SULPHUR-CROSSLINKABLE RUBBERIZING MIXTURE Russian patent published in 2016 - IPC C08L7/00 C08K3/36 C08K3/04 C08K5/54 B29D30/06 

Abstract RU 2605582 C2

FIELD: chemistry.

SUBSTANCE: invention relates to sulphur-crosslinkable rubberizing mixture for strengthening elements in vehicle pneumatic tyres, comprising 70 to 100 phr (parts by weight, based on 100 parts by weight of total rubbers in the mixture) of natural rubber, up to 30 phr of at least one polybutadiene, up to 15 phr of at least one carbon black, 20 to 100 phr of at least one high-dispersibility silica dioxide, at least one silane coupling agent and a bonding system. Present invention also relates to automotive pneumatic tyres comprising sulphur-crosslinkable rubberizing mixture. High-dispersibility silica dioxide has a CTAB number to ASTM D 3765 of more than 130 m2/g.

EFFECT: improved resistance to cracking and growth of cracks with good adhesion and good mechanical and dynamic properties.

9 cl, 1 tbl

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RU 2 605 582 C2

Authors

Kramer Tomas

Rekker Karla

Kreje Mark

Torbrjugge Torsten

Dates

2016-12-20Published

2012-08-01Filed