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1.发明授权Copolymers having amide units and ether units with improved optical properties 有权具有酰胺单元和醚单元的共聚物具有改进的光学性能公开(公告)号：US08952103B2
公开(公告)日：2015-02-10
申请号：US12302668
申请日：2007-06-08
CPC分类号： C08G69/40
摘要： The present invention is a copolymer based on amide units and ether units, wherein the amide units being comprise a major portion of an equimolar combination of at least one diamine and at least one dicarboxylic acid, the diamine(s) is/are mainly cycloaliphatic and the dicarboxylic acid(s) is/are mainly linear and aliphatic, the amide units optionally comprise, but in a minor proportion, at least one other polyamide comonomer, the respective proportions of ether and amide unit monomers are selected in such a way that said copolymer is highly transparent to such an extent that the transmittance at 560 nm on a plate 2 mm thick is greater than 75%; the crystallinity of said copolymer is such that the enthalpy of fusion during the first heating of a ISO DSC (delta Hm(2)) is at least 30 J/g, where the mass is related to the number of amide units contained or of polyamide contained, which fusion corresponds to that of the amide units; and said copolymer has a glass transition temperature of at least 75° C.
摘要翻译： 本发明是基于酰胺单元和醚单元的共聚物，其中酰胺单元包含至少一种二胺和至少一种二羧酸的等摩尔组合的主要部分，二胺主要是脂环族和 二羧酸主要是直链和脂族的，酰胺单元任选地包含但少量的至少一种其它聚酰胺共聚单体，醚和酰胺单元单体的各自比例选择为使得所述 共聚物高度透明，使得2mm厚的560nm处的透射率大于75％; 所述共聚物的结晶度使得在ISO DSC（ΔHm（2））的第一次加热期间的熔融焓为至少30J / g，其中质量与所含酰胺单元或聚酰胺的数量有关 包含，该融合对应于酰胺单元的融合; 并且所述共聚物的玻璃化转变温度至少为75℃
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2.发明申请COPOLYMERS HAVING AMIDE UNITS AND ETHER UNITS WITH IMPROVED OPTICAL PROPERTIES 有权具有改进光学特性的单元和单元的共聚物公开(公告)号：US20090264601A1
公开(公告)日：2009-10-22
申请号：US12302668
申请日：2007-06-08
CPC分类号： C08G69/40
摘要： A subject-matter of the present invention is a copolymer based on amide units and based on ether units, the amide units being composed predominantly of an equimolar combination of at least one diamine and of at least one dicarboxylic acid, the diamine or diamines being predominantly cycloaliphatic and the dicarboxylic acid or acids being predominantly linear aliphatic, it being possible for the amide units optionally to comprise, but to a minor extent, at least one other polyamide comonomer, the respective proportions of monomers of the ether and amide units being chosen so that: the said copolymer exhibits a high transparency which is such that the transmission at 560 nm through a sheet with a thickness of 2 mm is greater than 75%; the said copolymer exhibits a crystallinity such that the enthalpy of fusion during the second heating of an ISO DSC (delta Hm(2)) is at most equal to 30 J/g, the weight being with respect to the amount of amide units present or of polyamide present, this melting corresponding to that of the amide units; the said copolymer has a glass transition temperature at least equal to 75° C.
摘要翻译： 本发明的主题是基于酰胺单元并基于醚单元的共聚物，酰胺单元主要由至少一种二胺和至少一种二羧酸的等摩尔组合组成，二胺或二胺主要是 脂环族和二羧酸或酸主要是直链脂肪族，酰胺单元可能任选地包含至少一种其它聚酰胺共聚单体，所以单独的醚和酰胺单元的相应比例被选择为 所述共聚物表现出高透明度，使得通过厚度为2mm的片材在560nm的透射率大于75％; 所述共聚物显示出结晶度，使得在ISO DSC（ΔHm（2））的第二次加热期间的熔化焓最多等于30J / g，其重量相对于存在的酰胺单元的量或 的聚酰胺存在，这种熔融对应于酰胺单元的熔融; 所述共聚物的玻璃化转变温度至少等于75℃
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