Difunctional bitricyclodecatriene monomers

Details Difunctional bitricyclodecatriene monomers Difunctional bitricyclodecatriene monomers

1996-08-30

1998-06-23

Krass, Frederick

Organic compounds -- part of the class 532-570 series

Organic compounds

Isocyanate esters

560360, 560359, 562488, 562498, 562499, 562505, 562853, 562855, 562867, 564427, 564428, 568326, 568327, 568718, 568719, 568720, C07C20512

Patent

active

057707634

ABSTRACT:
Novel difunctionalized cyclobutabenzene monomers of the general formula: ##STR1## wherein Z can be hydrogens or a cyclobutane ring; and X and Y are carboxyl, amino, alcohol, isocyanate, acid halide, or bis-acyl halide groups. Exemplary difunctional bitricyclodecatriene monomers are (QXTA). The difunctionalized bitricyclodecatriene monomers can form part of a polymer backbone chain in which the multiple butane ring functionalities can be easily opened to produce strong, three-dimensional covalent bond crosslinking between polymer chains. The crosslinking can be induced simply by heating the polymer to a temperature in excess of 250.degree. C.

REFERENCES:
patent: 5616765 (1997-04-01), Tan et al.
Chemical Abstracts 110:23473, "Cyclobutarenes", Michael K. Sheperd, Apr. 1988.
Chemical Abstracts 103:5995, "Biphenylenes", Cracknell et al., Jan. 1985.
Chemical Abstracts 102:95712, "Synthesis of the First Linear (O-Phenylene Naphthalenes", Helson et al., Feb. 1985.

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