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Methyl methacrylate and butyl methacrylate bicontinuous emulsion copolymerized porous material and preparation method thereof

A technology of butyl methacrylate and methyl methacrylate, which is applied in the field of material preparation, can solve problems such as difficult control of polymerization temperature and molecular weight, and achieve the effects of easy dissipation of heat energy, lower initiation temperature, and simple preparation method

Inactive Publication Date: 2021-11-19
广西产研院新型功能材料研究所有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, it is necessary to address the problems of high emulsion polymerization temperature of methyl methacrylate and butyl methacrylate, difficulty in controlling the molecular weight, doping or multi-step copolymerization of phenol with other substances, etc. The electrochemical preparation method of the bicontinuous emulsion copolymerization porous material of methyl acrylate and butyl methacrylate, and the Fe introduced by this method 2+ It only exists in the water phase and will not enter the latex beams to affect the reaction and polymer products. The only changes in the whole experiment are the current and the initial feeding amount, but it can bring different molecular weights and produce good technical results.

Method used

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  • Methyl methacrylate and butyl methacrylate bicontinuous emulsion copolymerized porous material and preparation method thereof
  • Methyl methacrylate and butyl methacrylate bicontinuous emulsion copolymerized porous material and preparation method thereof
  • Methyl methacrylate and butyl methacrylate bicontinuous emulsion copolymerized porous material and preparation method thereof

Examples

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Embodiment 1

[0034] A method for preparing a methyl methacrylate and butyl methacrylate double continuous emulsion copolymer porous material, comprising the following steps:

[0035] S1: Assemble the reaction apparatus (see figure 1 ), feed nitrogen to deoxygenate the reaction unit;

[0036] The reaction device includes an iron sheet, a three-necked flask, gas path branches, an external control device, a temperature control device, and a reference electrode;

[0037] The surface of the iron sheet has been cleaned by 1mol / L hydrochloric acid to remove the oxide layer. It is smooth and free of impurities, and is smaller than the diameter of the flask mouth. Two different flask mouths are respectively drawn out through red copper wires as the working electrode and the counter electrode;

[0038] The copper wire is always above the reaction liquid level, and a small part is exposed outside the PTFE rod, and the PTFE is polytetrafluoroethylene;

[0039] The PTFE rod is hollow and contains cop...

Embodiment 2

[0054] A method for preparing a methyl methacrylate and butyl methacrylate double continuous emulsion copolymer porous material, comprising the following steps:

[0055] S1: Assemble the reaction apparatus (see figure 1 ), feed nitrogen to deoxygenate the reaction unit;

[0056] The reaction device includes an iron sheet, a three-necked flask, gas path branches, an external control device, a temperature control device, and a reference electrode;

[0057] The surface of the iron sheet has been cleaned by 1mol / L hydrochloric acid to remove the oxide layer. It is smooth and free of impurities, and is smaller than the diameter of the flask mouth. Two different flask mouths are respectively drawn out through red copper wires as the working electrode and the counter electrode;

[0058] The copper wire is always above the reaction liquid level, and a small part is exposed outside the PTFE rod, and the PTFE is polytetrafluoroethylene;

[0059] The PTFE stick is hollow and contains c...

Embodiment 3

[0074] A method for preparing a methyl methacrylate and butyl methacrylate double continuous emulsion copolymer porous material, comprising the following steps:

[0075] S1: Assemble the reaction apparatus (see figure 1 ), feed nitrogen to deoxygenate the reaction unit;

[0076] The reaction device includes an iron sheet, a three-necked flask, gas path branches, an external control device, a temperature control device, and a reference electrode;

[0077] The surface of the iron sheet has been cleaned by 1mol / L hydrochloric acid to remove the oxide layer. It is smooth and free of impurities, and is smaller than the diameter of the flask mouth. Two different flask mouths are respectively drawn out through red copper wires as the working electrode and the counter electrode;

[0078] The copper wire is always above the reaction liquid level, and a small part is exposed outside the PTFE rod, and the PTFE is polytetrafluoroethylene;

[0079] The PTFE stick is hollow and contains c...

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Abstract

The invention discloses a preparation method of a methyl methacrylate and butyl methacrylate bicontinuous emulsion copolymerized porous material, wherein the preparation method comprises the following steps: (1) assembling a reaction device, and deoxygenating the reaction device; (2) adding sodium persulfate, lauryl sodium sulfate, alkylphenol ethoxylates and water into the reaction device, and mixing and stirring to prepare a mixed solution a; (3) adding MMA and BMA into the mixed solution a, and then mixing and stirring to prepare a mixed solution b; (4) connecting a power supply to carry out electrochemical polymerization on the mixed solution b to prepare a primary product; (5) carrying out standing treatment on the primary product to prepare a standing product; and (6) taking out the standing product, carrying out demulsification treatment, carrying out suction filtration, and drying to obtain the product. Compared with the prior art, the material and the preparation method thereof have the following advantages: (1) the initiation temperature is low, and heat energy is easy to evacuate; (2) preparation is convenient, and time control is accurate; and (3) the controllability of the polymerization degree of the product can be enhanced.

Description

technical field [0001] The invention relates to the field of material preparation, in particular to a bicontinuous emulsion copolymerized porous material of methyl methacrylate and butyl methacrylate and a preparation method thereof. Background technique [0002] Emulsion polymerization generally uses an emulsifier to disperse the monomer in water to form micelles, and the polymerization reaction is initiated by the initiator entering the micelles from water. According to the different ratio of water phase, the emulsion is divided into forward emulsion (oil-in-water), bicontinuous emulsion, inverse emulsion (water-in-oil). The shape of bicontinuous emulsion is similar to that of sponge, and the two phases penetrate each other but are connected. Microemulsion polymerization is the polymerization reaction of single-chain molecules or low-chain molecular polymerization reactions of transparent or translucent, low-viscosity and anisotropic stable systems containing appropriate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/14C08F220/18C08F2/58
CPCC08F220/14C08F220/1804C08F2/58
Inventor 陆泰榕侯欣怡余慧群黄灏彬张鹏鹏农胜英覃善丽潘凯卢珊珊侯向华
Owner 广西产研院新型功能材料研究所有限公司
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