Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
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 99, 528104, C08G 5900, C08G 5924
Patent
active
047866683
ABSTRACT:
The present invention relates to a new thermoplastic polymer composition having the processing characteristics of a thermosetting polymer along with an improved balance of properties including solvent resistance and 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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Nielsen Earl
Shell Oil Company
Vance Dean F.
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