Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1985-09-23
1987-05-26
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
65 3013, 501 32, 523402, 523442, 523444, 523457, 523460, 523459, 524406, 524408, 524410, 524413, 524401, 524431, 524434, 524435, C08K 500
Patent
active
046687190
ABSTRACT:
This invention provides an insulating protective material effective for protection of electronic and electric devices such as electronics elements. This insulating protective material contains at least one hydrous oxide of a metal which has ion exchange properties together with a fusion bonding component such as low-melting glass, epoxy resin, phenolic resin, silicone resin, etc. and a filler such as fused silica, .beta.-eucryptite, glass fiber, glass beads, etc.
Said specific hydrous oxide can be used together with a sulfur-containing organic high molecular weight compound.
The hydrous oxides used in protective materials as a sealing material for electronic and electric devices can capture an ionic impurity eluted from the components of the protective material and fix it therein thereby to provide stable electronic materials excellent in performance.
REFERENCES:
patent: 3929494 (1975-12-01), Veres
patent: 4486553 (1984-12-01), Wesch
Talanta, 1972, vol. 19, pp. 219 to 262, Pergamon Press, Northern Ireland.
Asai, deceased Masami
Kato Hideki
Ogasawara, deceased Takahisa
Yamamoto Noriyuki
Marquis Melvyn I.
Toagosei Chemical Industry Co. Ltd.
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