FIELD-FOAMING SYSTEM FOR FORMING FLAME-RETARDANT POLYURETHANE FOAM IN THE FIELD

摘要

PROBLEM TO BE SOLVED: To form a polyurethane foam having excellent flame retardancy in the field.SOLUTION: A field-foaming system for forming a flame-retardant polyurethane foam in the field contains (A) first liquid containing polyisocyanate, (B) second liquid containing polyol, (C) trimerization catalyst, (D) foaming agent, (E) foam stabilizer, and (F) an additive containing red phosphorus, and at least one selected from phosphate, phosphate-containing flame retardant, bromine-containing flame retardant, boric acid-containing flame retardant, antimony-containing flame retardant, and metal hydroxide.SELECTED DRAWING: None