CN103194021A - High-temperature resistant glass fiber reinforced polypropylene and production method thereof - Google Patents
High-temperature resistant glass fiber reinforced polypropylene and production method thereof Download PDFInfo
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- CN103194021A CN103194021A CN2013101225417A CN201310122541A CN103194021A CN 103194021 A CN103194021 A CN 103194021A CN 2013101225417 A CN2013101225417 A CN 2013101225417A CN 201310122541 A CN201310122541 A CN 201310122541A CN 103194021 A CN103194021 A CN 103194021A
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Abstract
The invention discloses a high-temperature resistant glass fiber reinforced polypropylene. The high-temperature resistant glass fiber reinforced polypropylene comprises the following components in parts by weight: 55 to 75 parts of polypropylene, 15 to 30 parts of long glass fiber, 2 to 10 parts of a compatilizer, and 1 to 7 parts of an additive; single silk of long glass fibers is a quartz fiber which is 16um in diameter and 8 to 16mm in length; the compatilizer is an anhydride grafted compatilizer; the additive has the formula composed of 20 to 30% of antioxidant, 15 to 25% of antistatic agent, 15 to 25% of antifoaming agent, and 30 to 40% of lubricating agent, wherein the antioxidant is a polybasic hindered phenol antioxidant; the antistatic agent is polyethylene glycol; the antifoaming agent is organosilicate; and the lubricating agent is modified ethylene bisstearamide TAF. The high-temperature resistant glass fiber reinforced polypropylene and the production method of the high-temperature resistant glass fiber reinforced polypropylene, provided by the invention, have the advantages that the remaining length of the glass fibers is large, and the mechanical property and the thermal property are obviously improved.
Description
Technical field
The present invention relates to a kind of macromolecule chemical material field, relate in particular to a kind of resistant to elevated temperatures fiber glass reinforced polypropylene and production method thereof.
Background technology
Polypropylene material is low as a kind of cost, the resin material of highly versatile, in all trades and professions, all be extensive use of, existing a lot of modification Reinforced Polypropylene on the market, be exactly wherein a kind of as fiber glass reinforced polypropylene, but do not occur a kind of effectively long-term resistant to elevated temperatures fiber glass reinforced polypropylene product in the prior art, the present invention has well overcome this shortcoming.
Summary of the invention
Be to solve the deficiencies in the prior art, it is long to the object of the present invention is to provide a kind of glass fibre to keep length, and mechanical property and the thermal characteristics resistant to elevated temperatures fiber glass reinforced polypropylene and the production method thereof that are improved significantly.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of resistant to elevated temperatures fiber glass reinforced polypropylene is characterized in that, comprises the component of following weight proportion:
Polypropylene 55-75 part
Long glass fibres 15-30 part
Compatilizer 2-10 part;
Auxiliary 1-7 part;
Long glass fibres is silica fiber, and compatilizer is the maleic anhydride graft compatilizer; The prescription of auxiliary is: oxidation inhibitor 20-30%, static inhibitor 15-25%, defoamer 15-25%, lubricant 30-40%; Oxidation inhibitor is three grades of butyl of 2,6--4-methylphenol, and static inhibitor is polyoxyethylene glycol, and defoamer is the polyoxypropylene glyceryl ether, and lubricant is modification ethylene bis-fatty acid amides TAF.
Aforesaid a kind of resistant to elevated temperatures fiber glass reinforced polypropylene, the filament diameter of long glass fibres is 8-16mm for 16um length.
Aforementioned weight proportion component is preferably: 65 parts of polypropylene, 25 parts of long glass fibress, compatilizer 8,5 parts of auxiliarys.
The proportion optimization of aforementioned auxiliary is: oxidation inhibitor 23%, static inhibitor 18%, defoamer 23%, lubricant 36%.
The production method of aforesaid a kind of resistant to elevated temperatures fiber glass reinforced polypropylene comprises the steps:
(1) by weight proportion polypropylene 55-75 part of moiety, compatilizer 2-10 part, auxiliary 1-7 part; The mixed solution that is made into is poured high-speed mixer into and is stirred, and obtains compound;
(2) compound is added twin screw extruder, at 170-180 ℃ of melt blending, obtain melt blended material;
(3) will be by the weight proportion of moiety, 20～40min is soaked in the processing in invading the profit agent of the long glass fibres of 15-30 part, and the post-heating desolventizing is invaded stain with coupling agent to it again, thereby obtains the long glass fibres after surface treatment.
(4) long glass fibres after surface treatment is added twin screw extruder, extrude behind 200-220 ℃ of melt blending with melt blended material, obtain fiber glass reinforced polypropylene.
The production method of aforesaid a kind of resistant to elevated temperatures fiber glass reinforced polypropylene is characterized in that, the prescription of invading the profit agent is: 55 parts of acrylonitrile-styrenes, 30 parts of acrylonitrile-styrene graft glycidyl methacrylates, 15 parts in graphite.
The production method of aforesaid a kind of resistant to elevated temperatures fiber glass reinforced polypropylene is characterized in that, coupling agent is the vinyl trimethoxy Ethoxysilane.
Usefulness of the present invention is:
(1) the present invention adopts the roving glass fiber polypropylene, compares the intensity that the short glass fiber polypropylene has strengthened product high temperature resistance antifatigue;
(2) the present invention has overcome the roving glass fiber problem difficult compatible with polypropylene
(3) the present invention makes in the polyacrylic prescription of fiberglass reinforced fire retardant and has added effective auxiliary, has increased toughness, tensile strength, the notched Izod impact strength of product.
Embodiment
Below in conjunction with specific embodiment the present invention is done concrete introduction.
The weight of each composition of table 1 embodiment 1-4
Among each embodiment, the long glass fibres of employing is that filament diameter is 16um, and length is the silica fiber of 8-16mm, and compatilizer is the maleic anhydride graft compatilizer; The formula optimization of auxiliary is: oxidation inhibitor 23%, static inhibitor 18%, defoamer 23%, lubricant 36%; Oxidation inhibitor is three grades of butyl of 2,6--4-methylphenol, and static inhibitor is polyoxyethylene glycol, and defoamer is the polyoxypropylene glyceryl ether, and lubricant is modification ethylene bis-fatty acid amides TAF.
With the method production that 4 embodiment use following a kind of resistant to elevated temperatures fiber glass reinforced polypropylene, step is as follows:
(1) mixed solution that is made into by embodiment is poured the high-speed mixer stirring into, obtains compound;
(2) compound is added twin screw extruder, at 175 ℃ of melt blendings, obtain melt blended material;
(3) by the component among the embodiment 40min is soaked in long glass fibres processing in invading the profit agent, the post-heating desolventizing is invaded stain with coupling agent to it again, thereby obtains the long glass fibres after surface treatment.
(4) long glass fibres after surface treatment is added twin screw extruder, extrude behind 220 ℃ of melt blendings with melt blended material, obtain resistant to elevated temperatures fiber glass reinforced polypropylene.
The formula optimization of invading the profit agent that adopts in the method is: 55 parts of acrylonitrile-styrenes, 30 parts of acrylonitrile-styrene graft glycidyl methacrylates, 15 parts in graphite.Coupling agent is preferably the vinyl trimethoxy Ethoxysilane.
The auxiliary that adds has improved the integration capability of polypropylene such as toughness, tensile strength, Tc etc.
Need to prove: what the present invention adopted is to invade bubble with invading the profit agent earlier, invades stain with coupling agent again, makes long glass fibres and polyacrylic bondability like this, thereby has increased anti-old power and the proof stress of product.What the present invention adopted is that long glass fibres is 8-16mm, and the long glass fibres of length has good mechanical property like this.
The adding of the enhancing of roving glass fiber and high-crystallinity polypropylene resin has improved material in high temperature fatigue intensity, even more taller than the high temperature resistant fatigue strength of glass fiber enhanced nylon that is celebrated with thermotolerance.
For essence effect of the present invention better is described, other arranges Comparative Examples test effect is described.Comparative Examples is: the golden hair GFPP-L30NC007 that generally uses on the market is object as a comparison, it is carried out performance test, the result such as the table 2 that draw.
The performance of each embodiment of table 2
By table 1 and table 2 as can be known:
(1) by embodiment 3 and embodiment 4 as can be seen, the auxiliary of adding has improved the integration capability of polypropylene such as toughness, tensile strength, heat-drawn wire etc.
(2) by embodiment 1,2,4,5 and Comparative Examples as can be seen, fiber glass reinforced polypropylene of the present invention all has substantial progress on mechanical property and thermal characteristics.
(3) by comparative example 1,2,4,5, optimum embodiment is embodiment 4 as can be seen, and embodiment 4 is higher than other embodiment in the ability of tensile strength, flexural strength, modulus in flexure, notched Izod impact strength, heat-drawn wire each side.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (7)
1. a resistant to elevated temperatures fiber glass reinforced polypropylene is characterized in that, comprises the component of following weight proportion:
Polypropylene 55-75 part;
Long glass fibres 15-30 part;
Compatilizer 2-10 part;
Auxiliary 1-7 part;
Above-mentioned long glass fibres is silica fiber, and above-mentioned compatilizer is the maleic anhydride graft compatilizer; The prescription of above-mentioned auxiliary is: oxidation inhibitor 20-30%, static inhibitor 15-25%, defoamer 15-25%, lubricant 30-40%; Above-mentioned oxidation inhibitor is three grades of butyl of 2,6--4-methylphenol, and above-mentioned static inhibitor is polyoxyethylene glycol, and above-mentioned defoamer is the polyoxypropylene glyceryl ether, and above-mentioned lubricant is modification ethylene bis-fatty acid amides TAF.
2. a kind of resistant to elevated temperatures fiber glass reinforced polypropylene according to claim 1 is characterized in that, the filament diameter of above-mentioned long glass fibres is 8-16mm for 16um length.
3. a kind of resistant to elevated temperatures fiber glass reinforced polypropylene according to claim 1 is characterized in that, above-mentioned weight proportion component is preferably: 65 parts of polypropylene, 25 parts of long glass fibress, compatilizer 8,5 parts of auxiliarys.
4. a kind of resistant to elevated temperatures fiber glass reinforced polypropylene according to claim 1 is characterized in that the proportion optimization of above-mentioned auxiliary is: oxidation inhibitor 23%, static inhibitor 18%, defoamer 23%, lubricant 36%.
5. the production method of a kind of resistant to elevated temperatures fiber glass reinforced polypropylene according to claim 1 is characterized in that, comprises the steps:
(1) by weight proportion polypropylene 55-75 part of moiety, compatilizer 2-10 part, auxiliary 1-7 part; The mixed solution that is made into is poured high-speed mixer into and is stirred, and obtains compound;
(2) compound is added twin screw extruder, at 170-180 ℃ of melt blending, obtain melt blended material;
(3) will be by the weight proportion of moiety, 20 ~ 40min is soaked in the processing in invading the profit agent of the long glass fibres of 15-30 part, and the post-heating desolventizing is invaded stain with coupling agent to it again, thereby obtains the long glass fibres after surface treatment;
(4) long glass fibres after surface treatment is added twin screw extruder, extrude behind 200-220 ℃ of melt blending with melt blended material, obtain fiber glass reinforced polypropylene.
6. the production method of a kind of resistant to elevated temperatures fiber glass reinforced polypropylene according to claim 5 is characterized in that, above-mentioned prescription of invading the profit agent is: 55 parts of acrylonitrile-styrenes, 30 parts of acrylonitrile-styrene graft glycidyl methacrylates, 15 parts in graphite.
7. the production method of a kind of resistant to elevated temperatures fiber glass reinforced polypropylene according to claim 5 is characterized in that, above-mentioned coupling agent is the vinyl trimethoxy Ethoxysilane.
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| CN2013101225417A CN103194021A (en) | 2013-04-10 | 2013-04-10 | High-temperature resistant glass fiber reinforced polypropylene and production method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881236A (en) * | 2014-03-10 | 2014-06-25 | 洛阳市河之阳高分子材料有限公司 | Polypropylene material used for lithium battery shell and preparation method thereof |
| CN105199219A (en) * | 2015-09-17 | 2015-12-30 | 苏州新区佳合塑胶有限公司 | Stretch-proof polypropylene composite material |
| CN105199220A (en) * | 2015-09-17 | 2015-12-30 | 苏州新区佳合塑胶有限公司 | Polypropylene composite |
| CN105218943A (en) * | 2015-09-17 | 2016-01-06 | 苏州新区佳合塑胶有限公司 | Polypropylene composite material |
| CN108276662A (en) * | 2017-12-26 | 2018-07-13 | 浙江普利特新材料有限公司 | A kind of permanent type antistatic polypropylene composite material and preparation method thereof |
| CN110003568A (en) * | 2019-04-09 | 2019-07-12 | 苏州旭光聚合物有限公司 | High-performance fiberglass reinforced modified polypropene |
| CN110527188A (en) * | 2019-08-23 | 2019-12-03 | 励塑新材料科技(嘉兴)有限公司 | A kind of high wave transparent polypropene composition and preparation method thereof |
| CN111004451A (en) * | 2019-12-27 | 2020-04-14 | 上海邦中新材料有限公司 | High-strength high-heat-resistance polypropylene glass fiber reinforced belt and preparation method thereof |
| CN111154177A (en) * | 2018-11-08 | 2020-05-15 | 重庆霏欧纳科技有限公司 | Long-fiber reinforced polypropylene and preparation method thereof |
| CN112080100A (en) * | 2019-06-12 | 2020-12-15 | 中国科学院化学研究所 | High melt strength polypropylene and preparation method and application thereof |
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| CN102604216A (en) * | 2012-03-07 | 2012-07-25 | 金发科技股份有限公司 | Laser-marked glass-fiber reinforced polypropylene composite as well as preparation method and application thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103881236A (en) * | 2014-03-10 | 2014-06-25 | 洛阳市河之阳高分子材料有限公司 | Polypropylene material used for lithium battery shell and preparation method thereof |
| CN105199219A (en) * | 2015-09-17 | 2015-12-30 | 苏州新区佳合塑胶有限公司 | Stretch-proof polypropylene composite material |
| CN105199220A (en) * | 2015-09-17 | 2015-12-30 | 苏州新区佳合塑胶有限公司 | Polypropylene composite |
| CN105218943A (en) * | 2015-09-17 | 2016-01-06 | 苏州新区佳合塑胶有限公司 | Polypropylene composite material |
| CN108276662A (en) * | 2017-12-26 | 2018-07-13 | 浙江普利特新材料有限公司 | A kind of permanent type antistatic polypropylene composite material and preparation method thereof |
| CN111154177A (en) * | 2018-11-08 | 2020-05-15 | 重庆霏欧纳科技有限公司 | Long-fiber reinforced polypropylene and preparation method thereof |
| CN110003568A (en) * | 2019-04-09 | 2019-07-12 | 苏州旭光聚合物有限公司 | High-performance fiberglass reinforced modified polypropene |
| CN112080100A (en) * | 2019-06-12 | 2020-12-15 | 中国科学院化学研究所 | High melt strength polypropylene and preparation method and application thereof |
| CN112080100B (en) * | 2019-06-12 | 2022-03-29 | 中国科学院化学研究所 | High melt strength polypropylene and preparation method and application thereof |
| CN110527188A (en) * | 2019-08-23 | 2019-12-03 | 励塑新材料科技(嘉兴)有限公司 | A kind of high wave transparent polypropene composition and preparation method thereof |
| CN111004451A (en) * | 2019-12-27 | 2020-04-14 | 上海邦中新材料有限公司 | High-strength high-heat-resistance polypropylene glass fiber reinforced belt and preparation method thereof |
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Application publication date: 20130710 |