专利名称:Polyester blends, methods of making, and
articles formed therefrom
发明人:Peter H. Vollenberg申请号:US11563369申请日:20061127公开号:US08158710B2公开日:20120417
摘要:A composition, comprising a blend of 10 to 45 weight percent of a polyesterselected from the group consisting of poly(ethylene terephthalate), poly(butyleneterephthalate), poly(1,4-cyclohexyldimethylene cyclohexyl dicarboxylate), or a
combination comprising at least one of the foregoing; and 55 to 90 weight percent of apoly(ester-ether)copolymer, each based on the total weight of the polyester and thepoly(ester-ether)copolymer; wherein the poly(ester-ether)copolymer comprises unitsderived from terephthalic or a chemical equivalent thereof, units derived from butanediol or a chemical equivalent thereof, and 25 to 65 weight percent of units derived frompoly(oxytetramethylene)glycol or a chemical equivalent thereof, based on the weight ofthe copolymer; wherein the composition retains at least 50% of at least one of tensilestrength, modulus, stress at maximum strain, or the elongation at break is larger than150% after being exposed to a temperature of 140° C. for 70 hours, as measured byASTM D-638.
申请人:Peter H. Vollenberg
地址:Evansville IN US
国籍:US
代理机构:Cantor Colburn LLP
代理人:Diderico van Eyl
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