Polyurethanes wherein the chain-lengthening agents are benzoic e

Details Polyurethanes wherein the chain-lengthening agents are benzoic e Polyurethanes wherein the chain-lengthening agents are benzoic e

1974-11-29

1976-11-09

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AZ, 260 75NH, 260471R, C07C10168, C08G 1832

Patent

active

039910237

ABSTRACT:
Polyurethane resins are provided, which polyurethanes are chain extended with ester diamines of the formula ##SPC1##
Wherein R is C.sub.1 to C.sub.20 alkyl radical and R' is a C.sub.1 to C.sub.10 alkyl radical.

REFERENCES:
patent: 3681290 (1972-08-01), Meckel et al.
patent: 3794621 (1974-02-01), Meckel et al.

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