CN102367313A - Glass fiber reinforced polypropylene composite material and preparation method thereof - Google Patents
Glass fiber reinforced polypropylene composite material and preparation method thereof Download PDFInfo
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- CN102367313A CN102367313A CN2011102919125A CN201110291912A CN102367313A CN 102367313 A CN102367313 A CN 102367313A CN 2011102919125 A CN2011102919125 A CN 2011102919125A CN 201110291912 A CN201110291912 A CN 201110291912A CN 102367313 A CN102367313 A CN 102367313A
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Abstract
The invention relates to a glass fiber reinforced polypropylene composite material. The glass fiber reinforced polypropylene composite material comprises the following components, by weight, 80-100 parts of polypropylene, 15-30 parts of a glass fiber, 5-10 parts of an interfacial agent, 1-5 parts of a processing assistant, 0-0.5 parts of a plasticizer and 0.2-1 part of an antioxidant. A preparation method of the glass fiber reinforced polypropylene composite material comprises the following steps: 1, adding polypropylene, the interfacial agent, the processing assistant, the plasticizer and the antioxidant to a mixer, and fully and uniformly mixing them to obtain a mixture; 3, adding the mixture to a double screw extruder; and 3, extruding a mixed melt into a dipping die connected with the head of the double screw extruder, allowing the glass fiber to go through the dipping die, cooling, drawing, and cutting to obtain the glass fiber reinforced polypropylene composite material. The glass fiber reinforced polypropylene composite material of the invention has the advantages of simple process, low cost, no pollution to environment, realization of no binding of the processed glass fiber, and high manufacturability.
Description
Technical field
The present invention relates to a kind of matrix material, especially a kind of glass fiber reinforced polypropylene composite material and preparation method thereof belongs to polymeric material field.
Background technology
In recent years, thermoplastic resin based composite material has obtained development fast.Glass-reinforced polypropylene is as a kind of interchangeable heat plasticity reinforced composite, has the Young's modulus height, intensity is high, heat-drawn wire is high, dimensional stability good, advantage such as cheap, uses very extensively.
But because of thermoplastic resin generally do not contain can with coupling agent reactive activity group, coupling agent is difficult to chemical bond and combines with matrix resin, its modified effect is not as remarkable to thermosetting resin based composites that kind.PP is the hypocrystalline non-polar polymer, and its molecular chain does not possess the polar group of high reaction activity, and is low with the compound rear interface intensity of glass, influenced the performance of material over-all properties.Usually, increase spun glass and combine with the PP interface, can from the reactive group that increases matrix resin with improve fiberglass surfacing two aspects and set about.But introduced a kind of unsaturated compound and polypropylene grafted polymerization of radical polymerization method in the prior art as compatilizer; Although this method has all obtained some effects; But its mechanical property is still desirable not to the utmost, has satisfied not the requirement that improve matrix material day by day in market.
Summary of the invention
In order to overcome above defective, the technical problem that the present invention will solve is: propose a kind of glass fiber reinforced polypropylene composite material and preparation method thereof, it is simple to have technology, the characteristics of low-cost high-efficiency.
The technical scheme that the present invention adopted is: a kind of glass fiber reinforced polypropylene composite material, and it comprises following component and ratio of weight and number:
Vestolen PP 7052 80-100 part,
Spun glass 15-30 part,
Interfacial agents 5-10 part,
Processing aid 1-5 part,
Softening agent 0-0.5 part.
In preferred embodiment of the present invention, described Vestolen PP 7052 is that specific density is 0.89-0.92, and at 230 ℃, the melt flow rate under 2.16 kilograms of loads is the HOPP of 1-30g/10min or in the COPP one or both.
In preferred embodiment of the present invention, described spun glass is a kind of in alkali free glass fibre, medium-alkali glass fibre, the high-strength glass fibre.
In preferred embodiment of the present invention, described interfacial agents is a bismaleimides, a kind of in Vestolen PP 7052-maleic anhydride graft copolymer or the silane coupling agent.
In preferred embodiment of the present invention, described interfacial agents is Vestolen PP 7052-maleic anhydride graft copolymer.
In preferred embodiment of the present invention, described processing aid is one or more in calcium stearate, Triple Pressed Stearic Acid, aluminic acid lipoprotein, titanic acid ester or the paraffin.
In preferred embodiment of the present invention, described softening agent is a phthalate, is cold-resistant plasticizer.
The invention also discloses a kind of preparation method of glass fiber reinforced polypropylene composite material, concrete preparation process is following:
(1) Vestolen PP 7052, interfacial agents, processing aid, softening agent and oxidation inhibitor are joined to make it thorough mixing in the mixing machine even;
(2) mixture that step (1) is obtained joins in the twin screw extruder;
(3) mixed melt is clamp-oned in the dipping grinding tool that is connected with the twin screw extruder head, again spun glass is passed through impregnation mold, cool off, draw and cut and draw, get glass fiber reinforced polypropylene composite material.
In preferred embodiment of the present invention, in the described step (2), the twin screw extruder temperature is established 6 sections altogether, and first section and second section extrusion temperature are at 180-250 ℃, and other several sections extrusion temperatures are at 250-300 ℃, and engine speed is controlled at 300-500 rev/min.
In preferred embodiment of the present invention, in the described step (3), the dipping temperature of impregnation mold is 260-300 ℃.
Owing to adopt above-mentioned technique means; The viscosifying power at the prepared glass fiber reinforced polypropylene composite material of the present invention interface, tensile strength, shock strength and extension at break degree all are greatly improved than prior art, and this invented technology method is simple; Cost is low; Environmentally safe, the spun glass after the processing can not bond together, and manufacturability is high.
Embodiment
In conjunction with the preferred embodiments the present invention is done further detailed explanation now.
Embodiment 1
A kind of glass fiber reinforced polypropylene composite material; Comprise that specific density is 0.89-0.92; At 230 ℃, the melt flow rate under 2.16 kilograms of loads is 1 part of 5 parts of 30 parts of 80 parts of HOPPs, alkali free glass fibres, bismaleimidess, calcium stearate, 0.1 part of the phthalate of 1-30g/10min.
Operation as follows:
(1) HOPP, bismaleimides, calcium stearate, phthalate are joined to make it thorough mixing in the mixing machine even;
(2) mixture that step (1) is obtained joins in the twin screw extruder, and first section and second section extrusion temperature are at 180 ℃, and other several sections extrusion temperatures are at 250 ℃, and engine speed is controlled at 300 rev/mins;
(3) mixed melt is clamp-oned in the dipping grinding tool that is connected with the twin screw extruder head; Again alkali free glass fibre is passed through impregnation mold; The dipping temperature of impregnation mold is 260 ℃, cools off at last, draws and cut and draw, and gets glass fiber reinforced polypropylene composite material.
Embodiment 2
A kind of glass fiber reinforced polypropylene composite material; Comprise that specific density is 0.89-0.92; At 230 ℃, the melt flow rate under 2.16 kilograms of loads is 2 parts of 2 parts of 7 parts of 25 parts of 90 parts of COPPs, medium-alkali glass fibres, Vestolen PP 7052-maleic anhydride graft copolymers, calcium stearates, Triple Pressed Stearic Acid, 0.3 part of the phthalate of 1-30g/10min.
Operation as follows:
(1) COPP, Vestolen PP 7052-maleic anhydride graft copolymer, calcium stearate, Triple Pressed Stearic Acid, phthalate are joined to make it thorough mixing in the mixing machine even;
(2) mixture that step (1) is obtained joins in the twin screw extruder, and first section and second section extrusion temperature are at 200 ℃, and other several sections extrusion temperatures are at 270 ℃, and engine speed is controlled at 400 rev/mins;
(3) mixed melt is clamp-oned in the dipping grinding tool that is connected with the twin screw extruder head; Again medium-alkali glass fibre is passed through impregnation mold; The dipping temperature of impregnation mold is 280 ℃, cools off at last, draws and cut and draw, and gets glass fiber reinforced polypropylene composite material.
Embodiment 3
A kind of glass fiber reinforced polypropylene composite material; Comprise that specific density is 0.89-0.92; At 230 ℃, the melt flow rate under 2.16 kilograms of loads is HOPP and each 50 parts of COPPs, 15 parts of high-strength glass fibres, 10 parts of silane coupling agents, 5 parts in paraffin, 0.5 part of the phthalate of 1-30g/10min.
Operation as follows:
(1) HOPP, COPP, silane coupling agent, paraffin, phthalate are joined to make it thorough mixing in the mixing machine even;
(2) mixture that step (1) is obtained joins in the twin screw extruder, and first section and second section extrusion temperature are at 250 ℃, and other several sections extrusion temperatures are at 300 ℃, and engine speed is controlled at 500 rev/mins;
(3) mixed melt is clamp-oned in the dipping grinding tool that is connected with the twin screw extruder head; Again high-strength glass fibre is passed through impregnation mold; The dipping temperature of impregnation mold is 300 ℃, cools off at last, draws and cut and draw, and gets glass fiber reinforced polypropylene composite material.
Spun glass/Properties of Polypropylene Composite that embodiment 1-3 prepares is following:
| Test item | Examination criteria | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 |
| Flexural strength | GB1449-83 | MPa | 90 | 115 | 120 |
| Tensile strength | GB1447-83 | MPa | 89 | 95 | 100 |
| Impelling strength | GB/T1043-93 | KJ/M2 | 16.4 | 17.8 | 18.2 |
Can draw thus, the matrix material of method preparation of the present invention, mechanical property is good.Tensile strength, flexural strength and impelling strength are better, and the over-all properties of material is desirable.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and through above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the specification sheets, must confirm its technical scope according to the claim scope.
Claims (10)
1. a glass fiber reinforced polypropylene composite material is characterized in that, comprises following component and parts by weight:
Vestolen PP 7052 80-100 part,
Spun glass 15-30 part,
Interfacial agents 5-10 part,
Processing aid 1-5 part,
Softening agent 0-0.5 part.
2. glass fiber reinforced polypropylene composite material according to claim 1; It is characterized in that; Described Vestolen PP 7052 is that specific density is 0.89-0.92; At 230 ℃, the melt flow rate under 2.16 kilograms of loads is the HOPP of 1-30g/10min or in the COPP one or both.
3. glass fiber reinforced polypropylene composite material according to claim 1 is characterized in that, described spun glass is a kind of in alkali free glass fibre, medium-alkali glass fibre, the high-strength glass fibre.
4. glass fiber reinforced polypropylene composite material according to claim 1 is characterized in that, described interfacial agents is a bismaleimides, a kind of in Vestolen PP 7052-maleic anhydride graft copolymer or the silane coupling agent.
5. glass fiber reinforced polypropylene composite material according to claim 4 is characterized in that, described interfacial agents is Vestolen PP 7052-maleic anhydride graft copolymer.
6. glass fiber reinforced polypropylene composite material according to claim 1 is characterized in that, described processing aid is one or more in calcium stearate, Triple Pressed Stearic Acid, aluminic acid lipoprotein, titanic acid ester or the paraffin.
7. glass fiber reinforced polypropylene composite material according to claim 1 is characterized in that, described softening agent is a phthalate, is cold-resistant plasticizer.
8. the preparation method of a glass fiber reinforced polypropylene composite material is characterized in that concrete preparation process is following:
(1) Vestolen PP 7052, interfacial agents, processing aid, softening agent and oxidation inhibitor are joined to make it thorough mixing in the mixing machine even;
(2) mixture that step (1) is obtained joins in the twin screw extruder;
(3) mixed melt is clamp-oned in the dipping grinding tool that is connected with the twin screw extruder head, again spun glass is passed through impregnation mold, cool off, draw and cut and draw, get glass fiber reinforced polypropylene composite material.
9. the preparation method of glass fiber reinforced polypropylene composite material according to claim 8; It is characterized in that; In the described step (2), the twin screw extruder temperature is established 6 sections altogether, and first section and second section extrusion temperature are at 180-250 ℃; Other several sections extrusion temperatures are at 250-300 ℃, and engine speed is controlled at 300-500 rev/min.
10. the preparation method of glass fiber reinforced polypropylene composite material according to claim 8 is characterized in that, in the described step (3), the dipping temperature of impregnation mold is 260-300 ℃.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585378A (en) * | 2012-03-17 | 2012-07-18 | 杭州金州高分子科技有限公司 | High heat resistant glass fiber enhanced halogen-free flame retardant polypropylene and preparation method thereof |
| CN103571046A (en) * | 2012-08-03 | 2014-02-12 | 辽宁辽杰科技有限公司 | Ultra-high strength glass fiber reinforced thermoplastic resin composite plate and preparation method thereof |
| CN105524393A (en) * | 2016-01-30 | 2016-04-27 | 宁波喜悦塑料包装品有限公司 | PP (polypropylene) material with high cold resistance and preparation method of PP material |
| CN108149365A (en) * | 2018-01-19 | 2018-06-12 | 浙江新辉纺织机械有限公司 | A kind of pulley gear for high speed weaving rapier loom |
| CN108276664A (en) * | 2017-12-29 | 2018-07-13 | 上海日之升科技有限公司 | Switch on wall fire-retardant continuous long glass fiber reinforced PP materials and preparation method thereof |
| CN108892854A (en) * | 2018-04-24 | 2018-11-27 | 嘉兴希卡姆复合材料有限公司 | A kind of high-performance polypropylene compound material and preparation method thereof |
| CN111925592A (en) * | 2020-08-03 | 2020-11-13 | 日彩复合塑料(深圳)有限公司 | Glass fiber-added polypropylene plastic and preparation method thereof |
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| CN101712780A (en) * | 2009-08-25 | 2010-05-26 | 上海普利特复合材料股份有限公司 | Low-density, high-rigidity and high-tenacity polypropylene nano composite material and preparation method thereof |
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| CN1740234A (en) * | 2005-09-16 | 2006-03-01 | 浙江诚信包装材料有限公司 | Making process of compound wood-plastic material product |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102585378A (en) * | 2012-03-17 | 2012-07-18 | 杭州金州高分子科技有限公司 | High heat resistant glass fiber enhanced halogen-free flame retardant polypropylene and preparation method thereof |
| CN102585378B (en) * | 2012-03-17 | 2014-07-30 | 杭州金州高分子科技有限公司 | High heat resistant glass fiber enhanced halogen-free flame retardant polypropylene and preparation method thereof |
| CN103571046A (en) * | 2012-08-03 | 2014-02-12 | 辽宁辽杰科技有限公司 | Ultra-high strength glass fiber reinforced thermoplastic resin composite plate and preparation method thereof |
| CN105524393A (en) * | 2016-01-30 | 2016-04-27 | 宁波喜悦塑料包装品有限公司 | PP (polypropylene) material with high cold resistance and preparation method of PP material |
| CN108276664A (en) * | 2017-12-29 | 2018-07-13 | 上海日之升科技有限公司 | Switch on wall fire-retardant continuous long glass fiber reinforced PP materials and preparation method thereof |
| CN108276664B (en) * | 2017-12-29 | 2020-08-25 | 上海日之升科技有限公司 | Flame-retardant continuous long glass fiber reinforced PP (polypropylene) material for wall switch and preparation method thereof |
| CN108149365A (en) * | 2018-01-19 | 2018-06-12 | 浙江新辉纺织机械有限公司 | A kind of pulley gear for high speed weaving rapier loom |
| CN108149365B (en) * | 2018-01-19 | 2024-02-20 | 罗英梅 | Pulley device for high-speed rapier machine |
| CN108892854A (en) * | 2018-04-24 | 2018-11-27 | 嘉兴希卡姆复合材料有限公司 | A kind of high-performance polypropylene compound material and preparation method thereof |
| CN111925592A (en) * | 2020-08-03 | 2020-11-13 | 日彩复合塑料(深圳)有限公司 | Glass fiber-added polypropylene plastic and preparation method thereof |
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Application publication date: 20120307 |