CN107083022A - A kind of preparation method of shock absorbing foam plastic material - Google Patents
A kind of preparation method of shock absorbing foam plastic material Download PDFInfo
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- CN107083022A CN107083022A CN201710367268.2A CN201710367268A CN107083022A CN 107083022 A CN107083022 A CN 107083022A CN 201710367268 A CN201710367268 A CN 201710367268A CN 107083022 A CN107083022 A CN 107083022A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0092—Drying moulded articles or half products, e.g. preforms, during or after moulding or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/56—After-treatment of articles, e.g. for altering the shape
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a kind of preparation method of shock absorbing foam plastic material, the specific hollow glass micro-ball of the technology utilization carries out coupling reaction, the raw material such as epoxy resin, polyvinyl chloride, polyimides, diatomite, carbon black are made to condense together, the performance of composite is improved by compositions such as muffle furnace heating and calcining, addition defoamer, curing agent, toughener, then by obtaining composite plastics material after the sequence of operations such as casting mold, surface activation process, demoulding drying.The shock absorbing foam plastic material being prepared from, its buffering and damping effect is good, light weight is fire-retardant, good insulating, with preferable application prospect.The application as shock absorbing foam plastic material made from the preparation method in electronics industry potting compound, insulating materials, underwater units part and buoyant member is also disclosed simultaneously.
Description
Technical field
The present invention relates to this technical field of plastic material, a kind of preparation side of shock absorbing foam plastic material is related specifically to
Method.
Background technology
It, by hollow particle, filled polymer matrix and the composite being made, is a kind of new that syntactic foam, which is,
High intensity, low-density composite.With traditional foamed plastics during polymerisation or curing reaction physics or change
Foaming effect produces foaming structure difference, and its foaming structure is that the cavity inside hollow particle is constituted, and is adjusted so passing through
The density and addition for saving hollow particle are easier to control size and the distribution of bubble, the density and mechanical performance of material, with full
The different purposes of foot.Syntactic foam has the advantages that low-density, high intensity, can be used as heat-barrier material, high-strength light sandwich
Material, vibrationproof packaging material, floating material, aircraft sound-absorbing material etc.；Composite sandwich plate using it as core has lightweight, height
By force, impact resistance, resistance of crack propagation are good, the low advantage of water absorption rate, available for manufacture ship outer casing, aircraft product, amphibious
Tank floating drum, caisson, packing case etc.；With its light weight, dielectric properties and good stability of the dimension, it can be used as the filling of electronics industry
Envelope material and insulating materials, underwater units part and buoyant member.The imitation wood prepared using it as raw material and marble, with good
Machinability, cast material can be used as.Also act as the light-duty basis of verifying attachment.Because oil resistant, solvent resistant, size are steady
It is fixed, it can be used for a long time.As new and high technology is particularly continuing to develop for the high frontier by representative of Aero-Space, to compound vacuole
Performance, the purposes of foam plastics propose higher requirement.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of preparation method of shock absorbing foam plastic material, technique profit
Coupling reaction is carried out with specific hollow glass micro-ball, makes epoxy resin, polyvinyl chloride, polyimides, diatomite, carbon black etc.
Raw material are condensed together, and composite wood is improved by compositions such as muffle furnace heating and calcining, addition defoamer, curing agent, toughener
The performance of material, then by obtaining composite plastic material after the sequence of operations such as casting mold, surface activation process, demoulding drying
Material.The shock absorbing foam plastic material being prepared from, its buffering and damping effect is good, light weight is fire-retardant, good insulating, is answered with preferable
Use prospect.Also disclose simultaneously as shock absorbing foam plastic material made from the preparation method in electronics industry potting compound, insulation material
Application in material, underwater units part and buoyant member.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation method of shock absorbing foam plastic material, is comprised the steps of：
(1) glass powder and foaming agent are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, lasting insulation
Time 15-20 minute, natural cooling obtains hollow glass micro-ball, wherein injection rate is 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120
2h is dried in DEG C baking oven；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:4 mass ratio mixing wiring solution-forming, then adds 5-8 parts
Coupling agent, is placed on magnetic stirring apparatus and stirs 30-40 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into equipped with the container for drying hollow glass micro-ball, is stirred
Handled 60-80 minutes with ultrasonic excitation device later, the frequency of ultrasonic excitation device is 300Hz, then filters, is put into 120 DEG C of baking ovens
Middle drying 5h；
(5) by 8-20 parts of epoxy resin, 5-10 parts of polyvinyl chloride, 4-9 parts of polyimides, 5-8 parts of diatomite, carbon black 3-6
Add in Muffle furnace and calcine after part is well mixed, heating-up temperature to 60 DEG C of preheatings, while addition step (4) coupling agent treatment is crossed
Hollow glass micro-ball, after stirring, adds 2-3 parts of 1-4 parts of curing agent and toughener, temperature heating rises to 260-300 DEG C,
Reaction time 4-5h, then temperature naturally cool to 160 DEG C, add 1-3 parts of defoamer, insulation reaction 30min；
(6) reaction solution of step (5) is naturally cooled to 70-80 DEG C, 1-2 parts of curing agent is added again, after stirring,
It is poured into mould, cold curing 24h；
(7) mould of step (6) is put into surfactant and handled, soaked 30-60min, be then stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
Preferably, the one kind of the foaming agent in the step (1) in dichloromethane, acetone, isocyanates, pentamethylene
Or it is several.
Preferably, in the step (1) glass powder and the ratio of foaming agent is 11:3.
Preferably, coupling agent is selected from VTES, (the 'beta '-methoxy second of vinyl three in the step (3)
Epoxide) silane, γ-aminopropyl trimethoxysilane, the one or more in 3- aminopropyl trimethoxysilanes.
Preferably, the mass ratio of step (5) epoxy resin and hollow glass micro-ball is 4:1.
Preferably, curing agent is selected from ethylenediamine, diethylenetriamine, meta-xylene, diamino-diphenyl in the step (5)
One or more in sulfone
Preferably, toughener is selected from methyl methacrylate, styrene-butadiene, second in the step (5)
One or more in alkene-vinyl acetate co-polymer, acrylonitrile
Preferably, defoamer is selected from higher alcohols, benzyl carbinol oleate, Laurate alcohol ester phenylacetate, diformazan in the step (5)
One or more in base silicone oil.
Preferably, the composition of surfactant is 5 parts of sodium n-alkylbenzenesulfonate, fatty alcohol polyoxy in the step (7)
3 parts of ethene ether sodium sulfate, 2 parts of neopelex, 1 part of p toluene sulfonamalde formalde hyde resin, cumyl hydroperoxide 4
Part, 3 parts of terpinyl acetate, 2 parts of 1- phenyl cyclopentane-carboxylic acid, 3 parts of trichloroacetaldehyde, 15 parts of deionized water
Present invention also offers the shock absorbing foam plastic material obtained by above-mentioned preparation method electronics industry potting compound, absolutely
Application in edge material, underwater units part and buoyant member.
Compared with prior art, its advantage is the present invention：
(1) a kind of preparation method of shock absorbing foam plastic material of the invention is carried out using specific hollow glass micro-ball
Coupling reaction, makes the raw material such as epoxy resin, polyvinyl chloride, polyimides, diatomite, carbon black condense together, is boiled by horse
Stove heat calcining, addition defoamer, curing agent, the composition such as toughener improve the performance of composite, then by casting mold,
Composite plastics material is obtained after the sequence of operations such as surface activation process, demoulding drying.The shock absorbing foam plastics material being prepared from
Material, its buffering and damping effect is good, light weight is fire-retardant, good insulating, with preferable application prospect.
(2) shock absorbing foam plastic material raw material of the invention be easy to get, technique it is simple, used suitable for heavy industrialization, it is real
It is strong with property.
Embodiment
The technical scheme of invention is described in detail with reference to specific embodiment.
Embodiment 1
(1) glass powder and dichloromethane are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, lasting to protect
Warm 15 minutes time, natural cooling obtains hollow glass micro-ball, the wherein ratio of glass powder and foaming agent is 11:3, glass
The injection rate of powder is 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120
2h is dried in DEG C baking oven；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:The second of 4 mass ratio mixing wiring solution-forming, then 5 parts of addition
Alkenyl triethoxysilane, is placed on magnetic stirring apparatus and stirs 30 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into equipped with the container for drying hollow glass micro-ball, is stirred
Handled 60 minutes with ultrasonic excitation device later, the frequency of ultrasonic excitation device is 300Hz, is then filtered, and is put into 120 DEG C of baking ovens and dries
Dry 5h；
(5) after 8 parts of epoxy resin, 5 parts of polyvinyl chloride, 4 parts of polyimides, 5 parts of diatomite, 3 parts of carbon black being well mixed
Add in Muffle furnace and calcine, heating-up temperature to 60 DEG C of preheatings, while the hollow glass that addition step (4) coupling agent treatment is crossed is micro-
Ball, after stirring, adds 2 parts of 1 part of ethylenediamine and methyl methacrylate, temperature heating rises to 260 DEG C, reaction time
4h, then temperature naturally cool to 160 DEG C, add 1 part of higher alcohols, insulation reaction 30min, its epoxy resin and hollow glass
The mass ratio of microballoon is 4:1；
(6) reaction solution of step (5) is naturally cooled to 70 DEG C, 1 part of ethylenediamine is added again, after stirring, cast
Into mould, cold curing 24h；
(7) mould of step (6) is put into surfactant and handled, soaked 30min, be then stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
The performance test results of obtained shock absorbing foam plastic material are as shown in table 1.
Embodiment 2
(1) glass powder and acetone are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, when being persistently incubated
Between 17 minutes, natural cooling obtains hollow glass micro-ball, and wherein the ratio of glass powder and foaming agent is 11:3, glass powder
Injection rate be 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120
2h is dried in DEG C baking oven；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:The second of 4 mass ratio mixing wiring solution-forming, then 6 parts of addition
Alkenyl three ('beta '-methoxy ethyoxyl) silane, is placed on magnetic stirring apparatus and stirs 33 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into equipped with the container for drying hollow glass micro-ball, is stirred
Handled 65 minutes with ultrasonic excitation device later, the frequency of ultrasonic excitation device is 300Hz, is then filtered, and is put into 120 DEG C of baking ovens and dries
Dry 5h；
(5) after 12 parts of epoxy resin, 7 parts of polyvinyl chloride, 5 parts of polyimides, 6 parts of diatomite, 4 parts of carbon black being well mixed
Add in Muffle furnace and calcine, heating-up temperature to 60 DEG C of preheatings, while the hollow glass that addition step (4) coupling agent treatment is crossed is micro-
Ball, after stirring, adds 2 parts of 2 parts of diethylenetriamine and styrene-butadiene, temperature heating rises to 280 DEG C,
Reaction time 4.3h, then temperature naturally cool to 160 DEG C, add 2 parts of benzyl carbinol oleate, insulation reaction 30min, its middle ring
The mass ratio of oxygen tree fat and hollow glass micro-ball is 4:1；
(6) reaction solution of step (5) is naturally cooled to 72 DEG C, 1 part of diethylenetriamine is added again, after stirring,
It is poured into mould, cold curing 24h；
(7) mould of step (6) is put into surfactant and handled, soaked 40min, be then stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
The performance test results of obtained shock absorbing foam plastic material are as shown in table 1.
Embodiment 3
(1) glass powder and isocyanates are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, lasting to protect
Warm 18 minutes time, natural cooling obtains hollow glass micro-ball, the wherein ratio of glass powder and foaming agent is 11:3, glass
The injection rate of powder is 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120
2h is dried in DEG C baking oven；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:4 mass ratio mixing wiring solution-forming, then adds 7 parts
γ-aminopropyl trimethoxysilane, is placed on magnetic stirring apparatus and stirs 38 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into equipped with the container for drying hollow glass micro-ball, is stirred
Handled 75 minutes with ultrasonic excitation device later, the frequency of ultrasonic excitation device is 300Hz, is then filtered, and is put into 120 DEG C of baking ovens and dries
Dry 5h；
(5) after 16 parts of epoxy resin, 9 parts of polyvinyl chloride, 7 parts of polyimides, 7 parts of diatomite, 5 parts of carbon black being well mixed
Add in Muffle furnace and calcine, heating-up temperature to 60 DEG C of preheatings, while the hollow glass that addition step (4) coupling agent treatment is crossed is micro-
Ball, after stirring, adds 3 parts of 3 parts of meta-xylene and ethylene-vinyl acetate copolymer, temperature heating rises to 290 DEG C,
Reaction time 4.7h, then temperature naturally cool to 160 DEG C, add 2 parts of Laurate alcohol ester phenylacetate, insulation reaction 30min, wherein
The mass ratio of epoxy resin and hollow glass micro-ball is 4:1；
(6) reaction solution of step (5) is naturally cooled to 76 DEG C, 2 parts of meta-xylene is added again, after stirring, is poured
Note in mould, cold curing 24h；
(7) mould of step (6) is put into surfactant and handled, soaked 50min, be then stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
The performance test results of obtained shock absorbing foam plastic material are as shown in table 1.
Embodiment 4
(1) glass powder and pentamethylene are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, lasting insulation
20 minutes time, natural cooling obtains hollow glass micro-ball, the wherein ratio of glass powder and foaming agent is 11:3, glass dust
The injection rate at end is 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120
2h is dried in DEG C baking oven；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:The 3- of 4 mass ratio mixing wiring solution-forming, then 8 parts of addition
Aminopropyl trimethoxysilane, is placed on magnetic stirring apparatus and stirs 40 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into equipped with the container for drying hollow glass micro-ball, is stirred
Handled 80 minutes with ultrasonic excitation device later, the frequency of ultrasonic excitation device is 300Hz, is then filtered, and is put into 120 DEG C of baking ovens and dries
Dry 5h；
(5) 20 parts of epoxy resin, 10 parts of polyvinyl chloride, 9 parts of polyimides, 8 parts of diatomite, 6 parts of carbon black are well mixed
Add in Muffle furnace and calcine afterwards, heating-up temperature to 60 DEG C of preheatings, while the hollow glass that addition step (4) coupling agent treatment is crossed is micro-
Ball, after stirring, adds 3 parts of 4 parts of diamino diphenyl sulfone and acrylonitrile, temperature heating rises to 300 DEG C, reaction time
5h, then temperature naturally cool to 160 DEG C, add 3 parts of dimethicone, insulation reaction 30min, its epoxy resin and hollow
The mass ratio of glass microsphere is 4:1；
(6) reaction solution of step (5) is naturally cooled to 80 DEG C, 2 parts of diamino diphenyl sulfone is added again, is stirred
Afterwards, it is poured into mould, cold curing 24h；
(7) mould of step (6) is put into surfactant and handled, soaked 60min, be then stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
The performance test results of obtained shock absorbing foam plastic material are as shown in table 1.
Comparative example 1
(1) glass powder and dichloromethane are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, lasting to protect
Warm 15 minutes time, natural cooling obtains hollow glass micro-ball, the wherein ratio of glass powder and foaming agent is 11:3, glass
The injection rate of powder is 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120
2h is dried in DEG C baking oven；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:The second of 4 mass ratio mixing wiring solution-forming, then 5 parts of addition
Alkenyl triethoxysilane, is placed on magnetic stirring apparatus and stirs 30 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into equipped with the container for drying hollow glass micro-ball, is stirred
Handled 60 minutes with ultrasonic excitation device later, the frequency of ultrasonic excitation device is 300Hz, is then filtered, and is put into 120 DEG C of baking ovens and dries
Dry 5h；
(5) add in Muffle furnace and calcine after being well mixed 8 parts of epoxy resin, 4 parts of polyimides, 5 parts of diatomite, heating
Temperature is to 60 DEG C of preheatings, while adding the hollow glass micro-ball that step (4) coupling agent treatment is crossed, after stirring, adds second two
2 parts of 1 part of amine and methyl methacrylate, temperature heating rise to 260 DEG C, reaction time 4h, and then temperature naturally cools to 160
DEG C, add 1 part of higher alcohols, insulation reaction 30min, the mass ratio of its epoxy resin and hollow glass micro-ball is 4:1；
(6) reaction solution of step (5) is naturally cooled to 70 DEG C, 1 part of ethylenediamine is added again, after stirring, cast
Into mould, cold curing 24h；
(7) mould of step (6) is put into surfactant and handled, soaked 30min, be then stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
The performance test results of obtained shock absorbing foam plastic material are as shown in table 1.
Comparative example 2
(1) glass powder and pentamethylene are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, lasting insulation
20 minutes time, natural cooling obtains hollow glass micro-ball, the wherein ratio of glass powder and foaming agent is 11:3, glass dust
The injection rate at end is 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120
2h is dried in DEG C baking oven；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:The 3- of 4 mass ratio mixing wiring solution-forming, then 8 parts of addition
Aminopropyl trimethoxysilane, is placed on magnetic stirring apparatus and stirs 40 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into equipped with the container for drying hollow glass micro-ball, is stirred
Handled 80 minutes with ultrasonic excitation device later, the frequency of ultrasonic excitation device is 300Hz, is then filtered, and is put into 120 DEG C of baking ovens and dries
Dry 5h；
(5) 20 parts of epoxy resin, 10 parts of polyvinyl chloride, 9 parts of polyimides, 8 parts of diatomite, 6 parts of carbon black are well mixed
Add in Muffle furnace and calcine afterwards, heating-up temperature to 60 DEG C of preheatings, while the hollow glass that addition step (4) coupling agent treatment is crossed is micro-
Ball, after stirring, adds 3 parts of 4 parts of diamino diphenyl sulfone and acrylonitrile, temperature heating rises to 300 DEG C, reaction time
5h, then temperature naturally cool to 160 DEG C, add 3 parts of dimethicone, insulation reaction 30min, its epoxy resin and hollow
The mass ratio of glass microsphere is 4:1；
(6) reaction solution of step (5) is naturally cooled to 80 DEG C, 2 parts of diamino diphenyl sulfone is added again, is stirred
Afterwards, it is poured into mould, cold curing 24h；
(7) mould of step (6) is stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
The performance test results of obtained shock absorbing foam plastic material are as shown in table 1.
Embodiment 1-4 and comparative example 1-2 obtained shock absorbing foam plastic material is entered into line density, tensile elasticity mould respectively
Amount, this several performance tests of dielectric constant.
Table 1
| Density (g/cm3) | Tensile modulus of elasticity | Dielectric constant (F/m) | |
| Embodiment 1 | 0.8395 | 0.153 | 2.37 |
| Embodiment 2 | 0.7294 | 0.162 | 2.45 |
| Embodiment 3 | 0.7748 | 0.169 | 2.35 |
| Embodiment 4 | 0.8017 | 0.179 | 2.41 |
| Comparative example 1 | 1.1293 | 0.538 | 3.74 |
| Comparative example 2 | 1.8404 | 1.093 | 4.63 |
A kind of preparation method of shock absorbing foam plastic material of the present invention is carried out even using specific hollow glass micro-ball
Connection reaction, makes the raw material such as epoxy resin, polyvinyl chloride, polyimides, diatomite, carbon black condense together, passes through muffle furnace
The compositions such as heating and calcining, addition defoamer, curing agent, toughener improve the performance of composite, then pass through casting mold, table
Composite plastics material is obtained after the sequence of operations such as face activation process, demoulding drying.The shock absorbing foam plastic material being prepared from,
Its buffering and damping effect is good, light weight is fire-retardant, good insulating, with preferable application prospect.The shock absorbing foam plastics material of the present invention
Material raw material is easy to get, technique is simple, is used suitable for heavy industrialization, practical.
Claims (10)
1. a kind of preparation method of shock absorbing foam plastic material, it is characterised in that comprise the steps of：
(1) glass powder and foaming agent are injected to heating response in high temperature furnace, heating-up temperature is 950 DEG C, continues soaking time
15-20 minutes, natural cooling obtained hollow glass micro-ball, wherein injection rate is 5g/sec；
(2) with the hollow glass micro-ball in washes of absolute alcohol step (1), it is placed in fume hood and dries up, be then placed in 120 DEG C of bakings
2h is dried in case；
(3) by absolute ethyl alcohol：Glacial acetic acid：Water is according to 11:2:The coupling of 4 mass ratio mixing wiring solution-forming, then 5-8 parts of addition
Agent, is placed on magnetic stirring apparatus and stirs 30-40 minutes, form coupling agent solution；
(4) coupling agent solution for obtaining step (3) is poured into the container equipped with dry hollow glass micro-ball, after stirring
Handled 60-80 minutes with ultrasonic excitation device, the frequency of ultrasonic excitation device is 300Hz, is then filtered, and is put into 120 DEG C of baking ovens and dries
Dry 5h；
(5) 8-20 parts of epoxy resin, 5-10 parts of polyvinyl chloride, 4-9 parts of polyimides, 5-8 parts of diatomite, 3-6 parts of carbon black are mixed
Close it is uniform after add in Muffle furnace and calcine, heating-up temperature is to 60 DEG C of preheatings, while add that step (4) coupling agent treatment crosses is hollow
Glass microsphere, after stirring, adds 2-3 parts of 1-4 parts of curing agent and toughener, temperature heating rises to 260-300 DEG C, reaction
Time 4-5h, then temperature naturally cool to 160 DEG C, add 1-3 parts of defoamer, insulation reaction 30min；
(6) reaction solution of step (5) is naturally cooled to 70-80 DEG C, 1-2 parts of curing agent is added again, after stirring, cast
Into mould, cold curing 24h；
(7) mould of step (6) is put into surfactant and handled, soaked 30-60min, be then stripped；
(8) release materials of step (7) are put into carbon dioxide drying case and dried, got product.
2. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (1)
One or more of the foaming agent in dichloromethane, acetone, isocyanates, pentamethylene.
3. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (1)
Glass powder and foaming agent ratio be 11:3.
4. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (3)
Coupling agent is selected from VTES, vinyl three ('beta '-methoxy ethyoxyl) silane, γ-aminopropyl trimethoxy
One or more in silane, 3- aminopropyl trimethoxysilanes.
5. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (5)
The mass ratio of epoxy resin and hollow glass micro-ball is 4:1.
6. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (5)
One or more of the curing agent in ethylenediamine, diethylenetriamine, meta-xylene, diamino diphenyl sulfone.
7. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (5)
Toughener is in methyl methacrylate, styrene-butadiene, ethylene-vinyl acetate copolymer, acrylonitrile
It is one or more of.
8. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (5)
One or more of the defoamer in higher alcohols, benzyl carbinol oleate, Laurate alcohol ester phenylacetate, dimethicone.
9. the preparation method of shock absorbing foam plastic material according to claim 1, it is characterised in that in the step (7)
The composition of surfactant is 5 parts of sodium n-alkylbenzenesulfonate, 3 parts of sodium sulfate of polyethenoxy ether of fatty alcohol, detergent alkylate sulphur
Sour 2 parts of sodium, 1 part of p toluene sulfonamalde formalde hyde resin, 4 parts of cumyl hydroperoxide, 3 parts of terpinyl acetate, 1- benzyl rings penta
2 parts of alkane carboxylic acid, 3 parts of trichloroacetaldehyde, 15 parts of deionized water.
10. the shock absorbing foam plastic material obtained according to any one of the claim 1-9 preparation methods is in electronics industry embedding
Application in material, insulating materials, underwater units part and buoyant member.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112870772A (en) * | 2021-01-14 | 2021-06-01 | 江苏赛欧信越消泡剂有限公司 | Acid-resistant defoaming agent and preparation method thereof |
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