CN104045307A - Surface-decorative mortar and preparation method thereof - Google Patents
Surface-decorative mortar and preparation method thereof Download PDFInfo
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- CN104045307A CN104045307A CN201410322616.0A CN201410322616A CN104045307A CN 104045307 A CN104045307 A CN 104045307A CN 201410322616 A CN201410322616 A CN 201410322616A CN 104045307 A CN104045307 A CN 104045307A
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Abstract
The invention discloses a surface-decorative mortar for solving the problems that an existing surface-decorative mortar is easily whitened and solving the problems of crisis plant growth. The surface-decorative mortar consists of the following raw materials in parts by weight: 40-80 parts of aluminate cement, 1-30 parts of Portland cement, 20-30 parts of semi-hydrated gypsum, 350-400 parts of quartz sand, 4-12 parts of latex powder, 0.1-0.5 parts of cellulose ether, 0.01-0.5 parts of a retarder, 1-9 parts of a pigment and 75-90 parts of water, wherein the sum of the aluminate cement, the Portland cement and the semi-hydrated gypsum is 100 parts. The surface-decorative mortar disclosed by the invention does not have whitening phenomenon, is good in stain resistance, low in water absorbing capacity, high in bonding strength, good in long-term application performance, durable in color and luster and good in water-proof and air-permeable performance.
Description
Technical field
The invention belongs to building material technical field, be specifically related to a kind of facing mortar and preparation method thereof.
Background technology
Facing mortar is the one novel finishing material of China from external introduction, cement-based finishing mortar can be used for external and internal wall surface and ceiling decoration, there is good hydrophobic nature and permeability, have good cohesiveness with various basal planes (concrete, sand-cement slurry etc.), incrust and cracking; By selecting the aggregate of different-grain diameter, can reach good texture and wall body decoration effect.Compared with coating, cement-based finishing mortar not only constructs simply, quick, has very excellent permanent stability simultaneously; Compared with ceramic tile, cement-based finishing mortar quality is light, during as Highrise buildings facing, can be because brick phenomenon appears falling in negative blast etc., and there is obvious economy.
Facing mortar taking silicate cement as main gelling material there will be the problem of whiting in application process.Whiting can not cause mortar significantly to destroy conventionally, it is mainly the organoleptic quality that affects product, in very short time after the buildings of being everlasting comes into operation, produce, particularly, in the time that the color of colored mortar is darker, the hickie that surface forms can cause the irregular spot that contrast gradient is strong.This is to affect one of major reason that silicate cement base facing mortar promotes the use of.
Aluminate cement has early-strong-fast-hard, resistant to elevated temperatures feature, can not produce Ca (OH) in hydration process
2, but due to the transformation at aquation final hydration product crystal formation, can there is strength retraction.Silicate cement strength development is more stable, but the Ca producing in hydration process (OH)
2can cause the whiting of facing mortar.
Summary of the invention
The object of the present invention is to provide a kind of facing mortar and preparation method thereof, solve the easily problem of whiting of existing facing mortar.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of facing mortar, is made up of the raw material of following weight part: 40～80 parts of aluminate cements, 1～30 part of silicate cement, 20～30 parts of semi-hydrated gypsums, 350～400 parts of quartz sands, 4～12 parts of latex powder, 0.1～0.5 part of ether of cellulose, 0.01～0.5 part of retardant, 1～9 part of pigment, 75～90 parts, water; Wherein, silicate cement, silicate cement and semi-hydrated gypsum three sum are 100 parts.
Described aluminate cement is white aluminate cement.
Described silicate cement is the white portland cement of strength grade 52.5R.
Described semi-hydrated gypsum is alpha-semi water plaster stone.
Described quartz sand adopts following particle diameter and grating: 40～70 orders, account for 55%～65%, 70～100 orders, and account for 35%～45%.
Described ether of cellulose is that viscosity is the hydroxyethylmethyl-cellulose of 40000～75000Pas.
Described latex powder is ethene-vinyl acetate-acrylate terpolymer latex powder.
Described retardant is monohydrate potassium.
Described pigment is the inorganic red of ferric oxide.
The preparation method of described a kind of facing mortar, comprises the following steps:
(1) by aluminate cement, silicate cement, semi-hydrated gypsum, quartz sand, latex powder, retardant and pigment dry mixing to uniform state, obtain dry mash;
(2) water is added in stirrer, then dry mash is added in stirrer and stirred, churning time is 2～3 minutes, gets product.
The detected result of facing mortar of the present invention is as follows:
The fundamental property of table 1 facing mortar
The present invention compared with prior art, has the following advantages and beneficial effect:
The present invention adopts the cooperation each other of each raw material, aluminate cement and silicate cement is carried out compound, and adds semi-hydrated gypsum to adjust to coagulate, and adds other raw material, consumes Ca (OH) when hydration process
2generate high-sulfur type hydrated calcium aluminate sulfate (AFt) or low sulfur type hydrated calcium aluminate sulfate (AFm), to reach the object that suppresses whiting.
Facing mortar of the present invention is without whiting, and contamination resistance is good, and water regain is low, and cohesive strength is high, and Long-Term Properties is good, fast in colour, and water-proof breathable properties is good, and production technique is simple, and application method is convenient, environmental protection simultaneously.
Embodiment
Below in conjunction with embodiment, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment 1
A kind of facing mortar, is made up of the raw material of following weight part: 65 parts of aluminate cements, 10 parts of silicate cements, 25 parts of semi-hydrated gypsums, 160 parts of 40～70 order quartz sands, 240 parts of 70～100 order quartz sands, 9 parts of latex powder, 0.4 part of ether of cellulose, 9 parts of red iron oxides, 0.3 part of retardant, 90 parts, water.Preparation method is as follows:
Preparation method is as follows:
(1) by aluminate cement, silicate cement, semi-hydrated gypsum, quartz sand, latex powder, retardant and pigment dry mixing to uniform state, obtain dry mash;
(2) water is added in stirrer, then dry mash is added in stirrer and stirred, churning time is 2～3 minutes, gets product.
The mortar performance of the present embodiment is as following table.
The facing mortar performance index of table 2 embodiment 1
Embodiment 2
A kind of facing mortar, is made up of the raw material of following weight part: 75 parts of aluminate cements, 5 parts of silicate cements, 20 parts of semi-hydrated gypsums, 140 parts of 40～70 order quartz sands, 210 parts of 70～100 order quartz sands, 9 parts of latex powder, 0.4 part of ether of cellulose, 4 parts of red iron oxides, 0.2 part of retardant, 85 parts, water.Preparation method is with embodiment 1.
The mortar performance of the present embodiment is as following table.
The facing mortar performance index of table 3 embodiment 2
Embodiment 3
A kind of facing mortar, is made up of the raw material of following weight part: 60 parts of aluminate cements, 10 parts of silicate cements, 30 parts of semi-hydrated gypsums, 152 parts of 40～70 order quartz sands, 228 parts of 70～100 order quartz sands, 6 parts of latex powder, 0.3 part of ether of cellulose, 3 parts of red iron oxides, 0.15 part of retardant, 80 parts, water.Preparation method is with embodiment 1.
The mortar performance of the present embodiment is as following table.
The facing mortar performance index of table 4 embodiment 3
Embodiment 4
A kind of facing mortar, is made up of the raw material of following weight part: 55 parts of aluminate cements, 20 parts of silicate cements, 25 parts of semi-hydrated gypsums, 148 parts of 40～70 order quartz sands, 222 parts of 70～100 order quartz sands, 8 parts of latex powder, 0.4 part of ether of cellulose, 5 parts of red iron oxides, 0.10 part of retardant, 77 parts, water.Preparation method is with embodiment 1.
The facing mortar performance index of table 5 embodiment 4
According to above-described embodiment, just can realize well the present invention.What deserves to be explained is; under prerequisite based on said structure design, for solving same technical problem, even if some that make in the present invention are without substantial change or polishing; the essence of the technical scheme adopting is still the same with the present invention, therefore it also should be in protection scope of the present invention.
Claims (10)
1. a facing mortar, it is characterized in that, formed by the raw material of following weight part: 40～80 parts of aluminate cements, 1～30 part of silicate cement, 20～30 parts of semi-hydrated gypsums, 350～400 parts of quartz sands, 4～12 parts of latex powder, 0.1～0.5 part of ether of cellulose, 0.01～0.5 part of retardant, 1～9 part of pigment, 75～90 parts, water; Wherein, silicate cement, silicate cement and semi-hydrated gypsum three sum are 100 parts.
2. a kind of facing mortar according to claim 1, is characterized in that, described aluminate cement is white aluminate cement.
3. a kind of facing mortar according to claim 1, is characterized in that, described silicate cement is the white portland cement of strength grade 52.5R.
4. a kind of facing mortar according to claim 1, is characterized in that, described semi-hydrated gypsum is alpha-semi water plaster stone.
5. a kind of facing mortar according to claim 1, is characterized in that, described quartz sand adopts following particle diameter and grating: 40～70 orders, account for 55%～65%, 70～100 orders, and account for 35%～45%.
6. a kind of facing mortar according to claim 1, is characterized in that, described ether of cellulose is that viscosity is the hydroxyethylmethyl-cellulose of 40000～75000Pas.
7. a kind of facing mortar according to claim 1, is characterized in that, described latex powder is ethene-vinyl acetate-acrylate terpolymer latex powder.
8. a kind of facing mortar according to claim 1, is characterized in that, described retardant is monohydrate potassium.
9. a kind of facing mortar according to claim 1, is characterized in that, described pigment is the inorganic red of ferric oxide.
10. the preparation method of a kind of facing mortar described in claim 1～9 any one, is characterized in that, comprises the following steps:
(1) by aluminate cement, silicate cement, semi-hydrated gypsum, quartz sand, latex powder, retardant and pigment dry mixing to uniform state, obtain dry mash;
(2) water is added in stirrer, then dry mash is added in stirrer and stirred, churning time is 2～3 minutes, gets product.
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| CN201410322616.0A CN104045307B (en) | 2014-07-09 | 2014-07-09 | A kind of facing mortar and preparation method thereof |
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| CN104045307A true CN104045307A (en) | 2014-09-17 |
| CN104045307B CN104045307B (en) | 2016-06-29 |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496382A (en) * | 2014-11-24 | 2015-04-08 | 柳州立洁科技有限公司 | Organic-inorganic composite thermal insulation mortar with low density and low shrinkage |
| CN104529341A (en) * | 2014-11-26 | 2015-04-22 | 芜湖中民科技建材有限公司 | Dry-mixed masonry mortar, and preparation method and application thereof |
| CN104591659A (en) * | 2014-12-23 | 2015-05-06 | 武汉奥捷高新技术有限公司 | Rapidly hardening mortar for binding and jointing sticker mosaic tile |
| CN106630897A (en) * | 2016-12-09 | 2017-05-10 | 广西北海浩邦新能源科技有限公司 | Mortar for exterior wall facings of buildings |
| CN106966679A (en) * | 2017-03-10 | 2017-07-21 | 同济大学 | A kind of ternary gelling system facing mortar and its application method |
| CN107117913A (en) * | 2017-05-09 | 2017-09-01 | 安徽梦谷纤维材料科技有限公司 | A kind of facing mortar of low contract with dry rate |
| CN107337413A (en) * | 2017-08-29 | 2017-11-10 | 南通成山高分子材料有限公司 | A kind of colored finish mortar |
| CN107382228A (en) * | 2017-08-29 | 2017-11-24 | 南通成山高分子材料有限公司 | A kind of preparation method of colored finish mortar |
| CN107602059A (en) * | 2017-08-19 | 2018-01-19 | 湖南七纬科技有限公司 | A kind of non-fading red facing mortar of environmental protection |
| CN107721310A (en) * | 2017-10-26 | 2018-02-23 | 君旺节能科技股份有限公司 | Anti- accumulation of salt in the surface soil facing mortar composite bed |
| CN111995344A (en) * | 2020-08-26 | 2020-11-27 | 亚士创能科技（滁州）有限公司 | Decorative mortar and application thereof |
| CN112341114A (en) * | 2020-10-20 | 2021-02-09 | 浙江忠信新型建材股份有限公司 | Facing mortar with humidity adjusting function and preparation method thereof |
| CN112723853A (en) * | 2020-12-31 | 2021-04-30 | 北京三棵树新材料科技有限公司 | Efflorescence-free low-alkalinity high-fire-resistance inner and outer wall facing mortar and preparation method thereof |
| CN113860838A (en) * | 2021-10-26 | 2021-12-31 | 同济大学 | Anti-efflorescence color facing mortar |
| CN114315296A (en) * | 2021-12-14 | 2022-04-12 | 盐城工学院 | Gypsum-based colored facing mortar and preparation method thereof |
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| CN101475354A (en) * | 2008-10-29 | 2009-07-08 | 汕头经济特区龙湖科技有限公司 | Anti-crystalline bloom exterior wall facing mortar |
| CN101955344A (en) * | 2010-08-26 | 2011-01-26 | 卢建华 | Polymer cement-base wall colored finishing mortar |
| CN102584141A (en) * | 2012-02-06 | 2012-07-18 | 凯诺(青岛)化学建材有限公司 | Exterior wall facing mortar with inorganic characteristic and excellent crystalline bloom resistant performance |
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| CN101475354A (en) * | 2008-10-29 | 2009-07-08 | 汕头经济特区龙湖科技有限公司 | Anti-crystalline bloom exterior wall facing mortar |
| CN101955344A (en) * | 2010-08-26 | 2011-01-26 | 卢建华 | Polymer cement-base wall colored finishing mortar |
| CN102584141A (en) * | 2012-02-06 | 2012-07-18 | 凯诺(青岛)化学建材有限公司 | Exterior wall facing mortar with inorganic characteristic and excellent crystalline bloom resistant performance |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104496382A (en) * | 2014-11-24 | 2015-04-08 | 柳州立洁科技有限公司 | Organic-inorganic composite thermal insulation mortar with low density and low shrinkage |
| CN104529341A (en) * | 2014-11-26 | 2015-04-22 | 芜湖中民科技建材有限公司 | Dry-mixed masonry mortar, and preparation method and application thereof |
| CN104591659A (en) * | 2014-12-23 | 2015-05-06 | 武汉奥捷高新技术有限公司 | Rapidly hardening mortar for binding and jointing sticker mosaic tile |
| CN104591659B (en) * | 2014-12-23 | 2017-10-31 | 武汉奥捷高新技术有限公司 | A kind of bonding and the fast rigid mortar of joint filling for paster leatheroid brick |
| CN106630897A (en) * | 2016-12-09 | 2017-05-10 | 广西北海浩邦新能源科技有限公司 | Mortar for exterior wall facings of buildings |
| CN106966679A (en) * | 2017-03-10 | 2017-07-21 | 同济大学 | A kind of ternary gelling system facing mortar and its application method |
| CN106966679B (en) * | 2017-03-10 | 2019-05-14 | 同济大学 | A kind of ternary gelling system facing mortar and its application method |
| CN107117913A (en) * | 2017-05-09 | 2017-09-01 | 安徽梦谷纤维材料科技有限公司 | A kind of facing mortar of low contract with dry rate |
| CN107602059A (en) * | 2017-08-19 | 2018-01-19 | 湖南七纬科技有限公司 | A kind of non-fading red facing mortar of environmental protection |
| CN107382228A (en) * | 2017-08-29 | 2017-11-24 | 南通成山高分子材料有限公司 | A kind of preparation method of colored finish mortar |
| CN107337413A (en) * | 2017-08-29 | 2017-11-10 | 南通成山高分子材料有限公司 | A kind of colored finish mortar |
| CN107721310A (en) * | 2017-10-26 | 2018-02-23 | 君旺节能科技股份有限公司 | Anti- accumulation of salt in the surface soil facing mortar composite bed |
| CN111995344A (en) * | 2020-08-26 | 2020-11-27 | 亚士创能科技（滁州）有限公司 | Decorative mortar and application thereof |
| CN111995344B (en) * | 2020-08-26 | 2022-05-27 | 亚士创能科技（滁州）有限公司 | Decorative mortar and application thereof |
| CN112341114A (en) * | 2020-10-20 | 2021-02-09 | 浙江忠信新型建材股份有限公司 | Facing mortar with humidity adjusting function and preparation method thereof |
| CN112723853A (en) * | 2020-12-31 | 2021-04-30 | 北京三棵树新材料科技有限公司 | Efflorescence-free low-alkalinity high-fire-resistance inner and outer wall facing mortar and preparation method thereof |
| CN113860838A (en) * | 2021-10-26 | 2021-12-31 | 同济大学 | Anti-efflorescence color facing mortar |
| CN114315296A (en) * | 2021-12-14 | 2022-04-12 | 盐城工学院 | Gypsum-based colored facing mortar and preparation method thereof |
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| CN104045307B (en) | 2016-06-29 |
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Address after: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Patentee after: Sichuan Academy of Architectural Sciences Co., Ltd. Address before: A section of Chengdu city Jinniu District 610000 North Road No. 55 in Sichuan Province Patentee before: Research Inst. of Architectonics, Sichuan Prov. |