Polycarbonate diols, their preparation and use as starting produ

Details Polycarbonate diols, their preparation and use as starting produ Polycarbonate diols, their preparation and use as starting produ

1996-03-29

1997-04-15

Mosley, Terressa

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 80, 528196, 528198, 528201, 528202, C08G 1834, C08G 6400

Patent

active

056210655

ABSTRACT:
This invention relates to novel polycarbonates having hydroxyl end groups and an average molecular weight of 500 to 12,000, as determined by measuring the OH number, and being based on dimer diols containing either 36 or 44 carbon atoms. These novel polycarbonates are particularly suitable for the use in a process for the production of polyurethane plastics which are stable to hydrolysis and oxidation.

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patent: 5254662 (1993-10-01), Szycher et al.
P. Ball, H. Fuillmann and W. Heitz Angew. Chem. 92, 1980 (Month unavailable) No. 9 pp. 742 and 743. (English translation attached).

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