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Preparation method of anti-aging waterproof glass glue

A glass glue, anti-aging technology, applied in the directions of non-polymer adhesive additives, adhesive types, adhesive additives, etc. Not durable and other problems, to achieve the effect of maintaining processing fluidity and transparency, maintaining high transparency, and maintaining fluidity

Active Publication Date: 2020-10-02
广东天剑新材料科技有限公司
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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 still deficient in waterproof performance. They are easy to turn black and moldy, and the surface of the bonding substrate is not clean, resulting in weak bonding or falling off defects after the glass glue is cured. At the same time, there are cases of not being durable.

Method used

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  • Preparation method of anti-aging waterproof glass glue

Examples

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Comparison scheme
Effect test

preparation example Construction

[0033] The preparation method of anti-aging waterproof glass glue comprises the following steps:

[0034] Step S1, weighing raw materials according to the following parts by weight: 50-60 parts of styrene-acrylic emulsion, 10-15 parts of silicone resin, 30-40 parts of n-hexane, 16-20 parts of fumed silica, 10-14 parts of nano-calcium carbonate 2-3 parts of γ-methacryloxypropyl trimethoxysiloxane, 5-7 parts of modified carboxymethyl chitosan, 0.6-1 part of plasticizer, 0.6-1 part of anti-aging agent ;

[0035] Step S2, adding the styrene-acrylic emulsion and fumed silica into a high-speed disperser according to the parts by weight, and stirring at 800 r / min for 30 minutes under the condition of 25-30°C, so that the fumed silica powder is evenly dispersed in the emulsion;

[0036] Step S3: Add γ-methacryloxypropyltrimethoxysiloxane in parts by weight, raise the temperature of the system to 55-65°C, stir at 800r / min at a high speed for 30-40min at 55-65°C, until A white jelly w...

Embodiment 1

[0056] The preparation method of anti-aging waterproof glass glue comprises the following steps:

[0057] Step S1. Weigh raw materials according to the following parts by weight: 50 parts of styrene-acrylic emulsion, 10 parts of silicone resin, 30 parts of n-hexane, 16 parts of fumed silica, 10 parts of nano-calcium carbonate, γ-methacryloyloxy 2 parts of propyltrimethoxysiloxane, 5 parts of modified carboxymethyl chitosan, 0.6 part of tributyl phosphate, 40100.6 parts of anti-aging agent;

[0058] Step S2, adding the styrene-acrylic emulsion and fumed silica into a high-speed disperser according to parts by weight, and stirring at 800 r / min for 30 minutes at 25°C, so that the fumed silica powder is uniformly dispersed in the emulsion;

[0059] Step S3: Add γ-methacryloxypropyltrimethoxysiloxane in parts by weight, raise the temperature of the system to 55°C, and stir at a high speed of 800r / min for 30min at 55°C until a white jelly is formed. Natural cooling to room temperat...

Embodiment 2

[0065] The preparation method of anti-aging waterproof glass glue comprises the following steps:

[0066] Step S1. Weigh raw materials according to the following parts by weight: 55 parts of styrene-acrylic emulsion, 13 parts of silicone resin, 35 parts of n-hexane, 18 parts of fumed silica, 12 parts of nano-calcium carbonate, γ-methacryloyloxy 2.5 parts of propyltrimethoxysiloxane, 6 parts of modified carboxymethyl chitosan, 0.8 part of dibutyl phthalate, 0.8 part of anti-aging agent IPPD;

[0067] Step S2, adding the styrene-acrylic emulsion and fumed silica into a high-speed disperser according to parts by weight, stirring at 800 r / min for 30 minutes at 28°C, so that the fumed silica powder is uniformly dispersed in the emulsion;

[0068] Step S3: Add γ-methacryloxypropyltrimethoxysiloxane in parts by weight, raise the temperature of the system to 60°C, stir at 800r / min at 60°C for 35min at high speed until a white jelly is formed, Natural cooling to room temperature;

[...

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Abstract

The invention discloses a preparation method of an aging-resistant waterproof glass cement. The preparation method comprises following steps: 1, raw materials are weighed; 2, based on a weight ratio,styrene-acrylic emulsion and fumed silica are introduced into a high speed dispenser; 3, gamma-methacryloxy propyl trimethoxyl siloxane is added at a weight ratio until a white gelatinoid substance isformed; 4, organic silicone resin is added into n-hexane, and stirring is carried out for complete dissolving of organic silicone resin; 5, the diluted organic silicone resin, nanometer calcium carbonate, and modified carboxymethyl chitosan are added; 6, an obtained product is introduced into a vacuum drying oven to remove n-hexane; and 7, at last a plasticizer and an anti-aging agent are added.According to the preparation method, styrene-acrylic emulsion is taken as a base cement of the glass cement, fumed silica, nanometer calcium carbonate, and organic silicone resin are added as reinforcing agents, so that the prepared aging-resistant waterproof glass cement is excellent in comprehensive performance, possesses aging resistance, is high in adhesion force after solidification, and is long in service life; and unstable bonding and shedding are avoided.

Description

technical field [0001] The invention belongs to the technical field of glass glue preparation, and in particular relates to a preparation method of aging-resistant and waterproof 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] 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 c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J125/14C09J11/04C09J11/06C09J11/08C08G77/06C08G77/04C08B37/08
Inventor 不公告发明人
Owner 广东天剑新材料科技有限公司