Lightly cross-linked resin materials

Details Lightly cross-linked resin materials Lightly cross-linked resin materials

1986-06-09

1988-11-22

Nielsen, Earl

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523466, 523468, 525438, 528 97, 528 98, 528 94, 528104, 528 27, C08G 5922, C08G 5926

Patent

active

047866691

ABSTRACT:
The present invention relates to a new polymer composition having the processing characteristics of a thermosetting polymer along with an improved balance of properties including improved modulus/glass transition temperature/toughness balance. These new polymer compositions are prepared by reacting certain diphenolic compounds with certain diepoxide compounds to form linear units which are lightly crosslinked through the resulting secondary hydroxyl groups. Also disclosed and claimed are processes for preparing such compositions, cured compositions and end-use applications.

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patent: 4394497 (1983-07-01), Nelson et al.
patent: 4647648 (1987-03-01), Silvis et al.
J. F. McGrath, 29th National SAMPE Synposium, Apr. 3-5, 1984, pp. 447-458.

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