Modified nano-kieselguhr inorganic thermal-insulation mortar coated with plant ash and preparation method thereof

A technology of inorganic thermal insulation mortar and nano-diatomite, which is applied in the field of building materials, can solve the problems of poor impact resistance, low strength, and peeling of the finish layer, and achieve excellent thermal insulation, improved cylinder compressive strength, and improved thermal insulation effect of effect

Inactive Publication Date: 2013-04-03
合肥神舟建筑集团有限公司
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Problems solved by technology

At present, thermal insulation mortars have common problems such as large capacity, large thermal conductivity, and easy cracking and hollowing, which affect the overall appearance and thermal insulation effect. , poor impact resistance, etc., and there are problems in weather resistance, fire resistance, green environmental protection, etc.

Method used

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  • Modified nano-kieselguhr inorganic thermal-insulation mortar coated with plant ash and preparation method thereof

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Embodiment Construction

[0013] A plant ash-coated modified nano-diatomite inorganic thermal insulation mortar, which is composed of the following raw materials in parts by weight: 54 parts of 42.5-grade ordinary Portland cement, 28 parts of coal gangue powder, 16 parts of plant straw powder, and 16 parts of nano-diatomite 42 parts of plant ash, 15 parts of starch emulsion, 2.5 parts of tetraisopropyl bis(dioctylphosphite acyloxy) titanate, 12 parts of modified vitrified microbeads, 3 parts of redispersible latex powder, hydroxy 1.2 parts of ethyl methyl cellulose ether, 1 part of wood fiber, and 1.5 parts of polypropylene fiber.

[0014] Wherein, the modified vitrified microbeads are prepared by the following method: add the vitrified microbeads into a high-speed mixer, add 3% isopropyl tris(dioctyl pyrophosphate acyloxy) titanate, Stir at high speed for 30 minutes at 105°C, then take phenolic resin equivalent to 40% of the weight of the vitrified microbeads and dissolve it in absolute ethanol soluti...

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Abstract

The invention discloses a modified nano-kieselguhr inorganic thermal-insulation mortar coated with plant ash. The thermal-insulation mortar comprises the following raw materials in parts by weight: 50-60 parts of 42.5-level ordinary Portland cement, 20-30 parts of coal slack powder, 10-20 parts of plant straw powder, 10-20 parts of nano-kieselguhr, 40-50 parts of plant ash, 10-15 parts of starch emulsion, 2-3 parts of tetraisopropyl di(dioctylphosphate) titanate, 10-15 parts of modified vitrified microspheres, 2-4 parts of redispersible latex powder, 0.5-1.5 parts of methyl cellulose ether, 0.5-1 part of wood fiber, and 1-2 parts of polypropylene fiber. According to the invention, the produced thermal-insulation mortar is excellent in thermal insulation property and construction performance, high in intensity, good in weatherability, green and environment-friendly, and has extremely great market space and development prospect in the field of the building energy-saving application in China.

Description

technical field [0001] The invention relates to a building material, in particular to a plant ash-coated modified nano diatomite inorganic thermal insulation mortar and a preparation method thereof. Background technique [0002] With the popularization of building energy conservation and the continuous improvement of people's demand for the comfort of living environment, the external wall insulation system has been paid more and more attention by people. The most widely used external wall insulation system in my country's energy-saving building market is mainly composed of interface mortar, thermal insulation mortar, crack-resistant plastering mortar, alkali-resistant glass fiber mesh cloth, flexible and resistant putty and coatings. At present, thermal insulation mortars have common problems such as large capacity, large thermal conductivity, and easy cracking and hollowing, which affect the overall appearance and thermal insulation effect. , poor impact resistance and oth...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B14/22C04B14/08
Inventor 吕宗平
Owner 合肥神舟建筑集团有限公司
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