CN109370322A - A kind of single polymer water-repellent paint - Google Patents
A kind of single polymer water-repellent paint Download PDFInfo
- Publication number
- CN109370322A CN109370322A CN201811434287.3A CN201811434287A CN109370322A CN 109370322 A CN109370322 A CN 109370322A CN 201811434287 A CN201811434287 A CN 201811434287A CN 109370322 A CN109370322 A CN 109370322A
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- Prior art keywords
- water
- parts
- repellent paint
- single polymer
- rubber powder
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- 239000003973 paint Substances 0.000 title claims abstract description 52
- 239000005871 repellent Substances 0.000 title claims abstract description 48
- 229920000642 polymer Polymers 0.000 title claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 50
- 229920001971 elastomer Polymers 0.000 claims abstract description 37
- 239000004576 sand Substances 0.000 claims abstract description 28
- 229920001577 copolymer Polymers 0.000 claims abstract description 20
- 241000276489 Merlangius merlangus Species 0.000 claims abstract description 18
- 239000011398 Portland cement Substances 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 17
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 15
- 229920003086 cellulose ether Polymers 0.000 claims abstract description 14
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 35
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 15
- 230000009477 glass transition Effects 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 9
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 7
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 7
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 7
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical group OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 7
- 229920002126 Acrylic acid copolymer Polymers 0.000 claims description 6
- 235000013312 flour Nutrition 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- HDERJYVLTPVNRI-UHFFFAOYSA-N ethene;ethenyl acetate Chemical compound C=C.CC(=O)OC=C HDERJYVLTPVNRI-UHFFFAOYSA-N 0.000 claims 1
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical compound CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 30
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract description 15
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 abstract description 15
- 238000010276 construction Methods 0.000 abstract description 11
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 230000032258 transport Effects 0.000 abstract description 4
- 238000005138 cryopreservation Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 239000011248 coating agent Substances 0.000 description 15
- 238000000576 coating method Methods 0.000 description 15
- 239000004568 cement Substances 0.000 description 13
- 150000007513 acids Chemical class 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000010410 layer Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 239000004816 latex Substances 0.000 description 4
- 229920000126 latex Polymers 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011344 liquid material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000011414 polymer cement Substances 0.000 description 2
- 238000007761 roller coating Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- -1 siloxanes Chemical class 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of single polymer water-repellent paint, which is mixed by the raw material components of following mass fraction: 60~80 parts of ordinary portland cement, washing 150~200 parts of river sand, 220~300 parts of coarse whiting, 220~260 parts of ethylene-vinyl acetate copolymer rubber powder, 220~260 parts of acrylate copolymer rubber powder, 0.6~1.5 part of cellulose ether, 0.1~0.8 part of water-reducing agent, 0.8~1.5 part of defoaming agent.The present invention has packaging simple, transports convenient storage, is particularly suitable for the outstanding feature of long-time cryo-conservation, while material also has convenient and quick construction, high with base adhesion strength, breaking strength height and the good feature of ductility.Tensile strength >=2.5MPa of water-repellent paint of the present invention, elongation at break >=108%, impermeability (back side) >=0.8MPa, far more than Industry code requirements.
Description
Technical field
The invention belongs to the technical fields of construction material, and in particular to a kind of single polymer water-repellent paint.
Technical background
Polymer waterproof coating material is a kind of functional architectural waterproof material, is mainly used in newly-built and existing building kitchen
Between defending and the waterproof at the non-structural position of basement.Common material is substantially based on two-component currently on the market, i.e., a kind of powder
The independent packaging of material and a kind of independent packaging of liquid material are mixed evenly according to a certain percentage both when use.This material
Maximum feature be it is low in cost, easy to use, but will cause certain wasting of resources, such as discarded packing material is more, causes
Environmental pollution.On the other hand, the material of this form is restricted strong in low temperature extremely frigid zones, unfavorable transport and storage, this be because
The damage that will cause liquid material part for low temperature loses original performance.Single polymer water-repellent paint is exactly to make up this
The waterproof material that one deficiency is researched and developed.
Single polymer water-repellent paint has packaging simple, transports convenient storage, is particularly suitable for long-time cryo-conservation
Outstanding feature, while material also has convenient and quick construction, and high with base adhesion strength, breaking strength height and ductility are good
Feature.Therefore, a kind of regenerated aggregate concrete haveing excellent performance is studied, is had great importance.
Summary of the invention
In order to solve the above technical problems, the purpose of the present invention is to provide one kind to store in severe cold area, and each side
The performance indicator in face can reach the one-component waterproof of technical requirements in " GB/T 23445-2009 polymer cement waterproof paint "
Coating.
Specifically, single polymer water-repellent paint of the invention is mixed by the raw material components of following mass fraction:
60~80 parts of ordinary portland cement, washing 150~200 parts of river sand, 220~300 parts of coarse whiting, ethylene-vinyl acetate copolymer
220~260 parts of rubber powder, 220~260 parts of acrylate copolymer rubber powder, 0.6~1.5 part of cellulose ether, water-reducing agent 0.1~0.8
Part, 0.8~1.5 part of defoaming agent.All of above material is dry powder.
Single polymer water-repellent paint of the invention, using ordinary portland cement as inorganic coagulation material, with copolymer
Latex powder is organic binding material, tensile strength, the ethylene-vinyl acetate copolymer rubber powder offer flexibility provided using cement
And the performances such as water resistance of acrylate copolymer rubber powder offer, reach water proof anti-seepage while realizing material flexibility
Effect.Since all material is powder body material, the danger of no low temperature freezing-disaster.It, can be low under the storage condition of no dampness
Temperature lower storage 6 months or more.
Further, the ordinary portland cement is PO42.5 grades or 52.5 grades.
Further, the mesh number of the coarse whiting is 400 mesh.
Further, the washing river sand is 100~200 mesh continuous grading sand, or the silica flour for 200~400 mesh.
Further, the glass transition temperature of the ethylene-vinyl acetate copolymer rubber powder is -4 DEG C~-6 DEG C.
Further, the acrylate copolymer rubber powder is organic siloxane modified pure acrylic acid copolymer, glass
Changing transition temperature is -5 DEG C~-7 DEG C.
Further, the cellulose ether is hydroxypropyl methyl cellulose ether, and viscosity is 10000~30000mPas.
Further, the water-reducing agent is polycarboxylic acids dehydragent.The water-reducing rate of polycarboxylic acids dehydragent is not less than 24%.
The invention has the benefit that
(1) present invention has packaging simple, transports convenient storage, is particularly suitable for the outstanding feature of long-time cryo-conservation,
Material also has convenient and quick construction simultaneously, high with base adhesion strength, breaking strength height and the good feature of ductility.
(2) tensile strength >=2.5MPa of water-repellent paint of the present invention, elongation at break >=108%, impervious (back side)
>=0.8MPa fully meets polymer waterproof coating material II type construction reference far more than Industry code requirements.
Specific embodiment
Technical solution of the present invention is illustrated to be clearer, below in conjunction with specific embodiment to skill of the invention
Art scheme is further elaborated:
In a specific embodiment of the invention, the present invention provides a kind of single polymer water-repellent paint,
The water-repellent paint is mixed by the raw material components of following mass fraction: 60~80 parts of ordinary portland cement, washing river sand 150
~200 parts, 220~300 parts of coarse whiting, 220~260 parts of ethylene-vinyl acetate copolymer rubber powder, acrylate copolymer rubber powder
220~260 parts, 0.6~1.5 part of cellulose ether, 0.1~0.8 part of water-reducing agent, 0.8~1.5 part of defoaming agent.All of above material
It is dry powder.
Water-repellent paint main component of the present invention is polymer redispersable latex powder and cement isogel material, such waterproof
Coating has both cement-based material rigidity and the flexible advantage of macromolecule, the membrane waterproofing formed after coating often compactness it is high,
Cohesive force is strong, can satisfy different engineerings to coating strength and flexible requirement.
Further, the ordinary portland cement is PO42.5 grades or 52.5 grades.Water-repellent paint of the invention is with common
Portland cement is major gelled material, and hardened paste, water in microcosmic point are formed after hydration reaction after cement and water mix
Change the filming function between product by latex powder, is cross-linked to each other to form fine and close reticular structure, improves the rigidity of cement, be anti-
Water paint provides certain flexibility, splitting resistance and waterproofness.
Further, the mesh number of the coarse whiting is 400 mesh.The mesh number of the coarse whiting is 400 mesh, as packing material coarse whiting
Have the function of filling gap, package sand grain surface, reduce internal resistance between aggregate, is conducive to the workability for improving water-repellent paint,
Compactness is improved, makes water-repellent paint that there is better cold-hot cyclicity.
Further, the washing river sand is 100~200 mesh continuous grading sand, or the silica flour for 200~400 mesh.Institute
Stating washing river sand is 100~200 mesh continuous grading sand, as main packing material particles of natural sand close to spherical, has and " rolls
Pearl " effect, and the surface to volume ratio of spheric granules is smaller, cement slurry needed for enwrapped granule is less；In addition, different rulers
Very little washing river sand cooperates each other, can obtain higher bulk density.
Further, the glass transition temperature of the ethylene-vinyl acetate copolymer rubber powder is -4 DEG C~-6 DEG C.The second
Alkene-acetate ethylene copolymer rubber powder belongs to flexible rubber powder range.Hardened paste is formed after cement material aquation, inside hardened paste
Porous and flexible very poor feature keeps its waterproof effect very undesirable.Have as flexible material polymer emulsion and latex powder
Good flexibility, by the modification to cement-based material, can between hydrolysis product of cement, at cement microcrack at
Film significantly improves the airtight waterproof of material.
Further, the acrylate copolymer rubber powder is organic siloxane modified pure acrylic acid copolymer, glass
Changing transition temperature is -5 DEG C~-7 DEG C.Acrylate copolymer rubber powder less facile hydrolysis under water-saturated state, long-term water resistance is more
It is good, assign the more excellent anti-capillary infiltration effect of water-repellent paint and lower water absorption rate.Organic siloxane modified pure acrylic acid is total
Under high alkalinity environment of the polymers after hydrated cementitious, hydrophilic organo-functional group hydrolyzes to form the silane of high reaction activity in silane
Alcohol groups, silanol continue to carry out irreversible reaction formation chemical bonding with the hydroxyl group in hydrolysis product of cement, from
And make to act on the surface that the silane to link together is securely fixed in cement waterproof paint middle hole wall by commissure.Due to organic
The organo-functional group of siloxanes is towards the outside of hole wall, so that the surface of hole obtains hydrophobicity, while acrylic ester copolymer
After object rubber powder film forming good waterproof performance can be brought for water-repellent paint.Thus whole excellent waterproof is brought for water-repellent paint
Effect.The model 7042W of the organic siloxane modified pure acrylic acid copolymer, manufacturer are as follows: Beijing treasured occasion joint science and technology
Limited liability company.
Further, the cellulose ether is hydroxypropyl methyl cellulose ether, and viscosity is 10000~30000mPas.?
The lower cellulose ether of a small amount of viscosity is generally added in water-repellent paint, a small amount of low-viscosity cellulose ether can play to a certain extent
Water conservation, thickening, the effect for improving application property, but volume is excessive or viscosity is excessively high that a large amount of bubbles can be introduced in system, thus
Influence compactness.
Further, the water-reducing agent is polycarboxylic acids dehydragent.The water-reducing rate of polycarboxylic acids dehydragent is not less than 24%.
The construction method of single polymer water-repellent paint of the present invention the following steps are included:
(1) basal plane handle: base answer it is solid, flat and smooth, surface must not have dusting, it is loose, peel off and it is uneven existing
As.Dust, greasy dirt, clast and sharp corners should be cleaned out, and concave-convex and crack (harmless, non-structure fissure) etc. applies cement bonded sand
Slurry fills up levelling, and to reach some strength.Circular arc processing is done with cement mortar in all detail treatments and yin-yang angle.
(2) material is prepared: the powder under dry powder being uniformly mixed in advance according to the proportion, is added into certain ratio later
In the clear water of example, mechanical stirring makes it be uniformly mixed the fine and smooth mixture for being free of granule of formation.The coating prepared is answered when in use
It stirs evenly at any time, in order to avoid precipitating.
(3) water-repellent paint is coated in surface of wall with roller or brush, it is first in order to improve the cohesive force of film and base
Primary coat is first carried out, primary coat uses the roller coating of long handle roller, it is desirable that roller coating uniformly must not bottom drain.Later according to middle layer, surface layer it is suitable
Sequence successively carries out, and it is solid non-sticky that the time interval between each layer is subject to previous coating film；Coating is uniform as far as possible, cannot locally sink
It forms sediment, it is desirable that more round brush several times, guarantee not stay bubble between coating and base, bonding is tight.Every layer of coating must be by specified volume
Feeding, cutting cannot be too thick or too thin, if last waterproofing layer thickness is inadequate, can add one layer of painting.
(4) each position of waterproof coating, especially weak link should be conscientiously checked after constructing, find the problem to repair in time
It mends, guarantees do not occur phenomena such as accumulation, crackle, decortication, trickling, bubbling, alice, elephant skin after waterproof coating is finished.
In construction usage, since all components are dry powder before constructing, add after mixing under dry powder
Water stirring mixes again, reacts compared with general construction method, between each component more sufficiently.The water and water-repellent paint of addition
The mass ratio of raw material is 0.20~0.22:1.
Above-mentioned specific embodiment is further illustrated below by embodiment, but is not therefore limited the present invention to described
Scope of embodiments among.In the following examples, the experimental methods for specific conditions are not specified, according to conventional methods and conditions, or presses
It is selected according to product manual.Do not make the reagent, raw material and instrument and equipment illustrated can directly be bought by commercial sources.
Embodiment 1
A kind of water-repellent paint is mixed by the raw material components of following mass fraction: 60 parts of ordinary portland cement, washing
180 parts of river sand, 277 parts of coarse whiting, 260 parts of ethylene-vinyl acetate copolymer rubber powder, 220 parts of acrylate copolymer rubber powder, fiber
1.2 parts of plain ether, 0.5 part of water-reducing agent, 1.0 parts of defoaming agent.Wherein, ordinary portland cement is PO42.5 grades.The mesh of the coarse whiting
Number is 400 mesh.The washing river sand is 100~200 mesh continuous grading sand.The glass of the ethylene-vinyl acetate copolymer rubber powder
Glass transition temperature is -5 DEG C.The acrylate copolymer rubber powder is organic siloxane modified pure acrylic acid copolymer, glass
Glass transition temperature is -6 DEG C.The cellulose ether is hydroxypropyl methyl cellulose ether, viscosity 10000mPas.It is described to subtract
Aqua is polycarboxylic acids dehydragent.
In construction usage, the water of addition and the mass ratio of water-repellent paint raw material are 0.21:1.
Embodiment 2
A kind of water-repellent paint is mixed by the raw material components of following mass fraction: 70 parts of ordinary portland cement, washing
150 parts of river sand, 300 parts of coarse whiting, 250 parts of ethylene-vinyl acetate copolymer rubber powder, 210 parts of acrylate copolymer rubber powder, fiber
1.2 parts of plain ether, 0.5 part of water-reducing agent, 1.0 parts of defoaming agent.Wherein, ordinary portland cement is PO52.5 grades.The mesh of the coarse whiting
Number is 400 mesh.The washing river sand is the silica flour of 200~400 mesh.The glass of the ethylene-vinyl acetate copolymer rubber powder
Changing transition temperature is -4 DEG C.The acrylate copolymer rubber powder is organic siloxane modified pure acrylic acid copolymer, glass
Changing transition temperature is -5 DEG C.The cellulose ether is hydroxypropyl methyl cellulose ether, viscosity 25000mPas.The diminishing
Agent is polycarboxylic acids dehydragent.
In construction usage, the water of addition and the mass ratio of water-repellent paint raw material are 0.22:1.
Embodiment 3
A kind of water-repellent paint is mixed by the raw material components of following mass fraction: 80 parts of ordinary portland cement, washing
180 parts of river sand, 227 parts of coarse whiting, 220 parts of ethylene-vinyl acetate copolymer rubber powder, 260 parts of acrylate copolymer rubber powder, fiber
0.6 part of plain ether, 0.1 part of water-reducing agent, 1.5 parts of defoaming agent.Wherein, ordinary portland cement is PO42.5 grades or 52.5 grades.It is described
The mesh number of coarse whiting is 400 mesh.The washing river sand is 100~200 mesh continuous grading sand.The ethylene-vinyl acetate copolymer
The glass transition temperature of rubber powder is -5 DEG C.The acrylate copolymer rubber powder is the copolymerization of organic siloxane modified pure acrylic acid
Object, glass transition temperature are -6 DEG C.The cellulose ether is hydroxypropyl methyl cellulose ether, viscosity 30000mPas.
The water-reducing agent is polycarboxylic acids dehydragent.
In construction usage, the water of addition and the mass ratio of water-repellent paint raw material are 0.20:1.
Embodiment 4
A kind of water-repellent paint is mixed by the raw material components of following mass fraction: 80 parts of ordinary portland cement, washing
220 parts of river sand, 220 parts of coarse whiting, 250 parts of ethylene-vinyl acetate copolymer rubber powder, 230 parts of acrylate copolymer rubber powder, fiber
1.5 parts of plain ether, 0.8 part of water-reducing agent, 1.0 parts of defoaming agent.Wherein, ordinary portland cement is PO42.5 grades or 52.5 grades.It is described
The mesh number of coarse whiting is 400 mesh.The washing river sand is 100~200 mesh continuous grading sand.The ethylene-vinyl acetate copolymer
The glass transition temperature of rubber powder is -5 DEG C.The acrylate copolymer rubber powder is the copolymerization of organic siloxane modified pure acrylic acid
Object, glass transition temperature are -6 DEG C.The cellulose ether is hydroxypropyl methyl cellulose ether, viscosity 20000mPas.
The water-reducing agent is polycarboxylic acids dehydragent.
In construction usage, the water of addition and the mass ratio of water-repellent paint raw material are 0.21:1.
Comparative example 1
A kind of water-repellent paint is mixed by the raw material components of following mass fraction: 60 parts of ordinary portland cement, washing
180 parts of river sand, 277 parts of coarse whiting, 300 parts of ethylene-vinyl acetate copolymer rubber powder, 0.5 part of water-reducing agent, disappear by 1.2 parts of cellulose ether
1.0 parts of infusion.
The single polymer water-repellent paint of Examples 1 to 4 and comparative example 1 is carried out in fact by following laboratory operation step
It tests:
(1) glass surface in advance by experiment is cleaned out, and coats one layer of release agent on surface, is subsequent demoulding
It is ready；
(2) material prepare: according to the mass ratio of water and water-repellent paint raw material for 0.21:1 ratio under be stirred for equal
Even state of the exquisiteness without granule.
(3) water-repellent paint coating glass plate surface is guaranteed into surfacing, thickness is uniform with roller or brush；
(4) sample is placed on after conserving 48h in standard curing room and is demoulded, conserved later to 7d, later according to standard
The requirement of " GB/T 23445-2009 polymer cement waterproof paint " carries out elongation at break, breaking strength, Standard Test Method for Permeation Resistance.
Concrete outcome is as shown in table 1.
From 1 performance data of table it is found that having lacked hydrophobic type acrylic copolymer rubber powder in the raw material components of comparative example 1, make
Tensile resistance, tensile strength, elongation at break and the waterproof performance for obtaining coating have different degrees of decline.The present invention is real
The tensile resistance for applying the single polymer water-repellent paint in example is preferable, and tensile strength and elongation at break are much higher than comparative example
1.The waterproof performance of single polymer water-repellent paint obtained by Examples 1 to 4 is also apparently higher than comparative example, fully meets mark
The requirement of the II type water-repellent paint of alignment request.
Table 1
Single polymer water-repellent paint provided by the present invention and preparation method thereof is described in detail above.This
Apply that a specific example illustrates the principle and implementation of the invention in text, the explanation of above example is only intended to
It facilitates the understanding of the method and its core concept of the invention.It should be pointed out that for those skilled in the art,
Without departing from the principles of the invention, can be with several improvements and modifications are made to the present invention, these improvement and modification are also fallen
Enter in the protection scope of the claims in the present invention.
Claims (8)
1. a kind of single polymer water-repellent paint, which is characterized in that the water-repellent paint by following mass fraction raw material components
It mixes: 60~80 parts of ordinary portland cement, washing 150~200 parts of river sand, 220~300 parts of coarse whiting, ethyl vinyl acetate second
220~260 parts of alkene copolymer rubber powder, 220~260 parts of acrylate copolymer rubber powder, 0.6~1.5 part of cellulose ether, water-reducing agent
0.1~0.8 part, 0.8~1.5 part of defoaming agent.
2. single polymer water-repellent paint according to claim 1, which is characterized in that the ordinary portland cement is
PO42.5 grades or 52.5 grades.
3. single polymer water-repellent paint according to claim 1, which is characterized in that the mesh number of the coarse whiting is 400
Mesh.
4. single polymer water-repellent paint according to claim 1, which is characterized in that the washing river sand be 100~
200 mesh continuous grading sand, or the silica flour for 200~400 mesh.
5. single polymer water-repellent paint according to claim 1, which is characterized in that the ethene-vinyl acetate is total
The glass transition temperature of polymers rubber powder is -4 DEG C~-6 DEG C.
6. single polymer water-repellent paint according to claim 1, which is characterized in that the acrylate copolymer glue
Powder is organic siloxane modified pure acrylic acid copolymer, and glass transition temperature is -5 DEG C~-7 DEG C.
7. single polymer water-repellent paint according to claim 1, which is characterized in that the cellulose ether is hydroxypropyl
Methyl cellulose ether, viscosity are 10000~30000mPas.
8. single polymer water-repellent paint according to claim 1, which is characterized in that the water-reducing agent is polycarboxylic acid
Water-reducing agent.
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| CN111807795A (en) * | 2020-07-12 | 2020-10-23 | 西卡(上海)管理有限公司 | Nano-modified self-sealing single-component film-forming waterproof mortar |
| CN112852227A (en) * | 2021-01-14 | 2021-05-28 | 佛山市凯隽新建材科技有限公司 | High-molecular polymer spraying material for tunnel waterproofing and preparation and application methods thereof |
| CN113788662A (en) * | 2021-10-22 | 2021-12-14 | 秦皇岛市松岩建材有限公司 | Single-component polyethylene polypropylene fiber waterproof coiled material adhesive |
| CN115806399A (en) * | 2022-12-27 | 2023-03-17 | 深圳市华越新材料有限公司 | Green environment-friendly light high-strength reclaimed sand and preparation process thereof |
| CN116425475A (en) * | 2022-01-04 | 2023-07-14 | 江苏凯伦建材股份有限公司 | Single-component polymer cement waterproof paint, preparation method and construction method thereof |
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| CN115806399B (en) * | 2022-12-27 | 2023-10-03 | 深圳市华越新材料有限公司 | Environment-friendly light high-strength reclaimed sand and preparation process thereof |
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