CN106633857A - High heat resistance and wear resistance glass fiber enhanced nylon material for engine and preparation method - Google Patents
High heat resistance and wear resistance glass fiber enhanced nylon material for engine and preparation method Download PDFInfo
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- CN106633857A CN106633857A CN201611188506.5A CN201611188506A CN106633857A CN 106633857 A CN106633857 A CN 106633857A CN 201611188506 A CN201611188506 A CN 201611188506A CN 106633857 A CN106633857 A CN 106633857A
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- glass fiber
- coupling agent
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- nylon material
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- C08K2201/003—Additives being defined by their diameter
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention provides a high heat resistance and wear resistance glass fiber enhanced nylon material for an engine and a preparation method. The material is prepared from the following materials in percentage by mass: 35%-75% of high-temperature-resistance nylon resin, 18%-50% of glass fiber, 0.5%-1% of an antioxidant, 0.5%-1% of a thermal stabilizer, 5%-15% of a maleic anhydride copolymer, 0.5%-1% of a glass fiber exposure preventer and 0.5%-2% of silicone master batch. The existing glass fiber enhanced nylon material in China hardly meets the harsh requirements of various parts of an automobile engine, particularly special components such as an engine oil bottom cover and an air intake pipe. The glass fiber enhanced nylon material provided by the invention has the advantages of high heat resistance, high wear resistance, high corrosion resistance, high strength and the like and can adapt to use environments of various peripheral parts of the automobile engine; furthermore, the use range of the glass fiber enhanced nylon material in the automobile industry is greatly expanded.
Description
Technical field
The present invention relates to a kind of electromotor high heat-resisting, wear-resisting glass fiber reinforced nylon material and preparation method, belong to high score
Sub- engineering plastic modification and processing and forming field.
Technical background
Nylon also known as polyamide, be on molecular backbone containing recurring amide radical group-[NHCO]-thermoplastic resin general name.
With good combination property, including high intensity, thermostability, wear resistance, chemical proofing and self lubricity, it is easy to process
Deng.Especially HTPA high-temperature nylons（It is commonly called as PPA）With more excellent combination property, in terms of heat, electricity, physics and chemical resistance
There is good performance, particularly still there is at high temperature high rigidity and high intensity and splendid dimensional accuracy and stability,
HTPA also has good processability, can carry out processing and forming using traditional injection machine and mould.This causes HTPA in vapour
The field such as car, electric, mechanical engineering is owned by being widely applied prospect.
At present, automobile industry is increasingly urgent to the demand of high heat-resisting, high abrasion, high-strength nylon material, many enterprises and
R＆D institution all does a lot of work in the exploitation of glass fiber reinforced nylon material, but the glass fiber reinforced nylon material of most exploitations
Performance be difficult to meet the rigors of automotive engine component, or be only used for the fairly simple portion such as engine decorative lid
Part, it is impossible to be applied to the parts such as oily bottom and air inlet pipe, significantly limit glass fiber enhanced nylon in automobile engine periphery
The application of part.
The content of the invention
The purpose of the present invention is to prepare a kind of glass fiber reinforced nylon material of automobile engine its Surrounding Parts, possesses height
The advantages of heat-resisting, high abrasion, highly corrosion resistant, high intensity, the use environment of the various parts of automobile engine can be met, be opened up significantly
Use of the exhibition glass fiber reinforced nylon material in automobile industry.
The solution of the present invention is as follows：A kind of electromotor heat-resisting, wear-resisting glass fiber reinforced nylon material of height, by quality percentage
Than steady comprising 35 ~ 75% high temperature resistant nylon resins, 18 ~ 50% glass fibre, 0.5 ~ 1% antioxidant, 0.5 ~ 1% heat in the material
Determine agent, 5 ~ 15% copolymer-maleic anhydrides, 0.5 ~ 1% anti-glass emergence on the surface agent, 0.5 ~ 2% silicone master batch.
The high temperature resistant nylon resin be nylon 46, poly- paraphenylene terephthalamide's decamethylene diamine, poly- paraphenylene terephthalamide oneself
One or more combination in diamidogen-CO- hexamethylene adipamide copolymers, poly-paraphenylene terephthalamide's nonamethylene diamine.
The high temperature resistant nylon resin relative viscosity is between 1.5 ~ 4.0.
The glass fibre be diameter between 15 ~ 18 μm, the special chopped alkali-free of the modified nylon of Jing coupling agent treatment
Glass fibre, the coupling agent is silane coupling agent.
The silane coupling agent be amino silicane coupling agent, epoxy silane coupling, folded amino silicane coupling agent, third
The combination of one or more in alkenyl silanes coupling agent and vinyl silicane coupling agent.
The heat stabilizer is fatty acid compound, organic tin compound, organic Pb compound, inorganic lead class
One or more combination in compound.
The copolymer-maleic anhydride is the one kind in styrene-maleic anhydride copolymer, ethylene maleic acid anhydride copolymer
Or both combination.
After graft reaction, its anhydride content is 15 ~ 35% to described copolymer-maleic anhydride.
The anti-glass emergence on the surface agent is to introduce form low point after modified with polar on the basis of ethylene bis-fatty acid amides
The one class compound or the mixture by both composition described above in this class compound of son amount BAB type copolymer structures.
The antioxidant is N, N'- is double-(3- (3,5- di-tert-butyl-hydroxy phenyls) propiono) hexamethylene diamine and 1,
3,5- tri- (the 4- tert-butyl group -3- hydroxyl -2,6- dimethyl benzyls) -1,3,5- triazine -2,4,6- (1H, 3H, 5H)-triketone it is mixed
Compound.
The silicone master batch is with 50% polyolefin as carrier.
The preparation method of glass fiber reinforced nylon material of the present invention is as follows：
1. first high temperature resistant nylon resin dried into more than 4h in 105 DEG C of baking ovens, it is standby.
2. by high temperature resistant nylon resin, antioxidant, heat stabilizer, anti-glass emergence on the surface agent, copolymer-maleic anhydride according to matching somebody with somebody
Mass percent precise in side, adds mix blending 3 minutes in pot at room temperature.
3. the main feed mouth of the material Jing double screw extruders after blending is added with certain speed and mixed in extruder
Refining, while the glass charging aperture of glass fibre Jing double screw extruders is passed through into extrusion in extruder, cooling, pelletizing, squeezes
Out-of-machine temperature is 230 ~ 300 DEG C.
Beneficial effects of the present invention：Glass fiber reinforced nylon material prepared by the present invention, its excellent effect is derived from：First, make
High performance auxiliary agent is carried with performance functional group is conducive to（As embodied in above-mentioned formula）；2nd, the phase of nylon and glass is improved
Capacitive, embodies the excellent properties of glass and nylon.Possess high heat-resisting, high intensity, high abrasion, highly corrosion resistant, material surface
Well, without advantages such as floating fibres, the use requirement of automobile engine periphery various parts can be met.And process is simple, it is easy to operate,
Benefit is high, is appropriate to industrialized production.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to case study on implementation to present invention work
It is described in further detail,
Embodiment 1：
A kind of glass fiber reinforced nylon material, weighs by mass percentage, 45 parts of high-temperature nylons 6（Viscosity 2.6）, 45 parts of glass fibers
Dimension, 0.5 part of antioxidant, 0.5 part of heat stabilizer, 9 parts of copolymer-maleic anhydrides, 0.5 part of anti-glass emergence on the surface agent, 1% silicone master batch.
Its preparation method：By the high-temperature nylon resin in formula, antioxidant, heat stabilizer, anti-glass emergence on the surface agent, maleic acid
Anhydride copolymer adds be blended in mixing pot at room temperature according to mass percent precise, takes after blending is uniform
Go out, the main feed mouth of Jing double screw extruders is added with certain speed and kneaded in extruder, while by glass Jing twin screw
The glass charging aperture of extruder is passed through extrusion in extruder, cooling, pelletizing, and extruder temperature is 230 ~ 300 DEG C.
Embodiment 2：
A kind of glass fiber reinforced nylon material, weighs by mass percentage, 53.4 parts of high temperature resistant nylons 6（Viscosity 2.6）, 38 parts of glass
Fiber, 0.5 part of antioxidant, 0.5 part of heat stabilizer, 7.6 parts of copolymer-maleic anhydrides, 0.5 part of anti-glass emergence on the surface agent, 1% silicone
Master batch.
Its preparation method：By the high-temperature nylon resin in formula, antioxidant, heat stabilizer, anti-glass emergence on the surface agent, maleic acid
Anhydride copolymer adds be blended in mixing pot at room temperature according to mass percent precise, takes after blending is uniform
Go out, the main feed mouth of Jing double screw extruders is added with certain speed and kneaded in extruder, while by glass Jing twin screw
The glass charging aperture of extruder is passed through extrusion in extruder, cooling, pelletizing, and extruder temperature is 230 ~ 300 DEG C.
Embodiment 3：
A kind of glass fiber reinforced nylon material, weighs by mass percentage, 63 parts of high temperature resistant nylons 6（Viscosity 2.6）, 30 parts of glass fibers
Dimension, 0.5 part of antioxidant, 0.5 part of heat stabilizer, 6 parts of copolymer-maleic anhydrides, 0.5 part of anti-glass emergence on the surface agent, 1% silicone master batch.
Its preparation method：By the high-temperature nylon resin in formula, antioxidant, heat stabilizer, anti-glass emergence on the surface agent, maleic acid
Anhydride copolymer adds be blended in mixing pot at room temperature according to mass percent precise, takes after blending is uniform
Go out, the main feed mouth of Jing double screw extruders is added with certain speed and kneaded in extruder, while by glass Jing twin screw
The glass charging aperture of extruder is passed through extrusion in extruder, cooling, pelletizing, and extruder temperature is 230 ~ 300 DEG C.
Embodiment 4：
A kind of glass fiber reinforced nylon material, weighs by mass percentage, 72.6 parts of high temperature resistant nylons 6（Viscosity 2.6）, 22 parts of glass
Fiber, 0.5 part of antioxidant, 0.5 part of heat stabilizer, 5 parts of copolymer-maleic anhydrides, 0.5 part of anti-glass emergence on the surface agent, 1% silicone are female
Grain.
Its preparation method：By the high-temperature nylon resin in formula, antioxidant, heat stabilizer, anti-glass emergence on the surface agent, maleic acid
Anhydride copolymer adds be blended in mixing pot at room temperature according to mass percent precise, takes after blending is uniform
Go out, the main feed mouth of Jing double screw extruders is added with certain speed and kneaded in extruder, while by glass Jing twin screw
The glass charging aperture of extruder is passed through extrusion in extruder, cooling, pelletizing, and extruder temperature is 230 ~ 300 DEG C.
Main performance is tested：The product produced is according to standard system（GB）Into standard testing batten, every test is carried out, its
The performance test results are as shown in table 1.
Table 1
According to table 1 it is known that using the preparation-obtained product of technical scheme, with good mechanical property,
Especially possess high heat distortion temperature and high-moduluss.Copolymer-maleic anhydride is added in material of the present invention, glass is effectively reduced
Fine surface polarity, improves the compatibility of glass and nylon, so as to reduce floating fine and warping phenomenon of the glass in material surface, greatly
The fineness that improve material surface.The material compared with conventional glass fiber reinforced nylon material, possess high heat-resisting, high abrasion and
The advantages such as high intensity, can be used for the part of automobile engine such as oily bottom, engine decorative lid, cooling and radiating, expand significantly
Use range of the glass fiber reinforced nylon material in automobile industry.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention not by above-described embodiment
Limit, other any spirit and the changes, modification, replacement made under principle without departing from the present invention, combine, simplification all should
For equivalent substitute mode, it is included within protection scope of the present invention.
Claims (11)
1. a kind of electromotor is with high heat-resisting, wear-resisting glass fiber reinforced nylon material, it is characterised in that：By mass percentage, the material
In material comprising 35 ~ 75% high temperature resistant nylon resins, 18 ~ 50% glass fibre, 0.5 ~ 1% antioxidant, 0.5 ~ 1% heat stabilizer, 5 ~
15% copolymer-maleic anhydride, 0.5 ~ 1% anti-glass emergence on the surface agent, 0.5 ~ 2% silicone master batch.
2. the material according to claim 1, it is characterised in that：The high temperature resistant nylon resin is poly hexamethylene adipamide fourth two
Amine, poly- paraphenylene terephthalamide's decamethylene diamine, poly- hexamethylene terephthalamide-CO- hexamethylene adipamide copolymers, poly- paraphenylene terephthalamide
One or more combination in nonamethylene diamine.
3. according to the material described in claim 2, it is characterised in that：The high temperature resistant nylon resin relative viscosity is 1.5 ~ 4.0
Between.
4. material according to claim 1, it is characterised in that：The glass fibre is diameter between 15 ~ 18 μm, and Jing is coupled
The special chopped alkali-free glass fibre of modified nylon that agent is processed, the coupling agent is silane coupling agent.
5. material according to claim 4, it is characterised in that：The silane coupling agent is amino silicane coupling agent, ring
One kind in TMOS coupling agent, folded amino silicane coupling agent, acrylsilanes coupling agent and vinyl silicane coupling agent or
Various combinations.
6. material according to claim 1, it is characterised in that：The heat stabilizer is fatty acid compound, organotin
One or more combination in class compound, organic Pb compound, inorganic Pb compound.
7. material according to claim 1：It is characterized in that：The copolymer-maleic anhydride is common for phenylethylene-maleic anhydride
The combination of one or both of polymers, ethylene maleic acid anhydride copolymer.
8. according to claim 7 material it is characterized in that：Described copolymer-maleic anhydride is after graft reaction, and it is sour
Acid anhydride content is 15 ~ 35%.
9. material according to claim 1, it is characterised in that：The anti-glass emergence on the surface agent is in ethylene bis-fatty acid amides base
Introduce on plinth and a class compound of low-molecular-weight BAB type copolymer structure is formed after modified with polar or by this class compound
The mixture of both composition described above.
10. material according to claim 1, it is characterised in that：The antioxidant is N, N'- is double-(3- (the tertiary fourths of 3,5- bis-
Base -4- hydroxy phenyls) propiono) hexamethylene diamine and 1,3,5- tri- (the 4- tert-butyl group -3- hydroxyl -2,6- dimethyl benzyls) -1,3,5-
The mixture of triazine -2,4,6- (1H, 3H, 5H)-triketone.
11. materials according to claim 1, it is characterised in that：The silicone master batch is with 50% polyolefin as carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611188506.5A CN106633857A (en) | 2016-12-21 | 2016-12-21 | High heat resistance and wear resistance glass fiber enhanced nylon material for engine and preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611188506.5A CN106633857A (en) | 2016-12-21 | 2016-12-21 | High heat resistance and wear resistance glass fiber enhanced nylon material for engine and preparation method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200924A (en) * | 2017-07-10 | 2017-09-26 | 海南新美特科技有限公司 | A kind of technological process of air inlet pipe development ＆ production |
| CN108165003A (en) * | 2017-12-26 | 2018-06-15 | 重庆普利特新材料有限公司 | A kind of high content of glass fiber enhancing high-temperature nylon composite material and preparation method thereof |
| CN108892946A (en) * | 2018-05-25 | 2018-11-27 | 东莞市众新材料科技有限公司 | A kind of wear-resisting high-temperature nylon composite material and preparation method |
| CN109593352A (en) * | 2018-11-13 | 2019-04-09 | 惠州市沃特新材料有限公司 | Ultralow water suction cold-resistant, wear-resisting nylon composite materials and its preparation method and application |
| CN110408193A (en) * | 2019-08-14 | 2019-11-05 | 东莞拓步特高分子材料有限公司 | Halogen-free flameproof high-temperature nylon |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531812A (en) * | 2008-10-30 | 2009-09-16 | 上海耐特复合材料制品有限公司 | Nylon 66 heat resistant hydrolysis-level thermoplastic engineering plastic |
| CN101613527A (en) * | 2009-07-29 | 2009-12-30 | 东莞市意普万工程塑料有限公司 | A kind of alcoholysis resistance nylon composite material and preparation method thereof |
| CN102786793A (en) * | 2012-07-25 | 2012-11-21 | 金发科技股份有限公司 | Modified nylon material and its preparation method |
-
2016
- 2016-12-21 CN CN201611188506.5A patent/CN106633857A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531812A (en) * | 2008-10-30 | 2009-09-16 | 上海耐特复合材料制品有限公司 | Nylon 66 heat resistant hydrolysis-level thermoplastic engineering plastic |
| CN101613527A (en) * | 2009-07-29 | 2009-12-30 | 东莞市意普万工程塑料有限公司 | A kind of alcoholysis resistance nylon composite material and preparation method thereof |
| CN102786793A (en) * | 2012-07-25 | 2012-11-21 | 金发科技股份有限公司 | Modified nylon material and its preparation method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200924A (en) * | 2017-07-10 | 2017-09-26 | 海南新美特科技有限公司 | A kind of technological process of air inlet pipe development ＆ production |
| CN108165003A (en) * | 2017-12-26 | 2018-06-15 | 重庆普利特新材料有限公司 | A kind of high content of glass fiber enhancing high-temperature nylon composite material and preparation method thereof |
| CN108892946A (en) * | 2018-05-25 | 2018-11-27 | 东莞市众新材料科技有限公司 | A kind of wear-resisting high-temperature nylon composite material and preparation method |
| CN109593352A (en) * | 2018-11-13 | 2019-04-09 | 惠州市沃特新材料有限公司 | Ultralow water suction cold-resistant, wear-resisting nylon composite materials and its preparation method and application |
| CN110408193A (en) * | 2019-08-14 | 2019-11-05 | 东莞拓步特高分子材料有限公司 | Halogen-free flameproof high-temperature nylon |
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Application publication date: 20170510 |