公开(公告)号：US20140135444A1

公开(公告)日：2014-05-15

申请号：US14160172

申请日：2014-01-21

Applicant: DSM IP ASSETS B.V.

Inventor： Alexander Antonius Maria STROEKS ,  Rudy RULKENS ,  Lee SANGHOON ,  Sidiki Tamim PETER

IPC: C08G69/26 ,  B29C47/00 ,  B29C47/88 ,  C08L77/06

CPC classification number: C08G69/26 ,  B29C47/0021 ,  B29C47/0057 ,  B29C47/8845 ,  B29C47/887 ,  B29C47/8875 ,  B29C47/8895 ,  C08J5/18 ,  C08J2377/00 ,  C08L77/06

Abstract: The invention relates to an optically transparent polymer film or extrudate product made of a polymer composition comprising a semi-crystalline polyamide having a melting temperature of at least 270° C. or a blend of the semi-crystalline polyamide (A) and a second polymer (B), and optionally at least one additive, wherein the semi-crystalline polyamide (A) is present in an amount of more than 50 wt. %, relative to the total weight of the polymer composition, the polymer composition in the optically transparent polymer film or extrudate product has a melting temperature (Tm-C) in the range of 270-340° C., and wherein the film or a part of the extrudate product has a haze of less than 12% and a light transmittance, of at least 88% measured with the method according to ASTM D1003A.

Abstract translation: 本发明涉及由聚合物组合物制成的光学透明聚合物膜或挤出物产品，该聚合物组合物包含熔融温度至少为270℃的半结晶聚酰胺或半结晶聚酰胺（A）和第二聚合物 （B）和任选的至少一种添加剂，其中半结晶聚酰胺（A）的存在量大于50wt。 相对于聚合物组合物的总重量，光学透明聚合物膜或挤出物产品中的聚合物组合物的熔融温度（Tm-C）在270-340℃的范围内，并且其中所述膜或 挤出物产品的一部分具有小于12％的雾度和至少88％的透光率，使用根据ASTM D1003A的方法测量。