Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1990-03-28
1993-02-02
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
564215, 564474, 564475, 564477, 564478, 568606, 568607, 568902, 568903, C07C27126
Patent
active
051839237
ABSTRACT:
The invention concerns a method for the preparation of polyurethane, polyester, polyamide, and polyurea diols which contain essentially all primary hydroxyl groups without capping by ethylene oxide. The method comprises coupling an alkylene oxide adduct of propylene glycol t-butyl ether or butylene glycol t-butyl ether or its aminated derivative with organic diisocyanates or dibasic acids followed by cleavage of the t-butyl group with an acid catalyst.
The resulting diol is useful in many types of urethane applications including foams, elastomers and coatings.
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Cuscurida Michael
Speranza George P.
Carr Deborah D.
Dees Jos,e G.
Park Jack H.
Priem Kenneth R.
Texaco Chemical Company
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