Invention Grant
- Patent Title: Aqueous polyurethane fluid dispersion and method for producing the same
- Patent Title (中): 水性聚氨酯流体分散体及其制造方法
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Application No.: US12307324Application Date: 2007-07-06
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Publication No.: US08148462B2Publication Date: 2012-04-03
- Inventor: Takao Kamohara
- Applicant: Takao Kamohara
- Applicant Address: JP Shunan-Shi
- Assignee: Tosoh Corporation
- Current Assignee: Tosoh Corporation
- Current Assignee Address: JP Shunan-Shi
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JPP2006-188686 20060707
- International Application: PCT/JP2007/063555 WO 20070706
- International Announcement: WO2008/004658 WO 20080110
- Main IPC: C08G18/08
- IPC: C08G18/08 ; C08G18/28 ; C08J3/00 ; C08K3/20 ; C08L75/00
Abstract:
Disclosed is an aqueous polyurethane obtained by reacting a sulfonate containing a hydrophilic group represented by the following general formula (1): (in which M represents an alkali metal atom or an ammonium, and p represents an integer of 2 to 20) and an amino group with a polyurethane prepolymer having an isocyanate group at an end thereof, characterized in that the hydrophilic group represented by the general formula (1) bonds with a urea bond moiety of the polyurethane.
Public/Granted literature
- US20090312488A1 AQUEOUS POLYURETHANE FLUID DISPERSION AND METHOD FOR PRODUCING THE SAME Public/Granted day:2009-12-17
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