Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1989-04-12
1990-11-13
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
526321, C08F28300
Patent
active
049702777
ABSTRACT:
Compounds of the formula I ##STR1## in which a is 1, 2 or 3, m is an integer from 2 to 20, R.sup.1, R.sup.2 and R.sup.3 independently of one another are hydrogen or methyl and R.sup.4 is an m-valent radical of a polyol after removal of m hydroxyl groups, can be thermally reacted to give cross-linked polymers having outstanding physical properties.
The polymers are suitable especially as casting resins, matrix resins, adhesives, encapsulating resins, insulating materials for electronics an electrical engineering and in surface protection.
REFERENCES:
patent: 3557062 (1971-01-01), Vergne et al.
patent: 4847335 (1989-07-01), Kramer
Bleutge John C.
Ciba-Geigy Corporation
Hall Luther A. R.
Jagannathan Vasu S.
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