CN104449167B - Alkaline-resistant anti-cracking paint for exterior wall - Google Patents
Alkaline-resistant anti-cracking paint for exterior wall Download PDFInfo
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- CN104449167B CN104449167B CN201410714473.8A CN201410714473A CN104449167B CN 104449167 B CN104449167 B CN 104449167B CN 201410714473 A CN201410714473 A CN 201410714473A CN 104449167 B CN104449167 B CN 104449167B
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- exterior wall
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- alkali resistant
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- 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
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- 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
Abstract
The invention discloses an alkaline-resistant anti-cracking paint for an exterior wall. The paint is prepared from the following raw materials in parts by weight: 30-36 parts of a modified composite emulsion, 0.2-0.5 part of modified linen fibers, 0.5-0.7 part of hydroxyethyl cellulose, 1.5-2 parts of 2, 2, 4-trimethyl-1, 3 pentanediol monoisobutyrate, 1.5-2 parts of propylene glycol, 0.15-0.25 part of 2-amino-2-methyl-1-propanol, 40-60 parts of pigments and filler, 0.4-0.6 part of a defoamer, 0.3-0.8 part of a mildew preventive, 0.2-0.3 part of a preservative and 10-12 parts of water. According to the alkaline-resistant anti-cracking paint for the exterior wall disclosed by the invention, the modified linen fibers and the modified composite emulsion are added, so that the film has anti-cracking and alkaline-resistant effects simultaneously.
Description
Technical field
The invention belongs to paint field is and in particular to a kind of alkali resistant anticracking exterior wall paint.
Background technology
So far, the building external paint generally existing accumulation of salt in the surface soil, ftracture, come off, easy variable color the problems such as, have a strong impact on outer
The decorations effect of wall and the waste of resource.Exterior coating should possess two basic functions: one is defencive function；Two is dress
Decorations beautifying functions, therefore one house need after brushing exterior coating not the accumulation of salt in the surface soil, do not ftracture, protect color, waterproof, anti-powdering, anti-carbon
Change, antipollution, do not fall off, goodlooking, but up to the present, most of exterior wall paint product can not reach this requirement.
The exterior coating accumulation of salt in the surface soil, cracking major part are relevant with the cement and lime of plaster layer with wall body structure, because cement
The intensity of lime is high, and alkalescence is very big, and after exposing to the sun and rain, body of wall occurs in that phenomenon of expanding with heat and contract with cold, and makes surface of wall be cracked,
Also result in exterior coating cracking, thus the saline and alkaline part in cement has oozed out surface with crack, destroy the surface effect of paint film
Really, have impact on paint film property.At present, the functional material having alkali resistant, anticracking both at home and abroad and having certain degree of hardness is all homogenous material
Or simple function is it is difficult to meet the performance requirement requiring alkali resistant, anticracking and having certain degree of hardness simultaneously.Therefore, select a kind of spy
Different film forming matter emulsion and anticracking fiber, are to solve the not enough key of prior art.
Content of the invention
It is an object of the invention to provide a kind of alkali resistant anticracking exterior wall paint, add modified flax fiber and modified Composite Milk
Liquid, makes paint film have anticracking and alkali resistant effect simultaneously.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of alkali resistant anticracking exterior wall paint, is uniformly mixed by the raw material of following parts by weight and makes, wherein each group is divided into:
Modified complex emulsions 30-36 part, modified flax fiber 0.2-0.5 part, hydroxyethyl cellulose 0.5-0.7 part, 2,2,4- trimethyls-
1,3 pentanediol mono isobutyrate 1.5-2 part, propane diols 1.5-2 part, 2-amino-2-methyl-1-propanol 0.15-0.25 part, face is filled out
Material 40-60 part, defoamer 0.4-0.6 part, mould inhibitor 0.3-0.8 part, preservative 0.2-0.3 part, water 10-12 part.
Preferably, mixed by the raw material of following parts by weight: 32 parts of modified complex emulsions, modified flax fiber 0.25
Part, 0.65 part of hydroxyethyl cellulose, 2,2,4- trimethyl -1,32 parts of pentanediol mono isobutyrates, 2 parts of propane diols, 2- amino -2-
0.15 part of methyl isophthalic acid-propyl alcohol, 50 parts of color stuffing, 0.5 part of defoamer, 0.3 part of mould inhibitor, 0.25 part of preservative, 11.9 parts of water.
Preferably, described modification flax fiber is made through following steps: adds water and flax in mixer, is floated
In vain, add drier, agitated, dry, pulverize, classification after obtain.
Preferably, described modification complex emulsions are made up of the raw material of following parts by weight: pure-acrylic emulsion 55-60 part, silicon third
Emulsion 28-33 part, hydrophober 1-4 part, emulsifying agent 1-3 part, water 2-6 part, other auxiliary agents 1-2 part.
Preferably, described modification complex emulsions are made up of the raw material of following parts by weight: 58 parts of pure-acrylic emulsion, silicone acrylic emulsion
31 parts, 3 parts of hydrophober, 2 parts of emulsifying agent, 5 parts of water, 1 part of other auxiliary agents.
Preferably, described modification complex emulsions are made through following steps: sequentially add water and pure third in interlayer stirred tank
Emulsion, then sequentially adds hydrophober, silicone acrylic emulsion, emulsifying agent, other auxiliary agents form while stirring.Other auxiliary agents described are permissible
For one or more of defoamer, mould inhibitor, preservative.
Preferably, solid content >=52% of described modification complex emulsions.
Therefore, the inventive point of the present invention is to add modified flax fiber and modified complex emulsions in exterior wall paint, with
Realization makes paint film have anticracking and alkali resistant effect simultaneously；Simultaneously improve the proportioning of color stuffing in exterior wall paint, increased prepared
The weather resisteant of exterior wall paint and adhesive force.
Anticracking fiber in alkali resistant anticracking water-based exterior wall paint is the various important performances being related to paint film, and to water-fast
There is vital effect.Externally for wall paint, it is necessary to assure paint film have high weather resisteant, not the accumulation of salt in the surface soil, do not ftracture, water-tolerant
Etc. performance, product just can be made to have good cost performance.According to high weather resisteant, not the accumulation of salt in the surface soil, do not ftracture and water-tolerant requirement,
Hydroxy ethyl fiber, Methyl cellulose, wood fibre, glass fibre are tested, result is as shown in table 1 below.
The performance test of the several frequently seen fiber of table 1
As can be seen from the above table, above several anticracking fiber poor, paint film not defect such as cracking resistance that all there is bin stability, right
Alkali resistant, anticracking water-based exterior wall paint function and the impact of product combination property are larger.For this reason, the system according to wood fibre, glass fibre
Make principle, the present invention proposes the method improving fibre property by modified flax fiber.Described modification flax fiber is through such as
Lower step is made: add water and flax in mixer, bleached, add drier, agitated, dry, pulverize, classification
After obtain.Thus obtained flax fiber color and luster is partially white, not yellowing, and fiber is shorter, is conducive to improving the cracking resistance of paint film.
According to the method for testing of fiber, described modification flax fiber is tested, result is as follows.
The performance test of the modified flax fiber of table 2
It can thus be seen that the modified flax fiber of the present invention has high-strength anti crack performance, aqueous for solution alkali resistant, anticracking
Exterior wall paint has feasibility in the selection of anticracking fiber.
Film forming matter emulsion is related to the various important performances of paint film, alkali resistant, anticracking, water resistance is equally played important
Effect.According to weather resisteant, not the accumulation of salt in the surface soil, do not ftracture and water-tolerant requirement, to common phenylpropyl alcohol, pure third, silicon third, nano-emulsion
Liquid is tested, and result is as shown in table 3.
The performance test of the several frequently seen emulsion of table 3
By upper table 3, as can be seen that above several emulsions all exist, bin stability is poor, the defect such as film performance is not good, right
Alkali resistant, the impact of anticracking water paint product combination property are larger.For this reason, according to the polymerization principle of emulsion, in presently commercially available emulsion
On the basis of pure-acrylic emulsion is modified being combined, improve emulsion performance.By adding self-crossing emulsion in pure-acrylic emulsion, carry
The adhesive force of high paint film and hardness, hydrophober plays the effect of anti-soil, thus realizing the effect of alkali resistant.
The following is the present invention modification complex emulsions performance indications:
Outward appearance: white band blue light emulsion；
600c gloss: 95%；
Solid content: >=52%；
Ph value: 8～9；
Film forming: excellent；
Freeze-thaw stability: 3 circulations are never degenerated；
Heat endurance: never degenerate.
According to the method for testing of emulsion, described modification complex emulsions are tested, result is as follows.
The performance test of the modified complex emulsions of table 4
It can thus be seen that the modified success of the complex emulsions of the present invention, solve the problems, such as that stability of emulsion is poor.
The proportioning of color stuffing is exterior wall paint weathering, the solid key point of paint film.The ratio external wall paint weathering of color stuffing
Property play an important role, the ratio of color stuffing is appropriate, and the weather resisteant of exterior wall paint, adhesive force are better.Fill a prescription according to above, will
Color stuffing not etc. is not tested (see table 5) with 40%-60% respectively, and brushing contrasts on breadboard, it is concluded that color stuffing adds
Amount is few, affects covering power and workability；Color stuffing is added, and can lead to paint film weather resisteant, adhesive force, resistance to water and application property
Difference.
The performance test of table 5 color stuffing
Therefore, color stuffing dosage is the most preferable when 50%.
In sum, the invention has the beneficial effects as follows: the alkali resistant anticracking exterior wall paint of the present invention, add modified flax fiber
As anticracking fiber, paint film is made to have high intensity anti crack performance；It is also added into modified complex emulsions so that the technical indicator of paint film
Reach: scrubbing resistance number of times >=10000 time, 7 days without exception, 7 days without exception, rupture strengths >=4mpa of resistance to water of alkali resistance, bonding
Intensity >=1.2mpa, anti-permeability strength >=1.5mpa；By select optimal color stuffing ratio it is ensured that exterior wall paint weather resisteant,
Adhesive force, therefore paint film are solid, hardness is good, do not ftracture, and make saline and alkaline part of the cement sand-lime of building main body will not pass through capillary
Porous dehiscence seam oozes out surface, thus reaching alkali resistant and effect of anti-cracking.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.
Embodiment 1
A kind of alkali resistant anticracking exterior wall paint, is made up of the raw material mixing and stirring of following parts by weight, each component is respectively as follows:
32 parts of modified complex emulsions, 0.25 part of modified flax fiber, 0.65 part of hydroxyethyl cellulose, 2,2,4- trimethyl -1,3 pentanediols
2 parts of mono isobutyrate (texanol), 2 parts of propane diols, 0.15 part of 2-amino-2-methyl-1-propanol (amp-95), color stuffing 50
Part, 0.5 part of defoamer (byk-033), 0.3 part of mould inhibitor, 0.25 part of preservative, 11.9 parts of water.
Wherein, described modification complex emulsions are made through following steps: sequentially add 5 parts of water and pure third in interlayer stirred tank
58 parts of emulsion, then sequentially adds 3 parts of hydrophober, 31 parts of silicone acrylic emulsion, 2 parts of emulsifying agent, 1 part of defoamer while stirring, stirring
Uniformly.
Embodiment 2
A kind of alkali resistant anticracking exterior wall paint, is mixed by the raw material of following parts by weight: 30 parts of modified complex emulsions, modified
0.2 part of flax fiber, 0.5 part of hydroxyethyl cellulose, 2,2,4- trimethyl -1,3 pentanediol mono isobutyrates (texanol) 1.5
Part, 1.5 parts of propane diols, 0.15 part of 2-amino-2-methyl-1-propanol (amp-95), 40 parts of color stuffing, defoamer (byk-033)
0.4 part, 0.3 part of mould inhibitor, 0.2 part of preservative, 10 parts of water.
Wherein, described modification complex emulsions are made through following steps: sequentially add 2 parts of water and pure third in interlayer stirred tank
55 parts of emulsion, then sequentially adds 1 part of hydrophober, 28 parts of silicone acrylic emulsion, 1 part of emulsifying agent, 1 part of preservative while stirring, stirring
Uniformly.
Embodiment 3
A kind of alkali resistant anticracking exterior wall paint, is mixed by the raw material of following parts by weight: 36 parts of modified complex emulsions, modified
0.5 part of flax fiber, 0.7 part of hydroxyethyl cellulose, 2,2,4- trimethyl -1,2 parts of 3 pentanediol mono isobutyrates (texanol),
2 parts of propane diols, 0.25 part of 2-amino-2-methyl-1-propanol (amp-95), 60 parts of color stuffing, 0.6 part of defoamer (byk-033),
0.8 part of mould inhibitor, 0.3 part of preservative, 12 parts of water.
Wherein, described modification complex emulsions are made through following steps: sequentially add 6 parts of water and pure third in interlayer stirred tank
60 parts of emulsion, then sequentially adds 4 parts of hydrophober, 33 parts of silicone acrylic emulsion, 3 parts of emulsifying agent, 2 parts of mould inhibitor while stirring, stirring
Uniformly.
It should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.Reading this
Invention lecture content after, those skilled in the art can with any same or similar means the present invention is made various conversion or
Modification, these equivalent form of values equally fall under the scope of the present invention.
Claims (6)
1. a kind of alkali resistant anticracking exterior wall paint is it is characterised in that mixed by the raw material of following parts by weight: modified complex emulsions
30-36 part, modified flax fiber 0.2-0.5 part, hydroxyethyl cellulose 0.5-0.7 part, 2,2,4- trimethyl -1,3- pentanediol list
Isobutyrate 1.5-2 part, propane diols 1.5-2 part, 2-amino-2-methyl-1-propanol 0.15-0.25 part, color stuffing 40-60 part,
Defoamer 0.4-0.6 part, mould inhibitor 0.3-0.8 part, preservative 0.2-0.3 part, water 10-12 part；
Described modification flax fiber is made through following steps: add water and flax in mixer, bleached, add urge dry
Agent, agitated, dry, pulverize, classification after obtain；
Described modification complex emulsions are made up of the raw material of following parts by weight: pure-acrylic emulsion 55-60 part, silicone acrylic emulsion 28-33 part,
Hydrophober 1-4 part, emulsifying agent 1-3 part, water 2-6 part, other auxiliary agents 1-2 part.
2. alkali resistant anticracking exterior wall paint according to claim 1 it is characterised in that by following parts by weight raw material mix and
Become: 32 parts of modified complex emulsions, 0.25 part of modified flax fiber, 0.65 part of hydroxyethyl cellulose, 2,2,4- trimethyl -1,3- penta
2 parts of monoisobutyrate, 2 parts of propane diols, 0.15 part of 2-amino-2-methyl-1-propanol, 50 parts of color stuffing, defoamer 0.5
Part, 0.3 part of mould inhibitor, 0.25 part of preservative, 11.9 parts of water.
3. alkali resistant anticracking exterior wall paint according to claim 1 and 2 is it is characterised in that described modification complex emulsions are by weighing as follows
The raw material composition of amount number: 58 parts of pure-acrylic emulsion, 31 parts of silicone acrylic emulsion, 3 parts of hydrophober, 2 parts of emulsifying agent, 5 parts of water, other auxiliary agents
1 part.
4. alkali resistant anticracking exterior wall paint according to claim 1 and 2 is it is characterised in that described modification complex emulsions walk through following
Suddenly make: sequentially add water and pure-acrylic emulsion in interlayer stirred tank, then sequentially add hydrophober, silicon third breast while stirring
Liquid, emulsifying agent, other auxiliary agents form.
5. alkali resistant anticracking exterior wall paint according to claim 4 it is characterised in that described modification complex emulsions solid content >=
52%.
6. alkali resistant anticracking exterior wall paint according to claim 1 and 2 is it is characterised in that other auxiliary agents described are defoamer, prevent
Mould dose, one or more of preservative.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714473.8A CN104449167B (en) | 2014-11-28 | 2014-11-28 | Alkaline-resistant anti-cracking paint for exterior wall |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410714473.8A CN104449167B (en) | 2014-11-28 | 2014-11-28 | Alkaline-resistant anti-cracking paint for exterior wall |
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| CN104449167A CN104449167A (en) | 2015-03-25 |
| CN104449167B true CN104449167B (en) | 2017-01-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295680A (en) * | 2015-11-20 | 2016-02-03 | 天津美士邦涂料化工有限公司 | Water-based alkali resistant paint |
| CN108059907A (en) * | 2017-12-26 | 2018-05-22 | 天长市金陵电子有限责任公司 | A kind of LED lamp radiator surface coating |
| CN107987642A (en) * | 2017-12-29 | 2018-05-04 | 重庆蓝兔塑胶制品有限公司 | A kind of wall paint |
| CN108485433A (en) * | 2018-03-28 | 2018-09-04 | 中山市泰莱涂料化工有限公司 | The exterior wall paint of construction and the mould proof alkali resistant cracking resistance of waterproof directly on cement basal plane |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5829343B2 (en) * | 1979-03-05 | 1983-06-22 | 四国化成工業株式会社 | Water-resistant wall finishing material |
| US5840806A (en) * | 1995-05-09 | 1998-11-24 | Dainippon Ink And Chemicals, Inc. | Curable resin compositions |
| CN100473699C (en) * | 2005-12-09 | 2009-04-01 | 上海岩艺涂装科技有限公司 | Exposed wall elastic anti-crack putty |
| CN103232778A (en) * | 2013-04-22 | 2013-08-07 | 广西启利新材料科技股份有限公司 | Anti-crack building paint and preparation method thereof |
| CN103351695A (en) * | 2013-06-25 | 2013-10-16 | 天长市开林化工有限公司 | Anti-cracking exterior wall putty |
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Address after: 529095, Jiangmen District, Guangdong City, Pengjiang Province town of Lotus Village Industrial Zone Patentee after: Guangdong Qiaoben new material development Co., Ltd Address before: 529095, Jiangmen District, Guangdong City, Pengjiang Province town of Lotus Village Industrial Zone Patentee before: QBON CHEMICAL INDUSTRY Co.,Ltd. |
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