Method of utilizing isocyanate linkages for forming multi-tier c

Details Method of utilizing isocyanate linkages for forming multi-tier c Method of utilizing isocyanate linkages for forming multi-tier c

1996-08-28

1998-06-30

Gorr, Rachel

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...

525440, 525452, 525474, C08G 1871

Patent

active

057735514

ABSTRACT:
A method of synthesizing multi-tier cascade polymers and the polymers made thereby are formed by reacting at least one tier of a polymer with a functionalized isocyanate having the following formula:

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Sperber and Fricano, J. Am. Chem. Soc., 71:3352 (1949).
Falb, Nudelman and Hassner, Syn. Commun. 23:2839 (1993).
Monning et al., J. Chem. Soc., Chem. Commun. pp. 2139-2140 (1994).

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