CN110066508A - Vehicle outer door knob fiberglass reinforced modification of nylon - Google Patents
Vehicle outer door knob fiberglass reinforced modification of nylon Download PDFInfo
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- CN110066508A CN110066508A CN201910291430.6A CN201910291430A CN110066508A CN 110066508 A CN110066508 A CN 110066508A CN 201910291430 A CN201910291430 A CN 201910291430A CN 110066508 A CN110066508 A CN 110066508A
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- outer door
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- fiberglass reinforced
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/043—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/10—Reinforcing macromolecular compounds with loose or coherent fibrous material characterised by the additives used in the polymer mixture
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2300/00—Characterised by the use of unspecified polymers
- C08J2300/12—Polymers characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/04—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/04—Condensation polymers of aldehydes or ketones with phenols only
- C08J2461/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2463/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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Abstract
The invention discloses a kind of vehicle outer door knob fiberglass reinforced modification of nylon, the composite material is made of the raw material of following parts by weight: PA6 (65-80) part, glass fibre (8-14) part, epoxy resin (5-10) part, polystyrene thermoelastic body (0.1-0.8) part, modified polyether ether ketone (2-6) part, plasticized modifier (0.5-2) part, heat stabilizer (0.1-0.3) part, nucleating agent (1-3) part, light stabilizer (0.1-0.3) part, it is prepared using this formula material a with strong alkali-acid resistance, with low-temperature flexibility, fatigue durability is strong, the vehicle outer door knob fiberglass reinforced modification of nylon of good stability of the dimension.
Description
Technical field
The present invention relates to field of compound material, more specifically, it relates to which a kind of vehicle outer door knob is changed with fiberglass reinforced
Property nylon.
Background technique
Polyamide (PA is commonly called as nylon) is that earliest kind is developed in engineering plastics, has good comprehensive performance, including
Mechanical property, heat resistance, wear resistance, chemical resistance, self-lubrication, it is easy to process be auto parts and components ideal material
Material.PA's is various in style, there is PA6, PA66, PA46, PA610, PA612, PAl2 etc., and the semi-aromatic Buddhist nun developed in recent years
Many new varieties such as dragon and extraordinary nylon.Since the chemical structure of various nylon is different, performance is also variant, and PA6 is come
Say that there is very strong price advantage with kinds ratios such as PA46, PAl2.But due to easy to form between the acyl group and hydrone of nylon
Hydrogen bond, therefore be easier to absorb water, cause product size stability poor, strong alkali-acid resistance is poor, dry state and low temperature impact strength
The features such as low, so that the use scope of nylon 6 is restricted.Therefore, one is developed on the basis of guaranteeing its original excellent properties
Kind of intensity is high, the good PA6 material of chemical resistance it is necessory to.
As the external work package of vehicle outer door knob, frequent stress, contact sweat etc., it is sometimes desirable to plating or spraying.Though
So currently on the market modified Pa 6 material it is many but it is a have strong alkali-acid resistance, have low-temperature flexibility, fatigue durability by force, ruler
The good fiberglass reinforced modified Pa 6 material of very little stability or rarely found, the exploitation of the material can make modified Pa 6 material
Application range is further expanded.
Summary of the invention
It is an object of the invention to overcome problem above of the existing technology, a kind of vehicle outer door knob is provided, is had
Strong alkali-acid resistance, low-temperature flexibility, fatigue durability be strong, good stability of the dimension fiberglass reinforced modification of nylon.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme:
A kind of vehicle outer door knob fiberglass reinforced modification of nylon is provided, is made of the raw material of following parts by weight:
The preparation step of vehicle outer door knob fiberglass reinforced modification of nylon is as follows:
Step 1: raw material are weighed by formula ratio;
Step 2: by weighed PA6, epoxy resin, modified polyether ether ketone, polystyrene thermoelastic body, plasticized modifier
(MBS) it is uniformly mixed and is added in high-speed mixer, 1000 revs/min of revolving speed, mix 30min, after mixing well, obtain premix;
Step 3: premix is transferred in double screw extruder, is sequentially added glass fibre, heat stabilizer, light and is stablized
Agent and nucleating agent, the extrusion temperature of double screw extruder are 280 DEG C, and the extrusion revolving speed of double screw extruder is 500 revs/min, are squeezed
It is granulated out, obtains vehicle outer door knob fiberglass reinforced modification of nylon.
Preferably, selected glass fibre is roving glass fiber, length 17-20mm.
Long glass fiber reinforced modified nylon materials have the characteristics such as high intensity, rigidity, bending strength, tensile strength, especially suitable
Use is closed in the frequent occasion of high/low temperature alternation, mechanical performance integrally enhances.
Preferably, addition modified polyether ether ketone includes the raw material composition of following parts by weight:
Improve the processing performance and mechanical property of composite material.
Preferably, epoxy-modified polyethylene is selected, so that composite material has excellent strong alkali-acid resistance corrosivity
Energy and mechanical property.
Preferably, selecting one of polystyrene thermoelastic body-SBS or SIS, the cryogenic property of material can obviously improve
And impact strength.
Preferably, selecting plasticized modifier MBS, there is toughening effect to entire co-mixing system, there is composite material
Good flame retardant property and physical mechanical property.
Preferably, the heat stabilizer selected is mantoquita type thermal stabilizing agent.
The long term heat ageing performance of PA6 can be improved, resist chemical attack and harsh climate condition, and have certain
Lubrication and oxidation resistant effect.
Preferably, the nucleating agent selected is beta crystal-type nucleater.
The addition of nucleating agent can preferably keep the dimensional stability of product, while shortening molding cycle and improving production
Rate improves the demoulding and mechanical performance (improving tensile strength and hardness) of material.
Preferably, the light stabilizer selected is hindered amine light stabilizer.
Make PA6 photooxidation aging property be improved significantly.
In conclusion the invention has the following advantages:
1, nylon heat stabilizer is added in glass fiber reinforcement PA6, the long term heat ageing performance of PA6 can be improved, resists
Chemical attack and harsh climate condition, and have certain lubrication and oxidation resistant effect;The addition of light stabilizer makes
The photooxidation aging property of PA6 be improved significantly;The addition of nucleating agent can preferably keep the dimensional stability of product, contract simultaneously
Short molding cycle improves productivity, improves the demoulding and mechanical performance (improving tensile strength and hardness) of material;Modified polyether ether
The addition of ketone improves the processing performance and mechanical property of composite material.
2, epoxy resin, the sky formed after the functional groups such as the hydroxyl contained, epoxy group, with the crosslinking of amine esters are selected
Between structure so that composite material have excellent strong alkali-acid resistance corrosive nature and mechanical property;Polystyrene thermoelastic body is selected,
It can obviously improve the cryogenic property and impact strength of material;Plasticized modifier MBS is selected, has toughening to entire co-mixing system
Effect, makes composite material have good flame retardant property and physical mechanical property.
3, using the fiberglass reinforced modification of nylon of formula production have strong alkali-acid resistance, low-temperature flexibility, fatigue durability it is strong,
The advantages of good stability of the dimension.
Specific embodiment
The modified polyether ether ketone includes: 40 parts of P-hydroxybenzoic acid, 30 parts of ethylene terephthalate, 5 parts of short glass fiber
With 10 parts of thermotropic liquid crystal polymer.
Raw material are weighed according to the formula ratio of each embodiment of following table one and each comparative example of table two, by weighed PA6, asphalt mixtures modified by epoxy resin
Rouge, modified polyether ether ketone, polystyrene thermoelastic body, plasticized modifier (MBS), which are uniformly mixed, to be added in high-speed mixer, revolving speed
1000 revs/min, 30min is mixed, after mixing well, obtains premix;Premix is transferred in double screw extruder, successively plus
Enter glass fibre, heat stabilizer, light stabilizer and nucleating agent, the extrusion temperature of double screw extruder is 280 DEG C, twin-screw extrusion
The extrusion revolving speed of machine is 500 revs/min, and extruding pelletization obtains vehicle outer door knob fiberglass reinforced modification of nylon.
The formula ratio of each embodiment of table one weighs raw material
To the vehicle outer door knob fiberglass reinforced modification of nylon of each embodiment preparation, result verification test is carried out, is pressed
The standard of two the key technical indexes of table is tested, and experimental test result such as table three is verified.
Two the key technical indexes of table
Number | Project | Index | Test method |
1 | Heat distortion temperature | ≥210℃ | ISO 75 |
2 | Tensile strength | ≥150MPa | ISO 178 |
3 | Notch impact strength | ≥15kJ/m2 | ISO 180 |
4 | It is corrosion-resistant | Property retention rate >=85% | 90℃/RH90/72H |
Each embodiment and comparative example verification test result of table three
Experimental contrast analysis:
It is found by comparative analysis, the corrosion resistance conservation rate that epoxy resin is added in embodiment is more un-added than other
Want more obvious.Embodiment 1 and 1 comparative analysis of comparative example find that tensile strength enhances the enhancing of 23.2%, notch impact strength
One times have a surplus, corrosion resistance conservation rate also nearly doubles.
By to applying example 1 compared with other embodiments and comparative example, at the same add epoxy resin, polystyrene thermoelastic body,
Plasticized modifier MBS, nucleating agent embodiment 1 obtained by composite material have the corrosion resistance of better strong alkali-acid resistance,
Have with good dimensional stability, tensile strength and hardness are to be hoisted, and low-temperature flexibility, fatigue durability are more excellent, hence it is evident that improve
The cryogenic property and impact strength of material, have toughening effect to entire co-mixing system, have composite material good
Flame retardant property and physical mechanical property.
The addition of modified polyether ether ketone improves the processing performance and mechanical property of composite material.
Have that strong alkali-acid resistance, low-temperature flexibility, fatigue durability be strong, ruler using the fiberglass reinforced modification of nylon of formula production
The good advantage of very little stability.
Claims (10)
1. a kind of vehicle outer door knob fiberglass reinforced modification of nylon, it is characterised in that: the raw material composition including following parts by weight:
2. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 1, it is characterised in that: preferred PA6:80
Part, 10 parts of glass fibre, 8 parts of epoxy resin, 4 parts of modified polyether ether ketone, 0.5 part of polystyrene thermoelastic body, plasticized modifier 2
Part, 1 part of nucleating agent, 0.15 part of heat stabilizer and 0.15 part of light stabilizer.
3. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 2, it is characterised in that: the glass fibers
Dimension is roving glass fiber, length 17-20mm.
4. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 3, it is characterised in that: the modification is poly-
Ether ether ketone includes the raw material composition of following parts by weight:
Four weight ratios are 8:6:1:2.
5. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 4, it is characterised in that: preferably: to hydroxyl
40 parts of yl benzoic acid, 30 parts of ethylene terephthalate, 5 parts of short glass fiber, 10 parts of thermotropic liquid crystal polymer.
6. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 5, it is characterised in that: the styrene
Be thermoelastic body be SBS or SIS.
7. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 6, it is characterised in that: the toughening changes
Property agent be Methyl Methacrylate-Butadiene-Styrene Copolymer MBS.
8. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 7, it is characterised in that: the thermostabilization
Agent is mantoquita type thermal stabilizing agent.
9. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 8, it is characterised in that: the nucleating agent
For beta crystal-type nucleater.
10. vehicle outer door knob fiberglass reinforced modification of nylon according to claim 9, it is characterised in that: the light is steady
Determining agent is hindered amine light stabilizer.
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CN201910291430.6A CN110066508A (en) | 2019-04-11 | 2019-04-11 | Vehicle outer door knob fiberglass reinforced modification of nylon |
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CN201910291430.6A CN110066508A (en) | 2019-04-11 | 2019-04-11 | Vehicle outer door knob fiberglass reinforced modification of nylon |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110330789A (en) * | 2019-08-02 | 2019-10-15 | 横店集团得邦工程塑料有限公司 | A kind of fire-retardant enhancing PA6 composite material and preparation method of long-acting light aging resisting |
CN112759922A (en) * | 2020-12-28 | 2021-05-07 | 苏州旭光聚合物有限公司 | Continuous basalt fiber reinforced polyamide and preparation method thereof |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52129760A (en) * | 1976-04-26 | 1977-10-31 | Mitsubishi Chem Ind Ltd | Polyamide resin compositions |
CN102408705A (en) * | 2011-09-22 | 2012-04-11 | 贵州凯科特材料有限公司 | Nylon 6 with high performance and low melting-point and preparation method thereof |
CN103937231A (en) * | 2014-03-12 | 2014-07-23 | 金发科技股份有限公司 | Glass fiber reinforced nylon compound used for extrusion molding, and preparation method and application thereof |
CN106189217A (en) * | 2016-07-18 | 2016-12-07 | 天津金发新材料有限公司 | A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof |
-
2019
- 2019-04-11 CN CN201910291430.6A patent/CN110066508A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52129760A (en) * | 1976-04-26 | 1977-10-31 | Mitsubishi Chem Ind Ltd | Polyamide resin compositions |
CN102408705A (en) * | 2011-09-22 | 2012-04-11 | 贵州凯科特材料有限公司 | Nylon 6 with high performance and low melting-point and preparation method thereof |
CN103937231A (en) * | 2014-03-12 | 2014-07-23 | 金发科技股份有限公司 | Glass fiber reinforced nylon compound used for extrusion molding, and preparation method and application thereof |
CN106189217A (en) * | 2016-07-18 | 2016-12-07 | 天津金发新材料有限公司 | A kind of polyamide material for preparing cold-resistant heat insulating strip and preparation method thereof |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110330789A (en) * | 2019-08-02 | 2019-10-15 | 横店集团得邦工程塑料有限公司 | A kind of fire-retardant enhancing PA6 composite material and preparation method of long-acting light aging resisting |
CN112759922A (en) * | 2020-12-28 | 2021-05-07 | 苏州旭光聚合物有限公司 | Continuous basalt fiber reinforced polyamide and preparation method thereof |
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