CN102070834A - High-performance odorless colorfast thermoplastic elastomer (TPE) and preparation method thereof - Google Patents
High-performance odorless colorfast thermoplastic elastomer (TPE) and preparation method thereof Download PDFInfo
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- CN102070834A CN102070834A CN2010106112271A CN201010611227A CN102070834A CN 102070834 A CN102070834 A CN 102070834A CN 2010106112271 A CN2010106112271 A CN 2010106112271A CN 201010611227 A CN201010611227 A CN 201010611227A CN 102070834 A CN102070834 A CN 102070834A
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Abstract
The invention discloses a high-performance odorless colorfast thermoplastic elastomer (TPE) and a preparation method thereof. The TPE comprises following raw materials in percentage by weight: 1 to 30 percent of polypropylene, 10 to 20 percent of styrene rubber, 20 to 50 percent of rubber processing oil, 0 to 40 percent of ethylene-octene copolymers, 0 to 40 percent of inorganic filling agents, 0.3 to 1 percent of chemical inhibitors, 0.5 to 5 percent of lubricating agents and 0 to 10 percent of compatilizers, wherein the polypropylene adopts co-polypropylene or homo-polypropylene. The compatibility of the filling materials and the polypropylene and the dispersing performance of the filling materials are improved through adding odorless maleic anhydride grafted polypropylene, so the tensioning and impact intensity of the filled polypropylene is improved. The TPE provided by the invention has a good mechanical performance, is odorless and colorfast and can be used in the fields such as electronic and electric appliances, automobiles, household appliances, sporting goods, medical appliances and the like.
Description
Technical field
The present invention relates to polymeric material field, particularly, relate to the preparation method that a kind of odorlessness does not have the thermoplastic elastomer TPE of colour-change, this material has very wide application in fields such as electronic apparatus, automobile, household electrical appliances, sports goods, medicine equipments.
Background technology
Thermoplastic elastomer (Thermoplastic elastomer, TPE) the lower resilient material of modulus of elasticity normally, can be stretched to repeatedly more than the twice of original length at ambient temperature, and be had the ability that behind stress relieving, almost completely returns to its original length.
Thermoplastic elastomer TPE is a kind of snappiness with rubber, high strength, high resilience, but have the feature of injection moulding processing again, have environment-protecting asepsis safety, durometer level is wide, soft-touch, weathering resistance, fatigue resistance and temperature tolerance, processing characteristics is superior, need not vulcanize, can recycle and reduce cost, both can the quadric injection mould moulding, with body material coating and bondings such as PP, PE, PC, PS, ABS, also moulding separately.
Thermoplastic elastomer had both had the processing characteristics of thermoplastics, had the physicals of vulcanized rubber again, was the advantage combination of plastics and rubber advantage.Thermoplastic elastomer is capturing the manor that only belongs to vulcanized rubber originally without restraint.Over year, the fast development of electronic apparatus, communication and automobile industry has driven the high speed development in thermoplastic elastomer city surplus in the of nearly ten.The high performance elastomer that novel odorlessness does not have colour-change becomes the new demand of industry development.
Summary of the invention
The purpose of this invention is to provide a kind of thermoplastic elastomer TPE, this TPE elastomerics has favorable mechanical processing characteristics and ageing-resistant performance, and odorlessness, does not also have colour-change under hot conditions.
For achieving the above object, the invention provides a kind of high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and this thermoplastic elastomer TPE comprises following raw materials by weight percent:
Polypropylene 1-30%,
Styrenic rubber 10-20%,
RUBBER PROCESS OIL 20-50%,
The rare multipolymer 0-40% of ethene-Xin,
Inorganic filler 0-40%,
Oxidation inhibitor 0.3-1%,
Lubricant 0.5-5%,
Compatilizer 0-10%;
Wherein, described polypropylene is selected Co-polypropylene or homo-polypropylene.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, described styrenic rubber is the poly-and thing SEBS of line style block styrene-divinyl, wherein, comprises weight percentage and be 33% vinylbenzene.SEBS is to be end segment with the polystyrene, and the ethylene-butene copolymer that obtains with the polyhutadiene hydrogenation is the linearity three embedding multipolymers of middle elastomeric block.SEBS does not contain unsaturated double-bond, therefore has satisfactory stability and ageing resistance.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, described RUBBER PROCESS OIL is a naphthenic oil.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, the rare multipolymer of described ethene-Xin is the POE elastomerics.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, described inorganic filler comprises lime carbonate or talcum powder.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, described oxidation inhibitor is that Hinered phenols antioxidant and phosphite ester kind antioxidant are composite.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, described oxidation inhibitor selection oxidation inhibitor 168 and antioxidant 1010 are composite.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, described lubricant is the internal lubricant Zinic stearas.
Above-mentioned high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, and wherein, described compatilizer is the odorlessness maleic anhydride inoculated polypropylene, in order to improve the dispersiveness of filler and polypropylene affinity and filler.So the dispersion of reinforcing filler in polypropylene effectively, thereby the stretching and the shock strength of raising filled polypropylene.
The present invention also provides a kind of high-performance odorlessness not have the preparation method of colour-change thermoplastic elastomer TPE, comprises following concrete steps:
Step 1 takes by weighing raw material by weight percentage: polypropylene 1-30%, styrenic rubber SEBS 10-20%, the rare multipolymer 0-40% of RUBBER PROCESS OIL 20-50%, ethene-Xin, inorganic filler 0-40%, oxidation inhibitor 0.3-1%, lubricant 0.5-5%, compatilizer 0-10%;
Step 2 is put into all raw materials high-speed mixer and mixing 2-5 minute discharging;
Step 3 is put into screw rod machine extruding pelletization with raw materials mixed, and the rotating speed of screw rod machine is 200-400 rev/min, and temperature is 170-200 ℃.
Compared with prior art, the material of the inventive method preparation has odorlessness is not had colour-change, and has good mechanical property and ageing-resistant performance, can be used for fields such as electronic apparatus, automobile, household electrical appliances, sports goods, medicine equipment.
Embodiment
The invention will be further described below in conjunction with specific embodiment, but the present invention's scope required for protection is not limited to the scope that embodiment puts down in writing.
Embodiment 1 ~ 3
All components was joined high-speed mixer and mixing 5 minutes by the weight percentage shown in the table 1, use extruding pelletization in the twin screw extruder then, technological temperature is at 190 ℃, and screw speed is at 400 rev/mins.Obtaining high performance odorlessness does not have the thermoplastic elastomer TPE of colour-change.
Each raw material weight percentage ratio proportioning among table 1: the embodiment 1 ~ 3
Embodiment 1,2 and 3 resulting thermoplastic elastomer TPE are carried out the Mechanics Performance Testing contrast respectively, and mechanical property is tested with ASTM, and the melting index test condition is 190 ℃, 2.16kg; Smell and color are to distinguish that by sense of smell and range estimation test result is as shown in table 2.
The The performance test results of table 2: embodiment 1 ~ 3 gained TPE
By above-mentioned test result as can be known, thermoplastic elastomer TPE provided by the invention, by adding a certain proportion of POE elastomerics or lime carbonate or talcum powder weighting agent, and the odorlessness maleic anhydride inoculated polypropylene of trace, it is good to obtain machining property, ageing-resistant, and do not have colour-change, scentless thermoplastic elastomer TPE.And, adopt talcum powder or lime carbonate to replace the POE elastomerics, better effects if, and handling ease, cost is low.
Although content of the present invention has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple modification of the present invention with to substitute all will be conspicuous.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a high-performance odorlessness does not have colour-change thermoplastic elastomer TPE, it is characterized in that, this thermoplastic elastomer TPE comprises following raw materials by weight percent:
Polypropylene 1-30%,
Styrenic rubber 10-20%,
RUBBER PROCESS OIL 20-50%,
The rare multipolymer 0-40% of ethene-Xin,
Inorganic filler 0-40%,
Oxidation inhibitor 0.3-1%,
Lubricant 0.5-5%,
Compatilizer 0-10%;
Wherein, described polypropylene is selected Co-polypropylene or homo-polypropylene.
2. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, described styrenic rubber is the poly-and thing SEBS of line style block styrene-divinyl, wherein, comprises weight percentage and be 33% vinylbenzene.
3. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, described RUBBER PROCESS OIL is a naphthenic oil.
4. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, the rare multipolymer of described ethene-Xin is the POE elastomerics.
5. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, described inorganic filler comprises lime carbonate or talcum powder.
6. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, described oxidation inhibitor is that Hinered phenols antioxidant and phosphite ester kind antioxidant are composite.
7. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, described oxidation inhibitor selection oxidation inhibitor 168 and antioxidant 1010 are composite.
8. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, described lubricant is the internal lubricant Zinic stearas.
9. high-performance odorlessness as claimed in claim 1 does not have colour-change thermoplastic elastomer TPE, it is characterized in that, described compatilizer is the odorlessness maleic anhydride inoculated polypropylene.
10. high-performance odorlessness according to claim 1 does not have the preparation method of colour-change thermoplastic elastomer TPE, comprises following concrete steps:
Step 1 takes by weighing raw material by weight percentage: polypropylene 1-30%, styrenic rubber SEBS 10-20%, the rare multipolymer 0-40% of RUBBER PROCESS OIL 20-50%, ethene-Xin, inorganic filler 0-40%, oxidation inhibitor 0.3-1%, lubricant 0.5-5%, compatilizer 0-10%;
Step 2 is put into all raw materials high-speed mixer and mixing 2-5 minute discharging;
Step 3 is put into screw rod machine extruding pelletization with raw materials mixed, and the rotating speed of screw rod machine is 200-400 rev/min, and temperature is 170-200 ℃.
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| CN102604311A (en) * | 2011-12-22 | 2012-07-25 | 宁波敏禾机械有限公司 | Electroconductive thermoplastic elastomer composition as well as preparation method and applications thereof |
| CN103087408A (en) * | 2011-11-08 | 2013-05-08 | 四川科伦药物研究有限公司 | Infusion bag capable of providing self-contraction function and special material for infusion bag |
| CN103131116A (en) * | 2011-11-25 | 2013-06-05 | 上海日之升新技术发展有限公司 | Degradable environment-friendly thermoplastic elastic material and preparation method thereof |
| CN103627127A (en) * | 2013-12-17 | 2014-03-12 | 南通普力马弹性体技术有限公司 | High polymer elastomer material for balloon catheter type medical apparatuses and instruments and preparation method thereof |
| CN103724781A (en) * | 2013-12-09 | 2014-04-16 | 安徽万朗磁塑集团有限公司 | TPE door seal granular material for refrigerator door |
| CN103865179A (en) * | 2014-03-31 | 2014-06-18 | 上海山容塑料科技有限公司 | Impact-resistant low temperature-resistant protection box material and preparation method thereof |
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| CN104448667A (en) * | 2013-09-12 | 2015-03-25 | 上海康德莱企业发展集团股份有限公司 | TPE material for titrimeter of infusion device and preparation method thereof |
| CN104530628A (en) * | 2015-01-30 | 2015-04-22 | 山东道恩高分子材料股份有限公司 | TPE (thermoplastic elastomer) material applicable to automobile interior decorations and preparation method thereof |
| CN104592622A (en) * | 2015-02-05 | 2015-05-06 | 上海日之升新技术发展有限公司 | Polypropylene composite material capable of improving mechanical properties of weld lines and preparation method thereof |
| CN104987646A (en) * | 2015-07-21 | 2015-10-21 | 南通普力马弹性体技术有限公司 | Thermoplastic styrenic elastomer composition with high elongation and low stretching permanent deformation |
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| CN106398081A (en) * | 2016-08-31 | 2017-02-15 | 南京京锦元科技实业有限公司 | Thermoplastic elastic material suitable for automotive interior |
| CN106883619A (en) * | 2017-02-23 | 2017-06-23 | 盛嘉伦橡塑(深圳）股份有限公司 | Thermoplastic elastic material and preparation method thereof |
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| CN107501838A (en) * | 2017-10-10 | 2017-12-22 | 东莞市炬烨塑胶科技有限公司 | A kind of corrosion-and high-temp-resistant TPE complex silicon carbide heat sink materials and its preparation method and application |
| CN107880471A (en) * | 2017-11-30 | 2018-04-06 | 武汉理工大学 | A kind of high tensile property SEBS is material modified and preparation method thereof |
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Application publication date: 20110525 |