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Organosilicon/phenoxy phosphazene high-molecular copolymer, and preparation method and application thereof

A technology of polymer copolymer and phenoxyphosphazene, applied in the field of polymer materials, can solve the problems of low thermal stability and poor compatibility, and achieve the effects of high thermal stability, good compatibility and cost reduction

Active Publication Date: 2020-12-29
SICHUAN COREMER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] One of the objects of the present invention is to provide a method for preparing organosilicon / phenoxyphosphazene high molecular weight copolymer, the organosilicon / phenoxyphosphazene high molecular copolymer that adopts this method can improve its resistance While improving fuel efficiency, solve the shortcomings of low thermal stability and poor compatibility with plastics

Method used

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  • Organosilicon/phenoxy phosphazene high-molecular copolymer, and preparation method and application thereof
  • Organosilicon/phenoxy phosphazene high-molecular copolymer, and preparation method and application thereof
  • Organosilicon/phenoxy phosphazene high-molecular copolymer, and preparation method and application thereof

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Embodiment 1

[0033] This embodiment discloses the synthesis method of organosilicon / phenoxyphosphazene of the present invention, specifically:

[0034] ①. Using 40g of hexachlorocyclotriphosphazene to open the ring at 250°C to prepare linear chlorine-containing polyphosphazene, the detection reaction

[0035] After it should be complete, stop heating and reserve;

[0036] ②. At high temperature (160°C), pass 200g of 5wt% NaOH aqueous solution into 100g of xylene containing 10g of bisphenol A and immediately separate the water. When bisphenol A disodium salt is formed and precipitated, use iso Propanol is dissolved, and finally all the solvent is evaporated to obtain dry bisphenol A disodium salt, and finally the prepared bisphenol A disodium salt is dissolved in xylene to prepare 10% bisphenol A disodium salt-xylene solution;

[0037] ③. The linear chlorine-containing polyphosphazene prepared in step ①, 10g methyltrichlorochlorosilane, 80g 10wt% bisphenol A phenol disodium-xylene solutio...

Embodiment 2

[0039] This embodiment discloses the synthesis method of organosilicon / phenoxyphosphazene of the present invention, specifically:

[0040] ①. Using 45g of hexachlorocyclotriphosphazene to open the ring at 250°C to prepare linear chlorine-containing polyphosphazene, the detection reaction

[0041] After it should be complete, stop heating and reserve;

[0042] ②.Using xylene as a solvent, put 200g of 5wt% NaOH aqueous solution into 100g of xylene containing 10g of bisphenol A at high temperature (160°C) and immediately separate the water, when bisphenol A disodium salt is formed and precipitated Then dissolve it with isopropanol, and finally evaporate all the solvents to obtain dry bisphenol A disodium salt, and finally dissolve the prepared bisphenol A disodium salt in xylene to prepare 15wt% bisphenol A disodium salt salt-xylene solution;

[0043] ③. The linear chlorine-containing polyphosphazene prepared in step ①, 13g ethyltrichlorochlorosilane, 90g 15wt% bisphenol A phen...

Embodiment 3

[0045] This embodiment discloses the synthesis method of organosilicon / phenoxyphosphazene of the present invention, specifically:

[0046] ①. Use 50g of hexachlorocyclotriphosphazene to open the ring at 250°C to prepare linear chlorine-containing polyphosphazene. After the reaction is complete, stop heating and set aside;

[0047] ②.Using xylene as a solvent, put 200g of 5% NaOH aqueous solution into 100g of xylene containing 10g of bisphenol A at high temperature (160°C) and immediately separate the water, when bisphenol A disodium salt is formed and precipitated Then dissolve it with isopropanol, and finally evaporate all the solvent to obtain dry bisphenol A disodium salt, and finally dissolve the prepared bisphenol A disodium salt in xylene to prepare 20% bisphenol A disodium salt salt-xylene solution;

[0048] ③. The linear chlorine-containing polyphosphazene prepared in step ①, 15g diethyldichlorosilane, 100g 20% ​​bisphenol A phenol disodium-xylene solution were reacte...

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Abstract

The invention belongs to the technical field of high polymer materials, and discloses an organosilicon / phenoxy phosphazene high polymer copolymer, and a preparation method and an application thereof.The preparation method comprises the following steps: carrying out nucleophilic substitution reaction on linear chlorine-containing polyphosphazene, a chlorine-containing organosilicon oligomer and bisphenol A disodium salt to prepare the organosilicon / phenoxy phosphazene high-molecular copolymer. The invention also discloses an application of the organosilicon / phenoxy phosphazene high-molecular copolymer in preparation of modified plastics. The organosilicon / phenoxy phosphazene high-molecular copolymer prepared in the invention has the advantages of high thermal stability, good compatibilitywith plastics and high flame retardation efficiency. When the organosilicon / phenoxy phosphazene high-molecular copolymer is applied to the field of modified plastics, the relative dosage of the flameretardant can be reduced and the cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to an organosilicon / phenoxyphosphazene polymer copolymer, a preparation method and application thereof. Background technique [0002] Phosphazene polymers are a new type of inorganic-organic high polymers in which P and N are alternately arranged, and single and double bonds alternately appear as the main chain structure. Polyphosphazene polymer material has unusual flexibility, high temperature resistance, flame retardancy, high oxygen index, low smoke release, resistance to strong acid, strong alkali and other corrosive chemicals. This type of polymer can be widely used in: biomedical materials, photochemical materials, anti-corrosion materials, organometallic chemical materials, various separation membranes, liquid crystal materials, nonlinear optical materials, photochromic materials, catalysts, conductive materials, hybrid Materials, silicone-containing m...

Claims

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Application Information

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IPC IPC(8): C08G79/025C08L67/02C08L85/02
CPCC08G79/025C08L67/02C08L2201/02C08L85/02Y02E60/10
Inventor 黄金杨克斌赵银巧候俊
Owner SICHUAN COREMER CO LTD