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A preparation method of permanent antistatic ionic liquid polymer masterbatch and its application in polymer materials

A polymer material, ionic liquid technology, applied in the field of antistatic polymer masterbatch, can solve the problems of difficult to achieve permanent antistatic, poor plastic compatibility, etc., to improve the wiping resistance and scratch resistance, reduce Crystallinity, effect of increasing hardness and impact strength

Active Publication Date: 2017-01-18
ZHEJIANG JAVA SPECIALTY CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The invention patent with application number 201310155847.2 "A permanent antistatic transparent polycarbonate composition and its preparation method" (published in October 2013) and the invention patent with application number 201310155867X "A permanent antistatic transparent polycarbonate composition Materials and their preparation methods” (published in October 2013) was the first batch of patents in China that mentioned the blending of ionic liquids and plastics to prepare antistatic materials. "Preparation method of bentonite adsorbent" for the adsorption of hexavalent chromium (published in January 2015), the invention patent of application number 201410852772.8 "a durable and effective antistatic polyolefin composite material and its preparation method" (January 2015 Published in June 2015) and a series of patent applications such as the invention patent with application number 201510101060.7 "An Environmentally Friendly Antistatic Agent for PVC Shoes and Its Preparation Method" (published in June 2015), but most of these patents use ionic liquids and organic materials. Although some patents contain ionic liquids by adding compatibilizers, none of them can fundamentally solve the problems of high polarity, poor compatibility with plastics, and easy precipitation of ionic liquids, so it is difficult to achieve real ionic liquids. permanent antistatic

Method used

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  • A preparation method of permanent antistatic ionic liquid polymer masterbatch and its application in polymer materials

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 165.23g (1.5mol) of styrene monomer, 98.1g (1.0mol) of maleic anhydride, 2,5-dimethyl-2,5-di-tert-butylperoxyhexane ) 0.5g into a four-necked flask, filled with nitrogen, heated up to 85°C, reacted for 3 hours and cooled down to obtain 255g of white solid, took out 100g of white solid, added 52.5g of 1-butyl-3-methylimidazolium hexafluorophosphate , under nitrogen protection, stirred at 250°C for 1 hour to obtain a block copolymer grafted with an ionic liquid. Take 99g of the block copolymer, 0.15g of antioxidant dilauryl thiodipropionate, and 3g of hydroxyl silicone oil. 20g of diatomite with a particle size D (0.9) of 8μm, 3.5g of calcium stearate, and 3.6g of silicone oligomer with a viscosity of 850,000 CP were put into an internal mixer, heated and stirred at 85°C for 30 minutes, and passed through a twin-screw The extruder was extruded and granulated at 95° C. to obtain the permanent antistatic ionic liquid high polymer masterbatch PS-MAH-SA750.

Embodiment 2

[0031]Add 165.23g (1.5mol) of styrene monomer, 98.1g (1.0mol) of maleic anhydride, and 0.5g of dicumyl peroxide into a four-necked flask, fill it with nitrogen, raise the temperature to 85°C, and react for 3 hours After cooling down to obtain 249.6 g of white solid, 120 g of white solid was taken out, 52.5 g of tri-n-butylmethylammonium bistrifluoromethanesulfonimide salt was added, protected by nitrogen gas, and stirred for 5 hours at 65 ° C to obtain ionic liquid grafted Block copolymer, get this block copolymer 120g, antioxidant 2,4,6-tri-tert-butyl pentaerythritol diphosphite 0.20g, hydroxyl silicone oil 3g, particle size D (0.9) is 25g of spherical calcium carbonate of 7 μm , 4.5g of calcium stearate, 4.6g of silicone oligomer with a viscosity of 850,000 CP, put it into an internal mixer, heat and stir at 85°C for 30 minutes, and then extrude and granulate through a twin-screw extruder at 95°C to obtain Permanent antistatic ionic liquid polymer masterbatch PS-MAH-SA250. ...

Embodiment 3

[0033] Add 165.23g (1.5mol) of styrene monomer, 98.1g (1.0mol) of maleic anhydride, and 0.5g of Shuangwuwu into a four-necked flask, fill it with nitrogen, raise the temperature to 85°C, and cool down after 3 hours to obtain 252g of white solid, take out 120g of white solid, add 60g of 1-butyl-2,,3 dimethylimidazolium tetrafluoroborate, protect with nitrogen, stir at 100°C for 4 hours, and obtain the block after grafting of ionic liquid Copolymer, get this block copolymer 120g, antioxidant pentaerythritol bis-diphosphite bis(2,4-di-tert-butylphenyl) 0.15g, hydroxyl silicone oil 3g, particle size D (0.9) is the precipitation method of 6 μm 25g of white carbon black, 4.5g of calcium stearate, 4.6g of silicone oligomer with a viscosity of 850,000 CP, put into the internal mixer, heat and stir at 85°C for 30 minutes, and then extrude through a twin-screw extruder at 95°C Granulate to obtain permanent antistatic ionic liquid polymer masterbatch PS-MAH-SA350.

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Abstract

The invention provides a preparation method for a permanently-antistatic ionic-liquid high polymer master batch. The preparation method comprises the following steps: 1) adding high polymer monomer A, acid anhydride B and initiator C into a reaction vessel, introducing nitrogen for protection and carrying out a reaction at 65 to 250 DEG C for 3 to 8 h so as to obtain a segmented copolymer D; 2) adding 10 to 65 parts by weight of ionic liquid into 100 parts by weight of the segmented copolymer D, introducing nitrogen for protection and carrying out stirring at 65 to 250 DEG C for 1 to 5 h so as to obtain a segmented copolymer E; and 3) adding 70 to 99 parts by weight of the segmented copolymer E grafted by ionic liquid, 0.05 to 0.2 part by weight of anti-oxidant, 1 to 3 parts by weight of hydroxy silicone oil, 0 to 50 parts by weight of a filling material, 3 to 10 parts by weight of heat stabilizer and 3 to 5 parts by weight of silicone oligomer into an internal mixer, carrying out heating and uniform mixing under stirring and then carrying out extrusion and granulation so as to obtain the permanently-antistatic ionic-liquid high polymer master batch. The invention further provides application of the high polymer master batch in high-molecular materials. The permanently-antistatic ionic-liquid high polymer master batch has permanent antistatic performance and good compatibility with high polymer.

Description

technical field [0001] The invention relates to an antistatic high polymer masterbatch, in particular to a preparation method of a permanent antistatic ionic liquid high polymer masterbatch and its application in polymer materials. Background technique [0002] Static charge is generally generated by the contact friction between two materials with different charge dissipation capabilities. The material that loses electrons has a positive charge, and the material that has gained electrons has a negative charge. The electrical properties of materials mainly include the following aspects: dielectric constant (materials with lower dielectric constants are prone to static electricity), resistivity (materials with lower resistivity are easier to dissipate static electricity). [0003] Polymer materials generally have high surface resistivity (10 10 -10 15 Ω) and low dielectric constant, so it is easy to generate static electricity and reach an electric field strength of 15000V / c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08L35/06C08L25/14C08L83/06C08K13/02C08K5/372C08K3/34C08K5/098C08J3/22C08F212/08C08F222/08C08F220/14C08F8/40C08F8/44C08F8/42C08F8/34C08L23/12C08L75/04C08L27/06C08L69/00C08L55/02C08L23/06C08L25/06C08L77/02C08L63/00
Inventor 徐力群周华群
Owner ZHEJIANG JAVA SPECIALTY CHEM CO LTD
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