FUNCTIONALISED ELASTOMER NANOCOMPOSITE Russian patent published in 2009 - IPC C08L51/00 C08K3/34 C08F8/46 C08C19/28 B60C1/00

Abstract RU 2356922 C2

FIELD: nanotechnologies.

SUBSTANCE: invention relates to nanocomposite eligible for producing pneumatic diaphragms like inner tire liner of cars, trucks etc. The proposed nanocomposite comprises elastomer and nanoclay. Elastomer contained in nanocomposite represents a random copolymer of isoolefine with C₄ to C₇ and styrene monomer or isoolefine with C₄ to C₆ and multi-olefine comprising functionalised monomer link represented by group (I) suspended to elastomer E, i.e. (I) The proposed nanocomposite is produced by engagement of nanoclay, elastomer representing a random copolymer of isoolefine with C₄ to C₇ and styrene monomer or isoolefine with C₄ to C₆, engrafting promoter representing Lewis acid and, at least, one functionalising compound representing anhydrides of unsaturated carboxylic acids containing 3 to 23 carbon atoms.

EFFECT: nanocomposites feature improved properties of pneumatic diaphragm, namely, lower oxygen permeability.

61 cl, 5 ex, 2 tbl

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RU 2 356 922 C2

Authors

Gon Tsaigo

Dias Antoni Dzh.

Tsou Ehndi Kh.

Pul Beverli Dzh.

Karp Kriss R.

Dates

2009-05-27—Published

2003-05-30—Filed