CN103525151B - Environment-friendly type inner wall putty powder and putty paste and its preparation method - Google Patents
Environment-friendly type inner wall putty powder and putty paste and its preparation method Download PDFInfo
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Abstract
The present invention discloses a kind of environment-friendly type inner wall putty powder and putty paste and its preparation method, and described putty powder comprises the component of following weight parts: talcum powder 45-72 part, water-ground limestone 18-30 part, calcium-base bentonite 5-10 part, Xylo-Mucine 0.6-1.5 part, polyacrylamide 1-5 part, Natvosol 0.3-1.7 part; The weight part number of building gypsum plaster 0-20 part, carboxymethyl cellulose 0-0.8 part, ��-pre-gelatinized starch 0-8 part, Vltra tears 0-3 part, Sodium dodecylbenzene sulfonate is 0-0.5 part. The preparation method of putty powder is after above-mentioned component being mixed, discharging after stirring 10��15min. In putty powder, add 0.3��0.5 times of water stirring of putty powder weight evenly namely obtain putty paste. Putty powder/the putty paste of the present invention does not contain or only containing trace formaldehyde, contents of heavy metal elements is extremely low, belongs to environmental type product; There is excellent shock-resistance, excellent hydrophobicity and water-repellancy, snappiness, good resistance to cleavage, shelf-stable and easily construct.
Description
Technical field
The invention belongs to decorative material for wall surface technical field, it is building decorative gelatinous material, be specifically related to a kind of Environmental-friendputty putty powder and putty paste, and its preparation method.
Background technology
Inner wall putty is a kind of decoration gelatinous material of smooth surface of wall, is coated with, in order to fill the space of metope and to repair, the defect that height is uneven on the surface, coating or lacquer painting can be made to be coated on metope can form smooth and uniform paint film. Owing to inner wall putty uses extensively, can be used for multiple different places, required functional requirement has difference according to field of employment also more. Thus, the existing patent of invention about inner wall putty. Mainly contain as follows:
In water-fast inner wall putty powder, CN1228399C discloses a kind of water-proof putty powder, its by calcium hydroxide, white cement, heavy calcium be raw material by weight proportion 3:2:5 allocate, after above-mentioned raw materials mixture is even, every ton of raw material adds methylcellulose gum 4-6 kilogram again. CN1260313C discloses a kind of environment-friendly watertight inner wall putty powder, mainly comprises the component of following weight parts: heavy calcium carbonate 70-75, light weight calcium acid calcium powder 20-35, grey matter calcium powder 50-55, alpha starch 15-20, carboxymethyl cellulose 18-25, water-soluble gelatin powder 14-18.
Have in adsorption function putty powder, CN101585684B discloses a kind of attapulgite interior wall putty powder, being made up of Concavo-convex stick after purifying, activated attapulgite, white portland cement, polyacrylamide and anatase thpe white powder, its production method is: batching, pulverizing, mill powder, packaging. Attapulgite interior wall putty powder being put into container, adds water infiltration 5-30 minute, the ratio of attapulgite interior wall putty powder and water is l:0.5-1:4, after stirring, so that it may to carry out knife-coat application. CN100564459C discloses a kind of water resistance putty powder and its preparation method with adsorption function.Zeolite powder and/or diatomite are used in putty powder as sorbent material, give the performance of putty powder absorption toxic and harmful, and strengthen the sticking power of putty powder. Putty powder uses water-resisting agent, especially cross-linking starch, can obviously improve the water tolerance of putty powder.
In nourishing function putty powder, CN101319103B discloses a kind of negative ion putty powder, is mixed by talcum powder, plant gum powder and tourmaline powder. CN101225261B discloses a kind of architectural interior anion waterproof putty powder and its preparation method, by following weight is: activated calcium powder 100-300 part, Paris white 100-700 part, negative ion powder 50-200 part, organic gel materials 1-10 part, Mierocrystalline cellulose 1-5 part. Above-mentioned negative ion powder is the mixed powder of ultra-fine tourmaline powder and physisorption material, and wherein the fineness of ultra-fine tourmaline powder is more than 2.6um, and purity is more than 95%; Physisorption material is the one in diatomite and modified activated carbon, and the weight of physisorption material accounts for the 20-35% of negative ion powder gross weight. CN101418153B discloses a kind of health putty powder, is made up of the raw material of following weight part number: heavy calcium carbonate 60-65 part, calcium hydroxide powder 16-30 part, talcum powder 10-15 part, methylcellulose gum powder 0.5-1 part, bentonite in powder 1-2.5 part, titanium dioxide 0.5-1 part, plant long jiao powder 3-4 part, sandalwood powder 2-3 part, Japanese Honeysuckle flower dry powder 1-2 part, chrysanthemum flower dry powder 1-2 part, Long Gu Powder 2-3 part, Powder Phaseoli radiati 1-2 part.
In Environmental-friendputty putty powder, CN102786828 discloses the compound method of a kind of interior wall environmental protection putty glue powder. Taking the gelatinization hydroxypropyl tapioca (flour) of drying, pva powder, sodium bentonite (400 order), light calcium carbonate, Vltra tears, potassium aluminium sulfate, soda ash, ammonia chloride as raw material, and be aided with fragmentation, mixing technique to produce interior wall environmental protection putty glue powder, can use with the material mixing such as talcum powder, dry powder, light calcium carbonate powder, sierozem power, terra alba, white cement, black cement, both glue can have been produced, it is also possible to produce putty powder, thermal insulation mortar etc.
In the above-mentioned inner wall putty powder mentioned, have plenty of to improve water tolerance, have plenty of to have the functions such as absorption, health care, the former easy hollowing, play skin, cracking, and the latter's cohesive strength is lower, poor adhesive force, water resistance are poor. And in the preparation of Environmental-friendputty putty, composition and engineering program is complicated, containing unstable chemcial property, easily jaundice and the raw material playing blackspot.
The known inner wall putty of China mostly adopts talcum powder, dry powder, carboxymethyl cellulose and formaldehyde polyvinyl acetal to stick the materials such as agent (107 glue) and is prepared from, although raw materials cost is low, but complex process, comprehensive cost height, particularly containing objectionable impuritiess such as formaldehyde, the neural system of people being had a great impact, especially infant and elderly and infirm's harm are bigger, even cause serious disease.
Summary of the invention
It is an object of the invention to improve the environmental requirement of putty, it is provided that a kind of not containing the environment-friendly type inner wall putty powder of formaldehyde and putty paste and its preparation method.
In order to reach above-mentioned technique effect, the present invention takes following technical scheme:
A kind of environment-friendly type inner wall putty powder, comprises the component of following weight part: basic raw material: talcum powder 45-72 part, water-ground limestone 18-30 part, calcium-base bentonite 5-10 part, Xylo-Mucine 0.6-1.5 part, polyacrylamide 1-5 part, Natvosol 0.3-1.7 part;Auxiliary material: the weight part number of building gypsum plaster 0-20 part, carboxymethyl cellulose 0-0.8 part, ��-pre-gelatinized starch 0-8 part, Vltra tears 0-3 part, Sodium dodecylbenzene sulfonate is 0-0.5 part.
Further technical scheme is: the granularity of described talcum powder is more than 200 orders, as a part for filler, itself can improve the application property of slip, make putty be easy to scrape painting, increases surface flatness and reduces costs.
Further technical scheme is: the whiteness of described water-ground limestone is more than 80 degree, granularity is more than 200 orders, small product size can be increased as stopping composition, reduce costs, improve processing characteristics (such as adjusting viscosity, rheological property, fluidizing performance), reinforcement or half reinforcement.
Further technical scheme is: the granularity of described calcium-base bentonite is more than 200 orders, not only cheap, itself has stronger water-absorbent, and can improve putty intensity, also has thickening power, can improve the thixotropy of putty slurry.
Described Xylo-Mucine (tackiness agent) easily the moisture absorption, without smelly, can directly be dissolved in water. The aqueous solution has good viscosity, stability, protective colloid and film-forming properties, not easily corrupt mildew, stable under alkalescence and solutions of weak acidity, and cheap can collocation with carboxymethyl cellulose uses.
Further technical scheme is: described polyacrylamide is a kind of macromolecular compound, in an embodiment of the present invention, has the effect of flocculation, bonding, thickening, can strengthen putty resistance to cleavage further under neutrality and acidic conditions.
Described Natvosol (binding agent) is a kind of white or pale yellow powder, has good thickening, suspension, dispersion, emulsification, bonding, film forming, protection moisture and provides the characteristics such as protective colloid. Water retention capacity exceeds one times than methylcellulose gum, has good flow adjustment; It is worst that its dispersive ability compares dispersive ability with generally acknowledged methylcellulose gum and Vltra tears, but protective colloid ability is the strongest.
Further technical scheme is: described building gypsum plaster meets the requirement of GB9776-1988 standard, and granularity is more than 120 orders; Presetting period is no earlier than 6min, ultimate compression strength: be greater than 3MPa; Folding strength: be greater than 2MPa, in building gypsum plaster, the content of CaSO4 2H2O is less than 1%.
Described carboxymethyl cellulose or the superiority with ��-pre-gelatinized starch comprise thickening property, water-retentivity, metabolism inertia, film forming plasticity, dispersion stabilization etc., can be used as thickening material, tackiness agent, lubricant.
The water retention property of described Vltra tears makes slurry because of so dry that to chap too soon, can not strengthen the rear intensity of hardening after smearing.
Described Sodium dodecylbenzene sulfonate (permeate agent) is white powder, can strengthen the infiltration affinity of putty and matrix.
The preparation method of described environment-friendly type inner wall putty powder, comprise the following steps: the talcum powder taking 1/3 is placed in mixed stirring device, then according to weight part number by little to adding auxiliary material successively greatly, mix in advance after evenly, remaining talcum powder and other basic raw material is added by little successively to big again according to weight part number, after mixing, discharging after stirring 10��15min.
A kind of environment-friendly type inner wall putty paste, comprises the component of following weight part: basic raw material: talcum powder 45-72 part, water-ground limestone 18-30 part, calcium-base bentonite 5-10 part, Xylo-Mucine 0.6-1.5 part, polyacrylamide 1-5 part, Natvosol 0.3-1.7 part;Auxiliary material: the weight part number of building gypsum plaster 0-20 part, carboxymethyl cellulose 0-0.8 part, ��-pre-gelatinized starch 0-8 part, Vltra tears 0-3 part, Sodium dodecylbenzene sulfonate is 0-0.5 part; Water, above-mentioned solid ingredient gross weight 0.3��0.5 times.
In above-mentioned putty paste, the granularity of described talcum powder is more than 200 orders; The whiteness of described water-ground limestone is more than 80 degree, and granularity is more than 200 orders; The granularity of described calcium-base bentonite is more than 200 orders. Described building gypsum plaster meets the requirement of GB9776-1988 standard, and granularity is more than 120 orders; Presetting period is no earlier than 6min, ultimate compression strength: be greater than 3MPa; Folding strength: be greater than 2MPa, in building gypsum plaster, the content of CaSO4 2H2O is less than 1%. The preparation method of described environment-friendly type inner wall putty paste, comprise the following steps: the talcum powder taking 1/3 is placed in mixed stirring device, then according to weight part number by little to adding auxiliary material successively greatly, mix in advance after evenly, remaining talcum powder and other basic raw material is added by little successively to big again, after mixing, after stirring 10��15min according to weight part number, add water uniformly, discharging after stirring 10��15min.
Whether the difference of putty powder and putty paste is in component has water, and in putty paste, solid ingredient is consistent with component in putty powder, and putty powder is added water to stir by the preparation method of putty paste.
The present invention compared with prior art, has following useful effect:
(1) putty powder of the present invention and putty paste are white or grey, containing or only containing trace formaldehyde, contents of heavy metal elements is extremely low, belongs to environmental type product.
(2) putty powder of the present invention and putty paste have excellent shock-resistance, excellent hydrophobicity and water-repellancy, snappiness, good resistance to cleavage, shelf-stable and easily construct.
(3) to be applicable to indoor wall levelling for the putty powder of the present invention and putty paste, easily constructs; Drying shrinkage dimensional change is little, can fill up fine cracks; Exquisite in texture, flat once scraping.
(4) preparation method of the present invention only needs to mix component, and preparation method is easy.
Embodiment
Below in conjunction with embodiments of the invention, the invention will be further elaborated.
Embodiment 1
1. weigh basic raw material and auxiliary material respectively by the proportioning raw materials of setting, by weight, wherein basic raw material is: talcum powder 50 parts, water-ground limestone 25 parts, calcium-base bentonite 10 parts, Xylo-Mucine 1 part, Natvosol 0.5 part, polyacrylamide 4.9 parts; Auxiliary material is: ��-pre-gelatinized starch 8 parts, carboxymethyl cellulose 0.6 part.
2. measured talcum powder will be claimed according to a certain ratio to get about 1/3 and to be placed in mixed stirring device, then weight percent by little to adding auxiliary material successively greatly, pre-mixed evenly after again weight percent by little to adding basic raw material and remaining talcum powder successively greatly, be uniformly mixed in advance.
3. discharging after the material high-speed stirring 10��15min directly step 2 mixed, sends into finished bin, is finished product putty powder;
4. in solid liquid weight ratio 1:(0.3��0.5 in the putty powder of step 3) ratio evenly adds required water, discharging after high-speed stirring 10��15min, and send into finished bin, it is finished product putty paste.
Embodiment 2
1. weigh basic raw material and auxiliary material respectively by the proportioning raw materials of setting, by weight, wherein basic raw material is: talcum powder 60 parts, water-ground limestone 18 parts, calcium-base bentonite 6 parts, Xylo-Mucine 0.6 part, Natvosol 1 part, polyacrylamide 1.5 parts;Auxiliary material is: the weight part number of building gypsum plaster 12 parts, Sodium dodecylbenzene sulfonate is 0.5 part, carboxymethyl cellulose 0.4 part.
2. measured talcum powder will be claimed according to a certain ratio to get about 1/3 and to be placed in mixed stirring device, then weight percent by little to adding auxiliary material successively greatly, pre-mixed evenly after again weight percent by little to adding basic raw material and remaining talcum powder successively greatly, be uniformly mixed in advance.
3. discharging after material high-speed stirring 10��15min step 2 mixed, sends into finished bin;
4. powder step 3 produced is finished product putty powder after metering packing.
Embodiment 3
1. weigh basic raw material and auxiliary material respectively by the proportioning raw materials of setting, by weight, wherein basic raw material is: talcum powder 72 parts, water-ground limestone 10 parts, calcium-base bentonite 5 parts, Xylo-Mucine 0.6 part, Natvosol 0.3 part, polyacrylamide 1.3 parts; Auxiliary material is: building gypsum plaster 10 parts, ��-pre-gelatinized starch 0.3 part, Vltra tears 0.5 part.
2. treatment step 2��4 is identical with embodiment 2.
Embodiment 4:
1. weigh basic raw material and auxiliary material respectively by the proportioning raw materials of setting, by weight, wherein basic raw material is: talcum powder 47 parts, water-ground limestone 30 parts, calcium-base bentonite 10 parts, Xylo-Mucine 1 part, Natvosol 0.8 part, polyacrylamide 1.2 parts; Auxiliary material is: ��-pre-gelatinized starch 8 parts, Vltra tears 2 parts.
2. treatment step 2��4 is identical with embodiment 1.
Embodiment 5:
1. weigh basic raw material and auxiliary material respectively by the proportioning raw materials of setting, by weight, wherein basic raw material is: talcum powder 65 parts, water-ground limestone 20 parts, calcium-base bentonite 9 parts, polyacrylamide 1 part, Xylo-Mucine 1.5 parts, Natvosol 0.5 part; Auxiliary material is: ��-pre-gelatinized starch 2 parts, Vltra tears 1 part.
2. treatment step 2��4 is identical with embodiment 1.
Embodiment 6:
1. weigh basic raw material and auxiliary material respectively by the proportioning raw materials of setting, by weight, wherein basic raw material is: talcum powder 53 parts, water-ground limestone 23 parts, calcium-base bentonite 7 parts, polyacrylamide 5 parts, Natvosol 1.2 parts, Xylo-Mucine 1.5 parts; Auxiliary material is: the weight part number of ��-pre-gelatinized starch 6.8 parts, Vltra tears 2 parts, Sodium dodecylbenzene sulfonate is 0.5 part.
2. treatment step 2��4 is identical with embodiment 1.
The concrete effect of product of the present invention, comprises physical parameter and limit of harmful substance parameter, in table 1 and table 2.
Table 1 physical parameter
Table 2 limit of harmful substance parameter
Although invention has been described for the explanatory embodiment of reference the present invention here, above-described embodiment is only the present invention and preferably implements mode, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other amendment and enforcement mode, these amendments and enforcement mode will drop within spirit disclosed in the present application and spirit.
Claims (3)
1. an environment-friendly type inner wall putty powder, it is characterised in that comprise the component of following weight part:
Basic raw material: talcum powder 60 parts, water-ground limestone 18 parts, calcium-base bentonite 6 parts, Xylo-Mucine 0.6 part, Natvosol 1 part, polyacrylamide 1.5 parts;
Auxiliary material: the weight part number of building gypsum plaster 12 parts, Sodium dodecylbenzene sulfonate is 0.5 part, carboxymethyl cellulose 0.4 part;
The granularity of described talcum powder is more than 200 orders; The whiteness of described water-ground limestone is more than 80 degree, and granularity is more than 200 orders; The granularity of described calcium-base bentonite is more than 200 orders;
Described building gypsum plaster meets the requirement of GB9776-1988 standard, and granularity is more than 120 orders; Presetting period is no earlier than 6min, ultimate compression strength: be greater than 3MPa; Folding strength: be greater than 2MPa, CaSO in building gypsum plaster4��2H2The content of O is less than 1%.
2. an environment-friendly type inner wall putty powder, it is characterised in that comprise the component of following weight part:
Basic raw material: talcum powder 72 parts, water-ground limestone 10 parts, calcium-base bentonite 5 parts, Xylo-Mucine 0.6 part, Natvosol 0.3 part, polyacrylamide 1.3 parts;
Auxiliary material: building gypsum plaster 10 parts, ��-pre-gelatinized starch 0.3 part, Vltra tears 0.5 part;
The granularity of described talcum powder is more than 200 orders; The whiteness of described water-ground limestone is more than 80 degree, and granularity is more than 200 orders; The granularity of described calcium-base bentonite is more than 200 orders;
Described building gypsum plaster meets the requirement of GB9776-1988 standard, and granularity is more than 120 orders; Presetting period is no earlier than 6min, ultimate compression strength: be greater than 3MPa; Folding strength: be greater than 2MPa, CaSO in building gypsum plaster4��2H2The content of O is less than 1%.
3. an environment-friendly type inner wall putty paste, it is characterised in that comprise the component of following weight part:
Basic raw material: talcum powder 53 parts, water-ground limestone 23 parts, calcium-base bentonite 7 parts, Xylo-Mucine 1.5 parts, Natvosol 1.2 parts, polyacrylamide 5 parts;
Auxiliary material: the weight part number of ��-pre-gelatinized starch 6.8 parts, Vltra tears 2 parts, Sodium dodecylbenzene sulfonate is 0.5 part; Water, 0.3��0.5 times of above-mentioned solid ingredient gross weight;
The granularity of described talcum powder is more than 200 orders; The whiteness of described water-ground limestone is more than 80 degree, and granularity is more than 200 orders; The granularity of described calcium-base bentonite is more than 200 orders.
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