公开(公告)号：US20070145625A1

公开(公告)日：2007-06-28

申请号：US10583227

申请日：2004-12-24

Applicant: Paul Caronia ,  Bharat Chaudhary ,  Jeffrey Cogen ,  Peter Dreux ,  Luke Du ,  Neil Dunchus ,  Mohamed Esseghir ,  Robert Gowell ,  Laurence Gross ,  Suzanne Guerra ,  Suh Han ,  Jinder Jow ,  John Klie ,  Kawai Pang ,  Timothy Person ,  Miguel Prieto Goubert

Inventor： Paul Caronia ,  Bharat Chaudhary ,  Jeffrey Cogen ,  Peter Dreux ,  Luke Du ,  Neil Dunchus ,  Mohamed Esseghir ,  Robert Gowell ,  Laurence Gross ,  Suzanne Guerra ,  Suh Han ,  Jinder Jow ,  John Klie ,  Kawai Pang ,  Timothy Person ,  Miguel Prieto Goubert

IPC: C08F136/00

CPC classification number: C08K5/3435 ,  C08J3/247 ,  C08J2323/02 ,  C08K5/0025 ,  C08K5/14 ,  C08L23/02 ,  C08L2666/02

Abstract: The present invention is an improved free-radical crosslinking process and free-radical crosslinking polymer compositions. The improved process delivers hotter processing conditions, faster crosslinking, or increased crosslinked densities. The crosslinkable polymeric composition comprises (1) a free-radical crosslinkable polymer, (2) a free-radical inducing species, and (3) a crosslinking-temperature-profile modifier.

Abstract translation: 本发明是改进的自由基交联方法和自由基交联聚合物组合物。 改进的方法提供更高的加工条件，更快的交联或增加的交联密度。 可交联聚合物组合物包含（1）自由基可交联聚合物，（2）自由基诱导物质，和（3）交联温度 - 曲线调节剂。

公开(公告)号：US20050148715A1

公开(公告)日：2005-07-07

申请号：US10964325

申请日：2004-10-13

Applicant: Paul Caronia ,  Kawai Pang ,  Michael Keogh

Inventor： Paul Caronia ,  Kawai Pang ,  Michael Keogh

IPC: C08K5/13 ,  C08K5/375 ,  H01B3/44

CPC classification number: H01B3/441 ,  C08K5/375 ,  C08L23/04

Abstract: A process for preparing a composition comprising the step of selecting a composition for preparing a moldable, test plaque having (1) a MDR ts1 at 150 degrees Celsius of at least about 20, (2) a MDR ts1 at 140 degrees Celsius of at least about 50, (3) a retention of tensile strength of at least about 75% after two weeks of aging at 150 degrees Celsius, (4) a retention of elongation of at least about 75% after two weeks of aging at 150 degrees Celsius, (5) water tree resistance less than about 45%, and (6) sweatout of less than about 100 ppm of the thiobis phenolic antioxidant and (b) imparting water tree resistance to the insulation of cables, the composition comprising (i) polyethylene, and based on 100 parts by weight of component (i), (ii) about 0.3 to about 0.6 part by weight of a thiobis phenolic antioxidant selected from the group consisting of 4,4′-thiobis(2-methyl-6-t-butylphenol); 4,4′-thiobis(2-t-butyl-5-methylphenol); 2,2′-thiobis(6-t-butyl-4-methylphenol); or a mixture of said compounds; and (iv) about 0.4 to about 1 part by weight of a polyethylene glycol having a molecular weight in the range of about 1000 to about 100,000.

Abstract translation: 一种制备组合物的方法，包括以下步骤：选择用于制备可成型的测试斑块的组合物，其具有（1）在150摄氏度下至少约20的MDR ts1，（2）至少140℃的MDR ts1至少 约50，（3）在150摄氏度老化两周后保持拉伸强度至少约75％，（4）在150摄氏度老化两周后保持至少约75％的伸长率， （5）水树阻力小于约45％，和（6）少于约100ppm的硫代双酚抗氧化剂的出汗和（b）赋予电缆绝缘水树抗性，该组合物包含（i）聚乙烯， 并且基于100重量份的组分（i），（ii）约0.3至约0.6重量份的选自以下的硫代双酚抗氧化剂：4,4'-硫代双（2-甲基-6-叔 - 丁基苯酚）; 4,4'-硫代双（2-叔丁基-5-甲基苯酚）; 2,2'-硫代双（6-叔丁基-4-甲基苯酚）; 或所述化合物的混合物; 和（iv）约0.4至约1重量份的分子量在约1000至约100,000范围内的聚乙二醇。