CN113999503A - High-performance PBT (polybutylene terephthalate) composite material and preparation method thereof - Google Patents
High-performance PBT (polybutylene terephthalate) composite material and preparation method thereof Download PDFInfo
- Publication number
- CN113999503A CN113999503A CN202111501330.5A CN202111501330A CN113999503A CN 113999503 A CN113999503 A CN 113999503A CN 202111501330 A CN202111501330 A CN 202111501330A CN 113999503 A CN113999503 A CN 113999503A
- Authority
- CN
- China
- Prior art keywords
- pbt
- temperature
- zone
- composite material
- butadiene rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C08G81/024—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G
- C08G81/027—Block or graft polymers containing sequences of polymers of C08C or C08F and of polymers of C08G containing polyester or polycarbonate sequences
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a high-performance PBT composite material and a preparation method thereof, wherein the high-performance PBT composite material comprises, by weight, 80-100 parts of PBT, 10-16 parts of basalt fiber, 0.4-0.6 part of PBT-g-butadiene rubber and 0.1-0.5 part of antioxidant. The PBT-g-BR synthesized by the invention can well improve the compatibility of the PBT and the basalt fiber, has better effect and better physical property than the conventional compatilizer SEBS-g-MAH.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to a high-performance PBT (polybutylene terephthalate) composite material and a preparation method thereof.
Background
The compatibility between polybutylene terephthalate (PBT) and basalt fibers is poor, and when the composite material of the PBT and the basalt fibers is used, the physical properties of the PBT composite material are influenced, so that the application field is limited to a certain extent.
Therefore, a compatilizer PBT-g-EPDM is developed to improve the interface compatibility of the PBT and the basalt fiber, has better physical properties than the commonly used compatilizer SEBS-g-MAH modified PBT/basalt fiber, and can effectively expand the application range of the PBT composite material.
Disclosure of Invention
The invention aims to provide a high-performance PBT composite material and a preparation method thereof, and aims to solve the problem of poor compatibility between PBT and basalt fibers.
In order to achieve the purpose, the method is realized by the following technical scheme:
a high-performance PBT composite material is prepared from the following components in parts by weight:
further, the preparation method of the PBT-g-cis-butadiene rubber comprises the following steps:
(1) weighing a certain amount of PBT, butadiene rubber and AlCl serving as a catalyst3Putting an initiator dimethyl azodiisobutyrate and deionized water into a high-pressure kettle, keeping the pressure in the kettle at 14-18MPa, and reacting for 20-24 h;
(2) after the reaction is finished, introducing cooling water into the reaction kettle jacket, releasing the pressure, cooling to room temperature, filtering and taking out a product;
(3) soaking the product in toluene for 8-12h, filtering, and drying in a vacuum drying oven at 60-80 ℃ for 6-8h to obtain the product PET-g-butadiene rubber.
Further, the mass ratio of the PBT, the butadiene rubber, the AlCl3, the dimethyl azodiisobutyrate and the deionized water in the step (1) is (40-50): (20-30): (0.2-0.6): (0.4-0.6): (200-280).
Further, the antioxidant is one or a mixture of more of tris (2, 4-di-tert-butyl) phenyl phosphite, tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester or 1, 3, 5-trimethyl-2, 4, 6- (3, 5-di-tert-butyl-4-hydroxybenzyl) benzene.
The preparation method of any one of the high-performance PBT composite materials comprises the following steps:
(1) weighing 80-100 parts of PBT, 10-16 parts of basalt fiber, 0.4-0.6 part of PBT-g-butadiene rubber and 0.1-0.5 part of antioxidant, mixing and uniformly stirring to obtain a mixture;
(2) and (2) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material.
Further, the step (2) is specifically as follows:
and (2) putting the mixture obtained in the step (1) into a hopper of a double-screw extruder to extrude and granulate, so as to obtain the PBT composite material, wherein the double-screw extruder comprises six temperature zones which are sequentially arranged, the temperature of the first zone is 200-220 ℃, the temperature of the second zone is 240-260 ℃, the temperature of the third zone is 240-260 ℃, the temperature of the fourth zone is 240-260 ℃, the temperature of the fifth zone is 240-260 ℃, the temperature of the sixth zone is 240-260 ℃, the temperature of a machine head is 240-260 ℃, and the rotation speed of a screw is 200-280 r/min.
The invention has the beneficial effects that:
(1) according to the technical scheme, Lewis acid capable of absorbing molecules or atomic groups of electron cloud is formed by AlCl3 and is used as a catalyst for alkylation reaction of a blending system, although PBT and cis-butadiene rubber do not have reactive functional groups, benzene rings on the PBT can be used as active sites and are subjected to coupling reaction with free radicals in the cis-butadiene rubber, and free radicals obtained after chain scission of BR can be grafted onto the benzene rings through free radical reaction under the catalytic action of Lewis acid AlCl3, so that the PBT-g-cis-butadiene rubber graft copolymer is generated.
(2) The synthesized PBT-g-cis-butadiene rubber in the technical scheme can well improve the compatibility of the PBT and the basalt fiber, has better effect and better physical property than a common compatilizer SEBS-g-MAH sold in the market.
Detailed Description
The technical solutions of the present application are described in detail by the following examples, which are only exemplary and can be used to explain and illustrate the technical solutions of the present invention, but not to be construed as limiting the technical solutions of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
The raw materials used in the examples of the invention are as follows:
PBT (model 2002U), Japan treaty; butadiene Rubber (BR), Shandonghao Shuihai chemical Co., Ltd; AlCl3, denanglun chemical; dimethyl azodiisobutyrate, jonan xin chemical ltd; toluene, denna macroboli chemical limited; basalt fiber, Shandong Sen hong engineering materials, Inc.; SEBS-g-MAH, Deba, Nanjing, high molecular materials, Inc.; antioxidants (type Irganox168, Irganox1010, Irganox1330), from Bassfer.
The test instrument used in the present invention is as follows:
model ZSK30 twin-screw extruder, W & P, Germany; JL-1000 type tensile testing machine, produced by Guangzhou Youcai laboratory instruments; HTL900-T-5B injection molding machine, manufactured by Haita plastics machinery, Inc.; XCJ-500 impact tester, manufactured by Chengde tester; QT-1196 tensile tester, Gaotai detection instruments, Inc. of Dongguan; QD-GJS-B12K model high-speed mixer, HengOde instruments, Beijing.
Preparation example 1
(1) Weighing 400g of PBT, 200g of Butadiene Rubber (BR) and 2g of AlCl serving as a catalyst34g of azo-bis-isobutyric acid dimethyl ester as an initiator and 2.0kg of deionized water are put into an autoclave, the pressure in the autoclave is kept at 14MPa, and the reaction is carried out for 20 hours.
(2) And after the reaction is finished, introducing cooling water into the reaction kettle jacket, releasing the pressure, cooling to room temperature, filtering and taking out the product.
(3) The product is soaked in toluene for 8h, filtered, dried in a vacuum drying oven at 60 ℃ for 6h to obtain the product PET-g-BR M1.
Example 1
(1) Weighing 80 parts of PBT, 10 parts of basalt fiber, 0.4 part of PBT-g-BR M1 and 0.1 part of Irganox1010, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material P1.
The double-screw extruder comprises six temperature zones which are sequentially distributed, wherein the temperature of the first zone is 200 ℃, the temperature of the second zone is 240 ℃, the temperature of the third zone is 240 ℃, the temperature of the fourth zone is 240 ℃, the temperature of the fifth zone is 240 ℃, the temperature of the sixth zone is 240 ℃, the temperature of a machine head is 240 ℃, and the rotating speed of a screw is 200 r/min.
Preparation example 2
(1) 500g of PBT, 300g of Butadiene Rubber (BR) and 6g of AlCl catalyst are weighed36g of initiator dimethyl azodiisobutyrate and 2.8kg of deionized water are put into an autoclave, the pressure in the autoclave is kept at 18MPa, and the reaction is carried out for 24 hours.
(2) And after the reaction is finished, introducing cooling water into the reaction kettle jacket, releasing the pressure, cooling to room temperature, filtering and taking out the product.
(3) The product is soaked in toluene for 12h, filtered, dried in a vacuum drying oven at 80 ℃ for 8h to obtain the product PET-g-BR M2.
Example 2
(1) Weighing 100 parts of PBT, 16 parts of basalt fiber, 0.6 part of PBT-g-BR M2, 0.1 part of Irganox1010, 0.1 part of Irganox1330 and 0.3 part of Irganox168, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material P2.
The double-screw extruder comprises six temperature zones which are sequentially arranged, wherein the temperature of the first zone is 220 ℃, the temperature of the second zone is 260 ℃, the temperature of the third zone is 260 ℃, the temperature of the fourth zone is 260 ℃, the temperature of the fifth zone is 260 ℃, the temperature of the sixth zone is 260 ℃, the temperature of a machine head is 260 ℃, and the screw rotating speed is 280 r/min.
Preparation example 3
(1) 450g of PBT, 250g of Butadiene Rubber (BR) and 4g of AlCl serving as a catalyst are weighed34g of initiator dimethyl azodiisobutyrate and 2.4kg of deionized water are put into an autoclave, the pressure in the autoclave is kept at 16MPa, and the reaction is carried out for 22 hours.
(2) And after the reaction is finished, introducing cooling water into the reaction kettle jacket, releasing the pressure, cooling to room temperature, filtering and taking out the product.
(3) And soaking the product in toluene for 10h, performing suction filtration, and drying in a vacuum drying oven at 70 ℃ for 7h to obtain the product PET-g-BR M3.
Example 3
(1) Weighing 90 parts of PBT, 13 parts of basalt fiber, 0.5 part of PBT-g-BR M3, 0.1 part of Irganox1010 and 0.2 part of Irganox1330, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material P3.
The double-screw extruder comprises six temperature zones which are sequentially arranged, wherein the temperature of the first zone is 210 ℃, the temperature of the second zone is 250 ℃, the temperature of the third zone is 250 ℃, the temperature of the fourth zone is 250 ℃, the temperature of the fifth zone is 250 ℃, the temperature of the sixth zone is 250 ℃, the temperature of a machine head is 250 ℃, and the rotating speed of a screw is 240 r/min.
Preparation example 4
(1) 480g of PBT, 260g of Butadiene Rubber (BR) and 5g of AlCl serving as a catalyst are weighed35g of azo-bis-isobutyric acid dimethyl ester as an initiator and 2.45kg of deionized water were placed in an autoclave, and the pressure in the autoclave was kept at 17MPa for a reaction time of 23 hours.
(2) And after the reaction is finished, introducing cooling water into the reaction kettle jacket, releasing the pressure, cooling to room temperature, filtering and taking out the product.
(3) And soaking the product in toluene for 11h, performing suction filtration, and drying in a vacuum drying oven at 65 ℃ for 7h to obtain the product PET-g-BR M4.
Example 4
(1) Weighing 85 parts of PBT, 14 parts of basalt fiber, 0.4 part of PBT-g-BR M4 and 0.2 part of Irganox1010, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material P4.
The double-screw extruder comprises six temperature zones which are sequentially arranged, wherein the temperature of the first zone is 215 ℃, the temperature of the second zone is 255 ℃, the temperature of the third zone is 255 ℃, the temperature of the fourth zone is 255 ℃, the temperature of the fifth zone is 255 ℃, the temperature of the sixth zone is 255 ℃, the temperature of a machine head is 255 ℃, and the rotating speed of a screw is 245 r/min.
Preparation example 5
(1) 495g of PBT, 285g of Butadiene Rubber (BR) and 4.5g of catalyst AlCl are weighed34.5g of azo-bis-isobutyric acid dimethyl ester as an initiator and 2.35kg of deionized water were placed in an autoclave, and the pressure in the autoclave was kept at 17MPa for a reaction time of 23 hours.
(2) And after the reaction is finished, introducing cooling water into the reaction kettle jacket, releasing the pressure, cooling to room temperature, filtering and taking out the product.
(3) And soaking the product in toluene for 11h, performing suction filtration, and drying in a vacuum drying oven at 65 ℃ for 7h to obtain the product PET-g-BR M5.
Example 5
(1) Weighing 95 parts of PBT, 15 parts of basalt fiber, 0.55 part of PBT-g-BR M5, 0.1 part of Irganox1010 and 0.1 part of Irganox168, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material P5.
The double-screw extruder comprises six temperature zones which are sequentially arranged, wherein the temperature of the first zone is 205 ℃, the temperature of the second zone is 245 ℃, the temperature of the third zone is 245 ℃, the temperature of the fourth zone is 245 ℃, the temperature of the fifth zone is 245 ℃, the temperature of the sixth zone is 245 ℃, the temperature of a machine head is 245 ℃, and the rotating speed of a screw is 235 r/min.
Comparative example 1
(1) Weighing 95 parts of PBT, 15 parts of basalt fiber, 0.1 part of Irganox1010 and 0.1 part of Irganox168, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material D1.
The double-screw extruder comprises six temperature zones which are sequentially arranged, wherein the temperature of the first zone is 205 ℃, the temperature of the second zone is 245 ℃, the temperature of the third zone is 245 ℃, the temperature of the fourth zone is 245 ℃, the temperature of the fifth zone is 245 ℃, the temperature of the sixth zone is 245 ℃, the temperature of a machine head is 245 ℃, and the rotating speed of a screw is 235 r/min.
Comparative example 2
(1) Weighing 95 parts of PBT, 15 parts of basalt fiber, 0.55 part of SEBS-g-MAH, 0.1 part of Irganox1010 and 0.1 part of Irganox168, mixing and uniformly stirring to obtain a mixture;
(2) and (3) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material D2.
The double-screw extruder comprises six temperature zones which are sequentially arranged, wherein the temperature of the first zone is 205 ℃, the temperature of the second zone is 245 ℃, the temperature of the third zone is 245 ℃, the temperature of the fourth zone is 245 ℃, the temperature of the fifth zone is 245 ℃, the temperature of the sixth zone is 245 ℃, the temperature of a machine head is 245 ℃, and the rotating speed of a screw is 235 r/min.
The PBT composite materials prepared in the above examples 1-5 and comparative examples 1-2 were molded into sample bars by an injection molding machine, and the product performance data are shown in the following table:
as can be seen from the above table:
the tensile strength, the bending strength and the Izod impact strength of the P1-5 are higher than those of the D1-2, which shows that the physical properties of the P1-5 are also better.
The PBT composite material described in the technical scheme has a certain degree of improvement in physical properties, and has a very important significance for expanding the application field of the PBT composite material.
The above disclosure is only for the purpose of describing several embodiments of the present application, but the present application is not limited thereto, and any variations that can be considered by those skilled in the art are intended to fall within the scope of the present application.
Claims (6)
1. The high-performance PBT composite material is characterized by being prepared from the following components in parts by weight:
2. the high-performance PBT composite material according to claim 1, wherein the preparation method of the PBT-g-cis-butadiene rubber comprises the following steps:
(1) weighing a certain amount of PBT, butadiene rubber and AlCl serving as a catalyst3Putting an initiator dimethyl azodiisobutyrate and deionized water into a high-pressure kettle, keeping the pressure in the kettle at 14-18MPa, and reacting for 20-24 h;
(2) after the reaction is finished, introducing cooling water into the reaction kettle jacket, releasing the pressure, cooling to room temperature, filtering and taking out a product;
(3) soaking the product in toluene for 8-12h, filtering, and drying in a vacuum drying oven at 60-80 ℃ for 6-8h to obtain the product PET-g-butadiene rubber.
3. The high-performance PBT composite material according to claim 2, wherein the mass ratio of the PBT, the butadiene rubber, the AlCl3, the dimethyl azodiisobutyrate and the deionized water in the step (1) is (40-50): (20-30): (0.2-0.6): (0.4-0.6): (200-280).
4. The high-performance PBT composite material of claim 2, wherein the antioxidant is one or more of tris (2, 4-di-tert-butyl) phenyl phosphite, pentaerythrityl tetrakis [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate ] or 1, 3, 5-trimethyl-2, 4, 6- (3, 5-di-tert-butyl-4-hydroxybenzyl) benzene.
5. Process for the preparation of a high performance PBT composite according to any one of claims 1 to 4, characterized in that it comprises the following steps:
(1) weighing 80-100 parts of PBT, 10-16 parts of basalt fiber, 0.4-0.6 part of PBT-g-butadiene rubber and 0.1-0.5 part of antioxidant, mixing and uniformly stirring to obtain a mixture;
(2) and (2) extruding and granulating the mixture obtained in the step (1) from an extruder to obtain the PBT composite material.
6. The preparation method of the high-performance PBT composite material according to claim 5, wherein the step (2) is specifically:
and (2) putting the mixture obtained in the step (1) into a hopper of a double-screw extruder to extrude and granulate, so as to obtain the PBT composite material, wherein the double-screw extruder comprises six temperature zones which are sequentially arranged, the temperature of the first zone is 200-220 ℃, the temperature of the second zone is 240-260 ℃, the temperature of the third zone is 240-260 ℃, the temperature of the fourth zone is 240-260 ℃, the temperature of the fifth zone is 240-260 ℃, the temperature of the sixth zone is 240-260 ℃, the temperature of a machine head is 240-260 ℃, and the rotation speed of a screw is 200-280 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501330.5A CN113999503A (en) | 2021-12-09 | 2021-12-09 | High-performance PBT (polybutylene terephthalate) composite material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111501330.5A CN113999503A (en) | 2021-12-09 | 2021-12-09 | High-performance PBT (polybutylene terephthalate) composite material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113999503A true CN113999503A (en) | 2022-02-01 |
Family
ID=79931739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111501330.5A Pending CN113999503A (en) | 2021-12-09 | 2021-12-09 | High-performance PBT (polybutylene terephthalate) composite material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113999503A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108164934A (en) * | 2017-12-05 | 2018-06-15 | 闵思琦 | A kind of basalt fibre enhancing anti-flaming PBT composite and application thereof |
| CN108948639A (en) * | 2018-07-18 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of recycling ABS composite material and preparation method thereof |
| KR20180138325A (en) * | 2017-06-21 | 2018-12-31 | 현대자동차주식회사 | Basalt fiber reinforced thermoplasic composite material and manufacturing method thereof |
| CN112143179A (en) * | 2019-06-28 | 2020-12-29 | 合肥杰事杰新材料股份有限公司 | PBT composite material and preparation method thereof |
-
2021
- 2021-12-09 CN CN202111501330.5A patent/CN113999503A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180138325A (en) * | 2017-06-21 | 2018-12-31 | 현대자동차주식회사 | Basalt fiber reinforced thermoplasic composite material and manufacturing method thereof |
| CN108164934A (en) * | 2017-12-05 | 2018-06-15 | 闵思琦 | A kind of basalt fibre enhancing anti-flaming PBT composite and application thereof |
| CN108948639A (en) * | 2018-07-18 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of recycling ABS composite material and preparation method thereof |
| CN112143179A (en) * | 2019-06-28 | 2020-12-29 | 合肥杰事杰新材料股份有限公司 | PBT composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109370041A (en) | A kind of polypropylene modified material and preparation method thereof having both good rigidity and high elongation at tear | |
| CN1264920C (en) | Preparation of PC/ABS alloy | |
| CN105001525A (en) | Low-VOC low-odor environmental-friendly flame-resistant glass fiber reinforced PP composite material and preparation method thereof | |
| CN107793637B (en) | Polypropylene modified sound insulation composite material and preparation method thereof | |
| CN113845727B (en) | Polypropylene composite material with high rigidity and high thermal aging resistance and preparation method thereof | |
| CN110982245A (en) | Modified polyphenyl ether resin material and preparation method and application thereof | |
| CN114085458A (en) | High-strength high-toughness flame-retardant polypropylene composite material and preparation method thereof | |
| CN104559100A (en) | Functional cyclodextrin flame-retarding polylactic acid composite material and preparation method thereof | |
| CN110862684A (en) | POK/PPS composite material and preparation method thereof | |
| CN113999503A (en) | High-performance PBT (polybutylene terephthalate) composite material and preparation method thereof | |
| CN116144158B (en) | High-temperature-resistant flame-retardant PC/ABS composite material and preparation method thereof | |
| CN116694056A (en) | High heat-resistant mineral reinforced halogen-free flame-retardant PC/ABS alloy and preparation method thereof | |
| CN114213778B (en) | High-impact high-gloss HIPS material and preparation method and application thereof | |
| CN115246981B (en) | Low-VOC (volatile organic compound) high-performance ABS (Acrylonitrile butadiene styrene) composite material and preparation method thereof | |
| CN111909449A (en) | Environment-friendly polypropylene composition and preparation method thereof | |
| CN114605821A (en) | Bio-based nylon material and preparation method thereof | |
| CN113444314B (en) | Glass fiber reinforced polypropylene material and preparation method and application thereof | |
| CN113512256A (en) | Antistatic polyolefin master batch and preparation method thereof | |
| CN113831693A (en) | PBT composite material and preparation method thereof | |
| CN114133710A (en) | PET composite material and preparation method thereof | |
| CN115353685B (en) | High-performance low-warpage PP (Polypropylene) plate and preparation method thereof | |
| CN111925597B (en) | Anti-aging stress whitening-resistant polypropylene composition and preparation method thereof | |
| CN115353645A (en) | Antistatic master batch, antistatic PP (polypropylene) plate and preparation method thereof | |
| CN117186642A (en) | PPS composite material and preparation method thereof | |
| CN115141484B (en) | PPS composite material for radome material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220201 |
|
| RJ01 | Rejection of invention patent application after publication |