Polymer dispersions

Details Polymer dispersions Polymer dispersions

1976-04-19

1977-11-22

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 312XA, 260 328R, 260 328N, 260 334R, 260 336R, 260 336UA, 260 342, 260 75R, 260 75N, 260 78R, C08K 501, C08K 505, C08K 507, C08K 509

Patent

active

040595579

ABSTRACT:
A process is described for the production of a stable dispersion of a copolymer, in particular of a copolyester, copolyamide or copolyesteramide, in a non-solvent organic liquid. The process involves the steps of (1) dispersing two or more comonomers, each of which is capable of undergoing homopolymerization and is solid at the copolymerization temperature, in the liquid with the aid of a defined monomer-stabilizing agent and so as to produce monomer particles no larger than 50.mu., and (2) heating the dispersion so obtained so as to bring about copolymerization, in the presence of a defined polymer-stabilizing agent. The copolymers so produced are believed to be different in structure from those obtained from the same comonomers by melt or solution copolymerization.

REFERENCES:
patent: 3935155 (1976-01-01), Osmond et al.
patent: 3981839 (1976-09-01), Asher et al.
Polymer Encyclopedia, vol. 11, Interscience, N.Y. 1969, pp. 77-78.
Modern Plastics Encyclopedia 1974-1975, McGraw-Hill, N.Y., Oct. 1974, p. 54.

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