RUBBER COMPOSITIONS Russian patent published in 2012 - IPC C08K9/12 C08K5/00 C08L21/00 B82B1/00 

Abstract RU 2460744 C2

FIELD: chemistry.

SUBSTANCE: composition contains filler as well as (i) at least one rubber which contains an unsaturated olefin fragment and (ii) less than 2 parts/100 parts rubber and preferably more than 0.1 parts/100 parts particles of functionalised nanosized zinc oxide. Said particles are particles of nanosized zinc oxide with a coating agent. The composition is obtained by mixing said components, preferably with addition of a primary vulcanisation accelerator in total amount of 0.5-4 parts/100 parts rubber. The composition is used as or in a component of tyres, belts and hoses.

EFFECT: method ensures significant reduction in content of zinc oxide in a rubber composition without negative effect on the subsequent solidification and vulcanisation process and enables to avoid the use of additional vulcanisation accelerators.

23 cl, 5 dwg, 5 tbl, 7 ex

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RU 2 460 744 C2

Authors

Vulard Kristofer Dennis

Garde Katrin

Bosh Robert Mikhaehl'

Dates

2012-09-10Published

2007-05-22Filed