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Waterproof mildewproof starch glue and preparation method thereof

A technology of starch glue and starch, which is applied in the direction of adhesives, non-polymer adhesive additives, adhesive additives, etc., can solve the problems of poor waterproof performance of starch glue, affect use, and easy to mildew, etc., to improve anti-mold and antibacterial properties , Good water resistance and mildew resistance, and the effect of improving water resistance

Inactive Publication Date: 2016-12-14
覃树强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing starch glue has poor waterproof performance, is prone to failure when exposed to water, affects use, and is prone to mildew after a period of use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Example 1, a water-resistant and mildew-proof starch glue, made of the following raw materials in parts by weight (kg): starch 80, urea-formaldehyde resin 8, borax 2, propylene glycol alginate 3, hydroxyaluminum distearate 1, sodium hypochlorite 2, Diisopropyl phthalate 3, potassium persulfate 5, 5-chloro-2-methyl-4-isothiazolin-3-one 2, hydroxyethyl methylcellulose 3, kaolin 1, acrylic acid core polymer Sugar 2, Lithium Bentonite 2, Sodium Hydroxide 3, Methyl Acrylate 4, Sodium Cocoyl Methyl Taurate 1, Hexamethylene Diisocyanate 1, Ethyl Hydrogen Silicone Oil 2, Lauroyl Arginine B Ester hydrochloride 1, resorcinol 1.

[0016] A preparation method for water-resistant and mildew-proof starch glue, comprising the following steps:

[0017] (1) Weigh each raw material by weight;

[0018] (2) Add starch to twice the amount of water, add sodium hypochlorite, keep stirring at 70°C for 3 minutes, add diisopropyl phthalate, put it into an oil bath at 100°C, keep stirring for 6...

Embodiment 2

[0022] Example 2, a water-resistant and mildew-proof starch glue, made of the following raw materials in parts by weight (kg): starch 90, urea-formaldehyde resin 10, borax 3, propylene glycol alginate 4, hydroxyaluminum distearate 2, sodium hypochlorite 3, Diisopropyl phthalate 4, potassium persulfate 6, 5-chloro-2-methyl-4-isothiazolin-3-one 3, hydroxyethyl methylcellulose 3, kaolin 2, acrylic acid core poly Sugar 3, Lithium Bentonite 3, Sodium Hydroxide 4, Methyl Acrylate 5, Sodium Cocoyl Methyl Taurate 2, Hexamethylene Diisocyanate 1, Ethyl Hydrogen Silicone Oil 3, Lauroyl Arginine B Ester hydrochloride 2, resorcinol 2.

[0023] A preparation method for water-resistant and mildew-proof starch glue, comprising the following steps:

[0024] (1) Weigh each raw material by weight;

[0025] (2) Add starch to twice the amount of water, add sodium hypochlorite, keep stirring at 75°C for 4 minutes, add diisopropyl phthalate, put it into an oil bath at 103°C, keep stirring for 8 m...

Embodiment 3

[0029] Example 3, a water-resistant and mildew-proof starch glue, made of the following raw materials in parts by weight (kg): 100 starch, 12 urea-formaldehyde resin, 4 borax, 5 propylene glycol alginate, 3 hydroxyaluminum distearate, 4 sodium hypochlorite, Diisopropyl phthalate 5, potassium persulfate 7, 5-chloro-2-methyl-4-isothiazolin-3-one 4, hydroxyethyl methylcellulose 4, kaolin 3, acrylic acid core poly Sugar 4, Lithium Bentonite 4, Sodium Hydroxide 5, Methyl Acrylate 6, Sodium Cocoyl Methyl Taurate 3, Hexamethylene Diisocyanate 2, Ethyl Hydrogen Silicone Oil 4, Lauroyl Arginine B Ester hydrochloride 3, resorcinol 2.

[0030] A preparation method for water-resistant and mildew-proof starch glue, comprising the following steps:

[0031] (1) Weigh each raw material by weight;

[0032] (2) Add starch to 3 times of water, add sodium hypochlorite, keep stirring at 80°C for 5 minutes, add diisopropyl phthalate, put it into an oil bath at 105°C, keep stirring for 10 minutes,...

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PUM

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Abstract

The invention discloses waterproof mildewproof starch glue and a preparation method thereof. the waterproof mildewproof starch glue is mainly prepared from starch, urea formaldehyde resin, borax, propylene glycol alginate, aluminum hydroxyl distearate, sodium hypochloride, diisopropyl phthalate, potassium persulfate, 5-chloro-2-methyl-4-isothiazoline-3-ketone, hydroxyethylmethylcellulose, kaolin, acrylic nuclear glycan, lithium-based bentonite, sodium hydroxide, methyl acrylate, sodium methyl cocoyl taurate and hexamethylene diisocyanate. Through mutual cooperation of the urea formaldehyde resin, ethyl hydrogen-containing silicon oil, aluminum hydroxyl distearate and resorcinol, waterproofness of the starch glue is improved; ethyl lauroyl arginate hydrochloride and 5-chloro-2-methyl-4-isothiazoline-3-ketone have mildewproof and antibacterial effect, thereby being conducive to improving mildewproof and antibacterial performance of the starch glue; ingredients like propylene glycol alginate and acrylic nuclear glycan are conducive to improving stability of the starch glue and prolonging service life of the same.

Description

technical field [0001] The invention relates to the technical field of bonding materials, in particular to a water-resistant and mildew-proof starch glue and a preparation method thereof. Background technique [0002] Agricultural products such as rice, wheat, corn, and potatoes contain a large amount of starch, which can be processed into various forms such as soluble starch, dextrin, and hydroxyethyl ether starch through physical and chemical methods. Therefore, according to different application requirements, with different starches as base materials and corresponding additives, starch glues with different viscosity, solid content, color and mechanical properties can be made. Industrial starch glue usually uses corn as raw material, disperses corn starch in water, then heats or adds a small amount of caustic soda to gelatinize the starch, and then dilutes with water to make ordinary corn starch glue. In the actual preparation of starch glue, 0.2% to 2% of the starch mass...

Claims

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Application Information

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IPC IPC(8): C09J4/02C09J4/06C09J11/04C09J11/06C09J11/08
CPCC09J4/06C09J11/04C09J11/06C09J11/08
Inventor 覃树强
Owner 覃树强
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