Compound bearing an urethane linkage which is an adduct of ricin

Details Compound bearing an urethane linkage which is an adduct of ricin Compound bearing an urethane linkage which is an adduct of ricin

1995-04-27

1999-09-14

Mulcahy, Peter D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524567, 524569, 560 25, 560115, C08J 902

Patent

active

059524111

ABSTRACT:
A novel compound bearing urethane linkage of formula as shown herebelow, which is an adduct of ricinoleic ester and isocyanate, useful as a plasticizer for polyvinylchloride (PVC) and a process for the preparing the compound bearing urethane linkage by reacting fatty acid esters bearing hydroxyl groups with an organic isocyanate in the presence of a catalyst at a temperature in the range of 30.degree.-100.degree. C. ##STR1## Wherein Ar= ##STR2##

REFERENCES:
patent: 3875090 (1975-04-01), Levy
patent: 4569972 (1986-02-01), Legue et al.

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