Patent ID: 9682889
Date: 2017-06-20
CPC Classifications: C04B,C08L,C09K,E01C

Claim:
1. A temperature-sensitive anti-freezing material for asphalt pavements, which is a granulated double layer composite material formed by coating a chloride as a core material with a temperature-sensitive agent as a coating, wherein the components of the composite material comprise, based on parts by weight, 75-95 parts of the chloride and 5-20 parts of the temperature-sensitive agent, wherein the temperature-sensitive agent has a composition comprising, based on percentage by weight, 6-10% of polyphenylene ether with a molecular weight of 2000, and 40-55% of polypropylene oxide with a molecular weight of 2000-20000, with the balance being glyceryl trilaurate.