CN106366642A - Nylon composite material with high tensile strength and preparation method thereof - Google Patents

Nylon composite material with high tensile strength and preparation method thereof Download PDF

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CN106366642A
CN106366642A CN201610761001.7A CN201610761001A CN106366642A CN 106366642 A CN106366642 A CN 106366642A CN 201610761001 A CN201610761001 A CN 201610761001A CN 106366642 A CN106366642 A CN 106366642A
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tensile strength
nylon composite
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刘平
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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
    • 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
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • 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)
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  • Polymers & Plastics (AREA)
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  • Compositions Of Macromolecular Compounds (AREA)
  • Reinforced Plastic Materials (AREA)

Abstract

The invention discloses a nylon composite material with high tensile strength and a preparation method thereof. The nylon composite material with the high tensile strength is prepared from the following raw materials in parts by weight: 15 to 25 parts of polycaprolactam, 10 to 20 parts of polyamide 66, 8 to 12 parts of polyamide 8, 2 to 4 parts of polyvinylpyrrolidone, 5 to 8 parts of cellulose acetate fibres, 5 to 9 parts of epoxidized soybean oil, 3 to 8 parts of sodium lignin sulphonate, 3 to 7 parts of methacrylic acid, 3 to 7 parts of polytetrafluoroethylene, 1 to 5 parts of ethyl acetate, 2 to 4 parts of potassium silicate, 3 to 7 parts of sodium tripolyphosphate, 2 to 3 parts of dibenzoyl peroxide, 1 to 4 parts of silane coupling agent, 2 to 5 parts of an anti-oxidant and 2 to 4 parts of an anti-aging agent. According to the prepared nylon composite material with the high tensile strength, the tensile strength is high and the performance is stable.

Description

High nylon composite materials of a kind of tensile strength and preparation method thereof
Technical field
The present invention relates to Material Field, particularly to high nylon composite materials of a kind of tensile strength and preparation method thereof.
Background technology
Nylon (nylon, polyamide, abbreviation pa) refers to the plastics being made up of polyamide-based resin.This resinoid can be by binary Amine and binary acid pass through polycondensation and are obtained, and the lactams that also can be formed after being dehydrated by aminoacid are obtained by ring-opening polymerisation, with ps, The differences such as pe, pp, pa does not gradually soften with the rising of heating temperature, but at one within the scope of the narrow temperature of fusing point Soften, fusing point is it is obvious that fusing point: 215-225 DEG C.Temperature once reaches and occurs as soon as flowing.Nylon has very high mechanical strength, Softening point is high, and heat-resisting, coefficient of friction is low, wear-resistant, self lubricity, shock absorption and sound-deadening properties, oil resistant, weak acid resistant, alkaline-resisting and one As solvent, electrical insulating property is good, has self-extinguishment, nontoxic, odorless, good weatherability, and dyeability is poor.Shortcoming is that water absorption is big, affects chi Very little stability and electrical property, fiber reinforcement can reduce resin water absorption rate so as to can work under high temperature, high humidity.The water suction of nylon Property larger, moist nylon, in forming process, shows as viscosity and drastically declines and be mixed with bubble product surface filamentary silver, institute Obtain products machinery intensity to decline.So developing now the nylon composite materials that a water absorption is little, tensile strength is high to seem outstanding For important.
Content of the invention
For solving above-mentioned technical problem, the present invention provides high nylon composite materials of a kind of tensile strength and preparation method thereof, leads to Cross and be combined using specified raw material, coordinate corresponding production technology, the high nylon composite materials of the tensile strength obtaining, it resists Tensile strength is high, stable performance, disclosure satisfy that the requirement of industry, has preferable application prospect.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of high nylon composite materials of tensile strength, are prepared by the raw materials in: polycaprolactam 15-25 part, poly- Hexamethylene diamine adipate 10-20 part, poly-caprylamide 8-12 part, Polyvinylpyrrolidone 2-4 part, acetate fiber 5-8 part, epoxy soybean Oily 5-9 part, sodium lignin sulfonate 3-8 part, methacrylic acid 3-7 part, politef 3-7 part, ethyl acetate 1-5 part, silicic acid Potassium 2-4 part, sodium tripolyphosphate 3-7 part, dibenzoyl peroxide 2-3 part, silane coupler 1-4 part, antioxidant 2-5 part, anti- Old agent 2-4 part.
Preferably, described silane coupler is selected from VTES, vinyl three ('beta '-methoxy ethyoxyl) One or more of silane, gamma-aminopropyl-triethoxy-silane, vinyltrimethoxy silane.
Preferably, described antioxidant is selected from 2,6 ditertiary butyl p cresol, three (nonyl is for phenyl) phosphite ester, thio One or more of double octadecyl ester pentaerythritol ester of dipropionic acid dilaurate, diphosphorous acid.
Preferably, described age resistor is selected from n- phenyl-α-aniline, n- phenyl-n`- cyclohexyl p-phenylenediamine, 4- methyl -6- One or more of tert-butyl phenol, 2-mercaptobenzimidazole.
The preparation method of the high nylon composite materials of described tensile strength, comprises the following steps:
(1) weigh each raw material according to weight portion；
(2) by polycaprolactam, PA 66, poly-caprylamide, Polyvinylpyrrolidone, acetate fiber, epoxy soybean Oil adds stirring in blender, pulverizes, and speed of agitator is 500-700 rev/min, and mixing time is 45 minutes, is subsequently adding anti- Oxidant, adjusts mixing speed and is 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, politef, ethyl acetate, potassium silicate, sodium tripolyphosphate, silane coupler, after being sufficiently stirred for, pressurization, it is filled with Noble gases, high temperature sintering 20-40 minute, calcining heat is 750-900 DEG C, and in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 15-20 minute, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) material precursor of step (4) is added in banbury and is reacted, be simultaneously introduced dibenzoyl peroxide, age resistor, Reaction temperature 300-360 DEG C, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1000-1500 rev/min, and extruder temperature is 220-260 DEG C.
Preferably, the noble gases in described step (3) are argon.
Compared with prior art, its advantage is the present invention:
(1) the high nylon composite materials of the tensile strength of the present invention with polycaprolactam, PA 66, poly-caprylamide, Polyvinylpyrrolidone, acetate fiber, epoxy soybean oil be main component, by add sodium lignin sulfonate, methacrylic acid, Politef, ethyl acetate, potassium silicate, sodium tripolyphosphate, dibenzoyl peroxide, age resistor, silane coupler, antioxidation Agent, is aided with stirring pulverizings, high-temperature calcination, ultrasonic disperse, high temperature banburying, extrudes the technique such as moulding so that the tension that is prepared from The high nylon composite materials of intensity, its tensile strength is high, stable performance, disclosure satisfy that the requirement of industry, has preferable application Prospect.
(2) the high nylon composite materials raw material of the tensile strength of the present invention is cheap, process is simple, is suitable to heavy industrialization With practical.
Specific embodiment
With reference to specific embodiment, the technical scheme of invention is described in detail.
Embodiment 1
(1) 15 parts of polycaprolactam, 10 parts of PA 66,8 parts of poly-caprylamide, polyvinyl pyrrole are weighed according to weight portion 2 parts of alkanone, 5 parts of acetate fiber, 5 parts of epoxy soybean oil, 3 parts of sodium lignin sulfonate, 3 parts of methacrylic acid, politef 3 Part, 1 part of ethyl acetate, 2 parts of potassium silicate, 3 parts of sodium tripolyphosphate, 2 parts of dibenzoyl peroxide, VTES 1 Part, 2 parts of 2,6 ditertiary butyl p cresol, n- phenyl-α -2 parts of aniline；
(2) by polycaprolactam, PA 66, poly-caprylamide, Polyvinylpyrrolidone, acetate fiber, epoxy soybean Oil adds stirring in blender, pulverizes, and speed of agitator is 500 revs/min, and mixing time is 45 minutes, is subsequently adding 2,6- bis- Butylated Hydroxytoluene, adjusts mixing speed and is 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, politef, ethyl acetate, potassium silicate, sodium tripolyphosphate, VTES, after being sufficiently stirred for, plus Pressure, is filled with argon, high temperature sintering 20 minutes, calcining heat is 750 DEG C, and in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 15 minutes, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) will step (4) material precursor add banbury in reacted, be simultaneously introduced dibenzoyl peroxide, n- phenyl- α-aniline, 300 DEG C of reaction temperature, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1000 revs/min, and extruder temperature is 220 DEG C.
The high nylon composite materials test result of prepared tensile strength is as shown in table 1.
Embodiment 2
(1) 18 parts of polycaprolactam, 12 parts of PA 66,10 parts of poly-caprylamide, polyethylene pyrrole are weighed according to weight portion 2 parts of pyrrolidone, 6 parts of acetate fiber, 6 parts of epoxy soybean oil, 4 parts of sodium lignin sulfonate, 5 parts of methacrylic acid, politef 4 Part, 2 parts of ethyl acetate, 3 parts of potassium silicate, 4 parts of sodium tripolyphosphate, 2 parts of dibenzoyl peroxide, vinyl three ('beta '-methoxy second Epoxide) 2 parts of silane, 3 parts of three (nonyl is for phenyl) phosphite ester, 3 parts of n- phenyl-n`- cyclohexyl p-phenylenediamine；
(2) by polycaprolactam, PA 66, poly-caprylamide, Polyvinylpyrrolidone, acetate fiber, epoxy soybean Oil adds stirring in blender, pulverizes, and speed of agitator is 600 revs/min, and mixing time is 45 minutes, is subsequently adding three (nonyls For phenyl) phosphite ester, adjust mixing speed and be 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, politef, ethyl acetate, potassium silicate, sodium tripolyphosphate, vinyl three ('beta '-methoxy ethyoxyl) silane, fill After dividing stirring, pressurization, it is filled with argon, high temperature sintering 25 minutes, calcining heat is 800 DEG C, in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 17 minutes, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) will step (4) material precursor add banbury in reacted, be simultaneously introduced dibenzoyl peroxide, n- phenyl- N`- cyclohexyl p-phenylenediamine, 320 DEG C of reaction temperature, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1200 revs/min, and extruder temperature is 230 DEG C.
The high nylon composite materials test result of prepared tensile strength is as shown in table 1.
Embodiment 3
(1) 21 parts of polycaprolactam, 18 parts of PA 66,11 parts of poly-caprylamide, polyethylene pyrrole are weighed according to weight portion 3 parts of pyrrolidone, 7 parts of acetate fiber, 8 parts of epoxy soybean oil, 7 parts of sodium lignin sulfonate, 6 parts of methacrylic acid, politef 6 Part, 4 parts of ethyl acetate, 3 parts of potassium silicate, 6 parts of sodium tripolyphosphate, 3 parts of dibenzoyl peroxide, gamma-aminopropyl-triethoxy silicon 3 parts of alkane, 4 parts of thiodipropionic acid dilauryl cinnamic acid ester, 3 parts of 4- methyl-6-tert-butylphenol；
(2) by polycaprolactam, PA 66, poly-caprylamide, Polyvinylpyrrolidone, acetate fiber, epoxy soybean Oil adds stirring in blender, pulverizes, and speed of agitator is 650 revs/min, and mixing time is 45 minutes, is subsequently adding thio two Propanoic acid dilaurate, adjusts mixing speed and is 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, politef, ethyl acetate, potassium silicate, sodium tripolyphosphate, gamma-aminopropyl-triethoxy-silane, are sufficiently stirred for Afterwards, pressurize, be filled with argon, high temperature sintering 35 minutes, calcining heat is 850 DEG C, in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 19 minutes, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) will step (4) material precursor add banbury in reacted, be simultaneously introduced dibenzoyl peroxide, 4- methyl- 6- tert-butyl phenol, 340 DEG C of reaction temperature, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1400 revs/min, and extruder temperature is 240 DEG C.
The high nylon composite materials test result of prepared tensile strength is as shown in table 1.
Embodiment 4
(1) 25 parts of polycaprolactam, 20 parts of PA 66,12 parts of poly-caprylamide, polyethylene pyrrole are weighed according to weight portion 4 parts of pyrrolidone, 8 parts of acetate fiber, 9 parts of epoxy soybean oil, 8 parts of sodium lignin sulfonate, 7 parts of methacrylic acid, politef 7 Part, 5 parts of ethyl acetate, 4 parts of potassium silicate, 7 parts of sodium tripolyphosphate, 3 parts of dibenzoyl peroxide, vinyltrimethoxy silane 4 Part, diphosphorous acid double 5 parts of octadecyl ester pentaerythritol ester, 4 parts of 2-mercaptobenzimidazole；
(2) by polycaprolactam, PA 66, poly-caprylamide, Polyvinylpyrrolidone, acetate fiber, epoxy soybean Oil adds stirring in blender, pulverizes, and speed of agitator is 700 revs/min, and mixing time is 45 minutes, is subsequently adding two phosphorous The double octadecyl ester pentaerythritol ester of acid, adjusts mixing speed and is 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, politef, ethyl acetate, potassium silicate, sodium tripolyphosphate, vinyltrimethoxy silane, after being sufficiently stirred for, plus Pressure, is filled with argon, high temperature sintering 40 minutes, calcining heat is 900 DEG C, and in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 20 minutes, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) material precursor of step (4) is added in banbury and reacted, be simultaneously introduced dibenzoyl peroxide, 2- sulfydryl Benzimidazole, 360 DEG C of reaction temperature, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1500 revs/min, and extruder temperature is 260 DEG C.
The high nylon composite materials test result of prepared tensile strength is as shown in table 1.
Comparative example 1
(1) 15 parts of polycaprolactam, 10 parts of PA 66,2 parts of Polyvinylpyrrolidone, acetic acid are weighed according to weight portion 5 parts of fiber, 5 parts of epoxy soybean oil, 3 parts of sodium lignin sulfonate, 3 parts of methacrylic acid, 1 part of ethyl acetate, 2 parts of potassium silicate, three 3 parts of polyphosphate sodium, 2 parts of dibenzoyl peroxide, 1 part of VTES, 2 parts of 2,6 ditertiary butyl p cresol, n- 2 parts of phenyl-α-aniline；
(2) polycaprolactam, PA 66, Polyvinylpyrrolidone, acetate fiber, epoxy soybean oil are added stirring Stir in machine, pulverize, speed of agitator is 500 revs/min, mixing time is 45 minutes, is subsequently adding 2,6- di-t-butyl to first Phenol, adjusts mixing speed and is 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, ethyl acetate, potassium silicate, sodium tripolyphosphate, VTES, after being sufficiently stirred for, pressurization, it is filled with argon Gas, high temperature sintering 20 minutes, calcining heat is 750 DEG C, and in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 15 minutes, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) will step (4) material precursor add banbury in reacted, be simultaneously introduced dibenzoyl peroxide, n- phenyl- α-aniline, 300 DEG C of reaction temperature, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1000 revs/min, and extruder temperature is 220 DEG C.
The high nylon composite materials test result of prepared tensile strength is as shown in table 1.
Comparative example 2
(1) 25 parts of polycaprolactam, 20 parts of PA 66,12 parts of poly-caprylamide, acetate fiber 8 are weighed according to weight portion Part, 9 parts of epoxy soybean oil, 8 parts of sodium lignin sulfonate, 7 parts of methacrylic acid, 7 parts of politef, 4 parts of potassium silicate, trimerization phosphorus The double octadecyl ester pentaerythritol ester 5 of 7 parts of sour sodium, 3 parts of dibenzoyl peroxide, 4 parts of vinyltrimethoxy silane, diphosphorous acid Part, 4 parts of 2-mercaptobenzimidazole；
(2) will stir in polycaprolactam, PA 66, poly-caprylamide, acetate fiber, epoxy soybean oil addition blender Mix, pulverize, speed of agitator is 700 revs/min, mixing time is 45 minutes, be subsequently adding the double octadecyl ester Ji Wusi of diphosphorous acid Alcohol ester, adjusts mixing speed and is 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, politef, potassium silicate, sodium tripolyphosphate, vinyltrimethoxy silane, after being sufficiently stirred for, pressurization, it is filled with argon Gas, high temperature sintering 40 minutes, calcining heat is 900 DEG C, and in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 20 minutes, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) material precursor of step (4) is added in banbury and reacted, be simultaneously introduced dibenzoyl peroxide, 2- sulfydryl Benzimidazole, 360 DEG C of reaction temperature, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1500 revs/min, and extruder temperature is 260 DEG C.
The high nylon composite materials test result of prepared tensile strength is as shown in table 1.
Nylon composite materials high for the prepared tensile strength of embodiment 1-4 and comparative example 1-2 are carried out stretching respectively strong Degree, bending strength, notch impact strength, this several performance tests of water absorption rate.
Table 1
　 Tensile strength (mpa) Bending strength (mpa) Notch impact strength (kj/m2) Water absorption rate (%)
Embodiment 1 111.7 84.8 72.3 1.5
Embodiment 2 111.2 84.3 75.4 1.8
Embodiment 3 111.1 85.3 74.3 1.6
Embodiment 4 111.8 84.5 73.2 1.7
Comparative example 1 73.0 68.5 52.1 5.8
Comparative example 2 83.8 72.0 60.1 6.3
The high nylon composite materials of the tensile strength of the present invention are with polycaprolactam, PA 66, poly-caprylamide, poly- second Alkene pyrrolidone, acetate fiber, epoxy soybean oil be main component, by add sodium lignin sulfonate, methacrylic acid, poly- four Fluorothene, ethyl acetate, potassium silicate, sodium tripolyphosphate, dibenzoyl peroxide, age resistor, silane coupler, antioxidant, It is aided with stirring pulverizings, high-temperature calcination, ultrasonic disperse, high temperature banburying, extrude the technique such as moulding so that the tensile strength that is prepared from High nylon composite materials, its tensile strength is high, stable performance, disclosure satisfy that the requirement of industry, has preferable application prospect. The nylon composite materials raw material that the tensile strength of the present invention is high is cheap, process is simple, is suitable to heavy industrialization and uses, practicality By force.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks Domain, is included within the scope of the present invention.

Claims (6)

1. a kind of high nylon composite materials of tensile strength it is characterised in that: be prepared by the raw materials in: polycaprolactam Amine 15-25 part, PA 66 10-20 part, poly-caprylamide 8-12 part, Polyvinylpyrrolidone 2-4 part, acetate fiber 5- 8 parts, epoxy soybean oil 5-9 part, sodium lignin sulfonate 3-8 part, methacrylic acid 3-7 part, politef 3-7 part, acetic acid second Ester 1-5 part, potassium silicate 2-4 part, sodium tripolyphosphate 3-7 part, dibenzoyl peroxide 2-3 part, silane coupler 1-4 part, antioxygen Agent 2-5 part, age resistor 2-4 part.
2. the high nylon composite materials of tensile strength according to claim 1 it is characterised in that: the choosing of described silane coupler From VTES, vinyl three ('beta '-methoxy ethyoxyl) silane, gamma-aminopropyl-triethoxy-silane, ethylene One or more of base trimethoxy silane.
3. the high nylon composite materials of tensile strength according to claim 1 it is characterised in that: described antioxidant is selected from 2,6 ditertiary butyl p cresol, three (nonyl is for phenyl) phosphite ester, thiodipropionic acid dilauryl cinnamic acid ester, diphosphorous acid double 18 One or more of ester pentaerythritol ester.
4. the high nylon composite materials of tensile strength according to claim 1 it is characterised in that: described age resistor be selected from n- In phenyl-α-aniline, n- phenyl-n`- cyclohexyl p-phenylenediamine, 4- methyl-6-tert-butylphenol, 2-mercaptobenzimidazole one Plant or several.
5. the preparation method according to the high nylon composite materials of the arbitrary described tensile strength of Claims 1 to 4, its feature exists In comprising the following steps:
(1) weigh each raw material according to weight portion；
(2) by polycaprolactam, PA 66, poly-caprylamide, Polyvinylpyrrolidone, acetate fiber, epoxy soybean Oil adds stirring in blender, pulverizes, and speed of agitator is 500-700 rev/min, and mixing time is 45 minutes, is subsequently adding anti- Oxidant, adjusts mixing speed and is 500 revs/min, stir 20 minutes；
(3) by the stirring mixture injection high-temperature calcination stove in step (2), sodium lignin sulfonate, methyl are then sequentially added Acrylic acid, politef, ethyl acetate, potassium silicate, sodium tripolyphosphate, silane coupler, after being sufficiently stirred for, pressurization, it is filled with Noble gases, high temperature sintering 20-40 minute, calcining heat is 750-900 DEG C, and in stove, pressure is 3.5mpa；
(4) the high-temperature calcination thing of step (3) is injected ultrasonic disintegrator, ultrasonic disperse 15-20 minute, Ultrasonic Pulverization acc power is 240kw, obtains material precursor；
(5) material precursor of step (4) is added in banbury and is reacted, be simultaneously introduced dibenzoyl peroxide, age resistor, Reaction temperature 300-360 DEG C, the response time is 45 minutes, obtains material parent；
(6) by the material parent injection double screw extruder of step (5), extrusion, pressing mold are moulding, cool down to obtain finished product, screw rod turns Speed is 1000-1500 rev/min, and extruder temperature is 220-260 DEG C.
6. the high nylon composite materials of tensile strength according to claim 5 preparation method it is characterised in that: described step Suddenly the noble gases in (3) are argon.
CN201610761001.7A 2016-08-30 2016-08-30 Nylon composite material with high tensile strength and preparation method thereof Withdrawn CN106366642A (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104774451A (en) * 2015-04-22 2015-07-15 合肥康龄养生科技有限公司 Odorless smellless high-property nylon composite material and preparation method thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104774451A (en) * 2015-04-22 2015-07-15 合肥康龄养生科技有限公司 Odorless smellless high-property nylon composite material and preparation method thereof

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