RUBBER COMPOSITION FOR STUDLESS TIRE TREAD

• Main Author: SHIN, GYEONG SEOP
• Format: Patent
• Language: English; Korean
• Published: 12.12.2002
• Edition: 7
• Subjects: CHEMISTRY; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLE TYRES; VEHICLES IN GENERAL

PURPOSE: A rubber composition for a studless tire tread is provided to improve the braking property and the low rolling resistance on the icy and snowy surface by using a cellulose fiber surface-treated with a silicon compound and a polyethylene. CONSTITUTION: The rubber composition comprises 100 parts by weight of a diene-based natural rubber; 5-25 parts by weight of a cellulose fiber; 1-10 parts by weight of a polyethylene polymer; and at least one additive selected from the group consisting of a curing accelerator, a curing agent, an antiaging agent, a reinforcement and silica. Preferably the cellulose fiber is surface-treated with 0.5-30 parts by weight of a silicon compound based on the weight of the cellulose fiber. The silicon compound is preferably selected from the group consisting of vinyl tri(2-methoxyethoxy)silane, 3-methacryloxypropyltrimethoxysilane and 3-aminopropyltriethoxysilane.