CN1094420A - The modified polypropylene material of high-toughness weather-proof - Google Patents
The modified polypropylene material of high-toughness weather-proof Download PDFInfo
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- CN1094420A CN1094420A CN 93104812 CN93104812A CN1094420A CN 1094420 A CN1094420 A CN 1094420A CN 93104812 CN93104812 CN 93104812 CN 93104812 A CN93104812 A CN 93104812A CN 1094420 A CN1094420 A CN 1094420A
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Abstract
The present invention relates to the weatherable modified polypropylene material of a kind of high-ductility, its composition (W%) is: Co-polypropylene (MFI＞3) 40～50, rubber/mould master batch 40～50, oxidation inhibitor master batch 2～5, photostabilizer master batch 2～6, black agglomerate 1～2, above-mentioned various materials are uniform mixing in proportion, under 200～240 ℃ of conditions of processing temperature, granulation in twin screw extruder, screw speed is 200～250 rev/mins, and product is a bulk goods.
Modified polypropylene material of the present invention is a kind of tenacity excellent, intensity height, light, Heat stability is good, the material that is mixed that also has characteristics such as cold and corrosion resistant, its performance is better than imported materials and items, be applicable to vehicle collision bumper materials such as making car Santana, the present invention also can extensively promote the use of in automobile industry, household appliances industry.
Description
The present invention relates to the weatherable modified polypropylene material of a kind of high-ductility.
Polypropylene material is one of industrial production important source material, it can be widely used in fields such as weaving, electronics, machinery, building materials, electrical equipment, they also are not quite similar to the polypropylene material performance demands, the polypropylene material of producing is still not really desirable in characteristics such as mechanical property, photo and thermal stability and cold and corrosion resistants at present, therefore is subjected to certain limitation on some high-tech sectors are used.At present, the imported materials and items light stability that Santana (Santana) car bumper is used is not high, according to the P-VW3902 standard, in the xenon rayed after 3000 hours, colour fastness＜4.5 grade, impelling strength is not enough, seminess is arranged, and cost an arm and a leg, polypropylene price 28 per ton, about 000 yuan, therefore prior art does not satisfy bumper to material height snappiness and good rigidity and fast light, heat-resisting, performance demands such as cold-resistant, and because imported materials and items price height, the industry of incompatibility domestic automobile reduces the trend of vehicle cost, so develop the collision bumper materials of domestic high-quality low-cost, have important economic benefit and social benefit.
The objective of the invention is to overcome the defective that existing modified polypropylene material exists, the material that is mixed of characteristics such as a kind of tenacity excellent, intensity height, photo and thermal stability are good, cold-resistant, erosion resistance is provided, be the weatherable modified polypropylene resin material of high tenacity, make Santana (Santana) car bumper materials production domesticization.
Realize that technical scheme of the present invention is:
One, modified polypropene starting material blending process:
1, rubber/the mould preparation of master batch (polypropylene/ethylene-propylene rubber(EPR) master batch)
Forming (parts by weight) is:
Co-polypropylene (MFI＞3) (I) 20～30
Terpolymer EP rubber 10～30
Phosphite and phenolic antioxidant mixture (II) 0.01～0.03
After above-mentioned various materials mix in proportion, under 190～230 ℃ of conditions of temperature, granulation in twin screw extruder, 200～250 rev/mins of screw speeds, the master batch that makes is stand-by.
2, the preparation of oxidation inhibitor master batch
Forming (parts by weight) is:
Terpolymer EP rubber or Co-polypropylene (I) 2～6
Phosphite and phenolic antioxidant mixture (II) 0.05～0.3
Lubricant 0.05～0.2
The preparation method is: a, when making carrier with terpolymer EP rubber, in proportion with phosphite and phenolic antioxidant mixture (II), mix lubricant is even, at room temperature use twin-roll plastic mixing mill, roll-in reaches broken granulation in flakes, or b, with Co-polypropylene (I) when making carrier, even with phosphite and phenolic antioxidant mixture (II), mix lubricant in proportion, under 190～220 ℃ of conditions of processing temperature, use the twin screw extruder granulation.The master batch for preparing is stand-by.
3, the preparation of photostabilizer master batch
Forming (parts by weight) is:
Terpolymer EP rubber or Co-polypropylene (I) 2～6
Ammonia photostabilizer 0.2～0.8 is obstructed
The preparation method is: when a makes carrier with terpolymer EP rubber, mix with the ammonia photostabilizer that is obstructed in proportion, use twin-roll plastic mixing mill at ambient temperature, roll-in reaches broken granulation in flakes, or b is with Co-polypropylene (I) when making carrier, mix with the ammonia photostabilizer that is obstructed in proportion, under 190～220 ℃ of conditions of processing temperature, use the twin screw extruder granulation.The master batch for preparing is stand-by.
Two, modified polypropene prescription and technology
Material is formed (parts by weight):
Co-polypropylene (MFI＞3) 40～50
Rubber/mould master batch 40～50
Oxidation inhibitor master batch 2～5
Photostabilizer master batch 2～6
Black agglomerate 1～2
B preparation technology
Various materials among a are mixed in proportion, under 200～240 ℃ of processing temperatures, granulation in twin screw extruder, screw speed is 200～250 rev/mins, its material shape is granular.
The weatherable modified polypropylene material of high-ductility of the present invention is compared with current material has following advantage:
1, modified polypropylene material of the present invention, light stability is good, according to the P-VW3902 standard with xenon lamp according to after 3000 hours, colour fastness is 4.5 grades, and present similar import material with xenon lamp according to 2000 hours, colour fastness only is 4 grades.
2, the good flawless phenomenon of modified polypropylene material impelling strength of the present invention is better than similar import material.
3, modified polypropylene material production cost of the present invention is lower than import material, can make the car bumper materials production domesticization of existing Santana (Santana), saves a large amount of foreign exchanges for country is annual.
4, modified polypropylene material of the present invention can be selected for use and make the high-grade bumper and the plastic components of household electrical appliance high tenacity.
Embodiment: produce the 10kg modified polypropylene material
1, modified polypropene raw material preparing:
A prepares rubber/mould master batch
Take by weighing Co-polypropylene (I) 2.8kg, terpolymer EP rubber 2.5kg, mixture (II) 100 grams mix them under 210 ℃ of conditions of processing temperature, granulation in twin screw extruder, screw speed is 200 rev/mins, the master batch of making is stand-by.
B prepares the oxidation inhibitor master batch
Take by weighing terpolymer EP rubber 460 grams, calcium stearate 20 grams, mixture (II) 60 grams are at room temperature used twin-roll plastic mixing mill with its mixing, and the in blocks and broken granulation of roll-in is stand-by.
C prepares light and stablizes master batch
Take by weighing terpolymer EP rubber 600 grams, ammonia photostabilizer 622 120 grams that are obstructed with its mixing at room temperature, are used twin-roll plastic mixing mill, and the in blocks and broken granulation of roll-in is stand-by.
2, the modified polypropene technology that is mixed
Take by weighing Co-polypropylene (I) 5.0kg, rubber/mould master batch 4.4kg, oxidation inhibitor master batch 400 grams, photostabilizer master batch 200 grams, black agglomerate 100 grams, these material mixing are even, under 210 ℃ of processing temperatures, granulation in twin screw extruder, screw speed is 200 rev/mins, and institute is the weatherable modified polypropene pellet of high-ductility with product.
Claims (5)
1, the weatherable modified polypropylene material of a kind of high-ductility is characterized in that material composition (W%) is:
Co-polypropylene (MFI＞3) 40～50
Rubber/mould master batch (polypropylene/ethylene-propylene rubber(EPR) master batch) 40～50
Oxidation inhibitor master batch 2～5
Photostabilizer master batch 2～6
Black agglomerate 1～2
Above-mentioned various materials are uniform mixing in proportion, granulation in twin screw extruder, and its processing condition are: 200～240 ℃ of temperature, 200～250 rev/mins of screw speeds.
2, material according to claim 1 is characterized in that described rubber/mould master batch forms (parts by weight) and be:
Co-polypropylene (MFI＞3) (I) 20～30
Terpolymer EP rubber 10～30
Phosphite and phenolic antioxidant mixture (II) 0.01～0.03
After above-mentioned various materials mix in proportion, granulation in twin screw extruder, its processing condition are: 190～230 ℃ of temperature, 200～250 rev/mins of screw speeds.
3, material according to claim 1 is characterized in that described oxidation inhibitor master batch composition (parts by weight) is:
Terpolymer EP rubber or polypropylene (I) 2～6
Phosphite and phenolic antioxidant mixture (II) 0.05～0.3
Lubricant 0.05～0.2
The preparation method is: a, when making carrier with terpolymer EP rubber, in proportion with mixture (II), mix lubricant is even, at room temperature use twin-roll plastic mixing mill, roll-in reaches broken granulation in flakes, or b, with Co-polypropylene (I) when making carrier, even with mixture (II), mix lubricant in proportion, under 190～220 ℃ of conditions, use the twin screw extruder granulation.
4, material according to claim 1 is characterized in that described photostabilizer master batch composition (parts by weight) is:
Terpolymer EP rubber or Co-polypropylene (I) 2～6
Ammonia photostabilizer 0.2～0.8 is obstructed
The preparation method is: when a makes carrier with terpolymer EP rubber, mix with the ammonia photostabilizer that is obstructed in proportion, use twin-roll plastic mixing mill at ambient temperature, roll-in reaches broken granulation in flakes, or b, with Co-polypropylene (I) when making carrier, mix with the ammonia photostabilizer that is obstructed in proportion, under 190～220 ℃ of conditions, use the twin screw extruder granulation.
5, the weatherable modified polypropylene material of a kind of high-ductility is characterized in that this material can be used for the processing and manufacturing bumper, household electrical appliance high toughness plastic parts etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93104812 CN1094420A (en) | 1993-04-28 | 1993-04-28 | The modified polypropylene material of high-toughness weather-proof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93104812 CN1094420A (en) | 1993-04-28 | 1993-04-28 | The modified polypropylene material of high-toughness weather-proof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1094420A true CN1094420A (en) | 1994-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93104812 Pending CN1094420A (en) | 1993-04-28 | 1993-04-28 | The modified polypropylene material of high-toughness weather-proof |
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| Country | Link |
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| CN (1) | CN1094420A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173005A (en) * | 2010-12-30 | 2011-09-07 | 金发科技股份有限公司 | Method for granulating polymer powder |
| CN101717544B (en) * | 2008-10-09 | 2012-02-08 | 金发科技股份有限公司 | Black polypropylene anti-corrosive material and method for preparing same |
| CN104130569A (en) * | 2014-07-31 | 2014-11-05 | 晋德塑料科技(东莞)有限公司 | Polyamide composition with improved light-heat aging performance |
-
1993
- 1993-04-28 CN CN 93104812 patent/CN1094420A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101717544B (en) * | 2008-10-09 | 2012-02-08 | 金发科技股份有限公司 | Black polypropylene anti-corrosive material and method for preparing same |
| CN102173005A (en) * | 2010-12-30 | 2011-09-07 | 金发科技股份有限公司 | Method for granulating polymer powder |
| CN104130569A (en) * | 2014-07-31 | 2014-11-05 | 晋德塑料科技(东莞)有限公司 | Polyamide composition with improved light-heat aging performance |
| CN104130569B (en) * | 2014-07-31 | 2016-04-27 | 江苏晋伦塑料科技有限公司 | A kind of daiamid composition improving light-heat aging performance |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |