| 摘要 |
The new product, a Cl3P=N-N=PCl3 + NH3 reaction product, has been found to be an excellent flameretardant for material made from cellulose such as cotton, paper and sponge; polyester, wool and blends thereof. Conveniently the material can be treated with an aqueous solution containing a sufficient amount of the product and the material dried to make the material self-extinguishing. Then the treated and dried material is cured at a sufficient temperature to bond the product to the material. Alternatively, and usually preferably, the drying and curing can be accomplished as a single operation.
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