Polyimide oligomers

Details Polyimide oligomers Polyimide oligomers

1995-06-05

1997-08-05

Seidleck, James J.

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

Synthetic resins

From carboxylic acid or derivative thereof

528170, 528171, 528172, 528173, 528176, 528185, 528188, 528220, 528229, 528350, 4284111, 525421, 525422, 525426, 525432, 525436, C08G 7310, C08G 6926

Patent

active

056543964

ABSTRACT:
We achieve solvent resistance and extended use life for advanced polyimides by including at least some solvent-resistant linkages in the backbone in place of phenoxyphenyl sulfone linkages and using diPEPA or PEPA crosslinking end caps.

REFERENCES:
patent: 5116935 (1992-05-01), Lubowitz et al.
patent: 5144000 (1992-09-01), Sheppard et al.
patent: 5216117 (1993-06-01), Sheppard et al.
patent: 5344894 (1994-09-01), Lubowitz et al.

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