Production method of low-VOC environment-friendly one-component polyurethane waterproof coating

【Application Number】: CN201410459714.9

【Application Date】: 2014.09.11

【Publication Number】: CN104194609A

[Open date]: 2014.12.10

【Applicant】: Beijing Oriental Yuhong Waterproof Technology Co., Ltd.

【Abstract】: A low-VOC environmentally friendly one-component polyurethane waterproof coating, made of the following raw materials in parts by weight, 20-40 parts of diphenylmethane diisocyanate, 150-200 parts of polyether polyol, 80 parts ～120 parts of plasticizer, 180～250 parts of pigments and fillers, 1～5 parts of bentonite, 0.1～0.4 parts of defoamer, and 0.1～0.5 parts of catalyst. The low-VOC environmentally friendly one-component polyurethane waterproof coating of the present invention does not add any solvents, coal tar and other toxic substances, and the content of volatile organic compounds meets the harmful substance content A of reactive architectural waterproof coatings in JC1066-2008 "Limits of Harmful Substances in Building Waterproof Coatings" Class requirements (VOC≤50g/L), with environmental protection characteristics.