Bonded polyarylene sulfide metal composite material with nuclear radiation protection function and preparation method thereof
A metal composite material, polyarylene sulfide technology, used in nuclear engineering, shielding, reactors and other directions, can solve the problem of less application
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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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