一种含磷有机硅化合物及其制备方法与应用

Phosphoric organic silicon compound, preparation method and application thereof

Abstract

本发明公开了一种含磷有机硅化合物及其制备方法与应用。本发明所提供的含磷有机硅化合物,其结构如式I所示,其中,R<sub>1</sub>,R<sub>2</sub>,R<sub>3</sub>,R<sub>4</sub>选自C1-C5的烷基、C1-C5的烷氧基、芳基、卤素取代的芳基、芳氧基;R<sub>5</sub>与R<sub>6</sub>为C0-C5的亚烷基;R<sub>7</sub>-R<sub>14</sub>选自氢原子、C1-C5的烷基、硝基、C1-C5的烷氧基、芳基、卤素取代的芳基、芳氧基;n为1-10。本发明利用9,10-二氢-9-氧杂-10-磷杂菲-10-氧化物(DOPO)衍生物中活泼的磷氢键与含有两个碳碳双键的硅氧烷发生加成反应而生成一种新型含磷有机硅化合物;该化合物同时含有磷和硅两种具有阻燃性能的元素,可以作为添加型阻燃剂用于高分子材料的阻燃。
The invention discloses a phosphoric organic silicon compound, a preparation method and application thereof. The structural formula of the phosphoric organic silicon compound is shown as Figure 1, wherein, R1, R2, R3 and R4 are selected from C1-C5 alkyl, C1-C5 alkoxy, aryl, aryl substituted by halogen and aroxy; R5 and R6 are C0-C5 alkylidene groups; R7-R14 are selected from hydrogen atom, C1-C5 alkyl, nitro, the C1-C5 alkoxy, aryl, the aryl substituted by the halogen and the aroxy; and n is 1-10. The preparation method comprises performing an addition reaction of an active phosphorus-hydrogen bond in a 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (DOPO) derivative and siloxane containing two carbon-carbon double bonds to produce the novel phosphoric organic silicon compound. The compound contains two elements namely phosphorus and silicon which have flame retardant property, and can be taken as an additive flame retardant for inflaming retarding of high molecular materials.

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