CN103073853A - Environmental-protection fire retardation enhancement PBT/PET/PA6 alloy and manufacturing method thereof - Google Patents
Environmental-protection fire retardation enhancement PBT/PET/PA6 alloy and manufacturing method thereof Download PDFInfo
- Publication number
- CN103073853A CN103073853A CN2012103002635A CN201210300263A CN103073853A CN 103073853 A CN103073853 A CN 103073853A CN 2012103002635 A CN2012103002635 A CN 2012103002635A CN 201210300263 A CN201210300263 A CN 201210300263A CN 103073853 A CN103073853 A CN 103073853A
- Authority
- CN
- China
- Prior art keywords
- pet
- district
- pbt
- alloy
- retardant
- 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
Classifications
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The present invention discloses an environmental-protection fire retardation enhancement PBT/PET/PA6 alloy and a manufacturing method thereof. The environmental-protection fire retardation enhancement PBT/PET/PA6 alloy comprises PBT, PET, PA6, a toughening compatibilizer, a compound fire retardation agent, a synergistic fire retardation agent, glass fibers, an antioxidant and a lubrication dispersing agent. The environmental-protection fire retardation enhancement PBT/PET/PA6 alloy has advantages of high glow wire temperature, low warping, excellent comprehensive performance, high performance-price ratio and the like, wherein a fire retardation performance of the environmental-protection fire retardation enhancement PBT/PET/PA6 alloy stably achieves the UL94-V0 fire retardation grade.
Description
Technical field
The present invention relates to polymeric material field, be specifically related to a kind of environment-friendly flame-retardant reinforced PBT/PET/PA6 Alloy And Preparation Method.
Background technology
Polybutylene terephthalate (PBT) is the thermoplastic polyester that 20 century 70s grow up, have that excellent machinery, electric, high temperature resistant, moisture-proof, resistance to chemical attack, electrical insulation capability are good, good elasticity, crystallization velocity be fast, good fluidity and be easy to the characteristics such as forming process, and in wide temperature range, can keep good mechanical property.Because the performance of PBT product uniqueness, that PBT engineering plastics and various alloy are widely used in is electric, home electric, automobile, machinery, instrument, light textile and the every field such as civilian, is a kind of indispensable type material.Along with the progress of science and technology and the development of industry, the application of material is also had higher requirement, require higher intensity, higher precision, flame retardant properties, environmental protection, low cost etc.And there are the shortcomings such as large, the easy warpage of molding shrinkage, notch shock sensitivity in PBT, and this has just driven the development of modified PBT material and PBT alloy.
Pet resin (PET) has good electrical property, mechanical property, resistance toheat and lower production cost, be widely used in the fields such as electronic apparatus, machinery, automobile component, the shortcomings such as but the PET resin exists, and crystallization velocity is slow, the moulded products shrinking percentage large, poor dimensional stability and matter own are crisp have seriously limited its application as engineering plastics.Present high performance to PET, be the focus of research, the method for improvement concentrates on that to add crystallization nucleating agent or crystallization promoter and glass fibre compound, or adds certain fire retardant, make glass REINFORCED PET or flame-retardant strengthening polythylene terephthalate (PET), the alloying of PET also is the emphasis of research in addition.
The PBT/PET alloy is both advantages comprehensively, improve the performance of material, and many researchs both at home and abroad is many at present.21 century is electric, the equipment such as household electrical appliances are to the high-performance micro development, requirement to flame-retardant reinforced PBT/PET alloy material is also more and more higher, simultaneously along with the understanding of the mankind to environmental protection, Green Product is subject to common concern, so it is following development trend that the environmental protection high-performance refractory strengthens the PBT/PET alloy, the fire-retardant compound system that some are traditional: such as glass fibre+TDE+antimonous oxide, glass fibre+brominated Polystyrene+compound systems such as antimonous oxide can't satisfy the requirement of high glow wire temperature, be not suitable for preparing capacitor case, load break switch, motor case, terminal strip etc.And the PBT/PET alloy still exists that heat-drawn wire is lower, shrinking percentage large, to shortcomings such as breach sensitivities, limited greatly the application of PBT/PET alloy, be necessary that therefore alloy proceeds research.
Polyamide 6 (PA6) is a kind of polymkeric substance of crystallization of excellent combination property, have the characteristics such as good toughness, chemicals-resistant, crystallization velocity be fast, for this reason, by in the PBT/PET alloy, adding the composite of PA6 and flame-retardant system, successfully prepared a kind of novel environment-friendly flame-retardant reinforced PBT/PET/PA alloy, have the stable flame retardant rating that reaches UL94-V0 of flame retardant properties, high glow wire temperature, low warpage, excellent combination property, cost performance advantages of higher.
Summary of the invention
The objective of the invention is and environmental protection flame retardant moderate for a kind of cost that solves in the prior art shortcoming in the PBT/PET alloy and propose, good stability of the dimension, rigidity, toughness, heat-drawn wire, environment-friendly flame-retardant reinforced PBT that glow wire temperature is higher/PET/PA alloy.
Another purpose of the present invention is to provide the preparation method of above-mentioned alloy.
Purpose of the present invention can realize by following technical scheme:
Above-mentioned environment-friendly flame-retardant reinforced PBT/PET/PA alloy, that component by following weight percent consists of: PBT:12-32%, PET:12-32%, PA6:0-8%, toughness reinforcing compatilizer: 3-8%, compound flame retardant: 10-20%, synergistic flame retardant: 3-5%, glass fibre: 20-30%, oxidation inhibitor: 0.1-1%, lubrication dispersing agent: 0.1-1%;
As a kind of preferred version, above-mentioned PBT is sticking in being, limiting viscosity is 1.000 ± 0.015dl/g; Above-mentioned PET is for low sticking, and limiting viscosity is 0.670 ± 0.015 dl/g; Above-mentioned PA6 is sticking in being, relative viscosity is 2.83 ± 0.07; Above-mentioned toughness reinforcing compatilizer is the Bifunctionalized vinyl elastomerics of acrylate and glycidyl ester.Described glass fibre is the alkali free glass fibre that processed through silane coupling agent on a kind of surface; Described compound flame redundant is mixed by brominated Polystyrene (BPS) 65wt%, melamine polyphosphates (MPP) 22wt%, three kinds of components of talcum powder 13wt%; Described synergistic flame retardant is mixed by component among sodium antimonate 35wt%, the zinc borate 65wt% two; Described oxidation inhibitor is Hinered phenols primary antioxidant 1010[β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, two kinds of compound compositions of oxidation inhibitor of synergistic oxidation inhibitor phosphoric acid ester irgasfos 168 three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester.Described a kind of environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy is characterized in that, described lubrication dispersing agent is take the TAF of ethylene bis-fatty acid amides (EBS) after basic modification.
The preparation method of a kind of environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy:
(1) raw material drying pre-treatment, the temperature of PBT, PET and PA6 drying is controlled at 110-120 ℃, and time of drying is more than 4 hours; The drying conditions of other raw materials is 70 ℃ of * 12 hours.
(2) above-mentioned dried feed is joined fully mixing in the high-speed mixer, stirring at normal temperature 3-5 minute by proportioning;
(3) with the raw material extruding pelletization in twin screw extruder that mixes, screw diameter 35-75mm, twin screw extruder have a district to ten district, the temperature setting in each district is respectively: a district 190-210, two district 220-230, three district 240-255, four district 240-255, five district 210-230, six district 200-210, seven district 200-210, eight 210-220 districts, nine district 220-240, ten district 240-255; Screw speed is controlled at 350-400rPm.
The present invention adopts suitable Recipe, and is equipped with suitable flame-retardant system, and the high-performance refractory of preparing environmental protection flame retardant strengthens PBT/PET/PA6 tertiary blending alloy.This fire-retardant enhancing alloy is having outstanding advantage, and is being easy to forming process than the fire-retardant enhancing alloy of PBT/PET aspect rigidity, toughness, resistance toheat, flame retardant resistance and the dimensional stability.This environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy adopts composite flame-retardant system and synergistic flame-retardant system, so that the stable flame retardant rating that passes through UL94-V0 of alloy energy, and can be stable pass through 850 ℃ of glowing filaments (not on fire), can satisfy many fire-retardant ranks and the higher occasion of performance requriements, be widely used in capacitor case, load break switch, motor case, terminal strip, coil rack, plug and electric cupler, phone distributor box etc.
Embodiment
The present invention will be further described below in conjunction with embodiment:
Comparative Examples 1-6 and embodiment 7-8
The formula for raw stock of Comparative Examples 1-6 and embodiment 7-8 such as following table 1:
The formula for raw stock of table 1, Comparative Examples 1-6 and embodiment 7-8
| Material name | 1﹟ | 2﹟ | 3﹟ | 4﹟ | 5﹟ | 6﹟ | 7﹟ | 8﹟ |
| PBT | 31.1 | 28.1 | 23.1 | 22.1 | 20.1 | 19.1 | 18.6 | 17.6 |
| PET | 31.1 | 28.1 | 23.1 | 22.1 | 20.1 | 19.1 | 18.6 | 17.6 |
| PA6 | - | - | - | - | 6 | 8 | 6 | 6 |
| Compound flame redundant | 14 | 18 | 18 | 20 | 18 | 18 | 18 | 18 |
| Synergistic flame retardant | 3 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| Glass fibre | 20 | 20 | 30 | 30 | 30 | 30 | 30 | 30 |
| Toughner | - | - | - | - | - | - | 3 | 5 |
| Oxidation inhibitor | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| Lubricant | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
Preparation method and the technique of Comparative Examples and embodiment are as follows:
(1) according to the pre-treatment of raw material raw material drying, the temperature of PBT, PET and PA6 drying is controlled at 110-120 ℃, and time of drying is more than 4 hours; The drying conditions of other raw materials is 70 ℃ of * 12 hours.
(2) above-mentioned dried feed is singly joined fully mixing in the high-speed mixer, stirring at normal temperature 3-5 minute by Comparative Examples and Example formulations.
(3) with the raw material extruding pelletization in twin screw extruder that mixes, screw diameter 35-75mm, twin screw extruder have a district to ten district, the temperature setting in each district is respectively: a district 190-210, two district 220-230, three district 240-255, four district 240-255, five district 210-230, six district 200-210, seven district 200-210, eight 210-220 districts, nine district 220-240, ten district 240-255; Screw speed is controlled at 350-400rPm.
According to the sample that Comparative Examples 1-6 and embodiment 7-8 make, carry out the performance test contrast, the unified national standard that adopts, its each routine performance table is as shown in table 2.
Table 2 Comparative Examples 1-6 and embodiment 7-8 performance test
| Project | 1﹟ | 2﹟ | 3﹟ | 4﹟ | 5﹟ | 6﹟ | 7﹟ | 8﹟ |
| Tensile strength/MPa | 115 | 108 | 124 | 121 | 138 | 140 | 131 | 123 |
| Flexural strength/MPa | 161 | 165 | 185 | 189 | 213 | 217 | 205 | 186 |
| Notched Izod impact strength/kjm -2 | 7.5 | 6.8 | 8.2 | 7.9 | 9.5 | 9.8 | 11.8 | 13.5 |
| Flame retardant resistance UL94-1.6mm | V0 | V0 | V0 | V0 | V0 | V0 | V0 | V0 |
| Glow wire temperature/℃, not on fire | 810 | 830 | 850 | 840 | 875 | 875 | 870 | 865 |
| Glass fiber content (wt%) | 21 | 20.5 | 29.5 | 31.3 | 30.3 | 30.5 | 31.5 | 30.8 |
Can find out that from Comparative Examples 1-4 by optimization design, the flame retardant rating that passes through UL94-V0 that compound flame redundant can be stable, and the increase of glass fiber content can improve material glow wire temperature and mechanical property.
Can find out that from Comparative Examples 5-6 tensile strength, flexural strength, toughness, the glow wire temperature of the adding alloy material of PA6 all improve a lot.
Can find out that from embodiment 7-8 the adding of toughner can well improve the toughness of alloy material, and have preferably comprehensive mechanical property, stable flame retardant properties, and have higher glow wire temperature.
In sum, be preferred embodiment of the present invention, all changes of having done according to technical solution of the present invention when the function that produces fails to exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (7)
1. environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy is characterized in that being comprised of following component according to the mass percent meter: PBT 13 ~ 32%, PET 13 ~ 32%, PA6 0 ~ 6%, toughness reinforcing compatilizer 3 ~ 8%, compound flame retardant 10 ~ 20%, synergistic flame retardant 3 ~ 5%, glass fibre 20 ~ 30%, oxidation inhibitor 0.1 ~ 1% and lubrication dispersing agent 0.1 ~ 1%;
Above-mentioned PBT is sticking in being, limiting viscosity is 1.000 ± 0.015dl/g; Above-mentioned PET is for low sticking, and limiting viscosity is 0.670 ± 0.015 dl/g; Above-mentioned PA6 is sticking in being, relative viscosity is 2.83 ± 0.07; Above-mentioned toughness reinforcing compatilizer is the Bifunctionalized vinyl elastomerics of acrylate and glycidyl ester.
2. described environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy according to claim 1 is characterized in that the alkali free glass fibre that described glass fibre was processed through silane coupling agent for the surface.
3. described environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy according to claim 1 is characterized in that described compound flame redundant is mixed by brominated Polystyrene (BPS) 65wt%, melamine polyphosphates (MPP) 22wt%, three kinds of components of talcum powder 13wt%.
4. described environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy according to claim 1 is characterized in that described synergistic flame retardant is mixed by two kinds of components of sodium antimonate 35wt%, zinc borate 65wt%.
5. described environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy according to claim 1, it is characterized in that described oxidation inhibitor is Hinered phenols primary antioxidant 1010[β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, two kinds of oxidation inhibitor of synergistic oxidation inhibitor phosphoric acid ester irgasfos 168 three ［ 2.4-di-tert-butyl-phenyl ］ phosphorous acid ester be according to the compound composition of the part by weight of 1:2.
6. described environment-friendly flame-retardant reinforced PBT/PET/PA6 alloy according to claim 1 is characterized in that described lubrication dispersing agent is take the TAF of ethylene bis-fatty acid amides after basic modification.
7. the preparation method of the described environment-friendly flame-retardant reinforced PBT of any claim/PET/PA6 alloy in the claim 1 ~ 6 is characterized in that comprising the steps:
(1) raw material drying pre-treatment, the temperature of PBT, PET and PA6 drying is controlled at 110-120 ℃, and time of drying is more than 4 hours; The drying conditions of other raw materials is 70 ℃, 12 hours;
(2) above-mentioned dried feed is joined fully mixing in the high-speed mixer, stirring at normal temperature 3-5 minute by proportioning;
(3) with the raw material extruding pelletization in twin screw extruder that mixes, screw diameter 35-75mm, twin screw extruder have a district to ten district, the temperature setting in each district is respectively: a district 190-210, two district 220-230, three district 240-255, four district 240-255, five district 210-230, six district 200-210, seven district 200-210, eight 210-220 districts, nine district 220-240, ten district 240-255; Screw speed is controlled at 350-400rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210300263.5A CN103073853B (en) | 2012-08-22 | 2012-08-22 | Environmental-protection fire retardation enhancement PBT/PET/PA6 alloy and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210300263.5A CN103073853B (en) | 2012-08-22 | 2012-08-22 | Environmental-protection fire retardation enhancement PBT/PET/PA6 alloy and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103073853A true CN103073853A (en) | 2013-05-01 |
| CN103073853B CN103073853B (en) | 2014-12-24 |
Family
ID=48150560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210300263.5A Active CN103073853B (en) | 2012-08-22 | 2012-08-22 | Environmental-protection fire retardation enhancement PBT/PET/PA6 alloy and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103073853B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105400158A (en) * | 2015-12-16 | 2016-03-16 | 华南理工大学 | Reinforced flame-retardation PBT/PA6 composite material and preparation method thereof |
| CN107011654A (en) * | 2017-05-24 | 2017-08-04 | 武汉理工大学 | A kind of halogen-free flameproof enhancing PA6/PBT alloys and preparation method thereof |
| CN107955201A (en) * | 2017-11-30 | 2018-04-24 | 宁波多力浦工贸有限公司 | A kind of LEDbulb lamp shell |
| CN108948688A (en) * | 2018-08-22 | 2018-12-07 | 中广核俊尔（上海）新材料有限公司 | A kind of fiber glass reinforced PBT/PET material |
| US12098277B2 (en) | 2018-07-20 | 2024-09-24 | University Of Guelph | Engineering plastic composites with high sustainable content |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5708065A (en) * | 1995-12-22 | 1998-01-13 | E. I. Du Pont De Nemours And Company | Fire resistant resin compositions |
| CN1914276A (en) * | 2004-01-30 | 2007-02-14 | 三井化学株式会社 | Flame-retardant polyamide composition and its use |
| US20090170985A1 (en) * | 2007-12-28 | 2009-07-02 | Rina Ai | Polyester-polyamide compositions, articles, and method of manufacture thereof |
| CN101759983A (en) * | 2008-12-23 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Reinforced polyester alloy composite material and preparation method thereof |
| CN102108189A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | Polybutylece terephthalate (PBT)/poly(ethylene terephthalate) (PET) alloy material and preparation method thereof |
| CN102482490A (en) * | 2009-06-19 | 2012-05-30 | 罗地亚经营管理公司 | Mixed composition of polyamide and polyester resin |
-
2012
- 2012-08-22 CN CN201210300263.5A patent/CN103073853B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5708065A (en) * | 1995-12-22 | 1998-01-13 | E. I. Du Pont De Nemours And Company | Fire resistant resin compositions |
| CN1914276A (en) * | 2004-01-30 | 2007-02-14 | 三井化学株式会社 | Flame-retardant polyamide composition and its use |
| US20090170985A1 (en) * | 2007-12-28 | 2009-07-02 | Rina Ai | Polyester-polyamide compositions, articles, and method of manufacture thereof |
| CN101759983A (en) * | 2008-12-23 | 2010-06-30 | 上海普利特复合材料股份有限公司 | Reinforced polyester alloy composite material and preparation method thereof |
| CN102482490A (en) * | 2009-06-19 | 2012-05-30 | 罗地亚经营管理公司 | Mixed composition of polyamide and polyester resin |
| CN102108189A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | Polybutylece terephthalate (PBT)/poly(ethylene terephthalate) (PET) alloy material and preparation method thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105400158A (en) * | 2015-12-16 | 2016-03-16 | 华南理工大学 | Reinforced flame-retardation PBT/PA6 composite material and preparation method thereof |
| CN107011654A (en) * | 2017-05-24 | 2017-08-04 | 武汉理工大学 | A kind of halogen-free flameproof enhancing PA6/PBT alloys and preparation method thereof |
| CN107955201A (en) * | 2017-11-30 | 2018-04-24 | 宁波多力浦工贸有限公司 | A kind of LEDbulb lamp shell |
| CN107955201B (en) * | 2017-11-30 | 2021-02-12 | 宁波多力浦工贸有限公司 | LED bulb lamp shell |
| US12098277B2 (en) | 2018-07-20 | 2024-09-24 | University Of Guelph | Engineering plastic composites with high sustainable content |
| CN108948688A (en) * | 2018-08-22 | 2018-12-07 | 中广核俊尔（上海）新材料有限公司 | A kind of fiber glass reinforced PBT/PET material |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103073853B (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102108187B (en) | High glowing filament environmental-friendly inflaming retarding reinforced polybutylece terephthalate (PBT)/acrylonitrile butadiene styrene (ABS) alloy material and preparation method thereof | |
| CN101875761B (en) | Flame-retardant strengthening polythylene terephthalate (PET) material and preparation method thereof | |
| CN103013104B (en) | Halogen-free filling flame-retardant nylon 6 composite material and preparation method thereof | |
| CN103073853B (en) | Environmental-protection fire retardation enhancement PBT/PET/PA6 alloy and manufacturing method thereof | |
| CN102382464A (en) | High-CTI (comparative tracking index) value and low-corrosivity red phosphorus flame-retarding glass fiber reinforced PA66 (polyamide 66) material and preparation method thereof | |
| CN100590146C (en) | Preparation of halogen-free flame-proof nylon 66 having high-mechanical property and composite material | |
| CN101817972A (en) | Flame-retardant enhanced PBT material and preparation method thereof | |
| CN102070884B (en) | Fire resistant glass fiber reinforced polyethylene terephthalate/polybutylece terephthalate alloy and preparation method thereof | |
| CN102532818B (en) | Carbon fiber-glass fiber composite enhanced flame-retardant PBT (Polybutylece Terephthalate) material and preparation method thereof | |
| CN111286163A (en) | Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) alloy material and preparation method thereof | |
| CN102002226A (en) | Flame-resistant PC (Polycarbonate)/PBT (Polybutylene Terephathalate)/PET (Polyethylene Terephathalate) alloy and preparation method thereof | |
| CN101220199A (en) | Environment-protection flame-proof fiberglass reinforcing polyester alloy material and method for producing the same | |
| CN103333469A (en) | Halogen-free flame-retardant PET (polyethylene terephthalate) composite material and preparation method thereof | |
| CN111154241A (en) | Reinforced flame-retardant low-warpage PBT (polybutylene terephthalate) composite material and preparation method thereof | |
| CN102942738B (en) | A kind of high CTI value, high GWIT value environment-protection flame-proof fiberglass strengthen PP/PPO alloy material and preparation method thereof | |
| CN102108188B (en) | Polyethylene terephthalate/acrylonitrile-butadiene-phenethylene alloy and preparation method thereof | |
| CN103013028A (en) | Flame-retardant glass fiber-reinforced ABS material with high CTI value and high GWIT value | |
| CN104448554A (en) | Highlight high-flexibility polypropylene environment-friendly flame retardant material and preparation method thereof | |
| CN104650552A (en) | High-performance low-cost PC/PBT defective material recovered composition | |
| CN103709663A (en) | Modified PET/PBT alloy material | |
| CN104086912B (en) | A kind of halogen-free flame-retardant glass fiber strengthens polyphenyl ether/styrene compositions and preparation method thereof | |
| CN102321347A (en) | High creepage trace index polyester composite and preparation method thereof | |
| CN111218096A (en) | high-CTI-value black flame-retardant reinforced PBT (polybutylene terephthalate) engineering plastic and preparation method thereof | |
| CN102816415A (en) | High-flame-retardant high-flowability polybutylene terephthalate resin composition | |
| CN102337022A (en) | Nylon material special for breakers 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 |