CN111073271A - Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof - Google Patents
Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof Download PDFInfo
- Publication number
- CN111073271A CN111073271A CN201911385927.0A CN201911385927A CN111073271A CN 111073271 A CN111073271 A CN 111073271A CN 201911385927 A CN201911385927 A CN 201911385927A CN 111073271 A CN111073271 A CN 111073271A
- Authority
- CN
- China
- Prior art keywords
- parts
- composite material
- polyamide resin
- good flexibility
- resin composite
- 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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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)
Abstract
The invention relates to a low-temperature-resistant polyamide resin composite material with good flexibility and a preparation method thereof, belonging to the technical field of polymers. The low-temperature resistant polyamide resin composite material with good flexibility comprises, by mass, 80 parts of nylon, 15-25 parts of ABS resin, 10-20 parts of compatilizer, 15-30 parts of glass fiber, 0.1-2 parts of coupling agent, 0.5-2 parts of cold-resistant auxiliary agent, 0.1-1.5 parts of antioxidant and 0.1-2 parts of processing auxiliary agent, and is prepared by uniformly mixing the components in two steps and granulating the mixture by a double-screw extruder. The compatilizer, the ABS resin and the cold-resistant auxiliary agent are used when the low-temperature-resistant polyamide resin composite material with good flexibility is prepared, so that the flexibility is improved, the low-temperature resistance of the resin material is greatly improved, the problem of brittleness of the nylon resin at low temperature is solved, and the polyamide resin composite material can be used at low temperature; meanwhile, the inorganic filler is added, so that the rigidity of the composite material is improved, and the composite material has a wider application range.
Description
Technical Field
The invention belongs to the technical field of polymer material modification, and particularly relates to a low-temperature-resistant polyamide resin composite material with good flexibility and a preparation method thereof.
Background
Nylon, the earliest developed variety of engineering plastics, has been widely used in the fields of chemical engineering, electrical equipment, automotive engineering and other mechanical manufacturing because of its characteristics of high strength, high modulus, excellent chemical and abrasion resistance, high melting point, low friction coefficient, etc. However, in more demanding applications and further research, it has been found that nylon exhibits brittleness at low temperatures and in the dry state, which greatly limits its applications. Such as nylon 66, nylon 610 and nylon 612, have high crystallinity, and show remarkable brittleness in a low-temperature dry state while ensuring mechanical strength.
Since the conventional nylon has a sharp drop in properties at low temperatures, and thus has limited applications, it is necessary to improve it.
Disclosure of Invention
In order to solve the problems, the invention particularly provides a low-temperature resistant polyamide resin composite material with good flexibility and a preparation method thereof. The compatilizer, the ABS resin and the cold-resistant auxiliary agent are used when the low-temperature-resistant polyamide resin composite material with good flexibility is prepared, so that the flexibility is improved, the low-temperature resistance of the resin material is greatly improved, the problem of brittleness of the nylon resin at low temperature is solved, and the polyamide resin composite material can be used at low temperature; meanwhile, the inorganic filler is added, so that the rigidity of the composite material is improved, and the composite material has a wider application range.
The invention adopts the following technical scheme: a low-temperature resistant polyamide resin composite material with good flexibility comprises, by mass, 80 parts of nylon, 15-25 parts of ABS resin, 10-20 parts of a compatilizer, 15-30 parts of glass fiber, 0.1-2 parts of a coupling agent, 0.5-2 parts of a cold-resistant auxiliary agent, 0.1-1.5 parts of an antioxidant and 0.1-2 parts of a low-temperature resistant polyamide resin
A processing aid.
The nylon is one of nylon 6 or nylon 66.
The ABS resin is acrylonitrile-butadiene-styrene copolymer, wherein the mass ratio of acrylonitrile to butadiene to styrene is 20:30: 50.
The compatilizer is at least one of octene and polyolefin resin grafted maleic anhydride, polypropylene grafted maleic anhydride and ethylene propylene diene monomer grafted maleic anhydride.
The glass fiber is alkali-free glass fiber with the diameter of 3-20 μm.
The coupling agent is a silane coupling agent.
The silane coupling agent is at least one of gamma-aminopropyltriethoxysilane and β -3, 4-epoxycyclohexyl trimethoxysilane.
The cold-resistant auxiliary agent is dioctyl adipate or dioctyl sebacate, and the processing auxiliary agent is one or a mixture of silicone powder or N, N' -ethylene bis stearamide.
The antioxidant is a combined antioxidant of an antioxidant 323 and an antioxidant 626.
The preparation method of the low-temperature resistant polyamide resin composite material with good flexibility comprises the following steps:
(1) mixing 80 parts by mass of nylon, 15-25 parts by mass of ABS resin, 10-20 parts by mass of compatilizer and 0.1-2 parts by mass of coupling agent for 3-5min at the speed of 180 revolutions/min, then adding 0.5-2 parts by mass of cold-resistant auxiliary agent, 0.1-1.5 parts by mass of antioxidant and 0.1-2 parts by mass of processing auxiliary agent, and continuously mixing for 5-10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 15-30 parts of glass fiber through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the ultra-low temperature resistant composite material.
Compared with the prior art, the invention has the following advantages:
the compatilizer, the ABS resin and the cold-resistant auxiliary agent are used when the low-temperature-resistant polyamide resin composite material with good flexibility is prepared, so that the flexibility is improved, the low-temperature resistance of the resin material is greatly improved, the problem of brittleness of the nylon resin at low temperature is solved, and the polyamide resin composite material can be used at low temperature; meanwhile, the inorganic filler is added, so that the rigidity of the composite material is improved, and the composite material has a wider application range.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example 1
A preparation method of a low-temperature resistant polyamide resin composite material with good flexibility comprises the following steps:
(1) mixing 80 parts of nylon 6, 20 parts of ABS resin, 15 parts of compatilizer octene and polyolefin resin grafted maleic anhydride and 2 parts of coupling agent silane coupling agent KH-550 in a high-speed mixer for 5 min; then adding 1 part of cold-resistant aid dioctyl sebacate, 0.2 part of antioxidant 323, antioxidant 626 combined antioxidant and 1 part of processing aid silicone powder, and continuously mixing for 10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 25 parts of alkali-free glass fiber (the diameter is 10-20 mu m) through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the low-temperature-resistant polyamide resin composite material with good flexibility.
Example 2
A preparation method of a low-temperature resistant polyamide resin composite material with good flexibility comprises the following steps:
(1) mixing 80 parts of nylon 6, 25 parts of ABS resin, 18 parts of compatilizer octene and polyolefin resin grafted maleic anhydride with 2 parts of coupling agent silane coupling agent KH-550 in a high-speed mixer for 5 min; then adding 1 part of cold-resistant aid dioctyl sebacate, 0.2 part of antioxidant 323, antioxidant 626 combined antioxidant and 1 part of processing aid silicone powder, and continuously mixing for 10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 30 parts of alkali-free glass fiber (the diameter is 10-20 mu m) through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the low-temperature-resistant polyamide resin composite material with good flexibility.
Example 3
A preparation method of a low-temperature resistant polyamide resin composite material with good flexibility comprises the following steps:
(1) mixing 80 parts of nylon 6, 20 parts of ABS resin, 15 parts of compatilizer octene and polyolefin resin grafted maleic anhydride with 2 parts of coupling agent silane coupling agent KH-550 in a high-speed mixer for 5 min; then adding 1 part of cold-resistant aid dioctyl sebacate, 0.2 part of antioxidant 323, antioxidant 626 combined antioxidant and 1 part of processing aid silicone powder, and continuously mixing for 10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 30 parts of alkali-free glass fiber (the diameter is 10-20 mu m) through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the low-temperature-resistant polyamide resin composite material with good flexibility.
Example 4
A preparation method of a low-temperature resistant polyamide resin composite material with good flexibility comprises the following steps:
(1) mixing 80 parts of nylon 66, 25 parts of ABS resin, 18 parts of compatilizer octene and polyolefin resin grafted maleic anhydride with 1 part of coupling agent silane coupling agent KH-550 in a high-speed mixer for 5 min; then adding 1 part of cold-resistant aid dioctyl sebacate, 0.2 part of antioxidant 323, antioxidant 626 combined antioxidant and 1 part of processing aid silicone powder, and continuously mixing for 10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 30 parts of alkali-free glass fiber (the diameter is 10-20 mu m) through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the low-temperature-resistant polyamide resin composite material with good flexibility.
Example 5
A preparation method of a low-temperature resistant polyamide resin composite material with good flexibility comprises the following steps:
(1) mixing 80 parts of nylon 6, 15 parts of ABS resin, 11 parts of compatilizer polypropylene grafted maleic anhydride and 2 parts of coupling agent silane coupling agent KH-550 in a high-speed mixer for 5 min; then adding 1 part of cold-resistant aid dioctyl sebacate, 0.2 part of antioxidant 323, antioxidant 626 combined antioxidant and 1 part of processing aid silicone powder, and continuously mixing for 10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 25 parts of alkali-free glass fiber (the diameter is 10-20 mu m) through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the low-temperature-resistant polyamide resin composite material with good flexibility.
Comparative example 1
A preparation method of a polyamide resin composite material comprises the following steps:
(1) mixing 80 parts of nylon 6 and 2 parts of coupling agent silane coupling agent KH-550 in a high-speed mixer for 5 min; then adding 1 part of cold-resistant aid dioctyl sebacate, 0.2 part of antioxidant 323, antioxidant 626 combined antioxidant and 1 part of processing aid silicone powder, and continuously mixing for 10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 25 parts of alkali-free glass fiber (the diameter is 10-20 mu m) through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the low-temperature-resistant polyamide resin composite material with good flexibility.
Comparative example 2
A preparation method of a polyamide resin composite material comprises the following steps:
(1) mixing 80 parts of nylon 6, 10 parts of compatilizer polypropylene grafted maleic anhydride and 2 parts of coupling agent silane coupling agent KH-550 in a high-speed mixer for 5 min; then adding 1 part of cold-resistant aid dioctyl sebacate, 0.2 part of antioxidant 323, antioxidant 626 combined antioxidant and 1 part of processing aid silicone powder, and continuously mixing for 10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 25 parts of alkali-free glass fiber (the diameter is 10-20 mu m) through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the low-temperature-resistant polyamide resin composite material with good flexibility.
The composite materials obtained in examples 1 to 5 and comparative examples 1 to 2 were subjected to the performance test, and the results are shown in the following table 1:
TABLE 1 comparison of the Properties of the polyamide resin composites obtained in examples 1 to 5 and comparative examples 1 to 2
Performance test reference standard:
tensile strength test standard reference ASTM D638;
flexural strength test standard reference ASTM D790;
the notched impact strength test standard is referred to ASTM D256.
As can be seen from the test results of the above examples, the composite material prepared by the present invention has high impact strength even at low temperature of-40 ℃, and thus it is sufficient to show that the composite material of the present invention has good performance at low temperature.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the principles of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The low-temperature-resistant polyamide resin composite material with good flexibility is characterized by comprising, by mass, 80 parts of nylon, 15-25 parts of ABS resin, 10-20 parts of a compatilizer, 15-30 parts of glass fiber, 0.1-2 parts of a coupling agent, 0.5-2 parts of a cold-resistant auxiliary agent, 0.1-1.5 parts of an antioxidant and 0.1-2 parts of a processing auxiliary agent.
2. The method for preparing the polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1, wherein the nylon is one of nylon 6 or nylon 66.
3. The method for preparing the polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1, wherein the ABS resin is acrylonitrile-butadiene-styrene copolymer, wherein the mass ratio of acrylonitrile to butadiene to styrene is =20:30: 50.
4. The polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1, wherein the compatibilizer is at least one of octene and polyolefin resin grafted maleic anhydride, polypropylene grafted maleic anhydride and ethylene propylene diene monomer grafted maleic anhydride.
5. The polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1, wherein the glass fiber is alkali-free glass fiber and has a diameter of 3-20 μm.
6. The polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1, wherein the coupling agent is a silane coupling agent.
7. The polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 6, wherein the silane coupling agent is at least one of gamma-aminopropyltriethoxysilane and β -3, 4-epoxycyclohexyltrimethoxysilane.
8. The polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1, wherein the cold-resistant auxiliary agent is dioctyl adipate or dioctyl sebacate, and the processing auxiliary agent is one or a mixture of silicone powder and N, N' -ethylene bis stearamide.
9. The polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1, wherein the antioxidant is a combined antioxidant of an antioxidant 323 and an antioxidant 626.
10. The preparation method of the polyamide resin composite material with good flexibility and low temperature resistance as claimed in claim 1 is characterized by comprising the following steps:
(1) mixing 80 parts by mass of nylon, 15-25 parts by mass of ABS resin, 10-20 parts by mass of compatilizer and 0.1-2 parts by mass of coupling agent for 3-5min at the speed of 180 revolutions/min, then adding 0.5-2 parts by mass of cold-resistant auxiliary agent, 0.1-1.5 parts by mass of antioxidant and 0.1-2 parts by mass of processing auxiliary agent, and continuously mixing for 5-10 min;
(2) and adding the mixture into an extruder for melting and extruding, adding 15-30 parts of glass fiber through a glass fiber port of a double-screw extruder, and extruding, cooling, drying and granulating to obtain the ultra-low temperature resistant composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385927.0A CN111073271A (en) | 2019-12-29 | 2019-12-29 | Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911385927.0A CN111073271A (en) | 2019-12-29 | 2019-12-29 | Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111073271A true CN111073271A (en) | 2020-04-28 |
Family
ID=70319166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911385927.0A Pending CN111073271A (en) | 2019-12-29 | 2019-12-29 | Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111073271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113292844A (en) * | 2021-04-15 | 2021-08-24 | 中平神马江苏新材料科技有限公司 | Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0361313A2 (en) * | 1988-09-22 | 1990-04-04 | The Dow Chemical Company | Preparation of polyamide-compositions by reactive processing |
| CN101659786A (en) * | 2009-09-22 | 2010-03-03 | 东莞市意普万工程塑料有限公司 | Nylon composite material with low fuel oil permeability rate used for fuel oil tank and preparation method thereof |
| CN101885914A (en) * | 2010-07-13 | 2010-11-17 | 东莞市意普万工程塑料有限公司 | Composite material special for automobile engine oil pan and preparation method thereof |
| CN102051046A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | PA (polyamide)/ABS (Acrylonitrile Butadiene Styrene) composite material and preparation method thereof |
| CN103044908A (en) * | 2011-10-17 | 2013-04-17 | 合肥杰事杰新材料股份有限公司 | Low-temperateure resisting PA/ABS (polyamide/acrylonitrile butadiene styrene) alloy material with high content of glass fiber and method for preparing same |
| CN103059562A (en) * | 2013-01-30 | 2013-04-24 | 上海俊尔新材料有限公司 | High-glossiness anti-warping high-strength PA6 (polyamide 6) composite material, and preparation and application thereof |
| CN106810853A (en) * | 2015-11-30 | 2017-06-09 | 合肥杰事杰新材料股份有限公司 | A kind of super low-temperature resistant nylon composite materials and preparation method thereof |
| CN107312327A (en) * | 2017-06-29 | 2017-11-03 | 上海金山锦湖日丽塑料有限公司 | A kind of nylon alloy resin composition of high heat-resistant high impact-resistant |
| CN109593356A (en) * | 2018-11-19 | 2019-04-09 | 江苏金发科技新材料有限公司 | PA66 composite material and preparation method with excellent low temperature toughness, low water absorption and high rigidity |
-
2019
- 2019-12-29 CN CN201911385927.0A patent/CN111073271A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0361313A2 (en) * | 1988-09-22 | 1990-04-04 | The Dow Chemical Company | Preparation of polyamide-compositions by reactive processing |
| CN101659786A (en) * | 2009-09-22 | 2010-03-03 | 东莞市意普万工程塑料有限公司 | Nylon composite material with low fuel oil permeability rate used for fuel oil tank and preparation method thereof |
| CN102051046A (en) * | 2009-10-30 | 2011-05-11 | 中国石油化工股份有限公司 | PA (polyamide)/ABS (Acrylonitrile Butadiene Styrene) composite material and preparation method thereof |
| CN101885914A (en) * | 2010-07-13 | 2010-11-17 | 东莞市意普万工程塑料有限公司 | Composite material special for automobile engine oil pan and preparation method thereof |
| CN103044908A (en) * | 2011-10-17 | 2013-04-17 | 合肥杰事杰新材料股份有限公司 | Low-temperateure resisting PA/ABS (polyamide/acrylonitrile butadiene styrene) alloy material with high content of glass fiber and method for preparing same |
| CN103059562A (en) * | 2013-01-30 | 2013-04-24 | 上海俊尔新材料有限公司 | High-glossiness anti-warping high-strength PA6 (polyamide 6) composite material, and preparation and application thereof |
| CN106810853A (en) * | 2015-11-30 | 2017-06-09 | 合肥杰事杰新材料股份有限公司 | A kind of super low-temperature resistant nylon composite materials and preparation method thereof |
| CN107312327A (en) * | 2017-06-29 | 2017-11-03 | 上海金山锦湖日丽塑料有限公司 | A kind of nylon alloy resin composition of high heat-resistant high impact-resistant |
| CN109593356A (en) * | 2018-11-19 | 2019-04-09 | 江苏金发科技新材料有限公司 | PA66 composite material and preparation method with excellent low temperature toughness, low water absorption and high rigidity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113292844A (en) * | 2021-04-15 | 2021-08-24 | 中平神马江苏新材料科技有限公司 | Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102276982B (en) | Polyphenylene sulfide and high-temperature-resistant nylon complex and preparation method thereof | |
| CN109651814A (en) | A kind of high activeness and quietness type polyphenyl thioether composite material and preparation method thereof | |
| KR20200142188A (en) | Method for preparing surface modified glass fiber and glass fiber reinforced polymeric composite material comprising the glass fiber | |
| CN103862589B (en) | A kind of melt blending prepares the method for polyamide-based heat-conductive composite material | |
| CN111334039A (en) | Reinforced polyamide 66 composition and method for making same | |
| CN104403258A (en) | Antiflaming reinforcing ABS composite material and preparation method thereof | |
| CN111087808A (en) | Hydrolysis-resistant high-toughness polyamide resin composite material and preparation method thereof | |
| CN105885415B (en) | A method of preparing high toughness polyphenyl thioether/ferrite composite material | |
| CN102942790A (en) | High temperature-resistant high-strength polyphenylene sulfide-based reactively reinforced and toughened composite material | |
| CN111944240A (en) | Polypropylene composite material and preparation method thereof | |
| CN113214641A (en) | Light carbon fiber reinforced PA material and preparation method thereof | |
| CN109679304B (en) | PBT/PCT composite material and preparation method and application thereof | |
| CN111423723A (en) | Reinforced polyphenylene sulfide composition for 5G and preparation method thereof | |
| CN111073271A (en) | Low-temperature-resistant polyamide resin composite material with good flexibility and preparation method thereof | |
| CN106810853B (en) | Ultra-low temperature resistant nylon composite material and preparation method thereof | |
| CN112266613A (en) | Polyphenylene sulfide composite material, preparation method thereof and injection molding part | |
| CN111363351A (en) | Polyamide 66 composition and preparation method thereof | |
| CN115181416B (en) | Polyamide engineering plastic and preparation method and application thereof | |
| CN105602244A (en) | Preparation method of glass fiber reinforced nylon | |
| CN105647177A (en) | Preparation method of ABS-toughened polyamide | |
| CN109423048A (en) | A kind of polyphenyl thioether material and preparation method thereof of organosilicon toughening modifying | |
| CN115558285A (en) | Polyamide composite material and preparation method thereof | |
| CN111057358B (en) | High-heat-resistance impact-resistance polycarbonate composition and preparation method thereof | |
| CN113956653A (en) | Aramid fiber reinforced polyamide composite material and preparation method thereof | |
| KR101621000B1 (en) | Polyamide resin composition, molded product using the same and method for preparing the same |
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: 20200428 |
|
| RJ01 | Rejection of invention patent application after publication |