公开(公告)号：US20240360364A1

公开(公告)日：2024-10-31

申请号：US18645809

申请日：2024-04-25

Applicant: Koppers Performance Chemicals, Inc.

Inventor： Bin Li ,  Jun Zhang ,  Douglas Herdman

IPC: C09K21/04 ,  C09K21/02

CPC classification number: C09K21/04 ,  C09K21/02

Abstract: A method for manufacturing an aqueous fire retardant composition, an aqueous fire retardant composition, a method of treating a wood substrate therewith, and a wood product produced therefrom are provided. The method for manufacturing the aqueous fire retardant composition comprises combining a phosphoric acid, an ammonia compound, and a boric acid and contacting the phosphoric acid with the ammonia compound in an aqueous medium to form a reaction product comprising a phosphate salt. The fire retardant composition comprises the reaction product and the aqueous medium.