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Application of Micron Calcium Carbonate in Sealants

A calcium carbonate, micron-scale technology, applied in the field of sealants, can solve the problems of cracking, low temperature, and the surface area and particle diameter of calcium carbonate are not well grasped, so as to improve the elongation at break and the tear resistance. , Improve the effect of anti-breakage

Active Publication Date: 2021-10-15
GUANGDONG XIANGLONG SCIENCE & TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current calcium carbonate is not well grasped due to the surface area and particle diameter, and the control of moisture, temperature, mixing and adhesive during the treatment process is the most stable value, so that when it is sealed and used later, it will crack. Use temperature is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The application of micron grade calcium carbonate in sealant comprises the following materials in parts by weight: 15 parts by weight of calcium oxide, 18 parts by weight of distilled water, 3 parts by weight of modifier, 8 parts by weight of hydroxyl silicone oil, and 30 parts by weight of methyltrimethoxysilane , 2 parts by weight of catalyst;

[0022] The specific preparation and application steps are as follows:

[0023] Step 1: Sieve out impurity-free calcium oxide, take 7 / 9 of distilled water, add calcium oxide to the distilled water at a temperature of 65°C in a warming water bath, and perform 35min mixing and stirring treatment with a high-speed mixer at a speed of 300rpm, get slurry;

[0024] Step 2: Add 2 / 9 distilled water to the slurry obtained in Step 1, and the temperature of the distilled water is 13°C, mix at a speed of 360mL / min, and then spray carbon dioxide at a speed of 750rpm after mixing , to obtain calcium carbonate after carbonization;

[0025]...

Embodiment 2

[0036] The application of micron grade calcium carbonate in sealant comprises the following materials in parts by weight: 18 parts by weight of calcium oxide, 21 parts by weight of distilled water, 4 parts by weight of modifier, 10 parts by weight of hydroxyl silicone oil, and 40 parts by weight of methyltrimethoxysilane , 2.5 parts by weight of catalyst;

[0037] The specific preparation and application steps are as follows:

[0038] Step 1: Sieve out impurity-free calcium oxide, take 7 / 9 of distilled water, add calcium oxide to the distilled water at a temperature of 66°C in a warming water bath, and perform 37min mixing and stirring treatment with a high-speed mixer at a speed of 300rpm. get slurry;

[0039] Step 2: Add 2 / 9 distilled water to the slurry obtained in step 1, and the temperature of the distilled water is 13.5°C, and mix at a speed of 365mL / min, and then spray carbon dioxide at a speed of 770rpm after mixing , to obtain calcium carbonate after carbonization; ...

Embodiment 3

[0051]The application of micron grade calcium carbonate in sealant comprises the following materials by weight: 20 parts by weight of calcium oxide, 25 parts by weight of distilled water, 5 parts by weight of modifier, 13 parts by weight of hydroxyl silicone oil, and 50 parts by weight of methyltrimethoxysilane , 3 parts by weight of catalyst;

[0052] The specific preparation and application steps are as follows:

[0053] Step 1: Sieve out impurity-free calcium oxide, take 7 / 9 of distilled water, add calcium oxide to the distilled water at a temperature of 68°C in a warming water bath, and perform 40min mixing and stirring treatment with a high-speed mixer at a speed of 300rpm, get slurry;

[0054] Step 2: Add 2 / 9 distilled water to the slurry obtained in Step 1, and the temperature of the distilled water is 14°C, and mix at a speed of 370mL / min, and then spray carbon dioxide at a speed of 780rpm after mixing , to obtain calcium carbonate after carbonization;

[0055] Step...

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Abstract

The invention discloses the application of micron-scale calcium carbonate in sealant, which includes sieving impurity-free calcium oxide, taking 7 / 9 of distilled water, adding calcium oxide to distilled water with a temperature of 65-68°C in a warming water bath, and passing through high-speed The mixer is mixed and stirred for 35-40min at a speed of 300rpm to obtain a slurry; add 2 / 9 distilled water to the obtained slurry, and the temperature of the distilled water is 13-14°C, and the temperature is 360-370mL / min Mixing work at a high speed, after mixing, spray carbon dioxide at a speed of 750-780rpm to obtain carbonized calcium carbonate; heat the obtained calcium carbonate to 71-72°C, and add a modifier to The stirring speed of 520-550rpm carries out stirring process; Calcium carbonate is carried out grinding process by three-roll mill. The tensile strength is effectively increased by 1.53MPa. Through the control of its particle size, the elongation at break is greatly increased by 120.7%, and the tear strength is increased by 15kN / m, which effectively improves its use strength and improves its fracture resistance.

Description

technical field [0001] The invention belongs to the technical field of sealants, and in particular relates to the application of micron calcium carbonate in sealants. Background technique [0002] The current calcium carbonate is not well grasped due to the surface area and particle diameter, and the control of moisture, temperature, mixing and adhesive during the treatment process is the most stable value, so that when it is sealed and used later, it will crack. The use temperature is low. Contents of the invention [0003] The object of the present invention is to provide the application of micron grade calcium carbonate in sealant, to solve the problem that raises in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical solutions: the application of micron calcium carbonate in sealant, including the following materials by weight: 15-20 parts by weight of calcium oxide, 18-25 part...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J11/04C09J183/04C09C1/02C09C3/04C09C3/08C09C3/10
CPCC01P2004/64C01P2006/12C01P2006/21C08G77/04C09C1/021C09C3/006C09C3/041C09C3/08C09C3/10C09J4/00C09J11/04C09J183/04
Inventor 李领欢
Owner GUANGDONG XIANGLONG SCIENCE & TECHNOLOGY CO LTD