引用本文:
Qing Ye ZHOU, Mou Dao SONG, Bang Hua ZHANG, Bing Lin HE. PREPARATION OF POLYURETHANE EMULSION[J]. Chinese Chemical Letters,
1995, 6(7): 625-626.
Citation: Qing Ye ZHOU, Mou Dao SONG, Bang Hua ZHANG, Bing Lin HE. PREPARATION OF POLYURETHANE EMULSION[J]. Chinese Chemical Letters, 1995, 6(7): 625-626.
Citation: Qing Ye ZHOU, Mou Dao SONG, Bang Hua ZHANG, Bing Lin HE. PREPARATION OF POLYURETHANE EMULSION[J]. Chinese Chemical Letters, 1995, 6(7): 625-626.
PREPARATION OF POLYURETHANE EMULSION
摘要:
A technique has been developed for preparing stable polyurethane emulsion which provides thermosetting film without the use of emulsifying agents.The reaction of an isocyanate terminated prepolymer with a stoichiometric excess of diethylenetriamine in the presence of ketones yields the poly(urethane-amine).Then the free amino group is generated when the polymer is treated with epichlorohydrin and the reaction occurs between them, and a stable self-emulsifiable thermosetting urethane emulsion can be obtained.This paper also presents the effect of the curing temperature and time on the typical mechanical properties of the films from this urethane emulsion.
English
PREPARATION OF POLYURETHANE EMULSION
Abstract:
A technique has been developed for preparing stable polyurethane emulsion which provides thermosetting film without the use of emulsifying agents.The reaction of an isocyanate terminated prepolymer with a stoichiometric excess of diethylenetriamine in the presence of ketones yields the poly(urethane-amine).Then the free amino group is generated when the polymer is treated with epichlorohydrin and the reaction occurs between them, and a stable self-emulsifiable thermosetting urethane emulsion can be obtained.This paper also presents the effect of the curing temperature and time on the typical mechanical properties of the films from this urethane emulsion.
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