Ethers of oligomeric phenol-diketone condensation products and a

Details Ethers of oligomeric phenol-diketone condensation products and a Ethers of oligomeric phenol-diketone condensation products and a

1988-11-18

1990-05-01

Foelak, Morton

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

522135, 522141, 522147, 522149, 522162, 522166, 522178, 522181, 526243, 526244, 526247, 526280, 526286, 526289, 526291, 5262929, 526293, 528125, 528128, C08G 202, C08G 234, C08G 802, C08G 836

Patent

active

049219235

ABSTRACT:
Oligomeric condensation products of certain diketones 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 diacetylbenzene with from 3.5 to 4.0 molar proportions of phenol and end-capped with from 50 to 100% 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.
patent: 4816498 (1989-03-01), Zupancic et al.

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