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비의류제품
process for the preparation of tris(n-carbalkoxylaminomethyl) -phosphine oxides and sulfides. patent
- 출판일1999.03
- 저자
- 서지사항
- 등록일 2016.11.02
- 조회수 525
the title compounds, having the formula (ro2cnhch2)3py where y=oxygen or sulfur, are prepared by reacting a tetrakis(n-carbalkoxylaminomethyl)phosphonium salt having the formula (ro2cnhch2)4p(+)x(-) with ammonia or a primary or secondary amine, followed by an oxidizing or sulfurizing agent. the products, after methylolation with formaldehyde, are useful as finishing agents for imparting flame retardant properties to cotton fabrics
