Cement gum, preparation method, and application thereof

A technology of cement and microspheres, which is applied in the direction of adhesives, adhesive additives, non-polymer adhesive additives, etc., can solve the problems of reducing the volume expansion coefficient of cement, high temperature performance does not meet the requirements, and large volume expansion coefficient, etc., to achieve reduction Effect of volume expansion coefficient and internal pressure, low price, and good damping performance

Inactive Publication Date: 2019-04-02
北京市捷瑞特弹性阻尼体技术研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its large volume expansion coefficient, the application of this medium in airtight containers is subject to many restrictions. For example, under the condition of a relatively wide temperature range, due to the large volume expansion coefficient under low temperature and high temperature conditions, the low temperature performance is suitable. The high temperature performance does not meet the requirements, or the high temperature performance is suitable, but the low temperature does not meet the requirements.
[0003] CN107460393A discloses a low thermal expansion coefficient LED lamp base material, including the following components in parts by weight: 30-50 parts of aluminum oxide, 22-32 parts of tungsten-copper alloy, 10-15 parts of magnesium oxide, diatomaceous earth 5-14 parts, 20-26 parts of phenolic resin, 50-60 parts of distilled water; the LED lamp base prepared in this application has a good low thermal expansion coefficient, but it is not mentioned that it can be applied to cement
[0004] CN105524467A discloses a kind of elastic mastic and its preparation method, especially silicone elastic mastic for buffer and its preparation method; the elastic mastic contains phenyl silicone oil and filler, wherein phenyl si

Method used

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  • Cement gum, preparation method, and application thereof
  • Cement gum, preparation method, and application thereof
  • Cement gum, preparation method, and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0052] Example 1

[0053] This embodiment provides a cement, which includes the following components by weight:

[0054]

[0055] The content of phenyl in phenylsiloxane is 10%; the viscosity modifier is methyl silicone oil; the boron-containing glass microspheres are honeycomb-shaped with a particle size of 50μm; the reinforcing agent is a combination of white carbon black and calcium carbonate, The mass ratio of white carbon black and calcium carbonate is 3:1; the crystal form of rare earth tungstate is orthorhombic system; the crystal form of rare earth molybdate is hexagonal crystal system; the mass ratio of rare earth tungstate and rare earth molybdate 1.5:1.

[0056] The preparation method includes: stirring and mixing the above preparation raw materials at 100° C. for 3 hours to obtain the cement.

Example Embodiment

[0057] Example 2

[0058] This embodiment provides a cement, which includes the following components by weight:

[0059]

[0060] Among them, the content of phenyl in phenylsiloxane is 7%; the viscosity modifier is dimethyl silicone oil; the boron-containing glass microspheres are honeycomb-shaped with a particle size of 30μm; the reinforcing agent is a combination of white carbon black and calcium carbonate , The mass ratio of white carbon black and calcium carbonate is 1:1; the crystal form of rare earth tungstate is orthorhombic system; the crystal form of rare earth molybdate is hexagonal crystal system; the quality of rare earth tungstate and rare earth molybdate Ratio 2.4:1.

[0061] The preparation method includes: stirring and mixing the above preparation raw materials at 90° C. for 5 hours to obtain the clay.

Example Embodiment

[0062] Example 3

[0063] This embodiment provides a cement, which includes the following components by weight:

[0064]

[0065]

[0066] Among them, the content of phenyl in phenylsiloxane is 15%; viscosity modifier is dimethyl silicone oil; boron-containing glass microspheres are honeycomb-shaped with a particle size of 60μm; reinforcing agent is a combination of white carbon black and calcium carbonate The mass ratio of white carbon black and calcium carbonate is 5:1; the crystal form of rare earth tungstate is orthorhombic; the crystal form of rare earth molybdate is hexagonal; the quality of rare earth tungstate and rare earth molybdate Ratio 1.2:1.

[0067] The preparation method includes: stirring and mixing the aforementioned preparation raw materials at 120° C. for 1 hour to obtain the cement.

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Abstract

The invention provides cement gum, a preparation method, and an application thereof. The cement gum includes, by weight, 80 to 120 parts of phenylsiloxane, 1 to 10 parts of a reinforcing agent, 10 to20 parts of rare earth tungstate, 5 to 15 parts of rare earth molybdate, 20 to 30 parts of boron-containing glass microspheres, and 1 to 10 parts of a viscosity regulator, wherein boron content of theboron-containing glass microspheres is 60-80%. The cement gum has great damping capacity and is reduced in volume expansion coefficient and internal pressure. The preparation method is simple, employs accessible raw materials, is low in cost, and is suitable for large-scale industrial production.

Description

technical field [0001] The invention belongs to the field of clay, and relates to a clay and its preparation method and application. Background technique [0002] As a high-quality medium for dampers and buffers, elastic cement has good elasticity and damping characteristics. However, due to its large volume expansion coefficient, the application of this medium in airtight containers is subject to many restrictions. For example, under the condition of a relatively wide temperature range, due to the large volume expansion coefficient under low temperature and high temperature conditions, the low temperature performance is suitable. The high temperature performance does not meet the requirements, or the high temperature performance is suitable, but the low temperature does not meet the requirements. [0003] CN107460393A discloses a low thermal expansion coefficient LED lamp base material, which includes the following components in parts by weight: 30-50 parts of aluminum oxi...

Claims

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Application Information

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IPC IPC(8): C09J183/04C09J11/04C09J11/08
CPCC09J183/04C08K2003/265C09J11/04C09J11/08C08L83/04C08K7/28C08K3/24C08K3/36C08K3/26
Inventor 吴懿兵张宝国
Owner 北京市捷瑞特弹性阻尼体技术研究中心
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