C07C265/08

METHOD OF PRODUCING THIOURETHANE RESIN RAW MATERIAL AND APPLICATION THEREOF, METHOD OF PRODUCING POLYTHIOL COMPOSITION AND APPLICATION THEREOF, AND POLYTHIOL COMPOSITION

A method of producing a thiourethane resin raw material, the method including comprising the step of generating the thiourethane resin raw material by reacting a thiourethane resin and an active hydrogen compound with each other.