CN101717232A - High-performance lightweight composite mortar - Google Patents
High-performance lightweight composite mortar Download PDFInfo
- Publication number
- CN101717232A CN101717232A CN200910311426A CN200910311426A CN101717232A CN 101717232 A CN101717232 A CN 101717232A CN 200910311426 A CN200910311426 A CN 200910311426A CN 200910311426 A CN200910311426 A CN 200910311426A CN 101717232 A CN101717232 A CN 101717232A
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- Prior art keywords
- parts
- mortar
- lightweight composite
- composite mortar
- performance
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- 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.)
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Links
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 76
- 239000002131 composite material Substances 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000009413 insulation Methods 0.000 claims abstract description 23
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000004568 cement Substances 0.000 claims abstract description 12
- 239000002893 slag Substances 0.000 claims abstract description 10
- 239000004576 sand Substances 0.000 claims abstract description 7
- 239000002562 thickening agent Substances 0.000 claims abstract description 6
- 230000008719 thickening Effects 0.000 claims description 15
- 150000001875 compounds Chemical class 0.000 claims description 13
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229910052599 brucite Inorganic materials 0.000 claims description 3
- 229920003086 cellulose ether Polymers 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 12
- 238000005336 cracking Methods 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000002265 prevention Effects 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 239000004566 building material Substances 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000012779 reinforcing material Substances 0.000 abstract 1
- 238000009877 rendering Methods 0.000 abstract 1
- 230000002940 repellent Effects 0.000 abstract 1
- 239000005871 repellent Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 24
- 239000010410 layer Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 229920002223 polystyrene Polymers 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000001181 organosilyl group Chemical group [SiH3]* 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying 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
Abstract
The invention relates to the field of building materials, in particular to high-performance lightweight composite mortar, which is characterized by comprising the following substances in part by weight: 250 to 350 parts of cement, 120 to 200 parts of reinforcing material, 160 to 200 parts of composite heat insulation aggregate, 0.5 to 2.0 parts of short fibers, 0.2 to 1.5 parts of water repellent, 0.5 to 2.0 parts of thickening agent, 5 to 10 parts of re-dispersible powder and 300 to 400 parts of furnace slag sand. Compared with the prior art, the high-performance lightweight composite mortar can effectively save the use of materials such as cement and the like, meanwhile has good performance of water holding, cracking resistance, water prevention, fire prevention and the like and good adhesive force and flow resistance, avoids hollowing and cracking, meets various performance requirements of a rendering layer, and has the remarkable advantages of energy conservation, environmental protection, simple construction, high strength, low cost, good product quality and the like.
Description
Technical field:
The present invention relates to building material field, specifically a kind of high-performance lightweight composite mortar.
Background technology:
As everyone knows, as the gas concrete of novel wall material, be used widely in the last few years.But when wideling popularize application novel wall material and External Thermal Insulation Technology for External, the quality problems of body of wall are more and more, problems such as metope cracking, hollowing, seepage have appearred in many engineering constructions, and its major cause is to use common sand-cement slurry to carry out building by laying bricks or stones and wiping one's face of gas concrete.Developed the gas concrete special use for this reason in the industry and build by laying bricks or stones and plastering mortar, the Ministry of Construction has issued JC890-2001＜steam-pressing aero-concrete with masonry mortar and plastering mortar〉industry standard, to prevent to stop the generation of the problems referred to above.
Yet problem is not resolved easily, problems such as metope cracking, hollowing, seepage still happen occasionally. and one of tracing it to its cause is exactly the thermal conductivity height of most special masonry mortar, be generally 0.8-1 (industry standard for≤1.1W/M.K), and the thermal conductivity of gas concrete is corresponding smaller, with B06 level gas concrete is that its thermal conductivity of example only is 0.20 (water ratio 6%), because of the linear expansivity of temperature variation is about 8 * 10
-Amm, the linear expansivity of masonry mortar temperature variation is about 10
-A, this shows that thermal conductivity between the two is mutually far short of what is expected with linear expansivity, so variation along with envrionment temperature, masonry mortar absorb and release of heat all than fast many of gas concrete, and temperature variation is also big, thereby between two kinds of materials, produce the bigger temperature difference, because both linear expansivitys is inconsistent, make Deformation velocity that masonry mortar takes place along with temperature variation than fast many of the Deformation velocity of gas concrete, this just makes and has produced bigger temperature deformation stress between two kinds of materials, inevitably cracking phenomena can appear just, in addition in skeleton construction, owing to have metal fixing to be connected between frame column and the body of wall, reinforced mesh must be imbedded and build a mouthful mortar joint, make mortar joint generally all about 10-20mm, every like this square meter metope has the mortar joint of nearly 0.1 square meter approximately, it is long-pending to form bigger cold (heat) bridge floor, thereby aggravated cracking phenomena, especially at the concentrated air-entrained concrete building block of stress ratio, moreover, skeleton construction is filled the building block of making such as materials such as gas concrete, this is the primary structure form of China's building, but owing to comprise that the packing material thermal property of gas concrete all can not satisfy the building energy conservation requirement, most of stickup of Masonry Wall body or spraying organic insulation material of adopting is (as EPS, XPS, RPU etc.) way of porous plastics.But the problem that this way operation is many, easily produce hollowing, cracking, seep water, come off, worm ant moth loses, particularly fire resistance is poor, also make gas concrete can't be directly used in the gas concrete metope, so the consumption of gas concrete usefulness plastering mortar seldom with plastering mortar.Apply comparatively difficulty.The way of adhesive polystyrene granule heat-insulating mortar external thermal insulation system, though remedied the deficiency of B06 gas concrete thermal property, but, not only increased working procedure but also increased cost owing on the adhesive polystyrene granule heat-insulating mortar layer, also need do the cracking resistance surface layer.Domestic in recent years release adopts gas concrete to utilize the way of masonry self thermal and insulating performance.Be aerated concrete wall body B05 level aerated blocks, no longer additional lagging material, thermal insulation layer is done with low molten heavy B03, B04 level gas concrete in the beam column position.This way makes construction more simple undoubtedly, and fire resistance is preferably arranged, but because aerated blocks B03, B04, B05 production requirement height, yield poorly, the cost height, a lot of areas can not produce this product, utilize the way of the heat insulating sexual satisfaction thermal technology requirement of gas concrete self to be difficult to carry out in the area of not having low molten heavy gas concrete product for this reason.In addition, the construction of steam-pressing aero-concrete body of wall at present needs with building and wipe one's face two kinds of mortar materials by laying bricks or stones, and using for the material keeping in building site makes troubles and bother.
Summary of the invention:
The present invention at the present situation of domestic and international existing building mortar production technology, provides a kind of easy construction, intensity height, low, the well-insulated high-performance lightweight composite mortar of cost in order to overcome the deficiencies in the prior art.
The technical measures that the present invention adopts are:
A kind of high-performance lightweight composite mortar, it is characterized in that institute comprises each material and content is: cement 250-350 part, supporting material 120-200 part, compound heat-insulation aggregate 160-200 part, staple fibre 0.5-2.0 part, hydrophober 0.2-1.5 part, thickening material 0.5-2.0 part, redispersible powder 5-10 part, slag sand 300-400 part.
Each set of dispense ratio described in the present invention can be 300 parts of cement, 160 parts of supporting materials, 80 parts in compound heat-insulation aggregate, 1 part on staple fibre, 1.0 parts of hydrophober, 1.0 parts of thickening materials, 8 parts in redispersible powder, 350 parts of slag sands.
Supporting material described in the present invention is calcium sulfate, brucite, and wherein calcium sulfate is 60 parts, and 100 parts of brucites in order to the time of coagulation of adjusting mortar, and guarantee that mortar has good later strength.
Staple fibre among the present invention can adopt one or more the mixture in poly-third fiber, mineral fibre, the alkali resistant glass fibre, is used for improving effectively the cracking resistance of mortar, impervious, anti-impact mill and freeze proof ability.
The compound heat-insulation aggregate can adopt glass bead among the present invention, and glass bead belongs to inorganic lightweight aggregate, can make mortar obtain thermal property preferably, thereby becomes the plastering mortar with heat-insulating property.
Thickening material can adopt cellulose ethers organic thickening agent or propylene class organic thickening agent among the present invention, is used for carrying out water-keeping thickening in mortar, improves application property and the wet viscosity of mortar etc.
Hydrophober can adopt organosilicon among the present invention, thereby reduces water-absorbent effectively, improves the workability of mortar.
Redispersible powder among the present invention is a high molecular polymer, comprise supporting material, compound heat-insulation aggregate, staple fibre, hydrophober, thickening material, redispersible powder, proportion is respectively supporting material 120-200 part, compound heat-insulation aggregate 160-200 part, staple fibre 0.5-2.0 part, hydrophober 0.2-1.5 part, thickening material 0.5-2.0 part, redispersible powder 5-10 part, can increase the water-retentivity of mortar effectively, improve force of cohesion.
The present invention compared with prior art, in proportioning, add slag sand, can save the use of materials such as cement effectively, simultaneously can make mortar have good water conservation, anticracking, waterproof, performances such as fire prevention, mortar is abundant aquation in use, agglomerative is more closely knit, and make mortar have good cohesive force and sag resistance, stop hollowing, rimose produces, satisfy every performance requriements of float coat, make mortar have plastering mortar and the dual performance of thermal insulation mortar concurrently, have energy-conserving and environment-protective, construction is simple, the intensity height, cost is low, significant advantage such as good product quality.
Embodiment:
The technical measures that the present invention adopts are:
A kind of high-performance lightweight composite mortar, it is characterized in that institute comprises each material and content is: cement 250-350 part, supporting material 120-200 part, compound heat-insulation aggregate 160-200 part, staple fibre 0.5-2.0 part, hydrophober 0.2-1.5 part, thickening material 0.5-2.0 part, redispersible powder 5-10 part, slag sand 300-400 part.
Each set of dispense ratio described in the present invention can be 300 parts of cement, 160 parts of supporting materials, 80 parts in compound heat-insulation aggregate, 1 part on staple fibre, 1.0 parts of hydrophober, 1.0 parts of thickening materials, 8 parts in redispersible powder, 350 parts of slag sands.
Supporting material described in the present invention is calcium sulfate, brucite, and wherein calcium sulfate is 60 parts, and 100 parts of brucites in order to the time of coagulation of adjusting mortar, and guarantee that mortar has good later strength.
Staple fibre among the present invention can adopt one or more the mixture in poly-third fiber, mineral fibre, the alkali resistant glass fibre, is used for improving effectively the cracking resistance of mortar, impervious, anti-impact mill and freeze proof ability.
The compound heat-insulation aggregate can adopt glass bead among the present invention, and glass bead belongs to inorganic lightweight aggregate, can make mortar obtain thermal property preferably, thereby becomes the plastering mortar with heat-insulating property.
Thickening material can adopt cellulose ethers organic thickening agent or propylene class organic thickening agent among the present invention, is used for carrying out water-keeping thickening in mortar, improves application property and the wet viscosity of mortar etc.
Hydrophober can adopt organosilicon among the present invention, thereby reduces water-absorbent effectively, improves the workability of mortar.
Redispersible powder among the present invention is a high molecular polymer, comprise supporting material, compound heat-insulation aggregate, staple fibre, hydrophober, thickening material, redispersible powder, proportion is respectively 120-200 part, 160-200 part, 0.5-2.0 part, 0.2-1.5 part, 0.5-2.0 part, 5-10 part, can increase the water-retentivity of mortar effectively, improve force of cohesion.
The present invention compared with prior art, in proportioning, add slag sand, can save the use of materials such as cement effectively, simultaneously can make mortar have good water conservation, anticracking, waterproof, performances such as fire prevention, mortar is abundant aquation in use, agglomerative is more closely knit, and make mortar have good cohesive force and sag resistance, stop hollowing, rimose produces, satisfy every performance requriements of float coat, make mortar have plastering mortar and the dual performance of thermal insulation mortar concurrently, have energy-conserving and environment-protective, construction is simple, the intensity height, cost is low, significant advantage such as good product quality.
Show that according to using the every performance index of mortar of the present invention are as follows:
| Dry density | ??855kg/M3 |
| Delamination degree | ??12mm |
| Time of coagulation | ??3h15min |
| Thermal conductivity | ??0.16W/M.K |
| Ultimate compression strength | ??5.9MP |
| Cohesive strength | ??0.26MP |
| Frost resistance | 25 times |
| Mass loss | ??4.4％ |
| Loss of strength | ??12.3％ |
| Shrinkage | ??0.94mm/M |
Every performance index detected result of the present invention and test are used and are shown
This product satisfies the every performance requriements of industry standard to special-purpose aerated concrete plastering mortar, thereby guaranteed with its excellent water retention property that the moisture content in the masonry mortar can be when the trowelling not be siphoned away by the gas concrete of vesicular structure and caused dehydration, aquation is insufficient, contraction is too fast, intensity is not high, produce problem of cracks, match with alkali resistant glass fibre open weave cloth and form the surface layer of flexible break resistant in the screed outside, organosilyl interpolation simultaneously makes mortar obtain more excellent hydrophobicity performance, thereby reduce the water-absorbent of material, for anti-cracking, infiltration have increased barrier one; The present invention collects auxiliary thermal insulation layer and protective facing and one except that having steam-pressing aero-concrete with the performance that also possesses thermal insulation mortar the performance of plastering mortar.
The present invention can collect auxiliary thermal insulation layer and protective facing and one with its good performance; construction operation is simplified; the similar way that also need do the cracking resistance surface layer on the adhesive polystyrene granule heat-insulating mortar layer no longer appears; material and labour cost have been saved; in addition high-performance lightweight composite mortar is because of adding inorganic lightweight aggregate as lagging material; thereby strengthened fire performance; also improved simultaneously the flameproof protection of the beam column position being pasted organic insulation material; compared with prior art; in proportioning, add slag sand; can save the use of materials such as cement effectively; simultaneously can make mortar have good water conservation; anticracking; waterproof; performances such as fire prevention; mortar is abundant aquation in use; agglomerative is more closely knit; and make mortar have good cohesive force and sag resistance; stop hollowing; rimose produces; satisfy every performance requriements of float coat; make mortar have plastering mortar and the dual performance of thermal insulation mortar concurrently, have energy-conserving and environment-protective; construction is simple; the intensity height; cost is low; significant advantage such as good product quality.
Claims (8)
1. high-performance lightweight composite mortar, it is characterized in that institute comprises each material and content is: cement 250-350 part, supporting material 120-200 part, compound heat-insulation aggregate 160-200 part, staple fibre 0.5-2.0 part, hydrophober 0.2-1.5 part, thickening material 0.5-2.0 part, redispersible powder 5-10 part, slag sand 300-400 part.
2. a kind of high-performance lightweight composite mortar according to claim 1 is characterized in that described each set of dispense ratio is: 300 parts of cement, 160 parts of supporting materials, 80 parts in compound heat-insulation aggregate, 1 part on staple fibre, 1.0 parts of hydrophober, 1.0 parts of thickening materials, 8 parts in redispersible powder, 350 parts of slag sands.
3. a kind of high-performance lightweight composite mortar according to claim 1 is characterized in that supporting material is calcium sulfate, brucite, and its proportioning is: 60 parts in calcium sulfate, 100 parts of brucites.
4. a kind of high-performance lightweight composite mortar according to claim 1 is characterized in that described staple fibre is poly-third fiber.
5. a kind of high-performance lightweight composite mortar according to claim 1 is characterized in that described compound heat-insulation aggregate adopts glass bead.
6. a kind of high-performance lightweight composite mortar according to claim 1 is characterized in that described thickening material adopts the cellulose ethers organic thickening agent.
7. a kind of high-performance lightweight composite mortar according to claim 1 is characterized in that described hydrophober adopts organosilicon.
8. a kind of high-performance lightweight composite mortar according to claim 1, it is characterized in that described redispersible powder is a high molecular polymer, comprise supporting material, compound heat-insulation aggregate, staple fibre, hydrophober, thickening material, redispersible powder, proportion is respectively 120-200 part, 160-200 part, 0.5-2.0 part, 0.2-1.5 part, 0.5-2.0 part, 5-10 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103114268A CN101717232B (en) | 2009-12-15 | 2009-12-15 | High-performance lightweight composite mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103114268A CN101717232B (en) | 2009-12-15 | 2009-12-15 | High-performance lightweight composite mortar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101717232A true CN101717232A (en) | 2010-06-02 |
| CN101717232B CN101717232B (en) | 2012-05-23 |
Family
ID=42431879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103114268A Active CN101717232B (en) | 2009-12-15 | 2009-12-15 | High-performance lightweight composite mortar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101717232B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249614A (en) * | 2011-05-23 | 2011-11-23 | 上海曹杨建筑粘合剂厂 | Light thermal insulation soundproof damping floor mortar |
| CN103086661A (en) * | 2011-10-27 | 2013-05-08 | 深圳市爱思宝科技发展有限公司 | Thermal insulation and heat preservation slurry composition and thermal insulation and heat preservation plate containing the same |
| CN103243827A (en) * | 2012-09-19 | 2013-08-14 | 威海隆济时节能科技有限公司 | Composite heat-insulating superimposed sheet |
| CN109704686A (en) * | 2019-02-25 | 2019-05-03 | 杭萧钢构股份有限公司 | A kind of steel construction waterproof plaster mortar and its preparation method and application |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101028968A (en) * | 2006-08-22 | 2007-09-05 | 吴中和 | Production of unshaped thermal-insulating material |
| CN101139197A (en) * | 2006-09-06 | 2008-03-12 | 贾宏强 | High-effective building energy-saving heat-insulating material |
| CN101434477B (en) * | 2008-12-12 | 2014-04-16 | 江苏华伟佳建材科技有限公司 | Expansion vitrification micro-sphere heat insulation formwork and production method thereof |
-
2009
- 2009-12-15 CN CN2009103114268A patent/CN101717232B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102249614A (en) * | 2011-05-23 | 2011-11-23 | 上海曹杨建筑粘合剂厂 | Light thermal insulation soundproof damping floor mortar |
| CN103086661A (en) * | 2011-10-27 | 2013-05-08 | 深圳市爱思宝科技发展有限公司 | Thermal insulation and heat preservation slurry composition and thermal insulation and heat preservation plate containing the same |
| CN103086661B (en) * | 2011-10-27 | 2015-10-21 | 深圳市爱思宝科技发展有限公司 | A kind of heat-insulation slurry composition and the heat-insulation and heat-preservation sheet material containing said composition |
| CN103243827A (en) * | 2012-09-19 | 2013-08-14 | 威海隆济时节能科技有限公司 | Composite heat-insulating superimposed sheet |
| CN109704686A (en) * | 2019-02-25 | 2019-05-03 | 杭萧钢构股份有限公司 | A kind of steel construction waterproof plaster mortar and its preparation method and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101717232B (en) | 2012-05-23 |
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Address after: 264212 Weihai (Shandong) science and Technology Industrial Park (Weihai) Patentee after: Shandong energy saving Polytron Technologies Inc Address before: 264200 No. 205 Development Building, Weihai economic and Technological Development Zone, Shandong Patentee before: Weihai Longjishi Energy-Saving Technology Co., Ltd. |
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Denomination of invention: High-performance lightweight composite mortar Effective date of registration: 20161028 Granted publication date: 20120523 Pledgee: Weihai commercial bank Limited by Share Ltd Qin village sub branch Pledgor: Shandong energy saving Polytron Technologies Inc Registration number: 2016990000921 |
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Denomination of invention: High-performance lightweight composite mortar Effective date of registration: 20180918 Granted publication date: 20120523 Pledgee: Weihai commercial bank Limited by Share Ltd Qin village sub branch Pledgor: Shandong energy saving Polytron Technologies Inc Registration number: 2018990000843 |