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Marine polysaccharide water-based resin and preparation method thereof

A water-based resin and polysaccharide technology, applied in coating and other directions, can solve the problems of complex production process and insufficient functional utilization of raw materials, and achieve the effects of improving the degree of cross-linking, being easily soluble in water, and having a simple toning process.

Inactive Publication Date: 2020-05-01
ZHEJIANG CASNOVO MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this application, benzoyl peroxide needs to be added as an initiator to complete the monomer polymerization, and dimethylethanolamine is only used as a neutralizer at the end of the reaction, the production process is more complicated, and the functional utilization of raw materials is not enough

Method used

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  • Marine polysaccharide water-based resin and preparation method thereof
  • Marine polysaccharide water-based resin and preparation method thereof

Examples

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Effect test

Embodiment 1

[0032] A marine polysaccharide water-based resin, comprising the following components by weight percentage: raw material a6.5% (triethylamine); raw material b7.8% (choose methyl methacrylate as raw material b in this embodiment, certainly also Ethyl methacrylate, isopropyl methacrylate, isobutyl methacrylate, tert-butyl methacrylate, isooctyl methacrylate, n-octyl methacrylate, cyclohexyl methacrylate, Isobornyl methacrylate, etc. have the same effect); raw material c2.3% (in this embodiment, monoethanolamine is selected as raw material c, and of course alcoholamines such as diethanolamine and triethanolamine with similar properties can also be used); Raw material d35.6% (select chitosan in the present embodiment); Raw material e20.2% (propylene glycol methyl ether acetate); Raw material f6.7% (acrylic acid); All the other are deionized water.

[0033] The preparation method of the above-mentioned marine polysaccharide water-based resin is as follows: add raw material a and raw ...

Embodiment 2

[0036] A marine polysaccharide water-based resin, comprising the following components by weight percentage: raw material a11.2% (triethanolamine); raw material b4.5% (choose ethyl acrylate in the present embodiment, as raw material b, certainly also can be selected for use Methyl acrylate, n-butyl acrylate, hydroxypropyl acrylate, isooctyl acrylate, etc.); raw material c5.1% (acetamide is selected for use in this embodiment, and dimethylformamide, isobutyramide, etc. can also be used certainly); Raw material d27.9% (select gelatin in the present embodiment); Raw material e15.6% (for ethylene glycol monobutyl ether, certainly also can adopt other ethers raw materials as auxiliary solvent); Raw material f7.4% (methacrylic acid ); the rest is deionized water.

[0037] The preparation method of the above-mentioned marine polysaccharide water-based resin is as follows: add raw material a and raw material b into a four-neck flask, raise the temperature to 43°C, stir for 3 hours, the...

Embodiment 3

[0040] A marine polysaccharide water-based resin, comprising the following components by weight percentage: raw material a7.5% (hexamethyleneimine); raw material b6.6% (the present embodiment selects ethylene carbonate, certainly also can select carbonic acid propylene ester); raw material c2.2% (select aniline in the present embodiment, certainly also can adopt o-phenylenediamine, 2,4-dimethylaniline, N, N-diethylaniline, p-fluoroaniline etc.); Raw material d33.6% (sodium alginate is selected in this embodiment); raw material e16.6% (vinyl ethyl ether); raw material f9.7% (acrylic acid); the rest is deionized water.

[0041] The preparation method of the above-mentioned marine polysaccharide water-based resin is as follows: add raw material a and raw material b into a four-neck flask, heat up to 56°C, stir for 4 hours, then heat up to 88°C, add raw material c and raw material d, stir for 5 hours, then add raw material e , raw material f, deionized water, continue to keep warm...

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Abstract

The invention provides a marine polysaccharide water-based resin. The marine polysaccharide water-based resin is characterized by comprising raw materials a, b, c, d, e and f, wherein the raw materiala is at least one of secondary amine and tertiary amine; the raw material b is at least one of unsaturated carboxylic esters; the raw material c is at least one selected from the group consisting ofalcohol amine raw materials, amide raw materials, aromatic amine raw materials, imine raw materials and hydroxylamine raw materials; the raw material d is one of marine polysaccharides with differentmolecular weights; the raw material e is an organic solvent; and the raw material f is at least one of acrylic monomers. The invention also discloses a preparation method of the marine polysaccharidewater-based resin. The marine polysaccharide water-based resin is easy to dissolve in water, does not turn yellow, is simple in color mixing process and has excellent dispersing performance on powderparticles.

Description

technical field [0001] The invention relates to a water-based resin, which is applied in the technical field of coatings, and also relates to a preparation method of the resin. Background technique [0002] With the development of industry and the progress of society, people's awareness of environmental protection has increased, and there is an urgent need for pollution-free coatings and coating technologies in the market. Environmentally-friendly coatings such as water-based coatings, powder coatings and high-solid coatings have long been developed abroad. trend. Internationally, water-based coatings are the new type of coatings with the highest production and demand at present, because they meet environmental protection requirements, have low volatile organic compounds (volatile organic compounds, referred to as VOC), low toxicity, and no fire hazard. Easy to apply, safe and hygienic. According to reports, 85% of the paint companies in the world are engaged in the resear...

Claims

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Application Information

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IPC IPC(8): C08F251/00C08F289/00C08F220/14C08F220/06C08F222/06C08F220/18C08F220/20C08F226/06C08F2/10C09D151/02C09D151/00
CPCC08F251/00C08F289/00C08F2/10C09D151/02C09D151/00C08F220/14C08F220/06C08F222/06C08F226/06C08F220/20
Inventor 顾卓韦徐军余方苗周昶吉张莉莉
Owner ZHEJIANG CASNOVO MATERIALS
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