Multidimensional ether sulfone oligomers

Details Multidimensional ether sulfone oligomers Multidimensional ether sulfone oligomers

1989-03-06

1991-12-10

Anderson, Harold D.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528171, 428288, 428290, 427350, 4273855, 548435, 548476, 548547, C08G 7300, C08G 7500

Patent

active

050719416

ABSTRACT:
The solvent resistance of polyethersulfone oligomers is enhanced by using difunctional imidophenol end-cap monomers to provide improved crosslinking. The imidophenol monomers include two unsaturated functionalities capable of cross-linking upon thermal or chemical activation. Blends, pregregs, and composites using the novel end caps are described for linear or multidimensional polyethersulfone oligomers.

REFERENCES:
patent: 4851501 (1989-07-01), Lubowitz et al.
patent: 4871475 (1989-10-01), Lubowitz et al.
patent: 4973662 (1990-11-01), Odagire et al.

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