专利检索 ap:("Stowe Woodward Licensco, LLC") AND inv:"TYSON, Christopher" 第 1 页

1.

发明公开
POLYURETHANE ROLL COVER FOR CALENDER ROLL FOR PAPERMAKING MACHINE 审中-公开

公开(公告)号：EP3377697A1

公开(公告)日：2018-09-26

申请号：EP16866842.4

申请日：2016-11-01

申请人： Stowe Woodward Licensco, LLC

发明人： XU, Jun , HILL, Christopher , TYSON, Christopher , HUNTER, Charles

IPC分类号： D21G1/02 , C08J5/04 , C08L75/04

CPC分类号： B32B27/40 , B32B5/02 , D21G1/0233

摘要： A calender roll for a papermaking machine includes: a substantially cylindrical core; and a cover circumferentially surrounding the core. The cover comprises: a base layer circumferentially overlying the core; and a topstock layer comprising polyurethane circumferentially overlying the base layer, the topstock layer being fiber-reinforced, the polyurethane having a glass transition temperature of between about 120 and 150° C., the topstock layer having a hardness of 70 to 90 ShD.