Modified vitrified micro bubble composition and preparation method thereof

A technology of vitrified microbeads and compositions, applied in solid waste management, climate sustainability, sustainable waste treatment, etc., can solve problems such as high water absorption, poor compatibility between vitrified microbeads and adhesives, and influence on mortar, etc. , to achieve the effect of reducing shrinkage, excellent hydrophilicity, and improving thermal insulation performance

Active Publication Date: 2012-07-25
HUAWEI TEHCHNOLOGIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the great differences in the process and technical equipment of the enterprises producing vitrified microbeads, their products are also very different, especially the surface vitrification rate, spherical rate, water absorption rate, and floating rate. Due to the existence of these differences, the water absorption rate of some vitrified microbead insulation sand will be high, the compatibility of vitrified microbeads and adhesives is poor, and the invasion of fungi will eventually affect the actual performance of mortar insulation and other properties. Effect

Method used

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  • Modified vitrified micro bubble composition and preparation method thereof
  • Modified vitrified micro bubble composition and preparation method thereof
  • Modified vitrified micro bubble composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0019] Embodiment (sample) 1

[0020] Vitrified microbeads (bulk density 53.1Kg / m 3 ) 100 parts, stearic acid 1 part, dimethyl silicone oil 3 parts, silane coupling agent 1 part, oleic acid amide 0.5 parts, zinc sulfide 1 part, silica powder 5 parts

[0021] It is prepared by the following method: in an overturning mixing reaction kettle (LC-1 dry type electric heating mixer, manufactured by Dongguan Licai Hardware Plastic Products Co., Ltd.), add 100 parts of vitrified microbeads, and heat to make the temperature of vitrified microbeads reach At 75°C, heat the stearic acid to a molten state, and then spray it on the vitrified microbeads; after mixing for 15 minutes, spray simethicone; after mixing for 15 minutes, spray the coupling agent; mix for 15 minutes Finally, spray oleic acid amide; after 15 minutes of inversion and mixing, add zinc sulfide and active silica powder, and inversion and mixing for 30 minutes.

[0022] Embodiment (sample) 2

[0023] Vitrified microbeads...

Embodiment 7

[0038] 1. The mechanical test of vitrified microbeads before and after modification was carried out according to the method specified in the national building materials industry standard (JC / T 1042-2007 expanded vitrified microbeads). The results are shown in Table 1.

[0039] Table 1

[0040]

[0041] Continued Table 1

[0042]

[0043]

[0044] 2. Application and test method of vitrified microbeads in thermal insulation mortar (components are parts by weight)

[0045] 1. Thermal insulation mortar formula: 46 parts of ordinary Portland cement, 50 parts of vitrified microbeads (modified), 3 parts of redispersible latex powder, 0.2 parts of cellulose ether (40,000 molecular weight), 0.05 parts of 3mmPP fiber, glucose 0.2 parts of sodium phosphate, 0.15 parts of starch ether, 0.2 parts of melamine superplasticizer, 0.2 parts of lignin, and 10 parts of water.

[0046]2. Test method: "Technical Regulations for Application of Vitrified Bead Thermal Insulation Mortar", DB...

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Abstract

The invention discloses a modified vitrified micro bubble composition and a preparation method thereof. The composition comprises the following components in part by weight: 100 parts of vitrified micro bubbles, 1 to 3 parts of stearic acid, 1 to 3 parts of dimethyl silicon oil, silane coupling agent, 0.5 to 1 part of oleamide, 1 to 3 parts of zinc sulfide and 5 to 10 parts of silicon dioxide micro powder. The surfaces of the vitrified micro bubbles are modified, so the heat insulation performance and the compressive strength and bonding strength of mortar are improved, the contractibility isreduced, and the inorganic vitrified micro bubble heat insulation mortar achieves good effect.

Description

technical field [0001] The invention relates to an inorganic environment-friendly thermal insulation material, in particular to a vitrified microbead. Background technique [0002] Vitrified microbeads are a kind of acidic vitreous lava mineral (turpentine ore). After special technical treatment and production process, they form internally porous, surface vitrified and closed, and are spherical fine-diameter particles. They are high-performance A new type of inorganic lightweight thermal insulation material. Due to the vitrification of its surface to form a certain particle strength, the physical and chemical properties are very stable, the aging resistance and weather resistance are strong, and it has excellent heat insulation, fire prevention, and sound absorption properties. Material. It has been widely used in inorganic thermal insulation mortar in the building material industry. However, due to the great differences in the process and technical equipment of the enter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B14/04C04B20/12
CPCC04B40/0039C04B14/42C04B20/12Y02W30/91C04B20/04C04B20/1025C04B20/1051C04B18/146C04B22/14C04B28/02
Inventor 施晓旦郭和森
Owner HUAWEI TEHCHNOLOGIES CO LTD
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