Oxygen scavenging high barrier polyamide compositions for packaging applications
    41.
    发明授权
    Oxygen scavenging high barrier polyamide compositions for packaging applications 有权
    氧气清除高阻隔聚酰胺组合物用于包装应用

    公开(公告)号:US06685861B2

    公开(公告)日:2004-02-03

    申请号:US09971272

    申请日:2002-01-04

    IPC分类号: B29D2200

    摘要: Oxygen barrier polyamide compositions exhibiting high oxygen scavenging capability suitable for extended shelf-life, packaging applications. Thus a polyamide composition comprises a polyamide homopolymer, copolymer, or blends thereof, and at least one polyamide reactive, oxidizable polydiene or oxidizable polyether. The polyamide products are particularly suited to making barrier packaging articles such as monolayer or multi-layer films, sheets, thermoformed containers and coinjection/coextrusion blow molded bottles comprising PET, polyolefin or polycarbonate as structural layers. Such articles are useful in a variety of oxygen-sensitive food, beverage, pharmaceutical and health care product packaging applications.

    摘要翻译: 显示高氧清除能力的氧阻隔聚酰胺组合物适用于延长的保存期限,包装应用。 因此,聚酰胺组合物包含聚酰胺均聚物,共聚物或其共混物,以及至少一种聚酰胺反应性可氧化聚二烯或可氧化聚醚。 聚酰胺产品特别适用于制造包括PET,聚烯烃或聚碳酸酯作为结构层的单层或多层薄膜,片材,热成型容器和共注射/共挤出吹塑成型瓶的阻隔包装制品。 这些制品可用于各种氧敏感食品,饮料,医药和保健产品的包装应用。

    Semicrystalline blends of polyalkylene terephthalates and polyarylates
    43.
    发明授权
    Semicrystalline blends of polyalkylene terephthalates and polyarylates 失效
    聚对苯二甲酸亚烷基酯和聚芳酯的半结晶共混物

    公开(公告)号:US5552463A

    公开(公告)日:1996-09-03

    申请号:US451344

    申请日:1995-05-26

    IPC分类号: C08L67/02 C08L67/03

    CPC分类号: C08L67/02 C08L67/03

    摘要: A miscible blend composition having high T.sub.g and good chemical resistance comprising, based on the total weight of the composition, from about 30 to about 90 weight % of a polyalkylene terephthalate, from about 70 to about 10 weight % of a polyarylate polymer, and an effective amount of an ester-interchange inhibitor.

    摘要翻译: 一种具有高Tg和良好耐化学性的可混合共混组合物,其包含基于组合物总重量的约30至约90重量%的聚对苯二甲酸亚烷基酯,约70至约10重量%的聚芳酯聚合物,以及 有效量的酯交换抑制剂。

    High impact, styrenic polymer/thermoplastic polymer grafted blends
    44.
    发明授权
    High impact, styrenic polymer/thermoplastic polymer grafted blends 失效
    高冲击性,苯乙烯类聚合物/热塑性聚合物接枝共混物

    公开(公告)号:US5210134A

    公开(公告)日:1993-05-11

    申请号:US834441

    申请日:1992-02-12

    摘要: A modified styrenic polymer is described, which comprises the reaction product of said polymer with an ethylenically unsaturated grafting agent having the formula: ##STR1## wherein one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are moieties containing reactive groups selected from carboxylic acid, acid anhydride, acid amide, imido, carboxylic ester, amino, hydroxyl, epoxy, isocyanate, carbamate, carbamoyl lactam, acyl lactam, pyridyl, 1,3-oxazoline, 1,3 oxazine, oxazolone, oxazinones, and any derivatives, combinations and mixtures thereof; andwherein the remaining one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are H or a hydrocarbon radical of from about 1 to about 20 carbon atoms; said modified styrenic polymer containing said reactive groups as pendant reactive functionalities.The claimed composition comprises:A) maleated ABSB) polyesterC) optionally ethylene copolymer rubber.

    摘要翻译: 描述了改进的苯乙烯聚合物,其包括所述聚合物与具有下式的烯键式不饱和接枝剂的反应产物:其中R1,R2,R3和R4中的一至三个是含有选自羧酸, 酸酐,酰胺,亚氨基,羧酸酯,氨基,羟基,环氧基,异氰酸酯,氨基甲酸酯,氨基甲酰基内酰胺,酰基内酰胺,吡啶基,1,3-恶唑啉,1,3恶嗪,恶唑酮,恶嗪酮,以及任何衍生物, 其混合物; 并且其中R 1,R 2,R 3和R 4中的其余一至三个为H或约1至约20个碳原子的烃基; 所述修饰的苯乙烯聚合物含有所述反应性基团作为侧链反应性官能团。 所要求保护的组合物包含:A)马来酸化ABS B)聚酯C)任选的乙烯共聚物橡胶。

    High impact, styrenic polymer/thermoplastic polymer grafted blends
    45.
    发明授权
    High impact, styrenic polymer/thermoplastic polymer grafted blends 失效
    高冲击性,苯乙烯类聚合物/热塑性聚合物接枝共混物

    公开(公告)号:US4902749A

    公开(公告)日:1990-02-20

    申请号:US262196

    申请日:1988-10-19

    摘要: A modified styrenic polymer is described, which comprises the reaction product of said polymer with an ethylenically unsaturated grafting agent having the formula: ##STR1## wherein one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are moieties containing reactive groups selected from carboxylic acid, acid anhydride, acid amide, imido, carboxylic ester, amino, hydroxy, epoxy, isocyanate, carbamate, carbamoyl lactam, acyl lactam, pyridyl, 1,3-oxazoline, 1,3 oxazine, oxazolone, oxazinones, and any derivatives, combinations and mixtures thereof;and wherein the remaining one to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are H or a hydrocarbon radical of from about 1 to about 20 carbon atoms; said modified styrenic polymer containing said reactive groups as pendant reactive functionalities.The claimed composition comprises:(A) A preblend of maleated ABS and a functionalized EP rubber and(B) a polyamide with reactive end groups.

    摘要翻译: 描述了改进的苯乙烯聚合物,其包括所述聚合物与具有下式的烯键式不饱和接枝剂的反应产物:其中R1,R2,R3和R4中的一至三个是含有选自羧酸, 酰胺,酰基内酰胺,吡啶基,1,3-恶唑啉,1,3恶嗪,恶唑酮,恶嗪酮,以及任何衍生物,组合和 其混合物; 并且其中R 1,R 2,R 3和R 4中的其余一至三个为H或约1至约20个碳原子的烃基; 所述修饰的苯乙烯聚合物含有所述反应性基团作为侧链反应性官能团。 所要求保护的组合物包括:(A)马来化ABS和官能化EP橡胶的预混物和(B)具有反应性端基的聚酰胺。

    Chain extension of polyethylene terephthalate with polyacyllactams
    46.
    发明授权
    Chain extension of polyethylene terephthalate with polyacyllactams 失效
    聚对苯二甲酸乙二醇酯与聚酰基内酰胺的延伸

    公开(公告)号:US4857603A

    公开(公告)日:1989-08-15

    申请号:US161927

    申请日:1988-02-29

    CPC分类号: C08G63/6854 C08G69/44

    摘要: High molecular weight polyethylene terephthalate resins in which there is used a chain extending agent having the formula: ##STR1## wherein A is any hydrocarbon group having the necessary number of available valences to bound itself to all of the acyl groups of the compound, Y is at least 1 and x is an integer of from 6 to 12.Preferably, the chain extending agent is a bisacyllactam, such as terephthaloyl bislaurolactam.The chain extending agent can be used in combination with a carboxyl reactive compound.

    摘要翻译: 高分子量聚对苯二甲酸乙二醇酯树脂,其中使用具有下式的扩链剂:其中A是具有必要数量的可用价数的任何烃基,以将其本身与化合物的所有酰基结合,Y是 至少1和x是6至12的整数。优选地,扩链剂是双链酰基内酰胺,例如对苯二甲酰双十二内酰胺。 链增长剂可以与羧基反应性化合物组合使用。

    Temperature stable thermotropic poly(ester carbonate) derived from
t-butylhydroquinone
    47.
    发明授权
    Temperature stable thermotropic poly(ester carbonate) derived from t-butylhydroquinone 失效
    衍生自叔丁基氢醌的温度稳定的热致聚(碳酸酯)

    公开(公告)号:US4398018A

    公开(公告)日:1983-08-09

    申请号:US333228

    申请日:1981-12-21

    IPC分类号: C08G63/64

    CPC分类号: C08G63/64

    摘要: A thermotropic poly(ester carbonate) containing diacyl moieties such as terephthalate and carbonate moieties as well as dihydroxy-derived moieties is useful for forming fibers or films. The dihydroxy-derived moieties are at least 40% derived from t-butylhydroquinone, with hydroquinone and methylhydroquinone being exemplary second components. The polymers can be prepared by melt, solution or interfacial polymerization, are liquid crystalline in the melt and have glass transition temperatures above 100.degree. C.

    摘要翻译: 含有二酰基部分如对苯二甲酸酯和碳酸酯部分的热致聚(酯碳酸酯)以及二羟基衍生的部分可用于形成纤维或膜。 二羟基衍生的部分至少40%来自叔丁基氢醌,其中氢醌和甲基氢醌是示例性的第二组分。 聚合物可以通过熔融,溶液或界面聚合制备,在熔体中为液晶,玻璃化转变温度高于100℃。