Process for the production and purification of SH-terminated pre

Details Process for the production and purification of SH-terminated pre Process for the production and purification of SH-terminated pre

1987-10-30

1989-08-29

Anderson, Harold D.

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

Synthetic resins

From heterocyclic reactant containing as ring atoms oxygen,...

525408, 528405, 528425, 528485, 528487, 528488, 528489, 528501, C08G 6502

Patent

active

048618632

ABSTRACT:
Process for the production and purification of SH-terminated prepolymers by reaction of polyhydroxy compounds with thioalkane carboxylic acids, wherein one or more adducts of ethylene oxide and/or propylene oxide with triols or tetraols corresponding to the following general formula ##STR1## in which m=1, 2 or 3,

REFERENCES:
patent: 3549565 (1970-12-01), Jones et al.
patent: 3881047 (1975-04-01), Massy et al.
patent: 3931078 (1976-01-01), Marrs et al.
U.S. Pat. No. 3,306,875, cols. 1-2, 35-36

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