C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
117/192, 402/203
C08G 63/18 (2006.01) C08G 63/20 (2006.01) C08L 67/00 (2006.01) C09D 167/00 (2006.01)
Patent
CA 1124941
ABSTRACT OF THE DISCLOSURE There are disclosed thermosettable polyester resins which are the reaction products of specified amounts of a benzenedicarboxylic acid component (e.g.: 1,3-benzene- dicarboxylic acid), a trihydroxy alkyl component (e.g.: 2-ethyl-2-(hydroxymethyl)-1,3-propanediol), a short chain alkylene diol component having four or less carbon atoms in the primary carbon chain between the hydroxyl moieties (e.g.: 2,2-dimethyl-1,3-propanediol), a dihydroxy alkyl constituent having four to ten carbon atoms in the primary carbon chain between the hydroxyl moieties (e.g.: 1,6-hexanediol), and optionally, an alkyl dicarboxylic acid component (e.g.: 1,6-hexanedioic acid). These polyesters have a number average molecular weight of from about 1,400 to about 5,000, a combined acid and hydroxyl number of about 40 to about 160 milligrams of KOH per gram of polyester, and a transition temper- ature of about -15° to +25°C.
330195
Lynch Conrad L.
Tobias Michael A.
Kirby Eades Gale Baker
Mobil Oil Corporation
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