CN102719155A - High molecular waterproof coating and preparation method thereof - Google Patents
High molecular waterproof coating and preparation method thereof Download PDFInfo
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- CN102719155A CN102719155A CN2012101927928A CN201210192792A CN102719155A CN 102719155 A CN102719155 A CN 102719155A CN 2012101927928 A CN2012101927928 A CN 2012101927928A CN 201210192792 A CN201210192792 A CN 201210192792A CN 102719155 A CN102719155 A CN 102719155A
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Abstract
The invention relates to a waterproof coating, in particular to a high molecular waterproof coating and a preparation method thereof. The high molecular waterproof coating is prepared from a powder material and a liquid material in the weight ratio of (1-5):1, wherein the powder material comprises the following components in parts by weight: 0.1-5 parts of reactive polysiloxane compound, 1-5 parts of polypropylene chopped fiber, 10-50 parts of quartz powder, 30-70 parts of calcium carbonate and 1-15 parts of bentonite; and the liquid material comprises the following components in parts by weight: 30-80 parts of polyvinyl acetate emulsion, 0.5-5 parts of thickening agent, 0.5-5 parts of sterilizing agent, 0.1-3 parts of organic silicon antifoaming agent and 10-40 parts of water. The high molecular waterproof coating has the advantages of no pollution to human bodies and the environment, readily-available raw materials, low cost, easiness for preparing, convenience for construction, safety, environment friendliness, excellent physical property, strong bonding force, high extensibility, prevention of water and rust and the like, and can be applied to waterproofness of indoor and outdoor buildings.
Description
Technical field
The present invention relates to water-borne coatings, especially a kind of high molecular water-proof paint and preparation method thereof.
Background technology
Seamless waterproof is the global problem of building trade, and building trade water-proof material ubiquity commonly used high temperature trickling, low-temperature embrittleness, problems such as tensile strength is low, unit elongation is little, poor adhesive force at present.When being used for skin through rain drop erosion and moisture corrode be easy to just cause at short notice aging, dry and cracked, be out of shape, fracture, layering, not only influence attractive in appearancely, and have great potential safety hazard; When being used for interior architecture such as kitchen, bathroom etc., also exist constructional difficulties, seepage to take place frequently, can't effectively protect problems such as wall.No matter indoor or outdoor, want to guarantee neat and artisticly will often spend the rebuilding of doing over again of a large amount of manpower and materials, and people's productive life order has not only seriously been upset in frequent repairing, has more aggravated the weathering process of buildings, has further shortened work-ing life.On the other hand, solvent based coating (paint) formaldehyde commonly used is high with organic cpds (VOC) content, and regulator such as in use necessary adding Tianna solution, and environmental pollution is very big.People catch at numerous excellent functions multifunctional water-proof paints such as a kind of Jian loopful is protected, mechanical property is excellent, cohesive force is strong, ductility is good, and have launched extensive studies for this reason.
CN 102079918A discloses a kind of building water-proof paint, and it is following that it forms weight percent: Vinyl Acetate Copolymer 30-50, ethene-vinyl acetate polymkeric substance 20-30; Kaolin 6-10, film coalescence aid 0.5-2.5, coarse whiting 6-10; Dispersion agent 0.1-3; Skimmer 0.3-0.8, silicon sol 3-8, balance of deionized water.The building water-proof paint easy construction that this invention provides, with low cost, good leak-proof effect, shortcoming are high-low temperature resistant and chemical corrosion resistance inequality, and mechanical property is also poor.
CN 102108234A discloses a kind of colorful environment-friendly synthetic macromolecular waterproof coating, and its one-tenth by following weight part is grouped into: petroleum resin 3-7 part, SEBS 5-15 part, SBS 5-15 part; 510 parts of thermoplastic polyurethane elastomers, terpine resin 4-8 part, poly alpha methylstyrene 4-8 part; Tung oil 2-5 part, mica powder 10-15 part, antioxidant D 0.2-0.5 part; Antioxidant 264 0.2-0.5 part, skimmer 0.2-0.5 part, UV light absorber 0.3-0.5 part; 120# solvent 35-45 part, ethyl acetate 5-15 part, mill base 1-3 part.The colorful environment-friendly synthetic macromolecular waterproof coating of this invention has certain acid and alkali-resistance and uviolizing, heat insulation, anti-aging, and waterproof, anti-leakage performance, shortcoming are that the embrittlement phenomenon under the coldcondition is obvious, and tensile strength and elongation at break are lower.
CN 101838490A provides a kind of multiple-effect high-molecular water paint, and its composition proportion by subtraction by weight is: vinyl acetate polymkeric substance 51～59wt%, color stuffing 27～36wt%, additive 2.1～8.5wt%, surplus are deionized waters.The color stuffing component is white titanium pigment 9～12%, lime carbonate 5～6%, kaolin 4～7%, two change silica flours 9～11%.Binder component is that segmented copolymer 0.2～0.5%, acidic groups are because of interpolymer solution 0.3～2%, alkoxyl group non-ionic compound 0.1～1.5%, modified polyorganosiloxanes 0.1～0.3%, alkyl benzotriazole 0.2～1.3%, water-based adhesive agent 0.2～0.4%, alcohol ester 12～1.5%, sterilant 0.5～1%.This invention has waterproof, antirust, insulation, noise reduction and function such as colorful, and shortcoming is that physical and mechanical property is relatively poor.
Summary of the invention
The object of the invention is; Overcome the deficiency of prior art; Provide a kind of for human body and all free of contamination high molecular water-proof paint of environment; Its raw material is easy to get, with low cost, make simple, easy construction, numerous excellent functions such as Jian loopful is protected, mechanical property is excellent, cohesive force is strong, good-extensibility, waterproof are antirust, indoor, outdoor architecture thing waterproof all can be used.Another object of the present invention is to provide the preparation method of this high molecular water-proof paint.
For achieving the above object, the present invention adopts following technical scheme:
A kind of high molecular water-proof paint, by powder and liquid material according to 1-5: 1 weight proportion forms, for example 1: 1,1.5: 1,2: 1,2.2: 1,3: 1,3.9: 1,4: 1,4.6: 1,5: 1.Preferably by powder and liquid material according to 1-4: 1 weight proportion forms, further preferably by powder and liquid material according to 1-3: 1 weight proportion forms.
Said powder comprises following component according to parts by weight: reactive polysiloxane compound 0.1-5, polypropene staple 1-5, silica powder 10-50, lime carbonate 30-70, wilkinite 1-15.
Said reactive polysiloxane compound gets final product so long as can form the ZGK 5 resinoid of rubber-like elasticity film, can use known any, wherein, preferred hydroxylation polydiorganosiloxane.Organic radical for containing in the hydroxylation polydiorganosiloxane does not have particular restriction, but aliphatics or aromatic series monovalence alkyl below the preferred C7.As the concrete example of the monovalence alkyl below the C7, can enumerate methyl, ethyl, butyl, hexyl, phenyl etc.Preferably, at least 50% of organic radical sum be methyl in its molecule of hydroxylation polydiorganosiloxane.Preferably; The weight-average molecular weight of hydroxylation polydiorganosiloxane (to call Mw in the following text) is more than 5000; Further be preferably 30000-1000000; For example 30000-50000,35000-120000,40000-90000,40001-300000,256791-500000,170000-687914,499999-700000,620500-840000,750000-1000000,30000,45000,80000,102000,150000,265050,374000,461005,567890,650178,789987,800000,970000,1000000; In preferred numerical range, can obtain best ductility and elongation at break, and emulsifying stability is good, bonding force is strong.
Reactive polysiloxane compound can use a kind or with more than 2 kinds and use separately.Reactive polysiloxane compound preferably uses with the form of emulsification.The emulsification of said reactive polysiloxane compound can be according to known method, carries out emulsion polymerization or makes through in reactive polysiloxane compound, adding emulsifying agent through in reactive polysiloxane compound monomer, adding emulsifying agent.Said emulsifying agent, can suitably select AS, nonionogenic tenside, cats product etc. a kind or 2 kinds with on use.The addition of said emulsifying agent does not have particular restriction, is 1-5 weight % with respect to the emulsion reaction system preferably, emulsification good stability that in this scope, obtains and the easy Elastic Film that forms, further preferred 2-3 weight %.
The parts by weight of said reactive polysiloxane compound are 0.1-5; It can realize best fiting effect with urethane and Z 150PH in this scope, for example can be 0.1-0.5,0.2-0.85,0.3-1.05,0.4-1,0.5-0.9,0.65-2,0.7-4.0,0.9-3.5,1.5-2.6,2.2-3.3,3-4.5,4.35-5,0.1,0.25,0.6,0.98,1.12,1.85,2.43,3.67,4,4.5,4.9,5; Be preferably 0.5-3; Further be preferably 1-2.
Among the present invention, more tough for the Elastic Film that said reactive polysiloxane compound is formed, also can in reactive polysiloxane compound or its emulsification, add more than a kind or 2 kinds of colloid silica, linking agent, curing catalysts etc.As colloid silica, can enumerate aqueous colloidal silicon-dioxide with stabilizations such as sodium ion with 0.001-0.05 μ m particle diameter.As linking agent, can enumerate organoalkoxysilane, hydrogenated methyl diene ZGK 5.As curing catalysts, can enumerate metal fatty acid salt, organo-peroxide, inorganic peroxide of reactive polysiloxane compound depolymerization etc. not being had dysgenic dialkyl tin two acylate representatives etc.
Said polypropene staple can improve splitting resistance, impermeability, anti-impact mill property, freezing tolerance, the antiknock ability of mortar/concrete well and improve concrete workability.Number is evenly distributed in the mortar/concrete in polypropene staple necessarily; Play good little arrangement of reinforcement effect; The globality that has kept structure so well is dispersed into many fragments when having avoided structure to receive impact fracture, prevented the corrosion of reinforcing bar in the structure; Therefore can increase the service life greatly, reduce maintenance cost.Preferably, used polypropene staple length is 6mm or 9mm among the present invention.
The parts by weight of said polypropene staple are 1-5, for example can be 1-1.5,1.2-1.3,1.25-1.95,1.9-2.5,2-3,2.1-4.2,2.5-4.0,2.75-4.5,3-4.1,4-4.6,3.5-5,4.5-5,1,1.06,1.12,2.85,3.45,3.6,3.9,4.3,4.5,4.9,5; Be preferably 1.5-4.5; Further be preferably 2-4.
The granularity of said silica powder for example can be 0.05-0.1,0.065-0.15,0.09-0.2,0.13-0.35,0.15-0.3,0.2-0.45,0.18-0.5,0.25-0.49,0.05,0.1,0.12,0.16,0.22,0.27,0.34,0.36,0.41,0.47,0.5 preferably at 0.05-0.5mm; Preferred 0.1-0.4mm; Further preferred 0.1-0.2mm.
The parts by weight of said silica powder are 10-50, for example can be 10-15,12-25,15-20,18-30,16-40,24-35,25-41,26-39,28-45,32-50,10,11,17,23,27.5,33,36,40.5,44,49,50; Preferred 15-40; Further preferred 20-30.
The parts by weight of said lime carbonate are 30-70, for example can be 30-45,34-50,35-40,39-57,42-60,45-55,46-65,48.5-63,51-69,58-70,55-65,60-62,30,32,36.5,43,44,47.1,53,56,60,64,66,68,68.5,70; Preferred 35-65; Further preferred 40-60.
Said bentonitic parts by weight are 1-15, for example can be 1-5,2-8,3.5-10,4-6,5-15,8-12,7-13,9-11,10-15,1,2,3,4,5,6,7,8,9,10,11,12,13,14.5,15; Preferred 2-12; Further preferred 5-10.
Said liquid material comprises following component according to parts by weight: polyvinylacetate emulsion 30-80, thickening material 0.5-5, sterilant 0.5-5, silicone antifoam agent 0.1-3, water 10-40.
Said polyvinylacetate emulsion bounding force is strong, good stability, and resistance to deterioration is good, constructs easily and is destitute of smell.The preferred 30-60% of its solids content for example can be 30-35%, 32.5-40%, 34-45%, 37-50%, 38-55%, 39-53%, 44-59.5%, 45-59%, 45.5-60%, 47-58%, 55-55%; Further be preferably 35-55%; Most preferably be 50%.
The parts by weight of said polyvinylacetate emulsion are 30-80, for example can be 30-50,35-40,38-55,42-60,45-75,47-70,49-65,52-80,60-76,30,31,34,37.5,40.6,43,44.5,46,47.4,50,58,64,66,72.3,77,80; Preferred 40-70; Further preferred 45-65.
Said thickening material is to use for the film forming characteristics that improves high-molecular water paint of the present invention; Can use various known thickening materials; For example, polymerization oils, THIXCIN, metallic soap class (especially soap classes such as aluminium, lead, rare earth class, calcium, zinc), dimerization acids, HMP such as high polymerized linseed oil got the alkali salt of polyethylene kind, inorganic tackifier (silicon-dioxide etc.), brown alga acids, derivatived cellulose, polyacrylic ester and Rohm tech inc beyond the ethylene waxes etc.Thickening material can use a kind separately perhaps with also using more than 2 kinds.
The parts by weight of said thickening material are 0.5-5, for example 0.5-1.5,0.55-0.65,0.6-0.9,0.7-0.95,0.5-1,0.7-2.5,0.6-3.8,1.75-1.9,2.8-3.8,2.9-4,1.25-3.65,2-5,3.5-4.5,3.95-4.45,0.5,0.75,0.85,0.96,1.6,1.73,2.89,3.05,3.2,3.41,4.55,4.78,4.8,5; Be preferably 1-4; Further be preferably 2-3.
The parts by weight of said sterilant are 0.5-5, for example can be 0.5-1.4,0.55-0.75,0.65-0.92,0.71-0.95,0.5-1.9,0.7-2.6,0.6-4.8,1.75-1.9,2.85-3,2.9-4,1.05-3.6,2-4.5,3.5-4.4,3-4.45,0.5,0.65,0.8,0.93,1.2,1.65,2.8,3.66,3.8,4.11,4.27,4.7,4.9,5; Be preferably 1-4; Further be preferably 2-3.
The parts by weight of said silicone antifoam agent are 0.1-3, for example can be 0.1-0.5,0.15-1,0.2-0.9,0.5-2,0.75-3,0.8-2.5,1-2.9,1.5-2.5,1.8-2,1.95-2.6,2.1-3,0.1,0.3,0.4,0.55,0.67,0.98,1.25,1.4,1.6,1.9,2.2,2.75,3; Be preferably 0.5-2.5; Further be preferably 1-2.
The parts by weight of said water are 10-40, for example can be 10-30,14-20,15-25,16.5-22,17.75-23,20-35,25-40,23-33,28-39,30-40,35-40,010,12,16,19.55,20,24,27,29,30,31.7,33,36,39.5,40; Be preferably 15-35; Further be preferably 20-30.
" comprising following component " of the present invention, mean it except that said component, can also comprise other components, these other components are given said carton waterproof paint different characteristic.In addition, " comprising following component " of the present invention, can also replace with enclosed " being " or " by ... process ".
A kind of preparation method of high molecular water-proof paint may further comprise the steps:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, under high-speed stirring, disperseed;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, stirred, be cooled to room temperature and promptly get.
The speed that said step (1) high speed stirs is preferably 500-900rpm, for example can be 500rpm, 520rpm, 565rpm, 590rpm, 600rpm, 630rpm, 650rpm, 670rpm, 700rpm, 705rpm, 723rpm, 740rpm, 750rpm, 785rpm, 795rpm, 800rpm, 810rpm, 840rpm, 850rpm, 860rpm, 870rpm, 880rpm, 890rpm, 900rpm; Further be preferably 600-800rpm; Most preferably be 700rpm.Churning time is 30-60min, for example can be 30,35,40,45,50,55,60min; Be preferably 35-55min, further be preferably 40-50min.。
Stir speed (S.S.) is preferably 100-300rpm in the said step (2), for example can be 100rpm, 110rpm, 120rpm, 135rpm, 142rpm, 153rpm, 160rpm, 175rpm, 184rpm, 197rpm, 200rpm, 210rpm, 220rpm, 228rpm, 236rpm, 245rpm, 250rpm, 260rpm, 271rpm, 288rpm, 299rpm, 300rpm; Further be preferably 150-250rpm; Most preferably be 200rpm.Churning time is 1-5 hour, for example can be 1,1.1,1.3,1.4,1.6,1.7,1.9,2,2.1,2.2,2.4,2.5,2.8,3,3.15,3.5,3.65,3.08,4,4.2,4.3,4.5,4.75,4.8,4.9,5 hour; Be preferably 1.5-4 hour; Further be preferably 1.5-3 hour.
A kind of preparation method of high molecular water-proof paint may further comprise the steps after the optimization of process conditions:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, disperseed 30-60min under the high-speed stirring under the speed of 500-900rpm;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, under the speed of 100-300rpm, evenly stirred 1-5 hour, be cooled to room temperature and promptly get.
A kind of preparation method of high molecular water-proof paint, processing condition may further comprise the steps after further optimizing:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, disperseed 35-55min under the high-speed stirring under the speed of 600-800rpm;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, under the speed of 150-250rpm, evenly stirred 1.5-4 hour, be cooled to room temperature and promptly get.
A kind of preparation method of high molecular water-proof paint, its optimum technology may further comprise the steps:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, disperseed 40-50min under the high-speed stirring under the speed of 700rpm;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, under the speed of 200rpm, evenly stirred 1.5-3 hour, be cooled to room temperature and promptly get.
The construction technology of high molecular water-proof paint of the present invention is:
(1) handles substrate surface, to smooth, firm, clean, no dusting, peeling, greasy dirt and seeping phenomenon;
(2) high molecular water-proof paint of the present invention is coated on substrate surface, thickness 0.5-1mm for the first time equably;
(3) treat to carry out applying the second time after dried solid tack-free (5-6 hour pitch time), the brushing direction is vertical with the first time, thickness 0.5-1mm;
When (4) construct hot summer, earlier base material is used water-wet.
Compared with prior art, the present invention has following beneficial effect:
1, ageing-resistant performance is good, stable performance under ultraviolet ray, heat, light, oxygen effect, material long service life;
2, cohesive force is strong, is that base material all can be constructed with cement, glass, pottery, asbestos tile, plastics, metal etc., and especially the bonding strength with the cement basal plane can reach more than the 1.0MPa;
3, good extending performance, unit elongation are up to more than 320%, and resistance to cleavage is excellent;
4, be prone to film forming, non-foaming, workability is good;
5, raw material be easy to get, with low cost, technology is easy, safety and environmental protection, human body and environment are not polluted.
Down in the face of further explain of the present invention.But following instance only is a simple and easy example of the present invention, does not represent or limits rights protection scope of the present invention, and interest field of the present invention is as the criterion with claims.
Embodiment
For the present invention is described better, be convenient to understand technical scheme of the present invention, typical case of the present invention but non-restrictive example is following:
Embodiment 1:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 0.1, polypropene staple 1, silica powder 10, lime carbonate 30, wilkinite 1;
Liquid material: polyvinylacetate emulsion 30, thickening material 0.5, sterilant 0.5, silicone antifoam agent 0.1, water 10;
Powder: liquid material=1: 1;
Earlier powder is put into and disperseed disperseing 60min under the high-speed stirring under the speed of 500rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 100rpm, evenly to stir 5 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: 1.0Mpa;
Unit elongation: 310%;
Watertightness (30min): 0.32Mpa;
Thermal stability: 105 ℃.
Embodiment 2:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 5, polypropene staple 5, silica powder 50, lime carbonate 70, wilkinite 15;
Liquid material: polyvinylacetate emulsion 80, thickening material 5, sterilant 5, silicone antifoam agent 3, water 40;
Powder: liquid material=2: 1;
Earlier powder is put into and disperseed disperseing 60min under the high-speed stirring under the speed of 500rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 300rpm, evenly to stir 1 hour in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: 1.1Mpa;
Unit elongation: 312%;
Watertightness (30min): 0.31Mpa;
Thermal stability: 110 ℃.
Embodiment 3:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 2, polypropene staple 3, silica powder 25, lime carbonate 50, wilkinite 10;
Liquid material: polyvinylacetate emulsion 55, thickening material 3, sterilant 3, silicone antifoam agent 1, water 30;
Powder: liquid material=3: 1;
Earlier powder is put into and disperseed disperseing 50min under the high-speed stirring under the speed of 600rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 150rpm, evenly to stir 2 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: 1.05Mpa;
Unit elongation: 320%;
Watertightness (30min): 0.33Mpa;
Thermal stability: 106 ℃.
Embodiment 4:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 4, polypropene staple 2, silica powder 35, lime carbonate 54, wilkinite 7;
Liquid material: polyvinylacetate emulsion 60, thickening material 2.5, sterilant 2.5, silicone antifoam agent 1.5, water 25;
Powder: liquid material=4: 1;
Earlier powder is put into and disperseed disperseing 40min under the high-speed stirring under the speed of 800rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 250rpm, evenly to stir 1.5 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: >=1.12Mpa;
Unit elongation: 308%;
Watertightness (30min): 0.35Mpa;
Thermal stability: 109 ℃.
Embodiment 5:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 3, polypropene staple 1.5, silica powder 20, lime carbonate 45, wilkinite 12;
Liquid material: polyvinylacetate emulsion 55, thickening material 1, sterilant 1, silicone antifoam agent 1, water 35;
Powder: liquid material=5: 1;
Earlier powder is put into and disperseed disperseing 35min under the high-speed stirring under the speed of 750rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 220rpm, evenly to stir 2 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: 1.15Mpa;
Unit elongation: 315%;
Watertightness (30min): 0.3Mpa;
Thermal stability: 108 ℃.
Embodiment 6:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 0.5, polypropene staple 1.5, silica powder 20, lime carbonate 35, wilkinite 4;
Liquid material: polyvinylacetate emulsion 55, thickening material 2, sterilant 2, silicone antifoam agent 1.5, water 25;
Powder: liquid material=1.5: 1;
Earlier powder is put into and disperseed disperseing 55min under the high-speed stirring under the speed of 550rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 120rpm, evenly to stir 4.5 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: 1.17Mpa;
Unit elongation: 316%;
Watertightness (30min): 0.36Mpa;
Thermal stability: 107 ℃.
Embodiment 7:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 4.5, polypropene staple 3, silica powder 35, lime carbonate 55, wilkinite 6;
Liquid material: polyvinylacetate emulsion 70, thickening material 2, sterilant 1.5, silicone antifoam agent 1, water 30;
Powder: liquid material=2.5: 1;
Earlier powder is put into and disperseed disperseing 30min under the high-speed stirring under the speed of 850rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 280rpm, evenly to stir 1.5 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: 1.06Mpa;
Unit elongation: 313%;
Watertightness (30min): 0.34Mpa;
Thermal stability: 104 ℃.
Embodiment 8:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 3.5, polypropene staple 1.5, silica powder 25, lime carbonate 50, wilkinite 12;
Liquid material: polyvinylacetate emulsion 75, thickening material 4, sterilant 3, silicone antifoam agent 2, water 15;
Powder: liquid material=3.5: 1;
Earlier powder is put into and disperseed disperseing 45min under the high-speed stirring under the speed of 650rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 160rpm, evenly to stir 3 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: >=1.11Mpa;
Unit elongation: >=323%;
Watertightness (30min): >=0.35Mpa;
Thermal stability: 110 ℃.
Embodiment 9:
Be equipped with raw material according to following weight part:
Powder: reactive polysiloxane compound 3.2, polypropene staple 1.3, silica powder 24, lime carbonate 48, wilkinite 9;
Liquid material: polyvinylacetate emulsion 76, thickening material 1.5, sterilant 1, silicone antifoam agent 0.5, water 25;
Powder: liquid material=4.5: 1;
Earlier powder is put into and disperseed disperseing 40min under the high-speed stirring under the speed of 630rpm in the cylinder;
Again the liquid material is put into and disperseed under the speed of 190rpm, evenly to stir 2 hours in the cylinder, be cooled to room temperature and promptly get.
The product that present embodiment is obtained carries out performance test, and the result is following:
Bonding strength with cement: 1.14Mpa;
Unit elongation: 320%;
Watertightness (30min): 0.32Mpa;
Thermal stability: 113 ℃.
Applicant's statement, the present invention explains proportioning raw materials of the present invention and preparation process through the foregoing description, but the present invention is not limited to said ratio and preparation process, does not mean that promptly the present invention must rely on above-mentioned preparation process and could implement.The person of ordinary skill in the field should understand, and to any improvement of the present invention, to the interpolation of the equivalence replacement of raw material that the present invention selects for use and ancillary component, the selection of concrete mode etc., all drops within protection scope of the present invention and the open scope.
Claims (10)
1. a high molecular water-proof paint is characterized in that, by powder and liquid material according to 1-5: 1 weight proportion forms; Said powder comprises following component according to parts by weight: reactive polysiloxane compound 0.1-5, polypropene staple 1-5, silica powder 10-50, lime carbonate 30-70, wilkinite 1-15; Said liquid material comprises following component according to parts by weight: polyvinylacetate emulsion 30-80, thickening material 0.5-5, sterilant 0.5-5, silicone antifoam agent 0.1-3, water 10-40.
2. high molecular water-proof paint according to claim 1 is characterized in that, by powder and liquid material according to 1-4: 1 weight proportion forms; Said powder comprises following component according to parts by weight: reactive polysiloxane compound 0.5-3, polypropene staple 1.5-4.5, silica powder 15-40, lime carbonate 35-65, wilkinite 2-12; Said liquid material comprises following component according to parts by weight: polyvinylacetate emulsion 40-70, thickening material 1-4, sterilant 1-4, silicone antifoam agent 0.5-2.5, water 15-35;
Preferably, said high molecular water-proof paint by powder and liquid material according to 1-3: 1 weight proportion forms; Said powder comprises following component according to parts by weight: reactive polysiloxane compound 1-2, polypropene staple 2-4, silica powder 20-30, lime carbonate 40-60, wilkinite 5-10; Said liquid material comprises following component according to parts by weight: polyvinylacetate emulsion 45-65, thickening material 2-3, sterilant 2-3, silicone antifoam agent 1-2, water 20-30.
3. high molecular water-proof paint according to claim 1 and 2 is characterized in that, said reactive polysiloxane compound is the hydroxylation polydiorganosiloxane;
Preferably, the organic radical that contains in the said hydroxylation polydiorganosiloxane is aliphatics or the aromatic series monovalence alkyl below the C7;
Further preferably, containing at least 50% of organic radical sum in the said hydroxylation polydiorganosiloxane is methyl;
More preferably, the weight-average molecular weight in the said hydroxylation polydiorganosiloxane (to call Mw in the following text) further is preferably 30000-1000000 more than 5000.
4. according to the described high molecular water-proof paint of one of claim 1-3, it is characterized in that the length of said polypropene staple is 6mm or 9mm;
Preferably, the granularity of said silica powder is 0.05-0.5mm; Preferred 0.1-0.4mm; Further preferred 0.1-0.2mm.
5. according to the described high molecular water-proof paint of one of claim 1-4, it is characterized in that the solids content of said polyvinylacetate emulsion is 30-60%; Be preferably 35-55%; Further be preferably 50%.
6. according to the described high molecular water-proof paint of one of claim 1-5; It is characterized in that said tackifier are that polymerization oils, THIXCIN, metallic soap class (especially soap classes such as aluminium, lead, rare earth class, calcium, zinc), dimerization acids, HMP such as high polymerized linseed oil are got a kind or at least 2 kinds mixture in the alkali salt of polyethylene kind, inorganic tackifier (wilkinite, silicon-dioxide etc.), brown alga acids, derivatived cellulose, polyacrylic ester and Rohm tech inc beyond the ethylene waxes.
7. according to the preparation method of one of claim 1-6 described high molecular water-proof paint, it is characterized in that, comprise the steps:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, under high-speed stirring, disperseed;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, stirred, be cooled to room temperature and promptly get.
8. the preparation method of high molecular water-proof paint according to claim 7 is characterized in that, comprises the steps:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, disperseed 30-60min under the high-speed stirring under the speed of 500-900rpm;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, under the speed of 100-300rpm, evenly stirred 1-5 hour, be cooled to room temperature and promptly get.
9. the preparation method of high molecular water-proof paint according to claim 8 is characterized in that, comprises the steps:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, disperseed 35-55min under the high-speed stirring under the speed of 600-800rpm;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, under the speed of 150-250rpm, evenly stirred 1.5-4 hour, be cooled to room temperature and promptly get.
10. the preparation method of high molecular water-proof paint according to claim 9 is characterized in that, comprises the steps:
(1) earlier said powder is put in the dispersion cylinder according to the ratio in the prescription, disperseed 40-50min under the high-speed stirring under the speed of 700rpm;
(2) more said liquid material is put in the dispersion cylinder according to the ratio in the prescription, under the speed of 200rpm, evenly stirred 1.5-3 hour, be cooled to room temperature and promptly get.
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| CN104073034A (en) * | 2014-07-09 | 2014-10-01 | 杭州鼎升机械有限公司 | Improved preparation method of paint applied to internal surface of oil tank |
| CN105623479A (en) * | 2014-11-03 | 2016-06-01 | 中泰致远(天津)涂料有限公司 | Environment friendly water-borne coating material |
| CN104530970A (en) * | 2014-12-24 | 2015-04-22 | 常熟市亨达电子器材厂 | Touch spraying dust-removal device for mines |
| CN105111802A (en) * | 2015-09-07 | 2015-12-02 | 无锡市嘉邦电力管道厂 | Multicolor environment-friendly high-polymer water-resistant paint, and preparation method and application thereof |
| CN105218022A (en) * | 2015-09-24 | 2016-01-06 | 天长市金牛防水防腐材料有限公司 | A kind of high-effective water-proof cement-based material |
| CN105236892A (en) * | 2015-09-24 | 2016-01-13 | 天长市金牛防水防腐材料有限公司 | Good-water-resistance cement-based material |
| CN105220467A (en) * | 2015-10-20 | 2016-01-06 | 湖州博润实业有限公司 | A kind of novel textile material waterproofing agent and preparation method thereof |
| CN105971131A (en) * | 2016-06-01 | 2016-09-28 | 上海尤卉防水工程有限公司 | Environment-friendly waterproof construction method |
| CN107418406A (en) * | 2017-04-17 | 2017-12-01 | 江苏道勤新材料科技有限公司 | A kind of high molecular water-proof paint |
| CN107555918A (en) * | 2017-08-21 | 2018-01-09 | 北京大津硅藻新材料股份有限公司 | A kind of polymer cement mortar and preparation method thereof and construction method |
| CN107629494A (en) * | 2017-09-22 | 2018-01-26 | 江苏昶浩建材有限公司 | A kind of preparation method of high molecular water-proof paint |
| CN107628782A (en) * | 2017-09-22 | 2018-01-26 | 江苏昶浩建材有限公司 | A kind of preparation method for the composite fire-proof material being used in building |
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| CN107663059A (en) * | 2017-09-22 | 2018-02-06 | 江苏昶浩建材有限公司 | A kind of processing technology of heat-barrier material for external wall |
| CN107841158A (en) * | 2017-09-22 | 2018-03-27 | 江苏昶浩建材有限公司 | A kind of high molecular water-proof paint |
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