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Special adhesive mortar for A-grade plate and performance detection method thereof

A technology for bonding mortar and detection method, applied in the directions of flow characteristics, measuring devices, instruments, etc., can solve the problems of affecting construction performance, high market price of cellulose ether, unable to solve the phenomenon of mortar sagging, etc. Good thixotropy and sag resistance

Inactive Publication Date: 2020-07-14
SHANDONG HUANENG THERMAL INSULATION MATERIAL CO LTD
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Problems solved by technology

In the raw material components, hydroxymethyl cellulose ether is used to increase the initial viscosity of the mortar, but because cellulose ether has an air-entraining effect that affects the final strength of the mortar, and even affects the construction performance, it cannot solve the phenomenon of mortar sagging. In addition, cellulose ether high market price

Method used

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  • Special adhesive mortar for A-grade plate and performance detection method thereof
  • Special adhesive mortar for A-grade plate and performance detection method thereof
  • Special adhesive mortar for A-grade plate and performance detection method thereof

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Embodiment Construction

[0017] The embodiments of the present invention will be described in detail below, however, the embodiments of the present invention are not limited thereto. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0018] In the embodiment of the present invention: a special adhesive mortar for Class A boards, including 40% Portland cement, 60% quartz sand, and 4% dispersible latex powder, in the 40% Portland cement, 0.4% rheology modifier bentonite is added to 60% quartz sand and 4% dispersible latex powder.

[0019] Among them, the Portland cement is 42.5 grade ordinary Portland cement; the particle size of quartz sand is 40-70 mesh; the dispersible latex powder is FX2350 latex powder of Yilaitai Company; Composition Montmorillonite consists of two layers of silicon-oxygen tetrahedron and a layer of aluminum-oxygen octah...

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Abstract

The present invention discloses a special adhesive mortar for a grade-A plate and a performance detection method thereof. Bentonite is used for replacing cellulose ether, clay with montmorillonite asa main component has a good performance such as a cation exchange performance, expansibility, cohesiveness and thixotropy, and bentonite raw ore is low in cost, so that the special adhesive mortar iswidely applied to various industrial fields; and in the aspect of mortar external additives, the composite material prepared by taking bentonite with ion exchange property, expansibility, cohesivenessand thixotropy as a main raw material is used as an external additive for thickening and water retention of the dry-mixed adhesive mortar to prepare the special adhesive mortar for the A-grade fireproof insulation board, so that the water retention property of the mortar can be improved, and the mortar has better thixotropy and sagging resistance.

Description

technical field [0001] The invention relates to the technical field of building material preparation, in particular to a special adhesive mortar for Class A boards and a performance testing method thereof. Background technique [0002] In recent years, with the development of the construction industry, the development of thermal insulation materials has been driven. With the society's emphasis on fire protection and the enhancement of people's awareness of fire prevention, Class A fire insulation boards have quietly entered everyone's field of vision. The traditional Class A fire insulation board rock wool is a high energy-consuming industry. board appears. Compared with the increase in bulk density of new fireproof insulation boards such as polystyrene board (EPS) and extruded plastic board (XPS), ordinary bonded mortar cannot meet the needs, especially anti-sagging. [0003] The bonding mortar raw materials for ordinary insulation boards are Portland cement, quartz sand,...

Claims

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Application Information

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IPC IPC(8): C04B28/04G01N11/00
CPCC04B28/04C04B2111/00637C04B2201/10G01N11/00C04B14/06C04B2103/0057C04B22/08
Inventor 穆振奎袁伟李玉金孙达
Owner SHANDONG HUANENG THERMAL INSULATION MATERIAL CO LTD
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