CN109796758A - A kind of PA66 modified material and preparation method thereof that stability is good - Google Patents
A kind of PA66 modified material and preparation method thereof that stability is good Download PDFInfo
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- CN109796758A CN109796758A CN201910097111.1A CN201910097111A CN109796758A CN 109796758 A CN109796758 A CN 109796758A CN 201910097111 A CN201910097111 A CN 201910097111A CN 109796758 A CN109796758 A CN 109796758A
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Abstract
The invention discloses a kind of good PA66 modified material of stability, the material including following parts by weight: 60~70 parts by weight of PA66 resin；12~15 parts by weight of polyether sulfone；6~8 parts by weight of macromolecular fibre；2~4 parts by weight of anti-wear agent；3~5 parts by weight of lubricant；2~4 parts by weight of stabilizer；6~8 parts by weight of filler；3~5 parts by weight of antioxidant；1~3 parts by weight of vinyl three (beta-methoxy ethyoxyl) silane.The good PA66 modified material of stability of the invention improves the internal structure of PA66 plastics, with excellent mechanical strength and dimensional stability by optimizing to its chemical component in microcosmic degree.
Description
Technical field
The present invention relates to a kind of polymeric material field, more particularly to a kind of good PA66 modified material of stability and its
Preparation method.
Background technique
Nylon66 fiber (PA66) is the earliest synthetic fibers of development, is most important product in polyamide-based, can both make fibre
Dimension, can also make engineering plastics.PA66 because of its good comprehensive performance, as intensity is high, rigidity is good, shock resistance, oil resistant and chemicals,
Wear-resisting and self-lubrication is good etc., be widely used in gear, bearing, fan blade, bicycle part, automobile industry spare and accessory parts,
Electric, precision engineering product, medical treatment, sports apparatus etc..
Due to nylon material water absorption rate height and big shrinking percentage the disadvantages of, it is excellent that the nylon material after water suction has seriously affected its
Mechanical strength and dimensionally stable, in terms of limit its scope of application.
Summary of the invention
In view of the above shortcomings, it is an object of the invention to develop the good PA66 modified material of a stability, tool
There are excellent mechanical strength and dimensional stability.
Technical solution of the present invention is summarized as follows:
A kind of PA66 modified material that stability is good, wherein the material including following parts by weight:
Preferably, the good PA66 modified material of the stability, wherein the macromolecular fibre include 30~
40wt% polypropylene fibre and 60~70wt% acid fiber by polylactic.
Preferably, the good PA66 modified material of the stability, wherein the anti-wear agent is selected from double-(tri- ethoxy of 3-
Base silane propyl)-tetrasulfide, one of ethylene-chlorotrifluoro-ethylene copolymer.
Preferably, the good PA66 modified material of the stability, wherein the lubricant includes 30~40wt% sheep
Cerinic acid and 60~70wt% molybdenum disulfide.
Preferably, the good PA66 modified material of the stability, wherein the stabilizer includes 60~70wt% tri-
Methyl antimony and 30~40wt% Jie's amino crotons vinegar.
Preferably, the good PA66 modified material of the stability, wherein the filler includes 20~30wt% glass
Fiber and 70~80wt% bentonite.
Preferably, the good PA66 modified material of the stability, wherein the antioxidant includes 50~60wt% chlorine
Hydrocarbon -50 and 40~50wt% molybdenum diisooctyl dithiophosphate.
Preferably, the good PA66 modified material of the stability, wherein further include the poly- decanedioic acid of 1~3 parts by weight
Propylene glycol ester.
A kind of preparation method for the PA66 modified material that stability is good, wherein the following steps are included:
1) each raw material is weighed by the weight proportion as described in claim 1~8；
2) by PA66 resin, polyether sulfone, macromolecular fibre, anti-wear agent, lubricant, stabilizer, filler, antioxidant, ethylene
(beta-methoxy ethyoxyl) silane of base three and poly- decanedioic acid propylene glycol ester are in 200-300r/min mixing 15-20min formation mixture
Material；
3) mixed material is squeezed out, is granulated, obtains product.
Preferably, the preparation method of the good PA66 modified material of the stability squeezes out and uses double screw extruder,
Mixed material each section of temperature in double screw extruder is respectively as follows: 200-210 DEG C of an area, 240-250 DEG C of 2nd area, three area 270-
280 DEG C, 250-260 DEG C of 4th area, 280-290 DEG C of head, residence time are 4~6min；Pressure is 10~15Mpa.
The beneficial effects of the present invention are:
(1) the good PA66 modified material of stability of the invention, by being optimized to its chemical component, in microcosmic degree
The upper internal structure for improving PA66 plastics, with excellent mechanical strength and dimensional stability.
(2) present invention using PA66 as main body, this case is introduced in main material have heat resistance water-tolerant polyether sulfone with
Light resistance shrinks small fiber；Double-(3- triethoxysilane propyl)-tetrasulfide and ethylene-chlorotrifluoro-ethylene copolymer are made
For the preferred anti-wear agent of this case, PA66 physical and mechanical property can be made to be improved, wear-resisting property is improved significantly, and can mention
The processing performance of high PA66；Capric acid, molybdenum disulfide collaboration are used as lubricant, have good compatibility with polymer, it is poly-
Cohesive force between playing a part of reducing polymer molecule inside object is closed, so as to improve the internal frictional heat generation and melt of plastic melt
Mobility reduces frictional force；Trimethylantimony and Jie's amino crotons vinegar collaboration be used as stabilizer, improve PA6 heat resistance and
Antioxygenic property；Chlorocarbon -50 and molybdenum diisooctyl dithiophosphate and PA66 plastics have good compatibility and compatibility, make
The antioxygen property for obtaining PA66 plastics reaches best；Poly- decanedioic acid propylene glycol ester weakens the secondary valence between polymer molecule and is good for, and increases
The mobility of polymer molecular chain reduces the crystallinity of polymer molecular chain, that is, increases the plasticity of polymer, shows as gathering
Hardness, modulus, softening temperature and the brittle temperature for closing object decline, and elongation, flexibility and flexibility.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
This case proposes a kind of PA66 modified material that stability is good, wherein the material including following parts by weight:
PA66 resin has intensity high, and resilience is good, and wearability is high, resistance to multiple morphotropism and fatigue durability it is good but fast light,
Poor heat resistance, water absorption rate height and shrinking percentage are big；In order to make up these defects, this case introduces in main material has heat resistance water resistance
Good polyether sulfone and light resistance shrinks small fiber.
As the another embodiment of this case, wherein macromolecular fibre include 30~40wt% polypropylene fibre and 60~
70wt% acid fiber by polylactic.Polypropylene fibre intensity is high, elasticity is good, wear-resisting, corrosion-resistant, and stability is good；Acid fiber by polylactic is resistance to
The good contraction of optical property is small.
As the another embodiment of this case, wherein anti-wear agent is selected from double-(3- triethoxysilane propyl)-tetrasulfide, second
One of alkene-chlorotrifluoroethylene.Double-(3- triethoxysilane propyl)-tetrasulfide and ethylene-chlorinated
Copolymer can be such that PA66 physical and mechanical property is improved, wear-resisting property is obviously mentioned as the preferred anti-wear agent of this case
Height, and the processing performance of PA66 can be improved.
As the another embodiment of this case, wherein lubricant includes 30~40wt% capric acid and 60~70wt% curing
Molybdenum.Why lubricant can play lubricating action, be the addition because of it, reduce the friction of plastic melt, capric acid, molybdenum disulfide
There is good compatibility with polymer, its cohesive force between polymeric inner plays a part of reduction polymer molecule, to change
The internal frictional heat generation of kind plastic melt and the mobility of melt, reduce frictional force.
As the another embodiment of this case, wherein stabilizer includes 60~70wt% trimethylantimony and 30~40wt% Jie's ammonia
Base crotons vinegar.Trimethylantimony and the collaboration of Jie's amino crotons vinegar are used as stabilizer, improve the heat resistance and inoxidizability of PA6
Energy.
As the another embodiment of this case, wherein filler includes 20~30wt% glass fibre and 70~80wt% bentonite.
Low with water absorption rate, shrinking percentage is small, the PA66 plastics of high temperature resistance in order to obtain, and this case introduces again there is collaboration to play inhale
Water rate is low, shrinking percentage is small, the glass fibre and bentonite of high temperature resistance, wherein glass fibre has low water absorption outstanding
And high temperature resistance, bentonite have excellent high temperature resistance.
As the another embodiment of this case, wherein antioxidant includes 50~60wt% chlorocarbon -50 and 40~50wt% bis- different pungent
Base molybdenum dithiophosphate.Chlorocarbon -50 can eliminate peroxy radical and alkoxy free group, and can inhibit light degradation；Diisooctyl two
The antioxygenic property and corrosion resistance of PA66 plastics, chlorocarbon -50 and diisooctyl phosphordithiic acid can be improved in thiophosphoric acid molybdenum
Molybdenum and PA66 plastics have good compatibility and compatibility, so that the antioxygen property of PA66 plastics reaches best.
As the another embodiment of this case, wherein further include the poly- decanedioic acid propylene glycol ester of 1~3 parts by weight.Poly- decanedioic acid third
Diol ester weakens the secondary valence between polymer molecule and is good for, and increases the mobility of polymer molecular chain, reduces polymer molecular chain
Crystallinity, that is, increase the plasticity of polymer, show as the hardness of polymer, modulus, softening temperature and brittle temperature decline,
And elongation, flexibility and flexibility.
A kind of preparation method for the PA66 modified material that stability is good, wherein the following steps are included:
1) each raw material is weighed by weight ratio；
2) by PA66 resin, polyether sulfone, macromolecular fibre, anti-wear agent, lubricant, stabilizer, filler, antioxidant, ethylene
(beta-methoxy ethyoxyl) silane of base three and poly- decanedioic acid propylene glycol ester are in 200-300r/min mixing 15-20min formation mixture
Material；
3) mixed material is squeezed out, is granulated, obtains product.
As the another embodiment of this case, squeezes out and use double screw extruder, mixed material is each section in double screw extruder
Temperature be respectively as follows: 200-210 DEG C of an area, 240-250 DEG C of 2nd area, 270-280 DEG C of 3rd area, 250-260 DEG C of 4th area, head 280-
290 DEG C, the residence time is 4~6min；Pressure is 10~15Mpa.
The specific embodiment and comparative example being listed below:
Embodiment 1:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, double-(3- triethoxysilane propyl)-four
Sulfide, capric acid, molybdenum disulfide, trimethylantimony, Jie's amino crotons vinegar, glass fibre, bentonite, chlorocarbon -50 two are different pungent
Base molybdenum dithiophosphate, poly- decanedioic acid propylene glycol ester, (beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester
Mixed material is formed in 200r/min mixing 15min；
3) mixed material is squeezed out, squeezes out and use double screw extruder, mixed material is in double screw extruder
In each section of temperature be respectively as follows: 200 DEG C of an area, 240 DEG C of 2nd area, 270 DEG C of 3rd area, 250 DEG C of 4th area, 280 DEG C of head, residence time
For 4min；Pressure is 10Mpa, is granulated, obtains product.
Embodiment 2:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, ethylene-chlorotrifluoro-ethylene copolymer, sheep wax
Acid, molybdenum disulfide, trimethylantimony, Jie's amino crotons vinegar, glass fibre, bentonite, -50 diisooctyl phosphordithiic acid of chlorocarbon
Molybdenum, poly- decanedioic acid propylene glycol ester, (beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester are mixed in 220r/min
It closes 18min and forms mixed material；
3) mixed material is squeezed out, squeezes out and use double screw extruder, mixed material is in double screw extruder
In each section of temperature be respectively as follows: 200 DEG C of an area, 245 DEG C of 2nd area, 272 DEG C of 3rd area, 255 DEG C of 4th area, 280 DEG C of head, residence time
For 5min；Pressure is 12Mpa, is granulated, obtains product.
Embodiment 3:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, ethylene-chlorotrifluoro-ethylene copolymer, sheep wax
Acid, molybdenum disulfide, trimethylantimony, Jie's amino crotons vinegar, glass fibre, bentonite, -50 diisooctyl phosphordithiic acid of chlorocarbon
Molybdenum, poly- decanedioic acid propylene glycol ester, (beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester are mixed in 220r/min
It closes 18min and forms mixed material；
3) mixed material is squeezed out, squeezes out and use double screw extruder, mixed material is in double screw extruder
In each section of temperature be respectively as follows: 210 DEG C of an area, 250 DEG C of 2nd area, 280 DEG C of 3rd area, 260 DEG C of 4th area, 290 DEG C of head, residence time
For 6min；Pressure is 15Mpa, is granulated, obtains product.
Comparative example 1:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, double-(3- triethoxysilane propyl)-tetrasulfide, sheep wax
Acid, molybdenum disulfide, trimethylantimony, Jie's amino crotons vinegar, glass fibre, bentonite, -50 diisooctyl phosphordithiic acid of chlorocarbon
Molybdenum, poly- decanedioic acid propylene glycol ester, (beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester are mixed in 200r/min
It closes 15min and forms mixed material；
3) mixed material is squeezed out, squeezes out and use double screw extruder, mixed material is in double screw extruder
In each section of temperature be respectively as follows: 200 DEG C of an area, 240 DEG C of 2nd area, 270 DEG C of 3rd area, 250 DEG C of 4th area, 280 DEG C of head, residence time
For 4min；Pressure is 10Mpa, is granulated, obtains product.
Comparative example 2:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, capric acid, molybdenum disulfide, trimethylantimony, Jie
Amino crotons vinegar, glass fibre, bentonite, -50 molybdenum diisooctyl dithiophosphate of chlorocarbon, poly- decanedioic acid propylene glycol ester, second
(beta-methoxy ethyoxyl) silane of alkenyl three and poly- decanedioic acid propylene glycol ester are in 200r/min mixing 15min formation mixed material；
3) mixed material is squeezed out, squeezes out and use double screw extruder, mixed material is in double screw extruder
In each section of temperature be respectively as follows: 200 DEG C of an area, 240 DEG C of 2nd area, 270 DEG C of 3rd area, 250 DEG C of 4th area, 280 DEG C of head, residence time
For 4min；Pressure is 10Mpa, is granulated, obtains product.
Comparative example 3:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, ethylene-chlorotrifluoro-ethylene copolymer, sheep wax
Acid, trimethylantimony, Jie's amino crotons vinegar, glass fibre, bentonite, -50 molybdenum diisooctyl dithiophosphate of chlorocarbon, the poly- last of the ten Heavenly stems two
Acid propylene glycol ester, (beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester are in 220r/min mixing 18min shape
Resulting mixture material；
3) mixed material is squeezed out, squeezes out and uses double screw extruder, mixed material is each in double screw extruder
The temperature of section is respectively as follows: 200 DEG C of an area, 245 DEG C of 2nd area, 272 DEG C of 3rd area, 255 DEG C of 4th area, 280 DEG C of head, and the residence time is
5min；Pressure is 12Mpa, is granulated, obtains product.
Comparative example 4:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, ethylene-chlorotrifluoro-ethylene copolymer, sheep wax
Acid, molybdenum disulfide, trimethylantimony, glass fibre, bentonite, -50 molybdenum diisooctyl dithiophosphate of chlorocarbon, poly- decanedioic acid the third two
Alcohol ester, (beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester are formed in 220r/min mixing 18min and are mixed
Material；
3) mixed material is squeezed out, squeezes out and uses double screw extruder, mixed material is each in double screw extruder
The temperature of section is respectively as follows: 200 DEG C of an area, 245 DEG C of 2nd area, 272 DEG C of 3rd area, 255 DEG C of 4th area, 280 DEG C of head, and the residence time is
5min；Pressure is 12Mpa, is granulated, obtains product.
Comparative example 5:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, ethylene-chlorotrifluoro-ethylene copolymer, sheep wax
Acid, molybdenum disulfide, trimethylantimony, Jie's amino crotons vinegar, glass fibre, -50 molybdenum diisooctyl dithiophosphate of chlorocarbon, the poly- last of the ten Heavenly stems
Two acid propylene glycol esters, (beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester are in 220r/min mixing 18min
Form mixed material；
3) mixed material is squeezed out, squeezes out and use double screw extruder, mixed material is in double screw extruder
In each section of temperature be respectively as follows: 210 DEG C of an area, 250 DEG C of 2nd area, 280 DEG C of 3rd area, 260 DEG C of 4th area, 290 DEG C of head, residence time
For 6min；Pressure is 15Mpa, is granulated, obtains product.
Comparative example 6:
A kind of PA66 modified material that stability is good, the material including following parts by weight:
A kind of preparation method for the PA66 modified material that stability is good, comprising the following steps:
1) each raw material is weighed by above-mentioned weight proportion；
2) by PA66 resin, polyether sulfone, polypropylene fibre, acid fiber by polylactic, ethylene-chlorotrifluoro-ethylene copolymer, sheep wax
Acid, molybdenum disulfide, trimethylantimony, Jie's amino crotons vinegar, glass fibre, bentonite, chlorocarbon -50, poly- decanedioic acid propylene glycol ester,
(beta-methoxy ethyoxyl) silane of vinyl three and poly- decanedioic acid propylene glycol ester are in 220r/min mixing 18min formation mixed material；
3) mixed material is squeezed out, squeezes out and use double screw extruder, mixed material is in double screw extruder
In each section of temperature be respectively as follows: 210 DEG C of an area, 250 DEG C of 2nd area, 280 DEG C of 3rd area, 260 DEG C of 4th area, 290 DEG C of head, residence time
For 6min；Pressure is 15Mpa, is granulated, obtains product.
The performance test results of embodiment and comparative example are listed below:
It can be seen that by examples detailed above, the material obtained not only has excellent high-temperature behavior, but also mechanical strength and size
The more general material of stability is good.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (10)
1. a kind of good PA66 modified material of stability, which is characterized in that the material including following parts by weight:
2. the good PA66 modified material of stability according to claim 1, which is characterized in that the macromolecular fibre includes
30~40wt% polypropylene fibre and 60~70wt% acid fiber by polylactic.
3. the good PA66 modified material of stability according to claim 1, which is characterized in that the anti-wear agent be selected from it is double-
One of (3- triethoxysilane propyl)-tetrasulfide, ethylene-chlorotrifluoro-ethylene copolymer.
4. the good PA66 modified material of stability according to claim 1, which is characterized in that the lubricant include 30~
40wt% capric acid and 60~70wt% molybdenum disulfide.
5. the good PA66 modified material of stability according to claim 1, which is characterized in that the stabilizer include 60~
70wt% trimethylantimony and 30~40wt% Jie's amino crotons vinegar.
6. the good PA66 modified material of stability according to claim 1, which is characterized in that the filler include 20~
30wt% glass fibre and 70~80wt% bentonite.
7. the good PA66 modified material of stability according to claim 1, which is characterized in that the antioxidant include 50~
60wt% chlorocarbon -50 and 40~50wt% molybdenum diisooctyl dithiophosphate.
8. the good PA66 modified material of stability according to claim 1, which is characterized in that further include 1~3 parts by weight
Poly- decanedioic acid propylene glycol ester.
9. the preparation method of the good PA66 modified material of described in any item stability, feature exist according to claim 1~8
In, comprising the following steps:
1) each raw material is weighed by the weight proportion as described in claim 1~8；
2) by PA66 resin, polyether sulfone, macromolecular fibre, anti-wear agent, lubricant, stabilizer, filler, antioxidant, vinyl three
(beta-methoxy ethyoxyl) silane and poly- decanedioic acid propylene glycol ester are in 200-300r/min mixing 15-20min formation mixed material；
3) mixed material is squeezed out, is granulated, obtains product.
10. the preparation method of the good PA66 modified material of stability according to claim 9, which is characterized in that described to squeeze
Double screw extruder is used out, and the mixed material each section of temperature in double screw extruder is respectively as follows: an area 200-210
DEG C, 240-250 DEG C of 2nd area, 270-280 DEG C of 3rd area, 250-260 DEG C of 4th area, 280-290 DEG C of head, the residence time be 4~6min；
Pressure is 10~15Mpa.
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| CN110551392A (en) * | 2019-09-23 | 2019-12-10 | 安徽旭升新材料有限公司 | Preparation method of carbon fiber PA66 thermoplastic composite material |
| CN113416412A (en) * | 2021-07-07 | 2021-09-21 | 广州搜料信息技术有限公司 | Modified nylon PA66 resin with improved dimensional stability and preparation process thereof |
| CN114507442A (en) * | 2021-03-29 | 2022-05-17 | 深圳市晋源塑胶原料有限公司 | PES filter material return material and nylon 66 alloy and preparation method thereof |
| CN116200036A (en) * | 2023-04-04 | 2023-06-02 | 江苏林泉汽车装饰件有限公司 | Automobile interior trim part material with high heat resistance |
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