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1.发明授权Polyamide with improved gas barrier properties from cyclo-alkylidene bisphenoxy diacetic acid 失效具有改善的环亚烷基双苯氧基二乙酸的气体阻隔性能的聚酰胺
公开(公告)号：US4959446A
公开(公告)日：1990-09-25
申请号：US357459
申请日：1989-05-26
CPC分类号： C08G69/265 , C08G69/40
摘要： Polyamide resins useful for forming containers having improved resistance to gas permeability comprising the reaction product of(A) a dicarboxylic acid corresponding to the structure ##STR1## wherein X is hydrogen or unsubstituted alkyl containing 1-5 carbons and n is an integer in the range of 4 to 10, and(B) a diamine containing 5 to 16 carbon atoms.
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2.发明授权
公开(公告)号：US4971860A
公开(公告)日：1990-11-20
申请号：US315646
申请日：1989-02-27
IPC分类号： C08J5/00 , C08G63/18 , C08G63/181 , C08G63/199 , C08G63/78 , C08J5/18
CPC分类号： C08J5/18 , C08G63/18 , C08J2367/02 , Y10T428/26 , Y10T428/31786
摘要： Unoriented polyester sheet materials and molded articles having a thickness of at least 10 mil and having excellent clarity and heat stability. The polyester used in the manufacture of the sheet materials and molded articles are derived from terephthalic acid and 1,4-butanediol and certain modifying monomers. Methods for manufacturing the aforesaid sheet materials and molded articles.
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3.发明授权Polyester with improved gas barrier properties from cycloalkylidene bis (p-phenyleneoxy) diacetic acid 失效具有改善的环烷基双（对亚苯基氧基）二乙酸的阻气性的聚酯
公开(公告)号：US4963641A
公开(公告)日：1990-10-16
申请号：US359181
申请日：1989-05-30
IPC分类号： C08G63/185 , C08G63/672
CPC分类号： C08G63/672 , C08G63/185
摘要： Polyester resins usefurl for forming containers having improved resistance to gas permeability comprising the reaction product of(A) a dicarboxylic acid corresponding to the structure ##STR1## wherein X is hydrogen or unstubstituted alkyl containing 1-5 carbons and n is an integer in the range of 4 to 10, and(B) a diol selected from the group consisting of ethylene glycol, 1,4-butanediol and 1,4-cyclohexanedimethanol.
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公开(公告)号：US4939009A
公开(公告)日：1990-07-03
申请号：US317884
申请日：1989-02-27
申请人： Randy S. Beavers , Bradley L. Willingham , Richard V. Brooks , Michael C. Carmody , Burns Davis, deceased
发明人： Randy S. Beavers , Bradley L. Willingham , Richard V. Brooks , Michael C. Carmody , Burns Davis, deceased
CPC分类号： B32B27/08 , Y10T428/1334 , Y10T428/31797 , Y10T428/31913 , Y10T428/31928
摘要： Disclosed are multilayered sheets or films which have excellent adhesion. The sheets or film comprise a layer of copolyesterether or copolyester bonded to a layer of polyolefin by means of a tie layer of a copolymer of ethylene and at least one other unsaturated monomer.
摘要翻译： 公开了具有优异粘附性的多层片材或膜。 片材或薄膜包括通过乙烯和至少一种其它不饱和单体的共聚物的粘合层与聚烯烃层结合的共聚酯或共聚酯层。
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