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A kind of organosilicon/phenoxyphosphazene polymer copolymer and preparation method and application

A technology of polymer copolymer and phenoxyphosphazene, which is applied in the field of polymer materials, can solve the problems of poor compatibility and low thermal stability, and achieve good compatibility, high thermal stability, and reduced relative dosage. Effect

Active Publication Date: 2022-07-12
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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  • A kind of organosilicon/phenoxyphosphazene polymer copolymer and preparation method and application
  • A kind of organosilicon/phenoxyphosphazene polymer copolymer and preparation method and application
  • A kind of organosilicon/phenoxyphosphazene polymer copolymer and preparation method and application

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Embodiment 1

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

[0034] ①. Using 40g hexachlorocyclotriphosphazene at 250 ℃ to open the ring to prepare linear chlorine-containing polyphosphazene, detect the reaction

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

[0036] ②. At high temperature (160°C), pass 200g of an aqueous solution of NaOH with a concentration of 5wt% into 100g of xylene containing 10g of bisphenol a and immediately separate water. 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, 10 g of methyltrichlorochlorosilane, and 80 g of 10 wt% bisphenol A disodium phenate-xylene solution were reacted at 80° C....

Embodiment 2

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

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

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

[0042] ②. Using xylene as a solvent, at high temperature (160°C), 200g of 5wt% NaOH aqueous solution was passed into 100g of xylene containing 10g of bisphenol a and the water was immediately separated. When the bisphenol a disodium salt was formed and precipitated dissolving with isopropanol, finally distilling off all the solvent to obtain dry bisphenol a disodium salt, and finally dissolving 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, 13 g of ethyl trichlorochlorosilane, ...

Embodiment 3

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

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

[0047] ②. Using xylene as the solvent, at high temperature (160°C), pass 200g of 5% NaOH aqueous solution into 100g of xylene containing 10g of bisphenol a and separate water immediately. When the disodium salt of bisphenol a is formed and precipitated Dissolve with isopropanol, 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, 15 g of diethyldichlorosilane, and 100 g of 20% bisphenol A disodium phenate-xylene...

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Abstract

The invention belongs to the technical field of polymer materials, and discloses an organic silicon / phenoxyphosphazene polymer copolymer and a preparation method and application thereof. The preparation method of the invention comprises the nucleophilic substitution reaction of linear chlorine-containing polyphosphazene, chlorine-containing organosilicon oligomer and bisphenol A disodium salt to prepare organosilicon / phenoxyphosphazene polymer copolymer. The invention also discloses the application of the organosilicon / phenoxyphosphazene polymer copolymer in the preparation of modified plastics. The organosilicon / phenoxyphosphazene polymer copolymer prepared by the invention has high thermal stability, good compatibility with plastics and high flame retardant efficiency. Applying it to the field of modified plastics can reduce the relative amount of flame retardants and reduce costs.

Description

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

Claims

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Application Information

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Patent Type & Authority Patents(China)
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