Novel polyesteramides having low glass transition temperatures

Details Novel polyesteramides having low glass transition temperatures Novel polyesteramides having low glass transition temperatures

1980-12-05

1982-08-10

Niebling, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

528288, 5282953, C09J 316

Patent

active

043437435

ABSTRACT:
Random or regularly recurring block polyesteramides having glass transition temperatures at least as low as -30.degree. C. are prepared from (i) essentially difunctional monomers comprising at least one carboxylic acid function, or ester/amide-forming derivative thereof, at least 1 mol % of which comprising dicarboxylic acids or such derivatives thereof and having from 20 to 60 carbon atoms, with the amount of monofunctional carboxylic acids comprising said carboxyl monomers being less than about 1% by weight and the amount of carboxylic acids having in excess of two functional groups being less than about 5% by weight, and (ii) a member selected from the group consisting of dihydroxyl and diamino comonomers therefor, or aminoalcohol comonomers, or mixtures of diamino and aminoalcohol comonomers.

REFERENCES:
patent: 3637551 (1972-01-01), Sprauer
patent: 3650999 (1972-03-01), Martins
patent: 4045389 (1977-08-01), Drawert et al.
patent: 4218351 (1980-08-01), Rasmussen

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