专利名称：Thermoplastic elastomers having improved
processing and physical property balance
发明人：Maria D. Ellul,Paul E. McDaniel,Thomas L.
Peltier,Jianya Cheng,Patrick Brant,ArmenagH. Dekmezian
申请号：US09752080申请日：20001229公开号：US06451915B1公开日：20020917
摘要：A thermoplastic elastomer formed by a process comprising the steps ofdynamically vulcanizing a rubber within a mixture that includes the rubber, from about 10to about 80 percent by weight of a thermoplastic resin based upon the total weight ofthe rubber and the thermoplastic combined, and from about 1 to about 25 percent byweight of a polymeric processing additive based upon the total weight of the rubber andthe thermoplastic combined, where the polymeric processing additive is a linearpolyolefin resin that has an melt flow rate that is greater than about 1,000 dg/min, adiene-modified polyolefin polymer that has an melt flow rate that is greater than about1,000 dg/min, from about 0.005 to about 2.00 mole percent polymeric units deriving fromdienes, and a viscosity average branching index that is from about 0.4 to about 0.95, or amixture of the linear polyolefin resin and the diene-modified polyolefin polymer, wherethe step of dynamically vulcanizing the rubber results in vulcanized rubber having acrosslink density of about 40 to about 180 mole per milliliter of rubber.
申请人：ADVANCED ELASTOMER SYSTEMS, L.P.,EXXONMOBIL CHEMICAL PATENTS,
INC.
代理人：Arthur M. Reginelli,William A. Skinner
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