CN108070252A - A kind of reinforced PA66 material and preparation method thereof - Google Patents
A kind of reinforced PA66 material and preparation method thereof Download PDFInfo
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- CN108070252A CN108070252A CN201611034226.9A CN201611034226A CN108070252A CN 108070252 A CN108070252 A CN 108070252A CN 201611034226 A CN201611034226 A CN 201611034226A CN 108070252 A CN108070252 A CN 108070252A
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- 229920002302 Nylon 6,6 Polymers 0.000 title claims abstract description 48
- 239000000463 material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000000835 fiber Substances 0.000 claims abstract description 43
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 26
- 239000004917 carbon fiber Substances 0.000 claims abstract description 26
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000012986 modification Methods 0.000 claims abstract description 17
- 230000004048 modification Effects 0.000 claims abstract description 17
- 229920006324 polyoxymethylene Polymers 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000012745 toughening agent Substances 0.000 claims abstract description 11
- 239000002667 nucleating agent Substances 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical group [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 claims description 9
- 239000000194 fatty acid Substances 0.000 claims description 8
- 229920002545 silicone oil Polymers 0.000 claims description 7
- 229920006225 ethylene-methyl acrylate Polymers 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- 235000010358 acesulfame potassium Nutrition 0.000 claims 1
- 239000004519 grease Substances 0.000 claims 1
- 239000011976 maleic acid Substances 0.000 claims 1
- -1 maleic acid Acid anhydride Chemical class 0.000 claims 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims 1
- 238000007667 floating Methods 0.000 abstract description 6
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 229920000571 Nylon 11 Polymers 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- 235000010234 sodium benzoate Nutrition 0.000 description 8
- 239000004299 sodium benzoate Substances 0.000 description 8
- 238000011056 performance test Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 239000005043 ethylene-methyl acrylate Substances 0.000 description 2
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical group O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000007614 solvation Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- C08K2201/004—Additives being defined by their length
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of reinforced PA66 materials and preparation method thereof, are prepared by weight by following components：Nylon66 fiber, polyformaldehyde, carbon fiber, toughener, nucleating agent, surface modification agent.Present invention employs the chopped carbon fibers that cross section is rectangle, itself can reduce floating fine phenomenon；And cooperate with nylon 11, surface modification agent, fiber-reinforced PA66 material injection rear surface is improved jointly floats mechanical strength that is fine and improving nylon 66 material.
Description
Technical field
The invention belongs to field of polymer composite material, and in particular to a kind of reinforced PA66 material and preparation method thereof.
Background technology
Polyamide (PA is commonly called as nylon) is that DuPont develops resin for fiber at first, real in nineteen thirty-nine
Now industrialize.Polyamide started to develop and produce injection-molded item the 1950s, met downstream industry system with substituted metal
Product lightweight, the requirement for reducing cost.PA has good comprehensive performance, including mechanical property, heat resistance, wear resistance, resistance to
Chemicals and self lubricity, and coefficient of friction is low, also has certain anti-flammability, it is easy to process.
Wherein nylon66 fiber is a most important kind in PA, currently in order to strengthening the toughness of nylon66 fiber and reducing its production
Cost mostly adds in appropriate fiber to be modified to it inside nylon material, but is then susceptible to after addition fiber floating
Fine phenomenon.Floating fibre phenomenon is usually to be caused by fiber is exposed, white fiber floated during plastic melt filling flow be exposed to it is outer
Table just forms radial white trace on plastic surface, can be increased when plastic is black because of shade deviation after shaping to be condensed
It is and more obvious.So floating fibre phenomenon not only influences the cosmetic look of PA products, its performance as resistance to rolled-up stock is had an effect on.
The content of the invention
The object of the present invention is to provide a kind of reinforced PA66 material and preparation method thereof, improve that fiber is exposed to be showed
As.
Technical scheme is as follows：
The present invention provides a kind of reinforced PA66 materials, are prepared by weight by following components：
The intrinsic viscosity range of the nylon66 fiber is 0.6-1.0dl/g.
The carbon fiber is chopped carbon fiber, and cross section is rectangle, length 2-5mm.
The toughener is selected from maleic anhydride grafted ethene-octene copolymer, ethylene-methyl acrylate copolymer or second
One or more of alkene-methyl acrylate-glycidyl methacrylate.
The nucleating agent is sodium benzoate.
The surface modification agent is the mixture of modified ethylene bis-fatty acid amides (TAF) and silicone oil, and wherein TAF is most
Few additive is 2 parts.
The present invention also provides the preparation method of above-mentioned reinforced PA66 material, this method comprises the following steps：
(1) nylon66 fiber and polyformaldehyde are dried respectively；
(2) by proportioning, by dried nylon66 fiber and polyformaldehyde and carbon fiber, toughener, nucleating agent and surface modification
Agent adds in high-speed mixer stir 3-5min together；
(3) uniformly mixed material is added in from the charge door of double screw extruder, through double screw extruder melting extrusion,
It is granulated, is prepared into modified reinforced PA66 material.
Further scheme, nylon66 fiber is the dry 4-5h under the conditions of temperature is 110-140 DEG C in the step (1)；Poly- first
Aldehyde is the dry 4-5h under the conditions of temperature is 110-120 DEG C；
One 220-250 DEG C of area's temperature of double screw extruder, two 225-265 DEG C of area's temperature, three area's temperature in the step (3)
235-275 DEG C, four 245-285 DEG C of area's temperature, five 240-280 DEG C of area's temperature, six 245-285 DEG C of area's temperature, head temperature 245-
285 DEG C, engine speed is 15-35HZ.
The present invention compared with the existing technology, has the advantages that：
1st, present invention employs the chopped carbon fiber that cross section is rectangle, floating fine phenomenon can itself be reduced；In addition,
The surface after reinforced PA66 material injection is improved after carbon fiber is cooperated with polyformaldehyde, surface modification agent jointly again to float
Fine problem.
2nd, TAF is to introduce polar group on the basis of ethylene bis-fatty acid amides in surface modification agent, is mixed with silicone oil
The compatibility between carbon fiber is enhanced after conjunction；The solvation segment of TAF has certain intermiscibility with matrix resin, herein
TAF has played phase solvent.In this way, surface modification agent forms similar anchoring node between carbon fiber, basic resin, that is, hand over
Join point, improve the fine bond state with resin of carbon, reduce the fine separation with resin of carbon.
3rd, since the mechanical function layer thickness between the surface of carbon fiber and matrix resin increases, make attached in fiber surface
Near matrix be easier to occur shear yielding, increase the absorption to impact energy and dissipative effect, promote fiber to matrix resin it
Between toughening effect.So that carbon fiber is coated well in resin, fiber is synchronous with resin in process flows
It is dynamic, it is not easy to rip, greatly reduces the exposed of fiber.
4th, surface modification agent reduces that carbon fiber is exposed, so as to correspondingly reduce the friction of carbon fiber and screw rod, makes spiral shell
The torque of bar also decreases, easy to process.
5th, reinforced PA66 material prepared by the present invention has excellent mechanical property.
Specific embodiment
The present invention is further illustrated with reference to embodiments.
Measuring mechanical property method：
Composition prepared by the present invention is molded into test examination using injection molding machine of plastic using GB standards at 230-270 DEG C
Sample, the size (length x width x thickness) of test bars are respectively：Tensile bars (dumbbell shape), 170.0 × 10.0 ×
4.0；Bending batten, 80.0 × 10.0 × 4.0；Non-notch impact batten, 80.0 × 10.0 × 4.0；Notch shock batten, 80.0
× 10.0 × 4.0, v-notch, notch depth 1/5.
In temperature be (23 ± 2) DEG C, in the standard environment that humidity is (50 ± 5) % after placement 16h after test bars shaping
It is tested, test environment is (23 ± 2) DEG C, humidity is (50 ± 5) %.
Tensile strength and elongation at break：It is tested by GB 1040, tensile speed 5mm/min.
Bending strength and bending modulus：It is tested by GB 9341, rate of bending 1.25mm/min.
Simply supported beam notch impact strength：It is tested by GB 1043.
Fiber content：It is tested by GB 9345.
The intrinsic viscosity range of nylon66 fiber used in following embodiment is 0.6-1.0dl/g；Carbon fiber is the carbon that is chopped
Fiber, cross section are rectangle, length 2-5mm.
Embodiment 1
(1) by nylon66 fiber in 110 DEG C of temperature, dry 4h；Polyformaldehyde is in 110 DEG C of temperature, dry 4h；
(2) weigh dry 60 parts of nylon66 fiber, 1 part of polyformaldehyde and 25 parts of carbon fiber, 5 parts of sodium benzoate,
5 parts of surface modification agent (being mixed by 2 parts of modified ethylene bis-fatty acid amides and 3 parts of silicone oil)；
(3) material weighed up in above-mentioned steps (2) is stirred into 3min in high-speed mixer；
(4) and then by above-mentioned uniformly mixed material the charge door of double screw extruder is added in；
(5) material is granulated through double screw extruder melting extrusion；
The processing technology of the double screw extruder is：230 DEG C of one area's temperature of double screw extruder, two area's temperature 245
DEG C, three 255 DEG C of area's temperature, four 265 DEG C of area's temperature, five 260 DEG C of area's temperature, six 265 DEG C of area's temperature, 265 DEG C of head temperature, host
Rotating speed is 15HZ.The performance test results are shown in Table 1.
Embodiment 2
(1) by nylon66 fiber in 110 DEG C of temperature, dry 4h；Polyformaldehyde is in 110 DEG C of temperature, dry 4h；
(2) 40 parts dry of nylon66 fiber, 10 parts of polyformaldehyde, 30 parts of carbon fiber, 5 parts of toughener (3 portions of horses are weighed
Maleic anhydride grafted ethylene-octene copolymer, 2 parts of ethylene-methyl acrylate copolymers), 10 parts of sodium benzoate, 10 parts of surface
Improver (is mixed) by 5 parts of modified ethylene bis-fatty acid amides and 5 parts of silicone oil；
(3) material weighed up in above-mentioned steps (2) is stirred into 5min in high-speed mixer；
(4) and then by above-mentioned uniformly mixed material the charge door of double screw extruder is added in；
(5) material is granulated through double screw extruder melting extrusion；
The processing technology of the double screw extruder is：220 DEG C of one area's temperature of double screw extruder, two area's temperature 225
DEG C, three 235 DEG C of area's temperature, four 245 DEG C of area's temperature, five 240 DEG C of area's temperature, six 245 DEG C of area's temperature, 245 DEG C of head temperature, host
Rotating speed is 35HZ.The performance test results are shown in Table 1.
Embodiment 3
(1) by nylon66 fiber in 110 DEG C of temperature, dry 4h；Polyformaldehyde is in 110 DEG C of temperature, dry 4h；
(2) weigh 40 parts dry of nylon66 fiber, 5 parts of polyformaldehyde, 35 parts of carbon fiber, 3 parts of toughener (ethylene-
Methyl acrylate-glycidyl methacrylate), 8 parts of sodium benzoate, 8 parts of surface modification agent is (by 3 parts of modified ethylenes
Bis-fatty acid amides and 5 parts of silicone oil mix)；
(3) material weighed up in above-mentioned steps (2) is stirred into 3min in high-speed mixer；
(4) and then by above-mentioned uniformly mixed material the charge door of double screw extruder is added in；
(5) material is granulated through double screw extruder melting extrusion；
The processing technology of the double screw extruder is：240 DEG C of one area's temperature of double screw extruder, two area's temperature 255
DEG C, three 265 DEG C of area's temperature, four 275 DEG C of area's temperature, five 270 DEG C of area's temperature, six 275 DEG C of area's temperature, 275 DEG C of head temperature, host
Rotating speed is 15HZ.The performance test results are shown in Table 1.
Embodiment 4
(1) by nylon66 fiber in 110 DEG C of temperature, dry 4h；Polyformaldehyde is in 110 DEG C of temperature, dry 4h；
(2) weigh 30 parts dry of nylon66 fiber, 5 parts of polyformaldehyde, 45 parts of carbon fiber, 5 parts of sodium benzoate, 5 parts
Surface modification agent (being mixed by 2 parts of modified ethylene bis-fatty acid amides and 3 parts of silicone oil)；
(3) material weighed up in above-mentioned steps (2) is stirred into 3min in high-speed mixer；
(4) and then by above-mentioned uniformly mixed material the charge door of double screw extruder is added in；
(5) material is granulated through double screw extruder melting extrusion；
The processing technology of the double screw extruder is：250 DEG C of one area's temperature of double screw extruder, two area's temperature 265
DEG C, three 275 DEG C of area's temperature, four 285 DEG C of area's temperature, five 280 DEG C of area's temperature, six 285 DEG C of area's temperature, 285 DEG C of head temperature, host
Rotating speed is 15HZ.The performance test results are shown in Table 1.
All it is below common carbon fibers to carbon fiber in Billy, cross-sectional shape is all circle.
Comparative example 1
(1) by nylon66 fiber in 140 DEG C of temperature, dry 5h；
(2) 50 parts dry of nylon66 fiber, 35 parts of carbon fiber, the copolymerization of 5 parts of toughener ethylene-methyl acrylate are weighed
Object, 5 parts of sodium benzoate；
(3) material weighed up in above-mentioned steps (2) is stirred into 3min in high-speed mixer；
(4) and then by above-mentioned uniformly mixed material the charge door of double screw extruder is added in；
(5) material is granulated through double screw extruder melting extrusion；
The processing technology of the double screw extruder is：220 DEG C of one area's temperature of double screw extruder, two area's temperature 225
DEG C, three 235 DEG C of area's temperature, four 245 DEG C of area's temperature, five 240 DEG C of area's temperature, six 245 DEG C of area's temperature, 245 DEG C of head temperature, host
Rotating speed is 15HZ.The performance test results are shown in Table 1.
Comparative example 2
(1) by nylon66 fiber in 110 DEG C of temperature, dry 4h；
(2) weigh dry 40 parts of nylon66 fiber, 35 parts of carbon fiber, 10 parts of calcium sulfate hollow glass micropearl, 5 parts
Toughener ethylene-methyl acrylate copolymer, 5 parts of sodium benzoate；
(3) material weighed up in above-mentioned steps (2) is stirred into 3min in high-speed mixer；
(4) and then by above-mentioned uniformly mixed material the charge door of double screw extruder is added in；
(5) material is granulated through double screw extruder melting extrusion；
The processing technology of the double screw extruder is：220 DEG C of one area's temperature of double screw extruder, two area's temperature 225
DEG C, three 235 DEG C of area's temperature, four 245 DEG C of area's temperature, five 240 DEG C of area's temperature, six 245 DEG C of area's temperature, 245 DEG C of head temperature, host
Rotating speed is 15HZ.The performance test results are shown in Table 1.
Comparative example 3
(1) by nylon66 fiber in 140 DEG C of temperature, dry 5h；
(2) 40 parts dry of nylon66 fiber, 35 parts of carbon fiber, the copolymerization of 5 parts of toughener ethylene-methyl acrylate are weighed
Object, 5 parts of sodium benzoate；
(3) material weighed up in above-mentioned steps (2) is stirred into 5min in high-speed mixer；
(4) and then by above-mentioned uniformly mixed material the charge door of double screw extruder is added in；
(5) material is granulated through double screw extruder melting extrusion；
The processing technology of the double screw extruder is：220 DEG C of one area's temperature of double screw extruder, two area's temperature 225
DEG C, three 235 DEG C of area's temperature, four 245 DEG C of area's temperature, five 240 DEG C of area's temperature, six 245 DEG C of area's temperature, 245 DEG C of head temperature, host
Rotating speed is 35HZ.The performance test results are shown in Table 1.
Table 1
The comparison of embodiment and comparative example can be seen that the curved of reinforced PA66 material produced by the present invention from upper table 1
Bent modulus, tensile strength, elongation at break, simply supported beam notch impact strength obviously higher than material prepared by comparative example, and
Article surface is bright, without floating fibre.
It is understood that the above description of the embodiments is intended to facilitate those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without having to go through creative labor.Therefore, the invention is not restricted to implementations here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of reinforced PA66 material, it is characterised in that：It is prepared by weight by following components：
30-60 parts of nylon66 fiber,
1-10 parts of polyformaldehyde,
25-45 parts of carbon fiber,
0-5 parts of toughener,
5-10 parts of nucleating agent,
5-10 parts of surface modification agent.
2. a kind of reinforced PA66 material according to claim 1, it is characterised in that：The inherent viscosity of the nylon66 fiber
Scope is 0.6-1.0 dl/g.
3. a kind of reinforced PA66 material according to claim 1, it is characterised in that：The carbon fiber is the carbon fibre that is chopped
Dimension, cross section is rectangle, length 2-5mm.
4. a kind of reinforced PA66 material according to claim 1, it is characterised in that：The toughener is selected from maleic acid
Acid anhydride grafted ethene-octene copolymer, ethylene-methyl acrylate copolymer or ethylene-methyl acrylate-Glycidyl methacrylate are sweet
One or more of grease.
5. a kind of reinforced PA66 material according to claim 1, it is characterised in that：The nucleating agent is benzoic acid
Sodium.
6. a kind of reinforced PA66 material according to claim 1, it is characterised in that：The surface modification agent is modification
Ethylene bis-fatty acid amides（TAF）With the mixture of silicone oil, wherein the minimum additive amount of modified ethylene bis-fatty acid amides is 2
Part.
7. a kind of preparation method of reinforced PA66 material as described in claim 1, it is characterised in that：Its step are as follows：
（1）Nylon66 fiber and polyformaldehyde are dried respectively；
（2）By proportioning, by dried nylon66 fiber and polyformaldehyde and carbon fiber, toughener, nucleating agent and surface modification agent one
It rises in addition high-speed mixer and stirs 3-5min；
（3）Uniformly mixed material from the charge door of double screw extruder is added in, through double screw extruder melting extrusion, is made
Grain, is prepared into modified reinforced PA66 material.
8. preparation method according to claim 7, it is characterised in that：The step（1）Middle nylon66 fiber is to be in temperature
Dry 4-5h under the conditions of 110-140 DEG C；Polyformaldehyde is the dry 4-5h under the conditions of temperature is 110-120 DEG C；
The step（3）Middle one 220-250 DEG C of area's temperature of double screw extruder, two 225-265 DEG C of area's temperature, three area temperature 235-
275 DEG C, four 245-285 DEG C of area's temperature, five 240-280 DEG C of area's temperature, six 245-285 DEG C of area's temperature, head temperature 245-285
DEG C, engine speed is 15-35HZ.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110183846A (en) * | 2019-05-10 | 2019-08-30 | 南通开普乐工程塑料有限公司 | A kind of high wear-resistant carbon fiber reinforcement PA66 and preparation method thereof |
| CN113150540A (en) * | 2021-04-21 | 2021-07-23 | 深圳市高科塑化有限公司 | Nylon carbon fiber composite material for improving waterproofness and preparation method thereof |
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2016
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| US4330444A (en) * | 1979-09-04 | 1982-05-18 | Ppg Industries, Inc. | Sizing composition and sized fibers with increased hardness |
| CN103160118A (en) * | 2011-12-16 | 2013-06-19 | 合肥杰事杰新材料股份有限公司 | Improved nylon composition with no glass fiber exposed and preparation method thereof |
| CN103030971A (en) * | 2012-12-25 | 2013-04-10 | 江苏金发科技新材料有限公司 | Special glass fiber reinforced nylon 6 material for water gauges and water pumps and preparation method of nylon 6 material |
| CN106009645A (en) * | 2016-07-06 | 2016-10-12 | 温州科力塑业有限公司 | Low-fiber-floating glass fiber reinforced PA6 material |
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| CN110183846A (en) * | 2019-05-10 | 2019-08-30 | 南通开普乐工程塑料有限公司 | A kind of high wear-resistant carbon fiber reinforcement PA66 and preparation method thereof |
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Application publication date: 20180525 |