Ethers of oligomeric phenol-dialdehyde condensation products and

Details Ethers of oligomeric phenol-dialdehyde condensation products and Ethers of oligomeric phenol-dialdehyde condensation products and

1987-11-30

1989-03-28

Kight, John

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

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

528151, 528154, 528159, 528160, C08G 202, C08G 234, C08G 836, C08G 804

Patent

active

048164984

ABSTRACT:
Oligomeric condensation products of certain dialdehydes and phenols can be end-capped with a vinylbenzyl moiety and certain other moieties, especially alkyl groups, to afford thermosetting resins particularly valuable in making laminated circuit boards. Resins prepared by the reaction of 1 molar proportion of glyoxal with from 3 to 4 molar proportions of phenol and end-capped with from 50 to 85% vinylbenzyl groups with the remainder being alkyls of 1 through 11 carbon atoms are particularly useful.

REFERENCES:
patent: 4448952 (1984-05-01), Patton, Jr. et al.
A. Eisenberg, "The Glassy State and the Glass Transition", Physical Properties of Polymers, J. E. Mark et al., editors, (American Chemical Soc.), pp. 74 et ff.

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