CN101811846A - Polymer vitrified microsphere building heat-insulating mortar - Google Patents

Polymer vitrified microsphere building heat-insulating mortar Download PDF

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Publication number
CN101811846A
CN101811846A CN200910227341A CN200910227341A CN101811846A CN 101811846 A CN101811846 A CN 101811846A CN 200910227341 A CN200910227341 A CN 200910227341A CN 200910227341 A CN200910227341 A CN 200910227341A CN 101811846 A CN101811846 A CN 101811846A
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CN
China
Prior art keywords
powder
mixed
mortar
insulating mortar
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN200910227341A
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Chinese (zh)
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CN101811846B (en
Inventor
郭长顺
丁仲勋
谷亚南
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HUNAN LUYUN CONSTRUCTION MATERIALS CO Ltd
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HUNAN LUYUN CONSTRUCTION MATERIALS CO Ltd
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Priority to CN2009102273411A priority Critical patent/CN101811846B/en
Publication of CN101811846A publication Critical patent/CN101811846A/en
Application granted granted Critical
Publication of CN101811846B publication Critical patent/CN101811846B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20Resistance against chemical, physical or biological attack
    • C04B2111/28Fire resistance, i.e. materials resistant to accidental fires or high temperatures
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention discloses a polymer vitrified microsphere building heat-insulating mortar. The preparation of the heat insulating mortar is implemented by the following steps: firstly, preparing a special additive; secondly, preparing mixed cementitous powder; and finally, uniformly mixing the mixed cementitous powder and vitrified microspheres in a weight ratio of 1:0.6 to obtain the polymer vitrified microsphere building heat-insulating mortar. The heat-insulating mortar of the invention, on the premise of meeting national standards in performance, is improved in bonding strength and lowered in manufacturing cost and suitable for use in projects of interior and exterior plastering of mid- and high-rise building walls made of various materials, particularly, projects of old building heat-insulating modification.

Description

A kind of polymer vitrified microsphere building heat-insulating mortar
Technical field
The present invention relates to building material technical field, especially relate to a kind of polymer vitrified microsphere building heat-insulating mortar.
Background technology
Building heat-insulating mortar, as one of heat preserving and insulating material of building external envelope structure, its principle is to add the density of aglite with the mortar that alleviates in the wall plastering mortar, increases the thermal resistance performance of material.It is formed light skeletals such as mostly being cement bond material and pearlstone, foam beads greatly and forms.But current material exists that the bonding group's of wrapping up in property is poor, and water resistance is poor, and undercapacity falls slag easily, construction trouble and higher defective and the deficiency of cost.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of polymer vitrified microsphere building heat-insulating mortar, improve cohesive strength, reduce cost of manufacture guaranteeing that other performance meets under the prerequisite of national standard.
For achieving the above object, polymer vitrified microsphere building heat-insulating mortar of the present invention adopts the following steps preparation:
A. prepare special additive
Purchase following raw material by weight: re-dispersible glue powder, 30; Vltra tears, 6; Starch ethers, 3; Alkali lignin, 6; Naphthalene water reducer, 7; The hydrophobic powder, 6; Toughener, 12; The montmorillenite powder, 30; Described raw material is mixed evenly;
B. preparation mixes glued powder
Purchase following raw material by weight: cement, 550; Flyash, 55; Fly ash micro-sphere, 200; Calcium lime powder, 60; Terra alba, 40; The fibrous sepiolite powder, 50; The special additive of a step preparation, 45; Described raw material is mixed evenly;
C. thermal insulation mortar is mixed
B step gained is mixed glued powder and glass bead to be mixed by 1: 0.6 (weight ratio) and evenly promptly to get polymer vitrified microsphere building heat-insulating mortar;
In a, b, the c step get by weight when material weight error be controlled at ± 5%.
The invention has the beneficial effects as follows:
1, utilize fibrous sepiolite to substitute polypropylene fibre, the splitting resistance of strongthener not only, and give water conservation, tackify, thickening and the flame retardant effect of material, also reduced material material cost;
2, add flyash and montmorillenite, help environmental protection and waste utilization and comprehensive utilization of resources, reduce density, strengthen insulation, improve cohesiveness and play better effect for material product;
3, material of the present invention has inorganic fire-retardedly, and cracking resistance is water-fast, high temperature resistant, freeze-thawing resistant, high-performance such as workability is good;
4, product of the present invention is applicable to the inside and outside insulation plastering engineering of multilayer, Highrise buildings various types of materials body of wall, is specially adapted to old room heat-insulated insulating reform engineering;
5, single component dry powder blend material, scene add water and stir use, easy construction.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being conspicuous to those skilled in the art, perhaps can obtain instruction and enlightenment from the practice of the present invention to investigating hereinafter.
Embodiment
During concrete enforcement,, can organize and produce qualified product as long as purchase a cover mortar mixing equipment.Production is in proper order: the first step, preparation special additive earlier; In second step, preparation mixes glued powder again; In the 3rd step, mix and make thermal insulation mortar of the present invention.Thermal insulation mortar product single component of the present invention is transported the building site, adds water on request and stirs and can use.Specifically, the concrete by the following method in the present embodiment preparation thermal insulation mortar compound of implementing:
1. the raw material that is mixed of the thermal insulation mortar compound of present embodiment making is for mixing glued powder and glass bead.Proportioning is by volume mixed glued powder: glass bead=(V) 1: (V) 4.5.The respective quality ratio is to mix glued powder: glass bead=1: 0.6.320 kilograms/cubic metre of mixed thermal insulation mortar compound loose volume weights.
2. the above-mentioned 1. glass bead described in the step is the dead front type microballon of perlite expanded one-tenth under the certain temperature condition, and unit dry weight is 120 kg/cubic meter.1. the glued powder unit dry weight of the mixing in the step is 900 kilograms/cubic metre; This mixes glued powder batching and proportioning (weight ratio) is: cement, 550; Flyash, 55; Fly ash micro-sphere, 200; Calcium lime powder, 60; Terra alba, 40; The fibrous sepiolite powder, 50; Special additive, 45.Described cement means 42.5 ordinary portland cements; Flyash means I level flyash; Fly ash micro-sphere is the high-precision microballon of flyash, means the cenosphere that screening is come out in the flyash processing; Sepiolite powder means the III level sepiolite powder after the fibrous processing, fibre content 50%.
3. the alleged special additive of above-mentioned 2. step, its batching and proportioning (mass ratio) are: re-dispersible glue powder, 30; Vltra tears, 6; Starch ethers, 3; Alkali lignin, 6; Naphthalene water reducer, 7; The hydrophobic powder, 6; Toughener, 12; The montmorillenite powder, 30.Wherein, the montmorillenite powder is the soft mineral of local a kind of argillaceous.Starch ethers can adopt ether of cellulose to replace.Toughener is a cement intensifier.
The mixed thermal insulation mortar for building that makes of present embodiment, performance can reach: tap density=320kg/m 3Ultimate compression strength 〉=0.4Mpa; Pressure is cut cohesive strength 〉=0.55Kp; Thermal conductivity≤0.085w./m.k.; Shrinking percentage is low≤and 0.3%.Meet " GB/T 20473-2006 " GB II grade standard.Use conventional mortar mixing and blending machine through certain company, press the building heat-insulating mortar that the foregoing description content tissue is produced, formed the industrial scale of producing 1 ten thousand stere per year.Product is guaranteeing that mortar has under the prerequisite of light weight, heat-insulating property, also must have performances such as intensity, denseness, caking ability, the workability of general plastering mortar be good.For strengthening the cohesive strength of cement gel ramming material, add the starch ethers of polymkeric substance re-dispersible glue powder and enhancing water-keeping thickening; For improving the splitting resistance of material, add the fibrous sepiolite powder and substitute costliness and be difficult for the dispersive man-made fiber; For the component that increases light skeletal, reduce cost, add flyash and coal fly ash hollow micro bead.The present invention has chosen best proportioning, science has been grasped the relation between relation, cohesive strength and the material cost of relation, ultimate compression strength and heat insulation effect between mechanical strength and the density, has improved the cohesive strength of thermal insulation mortar and has reduced cost of manufacture guaranteeing that other performance meets under the prerequisite of national standard.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, other modifications that those of ordinary skills make technical scheme of the present invention or be equal to replacement, only otherwise break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of the claim scope of the present invention.

Claims (1)

1. a polymer vitrified microsphere building heat-insulating mortar is characterized in that, this kind thermal insulation mortar adopts the following steps preparation:
A. prepare special additive
Purchase following raw material by weight: re-dispersible glue powder, 30; Vltra tears, 6; Starch ethers, 3; Alkali lignin, 6; Naphthalene water reducer, 7; The hydrophobic powder, 6; Toughener, 12; The montmorillenite powder, 30; Described raw material is mixed evenly;
B. preparation mixes glued powder
Purchase following raw material by weight: cement, 550; Flyash, 55; Fly ash micro-sphere, 200; Calcium lime powder, 60; Terra alba, 40; The fibrous sepiolite powder, 50; The special additive of a step preparation, 45; Described raw material is mixed evenly;
C. thermal insulation mortar is mixed
B step gained is mixed glued powder and glass bead to be mixed by 1: 0.6 (weight ratio) and evenly promptly to get polymer vitrified microsphere building heat-insulating mortar;
In a, b, the c step get by weight when material weight error be controlled at ± 5%.
CN2009102273411A 2009-12-08 2009-12-08 Polymer vitrified microsphere building heat-insulating mortar Expired - Fee Related CN101811846B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102273411A CN101811846B (en) 2009-12-08 2009-12-08 Polymer vitrified microsphere building heat-insulating mortar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102273411A CN101811846B (en) 2009-12-08 2009-12-08 Polymer vitrified microsphere building heat-insulating mortar

Publications (2)

Publication Number Publication Date
CN101811846A true CN101811846A (en) 2010-08-25
CN101811846B CN101811846B (en) 2012-01-11

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121280A (en) * 2011-01-26 2011-07-13 李明军 Vitrified micro bubble composite rock wool fireproof insulating plate and manufacturing method thereof
CN103304210A (en) * 2013-06-14 2013-09-18 上海贝恒化学建材有限公司 Inorganic thermal mortar with high strength and preparation method thereof
CN103693913A (en) * 2013-12-07 2014-04-02 马鞍山市金韩防水保温工程有限责任公司 Modified vitrified micro bubble thermal insulation mortar
CN105541219A (en) * 2015-12-18 2016-05-04 平顶山市中裕新材料制造有限公司 Self-leveling reflective thermal insulation coating
CN112110701A (en) * 2020-09-23 2020-12-22 四川鼎德商品混凝土有限公司 Ultra-large-volume high-strength low-hydration-heat concrete and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1197811C (en) * 2001-06-14 2005-04-20 李卫洲 Heat insulating aluminium and magnesium silicate mortar
BRPI0510338A (en) * 2004-04-27 2007-10-30 Hercules Inc tile cement mortars employing water retention agents
CN101172829A (en) * 2007-10-22 2008-05-07 王建国 Bi-component inorganic heat-insulating mortar, heat preserving system and construction method thereof
CN101255039A (en) * 2008-04-03 2008-09-03 武汉昂泰科技有限公司 Polymer micro-sphere insulation heat-proof mortar

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102121280A (en) * 2011-01-26 2011-07-13 李明军 Vitrified micro bubble composite rock wool fireproof insulating plate and manufacturing method thereof
CN103304210A (en) * 2013-06-14 2013-09-18 上海贝恒化学建材有限公司 Inorganic thermal mortar with high strength and preparation method thereof
CN103304210B (en) * 2013-06-14 2015-10-28 上海贝恒化学建材有限公司 Inorganic thermal mortar with high strength and preparation method thereof
CN103693913A (en) * 2013-12-07 2014-04-02 马鞍山市金韩防水保温工程有限责任公司 Modified vitrified micro bubble thermal insulation mortar
CN103693913B (en) * 2013-12-07 2015-12-02 马鞍山市金韩防水保温工程有限责任公司 A kind of modified vitrified micro ball thermal-insulating mortar
CN105541219A (en) * 2015-12-18 2016-05-04 平顶山市中裕新材料制造有限公司 Self-leveling reflective thermal insulation coating
CN112110701A (en) * 2020-09-23 2020-12-22 四川鼎德商品混凝土有限公司 Ultra-large-volume high-strength low-hydration-heat concrete and preparation method thereof

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