CN102173690B - Acid-rain-resistant mortar for exterior wall base material processing - Google Patents
Acid-rain-resistant mortar for exterior wall base material processing Download PDFInfo
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- CN102173690B CN102173690B CN2011100013027A CN201110001302A CN102173690B CN 102173690 B CN102173690 B CN 102173690B CN 2011100013027 A CN2011100013027 A CN 2011100013027A CN 201110001302 A CN201110001302 A CN 201110001302A CN 102173690 B CN102173690 B CN 102173690B
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- Prior art keywords
- exterior wall
- parts
- mortar
- acid rain
- acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000003916 acid precipitation Methods 0.000 title claims abstract description 26
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 title claims abstract description 17
- 239000004568 cement Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000000945 filler Substances 0.000 claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004566 building material Substances 0.000 claims description 14
- 239000004816 latex Substances 0.000 claims description 12
- 229920000126 latex Polymers 0.000 claims description 12
- 229920002522 Wood fibre Polymers 0.000 claims description 10
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 10
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 239000000835 fiber Substances 0.000 abstract description 7
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 229920005610 lignin Polymers 0.000 abstract description 6
- 239000004567 concrete Substances 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000005587 bubbling Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 abstract 1
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 abstract 1
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound 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 abstract 1
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 abstract 1
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 238000004901 spalling Methods 0.000 abstract 1
- 238000004078 waterproofing Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000011089 carbon dioxide Nutrition 0.000 description 2
- OMBRFUXPXNIUCZ-UHFFFAOYSA-N dioxidonitrogen(1+) Chemical compound O=[N+]=O OMBRFUXPXNIUCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000000274 adsorptive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000004645 aluminates Chemical class 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000006253 efflorescence Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 206010037844 rash Diseases 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Sealing Material Composition (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses an acid-rain-resistant mortar for exterior wall base material processing, which comprises the following components in percentage by weight: 25.0-35.0% of high alumina cement, 5.0-12.0% of redispersible emulsion powder, 5.0-10.0% of hydroxypropyl methylcellulose, 0.5-5.0% of lignin fiber for construction and 45.0-75.0% of filler. The mortar disclosed by the invention can reduce the damage to exterior walls of buildings caused by acid rain in the natural environment, cracking of exterior wall finishes and other factors, has good universality, and is applicable to the closed protection of exterior wall base materials of concrete buildings in regions having different climates. Besides, the mortar can form favorable adhesive force between different base materials and different aqueous exterior wall finishes, has the advantages of high acid rain corrosion resistance, low pulverization possibility, low cracking possibility and excellent waterproofing performance, and can avoid the bubbling, spalling and other defects of the exterior wall finishes, thereby protecting the exterior wall surfaces of buildings from corrosion and damage of acid rain.
Description
Technical field
The present invention relates to a kind of building sand pulp material, particularly relate to a kind of exterior wall base material treatment mortar of acid rain resistant.
Background technology
Along with the industrialized development in the whole world, the materials such as the carbonic acid gas in the atmosphere, nitrogen peroxide constantly increase, and cause the acid constantly enhancing in rainwater, have formed acid rain.Acid rain refers to that pH value is the Atmospheric precipitations such as the rainwater, sleet, snow hail, dew between 4.3～5.6.Carbonic acid gas in the atmosphere and nitrogen peroxide are the essential substance that forms acid rain, and in the composition of acid rain, sulfuric acid accounts for 60%, nitric acid accounts for 32%, and hydrochloric acid accounts for 6%, and all the other are carbonic acid and a small amount of organic acid.This acid rain, the accelerated corrosion that can cause buildings to reach the article such as vehicle of abandoning is in the open worn out, and causes the tremendous economic loss.
Contain a large amount of alkaline matters such as calcium carbonate in the exterior wall base material treatment mortar of existing buildings, corrodibility for acid rain does not well hinder and mitigation, therefore and acid rain react, cause the accelerated corrosion of buildings aging, cause tremendous economic loss.On the other hand, warm resistance can be bad, especially easily ftractures under the low temperature situation, affects the appearance looks elegant of buildings, and may cause the damage of fabric structure, affects safety.
Summary of the invention
The object of the present invention is to provide a kind of corrodibility for acid rain to have good obstruction and mitigation and warm resistance can be good, in the situation that the exterior wall base material treatment mortar of the extremely low acid rain resistant that comes off of being not easy to ftracture of temperature.
For achieving the above object, the present invention adopts following technical scheme:
A kind of exterior wall base material treatment mortar of acid rain resistant, the weight percent of its each component consists of:
High-alumina cement 25.0%～35.0%
Redispersable latex powder 5.0%～12.0%
Vltra tears 5.0%～10.0%
Lignin fibre 0.5%～5.0% for building
Filler 45.0%～75.0%
Described high-alumina cement is selected from the A500 that Great Wall, Zhengzhou special cement company limited produces, A600, the aluminate cement product of the CA-50 series of A700 and A900 any.
Described redispersable latex powder is selected from the TH-701 redispersable latex powder that high section of Langfang Tsing-Hua University power-saving technology development centre produces; Anshun, Jinan reaches the VINAVIL E06PA redispersable latex powder that New Building Materials company limited produces; the VAE redispersable latex powder that wide building materials company limited produces converges in Shanghai; at least a in the SR3220 redispersable latex powder that the auspicious Science and Technology Ltd. of the SR3210 redispersable latex powder that name Ang Rui auspicious Science and Technology Ltd. in Beijing produces and Beijing name Ang Rui produces.
Described Vltra tears is selected from Anshun, Jinan and reaches Vltra tears, Shanghai that New Building Materials company limited produces and converge at least a in the Vltra tears that the happy scholar's latex powder of Vltra tears and Jinzhou City man factory that wide building materials company limited produces produces.
Described lignin fibre for building is selected from Anshun, Jinan and reaches wound in wood fibre that New Building Materials company limited produces, Beijing with containing at least a in the wood fibre of wood fibre that the auspicious Science and Technology Ltd. of wood fibre, Beijing name Ang Rui that Science and Technology Ltd. produces produces and Anhui two imperial wood fibre company limited in producing.
Described filler is the combination of any or they in ultra-fine barium sulfate, ultra-fine quartz sand, talcum powder, the mica powder.
Know-why of the present invention: the exterior wall base material treatment mortar with the Portland cement preparation still can be corroded in over a long time inevitably, use high-alumina cement can promote concrete resistance to acid, even the pH value of acid rain is reduced to below 4.5, the mortar for preparing with high-alumina cement can not destroy because weathering.Simultaneously, adopt the acidic substance such as some low-concentration hcls that in common acid rain environment, may exist, sulfuric acid, nitric acid, sulfurous acid then can avoid to a great extent acid rain to the erosion of buildings at the inert filler that chemical reaction does not occur normal temperature.The present invention is by adding high-alumina cement, greatly improved the chemical resistance of putty layer, make base material avoid the corrosion of acid rain, reduced between dope layer and the putty produce the disadvantage possibilities such as paint film adhesion reduces, bubbles, peels off in, also greatly increase the sticking power between putty and the basic unit, reduced the possibility of cracking.Simultaneously, adopt Chemical Composition also can reduce acid rain to the corrosive nature of buildings take barium sulfate as main filler.
Among the present invention, adopt Vltra tears, the mortar lifting high resistance is shunk and resistance to cracking, improve surface quality, improve cohesive strength.
Among the present invention, adopt lignin fibre for building, utilize its flexility effectively to reduce concrete fragility, improve folding strength, thereby improved concrete weather resistance; Simultaneously, solidify or drying process in the mechanical energy that produces weakened by fiber bar, effectively prevent be full of cracks; And lignin fibre for building has good liquid forces adsorptive power, and after mortar solidified, lignin fibre can stick in the sand-cement slurry tightly, as a kind of sealer coat, can prevent the infiltration of moisture and rainwater.
The present invention compares with other products has following advantage: versatility is good, is suitable for the closed protective of the area concrete skin base material under the Different climate; And has good sticking power between different substrate materials and the different water-based exterior wall paint; Acid Rain corrodibility, be difficult for efflorescence, not easy to crack; Excellent water resistance, prevent that exterior wall paint from bubbling and the disadvantage such as peel off, make the skin surface not be subject to corrosion and the infringement of acid rain.
Embodiment
Embodiment 1:
100 parts of meters by weight; drop into successively the A900 high-alumina cement that Great Wall, Zhengzhou special cement company limited produces in the mortar mixer: the TH-701 redispersable latex powder that 30.0 parts, high section of Langfang Tsing-Hua University power-saving technology development centre are produced: 10.0 parts, Shanghai converge the Vltra tears that wide building materials company limited produces: wound is with the wood fibre of containing Science and Technology Ltd. and producing in 8.0 parts, Beijing: 3.0 parts, the ultra-fine quartz sand of filler: 19.0 parts, filler talcum powder: 30.0 parts; stirred 35 minutes; the quality inspection sampling detects qualified rear packing.
Embodiment 2:
100 parts of meters by weight, drop into successively the A700 high-alumina cement that Great Wall, Zhengzhou special cement company limited produces in the mortar mixer: 25.0 parts, Anshun, Jinan reaches the VINAVIL E06PA redispersable latex powder that New Building Materials company limited produces: 12.0 parts, Anshun, Jinan reaches the Vltra tears that New Building Materials company limited produces: 10.0 parts, Anshun, Jinan reaches the wood fibre that New Building Materials company limited produces: 5.0 parts, filler ultra-fine barium sulfate: 12 parts, filler talcum powder: 36 parts, stirred 35 minutes, the quality inspection sampling detects qualified rear packing.
Embodiment 3:
100 parts of meters by weight; drop into successively the A600 high-alumina cement that Great Wall, Zhengzhou special cement company limited produces in the mortar mixer: 35.0 parts, Shanghai converge the VAE redispersable latex powder that wide building materials company limited produces: 10.0 parts, Shanghai converge the Vltra tears that wide building materials company limited produces: the wood fibre during the two imperial wood fibre of 8.0 parts, Anhui company limited produces: 5.0 parts, filler ultra-fine barium sulfate: 22 parts, filler talcum powder: 20 parts; stirred 35 minutes; the quality inspection sampling detects qualified rear packing.
Specific performance such as table 1 of the present invention:
Table 1
As known from Table 1, Physical properties of coating film test data of the present invention meets JG/T 157-2009 (P type) standard.
The present invention and common exterior wall putty Performance Ratio are such as table 2:
Table 2
Claims (1)
1. the exterior wall base material treatment mortar of an acid rain resistant, it is characterized in that, the exterior wall base material treatment mortar of described acid rain resistant adopts following methods to make: 100 parts of meters by weight, drop into successively the A700 high-alumina cement that Great Wall, Zhengzhou special cement company limited produces in the mortar mixer: 25.0 parts, Anshun, Jinan reaches the VINAVIL E06PA redispersable latex powder that New Building Materials company limited produces: 12.0 parts, Anshun, Jinan reaches the Vltra tears that New Building Materials company limited produces: 10.0 parts, Anshun, Jinan reaches the wood fibre that New Building Materials company limited produces: 5.0 parts, filler ultra-fine barium sulfate: 12 parts, filler talcum powder: 36 parts, stirred 35 minutes, the quality inspection sampling detects qualified rear packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100013027A CN102173690B (en) | 2011-01-05 | 2011-01-05 | Acid-rain-resistant mortar for exterior wall base material processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100013027A CN102173690B (en) | 2011-01-05 | 2011-01-05 | Acid-rain-resistant mortar for exterior wall base material processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102173690A CN102173690A (en) | 2011-09-07 |
| CN102173690B true CN102173690B (en) | 2013-02-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100013027A Expired - Fee Related CN102173690B (en) | 2011-01-05 | 2011-01-05 | Acid-rain-resistant mortar for exterior wall base material processing |
Country Status (1)
| Country | Link |
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| CN (1) | CN102173690B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909802A (en) * | 2015-05-21 | 2015-09-16 | 广东省建筑科学研究院集团股份有限公司 | Micro-foam board sound insulation cushion material dry powder interface agent and preparation method thereof |
| CN105837141A (en) * | 2016-04-26 | 2016-08-10 | 安徽坤隆新型建材有限公司 | Acid-resistant dry-mixed mortar |
| CN113105196A (en) * | 2021-04-07 | 2021-07-13 | 江苏欧西建材科技发展有限公司 | Efficient corrosion-resistant mortar |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1498297A (en) * | 1976-02-09 | 1978-01-18 | Building Adhesives Ltd | Composition for use in the installation of ceramic tiles |
| CN101328046A (en) * | 2008-07-29 | 2008-12-24 | 中国建筑材料科学研究总院 | Bonding mortar for exterior wall external insulation and preparation thereof |
| CN101475354A (en) * | 2008-10-29 | 2009-07-08 | 汕头经济特区龙湖科技有限公司 | Anti-crystalline bloom exterior wall facing mortar |
| CN101691288A (en) * | 2009-09-30 | 2010-04-07 | 谢日清 | Lightweight leveling mortar |
| CN101696099A (en) * | 2009-09-25 | 2010-04-21 | 北京艺高世纪科技股份有限公司 | Special fireproof mortar of plastic extrusion plate |
-
2011
- 2011-01-05 CN CN2011100013027A patent/CN102173690B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1498297A (en) * | 1976-02-09 | 1978-01-18 | Building Adhesives Ltd | Composition for use in the installation of ceramic tiles |
| CN101328046A (en) * | 2008-07-29 | 2008-12-24 | 中国建筑材料科学研究总院 | Bonding mortar for exterior wall external insulation and preparation thereof |
| CN101475354A (en) * | 2008-10-29 | 2009-07-08 | 汕头经济特区龙湖科技有限公司 | Anti-crystalline bloom exterior wall facing mortar |
| CN101696099A (en) * | 2009-09-25 | 2010-04-21 | 北京艺高世纪科技股份有限公司 | Special fireproof mortar of plastic extrusion plate |
| CN101691288A (en) * | 2009-09-30 | 2010-04-07 | 谢日清 | Lightweight leveling mortar |
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| Publication number | Publication date |
|---|---|
| CN102173690A (en) | 2011-09-07 |
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Inventor after: Li Tengfei Inventor after: Fu Chuanjie Inventor after: Tan Junfeng Inventor after: Zhou Weijian Inventor after: Li Junrong Inventor after: Li Shuyan Inventor after: Liang Zhenlin Inventor after: Guo Quanjian Inventor after: Li Guangqiang Inventor after: Mo Yonghua Inventor before: Zhou Weijian Inventor before: Fu Chuanjie Inventor before: Tan Junfeng Inventor before: Li Junrong Inventor before: Li Shuyan Inventor before: Li Tengfei Inventor before: Liang Zhenlin Inventor before: Guo Quanjian Inventor before: Li Guangqiang Inventor before: Mo Yonghua |
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Free format text: CORRECT: INVENTOR; FROM: ZHOU WEIJIAN TAN JUNFENG LI JUNRONG LI SHUYAN LI TENGFEI LIANG ZHENLIN GUO QUANJIAN LI GUANGQIANG MO YONGHUA FU ZHUANJIE TO: LI TENGFEI TAN JUNFENG ZHOU WEIJIAN LI JUNRONG LI SHUYAN LIANG ZHENLIN GUO QUANJIAN LI GUANGQIANG MO YONGHUA FU ZHUANJIE |
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Application publication date: 20110907 Assignee: Guangdong Yaoda Financial Leasing Co.,Ltd. Assignor: GUANGDONG MAYDOS BUILDING MATERIALS Co.,Ltd. Contract record no.: X2021980012304 Denomination of invention: An acid rain resistant exterior wall base material treatment mortar Granted publication date: 20130227 License type: Exclusive License Record date: 20211112 |
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Denomination of invention: An acid rain resistant exterior wall base material treatment mortar Effective date of registration: 20211116 Granted publication date: 20130227 Pledgee: Guangdong Yaoda Financial Leasing Co.,Ltd. Pledgor: GUANGDONG MAYDOS BUILDING MATERIALS Co.,Ltd. Registration number: Y2021980012545 |
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