Phosphorus-nitrogen quaternary ammonium as well as preparation method and application thereof

A quaternary ammonium salt, phosphorus nitrogen technology, applied in chemical instruments and methods, dyed low molecular organic compound treatment, organic chemistry, etc. and other problems to achieve the effect of solving the migration problem, increasing the flame retardant performance and reducing the secondary harm
CN101624403AInactive Publication Date: 2010-01-13ZHEJIANG UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
ZHEJIANG UNIV OF TECH
Publication Date
2010-01-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a phosphorus-nitrogen quaternary ammonium as well as a preparation method and application thereof. The phosphorus-nitrogen quaternary ammonium has a structure shown in the formula (I) and is prepared by the following steps: volution-contained phosphoryl chloride shown in the formula (II) is reacted with diamine compound shown in the formula (III) to obtain a compound shown in the formula (IV); the compound shown in the formula (IV) is reacted with acyl halide shown in the formula (V) to obtain a compound shown in the formula (VI); and the compound shown in the formula (VI) is reacted with tertiary amine shown in the formula (VII) to obtain the product, i.e. the phosphorus-nitrogen quaternary ammonium. The invention is used for chemically modifying montmrillonoid by using the phosphorus-nitrogen quaternary ammonium, improves the inflaming retarding effect to high polymer materials through the cooperative inflaming retarding function of the montmrillonoid and phosphorus-nitrogen fire retardant, reduces the consumption of the fire retardant in the high polymer materials and lowers the cost of fire-retarding materials.
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Description

(1) Technical field

[0001] The invention relates to a flame retardant and a preparation method thereof, in particular to a phosphorus-nitrogen type quaternary ammonium salt and its preparation method and application, especially its application in the preparation of a composite organophosphorus-nitrogen series-montmorillonite flame retardant. (2) Background technology

[0002] Polymer / montmorillonite nanocomposites have unique flame retardant properties. Compared with traditional flame retardant materials, they have the characteristics of small addition, halogen-free, and small impact on the properties of matrix materials. It is one of the important directions for the development of flame retardant technology. . However, polymer / montmorillonite nanocomposites cannot meet the requirements of general materials for flame retardancy. In order to maximize the flame retardancy of polymer materials, the existing technology often uses montmorillonite and organic flame retardants. fo...

Claims

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