CN108203506A - A kind of MC nylon reinforced with carbon fiber thermoplastic composite and preparation method thereof - Google Patents
A kind of MC nylon reinforced with carbon fiber thermoplastic composite and preparation method thereof Download PDFInfo
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- CN108203506A CN108203506A CN201810103961.3A CN201810103961A CN108203506A CN 108203506 A CN108203506 A CN 108203506A CN 201810103961 A CN201810103961 A CN 201810103961A CN 108203506 A CN108203506 A CN 108203506A
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- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
-
- 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
Abstract
The present invention relates to a kind of MC nylon reinforced with carbon fiber thermoplastic composites and preparation method thereof, and composite material raw material components include：Caprolactam monomer, initiator, activator, carbon fibre material.Preparation method includes：Caprolactam monomer is heated and is melted, water removal then adds in initiator and activator, is uniformly mixed and obtains treating polycondensation monomer.It will treat that polycondensation monomer is injected into using vacuum infusion molding process for compound and be preheated to being covered in the mold of carbon fiber of certain temperature, then 20 60min of anionic polymerisation in situ is carried out at 140 DEG C 200 DEG C, postcooling, demoulding, obtain MC nylon reinforced with carbon fiber thermoplastic composite.Composite material prepared by the present invention can significantly improve the physical and mechanical properties such as the tensile strength of MC nylon, bending strength, and preparation process simple and flexible, with short production cycle, be conducive to the large-scale production of MC nylon reinforced with carbon fiber thermoplastic composite.
Description
Technical field
The present invention relates to a kind of MC nylon reinforced with carbon fiber thermoplastic composites and preparation method thereof, belong to thermoplasticity and answer
Condensation material and its preparing technical field.
Background technology
Inblock cast (MC) nylon is a kind of model engineering plastic found out the 1960s, using caprolactam as
Primary raw material is directly poured by anionic polymerisation in the mold for be preheated to certain temperature and is made under normal pressure.MC nylon has
There are light weight, self-lubricating, wear-resisting, anti-corrosion, insulation, mechanical strength higher than a variety of special performances such as common nylons, be widely used in
Various fields.With further expanding for its application range, the performance of MC nylon has gone out deficiency, is prepared with fiber reinforcement
MC nylon base fiber thermoplastic composites can effectively improve the mechanical properties such as its tensile strength, bending strength.
Vacuum infusion molding process for compound (Vacuum Assisted Resin Infusion VARI)) be it is a kind of it is novel plus
Work technique, it is by the direct placed to mold of fibre reinforced materials, and placed peeling layer and Thief zone are situated between on fibre reinforced materials
Then matter is coated and is sealed with vacuum film, a kind of moulding process of reinforcing material is infused resin into and be impregnated with using negative pressure.
VARI with its low cost, high quality, the flexible advantage of process be increasingly becoming prepare large scale, big thickness complexity product it is new
Type method.
Invention content
Present invention solves the technical problem that it is：Existing thermoplastic resin is unevenly distributed in the carbon fibers, preparation process is complicated,
Production cycle is long.
In order to solve the above-mentioned technical problem, there is provided a kind of MC nylon reinforced with carbon fiber for a technical solution of the invention
Thermoplastic composite, it is characterised in that：The composite material raw material components include：Caprolactam monomer, initiator, activation
Agent, carbon fiber, wherein, the additive amount of initiator is the 0.5mol%-2.0mol% of monomer molar, and the additive amount of activator is single
The 0.5mol%-2.0mol% of body mole, the volume content of carbon fiber is between 20-65%.
Preferably, the initiator is arbitrary in sodium hydroxide, potassium hydroxide, sodium caprolactam, metallic sodium, metallic potassium
It is a kind of.
Preferably, the activator is toluene di-isocyanate(TDI), hexamethylene diisocyanate, triphenylmethane triisocyanate, two
Any one in phenylmethane diisocyanate.
Preferably, the relative viscosity of MC nylon is 2.0-6.0 in composite material.
Preferably, the carbon fiber is continuous carbon fibre or carbon fibre fabric.
There is provided a kind of above-mentioned MC nylon reinforced with carbon fiber thermoplastic composite materials for another technical solution of the present invention
The preparation method of material, including：
(1) caprolactam monomer is heated and melted, water removal then adds in initiator and activator, is uniformly mixed and is treated
Polycondensation monomer；
(2) it will treat that polycondensation monomer is injected into using vacuum infusion molding process for compound and be preheated to the mould for being covered with carbon fiber of certain temperature
In tool, anionic polymerisation 20-60min in situ is then carried out at 140 DEG C -200 DEG C, postcooling, demoulding, obtain carbon fiber increasing
Strong MC nylon thermoplastic's composite materials.
Preferably, the water removal time is 20-50min in the step (1).
Preferably, vacuum infusion molding process for compound described in the step (2), includes the following steps：It is being equipped with carbon fiber
Be laid with release cloth, water conservancy diversion seal assembly on the mold of material layer successively, the water conservancy diversion seal assembly include flow-guiding screen, diversion pipe,
Vacuum coated；The diversion pipe is connect, and the vacuum coated is sealed in mould with vacuum extractor and injecting glue pipeline respectively
On tool, and mold is preheated to 140-200 DEG C of progress priming by vacuum.
The present invention, using the method for anionic polymerisation in situ, passes through priming by vacuum using caprolactam monomer as resin matrix
Moulding process (VARI) makes caprolactam monomer in-situ polymerization on carbon fibre material prepare thermoplastic polymer, existing to solve
The problems such as thermoplastic resin is unevenly distributed in the carbon fibers, preparation process is complicated, the production cycle is long, and composite wood can be improved
The mechanical property of material.
The advantageous effect generated using above-mentioned technical proposal is：It is prepared by anionic polymerisation principle in situ to be polymerized
Liquid active material is cast to using vacuum infusion molding process for compound in the mold of preheating, and polymerization forming after adding activator, is realized
Thermoplastic resin forms good interface with carbon fibre material and is evenly distributed, and greatly improves the fiber content of product, preparation
Composite material can significantly improve the physical and mechanical properties such as the tensile strength of MC nylon, bending strength, and preparation process is simply clever
It is living, with short production cycle, be conducive to the large-scale production of MC nylon reinforced with carbon fiber thermoplastic composite.
Description of the drawings
Fig. 1 is that a kind of stress of MC nylon reinforced with carbon fiber thermoplastic composite bending strength prepared by embodiment 8 should
Become figure.
Specific embodiment
To be clearer and more comprehensible the present invention, hereby with preferred embodiment, and attached drawing is coordinated to be described in detail below.It should be understood that
These embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it should also be understood that, having read the present invention
After the content of instruction, those skilled in the art can make various modifications or changes to the present invention, and such equivalent forms are equally fallen
In the scope of the appended claims of the present application.
In embodiment 1-12：
Relative viscosity (ηr) test：Specific test method is measures concentration in the concentrated sulfuric acid of 25 ± 0.01 DEG C of 96wt%
Relative viscosity (the η of MC nylon for 0.5g/dlr), the NCY-2 produced using Shanghai Si Erda scientific instrument Co., Ltd is automatic
Viscosity meter.
Mechanics Performance Testing：ASTM E8M-09 standards are performed, tests and completes at 23 DEG C.
The assay method of carbon fiber volume content is：MC nylon reinforced with carbon fiber thermoplastic composite after polymerization is claimed
It is denoted as M again0, it is immersed in chloroform and takes out afterwards for 24 hours, is washed with deionized water only, naturally dry weighs be denoted as M again at room temperature1,
Carbon fiber density is denoted as d1, the density of polymer is denoted as d2, then carbon fiber volume content v% calculation formula be：
Embodiment 1
Preparation method：It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, in fiber
Then placed release cloth and flow-guiding screen on reinforcing material are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and
Impregnation mold is put into the baking oven that set temperature is 140 DEG C, heated, heat preservation makes impregnation mold be preheated with fiber；By 160g oneself
Lactams melts at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again very
Sky dehydration 30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize priming by vacuum
Moulding process (VARI) will treat that polycondensation monomer is injected into be preheated in 140 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain
Fiber reinforcement MC nylon composite materials.After measured, carbon fiber volume content 43%, relative viscosity 3.2, tensile strength are
190MPa, bending strength 270MPa.
Embodiment 2
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 47%, relative viscosity 3.7, tensile strength are
230MPa, bending strength 325MPa.
Embodiment 3
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 180 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 180 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 45%, relative viscosity 3.3, tensile strength are
221MPa, bending strength 313MPa.
Embodiment 4
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 200 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 200 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 42%, relative viscosity 3.4, tensile strength are
215MPa, bending strength 304MPa.
Embodiment 5
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 20min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 43%, relative viscosity 3.1, tensile strength are
194MPa, bending strength 303MPa.
Embodiment 6
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 60min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 41%, relative viscosity 3.5, tensile strength are
226MPa, bending strength 292MPa.
Embodiment 7
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 1.0mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 45%, relative viscosity 3.1, tensile strength are
202MPa, bending strength 297MPa.
Embodiment 8
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 1.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 42%, relative viscosity 3.0, tensile strength are
198MPa, bending strength 289MPa.Fig. 1 is the ess-strain of MC nylon reinforced with carbon fiber thermoplastic composite bending strength
Figure.
Embodiment 9
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 2.0mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 0.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 44%, relative viscosity 3.3, tensile strength are
187MPa, bending strength 267MPa.
Embodiment 10
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；160g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 1.0mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 46%, relative viscosity 3.2, tensile strength are
206MPa, bending strength 308MPa.
Embodiment 11
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；110g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 1.5mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 63%, relative viscosity 3.5, tensile strength are
189MPa, bending strength 276MPa.
Embodiment 12
It is about 200*200mm by length2In three layers of direct placed to mold of fibre reinforced materials, on fibre reinforced materials
Then placed release cloth and flow-guiding screen are coated and are sealed with vacuum film, vacuum pump is pumped to 50-500Pa, and by impregnation mold
It is put into the baking oven that set temperature is 160 DEG C, heats, heat preservation makes impregnation mold be preheated with fiber；320g caprolactams are existed
It is melted at 100 DEG C, vacuum dehydration 30min, is warming up to the NaOH open loops that 0.5mol% is added in after 130 DEG C, again vacuum dehydration
30min is eventually adding the toluene di-isocyanate(TDI) (TDI) of 2.0mol% and is made afterwards and treats polycondensation monomer；Utilize vacuum infusion molding work
Skill (VARI) will treat that polycondensation monomer is injected into be preheated in 160 DEG C of mold and polymerize 40min, postcooling, demoulding, obtain fiber increasing
Strong MC nylon composite materials.After measured, carbon fiber volume content 21%, relative viscosity 3.4, tensile strength are
180MPa, bending strength 273MPa.
Each performance parameter of embodiment 1-12 products obtained therefroms is as shown in table 1.
Table 1
Claims (8)
1. a kind of MC nylon reinforced with carbon fiber thermoplastic composite, it is characterised in that：The composite material raw material components include：
Caprolactam monomer, initiator, activator, carbon fiber, wherein, the additive amount of initiator is the 0.5mol%- of monomer molar
2.0mol%, the additive amount of activator are the 0.5mol%-2.0mol% of monomer molar, and the volume content of carbon fiber is between 20-
65%.
2. a kind of MC nylon reinforced with carbon fiber thermoplastic composite according to claim 1, it is characterised in that：It is described to draw
Hair agent is any one in sodium hydroxide, potassium hydroxide, sodium caprolactam, metallic sodium, metallic potassium.
3. a kind of MC nylon reinforced with carbon fiber thermoplastic composite according to claim 1, it is characterised in that：The work
Agent is toluene di-isocyanate(TDI), appointing in hexamethylene diisocyanate, triphenylmethane triisocyanate, '-diphenylmethane diisocyanate
Meaning is a kind of.
4. a kind of MC nylon reinforced with carbon fiber thermoplastic composite according to claim 1, it is characterised in that：Composite wood
The relative viscosity of MC nylon is 2.0-6.0 in material.
5. a kind of MC nylon reinforced with carbon fiber thermoplastic composite according to claim 1, it is characterised in that：The carbon
Fiber is continuous carbon fibre or carbon fibre fabric.
6. a kind of preparation method of MC nylon reinforced with carbon fiber thermoplastic composite as described in claim 1-5 is any, packet
It includes：
(1) caprolactam monomer is heated and melted, removed water, then add in initiator and activator, be uniformly mixed and obtain treating poly- list
Body；
(2) it will treat that polycondensation monomer is injected into using vacuum infusion molding process for compound and be preheated to the mold for being covered with carbon fiber of certain temperature
In, anionic polymerisation 20-60min in situ is then carried out at 140 DEG C -200 DEG C, postcooling, demoulding, obtain fibre reinforced
MC nylon thermoplastic's composite materials.
7. a kind of preparation method of MC nylon reinforced with carbon fiber thermoplastic composite according to claim 6, feature
It is：The water removal time is 20-50min in the step (1).
8. a kind of preparation method of MC nylon reinforced with carbon fiber thermoplastic composite according to claim 6, feature
It is：Vacuum infusion molding process for compound described in the step (2), includes the following steps：In the mould for being equipped with layer of carbon fiber material
Release cloth, water conservancy diversion seal assembly are laid on tool successively, the water conservancy diversion seal assembly includes flow-guiding screen, diversion pipe, vacuum coated；It will
The diversion pipe is connect respectively with vacuum extractor and injecting glue pipeline, and the vacuum coated is sealed on mold, and by mould
Tool is preheated to 140-200 DEG C of progress priming by vacuum.
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| CN110066372A (en) * | 2019-04-23 | 2019-07-30 | 常熟市江南粘合剂有限公司 | A kind of polyisocyanate nylon co-catalyst |
| CN112980013A (en) * | 2021-02-05 | 2021-06-18 | 上海瓴荣材料科技有限公司 | Preparation method of fiber-reinforced thermoplastic vehicle door anti-collision beam |
| CN113696583A (en) * | 2021-08-30 | 2021-11-26 | 河北工业大学 | Continuous fiber reinforced MC nylon plate, preparation method and preparation system |
| CN115433454A (en) * | 2022-07-28 | 2022-12-06 | 江苏新华东尼龙有限公司 | High-strength injection molding nylon material and preparation method thereof |
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| CN112980013A (en) * | 2021-02-05 | 2021-06-18 | 上海瓴荣材料科技有限公司 | Preparation method of fiber-reinforced thermoplastic vehicle door anti-collision beam |
| CN113696583A (en) * | 2021-08-30 | 2021-11-26 | 河北工业大学 | Continuous fiber reinforced MC nylon plate, preparation method and preparation system |
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