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Crosslinking sodium p-styrenesulfonate-maleic anhydride high polymer and photopolymerization preparation method thereof

A technology of sodium styrene sulfonate and maleic anhydride, which is applied in the field of ultraviolet light polymerization and high polymers, and can solve the problems of slow reaction speed and cumbersome process

Inactive Publication Date: 2009-12-09
BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The traditional preparation of high molecular polymers mainly adopts emulsion polymerization, suspension polymerization, dispersion polymerization, precipitation polymerization and other methods, but there are disadvantages such as cumbersome process and slow reaction speed, and the combination of ultraviolet light polymerization technology and polymer polymerization method method, using the advantages of photopolymerization technology, it is convenient to realize the rapid and complete completion of polymer polymerization in a short period of time.

Method used

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  • Crosslinking sodium p-styrenesulfonate-maleic anhydride high polymer and photopolymerization preparation method thereof
  • Crosslinking sodium p-styrenesulfonate-maleic anhydride high polymer and photopolymerization preparation method thereof
  • Crosslinking sodium p-styrenesulfonate-maleic anhydride high polymer and photopolymerization preparation method thereof

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Effect test

Embodiment 1

[0019] Embodiment 1: Dispersion polymerization method under ultraviolet light polymerization technology

[0020] Add 2.06g of sodium styrene sulfonate and 0.98 g of maleic anhydride monomer to 100 mL of dimethyl sulfoxide reaction solvent, then add 0.3 g of photoinitiator benzoin (BE), 0.46 g of crosslinking agent divinyl Benzene and 0.55g dispersant polyvinylpyrrolidone are dissolved by ultrasonication. After complete dissolution, continue ultrasonication for 5 minutes, and then place the mixed solution in a light intensity of 10mW / cm 2 react under an ultraviolet light source for 10 minutes to obtain a dispersion system of cross-linked polymer microspheres, and then centrifuge to obtain cross-linked polymer solid microspheres.

[0021] The product was analyzed by infrared (infrared spectrum as figure 1 Shown), 1853.7cm -1 , 1779.3cm -1 Left and right are the characteristic peaks of carboxyl groups in maleic anhydride; 3056cm -1 、3087cm -1 The band at is the stretching vi...

Embodiment 2

[0022] Embodiment 2: Dispersion polymerization method under ultraviolet light polymerization technology

[0023] The sodium styrene sulfonate of 20.6g and 9.8g maleic anhydride monomer are joined in the 100mL N-methylpyrrolidone reaction solvent, then add 0.10g photoinitiator α, α'-dimethyl benzyl ketal ( Namely 651), 0.15g cross-linking agent ethylene glycol diacrylate and 10.4g dispersant hydroxymethyl cellulose are ultrasonically dissolved with an ultrasonic instrument, and after being completely dissolved, continue ultrasonication for 20 minutes, then place the mixed solution When the light intensity is 300mW / cm 2 React for 1 minute under an ultraviolet light source to obtain a dispersion system of cross-linked polymer microspheres, and then obtain cross-linked sodium styrene sulfonate-maleic anhydride polymer microspheres through centrifugation.

Embodiment 3

[0024] Embodiment 3: Dispersion polymerization method under ultraviolet light polymerization technique

[0025] Add 10.3g of sodium styrene sulfonate and 4.9g of maleic anhydride monomer to 100mL of N, N dimethylformamide reaction solvent, then add 0.08g of photoinitiator α, α'-diethoxyphenyl ethyl Ketone (DEAP), 0.25g cross-linking agent dipropylene glycol dimethacrylate and 3.45g dispersant hydroxypropyl cellulose were ultrasonically dissolved with an ultrasonic instrument. After being completely dissolved, the ultrasonic wave was continued for 10 minutes, and then the mixed solution Placed at a light intensity of 100mW / cm 2 The reaction was carried out under an ultraviolet light source for 6 minutes to obtain a dispersion system of cross-linked polymer microspheres, and then centrifuged to obtain cross-linked sodium styrene sulfonate-maleic anhydride polymer microspheres.

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Abstract

The invention discloses a crosslinking sodium p-styrenesulfonate-maleic anhydride high polymer and a photopolymerization preparation method thereof; wherein the preparation method belongs to the field of high polymer and relates to the field of ultraviolet light polymerization. The preparation method comprises the following steps: the sodium p-styrenesulfonate and maleic anhydride are taken as monomers, multifunctional olefine organic compound is taken as cross linking agent, ultraviolet light initiating agent is added, and polymerization is carried out under irradiation of the ultraviolet light to obtain crosslinking sodium p-styrenesulfonate-maleic anhydride high polymer solid microballoon particles. The invention realizes the combination of ultraviolet light polymerization technology and macromolecule polymerization method, which makes use of the advantages the of photopolymerization technology to enable the macromolecule polymerization to be completed within a very short time in a rapid and complete manner.

Description

Technical field: [0001] The invention belongs to the field of high polymers and relates to the field of ultraviolet light polymerization. Background technique: [0002] Due to the presence of sulfonic acid groups, sulfonate-containing copolymers can be used as industrial water treatment agents, drilling mud thinners, water quality stabilizers, etc., and are widely used in petroleum, construction, chemical, biological and other fields, so sulfonate-containing The polymer has broad prospects in the future application development. [0003] Anhydride-containing copolymers have been applied in the frontier fields of biology, medicine, and new drug controlled release materials due to their excellent biocompatibility, surface erosion, adjustable degradation rate, and easy processability. The acid anhydride of the polymer increases the polarity and functionality of the polymer, so it has a wide range of applications. It can be used as a corrosion-resistant coating to protect metal ...

Claims

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Application Information

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IPC IPC(8): C08F212/14C08F222/06C08F2/48
Inventor 聂俊梁鹏总何勇
Owner BEIJING UNIV OF CHEM TECH
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