Heat-sensitive or pressure-sensitive recording material
申请人:The Wiggins Teape Group Limited
公开号:EP0561562B1
公开(公告)日:1998-05-06
US5364830A
申请人:——
公开号:US5364830A
公开(公告)日:1994-11-15
Record material using vinyl carbinol color formers
申请人:The Wiggins Teape Group Limited
公开号:US05364830A1
公开(公告)日:1994-11-15
Pressure or heat sensitive record materials with color-former sublimation problems reduced or eliminated whilst not reducing the color forming capability per unit weight of color former by providing what are in effect dimers of vinyl carbinols, with the vinyl carbinol residues, linked through the aryl groups of a diaryl amine.