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CN115503296A - Wear-resistant polyurethane luggage case carpet and preparation method thereof - Google Patents

Wear-resistant polyurethane luggage case carpet and preparation method thereof Download PDF

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Publication number
CN115503296A
CN115503296A CN202211353868.0A CN202211353868A CN115503296A CN 115503296 A CN115503296 A CN 115503296A CN 202211353868 A CN202211353868 A CN 202211353868A CN 115503296 A CN115503296 A CN 115503296A
Authority
CN
China
Prior art keywords
carpet
acrylate
woven fabric
needled
pretreated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211353868.0A
Other languages
Chinese (zh)
Inventor
刘希浪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu New Changtai Automobile Interior Technology Co ltd
Original Assignee
Changshu New Changtai Automobile Interior Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changshu New Changtai Automobile Interior Technology Co ltd filed Critical Changshu New Changtai Automobile Interior Technology Co ltd
Priority to CN202211353868.0A priority Critical patent/CN115503296A/en
Publication of CN115503296A publication Critical patent/CN115503296A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
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    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
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    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
    • B60N3/04—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets
    • B60N3/042—Arrangements or adaptations of other passenger fittings, not otherwise provided for of floor mats or carpets of carpets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/01—Liners for load platforms or load compartments
    • B60R13/011—Liners for load platforms or load compartments for internal load compartments, e.g. car trunks
    • C—CHEMISTRY; METALLURGY
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    • C08J9/36—After-treatment
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    • C08J9/42—Impregnation with macromolecular compounds
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    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
    • D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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    • D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
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    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Microbiology (AREA)
  • Transportation (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

The invention discloses a wear-resistant polyurethane trunk carpet and a preparation method thereof, the scheme is designed into a multilayer composite carpet, wherein the uppermost layer of the carpet is a needled face carpet which is used as a decorative layer, the material of the needled face carpet can be selected according to the requirement in actual processing, and the needled face carpet can be replaced by a tufted face carpet according to the requirement; the polyethylene rubber plate is arranged below the needled carpet, and serves as a framework layer, so that the carpet can be kept stiff and smooth and is not easy to deform, and the mechanical property of the carpet can be ensured due to the design of the polyethylene rubber plate; the non-woven fabric is designed below the polyethylene rubber plate and serves as a spacing layer, the other side of the non-woven fabric is foamed to form a polyurethane foaming layer, and the polyurethane foaming layer serves as a sound insulation layer, so that the sound insulation effect of the carpet can be guaranteed; the bottom layer is a polyethylene protective film which has excellent strength and wear resistance and can protect the polyurethane foaming layer.

Description

Wear-resistant polyurethane luggage case carpet and preparation method thereof
Technical Field
The invention relates to the technical field of carpets, in particular to a wear-resistant polyurethane trunk carpet and a preparation method thereof.
Background
Automobile trunk carpet is the important component of automotive interior, and the performance requirement of present consumer to trunk carpet is more and more high, not only expects that trunk carpet can increase the luxurious sense and the comfort of car, but also requires that trunk carpet has excellent fire-retardant, syllable-dividing, antiskid, performance such as durable, also has certain requirement to the antibacterial property of carpet, and on the market now, trunk carpet's performance can't satisfy consumer's demand.
Based on the situation, the application discloses a wear-resistant polyurethane trunk carpet and a preparation method thereof, so as to prepare a trunk carpet with excellent flame retardant and antibacterial properties.
Disclosure of Invention
The invention aims to provide a wear-resistant polyurethane trunk carpet and a preparation method thereof, so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme:
a preparation method of a wear-resistant polyurethane trunk carpet comprises the following steps:
(1) Respectively putting the needled carpet, the non-woven fabric and the protective film into the flame-retardant impregnating solution for impregnation for 1-2 h, taking out the materials, and then carrying out vacuum drying to respectively obtain a pretreated needled carpet, a pretreated non-woven fabric and a pretreated protective film; the flame-retardant impregnating solution is acrylate copolymer emulsion containing sulfydryl;
taking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric, sequentially stacking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric from top to bottom, and compounding to form a carpet piece;
(2) Uniformly mixing polyester polyol, polyether polyol, a chain extender, a foaming agent, triethanolamine and a foam stabilizer at the temperature of 30-40 ℃ to obtain a material A; mixing diphenylmethane diisocyanate and toluene diisocyanate to obtain a material B;
mixing the material A and the material B, and uniformly stirring to form a foaming material; adsorbing the carpet piece into a foaming mould, injecting a foaming material for foaming, demoulding, foaming on one side of the non-woven fabric of the carpet piece to form a polyurethane foaming layer, and compounding a pretreatment protective film on the surface of the polyurethane foaming layer to form a carpet matrix;
(3) Mixing 3-allyl-5,5-dimethylhydantoin, vinyl-terminated polydimethylsiloxane and acetone, adding benzoin dimethyl ether, and uniformly stirring in a dark place to obtain an antibacterial impregnation liquid;
transferring the carpet matrix into an antibacterial dipping solution for dipping, carrying out ultraviolet irradiation for 10-15 min, taking out, washing with ethanol and deionized water in sequence, and carrying out vacuum drying to obtain a finished product.
According to an optimized scheme, in the step (2), the contents of all components are as follows: by mass, 10-20 parts of polyester polyol, 70-80 parts of polyether polyol, 20-30 parts of diphenylmethane diisocyanate, 20-30 parts of toluene diisocyanate, 5-10 parts of chain extender, 3-4 parts of foaming agent, 0.5-1 part of triethanolamine and 4-6 parts of foam stabilizer.
In an optimized scheme, the chain extender is any one of 1,4-butanediol, glycerol and propylene glycol; the foaming agent is water; the foam stabilizer is hydroxy silicone oil.
In an optimized scheme, the non-woven fabric is PET non-woven fabric, and the gram weight is 80-100 g/m 2 The thickness is 1-2 mm; the gram weight of the needled face blanket is 400-600 g/m 2 The thickness is 8-10 mm; the density of the polyurethane foaming layer is 40-50 kg/m 3 The thickness is 30-40 mm; the density of the polyethylene rubber plate is 3-4 kg/m 3 The thickness is 2-3 mm; the protective film is a polyethylene film.
According to an optimized scheme, in the step (1), the preparation method of the flame-retardant impregnating solution comprises the following steps:
s1: taking 3-mercaptopropionic acid, pentaerythritol and p-toluenesulfonic acid, uniformly mixing, heating to 85-95 ℃, reacting for 5-6 h, collecting a product after the reaction is finished, washing with deionized water, and performing reduced pressure distillation to remove water to obtain pentaerythritol ester;
s2: mixing pentaerythritol ester, hydroxyethyl acrylate, sodium hydroxide and hexachlorocyclotriphosphazene, adding tetrahydrofuran, heating in an oil bath to 90-100 ℃, carrying out reflux stirring reaction for 8-12 h, standing and cooling after reaction, carrying out suction filtration to collect a product, washing with ethanol and deionized water in sequence, and carrying out vacuum drying to obtain a phosphazene flame retardant monomer;
s3: taking an acrylate monomer, a phosphazene flame retardant monomer, sodium dodecyl sulfate and deionized water, shearing and emulsifying for 20-30 min, heating to 80-90 ℃, adding potassium persulfate, reacting for 2-3 h, adding graphene oxide, and stirring to react for 30-40min to obtain a flame retardant impregnation liquid; the acrylate monomers include methyl acrylate, butyl acrylate, trifluoroethyl methacrylate, and hydroxyethyl acrylate.
In an optimized scheme, in step S3, the mass ratio of the methyl acrylate, the butyl acrylate, the trifluoroethyl methacrylate and the hydroxyethyl acrylate is 6:6:3:2; the mass ratio of the acrylate monomer to the phosphazene flame-retardant monomer to the deionized water is 6:3:7; the dosage of the sodium dodecyl sulfate is 3-5 wt% of the total amount of the acrylate monomer and the phosphazene flame retardant monomer; the amount of the potassium persulfate is 2-3 wt% of the total amount of the acrylate monomer and the phosphazene flame-retardant monomer.
In an optimized scheme, in step S1, the molar ratio of the 3-mercaptopropionic acid to pentaerythritol is 1: (2-3); in the step S2, the mole ratio of the pentaerythritol ester, the hexachlorocyclotriphosphazene and the hydroxyethyl acrylate is 1:2: (6-7).
In the optimized scheme, in the step (3), the mass ratio of the 3-allyl-5,5-dimethylhydantoin to the vinyl-terminated polydimethylsiloxane is 3:2; the dosage of the benzoin dimethyl ether is 2-3 wt% of 3-allyl-5,5-dimethyl hydantoin.
According to an optimized scheme, the luggage carpet is prepared by the preparation method of the wear-resistant polyurethane luggage carpet.
Compared with the prior art, the invention has the following beneficial effects:
the invention discloses a wear-resistant polyurethane trunk carpet and a preparation method thereof, the scheme is designed into a multilayer composite carpet, wherein the uppermost layer of the carpet is a needled face carpet which is used as a decorative layer, the material of the needled face carpet can be actually selected according to the requirement, and the needled face carpet can be replaced by a tufted face carpet according to the requirement; the polyethylene rubber plate is arranged below the needled carpet, and serves as a framework layer, so that the carpet can be kept stiff and smooth and is not easy to deform, and the mechanical property of the carpet can be ensured due to the design of the polyethylene rubber plate; the non-woven fabric is designed below the polyethylene rubber plate and serves as a spacing layer, the other side of the non-woven fabric is foamed to form a polyurethane foaming layer, and the polyurethane foaming layer serves as a sound insulation layer, so that the sound insulation effect of the carpet can be guaranteed; the bottom layer is a polyethylene protective film which has excellent strength and wear resistance and can protect the polyurethane foaming layer.
On the basis of the scheme, in order to improve the antibacterial and flame retardant properties of the trunk carpet, the scheme improves the preparation process, and the needled carpet, the non-woven fabric and the protective film are respectively soaked in the flame retardant impregnation liquid for pretreatment to obtain a pretreated needled carpet, a pretreated non-woven fabric and a pretreated protective film; preparing a carpet matrix by sequentially pretreating the needled carpet, the polyethylene rubber plate, the non-woven fabric, the polyurethane foaming layer and the protective film, soaking the carpet matrix in an antibacterial dipping solution, and irradiating by ultraviolet, wherein the flame-retardant dipping solution is an acrylate copolymer emulsion containing sulfydryl, and the sulfydryl can react with double bonds in the antibacterial dipping solution under the condition of irradiation of ultraviolet light, so that the dipping effect of the antibacterial dipping solution is improved; the antibacterial dipping solution contains 3-allyl-5,5-dimethylhydantoin and vinyl-terminated polydimethylsiloxane, the 3-allyl-5,5-dimethylhydantoin has excellent antibacterial performance, and the vinyl-terminated polydimethylsiloxane can improve the hydrophobicity of the surface of the carpet, so that the obtained carpet has excellent antibacterial performance and excellent surface hydrophobicity.
In the scheme, in order to prepare the acrylate copolymerization emulsion containing the sulfydryl, the scheme firstly takes 3-mercaptopropionic acid and pentaerythritol to perform esterification reaction to generate pentaerythritol ester, wherein the molar ratio of the 3-mercaptopropionic acid to the pentaerythritol is defined as 1: (2-3) ", under which the hydroxyl group of pentaerythritol does not react completely, in which case the product pentaerythritol ester contains not only a mercapto group but also a residual hydroxyl group; reacting pentaerythritol ester, hydroxyethyl acrylate, hexachlorocyclotriphosphazene and other components to generate a phosphazene flame retardant monomer, wherein unreacted hydroxyl and hydroxyethyl acrylate in the pentaerythritol ester can be subjected to graft reaction with the hexachlorocyclotriphosphazene in the reaction process, and the introduction of the hexachlorocyclotriphosphazene can ensure the flame retardant property of the product; the grafting of the hydroxyethyl acrylate can improve the compatibility of the flame-retardant monomer and the subsequent acrylate copolymerization solution, and simultaneously, the flame-retardant monomer can participate in the acrylate copolymerization to ensure the impregnation effect of the flame-retardant impregnation solution.
Simultaneously, when preparing fire-retardant steeping liquor, the introduction of graphite oxide in the scheme, the introduction of graphite oxide can improve the surface abrasion resistance of non-woven fabrics, acupuncture face blanket and polyethylene film to improve the life of carpet, the practicality is better.
The application discloses wear-resisting polyurethane suitcase carpet and preparation method thereof, process design is reasonable, the component proportion is suitable, the carpet that obtains of preparation has multilayer composite construction, the existence on polyurethane foaming layer makes the carpet have better syllable-dividing effect, the carpet has excellent flame retardant property and antibacterial property simultaneously, stand wear and tear performance is better, the practicality is high.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following examples and comparative examples, the nonwoven fabric was a PET nonwoven fabric having a grammage of 100g/m 2 The thickness is 2mm; the gram weight of the needled face blanket is 500g/m 2 The thickness is 10mm; the density of the polyurethane foaming layer is 45kg/m 3 The thickness is 40mm; the density of the polyethylene rubber plate is 4kg/m 3 The thickness is 3mm; the protective film is a polyethylene film with the thickness of 300 mu m.
The chain extender is 1,4-butanediol; the foaming agent is water; the foam stabilizer is hydroxyl silicone oil. The vinyl terminated polydimethylsiloxane is purchased from carbofuran technologies ltd.
Example 1:
a preparation method of a wear-resistant polyurethane trunk carpet comprises the following steps:
(1) Respectively soaking the needled face blanket, the non-woven fabric and the protective film in flame-retardant soaking liquid for 1h, taking out, and then carrying out vacuum drying at 90 ℃ to respectively obtain a pretreated needled face blanket, a pretreated non-woven fabric and a pretreated protective film; the flame-retardant impregnating solution is acrylate copolymer emulsion containing sulfydryl; when the needled blanket, the non-woven fabric and the protective film are pretreated, the bath ratio is 1:10.
taking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric, sequentially stacking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric from top to bottom, and compounding to form a carpet piece;
(2) Taking 10 parts by mass of polyester polyol, 70 parts by mass of polyether polyol, 5 parts by mass of chain extender, 3 parts by mass of foaming agent, 0.5 part by mass of triethanolamine and 4 parts by mass of foam stabilizer, and uniformly mixing at 30 ℃ to obtain a material A; mixing 20 parts of diphenylmethane diisocyanate and 20 parts of toluene diisocyanate to obtain a material B;
mixing the material A and the material B, and uniformly stirring to form a foaming material; adsorbing the carpet sheet into a foaming mould, injecting a foaming material for foaming, demoulding, foaming at one side of the non-woven fabric of the carpet sheet to form a polyurethane foaming layer, and compounding a pretreatment protective film on the surface of the polyurethane foaming layer to form a carpet matrix;
(3) Mixing 3-allyl-5,5-dimethylhydantoin, vinyl-terminated polydimethylsiloxane and acetone to obtain a mixed solution, wherein the concentration of the mixed solution is 40g/L, adding benzoin dimethyl ether into the mixed solution, and uniformly stirring in a dark place to obtain an antibacterial impregnation solution; the mass ratio of the 3-allyl-5,5-dimethylhydantoin to the vinyl-terminated polydimethylsiloxane is 3:2; the dosage of the benzoin dimethyl ether is 3wt% of 3-allyl-5,5-dimethyl hydantoin.
Transferring the carpet substrate into an antibacterial dipping solution for dipping, wherein the bath ratio is 1:10; irradiating with 365nm ultraviolet for 10min, taking out, washing with ethanol and deionized water in sequence, and vacuum drying to obtain the final product.
Example 2:
a preparation method of a wear-resistant polyurethane trunk carpet comprises the following steps:
(1) Respectively soaking the needled face blanket, the non-woven fabric and the protective film in flame-retardant impregnation liquid for 1.5h, taking out, and then carrying out vacuum drying at 95 ℃ to respectively obtain a pretreated needled face blanket, a pretreated non-woven fabric and a pretreated protective film; the flame-retardant impregnating solution is acrylate copolymer emulsion containing sulfydryl; when the needled blanket, the non-woven fabric and the protective film are pretreated, the bath ratio is 1:10.
taking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric, sequentially stacking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric from top to bottom, and compounding to form a carpet piece;
(2) Taking 16 parts of polyester polyol, 75 parts of polyether polyol, 8 parts of chain extender, 3.5 parts of foaming agent, 0.8 part of triethanolamine and 5 parts of foam stabilizer by mass, and uniformly mixing at 35 ℃ to obtain a material A; mixing 25 parts of diphenylmethane diisocyanate and 25 parts of toluene diisocyanate to obtain a material B;
mixing the material A and the material B, and uniformly stirring to form a foaming material; adsorbing the carpet piece into a foaming mould, injecting a foaming material for foaming, demoulding, foaming on one side of the non-woven fabric of the carpet piece to form a polyurethane foaming layer, and compounding a pretreatment protective film on the surface of the polyurethane foaming layer to form a carpet matrix;
(3) Mixing 3-allyl-5,5-dimethylhydantoin, vinyl-terminated polydimethylsiloxane and acetone to obtain a mixed solution, wherein the concentration of the mixed solution is 40g/L, adding benzoin dimethyl ether into the mixed solution, and uniformly stirring in a dark place to obtain an antibacterial impregnation solution; the mass ratio of the 3-allyl-5,5-dimethylhydantoin to the vinyl-terminated polydimethylsiloxane is 3:2; the dosage of the benzoin dimethyl ether is 3wt% of 3-allyl-5,5-dimethyl hydantoin.
Transferring the carpet substrate into an antibacterial dipping solution for dipping, wherein the bath ratio is 1:10; irradiating with 365nm ultraviolet for 15min, taking out, washing with ethanol and deionized water in sequence, and vacuum drying to obtain the final product.
Example 3:
a preparation method of a wear-resistant polyurethane trunk carpet comprises the following steps:
(1) Respectively soaking the needled carpet, the non-woven fabric and the protective film in flame-retardant soaking liquid for 2 hours, taking out the materials, and then drying the materials in vacuum at 100 ℃ to respectively obtain a pretreated needled carpet, a pretreated non-woven fabric and a pretreated protective film; the flame-retardant impregnating solution is acrylate copolymer emulsion containing sulfydryl; when the needled blanket, the non-woven fabric and the protective film are pretreated, the bath ratio is 1:10.
taking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric, sequentially stacking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric from top to bottom, and compounding to form a carpet piece;
(2) Taking 20 parts by mass of polyester polyol, 80 parts by mass of polyether polyol, 10 parts by mass of chain extender, 4 parts by mass of foaming agent, 1 part by mass of triethanolamine and 6 parts by mass of foam stabilizer, and uniformly mixing at 40 ℃ to obtain a material A; mixing 30 parts of diphenylmethane diisocyanate and 30 parts of toluene diisocyanate to obtain a material B;
mixing the material A and the material B, and uniformly stirring to form a foaming material; adsorbing the carpet sheet into a foaming mould, injecting a foaming material for foaming, demoulding, foaming at one side of the non-woven fabric of the carpet sheet to form a polyurethane foaming layer, and compounding a pretreatment protective film on the surface of the polyurethane foaming layer to form a carpet matrix;
(3) Mixing 3-allyl-5,5-dimethylhydantoin, vinyl-terminated polydimethylsiloxane and acetone to obtain a mixed solution, wherein the concentration of the mixed solution is 40g/L, adding benzoin dimethyl ether into the mixed solution, and uniformly stirring in a dark place to obtain an antibacterial impregnation solution; the mass ratio of the 3-allyl-5,5-dimethylhydantoin to the vinyl-terminated polydimethylsiloxane is 3:2; the dosage of the benzoin dimethyl ether is 3wt% of 3-allyl-5,5-dimethyl hydantoin.
Transferring the carpet substrate into an antibacterial dipping solution for dipping, wherein the bath ratio is 1:10; irradiating with 365nm ultraviolet for 15min, taking out, washing with ethanol and deionized water in sequence, and vacuum drying to obtain the final product.
In the above examples 1 to 3, the preparation method of the flame-retardant impregnating solution was:
s1: taking 3-mercaptopropionic acid, pentaerythritol and p-toluenesulfonic acid, uniformly mixing, heating to 90 ℃, reacting for 5.5 hours, collecting a product after the reaction is finished, washing with deionized water, and performing reduced pressure distillation to remove water to obtain pentaerythritol ester; the molar ratio of the 3-mercaptopropionic acid to pentaerythritol is 1:3; the amount of the p-toluenesulfonic acid is 5wt% of pentaerythritol.
S2: mixing pentaerythritol ester, hydroxyethyl acrylate, sodium hydroxide and hexachlorocyclotriphosphazene, adding tetrahydrofuran, heating to 90 ℃ in an oil bath, carrying out reflux stirring reaction for 10 hours, standing and cooling after the reaction, carrying out suction filtration to collect a product, washing with ethanol and deionized water in sequence, and carrying out vacuum drying to obtain a phosphazene flame retardant monomer; the mole ratio of the pentaerythritol ester to the hexachlorocyclotriphosphazene to the hydroxyethyl acrylate is 1:2:7; the molar ratio of the sodium hydroxide to the pentaerythritol ester is 1:1.5.
s3: taking an acrylate monomer, a phosphazene flame-retardant monomer, sodium dodecyl sulfate and deionized water, shearing and emulsifying for 30min, heating to 90 ℃, adding potassium persulfate, reacting for 2h, adding graphene oxide, and stirring to react for 40min to obtain a flame-retardant impregnation liquid; the acrylate monomer comprises methyl acrylate, butyl acrylate, trifluoroethyl methacrylate and hydroxyethyl acrylate; the mass ratio of the methyl acrylate to the butyl acrylate to the trifluoroethyl methacrylate to the hydroxyethyl acrylate is 6:6:3:2.
the mass ratio of the acrylate monomer to the phosphazene flame-retardant monomer to the deionized water is 6:3:7; the dosage of the sodium dodecyl sulfate is 4wt% of the total amount of the acrylate monomer and the phosphazene flame retardant monomer; the amount of the potassium persulfate is 3wt% of the total amount of the acrylate monomer and the phosphazene flame-retardant monomer; the amount of the graphene oxide is 4wt% of the flame-retardant impregnating solution.
Example 4: example 4 the amount of each component of the flame retardant impregnating solution was adjusted in example 4 with the comparison of example 3, and the rest steps and parameters were identical.
In example 4, the preparation method of the flame-retardant impregnating solution comprises the following steps:
s1: uniformly mixing 3-mercaptopropionic acid, pentaerythritol and p-toluenesulfonic acid, heating to 95 ℃, reacting for 5 hours, collecting a product after the reaction is finished, washing with deionized water, and performing reduced pressure distillation to remove water to obtain pentaerythritol ester; the molar ratio of the 3-mercaptopropionic acid to pentaerythritol is 1:3; the amount of the p-toluenesulfonic acid is 5wt% of pentaerythritol.
S2: mixing pentaerythritol ester, hydroxyethyl acrylate, sodium hydroxide and hexachlorocyclotriphosphazene, adding tetrahydrofuran, heating in an oil bath to 100 ℃, refluxing and stirring for reaction for 12 hours, standing and cooling after reaction, performing suction filtration to collect a product, washing with ethanol and deionized water in sequence, and performing vacuum drying to obtain a phosphazene flame retardant monomer; the mole ratio of the pentaerythritol ester to the hexachlorocyclotriphosphazene to the hydroxyethyl acrylate is 1:2:7; the molar ratio of the sodium hydroxide to the pentaerythritol ester is 1:1.5.
s3: taking an acrylate monomer, a phosphazene flame-retardant monomer, sodium dodecyl sulfate and deionized water, shearing and emulsifying for 30min, heating to 90 ℃, adding potassium persulfate, reacting for 3h, adding graphene oxide, and stirring to react for 40min to obtain a flame-retardant impregnation liquid; the acrylate monomer comprises methyl acrylate, butyl acrylate, trifluoroethyl methacrylate and hydroxyethyl acrylate; the mass ratio of the methyl acrylate to the butyl acrylate to the trifluoroethyl methacrylate to the hydroxyethyl acrylate is 6:6:3:2.
the mass ratio of the acrylate monomer to the phosphazene flame-retardant monomer to the deionized water is 6:3:7; the dosage of the sodium dodecyl sulfate is 5wt% of the total amount of the acrylate monomer and the phosphazene flame retardant monomer; the amount of the potassium persulfate is 2wt% of the total amount of the acrylate monomer and the phosphazene flame-retardant monomer; the amount of the graphene oxide is 4wt% of the flame-retardant impregnating solution.
Comparative example 1: comparative example 1 is compared with example 3, no graphene oxide is introduced in comparative example 1, and the rest steps and parameters are consistent.
The specific adjusting steps are as follows: s3: taking an acrylate monomer, a phosphazene flame-retardant monomer, sodium dodecyl sulfate and deionized water, shearing and emulsifying for 30min, heating to 90 ℃, adding potassium persulfate, and reacting for 2h to obtain a flame-retardant impregnation liquid; the acrylate monomer comprises methyl acrylate, butyl acrylate, trifluoroethyl methacrylate and hydroxyethyl acrylate; the mass ratio of the methyl acrylate to the butyl acrylate to the trifluoroethyl methacrylate to the hydroxyethyl acrylate is 6:6:3:2.
the mass ratio of the acrylate monomer to the phosphazene flame-retardant monomer to the deionized water is 6:3:7; the dosage of the sodium dodecyl sulfate is 4wt% of the total amount of the acrylate monomer and the phosphazene flame retardant monomer; the using amount of the potassium persulfate is 3wt% of the total amount of the acrylate monomer and the phosphazene flame-retardant monomer.
Comparative example 2: comparative example 2 the procedure for preparing the flame retardant impregnation solution was adjusted in comparative example 2 with the control of example 3, and the remaining procedures and parameters were identical.
The specific adjusting steps are as follows: s1: taking 3-mercaptopropionic acid, pentaerythritol and p-toluenesulfonic acid, uniformly mixing, heating to 90 ℃, reacting for 5.5 hours, collecting a product after the reaction is finished, washing with deionized water, and performing reduced pressure distillation to remove water to obtain pentaerythritol ester; the molar ratio of the 3-mercaptopropionic acid to pentaerythritol is 1:4.5; the amount of the p-toluenesulfonic acid is 5wt% of pentaerythritol.
Comparative example 3: comparative example 3 was compared to example 3, and comparative example 3 did not incorporate hexachlorocyclotriphosphazene, with the remaining steps and parameters being identical.
The specific adjusting steps are as follows:
s2: mixing pentaerythritol ester, hydroxyethyl acrylate and sodium hydroxide, adding tetrahydrofuran, heating to 90 ℃ in an oil bath, carrying out reflux stirring reaction for 10 hours, standing and cooling after the reaction, carrying out suction filtration to collect a product, washing with ethanol and deionized water in sequence, and carrying out vacuum drying to obtain a monomer A; the mole ratio of the pentaerythritol ester to the hydroxyethyl acrylate is 1:7; the molar ratio of the sodium hydroxide to the pentaerythritol ester is 1:1.5.
s3: taking an acrylate monomer, a monomer A, sodium dodecyl sulfate and deionized water, shearing and emulsifying for 30min, heating to 90 ℃, adding potassium persulfate, reacting for 2h, adding graphene oxide, and stirring to react for 40min to obtain a flame-retardant impregnation liquid; the acrylate monomer comprises methyl acrylate, butyl acrylate, trifluoroethyl methacrylate and hydroxyethyl acrylate; the mass ratio of the methyl acrylate to the butyl acrylate to the trifluoroethyl methacrylate to the hydroxyethyl acrylate is 6:6:3:2.
the mass ratio of the acrylate monomer to the monomer A to the deionized water is 6:3:7; the dosage of the sodium dodecyl sulfate is 4wt% of the total amount of the acrylate monomer and the monomer A; the amount of the potassium persulfate is 3wt% of the total amount of the acrylate monomer and the monomer A; the amount of the graphene oxide is 4wt% of the flame-retardant impregnating solution.
Comparative example 4: comparative example 4 comparative example 3 was used, and comparative example 4 did not incorporate hydroxyethyl acrylate, and the remaining steps and parameters were identical.
The specific adjusting steps are as follows:
s2: mixing pentaerythritol ester, sodium hydroxide and hexachlorocyclotriphosphazene, adding tetrahydrofuran, heating to 90 ℃ in an oil bath, carrying out reflux stirring reaction for 10 hours, standing and cooling after the reaction, carrying out suction filtration to collect a product, washing with ethanol and deionized water in sequence, and carrying out vacuum drying to obtain a phosphazene flame retardant monomer; the mole ratio of the pentaerythritol ester to the hexachlorocyclotriphosphazene is 1:2; the molar ratio of the sodium hydroxide to the pentaerythritol ester is 1:1.5.
comparative example 5: comparative example 5 comparative example 3 was used as a control, and comparative example 5 was not impregnated with the antimicrobial impregnation solution, with the remaining steps and parameters being identical.
A preparation method of a wear-resistant polyurethane trunk carpet comprises the following steps:
(1) Respectively soaking the needled carpet, the non-woven fabric and the protective film in flame-retardant soaking liquid for 2 hours, taking out the materials, and then drying the materials in vacuum at 100 ℃ to respectively obtain a pretreated needled carpet, a pretreated non-woven fabric and a pretreated protective film; the flame-retardant impregnating solution is acrylate copolymer emulsion containing sulfydryl; when the needled blanket, the non-woven fabric and the protective film are pretreated, the bath ratio is 1:10.
taking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric, sequentially stacking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric from top to bottom, and compounding to form a carpet piece;
(2) Taking 20 parts by mass of polyester polyol, 80 parts by mass of polyether polyol, 10 parts by mass of chain extender, 4 parts by mass of foaming agent, 1 part by mass of triethanolamine and 6 parts by mass of foam stabilizer, and uniformly mixing at 40 ℃ to obtain a material A; mixing 30 parts of diphenylmethane diisocyanate and 30 parts of toluene diisocyanate to obtain a material B;
mixing the material A and the material B, and uniformly stirring to form a foaming material; adsorbing the carpet piece into a foaming mould, injecting a foaming material for foaming, demoulding, foaming on one side of the non-woven fabric of the carpet piece to form a polyurethane foaming layer, and compounding a pretreatment protective film on the surface of the polyurethane foaming layer to obtain a finished product.
Comparative example 6: comparative example 6 comparative example 3 was used as a control, and comparative example 6 was not impregnated with the flame retardant impregnation fluid, and the remaining steps and parameters were identical.
A preparation method of a wear-resistant polyurethane trunk carpet comprises the following steps:
(1) Taking the needled blanket, the polyethylene rubber plate and the non-woven fabric, stacking the needled blanket, the polyethylene rubber plate and the non-woven fabric in sequence from top to bottom, and compounding to form a carpet sheet;
(2) Taking 20 parts by mass of polyester polyol, 80 parts by mass of polyether polyol, 10 parts by mass of chain extender, 4 parts by mass of foaming agent, 1 part by mass of triethanolamine and 6 parts by mass of foam stabilizer, and uniformly mixing at 40 ℃ to obtain a material A; mixing 30 parts of diphenylmethane diisocyanate and 30 parts of toluene diisocyanate to obtain a material B;
mixing the material A and the material B, and uniformly stirring to form a foaming material; adsorbing the carpet sheet into a foaming mould, injecting a foaming material for foaming, demoulding, foaming at one side of the non-woven fabric of the carpet sheet to form a polyurethane foaming layer, and compounding a protective film on the surface of the polyurethane foaming layer to form a carpet matrix;
(3) Mixing 3-allyl-5,5-dimethylhydantoin, vinyl-terminated polydimethylsiloxane and acetone to obtain a mixed solution, wherein the concentration of the mixed solution is 40g/L, adding benzoin dimethyl ether into the mixed solution, and uniformly stirring in a dark place to obtain an antibacterial impregnation solution; the mass ratio of the 3-allyl-5,5-dimethylhydantoin to the vinyl-terminated polydimethylsiloxane is 3:2; the dosage of the benzoin dimethyl ether is 3wt% of 3-allyl-5,5-dimethyl hydantoin.
Transferring the carpet substrate into an antibacterial dipping solution for dipping, wherein the bath ratio is 1:10; irradiating with 365nm ultraviolet for 15min, taking out, washing with ethanol and deionized water in sequence, and vacuum drying to obtain the final product.
Detection experiment:
1. a sample of the luggage carpet prepared in examples 1 to 4 was prepared to have dimensions of 1200 mm. Times.600 mm. Times.50 mm, and was subjected to measurement of sound absorption coefficient and acoustic impedance in an acoustic impedance tube in accordance with GB/T18686.1-2004, part 1: the sound insulation effect of the carpet is tested by the method disclosed in the standing wave ratio method, and the detection data is recorded.
Figure BDA0003919478900000111
2. The trunk carpets prepared in examples 3 to 4 and comparative examples 1 to 6 were collected and subjected to evaluation of antibacterial properties of textiles according to GB/T20944.3-2008, part 3 of evaluation of antibacterial properties of textiles: the test method disclosed in the oscillation method detects the antibacterial performance of the carpet, and the test strain is escherichia coli.
3. The trunk carpets prepared in examples 3 to 4 and comparative examples 1 to 6 were tested on the polyethylene protective film side, and the water contact angle of the trunk carpet was measured, the water droplet size was controlled to 6 μ L during the test, and the test was performed five times at different positions of the polyethylene protective film, and the average value was calculated and recorded.
Item Example 3 Comparative example 1 Comparative example 2 Comparative example 3 Comparative example 4 Comparative example 5 Comparative example 6
Antibacterial rate 99.9％ 99.9％ 99.9％ 99.9％ 99.9％ 73.4％ 99.8％
Limiting oxygen index 32 31 24 23 30 31 22
Water contact angle 154° 153° 152° 152° 151° 128° 147°
And (4) conclusion: the carpet has the advantages that the process design is reasonable, the component proportion is proper, the prepared carpet has a multilayer composite structure, the existence of the polyurethane foaming layer enables the carpet to have a good sound insulation effect, meanwhile, the carpet has excellent flame retardant performance and antibacterial performance, the abrasion resistance is good, and the practicability is high.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A preparation method of a wear-resistant polyurethane trunk carpet is characterized by comprising the following steps: the method comprises the following steps:
(1) Respectively soaking the needled surface carpet, the non-woven fabric and the protective film in flame-retardant impregnation liquid for 1-2 h, taking out and then drying in vacuum to respectively obtain a pretreated needled surface carpet, a pretreated non-woven fabric and a pretreated protective film; the flame-retardant impregnating solution is acrylate copolymer emulsion containing sulfydryl;
taking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric, sequentially stacking the pretreated needled blanket, the polyethylene rubber plate and the pretreated non-woven fabric from top to bottom, and compounding to form a carpet piece;
(2) Uniformly mixing polyester polyol, polyether polyol, a chain extender, a foaming agent, triethanolamine and a foam stabilizer at the temperature of 30-40 ℃ to obtain a material A; mixing diphenylmethane diisocyanate and toluene diisocyanate to obtain a material B;
mixing the material A and the material B, and uniformly stirring to form a foaming material; adsorbing the carpet sheet into a foaming mould, injecting a foaming material for foaming, demoulding, foaming at one side of the non-woven fabric of the carpet sheet to form a polyurethane foaming layer, and compounding a pretreatment protective film on the surface of the polyurethane foaming layer to form a carpet matrix;
(3) Mixing 3-allyl-5,5-dimethylhydantoin, vinyl-terminated polydimethylsiloxane and acetone, adding benzoin dimethyl ether, and uniformly stirring in a dark place to obtain an antibacterial impregnation solution;
transferring the carpet matrix into an antibacterial dipping solution for dipping, carrying out ultraviolet irradiation for 10-15 min, taking out, washing with ethanol and deionized water in sequence, and carrying out vacuum drying to obtain a finished product.
2. The method of claim 1, wherein the method comprises the steps of: in the step (2), the contents of all components are as follows: by mass, 10-20 parts of polyester polyol, 70-80 parts of polyether polyol, 20-30 parts of diphenylmethane diisocyanate, 20-30 parts of toluene diisocyanate, 5-10 parts of chain extender, 3-4 parts of foaming agent, 0.5-1 part of triethanolamine and 4-6 parts of foam stabilizer.
3. The method of claim 2, wherein the wear-resistant polyurethane trunk carpet is prepared by the following steps: the chain extender is any one of 1,4-butanediol, glycerol and propylene glycol; the foaming agent is water; the foam stabilizer is hydroxyl silicone oil.
4. The method of claim 1, wherein the method comprises the steps of: the non-woven fabric is PET non-woven fabric, and the gram weight is 80-100 g/m 2 The thickness is 1-2 mm; the gram weight of the needled face blanket is 400-600 g/m 2 The thickness is 8-10 mm; the density of the polyurethane foaming layer is 40-50 kg/m 3 The thickness is 30-40 mm; the density of the polyethylene rubber plate is 3-4 kg/m 3 The thickness is 2-3 mm; the protective film is a polyethylene film.
5. The method of claim 1, wherein the method comprises the steps of: in the step (1), the preparation method of the flame-retardant impregnating solution comprises the following steps:
s1: taking 3-mercaptopropionic acid, pentaerythritol and p-toluenesulfonic acid, uniformly mixing, heating to 85-95 ℃, reacting for 5-6 h, collecting a product after the reaction is finished, washing with deionized water, and performing reduced pressure distillation to remove water to obtain pentaerythritol ester;
s2: mixing pentaerythritol ester, hydroxyethyl acrylate, sodium hydroxide and hexachlorocyclotriphosphazene, adding tetrahydrofuran, heating in an oil bath to 90-100 ℃, carrying out reflux stirring reaction for 8-12 h, standing and cooling after reaction, carrying out suction filtration to collect a product, washing with ethanol and deionized water in sequence, and carrying out vacuum drying to obtain a phosphazene flame retardant monomer;
s3: taking an acrylate monomer, a phosphazene flame retardant monomer, sodium dodecyl sulfate and deionized water, shearing and emulsifying for 20-30 min, heating to 80-90 ℃, adding potassium persulfate, reacting for 2-3 h, adding graphene oxide, and stirring to react for 30-40min to obtain a flame retardant impregnation liquid; the acrylate monomers include methyl acrylate, butyl acrylate, trifluoroethyl methacrylate, and hydroxyethyl acrylate.
6. The method for preparing the wear-resistant polyurethane trunk carpet as claimed in claim 5, wherein the method comprises the following steps: in the step S3, the mass ratio of the methyl acrylate, the butyl acrylate, the trifluoroethyl methacrylate and the hydroxyethyl acrylate is 6:6:3:2; the mass ratio of the acrylate monomer to the phosphazene flame-retardant monomer to the deionized water is 6:3:7; the dosage of the sodium dodecyl sulfate is 3-5 wt% of the total amount of the acrylate monomer and the phosphazene flame retardant monomer; the amount of the potassium persulfate is 2-3 wt% of the total amount of the acrylate monomer and the phosphazene flame-retardant monomer.
7. The method for preparing the wear-resistant polyurethane trunk carpet as claimed in claim 5, wherein the method comprises the following steps: in the step S1, the molar ratio of the 3-mercaptopropionic acid to pentaerythritol is 1: (2-3);
in the step S2, the mole ratio of the pentaerythritol ester to the hexachlorocyclotriphosphazene to the hydroxyethyl acrylate is 1:2: (6-7).
8. The method of claim 1, wherein the method comprises the steps of: in the step (3), the mass ratio of the 3-allyl-5,5-dimethylhydantoin to the vinyl-terminated polydimethylsiloxane is 3:2; the dosage of the benzoin dimethyl ether is 2-3 wt% of 3-allyl-5,5-dimethyl hydantoin.
9. The luggage carpet prepared by the method for preparing the wear-resistant polyurethane luggage carpet of any one of claims 1-8.
CN202211353868.0A 2022-11-01 2022-11-01 Wear-resistant polyurethane luggage case carpet and preparation method thereof Pending CN115503296A (en)

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