Crosslinking agent, preparation method and application thereof, and CO2-responding polymer

A technology of cross-linking agent and polymer, applied in the field of polymer chemistry

Inactive Publication Date: 2016-05-18
襄阳新叶生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is no prior art on CO 2 Reports on stimuli-responsive crosslinkable polymer monomers (crosslinkers) and polymer formation via crosslinkers

Method used

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  • Crosslinking agent, preparation method and application thereof, and CO2-responding polymer
  • Crosslinking agent, preparation method and application thereof, and CO2-responding polymer
  • Crosslinking agent, preparation method and application thereof, and CO2-responding polymer

Examples

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preparation example Construction

[0041] figure 2 A preferred embodiment of the preparation method of the present invention is shown. from figure 2 As can be seen, the preparation method mainly includes four steps:

[0042]First, dissolve the alkali in deionized water at 0°C to obtain an alkali solution; then add diethylamine to the alkali solution, and after 5 to 20 minutes, add 1,4-dibromo-2,3-butyl Diol is added into the alkali solution and mixed to obtain the first reaction liquid. For the mixing mentioned in the preparation method, conventional mixing methods, such as stirring, can be used to uniformly dissolve 1,4-dibromo-2,3-butanediol. The present invention has no special limitation on the source of 1,4-dibromo-2,3-butanediol and diethylamine, and adopts 1,4-dibromo-2,3-butanediol and Diethylamine is sufficient, and if it can be commercially available, it can also be prepared by itself using the technical scheme for preparing 1,4-dibromo-2,3-butanediol and diethylamine well known to those skilled...

Embodiment 1

[0060] Embodiment 1 of the present invention provides a crosslinking agent, which is prepared according to the following steps:

[0061] (1) Dissolve KOH (8.75g, 0.151mol) into water (35mL) in deionized water at 0°C to obtain an alkaline solution; then diethylamine (25mL, 0.242mol) was added to the alkaline solution, After 5 to 20 minutes, add 1,4-dibromo-2,3-butanediol (15.1 g, 0.0605 mmol) into the alkali solution and mix to obtain the first reaction solution;

[0062] (2) Put the first reaction solution at 50°C and react for 7 to 12 hours to obtain a reaction solution containing 1,4-diethylamino-2,3-butanediol;

[0063] (3) Concentrate the reaction solution containing 1,4-diethylamino-2,3-butanediol under reduced pressure, dissolve the resulting solid residue in dimethyl carbonate (50ml), filter, and collect the filtrate, The filtrate was then concentrated under reduced pressure to obtain purified 1,4-diethylamino-2,3-butanediol (7.62g, 54%);

[0064] (4) Dissolve triethy...

Embodiment 2

[0072] Embodiment 2 of the present invention provides a crosslinking agent, which is prepared according to the following steps:

[0073] (1) Dissolve KOH (5.25g, 0.0906mol) into water (35mL) in deionized water at 0°C to obtain an alkaline solution; then add diethylamine (12.5mL, 0.121mol) to the alkaline solution , after 5 to 20 minutes, add 1,4-dibromo-2,3-butanediol (15.1 g, 0.0605 mmol) into the alkali solution and mix to obtain the first reaction solution;

[0074] (2) Put the first reaction solution at 45°C and react for 7 to 12 hours to obtain a reaction solution containing 1,4-diethylamino-2,3-butanediol;

[0075] (3) Concentrate the reaction solution containing 1,4-diethylamino-2,3-butanediol under reduced pressure, dissolve the resulting solid residue in dimethyl carbonate (50ml), filter, and collect the filtrate, Then the filtrate was concentrated under reduced pressure to obtain purified 1,4-diethylamino-2,3-butanediol (6.72 g);

[0076] (4) Dissolve triethylamine...

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Abstract

The invention relates to the field of high-molecular chemistry and especially relates to a crosslinking agent, a preparation method and an application thereof, and a CO2-responding polymer formed by the crosslinking agent. The crosslinking agent is a compound represented as the structure formula (I) and has the two functional groups including a methacryloyl group and a diethylamine group at the same time, so that on one hand, the methacryloyl group, as a crosslinking chemical group which acts on a hydroxyl group in polyvinyl alcohol, can form a polymer with the polyvinyl alcohol as a frame in a crosslinking manner, and on the other end, the diethylamine group acts on CO2 to form a polymer which serves as the CO2-responding polymer.

Description

technical field [0001] The invention relates to the field of polymer chemistry, in particular to a crosslinking agent, a preparation method and application of the crosslinking agent, and a carbon dioxide responsive polymer formed from the crosslinking agent. Background technique [0002] In recent years, smart materials that can sense changes in the external environment (pH value, temperature, ionic strength, light, solvent, etc.) and change their own performance parameters in real time have attracted increasing attention. With the continuous development of research on smart materials, stimuli-responsive polymers have attracted more and more interest from researchers, and have become an important research object in this frontier topic. Stimulus responsiveness refers to the large change in the macroscopic properties (such as volume and permeability) of the system caused by changes in the physical conditions (such as temperature and electromagnetic field) or chemical condition...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F261/04C08F222/22C07C219/08C07C213/06
Inventor 王洪波袁迎雪
Owner 襄阳新叶生物科技有限公司
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