CN102863832A - Low-temperature elastic putty and preparation method thereof - Google Patents
Low-temperature elastic putty and preparation method thereof Download PDFInfo
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- CN102863832A CN102863832A CN2012104030859A CN201210403085A CN102863832A CN 102863832 A CN102863832 A CN 102863832A CN 2012104030859 A CN2012104030859 A CN 2012104030859A CN 201210403085 A CN201210403085 A CN 201210403085A CN 102863832 A CN102863832 A CN 102863832A
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Abstract
The invention discloses low-temperature elastic putty and a preparation method thereof. Ordinary putty, soft putty or elastic coating in the market is free from cracking resistance at the temperature of below -10 DEG C, high in cost, capable of being blistered and fallen off and impermanent in cracking resistance. The putty is made of sierozem powder, coarse whiting, vermiculite, bundle fiber, low-temperature elastic latex, water, hydroxyl propyl methyl cellulose and the like. The putty has putty film softness at the temperature of below -10 DEG C and the curved crack-free property of a diameter of 50 mm, the low-temperature crack resistance is lasting, and the service life of coating and buildings is improved greatly. Compared with traditional putty, the putty has the advantages of being light in weight, high in strength, permeable, temperature-change resistant and lasting in low-temperature softness. The putty can solve the problem that external walls of buildings have 'dynamic cracks'. The effect is good and the advantages are obvious.
Description
Technical field
What the present invention relates to is a kind of low temperature elasticity putty and preparation method thereof, is that employing fiber, vermiculite and low temperature elasticity emulsion are the low temperature elasticity putty that base-material is prepared from, and belongs to the building coating technical field.
Background technology
Putty is as the main supplementary material of paint spraying, and its major function is to fill up the large pit of metope basic unit and fill and lead up little space, and coating can be coated be contained on the substantially smooth basal plane, thus the decorative effect that obtains.Because the wall face majority of buildings is cement-based material, such as cement plaster mortar or the cement paste etc. of wiping one's face.Because the natural characteristics of cement-based material, the surface crack can occur inevitably.These cracks generally have the character of " dynamic crack ".That is to say when these cracks can change along with external environmental condition such as temperature, alternation of wetting and drying etc. and open or closed the variation thereupon.When using common putty to fill up these cracks, just be difficult to adapt to opening or closed variation of " dynamic crack ", and then give to film and cause certain damage, even make to film and the crack occurs.Use flexible putty or elastic coating can satisfy some demand of anti-crack to a certain extent, but there are the problems such as cost height, sticking power, water tolerance, ventilation property, resistance to soiling be poor in flexible putty or elastic coating, be prone to drum, torn skin, contamination etc. and affect the quality phenomenon, it is exactly the low temperature requirement of not satisfying below-10 ℃ that flexible putty or elastic coating also have a fatal shortcoming, want under-10 ℃ the condition, above-mentioned existing problems are more outstanding.In the winter of northern China, external temperature usually is lower than-10 ℃, under such condition, the easier appearance of metope base-material " dynamic crack ", for the technical development of present metope base-material, " dynamic crack " is inevitably, overcome the intrinsic deficiency in this building field, by present technical progress, can only remedy by low temperature elasticity putty.Therefore, develop a kind ofly have that low cost, cohesive force are strong, ventilation property, fillibility are good, the low temperature elasticity putty of the satisfied dynamic demand of anti-crack of screed below-10 ℃ of energy, are the technical progresses of building coating technical field.And pass through retrieval, and find no the technology disclosure of low temperature elasticity putty.
Goal of the invention
The object of the invention just provides a kind of low temperature elasticity putty, utilize its good ventilation property, fillibility, to the affinity of environment, in the putty membrane snappiness below-10 ℃, and by the crooked flawless low temperature elasticity performance of diameter 50mm, overcome the deficiency that the common putty that uses at building wall at present, flexible putty, elastic coating etc. exist.
Another object of the present invention just provides the preparation method of this low temperature elasticity putty.
The foregoing invention purpose is achieved through the following technical solutions: a kind of low temperature elasticity putty, mainly by dry powder putty and glue special according to weight ratio 2-4: 1 ratio is prepared from;
Dry powder putty is comprised of the following weight parts raw material:
Ash calcium powder 5-20 part, coarse whiting 50-80 part, vermiculite 10-20 part, bundle fiber 0.1-3.5 part;
Glue special is comprised of the following weight parts raw material:
Low temperature elasticity emulsion 20-30 part, water 40-60 part, Vltra tears 0.5-2 part;
Described grey calcium powder fineness is the 200-600 order, is by the natural fat lime stone take calcium carbonate as main component, becomes unslaked lime after high-temperature calcination, the powder that forms through selection by winnowing, pulverizing again;
Described coarse whiting fineness is the 200-600 order, is that calcite, the marble with high-quality is that raw material cooperates the white powder that processes with arbitrary proportion;
Described vermiculite fineness is the 150-400 order, is to be expanded by screening the powder that grinding and processing forms through 1000-1200 ℃ of high temperature klining by the fabric and raw-vermiculite raw ore;
Described bundle fiber is 0.5-2cm length, a kind of or any mixing wherein of available vegetable fibre, synthon, ore fiber;
Described low temperature elasticity emulsion is that second-order transition temperature Tg is at-5 ℃ to-40 ℃, admittedly be contained in 100% pure acrylic latex of 55-60%;
Described Vltra tears is the cold cut non-ionic celluloses ether.
Above-mentioned raw materials is prepared by following method:
(1) grey calcium powder, coarse whiting, vermiculite, bundle fiber are proportionally mixed makes dry powder putty;
(2) low temperature elasticity emulsion, water, Vltra tears are proportionally mixed, then stir, obtain glue special;
(3) dry powder putty is added in the glue special in proportion, after the mixing, can obtain paste low temperature elasticity putty after high-speed stirring is even.
Take the present invention of above-mentioned measure, the main component take the low temperature elasticity emulsion as film forming is improved intensity and the water tolerance of putty with grey calcium powder.Utilize that fiber proportion is little, specific surface area is large, have good ventilation property, thermotolerance and the good characteristics such as snappiness, add and mix the rear tridimensional network that forms in the putty, strengthened anchorage force and the resisting power of putty, thereby the intensity, the degree of compactness that improve putty reduce the cracking that putty causes because expanding with heat and contract with cold.Utilize vermiculite light weight, insulation, heat insulation and expand after the inside contain the characteristic of a large amount of pores, add the ventilation property, the temperature resistance sex change that improve putty in the putty.Compare product of the present invention with common putty and have light weight, high strength, ventilation property, temperature-change resistance and the lasting characteristics such as low temperature flexibility.Detect test through using: the present invention-12 to-15 ℃ of conditions, is constructed in the cement based surface of wall, and thickness is the 1.5-3 millimeter, and through the check of 5 days, 15 days, 30 day three time periods, master data is as shown in the table:
Above-mentioned data declaration, the high strength that the present invention has, ventilation property, temperature-change resistance and lasting low temperature flexibility.Preparation method of the present invention is simple, and is with low cost, solved the key issue in the low temperature wall construction below-10 ℃.
Embodiment
Embodiment 1
(1) configuration of dry powder putty: get 15 parts of fineness 325 purposes ash calcium powders, 75 parts of 325 order coarse whitings, 15 parts of 325 order vermiculites, 1.5 parts on the vegetable fibre of 0.5cm length mixes above-mentioned solid material rear stand-by.
(2) configuration of glue special: get the Tg temperature at-25 ℃, admittedly be contained in 25 parts of 55% 100% pure acrylic latexes, 40 parts in water is got 0.7 part of Vltra tears, and is stand-by after the mixing and stirring.
(3) dry powder putty and glue special are mixed according to 2.5: 1 ratio of weight ratio, high-speed stirring obtained paste low temperature elasticity putty after 15 minutes.
Embodiment 2
(1) configuration of dry powder putty: get 12 parts of fineness 400 purposes ash calcium powders, 70 parts of 400 order coarse whitings, 12 parts of 400 order vermiculites, 1.0 parts of the synthon of 0.5cm length mix above-mentioned solid material rear stand-by.
(2) configuration of glue special: get the Tg temperature at-15 ℃, admittedly be contained in 30 parts of 56% 100% pure acrylic latexes, 45 parts in water is got 0.8 part of Vltra tears, and is stand-by after the mixing and stirring.
(3) dry powder putty and glue special are mixed according to 2.5: 1 ratio of weight ratio, high-speed stirring obtained paste low temperature elasticity putty after 15 minutes.
Embodiment 3
(1) configuration of dry powder putty: get 20 parts of fineness 450 purposes ash calcium powders, 80 parts of 500 order coarse whitings, 20 parts of 450 order vermiculites, 2.0 parts of the ore fibers of 1.0cm length mix above-mentioned solid material rear stand-by.
(2) configuration of glue special: get the Tg temperature at-20 ℃, admittedly be contained in 30 parts of 60% 100% pure acrylic latexes, 60 parts in water is got 1.0 parts of Vltra tearss, and is stand-by after the mixing and stirring.
(3) dry powder putty and glue special are mixed according to 2.5: 1 ratio of weight ratio, high-speed stirring obtained paste low temperature elasticity putty after 15 minutes.
Embodiment 4
(1) configuration of dry powder putty: get 10 parts of fineness 600 purposes ash calcium powders, 80 parts of 600 order coarse whitings, 10 parts of 600 order vermiculites, 1 part on the vegetable fibre of 2.0cm length, 0.5 part of the synthon of 0.5cm length mix above-mentioned solid material rear stand-by.
(2) configuration of glue special: get the Tg temperature at-40 ℃, admittedly be contained in 20 parts of 50% 100% pure acrylic latexes, 50 parts in water is got 0.5 part of Vltra tears, and is stand-by after the mixing and stirring.
(3) dry powder putty and glue special are mixed according to 2.5: 1 ratio of weight ratio, high-speed stirring obtained paste low temperature elasticity putty after 15 minutes.
Embodiment 5
(1) configuration of dry powder putty: get 12 parts of fineness 200 purposes ash calcium powders, 55 parts of 200 order coarse whitings, 12 parts of 200 order vermiculites, 0.5cm 0.5 part on the vegetable fibre of length, 0.5cm 0.5 part of the ore fiber of length, 0.5 part of the synthon of 1.0cm length mix above-mentioned solid material rear stand-by.
(2) configuration of glue special: get the Tg temperature at-5 ℃, admittedly be contained in 22 parts of 52% 100% pure acrylic latexes, 46 parts in water is got 1.3 parts of Vltra tearss, and is stand-by after the mixing and stirring.
(3) dry powder putty and glue special are mixed according to 2.5: 1 ratio of weight ratio, high-speed stirring obtained paste low temperature elasticity putty after 15 minutes.
Embodiment 6
(1) configuration of dry powder putty: get 18 parts of fineness 525 purposes ash calcium powders, 72 parts of 525 order coarse whitings, 18 parts of 525 order vermiculites, 0.8 part of the synthon of 0.5cm length, 0.8 part of the ore fiber of 0.5cm length mixes above-mentioned solid material rear stand-by.
(2) configuration of glue special: get the Tg temperature at-35 ℃, admittedly be contained in 26 parts of 58% 100% pure acrylic latexes, 50 parts in water is got 1.5 parts of Vltra tearss, and is stand-by after the mixing and stirring.
(3) dry powder putty and glue special are mixed according to 2.5: 1 ratio of weight ratio, high-speed stirring obtained paste low temperature elasticity putty after 15 minutes.
Claims (1)
1. low temperature elasticity putty and preparation method thereof, it is characterized in that described putty mainly by dry powder putty and glue special according to weight ratio 2-4: 1 ratio is prepared from;
Dry powder putty is comprised of the following weight parts raw material:
Ash calcium powder 5-20 part, coarse whiting 50-80 part, vermiculite 10-20 part, bundle fiber 0.1-3.5 part;
Glue special is comprised of the following weight parts raw material:
Low temperature elasticity emulsion 20-30 part, water 40-60 part, Vltra tears 0.5-2 part;
Above-mentioned raw materials is prepared by following method:
(1) grey calcium powder, coarse whiting, vermiculite, bundle fiber are proportionally mixed makes dry powder putty;
(2) low temperature elasticity emulsion, water, Vltra tears are proportionally mixed, then stir, obtain glue special;
(3) dry powder putty is added in the glue special in proportion, after the mixing, can obtain paste low temperature elasticity putty after high-speed stirring is even.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104030859A CN102863832A (en) | 2012-10-19 | 2012-10-19 | Low-temperature elastic putty and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012104030859A CN102863832A (en) | 2012-10-19 | 2012-10-19 | Low-temperature elastic putty and preparation method thereof |
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| CN102863832A true CN102863832A (en) | 2013-01-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118202A (en) * | 2016-08-03 | 2016-11-16 | 吉林建筑大学 | Air cleaning putty and preparation and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06172688A (en) * | 1992-12-07 | 1994-06-21 | Yoshino Sekko Kk | Dry curable patty |
| CN101368014A (en) * | 2008-09-17 | 2009-02-18 | 中国建筑材料科学研究总院 | Inorganic putty powder with function of governing humidness |
| CN101381533A (en) * | 2008-10-09 | 2009-03-11 | 江南大学 | Preparation method of flexible powdery putty for external wall |
| CN102092989A (en) * | 2010-12-10 | 2011-06-15 | 现代精密化工（郑州）有限公司 | Inorganic dry powder texture coating |
-
2012
- 2012-10-19 CN CN2012104030859A patent/CN102863832A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06172688A (en) * | 1992-12-07 | 1994-06-21 | Yoshino Sekko Kk | Dry curable patty |
| CN101368014A (en) * | 2008-09-17 | 2009-02-18 | 中国建筑材料科学研究总院 | Inorganic putty powder with function of governing humidness |
| CN101381533A (en) * | 2008-10-09 | 2009-03-11 | 江南大学 | Preparation method of flexible powdery putty for external wall |
| CN102092989A (en) * | 2010-12-10 | 2011-06-15 | 现代精密化工（郑州）有限公司 | Inorganic dry powder texture coating |
Non-Patent Citations (2)
| Title |
|---|
| 刘成楼: "双组分相变保温柔性外墙腻子的研制", 《化学建材》, vol. 25, no. 3, 31 March 2009 (2009-03-31), pages 21 - 24 * |
| 殷武: "柔性保温腻子的研制", 《涂料技术与文摘》, no. 10, 30 October 2010 (2010-10-30), pages 14 - 16 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118202A (en) * | 2016-08-03 | 2016-11-16 | 吉林建筑大学 | Air cleaning putty and preparation and application thereof |
| CN106118202B (en) * | 2016-08-03 | 2018-07-27 | 吉林建筑大学 | Air purification putty and its preparation and application |
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Application publication date: 20130109 |