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Bonded polyarylene sulfide metal composite material with nuclear radiation protection function and its preparation

A metal composite material, polyarylene sulfide technology, used in nuclear engineering, shielding, reactors and other directions, can solve the problem of less application

Active Publication Date: 2020-07-31
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the inertness of PPS limits its further formation of stable high-performance composite materials, and does not give full play to the inherent potential of special engineering plastic molecules that can be endowed with new functions, such as relatively few applications in the fields of nuclear protection and high-energy ray shielding.

Method used

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  • Bonded polyarylene sulfide metal composite material with nuclear radiation protection function and its preparation
  • Bonded polyarylene sulfide metal composite material with nuclear radiation protection function and its preparation
  • Bonded polyarylene sulfide metal composite material with nuclear radiation protection function and its preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0089] 1. Preparation of linear polyarylene sulfide with active reactive side groups (polyarylene sulfide with active side groups):

[0090] Add 50000ml NMP, 42gNaOH, 1300g sodium sulfide, 100g trisodium EDTA, 95.5g 2,5-dichlorobenzoic acid into a 10L reactor Heated to 200°C under the protection of nitrogen, distilled 1580ml of water, added 1396.6g of p-dichlorobenzene, reacted at 220°C for 3 hours, the first stage reaction was completed; heated to 260°C for 3 hours, cooled to 150°C and slowly added deionized Water, filtered, washed, dried at 110°C for 24 hours to obtain 1020g of white product, yield: 94%, glass transition temperature of 90°C, melting point Tm=290°C, intrinsic viscosity: 0.336, melt index: 135g / 10 min (Molecular weight about 60,000).

[0091] 2. Preparation of bonded active side-group polyarylene sulfide transition metal functional composites (bonded polyarylene sulfide metal composites with nuclear radiation protection function) with high-energy ray absorpt...

Embodiment 2

[0094] 1. Preparation of linear polyarylene sulfide (abbreviation: polyarylene sulfide with active side group) with active reactive side groups:

[0095] Add 5000ml NMP, 42gNaOH, 1300g sodium sulfide (5mol), 110g sodium ethylenediamine tetramethylene phosphate (EDTMPS), 103.5g3,6-dichlorosalicylic acid in a 10L reactor Heated to 200°C under the protection of nitrogen, distilled 1580ml of water, added 396.6g of p-dichlorobenzene, reacted at 220°C for 3 hours, the first stage reaction was completed; raised the temperature to 260°C for 3 hours, cooled to 150°C and slowly added deionized Water, filter, wash, dry at 110 DEG C for 24 hours, obtain white product 1040g, productive rate is about: 94%, glass transition temperature is 95 DEG C, fusing point Tm=293 DEG C, intrinsic viscosity number: 0.38, melting index: 120g / 10min (molecular weight about 65,000).

[0096] 2. Preparation of bonded active side-group polyarylene sulfide transition metal functional composites with various ...

Embodiment 3

[0099] 1. Preparation of linear polyarylene sulfide (abbreviation: polyarylene sulfide with active side group) with active reactive side groups:

[0100] Add 2500ml NMP, 42gNaOH, 1300g sodium sulfide, 100g tetrasodium EDTA, 191g2,5-dichlorobenzoic acid in a 10L reactor Heat to 200°C under the protection of nitrogen, distill 1590ml of water, add 1323g of p-dichlorobenzene, react at 220°C for 3 hours, the first stage reaction is completed; heat up to 260°C for 3 hours, cool to 150°C and slowly add deionized water , filtered, washed, and dried at 110°C for 24 hours to obtain 1010g of a white product, with a yield of about 93%, glass transition temperature of 97°C, melting point Tm=295°C, intrinsic viscosity: 0.325, melt index: 200 / 10min (Molecular weight about 50,000).

[0101] 2. Preparation of bonded active side-group polyarylene sulfide transition metal functional composites with various high-energy ray absorption and shielding properties:

[0102] Put 200g containing 10% p...

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Abstract

The invention relates to a bonded polyarylene sulfide metal composite material with nuclear radiation protection function and a preparation method thereof, belonging to the field of functional composite materials. The invention provides a bonded polyarylene sulfide metal composite material with nuclear radiation protection function. The structural formula of the composite material is shown in the following formula. In formula I, the molar ratio of m1 to m2 is 99-50:1- 50; M is a metal element with at least one function of neutron absorption, X-ray shielding or gamma ray absorption, n is the number of metal elements, n>1; → means: metal element M and Ar 2 The active groups in are linked by chemical bonds. The obtained bonded polyarylene sulfide metal composite material with nuclear radiation protection function has multiple functions such as corrosion resistance, high temperature and nuclear protection, and has the ability to absorb various high-energy rays such as neutrons, gamma rays, and X-rays.

Description

technical field [0001] The invention relates to a bonded polyarylene sulfide metal composite material with nuclear radiation protection function and a preparation method thereof, belonging to the field of functional composite materials. Background technique [0002] Special Engineering Plastics Due to its excellent corrosion resistance, high temperature resistance, good rigidity, high strength, and small specific gravity, it can be used to replace metal materials and modified by various modification means such as blending, filling, and polymer alloy formation. Materials are used to make structural components required for military equipment, such as: engine radiators, car body doors, electric pumps, etc., turret bases for cross-sea tanks, corrosion-resistant rotating gears, sealing rings, piston rings, sealing gaskets, electric pumps, etc. Spray engine rotor impeller, etc., can effectively reduce the weight of the tank, improve its mobility, reliability, damage safety and r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L81/02C08K3/08C08G75/0254C08G75/0295G21F1/10
CPCC08G75/0254C08G75/0295C08K3/08C08K2003/085C08K2003/0887G21F1/106C08L81/02
Inventor 严永刚焦雪菲任浩浩李鹏程严大卫张刚杨杰
Owner SICHUAN UNIV