CN106905692A - A kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high and its technology of preparing - Google Patents
A kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high and its technology of preparing Download PDFInfo
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- CN106905692A CN106905692A CN201710150373.0A CN201710150373A CN106905692A CN 106905692 A CN106905692 A CN 106905692A CN 201710150373 A CN201710150373 A CN 201710150373A CN 106905692 A CN106905692 A CN 106905692A
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- carbon fiber
- composite materials
- chopped carbon
- grade heat
- nylon composite
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/15—Heterocyclic compounds having oxygen in the ring
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
Abstract
Injection grade heat-resisting chopped carbon fiber nylon composite materials high, are prepared from by weight by following component：120 parts of resin matrix, 20 parts of carbon fiber, 0~1 part of coupling agent, 0.05~0.5 part of antioxidant, 0.05~0.25 part of lubricant, 0.05~0.25 part of crown ether.Its advantage is as follows：Crown ether is wind-tunnel shape network, with extremely strong wearability, therefore selects crown ether modified carbon fiber composite, and the wearability of composite can be improved on the premise of carbon fiber is not sheared；The overall heat resistance of composite is further improved simultaneously；Resin content in composite system is effectively reduced, solid concentration is increased in material forming process, shrinkage factor is reduced, so as to improve overall dimensions stability；Effectively reduce the integrated cost of composite；Preparation process is simple, is suitable to large-scale industrial production.
Description
Technical field
The present invention relates to be molded production field, and in particular to a kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high
And its technology of preparing.
Background technology
The fiber that carbon fiber is made up of more than 90 percent carbon, it is swollen with high specific strength, high ratio modulus and heat
The features such as swollen coefficient is small, it can be used for the tip such as Aero-Space, electronic apparatus after base material is compound with resin, metal or ceramics etc. and learns
The high-end product of section, it can also be used to the emerging field such as drilling platforms, construction material and wind-power electricity generation.Wherein carbon fiber modifying polyamides
, in the aspect excellent performance such as mechanical strength, but with the application and popularization of carbon fibre material, it is in price, wear-resisting for amine composite
It is many-sided with Stress calculation etc. to be subject to certain limitation, it is badly in need of solving.And crown ether is to be currently known intensity highest in fiber
One kind, to have been reported that and assign the larger mechanical strength of material and heat resistance come modified thermoplastic material with it；In addition crown ether diameter
It is micron level, without obvious fatigue effect in application process, the wearability and shaping speed of composite can be significantly improved.
The present invention innovatively uses crown ether modified carbon fiber composite, and keeping, carbon fibre composite is high performance while significantly
Dimensional stability, wearability and the heat resistance of composite are improved, while the introducing of crown ether can effectively reduce carbon fiber using
Amount, reduces material production cost, and the pollution to environment is significantly reduced while reduced cost.In addition material involved in the present invention
Material preparation process is simple, prepared composite has high abrasion, heat-resisting and excellent dimensional stability high, preparation technology letter
It is single, it is suitable to large-scale industrial production.
Crown ether, is the macrocyclic polyether containing multiple-OCH2CH2-construction unit in molecule.Common crown ether has 15-
Crown- 5,18- crown-s 6, the void structure of crown ether have selection index system, and catalyst can be made in organic reaction.
The content of the invention
It is modified with crown ether the invention provides injection grade heat-resisting chopped carbon fiber nylon composite materials high and preparation method thereof
Carbon fibre composite, keep carbon fibre composite it is high performance and meanwhile greatly improve the dimensional stability of composite,
Wearability and heat resistance.
Injection grade heat-resisting chopped carbon fiber nylon composite materials high, are prepared from by weight by following component：Resin base
120 parts of body, 20 parts of carbon fiber, 0.05~0.25 part of crown ether, 0~1 part of coupling agent, 0.05~0.5 part of antioxidant,
0.05~0.25 part of lubricant.
Further scheme, described resin matrix is preferably nylon 6 or nylon66 fiber.
Described carbon fiber is the chopped carbon fiber of length 4-10mm.
Described coupling agent is γ-aminopropyl triethoxysilane or γ-(oxygen of 2,3- epoxies third) propyl group trimethoxy
Base silane.
Described antioxidant is N, N'- is double-(3- (3,5- di-t-butyl -4- hydroxy phenyls) propiono) hexamethylene diamine,
Three [2.4- di-tert-butyl-phenyls] phosphite esters and double（2,4-two cruel bases）Two kinds in pentaerythritol diphosphites.
Described lubricant is ethylidine bis-stearamides or pentaerythritol stearate.
Another goal of the invention of the invention is to provide above-mentioned injection grade heat-resisting chopped carbon fiber nylon composite materials system high
Preparation Method, comprises the following steps：（1）By 120 parts of resin matrix, 20 parts of carbon fiber, 0.05~0.25 part of crown ether, coupling agent
0.05~0.25 part of 0~1 part, 0.05~0.5 part of antioxidant and lubricant are placed in high-speed mixer stirring together
5~15min of dispersion；（2）By the raw material after dispersion by extruder, through melting, plasticizing, extrusion, cooling, pelletizing and packaging
Afterwards, that is, injection grade heat-resisting chopped carbon fiber nylon composite materials high are obtained.
Injection grade heat-resisting chopped carbon fiber nylon composite materials high of the present invention, keeping, carbon fibre composite is high performance
Dimensional stability, wearability and the heat resistance of composite are greatly improved simultaneously, and its advantage is as follows：
Crown ether is wind-tunnel shape network, with extremely strong wearability, therefore selects crown ether modified carbon fiber composite, can be with
The wearability of composite is improved on the premise of carbon fiber is not sheared；The entirety for further improving composite simultaneously is heat-resisting
Property；Resin content in composite system is effectively reduced, solid concentration is increased in material forming process, reduce shrinkage factor, from
And improve overall dimensions stability；Effectively reduce the integrated cost of composite；Preparation process is simple, is suitable to heavy industrialization
Production.
Specific embodiment
Present invention is further detailed with reference to instantiation, but the embodiment is not to this hair
The simple restriction of bright connotation, any simple change or equivalent based on done by true spirit all should belong to
Within scope of the present invention.
Specific embodiment of the invention is as follows：
Example 1
（1）Raw material is equipped with the following proportions：120 parts of 6 resin matrix of nylon, 20 parts of carbon fiber, 0.25 part of crown ether, coupling agent
0.5 part of γ-aminopropyl triethoxysilane, antioxidant N, N'- pair-(3- (3,5- di-t-butyl -4- hydroxy phenyls) third
Acyl group) 0.02 part of hexamethylene diamine, 0.03 part of antioxidant three [2.4- di-tert-butyl-phenyls] phosphite ester, lubricant ethylidine
0.05 part of bis-stearamides；
（2）Above-mentioned raw materials are placed in high-speed mixer dispersed with stirring 10min together；
（3）By the raw material after dispersion by extruder, through melting, plasticizing, extrusion, cooling, pelletizing and packaging after, that is, injection is obtained
Level heat-resisting chopped carbon fiber nylon composite materials high.
Example 2
（1）Raw material is equipped with the following proportions：120 parts of 6 resin matrix of nylon, 20 parts of carbon fiber, 0.05 part of crown ether, coupling agent
1 part of γ-aminopropyl triethoxysilane, antioxidant N, N'- pair-(3- (3,5- di-t-butyl -4- hydroxy phenyls) propionyl
Base) 0.05 part of hexamethylene diamine, 0.08 part of antioxidant three [2.4- di-tert-butyl-phenyls] phosphite ester, lubricant ethylidine pair
0.15 part of stearmide；
（2）Above-mentioned raw materials are placed in high-speed mixer dispersed with stirring 15min together；
（3）By the raw material after dispersion by extruder, through melting, plasticizing, extrusion, cooling, pelletizing and packaging after, that is, injection is obtained
Level heat-resisting chopped carbon fiber nylon composite materials high.
Example 3
（1）Raw material is equipped with the following proportions：120 parts of 6 resin matrix of nylon, 20 parts of carbon fiber, 0.2 part of crown ether, coupling agent
1.5 parts of γ-aminopropyl triethoxysilane, antioxidant N, N'- pair-(3- (3,5- di-t-butyl -4- hydroxy phenyls) third
Acyl group) 0.1 part of hexamethylene diamine, 0.12 part of antioxidant three [2.4- di-tert-butyl-phenyls] phosphite ester, lubricant ethylidine pair
0.25 part of stearmide；
（2）Above-mentioned raw materials are placed in high-speed mixer dispersed with stirring 20min together；
（3）By the raw material after dispersion by extruder, through melting, plasticizing, extrusion, cooling, pelletizing and packaging after, that is, injection is obtained
Level heat-resisting chopped carbon fiber nylon composite materials high.
Example 4
（1）Raw material is equipped with the following proportions：120 parts of 6 resin matrix of nylon, 20 parts of carbon fiber, 0.1 part of crown ether, coupling agent γ-
2 parts of aminopropyl triethoxysilane, antioxidant N, N'- pair-(3- (3,5- di-t-butyl -4- hydroxy phenyls) propiono)
0.15 part of hexamethylene diamine, 0.18 part of antioxidant three [2.4- di-tert-butyl-phenyls] phosphite ester, lubricant ethylidine is double stearic
0.35 part of acid amides；
（2）Above-mentioned raw materials are placed in high-speed mixer dispersed with stirring 25min together；
（3）By the raw material after dispersion by extruder, through melting, plasticizing, extrusion, cooling, pelletizing and packaging after, that is, injection is obtained
Level heat-resisting chopped carbon fiber nylon composite materials high.
Example 5
（1）Raw material is equipped with the following proportions：120 parts of 6 resin matrix of nylon, 20 parts of carbon fiber, 0.05 part of crown ether, coupling agent
3 parts of γ-aminopropyl triethoxysilane, antioxidant N, N'- pair-(3- (3,5- di-t-butyl -4- hydroxy phenyls) propionyl
Base) 0.2 part of hexamethylene diamine, 0.3 part of antioxidant three [2.4- di-tert-butyl-phenyls] phosphite ester, lubricant ethylidine pair is firmly
0.5 part of acyl amine；
（2）Above-mentioned raw materials are placed in high-speed mixer dispersed with stirring 30min together；
（3）By the raw material after dispersion by extruder, through melting, plasticizing, extrusion, cooling, pelletizing and packaging after, that is, injection is obtained
Level heat-resisting chopped carbon fiber nylon composite materials high.
Performance evaluation
| Testing standard | Tensile strength Mpa | Elongation at break % | Impact strength Mpa (breach) | Bending strength Mpa | Elastic modelling quantity Mpa | Rockwell hardness | Heat distortion temperature DEG C | |
| ISO | 150 | 6 | 8 | 190 | 7900 | 1.4 | 110 | 210~220 |
| ISO | 151 | 6 | 8 | 188 | 7850 | 1.3 | 110 | 210~220 |
| ISO | 150 | 7 | 9 | 190 | 7900 | 1.4 | 120 | 210~220 |
| ISO | 155 | 7 | 9 | 195 | 7950 | 1.5 | 120 | 210~225 |
| ISO | 160 | 8 | 8 | 190 | 7950 | 1.5 | 121 | 215~230 |
Claims (7)
1. a kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high, it is characterised in that：Made by weight by following components
It is standby to form：120 parts of resin matrix, 20 parts of carbon fiber, 0~1 part of coupling agent, 0.05~0.5 part of antioxidant, lubricant
0.05~0.25 part, 0.05~0.25 part of crown ether.
2. a kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high according to claim 1, it is characterised in that：
Described resin matrix is nylon 6 or nylon66 fiber.
3. a kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high according to claim 1, it is characterised in that：
Described carbon fiber is the chopped carbon fiber of length 4-10mm.
4. a kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high according to claim 1, it is characterised in that：
Described coupling agent is γ-aminopropyl triethoxysilane or γ-(oxygen of 2,3- epoxies third) propyl trimethoxy silicane.
5. a kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high according to claim 1, it is characterised in that：
Described antioxidant is N, N'- couples-(3- (3,5- di-t-butyl -4- hydroxy phenyls) propiono) hexamethylene diamine, three [2.4-
Di-tert-butyl-phenyl] phosphite ester and double（2,4-two cruel bases）Two kinds in pentaerythritol diphosphites.
6. a kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high according to claim 1, it is characterised in that：
Described lubricant is ethylidine bis-stearamides or pentaerythritol stearate.
7. a kind of technology of preparing of injection grade heat-resisting chopped carbon fiber nylon composite materials high as described in claim 1, its
It is characterised by：Comprise the following steps：（1）By 120 parts of resin matrix, 20 parts of carbon fiber, 0.05~0.25 part of crown ether, coupling
0.05~0.25 part of 0~1 part of agent, 0.05~0.5 part of antioxidant and lubricant are placed in high-speed mixer and stir together
Mix 5~15min of dispersion；（2）By the raw material after dispersion by extruder melting, plasticizing, extrusion, cooling, pelletizing and packaging
Afterwards, that is, injection grade heat-resisting chopped carbon fiber nylon composite materials high are obtained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710150373.0A CN106905692A (en) | 2017-03-14 | 2017-03-14 | A kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high and its technology of preparing |
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|---|---|---|---|
| CN201710150373.0A CN106905692A (en) | 2017-03-14 | 2017-03-14 | A kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high and its technology of preparing |
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| CN106905692A true CN106905692A (en) | 2017-06-30 |
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| CN201710150373.0A Pending CN106905692A (en) | 2017-03-14 | 2017-03-14 | A kind of injection grade heat-resisting chopped carbon fiber nylon composite materials high and its technology of preparing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172903A (en) * | 2020-06-22 | 2021-07-27 | 中国石化集团胜利石油管理局有限公司电力分公司 | Preparation process of resin carbon fiber composite material |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993710A (en) * | 2012-11-30 | 2013-03-27 | 余姚市中发工程塑料有限公司 | Special material for carbon fiber-reinforced polyamide gear and preparation method thereof |
| CN103450668A (en) * | 2013-08-07 | 2013-12-18 | 上海日之升新技术发展有限公司 | High-strength carbon fiber reinforced halogen-free flame-retardant PA6 (Polyamide) composite material and preparation method thereof |
| CN104177823A (en) * | 2014-08-12 | 2014-12-03 | 上海交通大学 | Carbon fiber reinforced nylon 6 resin composite material and preparation method thereof |
| CN104479329A (en) * | 2014-12-19 | 2015-04-01 | 上海锦湖日丽塑料有限公司 | PC/ABS (polycarbonate/acrylonitrile butadiene styrene)material containing metal ioninhibitor |
-
2017
- 2017-03-14 CN CN201710150373.0A patent/CN106905692A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102993710A (en) * | 2012-11-30 | 2013-03-27 | 余姚市中发工程塑料有限公司 | Special material for carbon fiber-reinforced polyamide gear and preparation method thereof |
| CN103450668A (en) * | 2013-08-07 | 2013-12-18 | 上海日之升新技术发展有限公司 | High-strength carbon fiber reinforced halogen-free flame-retardant PA6 (Polyamide) composite material and preparation method thereof |
| CN104177823A (en) * | 2014-08-12 | 2014-12-03 | 上海交通大学 | Carbon fiber reinforced nylon 6 resin composite material and preparation method thereof |
| CN104479329A (en) * | 2014-12-19 | 2015-04-01 | 上海锦湖日丽塑料有限公司 | PC/ABS (polycarbonate/acrylonitrile butadiene styrene)material containing metal ioninhibitor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172903A (en) * | 2020-06-22 | 2021-07-27 | 中国石化集团胜利石油管理局有限公司电力分公司 | Preparation process of resin carbon fiber composite material |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180319 Address after: 313199 Zhejiang city of Huzhou province Changxing County Huaxi Chu Road No. 8 Lotus Street Applicant after: Long Zhi Yao (Zhejiang) new Mstar Technology Ltd Address before: 215000 Fen Lake Road, Suzhou, Suzhou, Jiangsu Province, No. 558 Applicant before: SUZHOU LONGZHI YAOXIN MATERIALS CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170630 |
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| RJ01 | Rejection of invention patent application after publication |