Liquification of bis-carbonates of bis-glycidyl ethers

Details Liquification of bis-carbonates of bis-glycidyl ethers Liquification of bis-carbonates of bis-glycidyl ethers

1993-07-19

1994-08-23

Krass, Frederick

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528111, 528370, 549230, 549229, 560 25, 560 26, 560115, 560158, C08G 6400, C07C26100, C07C26900, C07C27100

Patent

active

053408896

ABSTRACT:
Liquid hydroxyurethane products having cyclocarbonate end groups are prepared by reacting a molar excess of a bis-carbonate of a bis-glycidyl ether of neopentyl glycol or 1,4-cyclohexanedimethanol with a polyoxyalkylenediamine such as a polyoxypropylenediamine. These products are useful for the preparation of polyurethanes, polyurethane polyols, polyester polyurethane polyols, and polycarbonate polyurethane polyols.

REFERENCES:
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patent: 2935494 (1960-05-01), Whelan et al.
patent: 3072613 (1963-01-01), Whelan et al.
patent: 3084140 (1963-04-01), Gurgiolo et al.
patent: 3624016 (1971-11-01), Lew
patent: 4892954 (1990-01-01), Brindopke et al.
patent: 5175231 (1992-12-01), Rappaport et al.

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