CN109776952A - A kind of glass fiber reinforced polypropylene/nylon 6 alloy material and preparation method thereof - Google Patents
A kind of glass fiber reinforced polypropylene/nylon 6 alloy material and preparation method thereof Download PDFInfo
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- CN109776952A CN109776952A CN201811544192.7A CN201811544192A CN109776952A CN 109776952 A CN109776952 A CN 109776952A CN 201811544192 A CN201811544192 A CN 201811544192A CN 109776952 A CN109776952 A CN 109776952A
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Abstract
The present invention discloses a kind of glass fiber reinforced polypropylene/nylon 6 alloy material and preparation method thereof, is made of 20-70 parts of polypropylene, 10-40 parts of nylon 6,5-45 parts of glass fibres, 1-20 parts of compatilizers, 1-3 parts of silane coupling agents, 0.2-1 parts of crosslinking agents, 0.2-0.6 parts of antioxidant, 0.2-0.6 parts of lubricants.The present invention joined compatilizer, silane coupling agent and crosslinking agent simultaneously, significantly improve the stretching, bending and impact strength of alloy material, this is because the introducing of crosslinking agent has effectively facilitated polypropylene, nylon 6 and the mutual compatibility of glass fibre, thus have good reinforcing effect, improves the mechanical strength of material；Furthermore warping phenomenon is observed by disk, warpage degree is obviously improved.
Description
Technical field
The present invention relates to field of polymer composite material, specifically a kind of glass fiber reinforced polypropylene/nylon 6 alloy material
Material and preparation method thereof.
Background technique
Polypropylene has specific gravity low, does not absorb water, the various features such as easy processing, cost performance height, is that current dosage is the most extensive
Plastics, be widely used in the numerous areas such as automobile, household electrical appliances, but its intensity of virgin pp is low, poor dimensional stability, is not easy very
It is multi-field to carry out using thus generally being carried out by filling fiberglass reinforced using but being non-polar high polymer in view of polypropylene
Material, the addition of glass can not only seriously affect the appearance of product, simultaneously because crystallization internal stress is larger after polyacrylic, can produce
Raw serious buckling deformation phenomenon.
Nylon 6 (PA6) has many advantages, such as intensity height, good toughness, heat-resisting, wear-resisting, and is that polarity is high relative to polypropylene
Molecular material has better compatibility with glass, but the disadvantage is that hygroscopic, causes poor dimensional stability.Thus by polypropylene
It is blended with 6 two kinds of materials of nylon and prepares alloy plastic, can eliminate or improve the defect of homogenous material.To more preferably play respective material
The advantage of material has carried out a large amount of research to this respect both at home and abroad at present.It but is non-polar material in view of polypropylene, nylon 6 is
Polar material, between the two compatible poor, traditional method are improved between the two by addition maleic acid anhydride compatilizer
Compatibility, the effect that this mode improves is limited, especially in fiberglass reinforced system, cannot fully demonstrate two kinds of material glasses
The advantage of enhancing, and fail the buckling deformation phenomenon for being obviously improved glass fiber reinforced materials.
Summary of the invention
The purpose of the present invention is to provide a kind of glass fiber reinforced polypropylene/nylon 6 alloy material and preparation method thereof,
Comprehensive using special crosslinking agent, compatilizer and silane coupling agent uses, and is prepared into fiber glass reinforced polypropylene nylon 6 alloy material
Material, hence it is evident that improve the intensity and toughness of material, and be effectively improved buckling deformation phenomenon.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of glass fiber reinforced polypropylene/nylon 6 alloy material, it is characterised in that: the alloy is by including following weight
The component of part is made:
Further scheme, the polyacrylic melt index are 5-100g/10min.
Further scheme, the relative viscosity of the nylon 6 are 1.8-3.0.
Further scheme, the glass fibre be alkali-free glass fibre, a diameter of 7-20 μm.
Further scheme, the compatilizer are one or both of PP grafted maleic anhydride, POE grafted maleic anhydride.
Further scheme, the silane coupling agent are double amino-type silane coupling agents.
Further scheme, the crosslinking agent are cumyl peroxide (DCP), benzoyl peroxide (BPO), di-t-butyl
One of peroxide (DTBP), di-isopropylbenzene hydroperoxide, -2,5 di-t-butyl hexane peroxide of 2,5- dimethyl are several
Kind compounding.
Further scheme, the antioxidant are that Hinered phenols antioxidant is compounded with phosphite ester antioxidant.
Further scheme, the lubricant are ethylene bis-fatty acid amides series lubricant agent.
Another goal of the invention of the invention is to provide above-mentioned glass fiber reinforced polypropylene/nylon 6 alloy material
Preparation method, comprising the following steps:
(1) by 20-70 parts of polypropylene, 10-40 parts of nylon 6,1-20 parts of compatilizers, 1-3 parts of silane coupling agents, 0.2-1 parts
Crosslinking agent, 0.2-0.6 part antioxidant, 0.2-0.6 parts of lubricants are mixed, the material after must being sufficiently mixed；
(2) above-mentioned uniformly mixed material is added to the main spout of double screw extruder, 5-45 parts of glass fibres are set
In the side spout of double screw extruder, the extruding pelletization after melt blending obtains the conjunction of glass fiber reinforced polypropylene/nylon 6
Golden material；Wherein the melting temperature of double screw extruder is 220-250 DEG C.
Beneficial effects of the present invention:
(1) glass fiber reinforced polypropylene/nylon 6 alloy material of the invention, material stiffness are obviously mentioned with toughness
It is high.
(2) glass fiber reinforced polypropylene/nylon 6 alloy material of the invention, can be effectively improved the buckling deformation of material
Phenomenon.
Specific embodiment
In order to better understand the technical means of the present invention, it and can be implemented in accordance with the contents of the specification, below
In conjunction with the embodiments, specific embodiments of the present invention will be described in further detail, and the following examples are intended to illustrate the invention, but
It is not intended to limit the scope of the invention.
The raw materials used trade mark is as follows:
Other materials is commercially available common material.
According to the above material, preparation method according to the invention prepares embodiment 1-5 and comparative example 1-5；Its preparation side
Method is as follows:
(1) polypropylene, nylon 6, compatilizer, silane coupling agent, crosslinking agent, antioxidant and lubricant are added according to the ratio
Enter into high mixer, mixes 3-6 minutes, specific formula is as shown in table 1；
(2) above-mentioned uniformly mixed material is added to the main spout of double screw extruder, glass fibre is placed in double spiral shells
The side spout of bar extruder, the extruding pelletization after melt blending obtain glass fiber reinforced polypropylene/nylon 6 alloy material；
Wherein the melting temperature of double screw extruder is 220-250 DEG C.
Table 1: embodiment 1-5 and comparative example 1-5 formula is as follows
Table 2: the performance test results
Observation table 2: embodiment 1 and comparative example 1, embodiment 2 and comparative example 2, embodiment 3 and comparative example 3, real are respectively compared
Apply example 4 and comparative example 4, embodiment 5 and comparative example 5, due to joined compatilizer, coupling agent and crosslinking agent simultaneously in the present invention,
Three's synergistic effect significantly improves the stretching, bending and impact strength of material, this is because the introducing of crosslinking agent effectively promotees
Into polypropylene, nylon 6 and the mutual compatibility of glass fibre, thus have good reinforcing effect, improves material
The mechanical strength of material；Furthermore warping phenomenon is observed by disk, warpage degree is obviously improved.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to case study on implementation, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementation cases 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 (10)
1. a kind of glass fiber reinforced polypropylene/nylon 6 alloy material, it is characterised in that: the alloy is by including following parts by weight
Component be made:
20-70 parts of polypropylene
6 10-40 parts of nylon
5-45 parts of glass fibre
1-20 parts of compatilizer
1-3 parts of silane coupling agent
0.2-1 parts of crosslinking agent
0.2-0.6 parts of antioxidant
0.2-0.6 parts of lubricant.
2. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: described poly- third
The melt index of alkene is 5-100g/10min.
3. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: the nylon
6 relative viscosity is 1.8-3.0.
4. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: the glass
Fiber is alkali-free glass fibre, a diameter of 7-20 μm.
5. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: described compatible
Agent is one or both of PP grafted maleic anhydride, POE grafted maleic anhydride.
6. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: the silane
Coupling agent is double amino-type silane coupling agents.
7. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: the crosslinking
Agent is cumyl peroxide (DCP), benzoyl peroxide (BPO), di-tert-butyl peroxide (DTBP), hydrogen peroxide two are different
One or more of propyl benzene, -2,5 di-t-butyl hexane peroxide of 2,5- dimethyl compounding.
8. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: the antioxygen
Agent is that Hinered phenols antioxidant is compounded with phosphite ester antioxidant.
9. glass fiber reinforced polypropylene/nylon 6 alloy material according to claim 1, it is characterised in that: the lubrication
Agent is ethylene bis-fatty acid amides series lubricant agent.
10. such as the preparation method of the described in any item glass fiber reinforced polypropylene/nylon 6 alloy materials of claim 1-9,
It is characterized in that: the following steps are included:
(1) by 20-70 parts of polypropylene, 10-40 parts of nylon 6,1-20 parts of compatilizers, 1-3 parts of silane coupling agents, 0.2-1 parts of crosslinkings
Agent, 0.2-0.6 parts of antioxidant, 0.2-0.6 parts of lubricants are mixed, the material after must being sufficiently mixed；
(2) above-mentioned uniformly mixed material is added to the main spout of double screw extruder, 5-45 parts of glass fibres are placed in double
The side spout of screw extruder, the extruding pelletization after melt blending obtain glass fiber reinforced polypropylene/nylon 6 alloy material
Material；Wherein the melting temperature of double screw extruder is 220-250 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811544192.7A CN109776952A (en) | 2018-12-17 | 2018-12-17 | A kind of glass fiber reinforced polypropylene/nylon 6 alloy material and preparation method thereof |
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| CN201811544192.7A CN109776952A (en) | 2018-12-17 | 2018-12-17 | A kind of glass fiber reinforced polypropylene/nylon 6 alloy material and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111269490A (en) * | 2020-02-28 | 2020-06-12 | 上海金发科技发展有限公司 | High-rigidity flame-retardant polypropylene alloy material and preparation method thereof |
| CN111621151A (en) * | 2020-07-09 | 2020-09-04 | 东莞市奥能工程塑料有限公司 | High-rigidity high-bonding-strength nylon reinforced material and preparation method thereof |
| CN115141431A (en) * | 2022-06-27 | 2022-10-04 | 重庆长安汽车股份有限公司 | Thin-wall anti-warping composite material for LFT-D and preparation method and application thereof |
| CN117264321A (en) * | 2023-09-28 | 2023-12-22 | 上海金发科技发展有限公司 | Glass fiber reinforced PP/PA alloy material and preparation method and application thereof |
| WO2024139876A1 (en) * | 2022-12-30 | 2024-07-04 | 金发科技股份有限公司 | Polypropylene composite material, and preparation method therefor and use thereof |
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| CN1033821A (en) * | 1987-11-04 | 1989-07-12 | 三井石油化学工业株式会社 | Glass fiber-reinforced thermoplastic resin composition |
| WO2008019515A1 (en) * | 2006-08-14 | 2008-02-21 | Quadrant Plastic Composites Ag | Fiber-reinforced thermoplastic semifinished product |
| CN103012955A (en) * | 2012-12-04 | 2013-04-03 | 合肥杰事杰新材料股份有限公司 | High-flowability glass fiber reinforced PP/PA (polypropylene/polyamide) composite and preparation method thereof |
| CN107200928A (en) * | 2017-07-24 | 2017-09-26 | 江苏莘翔机电有限公司 | A kind of glass fiber reinforced polypropylene nylon composite materials and preparation method thereof |
| CN108570182A (en) * | 2017-03-09 | 2018-09-25 | 江苏金发科技新材料有限公司 | Fiber glass reinforced polypropylene alloy and preparation method thereof |
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| CN1033821A (en) * | 1987-11-04 | 1989-07-12 | 三井石油化学工业株式会社 | Glass fiber-reinforced thermoplastic resin composition |
| WO2008019515A1 (en) * | 2006-08-14 | 2008-02-21 | Quadrant Plastic Composites Ag | Fiber-reinforced thermoplastic semifinished product |
| CN103012955A (en) * | 2012-12-04 | 2013-04-03 | 合肥杰事杰新材料股份有限公司 | High-flowability glass fiber reinforced PP/PA (polypropylene/polyamide) composite and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111269490A (en) * | 2020-02-28 | 2020-06-12 | 上海金发科技发展有限公司 | High-rigidity flame-retardant polypropylene alloy material and preparation method thereof |
| CN111621151A (en) * | 2020-07-09 | 2020-09-04 | 东莞市奥能工程塑料有限公司 | High-rigidity high-bonding-strength nylon reinforced material and preparation method thereof |
| CN115141431A (en) * | 2022-06-27 | 2022-10-04 | 重庆长安汽车股份有限公司 | Thin-wall anti-warping composite material for LFT-D and preparation method and application thereof |
| WO2024139876A1 (en) * | 2022-12-30 | 2024-07-04 | 金发科技股份有限公司 | Polypropylene composite material, and preparation method therefor and use thereof |
| CN117264321A (en) * | 2023-09-28 | 2023-12-22 | 上海金发科技发展有限公司 | Glass fiber reinforced PP/PA alloy material and preparation method and application thereof |
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