Preparation method of mould-proof clean type glass cement

A clean, glass glue technology, used in non-polymer adhesive additives, adhesive additives, polymer adhesive additives, etc. Fast, unclean and other problems, to avoid blackening and moldy, high elasticity, and reduce toxicity

Inactive Publication Date: 2018-01-19
高俊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, many glass glues on the market are easy to turn black and moldy, and the surface of the bonding substrate is not clean, which leads to weak bonding or falling off defects after the glass glue is cured. Research and develop high-performance, high-quality glass glue new products to cope with the competition in domestic and foreign markets

Method used

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  • Preparation method of mould-proof clean type glass cement

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0025]Take the washed water chestnut skin and place it in an oven, heat it up to 60°C, and dry it for 3 hours to obtain dried water chestnut skin. Weigh 200g of the dried water chestnut skin and put it into a water bath, add 300mL of water chestnut skin to the water bath with a mass fraction of 65 % ethanol solution, heated up to 50°C, soaked for 30 minutes, and softened water chestnut skin liquid was obtained; the softened water chestnut skin liquid was placed in an ultrasonic oscillator, and after oscillating at a frequency of 25KHz for 10 minutes, ultrasonically treated water chestnut skin was obtained. Put the water chestnut skin into an ethanol solution with a mass fraction of 65%, heat it up to 50°C, soak it for 25 minutes, put it in a Buchner funnel, filter under reduced pressure to obtain the water chestnut skin extract, put the water chestnut skin extract into the vacuum In the drying oven, set the drying temperature to 100°C and dry for 45min to obtain the dry extract...

example 2

[0027] Take the washed water chestnut skin and place it in an oven, heat it up to 65°C, and dry it for 4 hours to obtain dried water chestnut skin. Weigh 210g of dried water chestnut skin and put it into a water bath, add 315mL of water chestnut skin to the water bath with a mass fraction of 65 % ethanol solution, heated up to 52°C, soaked for 35 minutes, to obtain softened water chestnut skin liquid; put the softened water chestnut skin liquid in an ultrasonic oscillator, and vibrated at a frequency of 27KHz for 12 minutes to obtain ultrasonically treated water chestnut skin, and ultrasonically treated Put the water chestnut skin into an ethanol solution with a mass fraction of 65%, heat it up to 52°C, soak it for 27 minutes, put it in a Buchner funnel, filter under reduced pressure to obtain the water chestnut skin extract, put the water chestnut skin extract into the vacuum In the drying oven, set the drying temperature to 105°C, and dry for 50 minutes to obtain the dry extr...

example 3

[0029] Take the washed water chestnut skin and place it in an oven, heat up to 70°C, and dry for 5 hours to obtain dried water chestnut skin. Weigh 220 g of dried water chestnut skin and put it into a water bath, add 330 mL of water chestnut skin to the water bath with a mass fraction of 65 % ethanol solution, heated up to 55°C, soaked for 40 minutes, to obtain softened water chestnut skin liquid; put the softened water chestnut skin liquid in an ultrasonic oscillator, vibrate at a frequency of 30 KHz for 15 minutes, and obtain ultrasonically treated water chestnut skin, and ultrasonically The processed water chestnut skin is put into the ethanol solution with a mass fraction of 65%, and the temperature is raised to

[0030] After soaking at 55°C for 30 minutes, put it in a Buchner funnel, filter under reduced pressure to obtain the water chestnut skin extract, put the water chestnut skin extract into a vacuum drying oven, set the drying temperature to 110°C, and dry for 55 min...

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Abstract

The invention discloses a preparation method of mould-proof clean type glass cement and belongs to the technical field of glass cement preparation. According to the preparation method disclosed by theinvention, hydroxyl of castor oil polyalcohol generates dehydration condensation with the isocyanate group of toluene diisocynate; a small part of unreacted castor oil in prepolymer is adsorbed on the surface of a polyurethane adhesive film and is oxidized by air to form a colorless and flexible film; water chestnut peels are waste in water chestnut processing; by mixing the extract of water chestnut peels in the glass cement, the reproduction and growth of staphylococcus aureus, escherichia coli and various mycete can be inhibited; through network interpenetration between castor oil polyurethane and methyl silicone rubber, an IPN adhesive is prepared so that the surface of a base material is cleaned; the penetrating network structure is combined more tightly, and the glass cement does not drop easily after curing; moreover, a hydrogen bond is formed on the surface of the base material such as silicone rubber and glass, the molecular interaction force is enhanced, the adhesive property is improved, and the problem of infirm bonding or drop after curing of the glass cement due to the unclean surface of the bonding base material is solved.

Description

technical field [0001] The invention discloses a method for preparing mildew-proof and clean glass glue, which belongs to the technical field of glass glue preparation. 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] Glass glue is a material for bonding and sealing various glasses with other substrates. There are two main categories: silicone glue and polyurethane glue. Silicone sealant - is what we usually call glass glue. [0004] Classification by acidity and alkalinity: Silicone glass glue is divided into acidic glue and neutral glue according to acidity and alkalinity. Acid glass glue is mainly used for general bonding between glass and other building materials. The neutral glue overcomes the characteristics of acid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/14C09J11/08C09J11/06C08G18/76C08G18/67
Inventor 高俊何俊欣陈莉莉
Owner 高俊
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