Nano silica reinforced foaming agent, modified polyurethane plastic track and paving method of modified polyurethane plastic track

• Main Author: TIAN YOUBIN
• Format: Patent
• Language: Chinese; English
• Published: 18.01.2019
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; GENERAL PROCESSES OF COMPOUNDING; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

The invention relates to a nano silica reinforced foaming agent, a modified polyurethane plastic track and a paving method of the modified polyurethane plastic track. Nano silica particles have a diameter of 0.01 to 1.0 micrometers and a specific surface area of 20 to 30 square meters per gram. Modified polyurethane comprises 6 to 12% of isocyanate, 30 to 55% of polyether polyol and 5 to 50% of nano silica. The plastic track is formed by an upper surface, a middle layer and a bottom surface which are of an integral structure; the middle layer is provided with a plurality of enclosed and mutually independent small-sized airbags; and the airbags have a diameter of 0.1 to 1.5 millimeters. According to the invention, the reinforced foaming agent using the nano silica as a modified polyurethanematerial not only is helpful for material foaming, but also can reinforce intensity of a material. The plastic track disclosed by the invention is reduced in weight, low in cost and stable in construction quality, has no sec