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
1984-04-24
Jacobs, Lewis Y.
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, C08L 6304, C08L 6302, C08L 6300
Patent
active
044449240
ABSTRACT:
The invention relates to a filled, resin composition and a method for the manufacture therefor. The composition is a matrix of an epoxy resin, a carbonate-containing filler, particularly calcium-magnesium carbonate or calcium carbonate, an anhydride hardener and an adhesive at 0.1 to 3.0 percent by weight, relative to the weight of the filler. The adhesive is a multibasic organic acid, an organic hydroxy acid such as malic acid or an amino acid. In the process, the adhesive can first be added to the hardener or to the filler containing resin before hardener is added.
REFERENCES:
patent: 2841504 (1958-07-01), Liggett
patent: 3314912 (1967-04-01), Bean et al.
patent: 3468839 (1969-09-01), Millane
Jacobs Lewis Y.
Siemens Aktiengesellschaft
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