Oil-resistant high-dimensional-precision turnout rubber base plate and preparation method thereof

• Main Authors: DONG QUANXIAO, YANG KAI, BAO LINHENG, BAO XINGXU, HUANG DI, LIU KUAN, YAN SIMENG, AN WEIHU, GUO YUBAO, FENG XIAOHUI, SONG TIANTIAN, ZHANG LING, WEN YUQING, LIU SONGRAN, QIU PENG, LI LIFEN, CAO YONGPENG, JIANG RUOLIN, LIU XIAORU, GAO WEIFENG
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2024
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The invention relates to an oil-resistant high-dimensional-precision turnout rubber base plate and a preparation method thereof. The base plate is prepared from rubber, superfine fully-vulcanized powder carboxy nitrile rubber microspheres, zinc oxide, stearic acid, sulfur, a coupling agent, a dispersing agent, a promoting component, an anti-aging agent and reinforcing agent rubber powder. The rubber is a mixture of butadiene styrene rubber and butadiene rubber according to the content weight ratio of (80-90): (10-20); the reinforcing agent rubber powder is a mixture of styrene-butadiene latex, medium super wear-resistant furnace carbon black, kaolin and white carbon black in a weight ratio of (15-20): (20-30): (20-30): (10-16); relative to 100 parts by weight of rubber, the content of the rubber microspheres is 5-10 parts, the content of the zinc oxide is 3-5 parts, the content of the stearic acid is 3-4 parts, the content of the sulfur is 0.3-2 parts, the content of the coupling agent is 0.5-2 parts, the con