公开(公告)号：US06951898B2

公开(公告)日：2005-10-04

申请号：US10016334

申请日：2001-12-10

申请人： Douglas A. Hammond ,  Dirk Heukelbach

发明人： Douglas A. Hammond ,  Dirk Heukelbach

IPC分类号： G02B1/04 ,  C08K5/103 ,  C08L45/00 ,  G11B7/24 ,  G11B7/253

CPC分类号： C08K5/103 ,  C08L23/20

摘要： A cycloolefin copolymer resin having a Hunter b color value of less than 1.0, which resin comprises: (a) a first cycloolefin copolymer having a glass transition temperature of from about 100° C. to about 220° C. and an intrinsic viscosity of from about 5 to about 1000 ml/g as measured in decalin at 135° C., (b) up to about 10% by weight, based on the total weight of the resin, of a second cycloolefin copolymer, said second copolymer having a glass transition temperature of greater than about 50° C. and an intrinsic viscosity of from about 1 to about 500 ml/g as measured in decalin at 135° C., and (c) from about 0.01% to about 3%, based on the total weight of the resin, of at least one lubricant selected from the group consisting of fatty acid esters of aliphatic polyhydric alcohols, with the proviso that the glass temperature of the second cycloolefin copolymer is at least 25° C. lower than the glass transition temperature of the first cycloolefin copolymer, said resin being suitable for use in precision optical applications.

摘要翻译： 具有Hunter b色值小于1.0的环烯烃共聚物树脂，该树脂包含：（a）第一种环烯烃共聚物，其玻璃化转变温度为约100℃至约220℃，特性粘度为 在135℃下在十氢化萘中测量的约5至约1000ml / g，（b）至多约10重量％，基于树脂的总重量，第二环烯烃共聚物，所述第二共聚物具有玻璃 转化温度大于约50℃，特性粘度为约1至约500ml / g，在135℃下在十氢化萘中测量，和（c）约0.01％至约3％，基于 树脂的总重量，选自脂肪族多元醇的脂肪酸酯的至少一种润滑剂，条件是第二环烯烃共聚物的玻璃温度比玻璃化转变温度低至少25℃ 的第一种环烯烃共聚物，所述树脂是适合的 能够用于精密光学应用。