A self-emulsified water-cured environmentally friendly polyurethane waterproof coating invention patent

China Coatings Online News
: CN201510561609.0
Application Date: 2015.09.06
Public No
CN10500177 6A
Public Day: 2015.10.28
Applicant: Beijing Oriental Yuhong Waterproof Technology Co., Ltd.
Abstract: A self-emulsified water-cured environmentally friendly polyurethane waterproof coating, by A and B The ingredients are mixed evenly in a certain proportion and emulsified with water, and the A-parts are made from a mixture of polyether polyols with a weight ratio of 50% to 70%, diphenyl methane diocyanate with a weight ratio of 20% to 30%, and plasticizers with a weight ratio of 1% to 30%. The B components include liquid fillers with a weight ratio of 25% to 55%, inorgeable powders with a weight ratio of 40% to 60%, chemical additives with a chemical aid of 1% to 10%, and hydrolytic chaining agents with a weight ratio of 0.1% to 5%. The invention's emulsified environmentally friendly water-cured polyurethane waterproof coating has the advantages of environmental protection, low cost, long operanta and high mechanical strength, and is suitable for building waterproofing, especially suitable for construction in wet grass, humid environment and confined space.