Epihalohydrin polymer composition

Details Epihalohydrin polymer composition Epihalohydrin polymer composition

1981-07-24

1983-03-29

Jacobs, Lewis T.

Electricity: conductors and insulators

Conduits, cables or conductors

Combined

428355, 428377, 28379, 524409, 524430, 524431, 524441, 524449, 524451, 524502, 524541, H02G 1508, H02G 1502

Patent

active

043784631

ABSTRACT:
A composition based on epihalohydrin elastomers comprises from 12 to 125 parts, preferably from 25 to 75 parts, of a suitable tackifier, and from 25 to 150 parts, preferably from 30 to 100 parts, of a particulate filler per 100 parts by weight of elastomer. The tackifier contains polar moieties for compatibility with the elastomer and is preferably a phenolic, modified phenolic, coumarone-indene or polyketone resin. The filler is preferably an inorganic material such as alumina trihydrate, silica, or iron oxide. These composition have useful adhesive and surprising stress-grading properties and are thus suitable for use with heat-recoverable articles in the terminatiion, connection, and encapsulation of high voltage electrical apparatus.

REFERENCES:
patent: 3349164 (1967-10-01), Wyatt
patent: 3479204 (1969-11-01), Lovelock et al.
patent: 3732174 (1973-05-01), Nicholas
patent: 3808288 (1974-04-01), Hackhel
patent: 3870552 (1975-03-01), Hackhel
I. Skeist, ed.; Handbook of Adhesives, (1962), pp. 189, 199.
C. V. Cagle, ed.; Handbook of Adhesive Bonding, (1972), pp. 16-1, 16-10.
B. F. Goodrich Chemical Co.; Sales Service Report INT 6-68; "Currently Available Basic Information on the Use of HYDRIN 100 in Adhesives", (May 1968).

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