CN107446404A - A kind of external thermal insulation wall surface water proof flexible material - Google Patents
A kind of external thermal insulation wall surface water proof flexible material Download PDFInfo
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- CN107446404A CN107446404A CN201710737482.2A CN201710737482A CN107446404A CN 107446404 A CN107446404 A CN 107446404A CN 201710737482 A CN201710737482 A CN 201710737482A CN 107446404 A CN107446404 A CN 107446404A
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/34—Filling pastes
Abstract
The invention discloses the composition of raw materials component of a kind of external thermal insulation wall surface water proof flexible material, including following parts by weight：235 245 parts of portland cements, 568 570 parts of sand, 148 152 parts of dicalcium powders, 18 22 parts of re-dispersible glue powder 5044N, 14.5 15.5 parts of re-dispersible glue powder 8034H, 1.8 2.2 parts of cellulose ethers, 2.7 3.4 parts of wood fibres, 0.8 1.2 parts of organosilicon moisture repellents.External thermal insulation wall surface water proof flexible material of the present invention, not only there is extremely strong water resistance and caking property, but also there is high-low temperature resistant change, freedom from cracking, solve the problems, such as that existing putty powder for exterior wall weatherability is poor, without hollowing, peeling, cracking, obscission after being made moist by water, water proofing property is extremely strong, green, flexible, it is not pulverized easily, it is moist batch to scrape rear surface tactile sensation, safety and environmental protection, service life length.
Description
Technical field
The present invention relates to building material technical field, and in particular to a kind of external thermal insulation wall surface water proof flexible material.
Background technology
Putty material is the auxiliary products for base treatment when building filler application.Putty material be usually have base-material,
Filler, water and auxiliary agent etc. form.Base-material is also referred to as binding agent, is the main part of putty material, it is main rise to cohere wait respectively
Kind effect.Filler mainly plays filling effect, and conventional has calcium oxide, talcum powder and quartz sand etc..Auxiliary agent has thickener, water conservation
Agent, preservative etc..Thickener and water-loss reducer play water conservation, improve storage and application property, typically using cellulose family.Anti-corrosion
Agent mainly prevents from because of corruption going bad in storage process.In addition with antifreeze, slipping agent, water reducer etc..Putty it is basic
Effect be the defects of filling up wall basic unit basic unit is carried out it is levelling, so as to increase the smooth degree of basic unit.The specific function of putty
There is building and produce various decorative models etc..Putty must be adapted with the requirement of selected stuffing box application.In the last few years, with
The development of coating process and the raising of coating specification, application of the putty in coating engineering is increasingly taken seriously.Putty is
Auxiliary products when building filler application for base treatment.The basic role of putty is the defects of filling up wall basic unit, to base
Layer progress is levelling, so as to increase the smooth degree of basic unit.In China, the exterior wall that decorative architecture thing is carried out using building coating has been got over
Come it is more extensive, but exist a serious quality problems be that film ftractures with wall body slit, undermined building
Integral decoration effect, the coating ornamental surface of many buildings after use after a while, there have been peeling, come off etc. it is existing
As finally resulting in metope cracking and wall producing Seepage.And with the development of urban construction and changing for urban and rural residents' house
Kind, outer wall heat preservation system is gradually gained popularity, and exterior wall putty is also widely used, the demand of market External Wall putty
Constantly expanding, people increasingly pay close attention to the adhesion strength of exterior wall putty, and water resistance, alkali resistance, application property, particularly exterior wall are greasy
The splitting resistance of son, and the very excellent exterior wall putty of combination property does not almost have.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided a kind of external thermal insulation wall surface water proof flexible material
Material.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of external thermal insulation wall surface water proof flexible material, include the composition of raw materials component of following parts by weight：
235-245 parts portland cement, 568-570 parts sand, 148-152 parts dicalcium powder, 18-22 part re-dispersible glue powders 5044N,
14.5-15.5 part re-dispersible glue powder 8034H, 1.8-2.2 parts cellulose ether, 2.7-3.4 parts wood fibre, 0.8-1.2 parts have
Machine silicon hydrophober.
As the improvement of above-mentioned technical proposal, the portland cement is portland cement 42.5R.
As the improvement of above-mentioned technical proposal, the particle size range of the sand is 0.08-0.4mm.
As the improvement of above-mentioned technical proposal, the mesh number of the dicalcium powder is 350 mesh.
As the improvement of above-mentioned technical proposal, a kind of preparation method of described external thermal insulation wall surface water proof flexible material, bag
Include following steps：
（1）Dicalcium powder, sand are weighed into dispensing by proportioning, are sequentially placed into mixer, through being sufficiently stirred, is ground after well mixed
Grind 5-10 minutes；
（2）Portland cement is weighed into dispensing by proportioning, adds step（1）In resulting material, it is mixed and stirred for uniformly；
（3）In step（2）The cellulose ether and wood fibre weighed by proportioning is added in resulting material, grinds 5-10 minutes；
（4）Re-dispersible glue powder 5044N, re-dispersible glue powder 8034H are weighed into dispensing by proportioning, are sequentially placed into high speed dispersor
It is upper fully dispersed, then, the organosilicon moisture repellent weighed by proportioning is added under 1000-1200r/min rotating speeds, is stirred；
（5）By step（4）Resulting material adds step（3）In resulting material, stir, sieve to obtain putty powder material.
Compared with prior art, beneficial effects of the present invention are as follows by the present invention：
External thermal insulation wall surface water proof flexible material of the present invention, not only with extremely strong water resistance and caking property, but also have
The advantages that high-low temperature resistant change, freedom from cracking, solve the problems, such as that existing putty powder for exterior wall weatherability is poor, without sky after being made moist by water
Drum, peeling, cracking, obscission, water proofing property is extremely strong, green, flexible, is not pulverized easily, and criticizes and scrapes rear surface tactile sensation exquisiteness
It is smooth, safety and environmental protection, service life length.
Embodiment
Illustrate present disclosure below in conjunction with specific embodiments.
A kind of external thermal insulation wall surface water proof flexible material, include the composition of raw materials component of following parts by weight：235-245 part silicon
Acid salt cement, 568-570 parts sand, 148-152 parts dicalcium powder, 18-22 part re-dispersible glue powder 5044N, 14.5-15.5 parts can be again
Scattered rubber powder 8034H, 1.8-2.2 part cellulose ether, 2.7-3.4 parts wood fibre, 0.8-1.2 part organosilicon moisture repellents.
The portland cement is the portland-type cement clinker using calcium silicates as essential mineral, and intensity plays fast, aquation
Heat is high, wear-resisting, anticorrosive, adapts to most building occupancy, using portland cement as base-material, has intensity height, hardness
Greatly, the advantages of good water resistance, portland cement condenses hardening slowly, is not easy to add excessively, the portland cement is silicon
Acid salt cement 42.5R, as high-early (strength) cement so that cement early strength is higher, and intensity can just reach ordinary cement after 28 days
To requiring, and high-early (strength) cement three days with regard to desired strength can be reached more than 80 percent, pressure-proof and snap-resistent effect is good, heat resistance
Can be good, and sulfate-resistant corrosion, the portland cement are hydraulicity binding material, it is possible to increase putty intensity and attachment
Power, therefore using portland cement as base-material, optimal case, composition of raw materials component in parts by weight adds 235-245 part silicon
Acid salt cement；In order to improve workability, water absorption is reduced, and increase intensity, composition of raw materials component in parts by weight add
Enter 568-570 part sand, and now intensity is ideal, and the particle size range of the sand is 0.08-0.4mm, and particle diameter cannot be greater than
0.4mm, smooth property otherwise being influenceed, particle diameter fineness can not be too high, and the sand of high fineness had both needed more cementitious matters to cohere,
Bigger drying shrinkage can be caused again, it is necessary to which more portland cements, increase cost, also influence wall surface coating material；
The main component of the dicalcium powder is calcium carbonate, and whiteness is high, purity is good, form and aspect are soft and the spy such as chemical composition stability
Point, the whiteness requirement of exterior wall can be reached, played an important role in building trade, dicalcium powder is that important stable inorganic environmental protection is filled out
Charge, dicalcium powder can be such that coating does not settle, easily disperse, the characteristic such as good luster, also with fire protecting performance, make as water paint
By the use of dicalcium powder as filler, production cost can be not only reduced, the toughness and intensity of product can also be increased, therefore by weight
Several composition of raw materials components needs to add 148-152 part dicalcium powders, and the mesh number of dicalcium powder is 350 mesh, can be further
Increase the toughness and intensity of product, it is more smooth, smooth, not coarse.
Re-dispersible glue powder 5044N is a kind of redispersible vinyl acetate/ethylene/copolymerization of chance water with soap resistance energy
Rubber powder, it is a kind of flexible latex powder, extremely low film-forming temperature, environment-friendly tasteless is waterproof thermal-insulated, and re-dispersible glue powder 8034H is one
Kind meets ethene/vinyl laurate/vinyl chloride ternary polymerization rubber powder of the redispersible hydrophobicity of water, can be again after chance water is clipped
It is secondary scattered, and anti-soap ability is strong, bonding force, rupture strength, plasticity, wearability and material can be improved by being added in dry mash
Workability, and mobility, thixotropy and water-retaining property to material etc. be without any adverse effect, and due to its phase
To higher ethylene contents, rubber powder has a fabulous pliability, and the powder of lacquer putty for use on of cement base be it is rigid, it is more crisp, it is easy to crack,
In order to improve the adhesion strength of material and cohesive force, strengthen water resistance, improve tensile strength and wearability, and reduce material
Rigid, optimal case, composition of raw materials component in parts by weight add 18-22 part re-dispersible glue powders 5044N,
14.5-15.5 part re-dispersible glue powders 8034H.
The cellulose ether is the high-molecular compound for having ether structure, can be dissolved in water, dilute alkaline soln and organic solvent, and
With thermoplasticity, cellulose ether can be used as water-loss reducer, largely inhibit moisture evaporation, and cellulose ether is as guarantor
Aqua, there is good heat-insulating property, in addition, cellulose ether amount is big, therefore its viscosity is high, has the function that thickening, fine
Tieing up plain ether also there is well anti-to hang performance from above, but Slow setting time is longer, and therefore, composition of raw materials component in parts by weight adds
1.8-2.2 part cellulose ethers, while not increasing usage time, nor affect on water conservation and thickening properties；Told wood fibre is
Organic wadding fibrous material that natural reproducible timber is processed to obtain by chemical treatment, Mechanical Method, nontoxic, tasteless, pollution-free,
"dead", lignocellulosic is not soluble in water, weak acid and alkaline solution, it is possible to increase corrosion resistance, also with excellent flexible
Property and dispersiveness, tridimensional network is formed after mixing, stability, intensity, compactness and the uniformity of system can be improved, so as to
Increase the service life, and lignocellulosic at a temperature of 150 DEG C can heat-insulated a couple of days, it is and unchanged, or even can be every at 200 DEG C
Heat tens of hours, also resistance to 800 DEG C of high temperature flame-proofs, there is very strong antifreeze and solar heat protection ability, optimal case, original in parts by weight
Material formula component adds 2.7-3.4 part wood fibres, in addition, wood fibre is of high quality and at a reasonable price, cost performance is high；Machine silicon hydrophober is used
In brick wall, furring brick exterior wall and coating, the water proof anti-seepage of lithotome veneer exterior, antifouling, guarantor's color, weathering resistance etc., do not change also
Become former base color, stability is higher, no layering, without floating oil, without obvious sediment, moisture can be prevented to moisten, immerse wall, prevented
Only inner wall surface is damp and mouldy, black and the disease such as come off, composition of raw materials component in parts by weight add 0.8-1.2 part organosilicons
Hydrophober, cellulose ether, wood fibre and organosilicon moisture repellent play water retention, promote cement as auxiliary agent, cellulose ether
Continuous hydration, the adhesive force of putty and base material is improved, also have the function that to improve storage and workability and insulation, wooden fibre
Cracking resistance, antifreeze and insulation effect are tieed up, organosilicon moisture repellent plays waterproof, homogeneous, and and can avoids some accelerating components from drawing
Inside concrete steel bar corrosion, as requested, cost and most effective fruit are played, composition of raw materials component in parts by weight adds
1.8-2.2 parts cellulose ether, 2.7-3.4 parts wood fibre, 0.8-1.2 part organosilicon moisture repellents.
The preparation method of above-mentioned external thermal insulation wall surface water proof flexible material, comprises the following steps：
（1）Dicalcium powder, sand are weighed into dispensing by proportioning, are sequentially placed into mixer, through being sufficiently stirred, is ground after well mixed
Grind 5-10 minutes so that both fully mix；
（2）Portland cement is weighed into dispensing by proportioning, adds step（1）In resulting material, it is mixed and stirred for uniformly；
（3）In step（2）The cellulose ether and wood fibre weighed by proportioning is added in resulting material, 5-10 minutes is ground, makes
Both are obtained fully to mix；
（4）Re-dispersible glue powder 5044N, re-dispersible glue powder 8034H are weighed into dispensing by proportioning, are sequentially placed into high speed dispersor
It is upper fully dispersed, then, the organosilicon moisture repellent weighed by proportioning is added under 1000-1200r/min rotating speeds, is stirred,
The time is saved, while material high-speed will not be projected；
（5）By step（4）Resulting material adds step（3）In resulting material, stir, sieve to obtain putty powder material.
In use, adding 220-240ml running water by every kilogram of powder of lacquer putty for use on, stir to thick shape, stand 5 minutes, again
It can be used after stirring, the water addition of running water is excessive or very few, can influence the using effect of powder of lacquer putty for use on, such as bond
Property and tack reduce.
【Embodiment one】A kind of external thermal insulation wall surface water proof flexible material, include the composition of raw materials component of following parts by weight：
235 parts of portland cements, 568 parts of sand, 148 parts of dicalcium powders, 18 parts of re-dispersible glue powder 5044N, 14.5 parts of re-dispersible glue powders
8034H, 1.8 parts of cellulose ethers, 2.7 parts of wood fibres, 0.8 part of organosilicon moisture repellent.
The preparation method of above-mentioned external thermal insulation wall surface water proof flexible material, comprises the following steps：
（1）Dicalcium powder, sand are weighed into dispensing by proportioning, are sequentially placed into mixer, through being sufficiently stirred, is ground after well mixed
Mill 5 minutes；
（2）Portland cement is weighed into dispensing by proportioning, adds step（1）In resulting material, it is mixed and stirred for uniformly；
（3）In step（2）The cellulose ether and wood fibre weighed by proportioning is added in resulting material, is ground 5 minutes；
（4）Re-dispersible glue powder 5044N, re-dispersible glue powder 8034H are weighed into dispensing by proportioning, are sequentially placed into high speed dispersor
It is upper fully dispersed, then, the organosilicon moisture repellent weighed by proportioning is added under 1000r/min rotating speeds, is stirred；
（5）By step（4）Resulting material adds step（3）In resulting material, stir, sieve to obtain putty powder material.
In use, adding 220ml running water by every kilogram of powder of lacquer putty for use on, stir to thick shape, stand 5 minutes, be again stirring for
It can be used after uniformly.
【Embodiment two】A kind of external thermal insulation wall surface water proof flexible material, include the composition of raw materials component of following parts by weight：
240 parts of portland cements, 569 parts of sand, 150 parts of dicalcium powders, 20 parts of re-dispersible glue powder 5044N, 15 parts of re-dispersible glue powders
8034H, 2 parts of cellulose ethers, 3 parts of wood fibres, 1 part of organosilicon moisture repellent.
The preparation method of above-mentioned external thermal insulation wall surface water proof flexible material, comprises the following steps：
（1）Dicalcium powder, sand are weighed into dispensing by proportioning, are sequentially placed into mixer, through being sufficiently stirred, is ground after well mixed
Mill 8 minutes；
（2）Portland cement is weighed into dispensing by proportioning, adds step（1）In resulting material, it is mixed and stirred for uniformly；
（3）In step（2）The cellulose ether and wood fibre weighed by proportioning is added in resulting material, is ground 8 minutes；
（4）Re-dispersible glue powder 5044N, re-dispersible glue powder 8034H are weighed into dispensing by proportioning, are sequentially placed into high speed dispersor
It is upper fully dispersed, then, the organosilicon moisture repellent weighed by proportioning is added under 1100r/min rotating speeds, is stirred；
（5）By step（4）Resulting material adds step（3）In resulting material, stir, sieve to obtain putty powder material.
In use, adding 230ml running water by every kilogram of powder of lacquer putty for use on, stir to thick shape, stand 5 minutes, be again stirring for
It can be used after uniformly.
【Embodiment three】A kind of external thermal insulation wall surface water proof flexible material, include the composition of raw materials component of following parts by weight：
245 parts of portland cements, 570 parts of sand, 152 parts of dicalcium powders, 22 parts of re-dispersible glue powder 5044N, 15.5 parts of re-dispersible glue powders
8034H, 2.2 parts of cellulose ethers, 3.4 parts of wood fibres, 1.2 parts of organosilicon moisture repellents.
The preparation method of above-mentioned external thermal insulation wall surface water proof flexible material, comprises the following steps：
（1）Dicalcium powder, sand are weighed into dispensing by proportioning, are sequentially placed into mixer, through being sufficiently stirred, is ground after well mixed
Mill 10 minutes；
（2）Portland cement is weighed into dispensing by proportioning, adds step（1）In resulting material, it is mixed and stirred for uniformly；
（3）In step（2）The cellulose ether and wood fibre weighed by proportioning is added in resulting material, is ground 10 minutes；
（4）Re-dispersible glue powder 5044N, re-dispersible glue powder 8034H are weighed into dispensing by proportioning, are sequentially placed into high speed dispersor
It is upper fully dispersed, then, the organosilicon moisture repellent weighed by proportioning is added under 1200r/min rotating speeds, is stirred；
（5）By step（4）Resulting material adds step（3）In resulting material, stir, sieve to obtain putty powder material.
In use, adding 240ml running water by every kilogram of powder of lacquer putty for use on, stir to thick shape, stand 5 minutes, be again stirring for
It can be used after uniformly.
In order to verify a kind of external thermal insulation wall surface water proof flexible material of the present invention（Embodiment one, two, three）Effect, we do
Contrast test, experimental enviroment：Temperature（23±2）DEG C, humidity is（50±5）%, control group use other external wall putty,
Detection state and application property, determine drying time respectively（Surface drying, h）And adhesion strength（MPa）, and observe alkali resistance（48h）、
Water resistance（96h）And initial dry cracking resistance（6h）, to every technical performance test result of above-described embodiment one, two, three
Such as following table：
Thus experimental result can be drawn：External thermal insulation wall surface water proof flexible material of the present invention is greasy with using other external walls
The control group of sub- material is compared, and drying time substantially shortens, and improves efficiency of construction, and adhesion strength is higher, and equal flawless,
Water resistance and alkali resistance are good, and control group has crackle and water resistance alkali resistance is poor, and after freezing and thawing test, adhesion strength reaches
Arrive 0.58MPa, therefore the external thermal insulation wall surface water proof flexible material of the present invention, not only with extremely strong water resistance and caking property,
But also there is high-low temperature resistant change, freedom from cracking, solve the problems, such as that existing putty powder for exterior wall weatherability is poor, by water
Without hollowing, peeling, cracking, obscission after making moist, water proofing property is extremely strong, green, flexible, is not pulverized easily, and criticizes and scrapes rear table
Face exquisite in texture is smooth, safety and environmental protection, service life length.
Above content is detailed description made for the present invention in conjunction with specific embodiments, it is impossible to assert that the present invention is specific real
Apply and be only limitted to these explanations.For those skilled in the art, before present inventive concept is not departed from
Put, some simple deduction or replace can also be made, should all be considered as belonging to the scope of protection of the invention.
Claims (5)
- A kind of 1. external thermal insulation wall surface water proof flexible material, it is characterised in that the composition of raw materials component including following parts by weight：235-245 parts portland cement, 568-570 parts sand, 148-152 parts dicalcium powder, 18-22 part re-dispersible glue powders 5044N, 14.5-15.5 part re-dispersible glue powder 8034H, 1.8-2.2 parts cellulose ether, 2.7-3.4 parts wood fibre, 0.8-1.2 parts have Machine silicon hydrophober.
- 2. a kind of external thermal insulation wall surface water proof flexible material as claimed in claim 1, it is characterised in that the portland cement is Portland cement 42.5R.
- A kind of 3. external thermal insulation wall surface water proof flexible material as claimed in claim 1, it is characterised in that the particle size range of the sand For 0.08-0.4mm.
- A kind of 4. external thermal insulation wall surface water proof flexible material as claimed in claim 1, it is characterised in that the mesh number of the dicalcium powder For 350 mesh.
- 5. a kind of external thermal insulation wall surface water proof flexible material as any one of claim 1-4, it is characterised in that described A kind of preparation method of external thermal insulation wall surface water proof flexible material, comprises the following steps：（1）Dicalcium powder, sand are weighed into dispensing by proportioning, are sequentially placed into mixer, through being sufficiently stirred, is ground after well mixed Grind 5-10 minutes；（2）Portland cement is weighed into dispensing by proportioning, adds step（1）In resulting material, it is mixed and stirred for uniformly；（3）In step（2）The cellulose ether and wood fibre weighed by proportioning is added in resulting material, grinds 5-10 minutes；（4）Re-dispersible glue powder 5044N, re-dispersible glue powder 8034H are weighed into dispensing by proportioning, are sequentially placed into high speed dispersor It is upper fully dispersed, then, the organosilicon moisture repellent weighed by proportioning is added under 1000-1200r/min rotating speeds, is stirred；（5）By step（4）Resulting material adds step（3）In resulting material, stir, sieve to obtain putty powder material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112521781A (en) * | 2020-12-22 | 2021-03-19 | 江苏智配新材料科技有限公司 | Anti-cracking polymer material for MDF novel fiber line surface spraying and preparation method thereof |
| CN112851256A (en) * | 2021-02-07 | 2021-05-28 | 张国海 | Waterproof and mildew-proof rubber powder and preparation method and application thereof |
| CN114806258A (en) * | 2022-06-06 | 2022-07-29 | 上海申得欧有限公司 | High-strength light bottom leveling putty powder using polyphenyl particles |
| CN114958039A (en) * | 2021-08-02 | 2022-08-30 | 广东鲁邦建材科技实业有限公司 | Wall decoration material and preparation method thereof |
| CN115947571A (en) * | 2022-08-31 | 2023-04-11 | 沈阳市市政工程修建集团有限公司 | Organic silicon modified ultrathin repair putty for municipal bridge concrete veneer |
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| CN106905744A (en) * | 2017-02-23 | 2017-06-30 | 马清浩 | A kind of crack resistance type exterior wall powder of lacquer putty for use on |
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| CN1757688A (en) * | 2005-10-25 | 2006-04-12 | 广州秀珀化工有限公司 | Inorganic powder texture coating, and its applying method |
| CN102173679A (en) * | 2011-01-15 | 2011-09-07 | 厦门千瑞建材科技有限公司 | Inorganic high-strength filler for coating |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112521781A (en) * | 2020-12-22 | 2021-03-19 | 江苏智配新材料科技有限公司 | Anti-cracking polymer material for MDF novel fiber line surface spraying and preparation method thereof |
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| CN114958039A (en) * | 2021-08-02 | 2022-08-30 | 广东鲁邦建材科技实业有限公司 | Wall decoration material and preparation method thereof |
| CN114806258A (en) * | 2022-06-06 | 2022-07-29 | 上海申得欧有限公司 | High-strength light bottom leveling putty powder using polyphenyl particles |
| CN115947571A (en) * | 2022-08-31 | 2023-04-11 | 沈阳市市政工程修建集团有限公司 | Organic silicon modified ultrathin repair putty for municipal bridge concrete veneer |
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Application publication date: 20171208 |