Glass bead thermal mortar with high pressure resistance and production method thereof

A technology of vitrified microbeads and compressive strength, which is applied in the field of thermal insulation mortar, can solve problems such as fireproof performance defects and pollution, and achieve the effects of improving excellent performance, reducing water absorption, high compressive strength and compressive shear bond strength

Inactive Publication Date: 2015-09-16
HEFEI JIKE NEW MATERIALS
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  • Abstract
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Problems solved by technology

[0002] At present, thermal insulation mortar is mainly divided into organic and inorganic types. Although organic thermal insul

Method used

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Experimental program
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Embodiment Construction

[0012] The vitrified microbead thermal insulation mortar with high compressive strength is characterized in that it is made of the following raw materials in parts by weight: ordinary portland cement 160, silicon micropowder 25, vitrified microbead 58, waste rubber particles 4. n-octyltriethoxysilane 1.9, stearamide 0.7, hydroxypropyl methylcellulose 1.2, furan resin 24, molasses 2, vinegar acrylic emulsion 1, triethanolamine borate 1.5.

[0013] The preparation method comprises the following steps:

[0014] (1) Dry and ultra-finely grind waste rubber particles into powder, add triethanolamine borate and n-octyltriethoxysilane to ultrasonically disperse and grind for 1-2 hours, and dry;

[0015] (2) Dry the vitrified microbeads at 105°C for 2 hours and cool to room temperature, put them into a flip-type mixing reactor, raise the temperature to 100-115°C, spray the molten furan resin on the surface of the vitrified microbeads, add the step (1) After the material is turned over...

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Abstract

The invention discloses glass bead thermal mortar with high pressure resistance. A layer of molten furan resin covers the surface of a glass bead, and a macromolecule resin layer with reinforcing and hydrophobic properties is formed, so that surface defects of the glass bead caused by various reasons can be closed, the glass bead can be prevented from adsorbing and absorbing water, and the water absorption rate is reduced; and meanwhile, the glass bead is coated with a layer of modified waste rubber particles and then coated with other active additives, so that breaking rate of the glass bead caused by pressure and collision when the glass bead is doped can be remarkably reduced, the excellent performance of the glass bead can be improved, and the prepared thermal mortar is high in thermal heat insulation efficiency and high in pressure resistance and pressure-shear bond strength.

Description

technical field [0001] The invention relates to the technical field of thermal insulation mortar, in particular to vitrified microbead thermal insulation mortar with high compressive strength and a manufacturing method thereof. Background technique [0002] At present, thermal insulation mortar is mainly divided into organic type and inorganic type. Although organic thermal insulation mortar has excellent thermal insulation performance, its fireproof performance has defects and relatively large pollution. In recent years, serious fires caused by the ignition of organic thermal insulation materials have occurred in my country one after another, causing all sectors of the society to question the safety of the application of organic thermal insulation materials, thus limiting the application of organic thermal insulation materials, and the advantages of inorganic thermal insulation mortar have emerged. [0003] The widely used inorganic thermal insulation mortar is mainly vitri...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B20/12C04B14/24
Inventor 徐明
Owner HEFEI JIKE NEW MATERIALS
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