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Modified polyphenylene ether composition and preparation method thereof

A technology of polyphenylene ether and composition, which is applied in the field of modified polyphenylene ether composition and preparation for pipelines, which can solve the problems of loose combination of steel wire and plastic, reduced safety and reliability, short service life, etc., and achieve the test duration Long, excellent mechanical strength, good dimensional stability

Inactive Publication Date: 2017-06-09
晋城凤凰实业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] Steel mesh skeleton polyethylene pipes can only be used below 3.0MPa. The main problem is that the steel wire and plastic are not tightly combined, easy to corrode, and easy to channel water during medium and high pressure water supply and drainage, which reduces the safety and reliability of use.
[0011] The coating materials on the inner and outer surfaces of plastic-coated steel pipes are mainly polyethylene or epoxy resin materials. The reliability of coating bonding is not high, and the water resistance is very poor. After long-term use, the plastic-coated layer will fall off in a large area. Blocking pipelines or valves, the essential feature of plastic-coated steel pipes is still steel pipes, so the inherent defects of steel pipes used in coal mines still exist
[0012] Ordinary steel pipes are easily corroded when used underground, resulting in a short service life, usually about 3 years, and high maintenance costs; during use, the inner wall is scaled and the diameter of the pipe is gradually reduced, and the transmission efficiency is reduced; the unit weight of the pipe is heavy, and the installation efficiency is high. lower

Method used

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  • Modified polyphenylene ether composition and preparation method thereof
  • Modified polyphenylene ether composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0098]Polyphenylene ether resin (PPO / PPE, number average molecular weight about 21500) 75%, styrene-ethylene / butylene-styrene copolymer (SEBS) 18%, tetrakis[β-(3,5-di-tert-butyl- 4-Hydroxyphenyl) propionate] pentaerythritol ester (antioxidant 10101) 0.2%, tris [2.4-di-tert-butylphenyl] phosphite (antioxidant 168) 0.2%, zinc sulfide (ZnS ) 2.5%, nano-montmorillonite 4.1%, coupling agent 0.4%.

[0099] Among them, the nano-montmorillonite is treated with a coupling agent, and a high-speed stirring device with a strong shear function is used for surface treatment at a temperature of 60-90°C.

[0100] Preparation method: polyphenylene ether resin (PPO / PPE), styrene-ethylene / butylene-styrene copolymer (SEBS), tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl ) propionate] pentaerythritol ester (antioxidant 10101), tris [2.4-di-tert-butylphenyl] phosphite (antioxidant 168), zinc sulfide (ZnS), nano-montmorillonite (after coupling Joint agent treatment, the same below) into the high mi...

Embodiment 2

[0102] Polyphenylene ether resin (PPO / PPE, number average molecular weight about 21500 and number average molecular weight about 16000 compound ratio 5-10:1) 77%, styrene-ethylene / butylene-styrene copolymer (SEBS) 15%, Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester (antioxidant 10101) 0.2%, tris[2.4-di-tert-butylphenyl]phosphorous acid Ester (antioxidant 168) 0.2%, zinc sulfide (ZnS) 3%, nano-montmorillonite 4.6%, coupling agent 0.4%.

[0103] Among them, the nano-montmorillonite is treated with a coupling agent, and a high-speed stirring device with a strong shear function is used for surface treatment at a temperature of 60-90°C.

[0104] Preparation method: polyphenylene ether resin (PPO / PPE), styrene-ethylene / butylene-styrene copolymer (SEBS), tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl ) Propionic acid] pentaerythritol ester (antioxidant 10101), tris [2.4-di-tert-butylphenyl] phosphite (antioxidant 168), zinc sulfide (ZnS), and nano-mont...

Embodiment 3

[0106] Polyphenylene ether resin (PPO / PPE, number average molecular weight about 21500 and number average molecular weight about 17000 compound ratio 2-5:1) 77%, styrene-ethylene / butylene-styrene copolymer (SEBS) 15%, Tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl)propionate]pentaerythritol ester (antioxidant 10101) 0.2%, tris[2.4-di-tert-butylphenyl]phosphorous acid Ester (antioxidant 168) 0.2%, zinc sulfide (ZnS) 3%, nano-montmorillonite 4.6%, coupling agent 0.2%.

[0107] Among them, the nano-montmorillonite is treated with a coupling agent, and a high-speed stirring device with a strong shear function is used for surface treatment at a temperature of 60-90°C.

[0108] Preparation method: polyphenylene ether resin (PPO / PPE), styrene-ethylene / butylene-styrene copolymer (SEBS), tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl ) Propionic acid] pentaerythritol ester (antioxidant 10101), tris [2.4-di-tert-butylphenyl] phosphite (antioxidant 168), zinc sulfide (ZnS), and nano-montm...

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Abstract

The invention relates to a modified polyphenylene ether composition which can be applied to the field of plastic pipelines and comprises the following raw materials: (1) polyphenylene ether resin (PPO / PPE), (2) styrene-ethylene / butene-styrene copolymer (SEBS), (3) organic phosphorus, (4) an additive, and (5) nano-montmorillonite and a coupling agent, wherein a preparation method of the modified polyphenylene ether composition comprises the following steps: sequentially adding the raw materials to a high mixing machine, stirring uniformly at 65-80 DEG C, granulating a mixture of the raw materials by a twin-screw extruder, and setting the temperature in a range of 260-290 DEG C to obtain hot-melt connected modified polyphenylene ether particles for the plastic pipelines. The modified polyphenylene ether composition is used for processing polyphenylene ether pipes and fittings and can meet requirements on mine, municipal and building water supply and drainage.

Description

technical field [0001] The invention relates to the field of plastic pipes, in particular to a modified polyphenylene ether composition for pipes used in the fields of municipal administration, building water supply and drainage or mine water supply and drainage, and a preparation method. Background technique [0002] The materials used in the field of plastic pipes are generally high-density polyethylene (HDPE), cross-linked polyethylene (PEX), polypropylene (PP), polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), acrylonitrile- Butadiene-styrene (ABS), etc., are widely used in municipal water supply and drainage, industrial water supply and drainage, building water supply and other fields. [0003] High-density polyethylene materials are widely used in the field of plastic pipes. It can be used for municipal water supply and drainage. The high-density polyethylene materials used in the field of municipal water supply are generally 23-25 ​​MPa due to their low...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/12C08L53/02C08K13/06C08K5/523C08K3/22C08K5/134C08K5/526C08K3/30C08K3/34
CPCC08L71/12C08K2201/011C08K2201/014C08L2201/02C08L2203/18C08L2205/025C08L2205/03C08L2205/035C08L53/025C08K13/06C08K5/1345C08K5/526C08K2003/3036C08K3/346C08L83/04C08K5/523C08K2003/2296
Inventor 孙勇赵学斌付峻青李永浍李争张广云耿德玉张有平钟正方杨勇都海龙冯宇涛李亚超冯磊马燕飞
Owner 晋城凤凰实业有限责任公司
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