Water-soluble dopa-based adhesive and preparation method thereof

A dopa adhesive, water-soluble technology, applied in the field of water-soluble dopa adhesive and its preparation, can solve problems such as polluting the environment and endangering workers' health

Inactive Publication Date: 2018-11-23
FUJIAN AGRI & FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, volatile organic compounds such as benzene and toluene are commonly used as solvents for solvent-based adhesives. These solvents will directly volatilize into the atmosphere during use, polluting the environment and endangering the health of workers.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Dissolve 0.1 g of the dopamine monomer N-(3,4-dihydroxyphenethyl)methacrylamide (DAMA, a dopamine derivative containing a carbon-carbon double bond) in 2 mL of DMF, and then add 0.31 g of the anion The monomer 2-acrylamido-2-methylpropanesulfonate is fully dissolved, and 0.004g of initiator azobisisobutyronitrile is added, and then the mixed solution is removed by freezing-vacuumizing-thawing Oxygen in the atmosphere, and nitrogen protection, and finally reacted at 70 ° C for 24 hours, the product was precipitated with n-hexane, and the precipitate was dried to obtain a water-soluble dopa adhesive.

Embodiment 2

[0017] Dissolve 0.1g of dopa monomer N-(3,4-dihydroxyphenethyl)methacrylamide in 2mL of DMF, then add 0.65g of water-soluble sodium allyl sulfonate to fully dissolve it, and Add 0.007g of initiator azobisisobutyronitrile, then remove the oxygen in the solution by freezing-vacuumizing-thawing the mixed solution, and pass through nitrogen protection, and finally react at 65°C for 24h, and the product is washed with n-hexane Precipitate and dry the precipitate to obtain a water-soluble dopa adhesive.

Embodiment 3

[0019] Dissolve 0.1g of dopa monomer N-(3,4-dihydroxyphenethyl)methacrylamide in 5mL of DMF, and then add 1.86g of anionic monomer 4-vinylbenzenesulfonate to fully Dissolve, and add 0.011g of initiator ammonium persulfate, then remove the oxygen in the solution by freezing-vacuumizing-thawing the mixed solution, and pass through nitrogen protection, and finally react at 65°C for 24h, and the product is washed with n-hexane Precipitate and dry the precipitate to obtain a water-soluble dopa adhesive.

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PUM

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Abstract

The invention discloses a water-soluble dopa-based adhesive and a preparation method thereof. Dopamine monomers and water-soluble anionic monomers are subjected to free radical polymerization under the action of an initiator to prepare the water-soluble dopa-based adhesive, so that the adhesive with water as a solvent is prepared. The dopamine monomers and the anionic monomers are subjected to free radical polymerization, according to the adhesion, non-toxicity and biocompatibility of dopa, and the water solubility of the anionic monomers to prepare a non-toxic and harmless water-soluble adhesive with no pollution and the adhesive can be capable of being used in aspects of electronic products and the like.

Description

technical field [0001] The invention relates to an adhesive, in particular to a water-soluble dopa adhesive and a preparation method thereof. Background technique [0002] With the development of industry, the application market of adhesives is becoming more and more extensive, and the varieties are also increasing. Commonly used adhesives mainly include solvent-based, water-based, and hot-melt types. At present, solvent-based adhesives often use volatile organic compounds such as benzene and toluene as solvents. These solvents will directly volatilize into the atmosphere during use, polluting the environment and endangering the health of workers. Water-based adhesives use water as the dispersion medium, are environmentally friendly, non-toxic, and have high solid content. Therefore, the development of water-based adhesives is very important. [0003] Nature is the best learning object for human beings, and various materials with special functions can be prepared through b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/24C09J141/00C09J125/18C08F220/58C08F228/02C08F212/14
CPCC08F212/14C08F220/58C08F228/02C09J125/18C09J133/24C09J141/00C08F220/585
Inventor 吴慧林新兴张敏肖禾刘凯曹石林黄六莲陈礼辉
Owner FUJIAN AGRI & FORESTRY UNIV
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