Title:
【発明の名称】揮発性第3級アミンを含まない、アニオン系ポリウレタンの水性分散系の調製方法
Document Type and Number:
Japanese Patent JP2003511529
Kind Code:
A
Abstract:
The present invention relates to a process for the preparation of an aqueous dispersion of an anionic polyurethane. According to the invention, a tertiary amine functional urethane polymer or oligomer acts as acid neutralizing agent. The process of the invention comprises the steps of: dispersion of an anionic isocyanate functional polyurethane prepolymer in water in the presence of a tertiary amine functional urethane polymer or oligomer and chain extension of the anionic polyurethane prepolymer with a reactive hydrogen functional material during or after the dispersion in water.
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Inventors:
Hesselmanns, Lorentius, Cornelius, Josephus
Oger Cilibella, Jose
Oger Cilibella, Jose
Application Number:
JP2001530395A
Publication Date:
March 25, 2003
Filing Date:
October 16, 2000
Export Citation:
Assignee:
Stahl International Buffet
International Classes:
C08G18/08; C08G18/65; C09D5/00; C09D175/04; C08G18/10; (IPC1-7): C08G18/10; C08G18/65; C09D5/00; C09D175/04
Attorney, Agent or Firm:
Yoshihiro Morimoto