Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1986-04-07
1987-09-01
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524360, 524370, 524378, 524529, 524535, 524538, 524537, 524588, 524612, 525202, 525275, 526285, C08K 534, C08K 500, C08L 4900
Patent
active
046909621
ABSTRACT:
An electronic circuit having an electrically conductive pattern formed on a substrate and having on at least one surface of the substrate a film obtained from a soluble polymerizable oligomer of the formula: ##STR1## wherein D is ##STR2## wherein M is --C.tbd.C--, --C.tbd.C--C.tbd.C, --O--, ##STR3## wherein R is an alkyl or aromatic group; wherein Ar is an aromatic group; wherein x is an integer greater than two but less than 30, z is either zero or an integer, and y is an integer wtih the sum of y and z equal to x; and wherein n is an integer from 1 to 10. The substrate is coated by applying the above composition to the substrate and then hardening the composition by further polymerization. Preferred compositions contain the above described oligomer and certain plasticizers and/or toughening agents.
REFERENCES:
patent: 2838469 (1958-06-01), Buselli et al.
patent: 4070333 (1978-01-01), Jabloner
patent: 4108942 (1978-08-01), Chalk et al.
patent: 4258079 (1981-03-01), Economy et al.
patent: 4273906 (1981-06-01), Economy et al.
patent: 4339526 (1982-07-01), Baise et al.
Clark Roger J.
Economy James
Flandera Mary A.
Susko John R.
Wheater Robin A.
International Business Machines - Corporation
Sarofim N.
Schofer Joseph L.
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