CN105542448A - High-performance carbon fiber reinforced polyamide composite material and preparation method thereof - Google Patents

High-performance carbon fiber reinforced polyamide composite material and preparation method thereof Download PDF

Info

Publication number
CN105542448A
CN105542448A CN201511020544.5A CN201511020544A CN105542448A CN 105542448 A CN105542448 A CN 105542448A CN 201511020544 A CN201511020544 A CN 201511020544A CN 105542448 A CN105542448 A CN 105542448A
Authority
CN
China
Prior art keywords
carbon fiber
composite material
reinforced polyamide
polyamide composite
fiber reinforced
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
Application number
CN201511020544.5A
Other languages
Chinese (zh)
Inventor
张海生
陈萌
陈永东
张祥福
周文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Pret Composites Co Ltd
Original Assignee
Shanghai Pret Composites Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Pret Composites Co Ltd filed Critical Shanghai Pret Composites Co Ltd
Priority to CN201511020544.5A priority Critical patent/CN105542448A/en
Publication of CN105542448A publication Critical patent/CN105542448A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C08L77/02Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

Abstract

The invention discloses a high-performance carbon fiber reinforced polyamide composite material, which comprises the following components in percentage by weight: 60-85% of polyamide resin, 3-10% of flexibilizer and 10-30% of surface functionalized carbon fiber. The high-performance carbon fiber reinforced polyamide composite material has the beneficial effects that 1. the surface carboxyl functionalization of carbon fiber is realized, the surface structure of the carbon fiber is not damaged in the whole reaction process, the self mechanical property of the carbon fiber is not influenced, and the compatibility between the carbon fiber and a resin matrix can be improved by introducing the surface carboxyl functional group of the carbon fiber; and 2. the interface unsticking phenomenon caused by thermal expansion, water diffusion and other factors can be effectively prevented, and the carbon fiber reinforced polyamide composite material can be guaranteed to have high mechanical property conservation rate in an environment of high temperature and high humidity.

Description

A kind of high performance carbon fiber reinforced polyamide composite material and preparation method thereof
Technical field
The present invention relates to a kind of high performance carbon fiber reinforced polyamide composite material, and the preparation method of this matrix material.The carbon fiber of carboxyl-functional and polymeric amide compound is specifically utilized to prepare high performance composite.
Background technology
Polymeric amide is the general name of the family macromolecule polymkeric substance containing the amide group (-CONH-) repeated in the molecular chain by diamine and diprotic acid or the polycondensation of amino acid lactan or autohemagglutination.According to the diprotic acid of synthon and the difference of diamine or amino acid institute carbon atom quantity, polymeric amide can be divided into PA6, PA66, PA610, PA46, PA1010, PA612, PA1212, PA6T, PA9T etc.Wherein PA6 and PA66 accounts for more than 90% of polymeric amide total amount.Polymeric amide has the characteristic energy such as excellent mechanical property, thermal characteristics, chemical resistance, self lubricity, optical property, electrical property, creep resistance, meet automobile component especially engine circumferential component to the requirement of material property, therefore, polymeric amide and matrix material thereof have very important application at auto industry field.
Carbon fiber CF is as the high performance strongthener of one, there is the features such as high specific strength, specific modulus, high temperature resistant, corrosion-resistant, good stability of the dimension, the features such as the matrix material prepared with polymeric amide compound has antifatigue, wear-resistant, corrosion-resistant, thermal expansivity is little, molding processibility is good, carbon fiber reinforced polyamide high performance composite can alternative metals realize to mould Dai Gang on some automobile component, alleviate vehicle weight, reduce discharge aspect and play very important effect.
But carbon fiber surface presents unreactiveness, poor with the consistency of resin matrix after preparing matrix material, the excellent properties of matrix material is caused effectively not play, so need to carry out modification to carbon fiber surface before preparing matrix material, but traditional electrochemical modification, chemical oxidation modification, the methods such as x ray irradiation x modification are generally utilize oxidizing species or be oxidized carbon fiber surface under special environment, carbon fiber surface is made to produce more polar functional group, although aforesaid method effectively can improve the consistency of carbon fiber and resin matrix, increase the mechanical property of matrix material, but the surface tissue of carbon fiber is destroyed in the environment of strong oxidizing property, new defect is produced on the surface of carbon fiber, cause the mechanical property reduction to a certain extent of carbon fiber, so a kind of desirable carbon fiber surface modification method is under the prerequisite not changing carbon fiber surface structure, polar functional group is increased at carbon fiber surface, increase the interface binding power between carbon fiber and resin matrix.
Summary of the invention
The invention provides a kind of high performance carbon fiber reinforced polyamide composite material and preparation method thereof, under the prerequisite not changing carbon fiber surface structure, more carboxyl functional group is produced at carbon fiber surface, increase the interface binding power between carbon fiber and resin matrix, and prepare high performance carbon fiber reinforced polyamide composite material.
The technical problem that the present invention proposes for solution, the technical scheme of employing is:
A kind of high performance carbon fiber reinforced polyamide composite material, it comprises the following formula according to weight percent:
Polyamide resin 60 ~ 85%;
Toughner 3 ~ 10%;
Surface-functionalized carbon fiber 10 ~ 30%.
Described surface-functionalized carbon fiber is that carbon fiber surface is through carboxyl-functional process.Its concrete treatment scheme is as follows:
By the impurity of carbon fiber with acetone cleaning removing surface, above-mentioned carbon fiber is reacted 2h in Michaelis acid with the solution of ethylbenzene solvent composition, with washes of absolute alcohol several after reaction, dry 6h in the vacuum environment of 80 DEG C, for subsequent use, obtain the carbon fiber after surface carboxyl functionalized process.Wherein said carbon fiber is tap density > 420g/cm 3, slice length is the chopped carbon fiber of 6-12mm, the substance withdrawl syndrome that described Michaelis acid and ethylbenzene form solution is 0.05mol/L.Described polyamide resin is one or more among PA6, PA66, PA610, PA46, PA1010, PA612, PA1212, PA6T, PA9T, is known and can be obtained by multiple commercial source.
Described toughner is maleic anhydride stem grafting polyolefin elastomerics, is known and can be obtained by multiple commercial source.
Also the functional aids such as lubricant, flow ability modifying agent, oxidation inhibitor, weighting agent can be comprised in described matrix material.
The invention provides a kind of preparation method of high performance carbon fiber reinforced polyamide composite material, comprise the following steps:
(1) each raw material after dry bath is taken by formula rate; And the raw material homogenizer except surface-functionalized carbon fiber is mixed;
(2) the main spout of above-mentioned mixing raw material from twin screw extruder is added, the side spout of surface-functionalized carbon fiber from twin screw extruder being added, through melt extruding, granulation, obtaining described carbon fiber reinforced polyamide composite material after the operation such as drying treatment.
Compared with prior art, advantage of the present invention is: on the one hand surface treatment of carbon fibers be utilize carbon fiber surface to carry hydroxy functional group as the carbonylic carbon atom in the acid of nucleophilic species attack Michaelis, the attack that carbonylic carbon atom in Michaelis acid is subject to nucleophilic species is easy to cause ring-opening reaction, generate propanedioic acid (ester), thus realize carbon fiber surface carboxyl-functional, whole reaction process can not destroy the structure of carbon fiber surface, the mechanical property of of carbon fiber itself can not be affected, the introducing of carbon fiber surface carboxyl functional group can improve the consistency between carbon fiber and resin matrix.Interface binding power between the increase carbon fiber that the increase of carbon fiber and polyamide-compatible can be effective on the other hand and resin matrix, effectively can prevent the generation of the interfacial detachment phenomenon caused because of the factor such as thermal expansion, moisture diffusion, the mechanical property conservation rate that carbon fiber reinforced polyamide composite material still keeps higher under the environment such as high temperature, high humidity can be ensured.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearly, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
Embodiments of the invention adopt following materials:
Polymeric amide: PA6, Rui Meifu Industrial Co., Ltd., solution solvent viscosity ratio 2.4, is tested by Ubbelohde viscometer and obtains;
Toughner: maleic anhydride stem grafting polyolefin elastomerics, the rising molecule novel material Science and Technology Ltd. of Nantong day;
Lubricant: silicone powder, technical grade, commercially available;
Ethylbenzene: analytical pure (AR), commercially available;
Oxidation inhibitor: Hinered phenols antioxidant 1010, CIBA company of Switzerland;
Oxidation inhibitor: three [2.4-di-tert-butyl-phenyl] phosphorous acid ester 168, commercially available.
Carbon fiber: chopped carbon fiber, tap density > 420g/cm 3, slice length 6-12mm;
Michaelis acid: analytical pure (AR), West Asia, Shandong chemical reagent company limited produces
The ethylbenzene solution of Michaelis acid, is configured to certain density solution by Michaelis acid dissolve in certain ethylbenzene.
Product performance testing method:
Melt mass flow index (melting index): by ISO1133-1 method, 220 DEG C, test under 5kg load.
Tensile property: by ISO527-2 method, trial speed 5mm/min.
Bending property: by ISO178-1 method, trial speed 2mm/min.
High temperature ageing: the standard batten prepared is positioned in the convection oven of 180 DEG C, aging 120h, test stretches, bending property, with Data Comparison under standard conditions, calculates conservation rate;
Hydrothermal aging: standard testing batten is positioned over 90 DEG C, in the constant-temperature constant-humidity environment of 95% relative humidity, places 24h, test stretches, bending property, with Data Comparison under standard conditions, calculates conservation rate;
Poach is aging: placed by standard testing batten in the distilled water reflux of boiling, lasting placement 12h, and test stretches, bending property, with Data Comparison under standard conditions, calculates conservation rate.
Embodiment 1:
The chopped carbon fiber of 0.3g is placed on 110 DEG C, in the Michaelis acid/ethylbenzene solution of 0.05mol/L, reaction 2h, after reaction with washes of absolute alcohol for several times, in the vacuum environment of 80 DEG C, dry 6h obtains surface carboxyl functionalized carbon fiber;
Take polyamide resin 2.52kg, at 100 DEG C, dry 4h, take toughner 0.15kg, antioxidant 1010 and 168 each 7.5g, lubricant 15g mixes in homogenizer, obtains resin compound;
The resin compound mixed is joined twin screw extruder by main spout, and (screw diameter is 35mm, length-to-diameter ratio is L/D=36) in, carbon fiber after surface carboxyl functionalized process joins forcing machine by side spout, twin screw extruder each section of control temperature (exporting to head from charging opening) is 220 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, twin screw extruder rotating speed is 380r/min, the material strip extruded cools through tank, after forced air drying agent drying, pelletizing obtains product.
Above-mentioned materials is injection molded into standard bar in air dry oven after 110 DEG C of dry 4h at the temperature of 245 DEG C.By the mechanical property batten of injection formed at 23 DEG C, 50%RH, place after 24h carries out status adjustment and test, then standard batten is placed in respectively damp and hot, high temperature, poach three kinds of test environments according to requirement of experiment process, process and be positioned over 50%RH, place in the environment of 23 DEG C after 24 hours and test, obtain damp and hot, high temperature, the poach performance of standard batten, above test result is in table 1.
Embodiment 2:
The chopped carbon fiber of 0.6g is placed on 110 DEG C, in the Michaelis acid/ethylbenzene solution of 0.05mol/L, reaction 2h, after reaction with washes of absolute alcohol for several times, in the vacuum environment of 80 DEG C, dry 6h obtains surface carboxyl functionalized carbon fiber;
Take polyamide resin 2.22kg, at 100 DEG C, dry 4h, take toughner 0.15kg, antioxidant 1010 and 168 each 7.5g, lubricant 15g mixes in homogenizer, obtains resin compound;
The resin compound mixed is joined twin screw extruder by main spout, and (screw diameter is 35mm, length-to-diameter ratio is L/D=36) in, carbon fiber after surface carboxyl functionalized process joins forcing machine by side spout, twin screw extruder each section of control temperature (exporting to head from charging opening) is 220 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, twin screw extruder rotating speed is 380r/min, the material strip extruded cools through tank, after forced air drying agent drying, pelletizing obtains product.
Above-mentioned materials is injection molded into standard bar in air dry oven after 110 DEG C of dry 4h at the temperature of 245 DEG C.By the mechanical property batten of injection formed at 23 DEG C, 50%RH, place after 24h carries out status adjustment and test, then standard batten is placed in respectively damp and hot, high temperature, poach three kinds of test environments according to requirement of experiment process, process and be positioned over 50%RH, place in the environment of 23 DEG C after 24 hours and test, obtain damp and hot, high temperature, the poach performance of standard batten, above test result is in table 1.
Embodiment 3:
The chopped carbon fiber of 0.6g is placed on 110 DEG C, in the Michaelis acid/ethylbenzene solution of 0.05mol/L, reaction 1h, after reaction with washes of absolute alcohol for several times, in the vacuum environment of 80 DEG C, dry 6h obtains surface carboxyl functionalized carbon fiber;
Take polyamide resin 2.22kg, at 100 DEG C, dry 4h, take toughner 0.15kg, antioxidant 1010 and 168 each 7.5g, lubricant 15g mixes in homogenizer, obtains resin compound;
The resin compound mixed is joined twin screw extruder by main spout, and (screw diameter is 35mm, length-to-diameter ratio is L/D=36) in, carbon fiber after surface carboxyl functionalized process joins forcing machine by side spout, twin screw extruder each section of control temperature (exporting to head from charging opening) is 220 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, twin screw extruder rotating speed is 380r/min, the material strip extruded cools through tank, after forced air drying agent drying, pelletizing obtains product.
Above-mentioned materials is injection molded into standard bar in air dry oven after 110 DEG C of dry 4h at the temperature of 245 DEG C.By the mechanical property batten of injection formed at 23 DEG C, 50%RH, place after 24h carries out status adjustment and test, then standard batten is placed in respectively damp and hot, high temperature, poach three kinds of test environments according to requirement of experiment process, process and be positioned over 50%RH, place in the environment of 23 DEG C after 24 hours and test, obtain damp and hot, high temperature, the poach performance of standard batten, above test result is in table 1.
Embodiment 4:
The chopped carbon fiber of 0.9g is placed on 110 DEG C, in the Michaelis acid/ethylbenzene solution of 0.05mol/L, reaction 2h, after reaction with washes of absolute alcohol for several times, in the vacuum environment of 80 DEG C, dry 6h obtains surface carboxyl functionalized carbon fiber;
Take polyamide resin 1.92kg, at 100 DEG C, dry 4h, take toughner 0.15kg, antioxidant 1010 and 168 each 7.5g, lubricant 15g mixes in homogenizer, obtains resin compound;
The resin compound mixed is joined twin screw extruder by main spout, and (screw diameter is 35mm, length-to-diameter ratio is L/D=36) in, carbon fiber after surface carboxyl functionalized process joins forcing machine by side spout, twin screw extruder each section of control temperature (exporting to head from charging opening) is 220 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, twin screw extruder rotating speed is 380r/min, the material strip extruded cools through tank, after forced air drying agent drying, pelletizing obtains product.
Above-mentioned materials is injection molded into standard bar in air dry oven after 110 DEG C of dry 4h at the temperature of 245 DEG C.By the mechanical property batten of injection formed at 23 DEG C, 50%RH, place after 24h carries out status adjustment and test, then standard batten is placed in respectively damp and hot, high temperature, poach three kinds of test environments according to requirement of experiment process, process and be positioned over 50%RH, place in the environment of 23 DEG C after 24 hours and test, obtain damp and hot, high temperature, the poach performance of standard batten, above test result is in table 1.
Comparative example 1:
Get the carbon fiber 0.6kg after non-surface treatment;
Take polyamide resin 1.92kg, at 100 DEG C, dry 4h, take toughner 0.15kg, antioxidant 1010 and 168 each 7.5g, lubricant 15g mixes in homogenizer, obtains resin compound;
The resin compound mixed is joined twin screw extruder by main spout, and (screw diameter is 35mm, length-to-diameter ratio is L/D=36) in, untreated carbon fiber joins forcing machine by side spout, twin screw extruder each section of control temperature (exporting to head from charging opening) is 220 DEG C, 230 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, 235 DEG C, twin screw extruder rotating speed is 380r/min, and the material strip extruded pelletizing after tank cooling, forced air drying agent drying obtains product.
Above-mentioned materials is injection molded into standard bar in 110 DEG C of dryings after 4 hours in air dry oven at the temperature of 245 DEG C.By the mechanical property batten of injection formed at 23 DEG C, 50%RH, place after 24h carries out status adjustment and test, then standard batten is placed in respectively damp and hot, high temperature, poach three kinds of test environments according to requirement of experiment process, process and be positioned over 50%RH, place in the environment of 23 DEG C after 24 hours and test, obtain damp and hot, high temperature, the poach performance of standard batten, above test result is in table 1.
Table 1: the performance test results.
As can be seen from data shown in table, carbon fiber surface is through carboxyl-functional process, the carboxyl functional group on surface accounts for the ratio increase of oxygen-containing functional group, embodiment 2 and comparative example 1 can find out that carbon fiber surface is through carboxyl-functional process, the mechanical property of carbon fiber reinforced polyamide composite material increases by more than 10%, embodiment 2 and embodiment 3 can be found out, the increase that surface-bound carboxylic content accounts for oxygen-containing functional group ratio effectively can increase the performance of carbon fiber reinforced polyamide composite material.After carbon fiber reinforced polyamide composite material experienced by high temperature, damp and hot, poach three kinds of ageing environment, the mechanical property conservation rate of carbon fiber reinforced polyamide composite material is different at different conditions.Viewed from the correlation data form, the Effect on Mechanical Properties of high temperature ageing to carbon fiber reinforced polyamide composite material is less, tensile strength, flexural strength, the conservation rate of modulus in flexure is all more than 85%, carbon fibre reinforced composite is at high temperature, under the condition of high humidity, from table, the data of comparative example 1 can find out that mechanical property conservation rate without surface carboxyl functionalized process is between 50 ~ 60%, and carbon fiber surface is through carboxyl-functional process, the conservation rate of mechanical property obviously increases, this shows that present method effectively can improve the bonding force between carbon fiber and polymeric amide, increase matrix material mechanical property and at high temperature, mechanical property conservation rate in high humidity environment.

Claims (7)

1. a high performance carbon fiber reinforced polyamide composite material, is characterized in that: comprise following raw material by weight percentage:
Polyamide resin 60 ~ 85%;
Toughner 3 ~ 10%;
Surface-functionalized carbon fiber 10 ~ 30%.
2. the high performance carbon fiber reinforced polyamide composite material of one according to claim 1, is characterized in that: described surface-functionalized carbon fiber be carbon fiber surface through carboxyl-functional process, its concrete treatment scheme is as follows:
By the impurity of carbon fiber with acetone cleaning removing surface, above-mentioned carbon fiber is reacted 2h in Michaelis acid with the solution of ethylbenzene solvent composition, with washes of absolute alcohol several after reaction, dry 6h in the vacuum environment of 80 DEG C, for subsequent use, obtain the carbon fiber after surface carboxyl functionalized process.
3. the high performance carbon fiber reinforced polyamide composite material of one according to claim 2, is characterized in that: wherein said carbon fiber is tap density > 420g/cm 3, slice length is the chopped carbon fiber of 6-12mm, the substance withdrawl syndrome that described Michaelis acid and ethylbenzene form solution is 0.05mol/L.
4. the high performance carbon fiber reinforced polyamide composite material of one according to claim 1, is characterized in that: described polyamide resin is one or more among PA6, PA66, PA610, PA46, PA1010, PA612, PA1212, PA6T, PA9T.
5. the high performance carbon fiber reinforced polyamide composite material of one according to claim 1, is characterized in that: described toughner is maleic anhydride stem grafting polyolefin elastomerics.
6. the high performance carbon fiber reinforced polyamide composite material of one according to claim 1, is characterized in that: also can comprise other functional aids in described matrix material.
7., according to the preparation method of one of any described high-performance carbon fibre reinforced polyamide matrix material of claim 1-6, it is characterized in that: comprise the following steps:
(1) each raw material after dry bath is taken by formula rate; And the raw material homogenizer except surface-functionalized carbon fiber is mixed;
(2) the main spout of above-mentioned mixing raw material from twin screw extruder is added, the side spout of surface-functionalized carbon fiber from twin screw extruder being added, through melt extruding, granulation, obtaining described carbon fiber reinforced polyamide composite material after the operation such as drying treatment.
CN201511020544.5A 2015-12-30 2015-12-30 High-performance carbon fiber reinforced polyamide composite material and preparation method thereof Pending CN105542448A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511020544.5A CN105542448A (en) 2015-12-30 2015-12-30 High-performance carbon fiber reinforced polyamide composite material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511020544.5A CN105542448A (en) 2015-12-30 2015-12-30 High-performance carbon fiber reinforced polyamide composite material and preparation method thereof

Publications (1)

Publication Number Publication Date
CN105542448A true CN105542448A (en) 2016-05-04

Family

ID=55822028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201511020544.5A Pending CN105542448A (en) 2015-12-30 2015-12-30 High-performance carbon fiber reinforced polyamide composite material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105542448A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106566244A (en) * 2016-11-04 2017-04-19 上海普利特复合材料股份有限公司 High-flowability and good-surface carbon fibre reinforced nylon 66 composite material and preparation method thereof
CN110802761A (en) * 2019-06-05 2020-02-18 杭州巨星科技股份有限公司 Preparation method of carbon fiber composite material and product
CN111234130A (en) * 2020-03-25 2020-06-05 陕西科技大学 Michelic acid modified polycarboxylic acid high-efficiency water reducing agent and preparation method thereof
CN114541139A (en) * 2020-11-27 2022-05-27 洛阳尖端技术研究院 Modified carbon fiber material and preparation method thereof, flame-retardant material and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102181150A (en) * 2011-03-24 2011-09-14 北京化工大学 Waste carbon fiber reinforced nylon 6 composite material and preparation method thereof
CN103788632A (en) * 2013-12-17 2014-05-14 浙江普利特新材料有限公司 High-rigidity high-durability carbon fiber enhanced polyamide composite material and preparation method thereof
WO2014207765A2 (en) * 2013-06-25 2014-12-31 Council Of Scientific And Industrial Research Synthesis of functionalized carbon microspheres and their catalyst activity in c-o and c-n bond formation reactions

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102181150A (en) * 2011-03-24 2011-09-14 北京化工大学 Waste carbon fiber reinforced nylon 6 composite material and preparation method thereof
WO2014207765A2 (en) * 2013-06-25 2014-12-31 Council Of Scientific And Industrial Research Synthesis of functionalized carbon microspheres and their catalyst activity in c-o and c-n bond formation reactions
CN103788632A (en) * 2013-12-17 2014-05-14 浙江普利特新材料有限公司 High-rigidity high-durability carbon fiber enhanced polyamide composite material and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
GREGORY J. EHLERT ET AL.: "Carboxyl functionalization of carbon fibers through a grafting reaction that preserves fiber tensile strength", 《CARBON》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106566244A (en) * 2016-11-04 2017-04-19 上海普利特复合材料股份有限公司 High-flowability and good-surface carbon fibre reinforced nylon 66 composite material and preparation method thereof
CN110802761A (en) * 2019-06-05 2020-02-18 杭州巨星科技股份有限公司 Preparation method of carbon fiber composite material and product
CN111234130A (en) * 2020-03-25 2020-06-05 陕西科技大学 Michelic acid modified polycarboxylic acid high-efficiency water reducing agent and preparation method thereof
CN111234130B (en) * 2020-03-25 2023-08-29 安新县金运化工原料有限公司 Mi's acid modified polycarboxylic acid high-efficiency water reducer and preparation method thereof
CN114541139A (en) * 2020-11-27 2022-05-27 洛阳尖端技术研究院 Modified carbon fiber material and preparation method thereof, flame-retardant material and preparation method thereof

Similar Documents

Publication Publication Date Title
KR102150906B1 (en) High melt flow peak compositions
CN105542448A (en) High-performance carbon fiber reinforced polyamide composite material and preparation method thereof
CN103154140B (en) Method for producing thermoplastic resin composition, thermoplastic resin composition, and molded product
CN103788632B (en) Carbon fiber reinforced polyamide composite material of a kind of high rigidity, high-durability and preparation method thereof
EP2731996B2 (en) Use of a polyamide chain extending compound as a stabilizing agent
CN103289301B (en) Friction material
CN105625016A (en) Method for depositing oxidized graphene on surface of carbon fiber and polyamide composite material containing carbon fiber
CN112608594B (en) Polyamide composition and preparation method and application thereof
CN107325541A (en) High apparent composite of high-strength nylon 6 of high glass and preparation method thereof
CN105062069B (en) Wear-resisting modified polyimide composite and preparation method thereof
CN102399394A (en) High-surface thermal oxidative ageing-resistant glass fiber reinforced polypropylene composite material and preparation method thereof
CN103992637A (en) Toughened reinforced nylon 6 ternary composite material and preparation method thereof
CN107365494B (en) PA6/PC/PBT ternary alloy material and preparation method thereof
CN101891936B (en) Preparation method of composite material based on epoxy resin and phosphazene nanotubes
CN103897331B (en) A kind of Heat-conduction polyformaldehyde composite material and preparation method thereof
CN110903640A (en) High-fluidity high-impact-resistance nylon material and preparation method thereof
CN104804415A (en) Hydrolysis-resisting glass fiber reinforced polyamide composite and preparation method thereof
KR20140005398A (en) Poly-amide resin composition
CN102634209A (en) Preparation method of polyphenylene sulfide modified composite aggregate
CN104725820A (en) High-weather-resistance glass fiber reinforced PC composite material and preparation method thereof
CN104672841A (en) Glass fiber reinforced PC composite material
JP2008285534A (en) Resol-type phenolic resin having affinity to hydrophobic organic material
CN113897029B (en) Glass fiber reinforced plastic prepreg for high-speed fan blade
CN104672865A (en) Carbon-fiber-reinforced PC/PET (polycarbonate/polyethylene terephthalate) alloy and preparation method thereof
CN106928703A (en) Coaseries kaolin/PA66T composites 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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20160504