Novel encapsulating material and method

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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Details

260 37SB, 260 465H, C08L 8304, C08J 300

Patent

active

039337120

ABSTRACT:
A novel encapsulating material and method of making said material is described wherein an organopolysiloxane polymer is mixed with a polydimethyl siloxane fluid diluent, a filler of hollow glass beads and a controlled amount of sodium in the form of sodium borate. A methyl hydrogen siloxane catalyst is added to the mixture and the material cured; the total amount of sodium present in the mixture and catalyst is maintained at approximately 180 ppm.

REFERENCES:
patent: 2967170 (1961-01-01), Merker
patent: 3527728 (1970-09-01), Gibbon et al.
patent: 3539530 (1970-11-01), Karstedt
patent: 3814723 (1974-06-01), Yokokawa et al.

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