Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1982-09-28
1984-05-08
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523451, 523453, 523455, 523457, 523440, C08K 326
Patent
active
044475640
ABSTRACT:
The compositions are anhydride-hardened epoxy resins which are filled with calcium-magnesium or calcium carbonate particles having a coating of a multibasic organic or inorganic acid bonded to the surfaces of the particles. Castings or moldings made therefrom, particularly electrical parts for SF.sub.6 technology, exhibit improved mechanical properties such as bending strength and impact strength.
REFERENCES:
patent: 2841504 (1958-07-01), Liggett
patent: 3314912 (1967-04-01), Bean et al.
patent: 3468839 (1969-09-01), Millane
Jacobs Lewis T.
Siemens Aktiengesellschaft
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