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1. (WO2014210103) CURATIVE AGENT FOR COATINGS ON INDUSTRIAL ROLLERS

Pub. No.:    WO/2014/210103    International Application No.:    PCT/US2014/044010
Publication Date: Thu Jan 01 00:59:59 CET 2015 International Filing Date: Thu Jun 26 01:59:59 CEST 2014
IPC: C08G 18/10
C08G 18/38
C08G 18/44
Applicants: DOW GLOBAL TECHNOLOGIES LLC
Inventors: JAGTAP, Subodh P.
GRIGORIEW, Marcin
SINGH, Harpreet
HEATH, William H.
SINGH, Amarnath
Title: CURATIVE AGENT FOR COATINGS ON INDUSTRIAL ROLLERS
Abstract:
A method for forming a polyurethane coating on an industrial roller includes applying a coating that is a product of a coating forming reaction mixture, which includes a prepolymer component and a curative component, to an industrial roller. The prepolymer component includes a polycarbonate prepolymer, which is a product of a prepolymer forming reaction mixture that includes an isocyanate component and a polycarbonate polyol, and the prepolymer component is present in the coating forming reaction mixture in an amount from 30 wt% to 80 wt%, based on a total weight of the coating forming reaction mixture. The curative component includes a chlorinated aromatic diamine curative agent, and the curative component is present in the coating forming reaction mixture in an amount from 5 wt% to 20 wt%, based on the total weight of the coating forming reaction mixture. Further, the coating is cured to form a polyurethane coating layer on the industrial roller.