C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/69, 400/7415
C08G 18/10 (2006.01) B65D 23/08 (2006.01) C03C 17/32 (2006.01) C08G 18/08 (2006.01)
Patent
CA 1096079
Abstract of the Disclosure An aqueous dispersed urethane composition which is excellent in film-forming property and useful in protecting glass bottles when forward into a film can be obtained by producing a urethane oligomer by interacting a polyoxyalkylene glycol having a molecular weight above 1200, a low molecular weight chain-elongating agent selected from a glycol, an aminoalcohol and a diamine each having a molecular weight below 500, an isocyanate-blocking agent selected from an oxime, a lactam and an alcohol, and a diisocyanate, and dispersing the urethane oligomer and a hardener in water by the use of a sur- face active agent such that the sum by weight of the surface active agent contained in the aqueous dispersed urethane composition and the polyoxyalkylene glycol to be one of the starting materials for the production of the urethane oligomer is in the range of 15 to 35% of the sum by weight of the surface active agent, the urethane oligomer and the hardener.
265307
Asai Kiyotsugu
Ichikawa Toshiyuki
Kawabata Toshihiko
Takaguchi Kazunori
Yatsugi Shigeru
Fetherstonhaugh & Co.
Mitsui-Nisso Corporation
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