ORGANOPOLYSILICONE POLYETHER DRAINAGE AID

申请公布号：

WO2012149019(A1)

申请号：

WO2012US34997

申请日期：

2012.04.25

申请公布日期：

2012.11.01

申请人：

HERCULES INCORPORATED;AL-BADRI, ZOHA;BOLTON, TODD, S.

发明人：

AL-BADRI, ZOHA;BOLTON, TODD, S.

分类号：

C08G77/18;C08G77/46;C08L83/12;D21H17/53

主分类号：

C08G77/18

摘要：

The present invention relates to a drainage aid composition and its use in pulp washing process. More particulary, this invention relates to drainage aid composition of silicone polyethers prepared via zinc cataiized dehydrogenative coupling of alcohol terminated polyethers with silicone oligomers and polymers comprising of at least one silicon bonded hydrogen. The compostion of this invention exhibit excellent drainage properties.