CN102942783A - Composite material of polyamide (PA)6/recycled polyethylene glycol terephthalate (PET) bottle slices and preparation method thereof - Google Patents
Composite material of polyamide (PA)6/recycled polyethylene glycol terephthalate (PET) bottle slices and preparation method thereof Download PDFInfo
- Publication number
- CN102942783A CN102942783A CN2012104934213A CN201210493421A CN102942783A CN 102942783 A CN102942783 A CN 102942783A CN 2012104934213 A CN2012104934213 A CN 2012104934213A CN 201210493421 A CN201210493421 A CN 201210493421A CN 102942783 A CN102942783 A CN 102942783A
- Authority
- CN
- China
- Prior art keywords
- recycled pet
- pet bottles
- temperature
- bottles sheet
- district
- 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.)
- Granted
Links
- 0 C*C(C)C(CC1)*1N(C)C Chemical compound C*C(C)C(CC1)*1N(C)C 0.000 description 1
Classifications
-
- B29C47/92—
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
The invention relates to a composite material of polyamide (PA)6/polyethylene glycol terephthalate (PET), in particular to the composite material of the PA6/recycled PET bottle slices and a preparation method thereof. The composite material comprises the components, by weight: 40-60 parts of the PA6, 10-30 parts of the recycled PET bottle slices, 25-35 parts of non-alkali glass fibers, 1-10 parts of compatilizer, 0.1-1 part of antioxygen and 0.1-1 part of lubricant. By means of the composite material of the PA6/recycled PET bottle slices, the application range of the recycled PET bottle slices is expanded, and cost of the PA6 composite material is reduced. In addition, the composite material is environment-friendly, low in carbon, capable of being widely applied to preparation of mechanical parts and the like and good in mechanical property, and the tensile strength of the composite material can reach 150MPa. The preparation method of the composite material of the PA6/recycled PET bottle slices is simple in compound process and processing process, and the composite material of the PA6/recycled PET bottle slices can be easily prepared.
Description
Technical field
The present invention relates to the matrix material of a kind of PA6/PET, specifically, relate to matrix material of a kind of PA6/ recycled PET bottles sheet and preparation method thereof.
Background technology
Polyethylene terephthalate (PET), not only because of the good and cheap price of the over-all propertieies such as its chemistry, physical properties except being widely used in the fiber applications, its usage quantity is also quite large in beverage bottle.Along with the widespread use of PET in edible liquid soft packaging field, brought the recovery problem of a large amount of waste and old beverage bottles.Along with the PET consumption increases gradually, the amount that the PET bottle reclaims also increases gradually.According to statistics, the average recovery utilization rate of PET bottle is 20.4%, and the country that recovery utilization rate is high such as Switzerland, Germany and Japanese philosophy are 100%, 49% and 46%, and China only is 1.7%.The PET bottle sheet major part that reclaims is " degradation utilizes ", is used for producing low-grade fiber, film and non-edible packing bottle etc.; And " upgrading utilizes " only accounting for about 8.4% as high performance engineering plastics.The bottle sheet of recycled PET is mainly used in the spinning of the staple fibre of some low-grade polyester (PET).So, for the bottle sheet of recycled PET, need to further expand field and the product of its application, improve its added value of product.
Nylon 6 is because it has higher intensity, the performance of excellence such as good wear resistance and be widely used in mechanical component, the preparation of electrical component, but limited owing to its price is higher it in the more application of wide spectrum.In nylon 6 material, add the PET bottle sheet that reclaims, not only reduced the cost of matrix material, and further expanded the purposes of the PET that reclaims.Consider the poor problem of consistency of the two, in the composite manufacture process, usually add a certain amount of compatilizer, but effect is often unsatisfactory.
The present invention has adopted the multipolymer of a kind of special PET-PA6 as compatilizer, namely nylon 6 had good consistency, again PET is had good consistency, be suitable as the compatilizer of this matrix material, effectively improved the performance of PA6/ recycled PET matrix material.
Summary of the invention
Primary goal of the invention of the present invention has been to propose a kind of matrix material of PA6/ recycled PET bottles sheet.
The second goal of the invention of the present invention is to propose this composite manufacture method.
In order to realize purpose of the present invention, the technical scheme of employing is:
The present invention relates to a kind of matrix material of PA6/ recycled PET bottles sheet, it consists of: nylon 6 40～60 weight parts, recycled PET bottles sheet 10～30 weight parts, alkali-free glass fiber 25～35 weight parts, compatilizer 1～10 weight part, oxidation inhibitor 0.1～1 weight part and lubricant 0.1～1 weight part; Be preferably: nylon 6 42～55 weight parts, recycled PET bottles sheet 10～25 weight parts, alkali free glass fibre 25～30 weight parts, compatilizer 1～5 weight part, oxidation inhibitor 0.1～0.5 weight part and lubricant 0.1～0.5 weight part; More preferably: nylon 6 42～48 weight parts, recycled PET bottles sheet 20～25 weight parts, alkali free glass fibre 25～30 weight parts, compatilizer 1.5～2.5 weight parts, oxidation inhibitor 0.1～0.25 weight part and lubricant 0.1～0.25 weight part.
The first optimal technical scheme of the present invention is, the solution solvent viscosity ratio of described nylon 6 is 2.5～2.7, preferred 2.6～2.7.
The second optimal technical scheme of the present invention is that described alkali free glass fibre is long fibre or short fiber, preferred short fiber; The diameter of described short fiber is 10～15 microns, preferred 12～14 microns, and more preferably 13 microns.
The 3rd optimal technical scheme of the present invention is, described compatilizer is the PET-PA6 multipolymer, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer.
This compatilizer adopts the synthetic acidic dyeable polyester of patent ZL2007101788799, and its preparation method is:
(1) be that the ratio of 1:2.2 joins in the reactor with dimethyl terephthalate (DMT) (DMT) and ethylene glycol in the ratio of amount of substance, carry out transesterification reaction under 170 ℃～260 ℃, the reaction times is 20～60 minutes; Or be that the ratio of 1:2.2 joins in the reactor with terephthalic acid (PTA) and ethylene glycol in the ratio of amount of substance, carry out esterification under 250～260 ℃, the reaction times is 20～60 minutes;
(2) after transesterification reaction or the esterification, adding mass percent is 0.03% polycondensation catalyst of total reactant quality, polycondensation catalyst is for containing the antimony type oxide, simultaneously, 5%～20% the polyamide polymer that adds mass ratio and be total reactant quality carries out copolyreaction, polymeric amide is nylon 6 and/or nylon 66, when temperature reaches 180～250 ℃, pumping high vacuum keeps vacuum tightness between 30～70Pa, continues to be warmed up to 260～265 ℃, reacted 2-4 hour, intrinsic viscosity reaches 0.72～0.78, and the acidic dyeable polyester fibre section is prepared in discharging.
The 4th optimal technical scheme of the present invention is, and is described for the intrinsic viscosity of recycled PET bottles sheet is 0.48～0.58dl/g, preferred 0.50～0.58dl/g.
The 5th optimal technical scheme of the present invention is that described oxidation inhibitor is antioxidant 1010 or oxidation inhibitor 1098.
The 6th optimal technical scheme of the present invention is, described lubricant is selected from least a in ethylene bis stearamide, calcium stearate, polyoxyethylene wax or the Zinic stearas.
The invention still further relates to a kind of composite manufacture method of PA6/ recycled PET bottles sheet, the method may further comprise the steps:
(1) recycled PET bottles sheet and nylon 6 are carried out drying;
(2) even with compatilizer, oxidation inhibitor and mix lubricant in proportion;
(3) the main spout by twin screw extruder adds in the twin screw extruder, when melt extruding, be metered into alkali-free glass fiber from the side drawing-in device and melt extrude, extruded material namely gets white PA6/ recycled PET bottles sheet matrix material after cooling, air-dry, pelletizing, drying.
The first optimal technical scheme of preparation method of the present invention is that in step (1), described drying is to carry out drying in vacuum drying oven; And further preferably be divided into two stages and carry out drying, wherein the fs is dry 3～5h under the condition of 75～80 ℃ of temperature, preferred 3.5～4.5h; Subordinate phase is dry 7～10h under the condition of 135～145 ℃ of temperature, preferred 8～9h.
The second optimal technical scheme of preparation method of the present invention is that in step (2), described mixing time is to mix 10～15 minutes.
Preparation method's of the present invention the 3rd optimal technical scheme is, the Temperature Setting scope of described twin screw extruder is 250～270 ℃, and screw speed is 200～500rpm, and vacuum tightness is-0.6～1.0Kgf/cm
2
Preparation method's of the present invention the 4th optimal technical scheme is that the temperature in each district of described twin screw extruder is:
One district's temperature: 210～225 ℃,
Two district's temperature: 240～250 ℃,
Three district's temperature: 255～264 ℃,
Four district's temperature: 265～269 ℃,
Five district's temperature: 270～275 ℃,
Six district's temperature: 270～275 ℃,
Seven district's temperature: 263～268 ℃.
The below makes further explanation technical scheme of the present invention.
The present invention proposes a kind of PA6/ recycled PET bottles sheet matrix material, not only realized the again high value added utilization of recycled PET bottles sheet, and enlarged the recycle scope of recycled PET bottles sheet material, reduced simultaneously the cost of nylon 6 composite material, further enlarged its Application Areas, this advanced composite material can be widely used in component of machine, electronic apparatus component, the preparation of sports equipment component.It consists of: nylon 6 40～60 weight parts, recycled PET bottles sheet 10～30 weight parts, alkali-free glass fiber 25～35 weight parts, compatilizer 1～10 weight part, oxidation inhibitor 0.1～1 weight part and lubricant 0.1～1 weight part; Be preferably: nylon 6 42～55 weight parts, recycled PET bottles sheet 10～25 weight parts, alkali free glass fibre 25～30 weight parts, compatilizer 1～5 weight part, oxidation inhibitor 0.1～0.5 weight part and lubricant 0.1～0.5 weight part; More preferably: nylon 6 42～48 weight parts, recycled PET bottles sheet 20～25 weight parts, alkali free glass fibre 25～30 weight parts, compatilizer 1.5～2.5 weight parts, oxidation inhibitor 0.1～0.25 weight part and lubricant 0.1～0.25 weight part.
Wherein, the solution solvent viscosity ratio of nylon 6 is 2.5～2.7, preferred 2.6～2.7.The intrinsic viscosity of recycled PET bottles sheet is 0.48～0.58dl/g, preferred 0.50～0.58dl/g.Alkali free glass fibre is long fibre or short fiber, preferred short fiber; The diameter of short fiber is less, and the performance of material is better, and the diameter of short fiber is 10～15 microns among the present invention, and preferred 12～14 microns, more preferably 13 microns.The diameter of short fiber has larger impact to dispersiveness and the mechanical property of matrix material, and selecting diameter among the present invention is not only good dispersity of the prepared matrix material of 10～15 microns short fiber, and its good mechanical performance.
Described oxidation inhibitor is antioxidant 1010 or oxidation inhibitor 1098, thereby guarantees processing characteristics and the appearance requirement of matrix material, adapts to different service requirementss.Described lubricant is selected from least a in ethylene bis stearamide, calcium stearate, polyoxyethylene wax or the Zinic stearas, and further preferred ethylene bis stearamide.
Compatilizer in this research invention adopts the synthetic acidic dyeable polyester of patent ZL2007101788799, thereby has solved the compatible problem of nylon 6 with PET, and has further increased the performance of matrix material.The structural unit that had both contained PET in this copolymer molecule structure, the structural unit that contains again nylon 6, therefore namely compatible with PET, compatible with nylon 6 again, be a kind of non-response type compatilizer, in nylon 6 and PET system, play and reduce both interfacial tensions, increase interfacial thickness, make System forming have the evenly Thermodynamically stable phase structure of micron-scale phase separation architectural feature of macroscopic view, so that matrix material keeps good mechanical property.
Matrix material of the present invention is a kind of novel low-carbon environment-friendly matrix material, can be widely used in component of machine, electronic apparatus component, the preparation of sports equipment component.Its tensile strength reaches 150～160MPa, and flexural strength can reach 240～250MPa, little with intensity (tensile strength reaches 150MPa, and flexural strength can the reach 240MPa) difference of pure glass glass fiber reinforced nylon 6.PA6/ recycled PET bottles sheet matrix material tensile strength such as the similar prescription that do not add compatilizer drops to 120MPa, and flexural strength drops to 210MPa, and material surface does not have the incompatible appearance of layering and peeling.
The invention still further relates to a kind of that nylon 6, recycled PET bottles sheet and certain proportion compatilizer, oxidation inhibitor, mix lubricant is evenly, added alkali-free glass fiber again, by twin screw extruder, a kind of method of PA6/ recycled PET bottles sheet is prepared in blend.The method compound process and the course of processing are simple, are easy to the processing preparation.By the white PA6/ recycled PET bottles sheet matrix material that the method is prepared, the cost of material is low, low-carbon (LC), and environmental protection, mechanical property is good, and application surface is extensive.
Compared with prior art, the present invention has following advantage:
(1) PA6/ recycled PET bottles sheet matrix material provided by the present invention has not only enlarged the range of application of recycled PET bottles sheet, and has reduced the cost of nylon 6 composite material, and matrix material environmental protection, low-carbon (LC) can be widely used in the preparations such as component of machine.
(2) PA6/ recycled PET bottles sheet matrix material provided by the present invention, mechanical property is good, and tensile strength reaches 150MPa, elongation at break 2.5%, flexural strength can reach 240MPa, and notched Izod impact strength can reach 11.5KJ/m
2, little with the mechanical property difference of pure glass fiber reinforced nylon 6 matrix material.
(3) PA6/ recycled PET bottles sheet composite material and preparation method thereof provided by the present invention, compound process and the course of processing are simple, are easy to the processing preparation.
The specific embodiment of the present invention only limits to further explain and explanation the present invention, not to Composition of contents restriction of the present invention.
Embodiment
Embodiment 1
A kind of PA6/ recycled PET bottles sheet matrix material, its composition is as shown in table 1:
Table 1: unit (kg)
| Nylon 6 | The recycled PET bottles sheet | Alkali free glass fibre | Compatilizer | Oxidation inhibitor | Lubricant |
| 42 | 15 | 25 | 5 | 0.25 | 0.35 |
Wherein, the solution solvent viscosity ratio of nylon 6 is 2.5;
The intrinsic viscosity of recycled PET bottles sheet is 0.48dl/g;
Alkali free glass fibre is for long fine;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
Oxidation inhibitor is antioxidant 1010;
Lubricant is calcium stearate.
Embodiment 2:
A kind of PA6/ recycled PET bottles sheet matrix material, its composition is as shown in table 2:
Table 2: unit (kg)
| Nylon 6 | The recycled PET bottles sheet | Alkali free glass fibre | Compatilizer | Oxidation inhibitor | Lubricant |
| 45 | 20 | 25 | 1.5 | 0.1 | 0.1 |
Wherein, the solution solvent viscosity ratio of nylon 6 is 2.6;
The intrinsic viscosity of recycled PET bottles sheet is 0.58dl/g;
Alkali free glass fibre is short fiber, and the diameter of short fiber is 13 microns;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
Oxidation inhibitor is oxidation inhibitor 1098;
Lubricant is polyoxyethylene wax.
Embodiment 3:
A kind of PA6/ recycled PET bottles sheet matrix material, its composition is as shown in table 3:
Table 3: unit (kg)
| Nylon 6 | The recycled PET bottles sheet | Alkali free glass fibre | Compatilizer | Oxidation inhibitor | Lubricant |
| 48 | 25 | 30 | 4 | 0.2 | 0.15 |
Wherein, the solution solvent viscosity ratio of nylon 6 is 2.7;
The intrinsic viscosity of recycled PET bottles sheet is 0.50dl/g;
Alkali free glass fibre is short fiber, and the diameter of short fiber is 10 microns;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
Oxidation inhibitor is antioxidant 1010;
Lubricant is Zinic stearas.
Embodiment 4:
A kind of PA6/ recycled PET bottles sheet matrix material, its composition is as shown in table 4:
Table 4: unit (kg)
| Nylon 6 | The recycled PET bottles sheet | Alkali free glass fibre | Compatilizer | Oxidation inhibitor | Lubricant |
| 55 | 28 | 30 | 2.5 | 0.25 | 0.25 |
Wherein, the solution solvent viscosity ratio of nylon 6 is 2.6;
The intrinsic viscosity of recycled PET bottles sheet is 0.55dl/g;
Alkali free glass fibre is short fiber, and the diameter of short fiber is 15 microns;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
Oxidation inhibitor is oxidation inhibitor 1098;
Lubricant is Zinic stearas.
Embodiment 5:
A kind of PA6/ recycled PET bottles sheet matrix material, its composition is as shown in table 5:
Table 5: unit (kg)
| Nylon 6 | The recycled PET bottles sheet | Alkali free glass fibre | Compatilizer | Oxidation inhibitor | Lubricant |
| 40 | 10 | 25 | 1 | 0.15 | 0.15 |
Wherein, the solution solvent viscosity ratio of nylon 6 is 2.65;
The intrinsic viscosity of recycled PET bottles sheet is 0.52dl/g;
Alkali free glass fibre is short fiber, and the diameter of short fiber is 14 microns;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
Described oxidation inhibitor is oxidation inhibitor 1098;
Lubricant is the mixture of calcium stearate and Zinic stearas, and its weight ratio is 2:1.
Embodiment 6:
A kind of PA6/ recycled PET bottles sheet matrix material, its composition is as shown in table 6:
Table 6: unit (kg)
| Nylon 6 | The recycled PET bottles sheet | Alkali free glass fibre | Compatilizer | Oxidation inhibitor | Lubricant |
| 60 | 30 | 35 | 10 | 0.5 | 0.5 |
Wherein, the solution solvent viscosity ratio of nylon 6 is 2.7;
The intrinsic viscosity of recycled PET bottles sheet is 0.57dl/g;
Alkali free glass fibre short fiber, the diameter of short fiber are 15 microns;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
Described oxidation inhibitor is oxidation inhibitor 1098;
Lubricant is the mixture in calcium stearate, polyoxyethylene wax, the Zinic stearas, and its weight ratio is 2:1:1.
Embodiment 7
The PA6/ recycled PET bottles sheet composite manufacture method of embodiment 1 ~ 3 prescription is:
1. recycled PET bottles sheet and nylon 6 are carried out drying; Described drying is to carry out drying in vacuum drying oven, is divided into two stages to carry out drying, and the fs is dry 3h under the condition of 80 ℃ of temperature; Subordinate phase is dry 7h under the condition of 145 ℃ of temperature;
2. even with compatilizer, oxidation inhibitor and mix lubricant in proportion, mixing time is to mix 10 minutes;
3. the main spout by twin screw extruder adds in the twin screw extruder, when melt extruding, be metered into alkali-free glass fiber from the side drawing-in device and melt extrude, extruded material namely gets white PA6/ recycled PET bottles sheet matrix material after cooling, air-dry, pelletizing, drying; The temperature in each district of described twin screw extruder is:
One district's temperature: 220 ℃,
Two district's temperature: 245 ℃,
Three district's temperature: 260 ℃,
Four district's temperature: 265 ℃,
Five district's temperature: 270 ℃,
Six district's temperature: 270 ℃,
Seven district's temperature: 265 ℃;
Screw speed is 500rpm, and vacuum tightness is-0.6Kgf/cm
2
The physicals of the alloy material for preparing is:
Table 7:
| Tensile strength (MPa) | Elongation at break (%) | Flexural strength (MPa) | Notched Izod impact strength (KJ/m 2) | |
| Embodiment 1 | 151 | 2.5 | 245 | 11.5 |
| Embodiment 2 | 152 | 2.6 | 248 | 11.6 |
| Embodiment 3 | 155 | 2.5 | 250 | 11.5 |
Embodiment 8
The PA6/ recycled PET bottles sheet composite manufacture method of embodiment 4 ~ 6 prescriptions is:
1. recycled PET bottles sheet and nylon 6 are carried out drying; Described drying is to carry out drying in vacuum drying oven, is divided into two stages to carry out drying, and the fs is dry 5h under the condition of 75 ℃ of temperature; Subordinate phase is dry 10h under the condition of 135 ℃ of temperature;
2. even with compatilizer, oxidation inhibitor and mix lubricant in proportion, mixing time is to mix 15 minutes;
3. the main spout by twin screw extruder adds in the twin screw extruder, when melt extruding, be metered into alkali-free glass fiber from the side drawing-in device and melt extrude, extruded material namely gets white PA6/ recycled PET bottles sheet matrix material after cooling, air-dry, pelletizing, drying;
One district's temperature: 220 ℃,
Two district's temperature: 245 ℃,
Three district's temperature: 260 ℃,
Four district's temperature: 265 ℃,
Five district's temperature: 270 ℃,
Six district's temperature: 270 ℃,
Seven district's temperature: 265 ℃;
Screw speed is 500rpm, and vacuum tightness is 1.0Kgf/cm
2
The physicals of the alloy material for preparing is:
Table 8:
| Tensile strength (MPa) | Elongation at break (%) | Flexural strength (MPa) | Notched Izod impact strength (KJ/m 2) | |
| Embodiment 4 | 153 | 2.7 | 245 | 11.6 |
| Embodiment 5 | 154 | 2.6 | 248 | 11.5 |
| Embodiment 6 | 156 | 2.5 | 247 | 11.5 |
| Embodiment 7 | 155 | 2.5 | 247 | 11.6 |
Embodiment 9
1. be 2.6 Nylon 6 48wt%, recycled PET bottles sheet 20wt% with solution solvent viscosity ratio, carry out drying; Described drying is to carry out drying in vacuum drying oven, is divided into two stages to carry out drying, and the fs is dry 4.5h under the condition of 80 ℃ of temperature; Subordinate phase is dry 9h under the condition of 145 ℃ of temperature;
2. with said mixture and compatilizer 1.5wt%, antioxidant 1010 0.25wt%, Lubricate EBS 0.25wt% mixes, and mixing time is to mix 15 minutes;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
3. the main spout by twin screw extruder adds in the twin screw extruder, when melt extruding, being metered into diameter from the side drawing-in device is that 13 microns alkali-free glass fiber staple fibre 30wt% melt extrude, extruded material namely gets white PA6/ recycled PET bottles sheet matrix material after cooling, air-dry, pelletizing, drying; The temperature in each district of described twin screw extruder is:
One district's temperature: 220 ℃,
Two district's temperature: 245 ℃,
Three district's temperature: 260 ℃,
Four district's temperature: 265 ℃,
Five district's temperature: 270 ℃,
Six district's temperature: 270 ℃,
Seven district's temperature: 265 ℃;
Screw speed is 400rpm, and vacuum tightness is-0.6Kgf/cm
2
The matrix material injection moulding can be 40 ℃ of moulding in die temperature, and the tensile strength of formed material reaches 152Mpa, and flexural strength reaches 245Mpa, elongation at break 2.6%, notched Izod impact strength 11.7KJ/m
2, surface luster is without peeling, without demixing phenomenon.
Embodiment 10
1. be 2.6 Nylon 6 42% with solution solvent viscosity ratio, the recycled PET bottles sheet: 25%, row is dry; Described drying is very
Carry out drying in the empty baking oven, being divided into two stages carries out drying, and the fs is dry 3.5h under the condition of 80 ℃ of temperature; Subordinate phase is dry 8h under the condition of 145 ℃ of temperature;
2. said mixture and compatilizer 2.5%, antioxidant 1010 0.25%, Lubricate EBS 0.25% are mixed mixing time 15 minutes;
Compatilizer is the PET-PA6 multipolymer, be to adopt the synthetic acidic dyeable polyester of patent ZL2007101788799, the content 10%～15% of nylon Unit 6 in the multipolymer wherein, and the sequence of its molecular chain is distributed as:
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer;
3. the main spout by twin screw extruder adds in the twin screw extruder, when melt extruding, being metered into diameter from the side drawing-in device is that 13 microns alkali-free glass fiber staple fibre 30wt% melt extrude, extruded material namely gets white PA6/ recycled PET bottles sheet matrix material after cooling, air-dry, pelletizing, drying; The temperature in each district of described twin screw extruder is:
One district's temperature: 220 ℃,
Two district's temperature: 245 ℃,
Three district's temperature: 260 ℃,
Four district's temperature: 265 ℃,
Five district's temperature: 270 ℃,
Six district's temperature: 270 ℃,
Seven district's temperature: 265 ℃;
Screw speed is 400rpm, and vacuum tightness is-0.6Kgf/cm
2
The matrix material injection moulding can be in 40 ℃ of moulding of die temperature, and the tensile strength of formed material reaches 150Mpa, and flexural strength reaches 242Mpa, elongation at break 2.5%, notched Izod impact strength 11.5KJ/m
2, surface luster is without peeling, without demixing phenomenon.
Claims (12)
1. the matrix material of a PA6/ recycled PET bottles sheet, it is characterized in that the consisting of of described matrix material: nylon 640～60 weight parts, recycled PET bottles sheet 10～30 weight parts, alkali-free glass fiber 25～35 weight parts, compatilizer 1～10 weight part, oxidation inhibitor 0.1～1 weight part and lubricant 0.1～1 weight part; Be preferably: nylon 642～55 weight parts, recycled PET bottles sheet 10～25 weight parts, alkali free glass fibre 25～30 weight parts, compatilizer 1～5 weight part, oxidation inhibitor 0.1～0.5 weight part and lubricant 0.1～0.5 weight part; More preferably: nylon 642～48 weight parts, recycled PET bottles sheet 20～25 weight parts, alkali free glass fibre 25～30 weight parts, compatilizer 1.5～2.5 weight parts, oxidation inhibitor 0.1～0.25 weight part and lubricant 0.1～0.25 weight part.
2. the matrix material of PA6/ recycled PET bottles sheet according to claim 1 is characterized in that, the solution solvent viscosity ratio of described nylon 6 is 2.5～2.7, preferred 2.6～2.7.
3. the matrix material of PA6/ recycled PET bottles sheet according to claim 1 is characterized in that, described alkali free glass fibre is long fibre or short fiber, preferred short fiber; The diameter of described short fiber is 10～15 microns, preferred 12～14 microns, and more preferably 13 microns.
4. the matrix material of PA6/ recycled PET bottles sheet according to claim 1 is characterized in that, described compatilizer is the PET-PA6 multipolymer, wherein the content 10%-15% of nylon Unit 6 in the multipolymer; The sequence of its molecular chain is distributed as
N, the scope of n` is: 1＜n＜176,1＜n`＜88; M, the value of m` is greater than 1, less than the ratio of the relative molecular weight of the relative molecular-weight average of acidic dyeable polyester and ethylene glycol terephthalate monomer.
5. the matrix material of PA6/ recycled PET bottles sheet according to claim 1 is characterized in that, the intrinsic viscosity of described recycled PET bottles sheet is 0.48～0.58dl/g, preferred 0.50～0.58dl/g.
6. the matrix material of PA6/ recycled PET bottles sheet according to claim 1 is characterized in that, described oxidation inhibitor is antioxidant 1010 or oxidation inhibitor 1098.
7. the matrix material of PA6/ recycled PET bottles sheet according to claim 1 is characterized in that, described lubricant is selected from least a in ethylene bis stearamide, calcium stearate, polyoxyethylene wax or the Zinic stearas.
8. the composite manufacture method of a PA6/ recycled PET bottles sheet as claimed in claim 1 is characterized in that, said method comprising the steps of:
(1) recycled PET bottles sheet and nylon 6 are carried out drying;
(2) even with compatilizer, oxidation inhibitor and mix lubricant in proportion;
(3) the main spout by twin screw extruder adds in the twin screw extruder, when melt extruding, be metered into alkali-free glass fiber from the side drawing-in device and melt extrude, extruded material namely gets white PA6/ recycled PET bottles sheet matrix material after cooling, air-dry, pelletizing, drying.
9. the composite manufacture method of PA6/ recycled PET bottles sheet according to claim 8 is characterized in that, in step (1), described drying is to carry out drying in vacuum drying oven; And further preferably be divided into two stages and carry out drying, wherein the fs is dry 3～5h under the condition of 75～80 ℃ of temperature, preferred 3.5～4.5h; Subordinate phase is dry 7～10h under the condition of 135～145 ℃ of temperature, preferred 8～9h.
10. the composite manufacture method of PA6/ recycled PET bottles sheet according to claim 8 is characterized in that, in step (2), described mixing time is to mix 10～15 minutes.
11. the composite manufacture method of PA6/ recycled PET bottles sheet according to claim 8 is characterized in that, the Temperature Setting scope of described twin screw extruder is 250～270 ℃, and screw speed is 200～500rpm, and vacuum tightness is-0.6～1.0Kgf/cm
2
12. the composite manufacture method of PA6/ recycled PET bottles sheet according to claim 8 is characterized in that, the temperature in each district of described twin screw extruder is:
One district's temperature: 210～225 ℃,
Two district's temperature: 240～250 ℃,
Three district's temperature: 255～264 ℃,
Four district's temperature: 265～269 ℃,
Five district's temperature: 270～275 ℃,
Six district's temperature: 270～275 ℃,
Seven district's temperature: 263～268 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493421.3A CN102942783B (en) | 2012-11-28 | 2012-11-28 | Composite material of polyamide (PA)6/recycled polyethylene glycol terephthalate (PET) bottle slices and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493421.3A CN102942783B (en) | 2012-11-28 | 2012-11-28 | Composite material of polyamide (PA)6/recycled polyethylene glycol terephthalate (PET) bottle slices and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102942783A true CN102942783A (en) | 2013-02-27 |
| CN102942783B CN102942783B (en) | 2014-09-17 |
Family
ID=47725786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210493421.3A Active CN102942783B (en) | 2012-11-28 | 2012-11-28 | Composite material of polyamide (PA)6/recycled polyethylene glycol terephthalate (PET) bottle slices and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102942783B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017764A (en) * | 2014-04-24 | 2015-11-04 | 上海奇彩塑胶原料有限公司 | Composite material of halogen-free flame-retardant reinforced PA66/recycled PET bottle-grade chips and preparation method thereof |
| CN110845711A (en) * | 2019-07-19 | 2020-02-28 | 江建明 | Control method and application of PET average sequence length in PET-PA6 |
| CN111154255A (en) * | 2019-12-23 | 2020-05-15 | 会通新材料股份有限公司 | Glass fiber reinforced PA6 material with low water absorption and stable size and preparation method thereof |
| CN114231023A (en) * | 2021-12-27 | 2022-03-25 | 中广核俊尔(浙江)新材料有限公司 | Low-cost, low-water-absorption and easy-to-mold PA/PET alloy material and preparation method thereof |
| CN114687006A (en) * | 2022-04-12 | 2022-07-01 | 雅香丽化妆用品（深圳）有限公司 | Quick-drying filament yarn, preparation method thereof and toothbrush |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1749314A (en) * | 2005-10-09 | 2006-03-22 | 华东理工大学 | PA/PET high molecule alloy material |
| CN101717562A (en) * | 2009-11-27 | 2010-06-02 | 北京航空航天大学 | Transparent high-barrier polyethylene glycol terephthalate composite material product |
| CN102229738A (en) * | 2011-05-17 | 2011-11-02 | 威海联桥新材料科技股份有限公司 | High glow-wire flame retardant reinforced PET/PA (polyethylene terephthalate/polyamide) alloy material and production method thereof |
-
2012
- 2012-11-28 CN CN201210493421.3A patent/CN102942783B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1749314A (en) * | 2005-10-09 | 2006-03-22 | 华东理工大学 | PA/PET high molecule alloy material |
| CN101717562A (en) * | 2009-11-27 | 2010-06-02 | 北京航空航天大学 | Transparent high-barrier polyethylene glycol terephthalate composite material product |
| CN102229738A (en) * | 2011-05-17 | 2011-11-02 | 威海联桥新材料科技股份有限公司 | High glow-wire flame retardant reinforced PET/PA (polyethylene terephthalate/polyamide) alloy material and production method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017764A (en) * | 2014-04-24 | 2015-11-04 | 上海奇彩塑胶原料有限公司 | Composite material of halogen-free flame-retardant reinforced PA66/recycled PET bottle-grade chips and preparation method thereof |
| CN110845711A (en) * | 2019-07-19 | 2020-02-28 | 江建明 | Control method and application of PET average sequence length in PET-PA6 |
| CN110845711B (en) * | 2019-07-19 | 2021-10-29 | 江建明 | Control method and application of PET average sequence length in PET-PA6 |
| CN111154255A (en) * | 2019-12-23 | 2020-05-15 | 会通新材料股份有限公司 | Glass fiber reinforced PA6 material with low water absorption and stable size and preparation method thereof |
| CN114231023A (en) * | 2021-12-27 | 2022-03-25 | 中广核俊尔(浙江)新材料有限公司 | Low-cost, low-water-absorption and easy-to-mold PA/PET alloy material and preparation method thereof |
| CN114231023B (en) * | 2021-12-27 | 2023-10-31 | 中广核俊尔(浙江)新材料有限公司 | Low-cost, low-water-absorption and easy-molding PA/PET alloy material and preparation method thereof |
| CN114687006A (en) * | 2022-04-12 | 2022-07-01 | 雅香丽化妆用品（深圳）有限公司 | Quick-drying filament yarn, preparation method thereof and toothbrush |
| CN114687006B (en) * | 2022-04-12 | 2023-02-14 | 雅香丽化妆用品（深圳）有限公司 | Quick-drying filament yarn, preparation method thereof and toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102942783B (en) | 2014-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100448930C (en) | Process of preparing engineering plastics with recovered polyethylene terephthalate | |
| CN102942783B (en) | Composite material of polyamide (PA)6/recycled polyethylene glycol terephthalate (PET) bottle slices and preparation method thereof | |
| CN102391628B (en) | Polylactic acid/ polyamide 11 alloy material | |
| CN101787184A (en) | Quickly crystallized polyester engineering plastic and preparation method thereof | |
| CN105237982B (en) | Glass fiber reinforcement regeneration PC composites and preparation method thereof | |
| CN102977453A (en) | Waste polypropylene and polyethylene glycol terephthalate composite used for weight packaging woven bag and ribbon-like filament preparation method thereof | |
| CN105462239A (en) | Glass fiber reinforced nylon material for rail and preparation method of glass fiber reinforced nylon material | |
| CN102719072A (en) | Glass fiber reinforced polycarbonate resin with high impact strength and preparation method of resin | |
| CN113462130A (en) | Polyester composition with high melt viscosity and preparation method thereof | |
| CN101143959B (en) | Polyformaldehyde composition and preparation method thereof | |
| CN104592730A (en) | Polylactic acid/polyester alloy and preparation method thereof | |
| CN104419128A (en) | Recycled PET (polybutylece terephthalate) alloy as and preparation method thereof | |
| CN102924916A (en) | PA/PETG (polyamide/polyethylene terephthalate glycol) composite material and preparation method thereof | |
| CN103435978A (en) | PET composite material and preparation method thereof | |
| CN105017764A (en) | Composite material of halogen-free flame-retardant reinforced PA66/recycled PET bottle-grade chips and preparation method thereof | |
| CN112961472B (en) | Modified polyethylene glycol furan dicarboxylate and preparation method and application thereof | |
| CN100349951C (en) | Solid phase polymerization process for preparing ethylene telephthalate and aromatic diamine copolymer | |
| CN104530678A (en) | Degradable high-flowability PC/PLA alloy material and preparation method thereof | |
| CN106939112B (en) | High-gloss HIPS/recycled PET bottle flake composite material and preparation method thereof | |
| KR100200168B1 (en) | Polyester resin composition for high elastic fiber and film | |
| CN111253728A (en) | Polycarbonate composition and preparation method thereof | |
| CN1872913A (en) | Method for preparing polycondensation reaction type reinforced thermoplastic resin in long fibres | |
| CN110951222A (en) | High-impact-resistance regenerated PET material and preparation method thereof | |
| CN105462055A (en) | Reinforced PP/recycled PET bottle flake alloy for vehicle fan wind wheels, and preparation method thereof | |
| CN104974463A (en) | High-glossiness heat-resistant ABS/PET (acrylonitrile-butadiene-styrene/polyethylene terephthalate) bottle chip composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |