CN104973832B - Anti-crack mortar and preparation method therefor - Google Patents
Anti-crack mortar and preparation method therefor Download PDFInfo
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- CN104973832B CN104973832B CN201510333002.7A CN201510333002A CN104973832B CN 104973832 B CN104973832 B CN 104973832B CN 201510333002 A CN201510333002 A CN 201510333002A CN 104973832 B CN104973832 B CN 104973832B
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- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000843 powder Substances 0.000 claims abstract description 49
- 239000004568 cement Substances 0.000 claims abstract description 36
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims abstract description 20
- 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 claims abstract description 20
- 239000004743 Polypropylene Substances 0.000 claims abstract description 18
- -1 polypropylene Polymers 0.000 claims abstract description 18
- 229920001155 polypropylene Polymers 0.000 claims abstract description 18
- 239000010883 coal ash Substances 0.000 claims abstract description 17
- 239000004576 sand Substances 0.000 claims abstract description 16
- 239000004816 latex Substances 0.000 claims abstract description 14
- 229920000126 latex Polymers 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 7
- 239000011575 calcium Substances 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 19
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 9
- 239000005977 Ethylene Substances 0.000 claims description 9
- 229920002472 Starch Polymers 0.000 claims description 8
- 239000008107 starch Substances 0.000 claims description 8
- 235000019698 starch Nutrition 0.000 claims description 8
- 239000000839 emulsion Substances 0.000 claims description 7
- 239000005871 repellent Substances 0.000 claims description 7
- 230000002940 repellent Effects 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 6
- 239000000194 fatty acid Substances 0.000 claims description 6
- 229930195729 fatty acid Natural products 0.000 claims description 6
- 150000004665 fatty acids Chemical class 0.000 claims description 6
- 239000004088 foaming agent Substances 0.000 claims description 6
- 229920001567 vinyl ester resin Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 239000002893 slag Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 3
- 229920002554 vinyl polymer Polymers 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 231100000252 nontoxic Toxicity 0.000 abstract 1
- 230000003000 nontoxic effect Effects 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 238000010276 construction Methods 0.000 description 7
- 229920002522 Wood fibre Polymers 0.000 description 5
- 239000002025 wood fiber Substances 0.000 description 5
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 4
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 4
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000011083 cement mortar Substances 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000010440 gypsum Substances 0.000 description 3
- 229910052602 gypsum Inorganic materials 0.000 description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000011431 lime mortar Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000276489 Merlangius merlangus Species 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000011469 building brick Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to an anti-crack mortar and a preparation method therefor. The anti-crack mortar comprises the following components by weight percentage: 28-30% of cement, 10-6% of coal ash or 5%-10% of glass powder, 5% of heavy calcium, 57-59% of medium-coarse sand, 0.3% of HPMC, 1.5-2% of latex powder, 0.2% of water Shen agent, 0.3% of polypropylene fiber and 0-0.3% of other additives, wherein the HPMC is hydroxypropyl methylcellulose with viscosity being 100,000. According to the present invention, waste coal ash (glass powder) is used, so as to protect the environment and save energy; The mortar has good fluidity and water retention, thereby facilitating mixing. The hardened mortar has high hardness and high strength, and is non-toxic and high in stability.
Description
Technical Field
The invention relates to a building material, in particular to anti-crack mortar and a preparation method thereof.
Background
Mortar refers to a bonding substance used for building bricks on buildings, and is formed by adding water into sand and cementing materials (cement, lime paste, clay and the like) according to a certain proportion, and is also called mortar and also used as mortar. The mortar is prepared by mixing a cementing material (cement, lime, clay and the like) and fine aggregate (sand) with water. Cement mortars, mixed mortars (or cement lime mortars), lime mortars and clay mortars are commonly used.
The mixed mortar takes cement and gypsum powder as gelatinizing agents, has the advantages of softness, good water-retaining property, convenient construction and the like, and has the defects of poor water resistance, large shrinkage, low caking property, poor durability, easy cracking and dust explosion and incapability of being used for plastering in a humid environment and an external wall; although the cement mortar can overcome the defects of mixed mortar, the cement mortar has the defects of poor workability, much water seepage, high cement consumption and quick hardening. Conventional bonding mortars are generally divided into two types, one-component and multi-component. The single component means that a mortar production enterprise mixes and homogenizes a plurality of components and then packages the components into bags, adds water according to the water adding amount specified in the proportion on a construction site, and uniformly stirs the components for use; the multi-component mortar is composed of two or more than two components such as a powder component and a colloid component, and the two or more than two components are mixed according to a ratio specified in a construction site and are uniformly stirred for use. Because at least one of the components of the multi-component mortar is in a liquid state, the multi-component mortar is inconvenient to transport and store, and is difficult to store in winter.
Disclosure of Invention
The invention aims to provide anti-crack mortar which is environment-friendly, energy-saving, easy to transport, easy to mix and high in stability and a preparation method thereof, and the specific technical scheme is as follows:
the anti-crack mortar further comprises the following components in percentage by weight:
cement: 28 to 30 percent of the total weight of the steel,
coal ash: 3 to 5 percent of the total weight of the steel,
glass powder: 3 percent to 5 percent,
heavy calcium: 5 percent of the total weight of the mixture,
medium coarse sand: 57 to 59 percent of the total weight of the alloy,
HPMC：0.3%，
emulsion powder: 1.5 to 2 percent of the total weight of the alloy,
water repellent: 0.2 percent of the total weight of the mixture,
polypropylene fiber: 0.3 percent of the total weight of the mixture,
other additives: 0 to 0.3 percent of the total weight of the mixture,
wherein,
the cement is mixed with blast furnace slag to form a cement mixture which is mixed with the cement according to the ratio of 8: 1, grinding blast furnace slag into powder with the specific surface area of 450-500 m2Per kg, adding 1-2% of the cement mixture amount of the composite high-efficiency mortar foaming agent containing air entraining effect into the cement mixture;
the coal ash is more than two-stage coal ash obtained by dry winnowing;
the medium coarse sand adopts the following requirements of particle size and gradation: 0 to 3% by weight in a range of 3 to 3.5mm, 60 to 80% by weight in a range of 1.8 to 2mm, 25 to 35% by weight in a range of 0.425 to 1.175mm, and 0 to 3% by weight in a range of 0.001 to 0.424 mm;
the latex powder is redispersible latex powder and comprises: 37 percent of vinyl acetate and ethylene copolymerized rubber powder, 29 percent of ethylene, vinyl chloride and vinyl metasilicate ternary copolymerized rubber powder, 21 percent of vinyl acetate, ethylene and higher fatty acid vinyl ester ternary copolymerized rubber powder, 11 percent of vinyl acetate and higher fatty acid vinyl ester copolymerized rubber powder and 2 percent of vinyl acetate homopolymerized rubber powder;
the polypropylene fiber is an anti-crack fiber with the length of 5-10mm, and comprises 78% of polypropylene monofilament fiber, 12% of polyester fiber and 10% of polyacrylonitrile fiber;
the HPMC is added with starch ether ST2100 with the dosage of HPMC of 2-2.7%, and the HPMC adopts hydroxypropyl methyl cellulose with 10 ten thousand viscosity.
Furthermore, the polypropylene fiber is an anti-crack fiber with the length of 9mm, the medium coarse sand adopts quartz sand, and the other additives adopt beta semi-hydrated gypsum, and the mixing amount of the beta semi-hydrated gypsum is 0.3 percent.
Further, the wood fiber composite material also comprises 0.4% of wood fiber, 2% of polymer emulsion and 0.2-0.4% of hydroxypropyl cellulose.
Further, the cement is ordinary portland cement with strength grade 32.5 or 42.5.
Further, the polypropylene fiber is one or more of polypropylene monofilament fiber, polyester fiber or polyacrylonitrile fiber with the length of 9 mm.
The preparation method of the anti-crack mortar comprises the following steps:
(1) preparing and weighing each component according to a preset proportion;
(2) putting 1/3-half of cement, half of coal ash, half of glass powder, half of heavy calcium carbonate, half of medium coarse sand and 1/3-half of HPMC into a stirrer, and stirring for 1-1.5 minutes;
(3) putting the latex powder and the water repellent into a stirrer, and stirring for 1-1.5 minutes;
(4) putting the rest cement, coal ash, glass powder, coarse heavy calcium, medium sand and HPMC into a stirrer, and stirring for 1-1.5 minutes;
(5) adding the polypropylene fiber and other additives into a stirrer, and stirring for 1-3 minutes;
(6) 3-5 of the material obtained in the step (4): 1, preparing clear water;
(7) pouring clear water into the container, adding the materials, and stirring for 3-10 minutes until the materials are uniform;
(8) standing for 5-8 minutes;
(9) stirring again for 1-3 minutes.
Further, the stirrer is a double horizontal shaft conical double-helix stirrer.
Further, when the cement is added in the step (2), a foaming agent with the dosage of 1% of the cement is simultaneously doped, starch ether with the dosage of 2% of the HPMC is doped in the HPMC, and the beta hemihydrate gypsum is 0.3%.
Further, 0.4% of wood fiber, 2% of polymer emulsion and 0.2-0.4% of hydroxypropyl cellulose are added in the step (5).
Compared with the prior art, the anti-crack mortar provided by the invention has the advantages of simple process, easiness in implementation, high production efficiency, reasonable formula design, high curing speed, high strength, wear resistance, better flexibility, impact resistance and vibration resistance, good fluidity and easiness in construction; the preparation method provided by the invention has the advantages of simple process, easiness in construction, greatly shortened construction period, improved construction efficiency and contribution to wide popularization and application. Specifically, the method comprises the following steps: (1) waste coal ash (glass powder) can be utilized, so that the environment is protected and the energy is saved; (2) the mortar has good fluidity and water retention property, thereby being easy to mix; (3) the hardness and the strength of the hardened mortar are high; (4) no poison and high stability.
Detailed Description
The present invention is described in detail below as a preferred example of various embodiments of the present invention.
The mortar formulation in one embodiment employs:
cement: 28-30%;
coal ash: 10-6% (5-10% of glass powder can be used for substitution);
heavy calcium: 5 percent;
medium coarse sand: 57-59%;
HPMC (hydroxypropylmethylcellulose) with a viscosity of 10 ten thousand: 0.3 percent;
emulsion powder: 1.5-2%;
water repellent: 0.2 percent;
polypropylene fiber: 0.3 percent.
In a preferred embodiment, the anti-crack mortar comprises the following components in percentage by weight: cement: 28-30%, coal ash: 10-6% or 5-10% of glass powder, heavy calcium: 5%, medium grit: 57-59%, HPMC: 0.3%, latex powder: 1.5-2%, water repellent: 0.2%, polypropylene fiber: 0.3%, other additives: 0-0.3 percent, wherein the HPMC adopts hydroxypropyl methyl cellulose with 10 ten thousand viscosity. The composite high-efficiency mortar foaming agent containing the air entraining effect, the amount of which is 2 percent of the amount of cement, is doped in the cement, the amount of starch ether, the amount of which is 3.7 percent of the amount of HPMC, is doped in the HPMC, the polypropylene fiber is anti-crack fiber with the length of 9mm, the medium coarse sand adopts quartz sand, and the latex powder is redispersible latex powder, and the doping amount is 1.7 to 2.0 percent; in addition, beta hemihydrate gypsum is adopted as other additive, and the mixing amount of the beta hemihydrate gypsum is 0.3%. Also comprises 0.4 percent of wood fiber, 2 percent of polymer emulsion and 0.2 to 0.4 percent of hydroxypropyl cellulose. The cement is ordinary portland cement with strength grade of 32.5 or 42.5. The redispersible latex powder is: 37% of vinyl acetate and ethylene copolymerized rubber powder, 29% of ethylene, vinyl chloride and vinyl metasilicate ternary copolymerized rubber powder, 21% of vinyl acetate, ethylene and higher fatty acid vinyl ester ternary copolymerized rubber powder, 11% of vinyl acetate and higher fatty acid vinyl ester copolymerized rubber powder and 2% of vinyl acetate homopolymerized rubber powder; the water reducing agent is water reducing agent F10, the starch ether is starch ether ST2100, and the redispersible latex powder is redispersible latex powder 5010N. The polypropylene fiber is one or more of polypropylene monofilament fiber, polyester fiber or polyacrylonitrile fiber with the length of 9 mm.
In a preferred embodiment, the preparation method comprises the following steps:
(1) preparing and weighing each component according to a preset proportion;
(2) putting 1/3-half of cement, half of coal ash or glass powder, half of heavy calcium carbonate, half of medium coarse sand and 1/3-half of HPMC into a double horizontal shaft conical double-helix stirrer, stirring for 1-1.5 minutes, simultaneously doping a foaming agent with 1% of the dosage of the cement, starch ether with 2% of the dosage of the HPMC and 0.3% of beta hemihydrate gypsum when the cement is put into the double horizontal shaft conical double-helix stirrer;
(3) putting the latex powder and the water repellent into a stirrer, and stirring for 1-1.5 minutes;
(4) adding the rest cement, coal ash or glass powder, coarse whiting, medium coarse sand and HPMC into a stirrer, and stirring for 1-1.5 minutes;
(5) adding polypropylene fiber and other additives into a stirrer, stirring for 1-3 min, and adding 0.4% of wood fiber, 2% of polymer emulsion and 0.2-0.4% of hydroxypropyl cellulose;
(6) 3-5 of the material obtained in the step (4): 1, preparing clear water;
(7) pouring clear water into the container, adding the materials, and stirring for 3-10 minutes until the materials are uniform;
(8) standing for 5-8 minutes;
(9) stirring again for 1-3 minutes.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various modifications, which may be made by the methods and technical solutions of the invention, or may be applied to other applications without modification.
Claims (2)
1. The anti-crack mortar is characterized by comprising the following components in percentage by weight:
cement: 28 to 30 percent of the total weight of the steel,
coal ash: 3 to 5 percent of the total weight of the steel,
glass powder: 3 percent to 5 percent,
heavy calcium: 5 percent of the total weight of the mixture,
medium coarse sand: 57 to 59 percent of the total weight of the alloy,
HPMC：0.3%，
emulsion powder: 1.5 to 2 percent of the total weight of the alloy,
water repellent: 0.2 percent of the total weight of the mixture,
polypropylene fiber: 0.3 percent of the total weight of the mixture,
beta hemihydrate gypsum: 0.3 percent of the total weight of the mixture,
wherein,
the cement is mixed with blast furnace slag to form a cement mixture, and the cement and the blast furnace slag are mixed according to the ratio of 8: 1, grinding blast furnace slag into powder with the specific surface area of 450-500 m2Per kg, adding 1-2% of the cement mixture amount of the composite high-efficiency mortar foaming agent containing air entraining effect into the cement mixture;
the coal ash is more than two-stage coal ash obtained by dry winnowing;
the medium coarse sand adopts the following requirements of particle size and gradation: 0 to 3% by weight in a range of 3 to 3.5mm, 60 to 80% by weight in a range of 1.8 to 2mm, 25 to 35% by weight in a range of 0.425 to 1.175mm, and 0 to 3% by weight in a range of 0.001 to 0.424 mm;
the latex powder is redispersible latex powder and comprises: 37 percent of vinyl acetate and ethylene copolymerized rubber powder, 29 percent of ethylene, vinyl chloride and vinyl metasilicate ternary copolymerized rubber powder, 21 percent of vinyl acetate, ethylene and higher fatty acid vinyl ester ternary copolymerized rubber powder, 11 percent of vinyl acetate and higher fatty acid vinyl ester copolymerized rubber powder and 2 percent of vinyl acetate homopolymerized rubber powder;
the polypropylene fiber is an anti-crack fiber with the length of 9mm, and comprises 78% of polypropylene monofilament fiber, 12% of polyester fiber and 10% of polyacrylonitrile fiber;
the HPMC is added with starch ether ST2100 with the dosage of HPMC of 2-2.7%, and the HPMC adopts hydroxypropyl methyl cellulose with 10 ten thousand viscosity.
2. The method for preparing the anti-crack mortar according to claim 1, comprising the steps of:
(1) preparing and weighing each component according to a preset proportion;
(2) putting 1/3-half of cement, half of coal ash, half of glass powder, half of heavy calcium carbonate, half of medium coarse sand and 1/3-half of HPMC into a stirrer, stirring for 1-1.5 minutes, wherein the stirrer is a double horizontal shaft conical double-helix stirrer, foaming agent with 1% of cement dosage is simultaneously doped when the cement is put into the stirrer, starch ether with 2% of HPMC dosage is doped into the HPMC, and beta hemihydrate gypsum with 0.3%;
(3) putting the latex powder and the water repellent into a stirrer, and stirring for 1-1.5 minutes;
(4) putting the rest cement, coal ash, glass powder, coarse heavy calcium, medium sand and HPMC into a stirrer, and stirring for 1-1.5 minutes;
(5) adding the polypropylene fiber and other additives into a stirrer, and stirring for 1-3 minutes;
(6) 3-5 of the material obtained in the step (4): 1, preparing clear water;
(7) pouring clear water into the container, adding the materials, and stirring for 3-10 minutes until the materials are uniform;
(8) standing for 5-8 minutes;
(9) stirring again for 1-3 minutes.
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| CN105801055A (en) * | 2016-04-01 | 2016-07-27 | 重庆市胡特建材有限公司 | Novel anti-crack mortar and preparation method thereof |
| CN107130695A (en) * | 2017-04-27 | 2017-09-05 | 安徽汇昌新材料有限公司 | Foam glass external thermal insulation system and its construction method |
| CN107200529A (en) * | 2017-05-26 | 2017-09-26 | 深圳港创建材股份有限公司 | A kind of mortar joint and preparation method thereof |
| CN107686285A (en) * | 2017-07-05 | 2018-02-13 | 中国十七冶集团有限公司 | A kind of cement mortar of efficiently cracking resistance |
| CN107857534A (en) * | 2017-11-03 | 2018-03-30 | 广西美展化工科技有限公司 | High crack resistance type cement batch lime and brick and preparation method thereof |
| CN107973565B (en) * | 2018-01-26 | 2020-06-05 | 内蒙古绰勒水利水电有限责任公司 | Anti-corrosion and anti-freezing mortar and preparation method thereof |
| CN108558285A (en) * | 2018-04-24 | 2018-09-21 | 常州思宇知识产权运营有限公司 | A kind of cracking resistance heat-insulating finishing mortar |
| CN108383456B (en) * | 2018-04-28 | 2019-04-02 | 福建省恒鼎建筑工程有限公司 | A kind of cracking resistance, durable cement mortar and preparation method thereof |
| CN111747705A (en) * | 2020-06-12 | 2020-10-09 | 上海大学 | Preparation method and application of special bonding mortar material for foam glass external thermal insulation system |
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| CN102659371A (en) * | 2012-05-18 | 2012-09-12 | 江西博康特建材有限公司 | Polymer modified external wall heat insulation anti-crack mortar and preparation method of polymer modified external wall heat insulation anti-crack mortar |
| CN102912866A (en) * | 2012-09-29 | 2013-02-06 | 池州市崇源节能建筑材料有限公司 | External thermal insulation system with low-thermal-conductivity and high-strength mortar |
| CN103172314A (en) * | 2013-03-28 | 2013-06-26 | 海达建设集团有限公司 | Polycrystal inorganic lightweight aggregate thermal insulation mortar |
| CN103410232A (en) * | 2013-08-02 | 2013-11-27 | 安徽中瑞节能装饰材料集团有限公司 | Outer-wall external thermal-insulating system utilizing inorganic compound thermal-insulating board |
| CN103951365A (en) * | 2014-04-15 | 2014-07-30 | 华南理工大学 | Portland cement-sulphate aluminum cement-gypsum-polymer composite waterproof mortar and preparation method thereof |
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