CN1468897A - Composite polypropylene material containing potassium titanate whisker and glass fiber - Google Patents
Composite polypropylene material containing potassium titanate whisker and glass fiber Download PDFInfo
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- CN1468897A CN1468897A CNA031291678A CN03129167A CN1468897A CN 1468897 A CN1468897 A CN 1468897A CN A031291678 A CNA031291678 A CN A031291678A CN 03129167 A CN03129167 A CN 03129167A CN 1468897 A CN1468897 A CN 1468897A
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- potassium titanate
- glass fibre
- crystal whisker
- composite material
- polypropylene
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Abstract
The present invention relates to composite material, and is especially composite polypropylene material containing potassium titanate whisker and glass fiber. The composite material consists of (in weight portions) polypropylene400-600, potassium titanate whisker 1-400, glass fiber 150-400, inorganic stuffing 0-100, plasticizer 50-200 and other assistant 30-240. Owing to the special performance and modifying effect of potassium titanate whisker on polypropylene, glass fiber is made to combine with polypropylene stably and strongly, and this improves the performance of the composite material, including raised strength, impact resistance, heat resistance, heat insulating performance and gas permeating resistance and thus wider application range.
Description
Technical field
The present invention relates to a kind of matrix material, relate in particular to the polypropylene composite material that contains potassium titanate crystal whisker and glass fibre.
Background technology
Polypropylene is a kind of nontoxic, water-absorbent is low, chemical stability is good thermoplastic material, simultaneously, because the higher mechanical strength that it had, be suitable for being processed into the product of different shape, add the price that it is cheap, therefore, polypropylene is very wide in the application prospect of all trades and professions.But, because big, the anti-low temperature brittleness of crystalling propylene tendency is poor, the dimensional contraction rate is big, the defective of rigidity deficiency etc. exists, at present, the employed polypropylene of every profession and trade, it all is polypropylene through filling, enhancing, blend and technology modification such as compound, Chinese patent application number 01108594.0 discloses a kind of primitive fiber/ultramicro powder/polypropylene composite material, its feed composition comprises polypropylene 70-100 by weight, primitive fiber 5-30, inorganic micron or nanoparticle 0.5-20, auxiliary agent 0.05-20.Wherein, polypropylene is one or more in random copolymerization propylene, block copolymerization propylene or other tubing grade polypropylene; Primitive fiber is a kind of in alkali free glass fibre, calcium carbonate crystal whisker, magnesium sulfate crystal whisker and the potassium titanate crystal whisker; Inorganic ultramicro powder is one or more in wollastonite, talcum powder, lime carbonate, mica powder, kaolin, organise layered silicate and the silicon-dioxide.Obtain toughness, strength rigid and hot expansibility and take into account the polypropylene composite material that equilibrated is used for tubing.
Summary of the invention
The present invention has overcome polypropylene tensile strength after original modification, low temperature impact performance, rigidity and has promoted unfavorable defective, and a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre is provided.The polypropylene composite material that this contains potassium titanate crystal whisker and glass fibre has solved original polypropylene modification back draft intensity, low temperature impact performance, rigidity and has promoted unfavorable defective.
The present invention is achieved in that a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre comprises polypropylene 400-600, glass fibre 150-400, potassium titanate crystal whisker 1-400, other auxiliary agent 30-240, mineral filler 0-100, softening agent 50-200 by weight;
Above-mentioned a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, potassium titanate crystal whisker is a crystal whisker of hexa potassium titanate, and its thermal conductivity is 0.0596w/MK, and tensile strength is 7GPa, and mean diameter is 0.21-1.5 μ m, true specific gravity is 3.1-3.3g/cm
3, Bulk Specific Gravity is 0.38g/cm
3, 1200 ℃ of heat resisting temperatures (in air), fusing point＞1350 ℃, footpath mouthful toxicity (LD30) is 500mg/kg, electrical property 3.3 * 10
15QM, Young's modulus 280GPa, not for hardness 4.0, thermal expansivity 6.8 * 10
-6/ K, pH value (being scattered in the water) is 8-9;
Above-mentioned a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, polypropylene melt index is 0.2-0.5g/10min, tensile strength 〉=22MPa;
Above-mentioned a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, glass fibre is an alkali free glass fibre, and its metric system number is the 1000-2500 tex, and diameter is the 10-16 micron;
Above-mentioned a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, other auxiliary agent is compatilizer, coupling agent, linking agent, oxidation inhibitor and molecular weight regulator;
Above-mentioned a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, softening agent is a cold-resistant plasticizer, used softening agent is a phthalate;
Above-mentioned a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre, mineral filler are mica, talcum powder, lime carbonate, barium sulfate class inorganic materials;
It is matrix resin that the present invention adopts polypropylene, the auxiliary agent that adds corresponding content, as compatilizer, coupling agent, linking agent, oxidation inhibitor and molecular weight regulator, interface binding power between glass fibre and the polypropylene is strengthened, and glass fibre combines reinforcement with ionic linkage between the polypropylene, and make that contained free molecule is cross-linked with each other in the polypropylene, become a reticulated structure system; After particularly adding potassium titanate crystal whisker, because the molecular structure of potassium titanate crystal whisker is chain tunnel structure, its molecular formula is K
2Ti
6O
13, K
+Ion occupies in the middle of the tunnel, and this structure makes K
+Ion has high stability, thereby make potassium titanate crystal whisker have the high temperature sound-absorbing, chemical stability, insulativity, reflected infrared, good corrosion prevention performance etc., these characteristics of potassium titanate crystal whisker, MODIFICATION OF POLYPROPYLENE has been played considerable effect, make in the polypropylene combining stable more and strengthen between glass fibre and polypropylene, thereby polyacrylic intensity with original modification, shock-resistance, thermotolerance further improves, greatly increased simultaneously polyacrylic heat retaining property (thermal conductivity is minimum) again and intercepted gas permeability, made the polyacrylic scope of application more wide.
Embodiment
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1: with random copolymerization propylene base mateiral, be compatilizer with maleic anhydride branch polypropylene (PP-g-MAH), alkali free glass fibre, potassium titanate crystal whisker are as strengthening material, and the content of other blend component (weight part) is as follows:
Random copolymerization propylene 560
Potassium titanate crystal whisker 80
Alkali free glass fibre 320
Compatilizer PP-g-MAH 40
Silane coupling agent 3
Bismaleimides 3
Antioxidant 1010 3
Talcum powder 40
Cold-resistant plasticizer 40
Above-mentioned component except that glass fibre was placed high-speed mixer and mixing 2-3 minute, and extruding pelletization adds glass fibre in extrusion then, is injection molded into the standard batten after the drying, and for performance test, performance is as follows:
| Tensile strength MPa | ????90.78 |
| Simply supported beam notched Izod impact strength KJ/m 2 | ????30.45 |
| Heat-drawn wire (1.82MPa) ℃ | ????152 |
| Thermal expansivity ℃ -1 | ????5.81×10 -5 |
| Thermal conductivity W/mK | ????0.089 |
Embodiment 2-6: the material component proportioning is as follows:
| Embodiment | ????2 | ????3 | ????4 | ????5 | ????6 |
| The random copolymerization propylene | ????500 | ????550 | ????600 | ????600 | ????400 |
| Potassium titanate crystal whisker | ????1 | ????100 | ????150 | ????200 | ????400 |
| Alkali free glass fibre | ????400 | ????300 | ????160 | ????160 | ????150 |
| Compatilizer PP-g-MAH | ????30 | ????30 | ????80 | ????30 | ????40 |
| Silane coupling agent | ????10 | ????8 | ????6 | ????4 | ????1 |
| Bismaleimides | ????1 | ????3 | ????5 | ????7 | ????10 |
| Antioxidant 1010 | ????2 | ????2 | ????2 | ????1 | ????3 |
| Talcum powder | ????10 | ????30 | ????30 | ????50 | ????30 |
| Cold-resistant plasticizer | ????100 | ????50 | ????60 | ????60 | ????80 |
The operation of embodiment 2-6 and testing method are identical with embodiment 1.Test result is as follows:
| Embodiment | ????2 | ????3 | ????4 | ????5 | ????6 |
| Tensile strength MPa | ????50.78 | ????92.76 | ????100.23 | ????110.21 | ????117.56 |
| Simply supported beam notched Izod impact strength KJ/m 2 | ????25.12 | ????32.24 | ????38.97 | ????41.11 | ????45.67 |
| Heat-drawn wire (1.82MPa) ℃ | ????130 | ????155 | ????160 | ????165 | ????167 |
| Thermal expansivity ℃ -1 | ????5.85×10 -5 | ????5.79×10 -5 | ???5.93×10 -5 | ????5.87×10 -5 | ????5.67×10 -5 |
| Thermal conductivity W/mK | ????0.19 | ????0.086 | ????0.084 | ????0.081 | ????0.080 |
By above evidence, because the present invention adds potassium titanate crystal whisker and glass fibre in polypropylene after, its correlated performance has obtained bigger raising than original polypropylene, and particularly thermal conductivity is minimum, makes more wide through the polyacrylic range of application of modification of the present invention.
Claims (7)
1, a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre is characterized in that it comprises following component and content (weight part):
Polypropylene 400-600
Glass fibre 150-400
Potassium titanate crystal whisker 1-400
Other auxiliary agent 30-240
Mineral filler 0-100
Softening agent 50-200
2, a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1, it is characterized in that potassium titanate crystal whisker is a crystal whisker of hexa potassium titanate, its thermal conductivity is 0.0596w/MK, and tensile strength is 7GPa, mean diameter is 0.21-1.5 μ m, and true specific gravity is 3.1-3.3g/cm
3, Bulk Specific Gravity is 0.38g/cm
3, 1200 ℃ of heat resisting temperatures (in air), fusing point＞1350 ℃, footpath mouthful toxicity (LD30) is 500mg/kg, electrical property 3.3 * 10
15QM, Young's modulus 280GPa, not for hardness 4.0, thermal expansivity 6.8 * 10
-6/ K, pH value (being scattered in the water) is 8-9.
3, a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1 is characterized in that polypropylene melt index is 0.2-0.5g/10min, tensile strength 〉=22MPa.
4, a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1 is characterized in that glass fibre is an alkali free glass fibre, and its metric system number is the 1000-2500 tex, and diameter is the 10-16 micron.
5, a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1 is characterized in that other auxiliary agent is compatilizer, coupling agent, linking agent, oxidation inhibitor and molecular weight regulator.
6, a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1 is characterized in that softening agent is a cold-resistant plasticizer, and used softening agent is a phthalate.
7, a kind of polypropylene composite material that contains potassium titanate crystal whisker and glass fibre according to claim 1 is characterized in that mineral filler is mica, talcum powder, lime carbonate, barium sulfate class inorganic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031291678A CN1318499C (en) | 2003-06-10 | 2003-06-10 | Composite polypropylene material containing potassium titanate whisker and glass fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031291678A CN1318499C (en) | 2003-06-10 | 2003-06-10 | Composite polypropylene material containing potassium titanate whisker and glass fiber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1468897A true CN1468897A (en) | 2004-01-21 |
| CN1318499C CN1318499C (en) | 2007-05-30 |
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|---|---|---|---|
| CNB031291678A Expired - Fee Related CN1318499C (en) | 2003-06-10 | 2003-06-10 | Composite polypropylene material containing potassium titanate whisker and glass fiber |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400588C (en) * | 2005-12-09 | 2008-07-09 | 胡惠祥 | Polypropylene plastic and preparation process thereof |
| CN101693776B (en) * | 2009-09-18 | 2011-09-28 | 苏州禾盛新型材料股份有限公司 | Novel high-intensity high heat-resistance polypropylene modified composite material and preparation method thereof |
| CN102352063A (en) * | 2011-09-09 | 2012-02-15 | 甄青松 | Oxygen barrier composite material and preparation method thereof |
| CN103289197A (en) * | 2013-06-09 | 2013-09-11 | 苏州禾昌聚合材料股份有限公司 | Polypropylene composite material containing potassium titanate whiskers and glass fibers and preparation method thereof |
| CN101735508B (en) * | 2008-11-05 | 2013-11-06 | 金发科技股份有限公司 | High weld mark strength reinforced polypropylene material and preparation method thereof |
| CN104231443A (en) * | 2014-10-14 | 2014-12-24 | 景津环保股份有限公司 | High temperature resistant polypropylene filter plate and preparation method thereof |
| CN104788792A (en) * | 2015-05-11 | 2015-07-22 | 大连交通大学 | Method for preparing high-energy and low-temperature ball-milled and continuously-extruded composite and composite prepared by using method |
| CN105061892A (en) * | 2015-08-14 | 2015-11-18 | 吉林省松花湖管业有限公司 | Fiber-reinforced polypropylene material and application of pipelines made from fiber-reinforced polypropylene material |
| CN106117790A (en) * | 2016-07-07 | 2016-11-16 | 蚌埠海明压铸机有限公司 | A kind of high temperature resistant aging resistance modified plastic particles |
| CN106147024A (en) * | 2016-07-07 | 2016-11-23 | 蚌埠海明压铸机有限公司 | A kind of high-performance high-quality modified plastic particles |
| CN107880397A (en) * | 2017-12-19 | 2018-04-06 | 芜湖盈奇塑业有限公司 | A kind of water horse high-performance degradable polypropylene composite |
| CN111961285A (en) * | 2020-08-26 | 2020-11-20 | 安徽国泰智能科技有限公司 | Modified polypropylene kuppe for van |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07107116B2 (en) * | 1986-12-04 | 1995-11-15 | 出光石油化学株式会社 | Polypropylene resin composition |
| JP2767051B2 (en) * | 1989-02-21 | 1998-06-18 | 住友化学工業株式会社 | Polypropylene resin composition |
| JP3472933B2 (en) * | 1993-07-16 | 2003-12-02 | 三井化学株式会社 | Polypropylene resin composition and extruded sheet comprising the composition |
| CN1085707C (en) * | 1997-10-23 | 2002-05-29 | 上海市合成树脂研究所 | Potassium titanate crystal whisker reinforced polyimide composite material |
| CN1398914A (en) * | 2001-07-19 | 2003-02-26 | 徐景明 | Whisker-reinforced composite rubber-plastic material |
-
2003
- 2003-06-10 CN CNB031291678A patent/CN1318499C/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400588C (en) * | 2005-12-09 | 2008-07-09 | 胡惠祥 | Polypropylene plastic and preparation process thereof |
| CN101735508B (en) * | 2008-11-05 | 2013-11-06 | 金发科技股份有限公司 | High weld mark strength reinforced polypropylene material and preparation method thereof |
| CN101693776B (en) * | 2009-09-18 | 2011-09-28 | 苏州禾盛新型材料股份有限公司 | Novel high-intensity high heat-resistance polypropylene modified composite material and preparation method thereof |
| CN102352063A (en) * | 2011-09-09 | 2012-02-15 | 甄青松 | Oxygen barrier composite material and preparation method thereof |
| CN103289197B (en) * | 2013-06-09 | 2016-04-27 | 苏州禾昌聚合材料股份有限公司 | Polypropylene composite material of containing potassium titanate whisker and glass fibre and preparation method thereof |
| CN103289197A (en) * | 2013-06-09 | 2013-09-11 | 苏州禾昌聚合材料股份有限公司 | Polypropylene composite material containing potassium titanate whiskers and glass fibers and preparation method thereof |
| CN104231443A (en) * | 2014-10-14 | 2014-12-24 | 景津环保股份有限公司 | High temperature resistant polypropylene filter plate and preparation method thereof |
| CN104788792A (en) * | 2015-05-11 | 2015-07-22 | 大连交通大学 | Method for preparing high-energy and low-temperature ball-milled and continuously-extruded composite and composite prepared by using method |
| CN104788792B (en) * | 2015-05-11 | 2017-03-01 | 大连交通大学 | A kind of method preparing the continuously extruded composite of high energy low temperature ball milling and the composite of the method preparation |
| CN105061892A (en) * | 2015-08-14 | 2015-11-18 | 吉林省松花湖管业有限公司 | Fiber-reinforced polypropylene material and application of pipelines made from fiber-reinforced polypropylene material |
| CN106117790A (en) * | 2016-07-07 | 2016-11-16 | 蚌埠海明压铸机有限公司 | A kind of high temperature resistant aging resistance modified plastic particles |
| CN106147024A (en) * | 2016-07-07 | 2016-11-23 | 蚌埠海明压铸机有限公司 | A kind of high-performance high-quality modified plastic particles |
| CN107880397A (en) * | 2017-12-19 | 2018-04-06 | 芜湖盈奇塑业有限公司 | A kind of water horse high-performance degradable polypropylene composite |
| CN111961285A (en) * | 2020-08-26 | 2020-11-20 | 安徽国泰智能科技有限公司 | Modified polypropylene kuppe for van |
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| CN1318499C (en) | 2007-05-30 |
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