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Nano-material modified silicone acrylic emulsion and application thereof

A technology of nano-materials and modified silicon, which is applied in the direction of adhesive types, adhesive additives, non-polymer adhesive additives, etc., can solve the problems of insufficient overall strength, poor wettability and permeability, and poor mildew resistance, etc., to achieve Good reinforcement effect and improved wettability and permeability

Inactive Publication Date: 2019-08-16
DUNHUANG ACAD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The part of the Buddha statue here is made of mud base (clay is used for modeling on the basis of the stone base), most of which are stone base, and the mud part of the Buddha statue is weathered because the surface is exposed to more wind, sun and incense. , Pulverization is very serious, and the overall strength is insufficient
In the early stage, the special sandstone reinforcement material (ZB-WB-S) developed and produced by the applicant was used for the reinforcement test of the stone base material, and satisfactory results were obtained, while a variety of domestic and foreign reinforcement materials were used for the reinforcement test of the mud base material. The effects are not ideal. Compared with silicone acrylic emulsion (patent application number 201010122113.0, authorization announcement number CN102190993B) has a better effect, but there are still some problems, such as poor wetting and permeability, slow drying speed, water resistance Poor, mildew resistance, etc., so it is necessary to re-study and select more suitable reinforcement materials or modify existing materials in order to meet the requirements of on-site use

Method used

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  • Nano-material modified silicone acrylic emulsion and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 A nanomaterial-modified silicon-acrylic emulsion, which is made of the following raw materials in the weight ratio (g / g): 65% of silicone-modified acrylic emulsion, 1% of pH regulator, 30% of nanomaterials, Dry film antifungal agent 2%, hydrophobic agent 2%.

[0020] Wherein: nano material refers to nano silicon dioxide. The pH adjuster refers to ammonia water.

[0021] The preparation method of the nano-material modified silicon acrylic emulsion refers to: firstly weigh according to the proportion, then add the silicone modified acrylic emulsion into the reaction kettle to start stirring, add a pH regulator to adjust the pH value to 8~9; then add nano For materials, heat up to 84±2°C for 1 hour, cool down to below 40°C; finally add dry film antifungal agent, hydrophobic agent, and deionized water, stir for 20-30 minutes, filter and pack.

[0022] The application of this nano-material modified silicone acrylic emulsion comprises the following steps:

[0023...

Embodiment 2

[0027] Example 2 A nanomaterial-modified silicon-acrylic emulsion, which is made of the following raw materials in the weight ratio (g / g): 75% of silicone-modified acrylic emulsion, 2% of pH regulator, 10% of nanomaterials, Dry film antifungal agent 1.5%, hydrophobic agent 1.5%, deionized water 10%.

[0028] Wherein: nano material refers to nano titanium dioxide. The pH adjuster refers to an alkylamine.

[0029] The preparation method of the nano-material modified silicon-acrylic emulsion is the same as that in Example 1.

[0030] The application of this nano-material modified silicone acrylic emulsion comprises the following steps:

[0031] ⑴Diluent ratio: absolute ethanol and water are calculated and mixed according to the volume ratio of 4:1 (mL / mL), and the diluent is obtained;

[0032] (2) Calculate the total amount of diluent to be added according to the concentration of solid content of 1~10%;

[0033] (3) Calculate the required amount of water and ethanol respectiv...

Embodiment 3

[0035] Example 3 A nanomaterial-modified silicon-acrylic emulsion, which is made of the following raw materials in the weight ratio (g / g): 70% of silicone-modified acrylic emulsion, 3% of pH regulator, 18.6% of nanomaterials, Dry film antifungal agent 1.8%, hydrophobic agent 1.6%, deionized water 5%.

[0036] Wherein: nano material refers to nano silicon dioxide. The pH adjuster refers to ammonia water.

[0037] The preparation method of the nano-material modified silicon-acrylic emulsion is the same as that in Example 1.

[0038] The application of this nano-material modified silicone acrylic emulsion comprises the following steps:

[0039] ⑴Diluent ratio: absolute ethanol and water are calculated and mixed according to the volume ratio of 2.5:1 (mL / mL), and the diluent is obtained;

[0040] (2) Calculate the total amount of diluent to be added according to the concentration of solid content of 1~10%;

[0041] (3) Calculate the required amount of water and ethanol respect...

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Abstract

The invention relates to a nano-material modified silicone acrylic emulsion. The nano-material modified silicone acrylic emulsion is prepared from the following raw materials in percentage by weight:65-75% of an organic silicon modified acrylic emulsion, 1-3% of a pH regulator, 10-30% of a nano-material, 1.5-2% of a dry film mildew inhibitor, 1.5-2% of a hydrophobic agent and 0-10% of deionized water. By using the nano material, the dry film mildew inhibitor and the hydrophobic agent and adjusting the dilution process, the product not only satisfies the field use requirements, but also improves the properties of wetting permeability, drying speed, water resistance, mildew resistance and the like on the muddy base material. The silicone acrylic emulsion has a good reinforcing effect and can be used for reinforcing and repairing muddy cultural relics.

Description

technical field [0001] The invention relates to the field of reinforcement and restoration of clay cultural relics, in particular to a nanomaterial-modified silicon-acrylic emulsion and an application thereof. Background technique [0002] The reinforcement of the remaining Buddha statues in Xiaofowan, Dazu, Chongqing is one of the key tasks. The part of the Buddha statue here is made of mud base (clay is used for modeling on the basis of the stone base), most of which are stone base, and the mud part of the Buddha statue is weathered because the surface is exposed to more wind, sun and incense. , Pulverization is very serious, and the overall strength is insufficient. In the early stage, the special sandstone reinforcement material (ZB-WB-S) developed and produced by the applicant was used for the reinforcement test of the stone base material, and satisfactory results were obtained, while a variety of domestic and foreign reinforcement materials were used for the reinforce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J133/04C09J11/04
CPCC08K2003/2241C08K2201/011C09J11/04C09J143/04C08K3/36C08K3/22
Inventor 苏伯民蒋德强张化冰樊再轩马想生严进荣
Owner DUNHUANG ACAD
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