Title:
POLYURETHANES WITH REDUCED COBALT EXTRACTABLES
Document Type and Number:
WIPO Patent Application WO/2022/015638
Kind Code:
A9
Abstract:
Polyurethanes are made by curing a reaction mixture containing a polyether polyol that contains residues of a zinc hexacyanocobaltate catalyst complex. The reaction mixture contains certain chelating agents in small quantities. The amount of cobalt that is extractable from the polyurethane is reduced.
Inventors:
GRZESIAK ADAM (US)
STROTHER JACOB (US)
MCDOUGAL NOLAN (US)
KEATON RICHARD (US)
LAITAR DAVID (US)
ROSEN MARI (US)
AOU KAORU (US)
WILLUMSTAD THOMAS (US)
STROTHER JACOB (US)
MCDOUGAL NOLAN (US)
KEATON RICHARD (US)
LAITAR DAVID (US)
ROSEN MARI (US)
AOU KAORU (US)
WILLUMSTAD THOMAS (US)
Application Number:
PCT/US2021/041254
Publication Date:
March 10, 2022
Filing Date:
July 12, 2021
Export Citation:
Assignee:
DOW GLOBAL TECHNOLOGIES LLC (US)
International Classes:
C08G18/16; B01J27/26; B01J31/06; C08G18/18; C08G18/24; C08G18/30; C08G18/48; C08G18/76; C08G65/26; C08K5/098; C08K5/17; C08K5/54; C08L75/08
Attorney, Agent or Firm:
COHN, Gary, C (US)
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