Process for the preparation of granular urethane-urea polymers

Details Process for the preparation of granular urethane-urea polymers Process for the preparation of granular urethane-urea polymers

1976-04-09

1978-04-11

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 292TN, 260 304N, 260 314R, 260 328N, 260 332R, 260 336UB, 260 338UB, 260 75NH, 260 75NK, 260 775CH, C08G 1808

Patent

active

040838315

ABSTRACT:
A suspension process is described for the preparation of an essentially linear polyurethane-urea granule comprising the steps of:
A. adding to an aqueous solution of from about 2% to about 20% by weight of a water-soluble inert suspension agent

REFERENCES:
patent: 2702797 (1955-02-01), Rugg
patent: 2734045 (1956-02-01), Nelson
patent: 2830037 (1958-04-01), Carter
patent: 3213049 (1965-10-01), Heiss
patent: 3402149 (1968-09-01), Walters
patent: 3560447 (1971-02-01), Bingham
patent: 3655627 (1972-04-01), Hutzler et al.
patent: 3817886 (1974-06-01), McGarr
patent: 3850880 (1974-11-01), Hakanson et al.

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