CN105174858A - Highly polished seamless polymer cement millstone and preparation method thereof - Google Patents

Highly polished seamless polymer cement millstone and preparation method thereof Download PDF

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Publication number
CN105174858A
CN105174858A CN201510483513.7A CN201510483513A CN105174858A CN 105174858 A CN105174858 A CN 105174858A CN 201510483513 A CN201510483513 A CN 201510483513A CN 105174858 A CN105174858 A CN 105174858A
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China
Prior art keywords
grinding stone
seam
polymer cement
mixing
cement grinding
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CN201510483513.7A
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Chinese (zh)
Inventor
陈学锋
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SICHUAN HI-COATING TECHNOLOGY Co Ltd
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SICHUAN HI-COATING TECHNOLOGY Co Ltd
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Priority to CN201510483513.7A priority Critical patent/CN105174858A/en
Publication of CN105174858A publication Critical patent/CN105174858A/en
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Abstract

The present invention discloses a highly polished seamless polymer cement millstone, which consists of the following raw materials by weight: 3-15 parts of a seamless millstone polymer, 20-37 parts of Portland cement, 50-70 parts of river sand and 100-120 parts of aggregate. The seamless millstone polymer includes calcium sulfoaluminate cement, cellulose ethers, plaster of paris, a dispersible polymer powder, a water reducing agent, calcium chloride, a defoamer and kaolin. A preparation method of the highly polished seamless polymer terrazzo mortar comprises weighing, a first mixing, a second mixing and a tertiary mixing. The highly polished seamless polymer cement millstone has high compressive and flexural strength, low shrinkage, resistance to cracking, high surface abrasion resistance, cleaness, brightness, durability, good 5-10mm thin film workability and good quality stability. The preparation method of the highly polished seamless polymer cement millstone has the characteristics of simple operation, easy preparation and low cost, and is applicable to industrial mass production.

Description

A kind of high bright and clean without seam polymer cement grinding stone and preparation method thereof
Technical field
The invention belongs to building material field, be specifically related to a kind of high bright and clean without seam polymer cement grinding stone and preparation method thereof.
Background technology
Terrazzo (also claiming highlighted terrazzo, brilliant magic stone) rubble is admixed cement to add the goods that the polishing of concrete product rear surface made by corresponding upgrading auxiliary material again.Terrazzo is a kind of material of construction of widespread use, has cheap, the advantages such as shape, color, size are controlled.The advantage that traditional terrazzo is cheap, can mix colours arbitrarily parquets, easy construction etc. are unique, have huge market in China, the terrazzo floor used in all kinds of buildings in urban and urual areas of whole country has 1,000,000,000 square metres more than.But, traditional operating technique cause terrazzo floor very coarse, hide dirt and receive dirty, even also non-delivery use is with regard to filthy dirty, more keeps a public place clean to daily hygiene and brings serious obstruction.As time goes on, very distinct issues are but encountered in actual use: stain is full of stains or spots, intense darkness without light.
The Chinese invention patent being ZL200510031493.6 as the patent No. discloses a kind of crystal siliconising terrazzo and production technique thereof, its terrazzo basic unit covers siliconizing medium, hardening accelerator from the bottom to top successively, adds photo etching, final formation crystal siliconising layer and silica surface.Although its terrazzo made has the advantages that surface hardness is high, highly polished, antifouling capacity is strong, its quality guaranteed period generally only has 10 ~ 15 years, and the usage quantity of raw material is large, and cost of manufacture is high, and aging serious shortcoming easily appears in the later stage.
The present people of development along with science and technology are more and more higher for the quality requirements of terrazzo, are badly in need of developing that a kind of intensity is high, smooth finish good, terrazzo that not easily pollution, long service life, duration are short.In order to cater to the needs in market, we are through a large amount of experiments, develop a kind of novel without seam polymer cement grinding stone, its thin intensity of thickness high and low contraction crack resistence of constructing, construct that convenient texture is good, intensity is high durable in use, can be rated as " revolution of traditional grinding stone technique ".
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, thickness is thin, early strength high and low contraction crack resistence, bright and clean bright, durable in use novel height are bright and clean without seam polymer cement grinding stone to provide one to have.
The object of the invention is to be achieved through the following technical solutions: a kind of high bright and clean without seam polymer cement grinding stone, it is made up of the raw material of following weight part:
Wherein, the described raw material comprising following weight part without seam grinding stone polymkeric substance:
Further, the particle diameter of described river sand is 40 ~ 120 orders.
Further, described silicate cement strength grade is 52.5.
Further, the particle diameter of described aggregate is 2 ~ 5mm, and is one or more the combination in color sand, glass or shell.
A high bright and clean preparation method without seam polymer cement grinding stone mortar, it comprises the following steps:
S1. weigh: take each raw material according to the above ratio, for subsequent use;
S2. mixed once: the plaster of Paris, ether of cellulose, redispersable latex powder, water reducer, defoamer, calcium chloride, kaolin are dropped in mixing machine and carries out mixed once, the rotating speed of mixing machine is 1300 ~ 1700rad/min, mixing time is 4 ~ 8min, is seamless grinding stone polymkeric substance;
S3. two mixing: aluminosulfate cement, ordinary Portland cement, river sand are joined in the seamless grinding stone polymkeric substance of step S2 gained, mix and blend 4 ~ 8min under 2300 ~ 2700rad/min rotating speed, obtain without seam polymer cement grinding stone dry-mix;
S4. three mixing: during site operation, aggregate and clear water will be added, mixing and stirring without in seam polymer cement grinding stone dry-mix, obtained high bright and clean without seam polymer cement grinding stone.
Further, mixing machine described in step S2, S3 is vertical dry powder blender.
Further, the add-on of clear water described in step S4 is 16 ~ 20% without seam polymer cement grinding stone dry-mix weight.
In the present invention, the interpolation of the plaster of Paris plays vital impact for height is bright and clean without the ratio of shrinkage swelling in seam polymer cement grinding stone ternary system and intensity, experiment shows: the selection of species of gypsum and addition can directly affect high bright and clean without seam polymer cement grinding stone early late strength and ratio of shrinkage swelling, especially causes quality problems to height is bright and clean without causing terrace to ftracture after the construction of seam polymer cement grinding stone because size changing rate is excessive.
Add aluminosulfate cement in the present invention and have no precedent record in the application of conventional cement grinding stone.It is early strong that aluminosulfate cement has early solidifying quick-drying, and the characteristic of microdilatancy, terrazzo intensity reached the requirement that can polish in 24 hours.The microdilatancy system of simultaneously arranging in pairs or groups with the plaster of Paris, makes the rate of expand to shrink of terrazzo little, and having stopped ftractures occurs, and achieves big area jointless construction.
Height of the present invention is bright and clean is that traditional terrazzo technique one improves without seam polymer cement grinding stone, has high in technological content, the obvious high-new environmental protection floor product of technical superiority.It is the polymer cement dry-mix material being become to be grouped into by multiple high molecular reactive, and scene adds required aggregate and mixes water, through fully stirring and can using.Setting rate is fast, can go up people's walking, can carry out surface finish polishing after 24 hours after 4-8 hour, have quick construction, easy be Traditional Man levelling incomparable.It is safe, pollution-free, attractive in appearance, rapid construction and coming into operation, and the advantage that surface abrasion resistance is withstand voltage is anti-skidding, color representation is abundant, improves the operational procedure of civilization, create the comfortable smooth space of high-quality.High bright and clean of many uses without seam polymer cement grinding stone, can be used for the various open spaces such as industrial premises, storage, market, exhibition room, gymnasium, hospital, school, airport, station, office, can be used as facing surface layer, also can be used as wear-resisting basic unit.
The present invention has the following advantages: height of the present invention bright and clean not easy to crack without the high and low contraction of seam polymer cement grinding stone pressure-proof and snap-resistent intensity, surface abrasion resistance is high, bright and clean bright, durable in use, 5-10mm thin layer construction excellent performance and quality stability good; The high bright and clean preparation method without seam polymer cement grinding stone has simple to operate, easy to prepare, that cost is low characteristic, is applicable to industrialization scale operation.
Embodiment
Below in conjunction with embodiment, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
Embodiment 1: a kind of high bright and clean without seam polymer cement grinding stone, it is made up of the raw material of following weight part:
Wherein, the described raw material comprising following weight part without seam grinding stone polymkeric substance:
The particle diameter of river sand is 40 orders; Silicate cement strength grade is 52.5; The particle diameter of aggregate is 2mm, and is color sand.
The bright and clean preparation method without seam polymer water grinding stone mortar of above-mentioned height, it comprises the following steps:
S1. weigh: take each raw material according to the above ratio, for subsequent use;
S2. mixed once: the plaster of Paris, ether of cellulose, redispersable latex powder, water reducer, defoamer, calcium chloride, kaolin are dropped in vertical dry powder blender and carries out mixed once, the rotating speed of mixing machine is 1300rad/min, mixing time is 4min, is seamless grinding stone polymkeric substance;
S3. two mixing: aluminosulfate cement, ordinary Portland cement, river sand are joined in the seamless grinding stone polymkeric substance of step S2 gained, mix and blend 4min under 2300rad/min rotating speed, obtain without seam polymer cement grinding stone dry-mix;
S4. three mixing: during site operation, aggregate and clear water will be added without in seam polymer cement grinding stone dry-mix, the add-on of clear water is without seam polymer cement grinding stone dry-mix weight 16%, mixing and stirring, obtained high bright and clean without seam polymer cement grinding stone.
Embodiment 2: a kind of high bright and clean without seam polymer cement grinding stone, it is made up of the raw material of following weight part:
Wherein, the described raw material comprising following weight part without seam grinding stone polymkeric substance:
The particle diameter of river sand is 120 orders; Silicate cement strength grade is 52.5; The particle diameter of aggregate is 5mm, and is the mixing of glass and shell, and weight ratio is 1:2.
The bright and clean preparation method without seam polymer water grinding stone mortar of above-mentioned height, it comprises the following steps:
S1. weigh: take each raw material according to the above ratio, for subsequent use;
S2. mixed once: the plaster of Paris, ether of cellulose, redispersable latex powder, water reducer, defoamer, calcium chloride, kaolin are dropped in vertical dry powder blender and carries out mixed once, the rotating speed of mixing machine is 1700rad/min, mixing time is 8min, is seamless grinding stone polymkeric substance;
S3. two mixing: aluminosulfate cement, ordinary Portland cement, river sand are joined in the seamless grinding stone polymkeric substance of step S2 gained, mix and blend 8min under 2700rad/min rotating speed, obtain without seam polymer cement grinding stone dry-mix;
S4. three mixing: during site operation, aggregate and clear water will be added without in seam polymer cement grinding stone dry-mix, the add-on of clear water is without seam polymer cement grinding stone dry-mix weight 20%, mixing and stirring, obtained high bright and clean without seam polymer cement grinding stone.
Embodiment 3: a kind of high bright and clean without seam polymer cement grinding stone, it is made up of the raw material of following weight part:
Wherein, the described raw material comprising following weight part without seam grinding stone polymkeric substance:
The particle diameter of river sand is 60 orders; Silicate cement strength grade is 52.5; The particle diameter of aggregate is 3mm, and is the combination of color sand, glass and shell, and weight ratio is 1:3:1.
The bright and clean preparation method without seam polymer water grinding stone mortar of above-mentioned height, it comprises the following steps:
S1. weigh: take each raw material according to the above ratio, for subsequent use;
S2. mixed once: the plaster of Paris, ether of cellulose, redispersable latex powder, water reducer, defoamer, calcium chloride, kaolin are dropped in vertical dry powder blender and carries out mixed once, the rotating speed of mixing machine is 1400rad/min, mixing time is 5min, is seamless grinding stone polymkeric substance;
S3. two mixing: aluminosulfate cement, ordinary Portland cement, river sand are joined in the seamless grinding stone polymkeric substance of step S2 gained, mix and blend 5min under 2400rad/min rotating speed, obtain without seam polymer cement grinding stone dry-mix;
S4. three mixing: during site operation, aggregate and clear water will be added without in seam polymer cement grinding stone dry-mix, the add-on of clear water is without seam polymer cement grinding stone dry-mix weight 18%, mixing and stirring, obtained high bright and clean without seam polymer cement grinding stone.
Embodiment 4: a kind of high bright and clean without seam polymer cement grinding stone, it is made up of the raw material of following weight part:
Wherein, the described raw material comprising following weight part without seam grinding stone polymkeric substance:
The particle diameter of river sand is 80 orders; Silicate cement strength grade is 52.5; The particle diameter of aggregate is 4mm, and is shell.
The bright and clean preparation method without seam polymer water grinding stone mortar of above-mentioned height, it comprises the following steps:
S1. weigh: take each raw material according to the above ratio, for subsequent use;
S2. mixed once: the plaster of Paris, ether of cellulose, redispersable latex powder, water reducer, defoamer, calcium chloride, kaolin are dropped in vertical dry powder blender and carries out mixed once, the rotating speed of mixing machine is 1650rad/min, mixing time is 7min, is seamless grinding stone polymkeric substance;
S3. two mixing: aluminosulfate cement, ordinary Portland cement, river sand are joined in the seamless grinding stone polymkeric substance of step S2 gained, mix and blend 5min under 2700rad/min rotating speed, obtain without seam polymer cement grinding stone dry-mix;
S4. three mixing: during site operation, aggregate and clear water will be added without in seam polymer cement grinding stone dry-mix, the add-on of clear water is without seam polymer cement grinding stone dry-mix weight 16%, mixing and stirring, obtained high bright and clean without seam polymer cement grinding stone.
Below by way of description of test beneficial effect of the present invention:
Test the bright and clean performance without seam polymer cement grinding stone of height prepared by embodiment 1-4, result is as shown in table 1.
Table 1: height prepared by the present invention is bright and clean without seam polymer cement grinding stone the performance test results

Claims (11)

1. highly bright and cleanly to it is characterized in that without a seam polymer cement grinding stone, it is made up of the raw material of following weight part:
Without seam grinding stone polymkeric substance: 3 ~ 15; Silicate cement: 20 ~ 37;
River sand: 50 ~ 70; Aggregate: 100 ~ 120;
Wherein, the described raw material comprising following weight part without seam grinding stone polymkeric substance:
Aluminosulfate cement: 30 ~ 45; Ether of cellulose: 0.5 ~ 2.3,
The plaster of Paris: 30 ~ 35, redispersable latex powder: 5 ~ 15,
Water reducer: 1 ~ 2, calcium chloride: 5 ~ 20,
Defoamer: 1 ~ 2, kaolin: 5 ~ 15.
2. a kind of height according to claim 1 is bright and clean is characterized in that without seam polymer cement grinding stone, and the particle diameter of described river sand is 40 ~ 120 orders.
3. a kind of height according to claim 1 is bright and clean is characterized in that without seam polymer cement grinding stone, and described silicate cement strength grade is 52.5.
4. a kind of height according to claim 1 is bright and clean is characterized in that without seam polymer cement grinding stone, and the particle diameter of described aggregate is 2 ~ 5mm, is the combination of one or more in color sand, glass or shell.
5. a kind of high bright and clean preparation method without seam polymer cement grinding stone mortar as described in any one of Claims 1 to 4, it is characterized in that, it comprises the following steps:
S1. weigh: take each raw material according to the above ratio, for subsequent use;
S2. mixed once: the plaster of Paris, ether of cellulose, redispersable latex powder, water reducer, defoamer, calcium chloride, kaolin are dropped in mixing machine and carries out mixed once, the rotating speed of mixing machine is 1300 ~ 1700rad/min, mixing time is 4 ~ 8min, is seamless grinding stone polymkeric substance;
S3. two mixing: aluminosulfate cement, ordinary Portland cement, river sand are joined in the seamless grinding stone polymkeric substance of step S2 gained, mix and blend 4 ~ 8min under 2300 ~ 2700rad/min rotating speed, obtain without seam polymer cement grinding stone dry-mix;
S4. three mixing: during site operation, aggregate and clear water will be added, mixing and stirring without in seam polymer cement grinding stone dry-mix, obtained high bright and clean without seam polymer cement grinding stone.
6. a kind of preparation method without seam self-leveling cement grinding stone mortar as claimed in claim 5, it is characterized in that, mixing machine described in step S2, S3 is vertical dry powder blender.
7. a kind of preparation method without seam self-leveling cement grinding stone mortar as claimed in claim 5, is characterized in that, the add-on of clear water described in step S4 is without seam polymer cement grinding stone dry-mix weight 16 ~ 20%.
CN201510483513.7A 2015-08-03 2015-08-03 Highly polished seamless polymer cement millstone and preparation method thereof Pending CN105174858A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106007531A (en) * 2016-05-20 2016-10-12 江多忠 Engineering stone terrazzo
CN107382224A (en) * 2017-07-14 2017-11-24 宿州典跃新型建筑材料有限公司 A kind of macromolecule modified cement fund grinding stone
CN109456022A (en) * 2019-01-07 2019-03-12 东莞市康之美建材科技有限公司 A kind of integral seamless water mill stone material

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102910885A (en) * 2011-08-01 2013-02-06 明伦建材工业(苏州)有限公司 Wear-resistant cement mortar, wear-resistant floor and preparation method thereof
CN103288408A (en) * 2013-05-07 2013-09-11 沈礼群 Outdoor breathable environment-purifying color-surfaced brick
CN103317789A (en) * 2013-05-30 2013-09-25 北京索利特新型建筑材料有限公司 Thick-plaster fireproof mortar phenolic resin plate and phenolic aldehyde special-purpose fireproof mortar

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102910885A (en) * 2011-08-01 2013-02-06 明伦建材工业(苏州)有限公司 Wear-resistant cement mortar, wear-resistant floor and preparation method thereof
CN103288408A (en) * 2013-05-07 2013-09-11 沈礼群 Outdoor breathable environment-purifying color-surfaced brick
CN103317789A (en) * 2013-05-30 2013-09-25 北京索利特新型建筑材料有限公司 Thick-plaster fireproof mortar phenolic resin plate and phenolic aldehyde special-purpose fireproof mortar

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中华人民共和国国家发展和改革委员会: "《中华人民共和国建材行业标准 地面用水泥基自流平砂浆》", 11 April 2005 *
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106007531A (en) * 2016-05-20 2016-10-12 江多忠 Engineering stone terrazzo
CN107382224A (en) * 2017-07-14 2017-11-24 宿州典跃新型建筑材料有限公司 A kind of macromolecule modified cement fund grinding stone
CN107382224B (en) * 2017-07-14 2020-12-01 宿州典跃新型建筑材料有限公司 Polymer modified cement-based gold millstone
CN109456022A (en) * 2019-01-07 2019-03-12 东莞市康之美建材科技有限公司 A kind of integral seamless water mill stone material

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Application publication date: 20151223