Elastomeric and plastomeric materials containing amorphous carbo

Details Elastomeric and plastomeric materials containing amorphous carbo Elastomeric and plastomeric materials containing amorphous carbo

1973-07-23

1976-04-20

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106288B, 260 37R, 260 42, 260 4247, 260 4249, 260 4252, 260765, 423435, C08K 304, C08K 336

Patent

active

039519074

ABSTRACT:
A composition of matter is disclosed which includes rubber, plastomer and elastomer materials, that is, natural and synthetic rubbers and polymeric materials commonly referred to as plastics containing as a filler material a carbonaceous siliceous material derived from organic agricultural material having high initial silica contents (for example, rice hulls) of up to about 28%; which carbonaceous siliceous material is obtained from the original organic agricultural material by a process of controlled incineration such that the resulting material contains minor residual impurities and small quantities of residual carbon and is amorphous in nature while retaining the original cellular structure of the agricultural material from which it is derived; the rubber; elastomeric and plastomeric compositions also may contain other ordinary components used in the preparation of such materials employing other fillers.

REFERENCES:
patent: 2428252 (1947-09-01), Von Stroh
patent: 3125043 (1964-03-01), Gravel
patent: 3646161 (1972-02-01), Marwede et al.
patent: 3676166 (1972-07-01), Louthan
Hackh's Chemical Dictionary (4th Ed.) (McGraw-Hill) (N.Y.) (1969), pp. 232-233.
Modern Plastics Encyclopedia 1968) (Sept. 1967), (McGraw-Hill) (N.Y.), pp. 580-581.

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