Title:
【発明の名称】櫛状にカルボキシル官能化されたポリシロキサンを用いた皮革及び毛皮の疎水化法
Document Type and Number:
Japanese Patent JPH09508938
Kind Code:
A
Abstract:
PCT No. PCT/EP95/00418 Sec. 371 Date Aug. 15, 1996 Sec. 102(e) Date Aug. 15, 1996 PCT Filed Feb. 6, 1995 PCT Pub. No. WO95/22627 PCT Pub. Date Aug. 24, 1995Leather and skins are water repellent in aqueous emulsion in the presence of emulsifiers with polysiloxanes which are functionalized with carboxyl groups in a comb-like manner and in which the carboxyl groups are bonded to the polymer main chain via spacer groups in the form of linear or branched C2-C40-alkylene groups which may be interrupted by up to 8 non-neighboring oxygen atoms or groups of the formula -NR1-, CO- [sic] or -CO-NR1- and in addition may carry up to 5 carboxyl groups or carboxamido groups of the formula -CO-NR1R2-, where R1 and R2 are each hydrogen or C1-C4-alkyl, the spacer groups being bonded to the polymer main chain via a direct bond or via an oxygen atom or a group of the formula -NR1-, -CO-, -CO-NR1- or -CO-O-.
Inventors:
Michael Kneipp
Peter Danish
Peter Danish
Application Number:
JP52154695A
Publication Date:
September 09, 1997
Filing Date:
February 06, 1995
Export Citation:
Assignee:
BASF Akchen Gezel Shaft
International Classes:
C08L83/06; C08L83/08; C14C9/00; (IPC1-7): C14C9/00; C08L83/06
Attorney, Agent or Firm:
Toshio Yano