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Preparation method of high-adhesion moisture-proof glass cement

A high-adhesive, glass glue technology, applied in the preparation of animal glue or gelatin, polymer adhesive additives, non-polymer adhesive additives, etc., can solve the problem of moldy blackening and easy moisture absorption of glass glue , falling off and other problems, to achieve the effect of enhancing the anti-oxidation ability, inhibiting bacterial reproduction, and improving the antibacterial ability

Inactive Publication Date: 2019-11-22
韦权
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main technical problem to be solved by the present invention is that the current glass glue is easy to absorb moisture in a humid environment, moldy and black, and if the surface of the bonding substrate is not clean, it will cause the glass glue to be bonded or fall off after curing. defect, a preparation method of high-adhesion moisture-proof glass glue is provided

Method used

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  • Preparation method of high-adhesion moisture-proof glass cement

Examples

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Effect test

Embodiment 1

[0030] Preparation of acidified suspension:

[0031]Take 200g of soybeans and grind them in a soybean grinder, filter to obtain soybean meal, mix distilled water and soybean meal at a mass ratio of 7:2 to obtain a soybean meal suspension, and adjust the concentration of the soybean meal suspension with 10% sodium hydroxide solution. The pH is 8.0, stirred at room temperature for 1.5h, placed in a centrifuge, and centrifuged at 3000r / min for 13min to separate the supernatant, and adjust the pH of the supernatant to 4.5 with 2% hydrochloric acid to obtain an acidified suspension solution, put the acidified suspension in a centrifuge, and centrifuge at 4000r / min for 15min to separate and collect the protein precipitate;

[0032] Preparation of acid heat treated protein powder:

[0033] Mix the above protein precipitate with hydrochloric acid with a mass fraction of 10% at a mass ratio of 1:3 to obtain an acidified protein solution, place the acidified protein solution in a high-...

Embodiment 2

[0041] Preparation of acidified suspension:

[0042] Take 225g of soybeans and grind them in a soybean grinder, filter to obtain soybean meal, mix distilled water and soybean meal at a mass ratio of 7:2 to obtain a soybean meal suspension, and adjust the concentration of the soybean meal suspension with a mass fraction of 10% sodium hydroxide solution. The pH is 8.5, stirred at room temperature for 1.75h, placed in a centrifuge, and centrifuged at 3250r / min for 14min to separate the supernatant, and adjust the pH of the supernatant to 4.75 with 2% hydrochloric acid to obtain an acidified suspension solution, put the acidified suspension in a centrifuge, and centrifuge at a speed of 4500r / min for 16.5min to separate and collect the protein precipitate;

[0043] Preparation of acid heat treated protein powder:

[0044] Mix the above protein precipitate with hydrochloric acid with a mass fraction of 10% at a mass ratio of 1:3 to obtain an acidified protein solution, place the ac...

Embodiment 3

[0052] Preparation of acidified suspension:

[0053] Take 250g of soybeans and grind them in a soybean grinder, filter to obtain soybean meal, mix distilled water and soybean meal at a mass ratio of 7:2 to obtain a soybean meal suspension, and adjust the concentration of the soybean meal suspension with 10% sodium hydroxide solution. The pH is 9.0, stirred at room temperature for 2.0 hours, placed in a centrifuge, and centrifuged at 3500r / min for 15 minutes to separate the supernatant, and adjust the pH of the supernatant to 5.0 with 2% hydrochloric acid to obtain an acidified suspension solution, put the acidified suspension in a centrifuge, and centrifuge at a speed of 5000r / min for 18min to separate and collect the protein precipitate;

[0054] Preparation of acid heat treated protein powder:

[0055] Mix the above protein precipitate with hydrochloric acid with a mass fraction of 10% at a mass ratio of 1:3 to obtain an acidified protein solution, place the acidified prote...

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Abstract

The invention belongs to the technical field of building material preparation, and particularly relates to a preparation method of high-adhesion moisture-proof glass cement. Soybeans are used as a rawmaterial, protein extracted from the soybeans is subjected to acid heat modification, and the moisture resistance of the water-soluble adhesive is improved; citric acid in the glass cement is a stabilizer and inhibits bacterial reproduction; tourmaline powder can also provide negative oxygen ions and improve the antibacterial ability, and the anti-oxidation ability of the glass cement is enhanced. According to the method, castor oil polyurethane and methyl silicone rubber are subjected to network interpenetration; the castor oil polyurethane is used as a continuous phase in the IPN interpenetrating structure; the methyl silicone rubber as dispersion phase, the silicon rubber has an open micropore structure; after vacuum defoaming, the surface tension is very small, an interpenetrating network structure is combined more tightly, and water absorption and falling are not likely to happen after curing; the silicon rubber can form hydrogen bonds with the surfaces of glass, glass and otherbase materials, the bonding force is improved, and therefore the problem that glass cement is not firmly bonded to the surface of the glass due to too much dust is solved, and wide application prospects are achieved.

Description

technical field [0001] The invention belongs to the technical field of building material preparation, and in particular relates to a method for preparing high-adhesion moisture-proof glass glue. Background technique [0002] Glass glue is a commonly used adhesive in household, which is composed of sodium silicate, acetic acid and organic silicone. Sodium silicate is easily soluble in water and has viscosity. It is called sodium silicate in the south and sodium silicate in the north. [0003] The production technology of domestic ordinary compound solvent-based glass glue two-component polyurethane adhesive glass glue has been fully mastered, and some manufacturers have mature technology and stable quality, which can completely replace imported products; special glue for aluminized film, anti-slip agent functional glue and other products Strong pertinence, outstanding performance, should be vigorously promoted; China's climate differences are obvious, and the conditions of l...

Claims

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Application Information

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IPC IPC(8): C09J175/14C09J189/00C09J183/04C09J11/08C09J11/04C08G18/76C08G18/36C08H1/00
CPCC08G18/36C08G18/7614C08H1/00C08K2003/387C08L2205/035C08L2205/04C08L2205/22C09J11/04C09J11/08C09J175/14C08L89/00C08L83/04C08L1/26C08L13/02C08L91/00C08K3/38
Inventor 韦权
Owner 韦权
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