Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From natural resin or derivative reactant excluding tall oil...
Patent
1988-01-29
1990-03-27
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From natural resin or derivative reactant excluding tall oil...
528302, 560186, C08G 6300, C08G 6316, C07C 6966
Patent
active
049121871
ABSTRACT:
An ester of a sterically hindered polyhydroxymonocarboxylic acid and a polyhydroxy-containing component, which ester is a solid at ambient temperature conditions, comprising the condensation product of said acid selected from the group consisting of dimethylolpropionic acid, trimethylolacetic acid, and mixtures thereof, and said polyhydroxy-containing component selected from the group consisting of pentaerythritol, trimethylolethane, and mixtures thereof, said product having a mol ratio of acid to polyhydroxy-containing component of at least about 1.75, a ring and ball softening point of at least about 50.degree. C., and an acid number of less than about 40.
An ester of a sterically hindered polyhydroxymonocarboxylic acid and a polyhydroxy-containing component, which ester is a solid at ambient temperature conditions, comprising the condensation product of said acid selected from the group consisting of dimethylolpropionic acid, trimethylolacetic acid, and mixtures thereof, and pentaerythritol, said product having a mol ratio of acid to pentaerythritol of at least about 0.75, a ring and ball softening point of at least about 50.degree. C., and an acid number less than about 40.
An ester of trimethylolacetic acid and trimethylolpropane, which ester is a solid at ambient temperature conditions, comprising the condensation product of said acid and said trimethylolpentane, said product having a mol ratio of acid to trimethylolpentane of at least about 1.75, a ring and ball softening point of at least about 50.degree. C., and an acid number of less than about 40.
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Anderson Harold D.
Daley Dennis R.
Questra Chemicals Corp.
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