| abstract |
The present invention relates to a polyurethane binder, a rubber chip mixture composition and an elastic flooring material comprising the same, and more particularly, 2,4'-diphenylmethane diisocyanate and carbodiimide in the production of polyurethane binder for rubber chip mixing By introducing modified 4,4'-diphenylmethane diisocyanate and using a reactive UV absorber with a special structure, rubber chip blending can maintain the inherent characteristics of rubber chips as well as excellent mechanical properties and weather resistance It relates to a polyurethane binder, a rubber chip mixture composition comprising the same, and an elastic flooring material. |