CN110511563A - The method of modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite - Google Patents
The method of modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite Download PDFInfo
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- CN110511563A CN110511563A CN201910911805.4A CN201910911805A CN110511563A CN 110511563 A CN110511563 A CN 110511563A CN 201910911805 A CN201910911805 A CN 201910911805A CN 110511563 A CN110511563 A CN 110511563A
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- substrate
- carbon fiber
- modifying
- thermoplastic composite
- coupling agent
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- 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
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of carbon fiber PA66 thermoplastic composite, in particular to the method for modifying of PA66 substrate in a kind of carbon fiber PA66 thermoplastic composite.The present invention provides the following technical scheme that in a kind of carbon fiber PA66 thermoplastic composite PA66 substrate method of modifying, a, modification liquid is prepared, modification liquid includes polyether sulfone 20-25%, coupling agent 20-35%, anti-wear agent 25-30%, lubricant 5-15%, stabilizer 2-5% and antioxidant 5-10%；B, PA66 substrate is put into and impregnates mixing in the modification liquid prepared into step a；C, it will complete to implement granulating and forming in the PA66 substrate impregnated investment Granulation Equipments in step b.By adopting the above technical scheme, a kind of method of modifying of PA66 substrate in the carbon fiber PA66 thermoplastic composite that mechanical strength is stable is provided.
Description
Technical field
The present invention relates to a kind of carbon fiber PA66 thermoplastic composite, in particular to a kind of carbon fiber PA66 thermoplasticity is multiple
The method of modifying of PA66 substrate in condensation material.
Background technique
An important branch in carbon fiber PA66 thermoplastic composite composite material, since it has excellent performance, in recent years
The purposes and yield for carrying out this material gradually expand.However, the disadvantages of water absorption rate height and big shrinking percentage of PA66 nylon material, inhale
Nylon material after water has seriously affected its excellent mechanical strength and dimensionally stable, in terms of limit its application
Range.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of carbon fiber PA66 thermoplasticity that mechanical strength is stable
The method of modifying of PA66 substrate in composite material.
To achieve the above object, the present invention provides the following technical scheme that a kind of carbon fiber PA66 thermoplastic composite
The method of modifying of middle PA66 substrate, it is characterised in that: a, prepare modification liquid, modification liquid includes polyether sulfone 20-25%, coupling agent
20-35%, anti-wear agent 25-30%, lubricant 5-15%, stabilizer 2-5% and antioxidant 5-10%；B, PA66 substrate is put into step
Mixing is impregnated in the modification liquid prepared in rapid a；C, it will complete to implement to make in the PA66 substrate impregnated investment Granulation Equipments in step b
Grain molding.
Coupling agent in step a is connection silicon silane coupling agent or resin structure class coupling agent.
It is total that anti-wear agent in step a is selected from double-(3- triethoxysilane propyl)-tetrasulfide, ethylene-chlorinated
One of polymers.
Lubricant in step a include include capric acid and 60~70wt% molybdenum disulfide.
Stabilizer in step a includes 60~70wt% trimethylantimony and 30~40wt% Jie's amino crotons vinegar.It is described
Step a in antioxidant include 50~60wt% chlorocarbon -50 and 40~50wt% molybdenum diisooctyl dithiophosphate.
By adopting the above technical scheme: by the modification of modifying agent, PA66 substrate mechanical performance being promoted to be improved.Wherein,
Polyether sulfone has heat-resisting and water resistance, and anti-wear agent improves the wearability of PA66, its mechanical performance is promoted to be improved；Lubricant is then
It can promote to form good compatibility between each polymer, the work of cohesive force between polymeric inner plays and reduces polymer molecule
With so as to improve the internal frictional heat generation of plastic melt and the mobility of melt, reduction frictional force；PA66 table then can be improved in antioxidant
The inoxidizability in face, while increasing the mobility of polymer molecular chain, the crystallinity of polymer molecular chain is reduced, that is, is increased
The plasticity of polymer, shows as the hardness of polymer, modulus, softening temperature and brittle temperature decline, and elongation, flexibility and
Flexibility.
Specific embodiment
The present invention is a kind of method of modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite, and a, preparation are modified
Liquid, modification liquid include polyether sulfone 20-25%, coupling agent 20-35%, anti-wear agent 25-30%, lubricant 5-15%, stabilizer 2-5%
And antioxidant 5-10%；B, PA66 substrate is put into and impregnates mixing in the modification liquid prepared into step a；C, it will be completed in step b
Implement granulating and forming in the PA66 substrate investment Granulation Equipments of immersion.
In embodiments of the present invention, the coupling agent in step a is connection silicon silane coupling agent or resin structure class coupling agent.Step
Anti-wear agent in rapid a is selected from double-(3- triethoxysilane propyl)-tetrasulfide, one in ethylene-chlorotrifluoro-ethylene copolymer
Kind.Lubricant in step a include include capric acid and 60~70wt% molybdenum disulfide.Stabilizer in step a includes
60~70wt% trimethylantimony and 30~40wt% Jie's amino crotons vinegar.Antioxidant in the step a includes 50~
60wt% chlorocarbon -50 and 40~50wt% molybdenum diisooctyl dithiophosphate.By the modification of modifying agent, promote PA66 substrate machine
Tool performance is improved.Wherein, polyether sulfone has heat-resisting and water resistance, and anti-wear agent improves the wearability of PA66, promotes its machinery
Performance is improved；Lubricant can then promote to form good compatibility between each polymer, play reduction in polymeric inner
The effect of cohesive force between polymer molecule reduces friction so as to improve the internal frictional heat generation of plastic melt and the mobility of melt
Power；The inoxidizability on the surface PA66 then can be improved in antioxidant, while increasing the mobility of polymer molecular chain, reduces polymer
The crystallinity of strand increases the plasticity of polymer, show as hardness, modulus, softening temperature and the embrittlement temperature of polymer
Degree decline, and elongation, flexibility and flexibility.
Claims (6)
1. the method for modifying of PA66 substrate in a kind of carbon fiber PA66 thermoplastic composite, it is characterised in that: a, preparation are modified
Liquid, modification liquid include polyether sulfone 20-25%, coupling agent 20-35%, anti-wear agent 25-30%, lubricant 5-15%, stabilizer 2-5%
And antioxidant 5-10%；
B, PA66 substrate is put into and impregnates mixing in the modification liquid prepared into step a；
C, it will complete to implement granulating and forming in the PA66 substrate impregnated investment Granulation Equipments in step b.
2. the method for modifying of PA66 substrate, feature in carbon fiber PA66 thermoplastic composite according to claim 1
Be: the coupling agent in the step a is connection silicon silane coupling agent or resin structure class coupling agent.
3. the method for modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite according to claim 1 or 2, special
Sign is: the anti-wear agent in the step a is selected from double-(3- triethoxysilane propyl)-tetrasulfide, ethylene-trifluoro chlorine
One of ethylene copolymer.
4. the method for modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite according to claim 1 or 2, special
Sign is: the lubricant in the step a include include capric acid and 60~70wt% molybdenum disulfide.
5. the method for modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite according to claim 1 or 2, special
Sign is: the stabilizer in the step a includes 60~70wt% trimethylantimony and 30~40wt% Jie's amino crotons vinegar.
6. the method for modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite according to claim 1 or 2, special
Sign is: the antioxidant in the step a includes 50~60wt% chlorocarbon -50 and the thio phosphorus of 40~50wt% diisooctyl two
Sour molybdenum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910911805.4A CN110511563A (en) | 2019-09-25 | 2019-09-25 | The method of modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910911805.4A CN110511563A (en) | 2019-09-25 | 2019-09-25 | The method of modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110511563A true CN110511563A (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910911805.4A Pending CN110511563A (en) | 2019-09-25 | 2019-09-25 | The method of modifying of PA66 substrate in carbon fiber PA66 thermoplastic composite |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796758A (en) * | 2019-01-31 | 2019-05-24 | 中平神马江苏新材料科技有限公司 | A kind of PA66 modified material and preparation method thereof that stability is good |
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2019
- 2019-09-25 CN CN201910911805.4A patent/CN110511563A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109796758A (en) * | 2019-01-31 | 2019-05-24 | 中平神马江苏新材料科技有限公司 | A kind of PA66 modified material and preparation method thereof that stability is good |
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Application publication date: 20191129 |