RUBBER MIXTURE, VULCANIZED RUBBER, TIRE, NON-STUDDED TIRE Russian patent published in 2021 - IPC C08L21/00 C08J9/04 C08L101/00 B60C1/00 B60C11/00 

Abstract RU 2762753 C2

FIELD: tire production.

SUBSTANCE: invention relates to rubber mixtures and vulcanized rubber obtained from them. A rubber mixture is proposed, containing a rubber component and short resin fibers, wherein short resin fibers have a ratio A/B from 1.5 to 10, where A is a length of a cross-section perpendicular to a direction of a long axis in a direction of a long diameter of the cross-section, and B is a length of the cross-section perpendicular to the direction of the long axis in the direction of a short diameter of the cross-section. Short resin fibers are complex resin that contains hydrophilic resin and a coating layer covering hydrophilic resin and formed of resin having affinity to the rubber component, which is resin based on polyolefin with a melting temperature lower than the maximum temperature of vulcanization of the rubber mixture. Vulcanized rubber, a tire and a non-studded tire obtained from the proposed rubber mixture are also proposed.

EFFECT: proposed rubber mixture allows for obtaining vulcanized rubber with high water-absorbing capability, as well as a tire and a non-studded tire with excellent operational characteristic on ice.

16 cl, 6 dwg, 2 tbl, 5 ex

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RU 2 762 753 C2

Authors

Kawashima, Masahiro

Dates

2021-12-22Published

2018-03-20Filed