Flame-retardant and weather-resistant thermal insulation material and preparation method thereof

• Main Authors: XU JIANHUA, DAI JIAO, SUN ZHENYU, LI SHUJUN, WANG WENHUA, LI CHUIXIANG
• Format: Patent
• Language: Chinese; English
• Published: 30.10.2018
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; BLASTING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERAL PROCESSES OF COMPOUNDING; HEATING; JOINTS OR FITTINGS FOR PIPES; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THEIR PREPARATION OR CHEMICAL WORKING-UP; THERMAL INSULATION IN GENERAL; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WEAPONS; WORKING-UP

The invention provides a flame-retardant and weather-resistant thermal insulation material and a preparation method thereof, and belongs to the field of preparation of chlorinated polyethylene rubber.The material comprises a product comprising a first layer and a second layer, wherein the first layer is made of a first composition; the first composition comprises the following raw materials: nitrile rubber, polyvinyl chloride, an antiager, a filling agent, a processing agent, a softener, a blowing agent, a blowing promoter, an accelerant and a vulcanizing agent; the second layer is made of asecond composition; the second composition comprises the following raw materials in parts by weight: chlorinated polyethylene rubber, an acid-acceptor, an antiager, a filling agent, a processing agent, a softener, a blowing agent, a blowing promoter, a crosslinking additive and a crosslinking agent. According to the method, the flame-retardant and weather-resistant thermal insulation material whose the surface layering is