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...
Patent
1989-09-06
1992-03-31
Kight, III, John
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, 521159, C08F28302, C08G 1832
Patent
active
051009994
ABSTRACT:
A polycarbonatediol composition is disclosed having carbonate bonds and from about 1 to 40 ether bonds to one carbonate bond in a molecule, which can provide polyurethanes having high mechanical strength and heat and moisture resistibility, and furthermore having improved properties at low temperatures.
REFERENCES:
patent: 4808691 (1989-02-01), Konig et al.
patent: 4816529 (1989-03-01), Harris
Fujii Tatsumi
Murai Takaaki
Daicel Chemical Industries Ltd.
Kight III John
Truong Duc
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