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

A technology of nano sepiolite powder and inorganic thermal insulation mortar, applied in the field of building materials, can solve problems such as low strength, poor impact resistance, and large thermal conductivity, so as to improve compressive strength and impact resistance, and improve thermal insulation effect and strength , Excellent thermal insulation effect

Inactive Publication Date: 2013-04-03
合肥神舟建筑集团有限公司
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  • Abstract
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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-sepiolite powder inorganic thermal-insulation mortar coated with plant ash and preparation method thereof

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Embodiment Construction

[0013] An inorganic thermal insulation mortar coated with plant ash and modified nano-sepiolite powder, which is composed of the following raw materials in parts by weight: 56 parts of 42.5-grade ordinary Portland cement, 25 parts of modified fly ash, 16 parts of plant straw powder, and nano-sea foam 20 parts of stone powder, 45 parts of plant ash, 15 parts of starch emulsion, 2.5 parts of bis(dioctyloxypyrophosphate) ethylene titanate, 12 parts of vitrified microspheres, 3 parts of redispersible latex powder, hydroxypropyl 1 part of methyl cellulose ether, 0.8 parts of wood fiber, and 1.5 parts of polyimide fiber.

[0014] Wherein, the modified fly ash is prepared by the following method: first dry the fly ash in an oven at 105°C, then put the dried fly ash into a high-speed kneader, add 3% aluminum Ester coupling agent DL-411, 2% stearic acid, 3% triethyl citrate and 0.8% liquid paraffin, after high-speed mixing, take out, dry and grind into 150 mesh powder.

[0015] A meth...

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Abstract

The invention discloses a modified nano-sepiolite powder 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 modified fly ash, 10-20 parts of plant straw powder, 10-20 parts of nano-sepiolite powder, 40-50 parts of plant ash, 10-15 parts of starch emulsion, 2-3 parts of bis(P,P-bis-ethylhexyl diphosphato)ethanediolato titanate, 10-15 parts of vitrified microspheres, 2-4 parts of redispersible latex powder, 0.5-1.5 parts of hydroxypropyl methylcellulose ether, 0.5-1 part of wood fiber, and 1-2 parts of polyimide 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 sepiolite powder 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 ...

Claims

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Application Information

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IPC IPC(8): C04B28/04C04B14/04
Inventor 吕宗平
Owner 合肥神舟建筑集团有限公司
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