CN102276916B - High-gloss polypropylene material - Google Patents
High-gloss polypropylene material Download PDFInfo
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- CN102276916B CN102276916B CN201110210603.0A CN201110210603A CN102276916B CN 102276916 B CN102276916 B CN 102276916B CN 201110210603 A CN201110210603 A CN 201110210603A CN 102276916 B CN102276916 B CN 102276916B
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Abstract
The invention provides a high-gloss polypropylene material which is characterized by being obtained by physical modification and comprising the following components: 100 parts of polypropylene, 20-35 parts of barium sulfate, 5-20 parts of POE (polyolefin elastomer), 0.1-0.4 part of nucleating agent, 0.1-0.2 part of antioxidant 1010, 0.1-0.2 part of antioxidant 168 and 0.1-0.3 part of lubricant. The modified PP aggregates have low forming shrinkage, high gloss and high toughness and have the advantage of elegant and attractive appearance of acrylonitrile butadiene styrene. Meanwhile, the cost is greatly reduced.
Description
Technical field
The present invention relates to polypropylene (PP) modification field, be specifically related to by the modification to PP, improve glossiness, the toughness of PP and the high-gloss polypropylene material that reduces the shrinking percentage of PP.
Background technology
The adjusting bracket of transfusion device, generally adopts ABS or PP injection moulding, and high-end and accurate transfusion device all adopts ABS to do adjusting bracket, because the adjusting bracket of ABS injection moulding is generous attractive in appearance, adjust flux is accurate, and glossiness is good, but cost is more expensive; And the adjusting bracket of common PP injection moulding, glossiness is low, poor toughness.
Polypropylene is second largest general-purpose plastics of current usage quantity, its excellent combination property, stable chemical performance, moulding processability is better, and cheap, these advantages all become its possibility that can substitute ABS, but PP also exists intensity lower simultaneously, low temperature brittleness is large, becomes second nature and shrinks the shortcomings such as large.For the shortcoming of PP, to by modification, make its glossiness that possesses ABS, toughness, and the performance such as low contraction.
Summary of the invention
The present invention uses PP by modification, and preparation approaches ABS performance and more cheap material modified of price, and then replaces the adjusting bracket of ABS injection moulding transfusion device.
In order to achieve the above object, the present invention has taked following technical scheme: a kind of high-gloss polypropylene material, this polypropylene material is counted by weight ratio by following composition and is made: polypropylene: 100 parts, barium sulfate 20-35 part, POE:5-20 part, nucleator 0.1-0.4 part, antioxidant 1010: 0.1-0.2 part, irgasfos 168: 0.1-0.2 part, lubricant: 0.1-0.3 part.
Wherein barium sulfate is 3000 orders and the powder prepared for the precipitator method, adding of barium sulfate, the molding shrinkage that has greatly reduced PP has improved the intensity of PP simultaneously, POE(POE adopts the ethene of metallocene catalyst and the thermoplastic elastomer that octene is realized in-situ polymerization) add the toughness that has improved PP, make it approach the toughness of ABS.Nucleator two generations Sorbitol Nucleator improves degree of crystallinity two adding of (to phenyl diphenylmethylene) sorbyl alcohol (MDBS), and homogeneous is tiny more also to make nucleus, and the glossiness on PP surface is improved.Oxidation inhibitor add the heat resistance that has improved PP, be more conducive to moulding, lubricant adopts EBS(ethylenebisstearamide), improved mobility and the release property of PP.
A kind of preparation method of high-gloss polypropylene material is as follows:
(1) polypropylene, barium sulfate, POE, nucleator (MDBS), antioxidant 1010, irgasfos 168, EBS are joined to high mixed pot according to above-mentioned formula ratio, stir 30 minutes, make each component fully disperse to obtain compound;
(2) step (1) gained compound is used to parallel double-screw extruder, the pelletizing of water-cooled stripping, 85 ℃ dry obtained high-gloss polypropylene material after 3 hours.
High-gloss polypropylene material performance of the present invention is in Table 1.
Table 1 high-gloss polypropylene material performance test data of the present invention
| Test event | Tensile strength (Mpa) | Flexural strength (Mpa) | Shock strength (KJ/m 2 ) | Glossiness | Molding shrinkage |
| Common PP | 25 | 45 | 10 | 82 | 1.8 |
| The present invention | Be greater than 30 | Be greater than 50 | Be greater than 12 | Higher than 84 | Be less than 0.8 |
Beneficial effect of the present invention is: manufacturing cost of the present invention is lower, but toughness is large, glossiness is high, molding shrinkage is lower.
Embodiment
Embodiment 1
Take polypropylene 100kg, 3000 object barium sulfate 30kg, POE10kg, two (to phenyl diphenylmethylene) sorbyl alcohol 0.25kg, antioxidant 1010 is 0.15kg, irgasfos 168 is 0.15kg, and EBS0.20kg joins the above-mentioned sub-material that respectively becomes taking in high mixed pot, stir 30 minutes, make each component fully disperse to obtain compound; And then compound is used to parallel double-screw extruder, and the pelletizing of water-cooled stripping, 85 ℃ dry obtained high-gloss polypropylene material after 3 hours.
Embodiment 2
Take polypropylene 100kg, 3000 object barium sulfate 20kg, POE5kg, two (to phenyl diphenylmethylene) sorbyl alcohol 0.1kg, antioxidant 1010 is 0.10kg, irgasfos 168 is 0.10kg, and then EBS0.10kg makes high-gloss polypropylene material according to preparation method described in embodiment 1.
Embodiment 3
Take polypropylene 100kg, 3000 object barium sulfate 35kg, POE20kg, two (to phenyl diphenylmethylene) sorbyl alcohol 0.30kg, antioxidant 1010 is 0.20kg, irgasfos 168 is 0.20kg, and then EBS0.30kg makes high-gloss polypropylene material according to preparation method described in embodiment 1.
Claims (2)
1. a preparation method for high-gloss polypropylene material, is characterized in that, this preparation method comprises the following steps:
Take polypropylene 100kg, 3000 object barium sulfate 30kg, POE10kg, two (to phenyl diphenylmethylene) sorbyl alcohol 0.25kg, antioxidant 1010 is 0.15kg, irgasfos 168 is 0.15kg, and ethylenebisstearamide 0.20kg joins the above-mentioned sub-material that respectively becomes taking in high mixed pot, stir 30 minutes, make each component fully disperse to obtain compound; And then compound is used to the pelletizing of parallel double-screw extruder water-cooled stripping, 85 ℃ dry obtained high-gloss polypropylene material after 3 hours.
2. the prepared high-gloss polypropylene material of the preparation method of a high-gloss polypropylene material as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110210603.0A CN102276916B (en) | 2011-07-26 | 2011-07-26 | High-gloss polypropylene material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110210603.0A CN102276916B (en) | 2011-07-26 | 2011-07-26 | High-gloss polypropylene material |
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| CN102276916A CN102276916A (en) | 2011-12-14 |
| CN102276916B true CN102276916B (en) | 2014-03-26 |
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| CN201110210603.0A Active CN102276916B (en) | 2011-07-26 | 2011-07-26 | High-gloss polypropylene material |
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| CN102704558B (en) * | 2012-05-14 | 2013-12-18 | 山东旭日清洁器械有限公司 | Manufacturing method of all-plastic toilet bowl |
| CN105037940A (en) * | 2015-08-04 | 2015-11-11 | 浙江同创电器有限公司 | Highlight polypropylene washing machine panel free from melt marks |
| CN105924797A (en) * | 2016-07-19 | 2016-09-07 | 李英 | Plastic banknote substrate and production method thereof |
| CN107082960A (en) * | 2017-06-13 | 2017-08-22 | 陕西省石油化工研究设计院 | A kind of flame retardant type high-gloss polypropylene composite and preparation method thereof |
| CN107652545A (en) * | 2017-10-27 | 2018-02-02 | 南京德尔隆工程塑料有限公司 | A kind of filling modified polypropylene material and preparation method thereof |
| CN112795083B (en) * | 2020-12-23 | 2022-06-07 | 金发科技股份有限公司 | High-glossiness polypropylene composition and preparation method and application thereof |
| CN114044981A (en) * | 2021-12-10 | 2022-02-15 | 苏州润佳工程塑料股份有限公司 | High-fluidity high-gloss polypropylene material for automotive interior and preparation method thereof |
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