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Hydraulic hardening adhesive mortar

A hydraulic and adhesive technology, used in solid waste management, climate sustainability, sustainable waste treatment, etc., can solve the problems of undesired stain generation, frost spray, etc., to improve deformation effect, reduce the risk of cracks, high The effect of sticking values

Inactive Publication Date: 2007-06-20
PCI AUGSBURG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In addition, under unfavorable conditions (climate, construction, substrate, etc.), especially when ceramic materials are installed on balconies and terraces, all currently known bonding mortars lead to the so-called blooming phenomenon
This blooming phenomenon can occur on joints on joint surfaces due to salt elution from the mortar and can lead to undesirable staining

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Embodiment 1 is prior art (comparative example). And embodiment 2 is then according to the present invention.

[0056] Example 1 2

[0057] Dry formula [wt%]

[0058] Cement (OPZ CEMI 52.5R) 25.0 62.0

[0059] Quartz sand 50.0 -

[0060] Limestone powder 6.0 8.0

[0061] Slag sand powder 13.0 3.0

[0062] Dispersed powder (50E100) 4.0 3.5

[0063] Cellulose ether 0.5 0.5

[0064] Cellulose Fiber 1.0 1.0

[0065] Calcium formate 0.5 1.0

[0066] Light filler (Poraver 0.1-0.3mm) - 20.0

[0067] Metakaolin (Metamax EF) - 1.0

[0068] Moisture content requirements on a dry matter basis, 23 65

[0069] weight%

[0070] Effect:

[0071] Example 1 2

[0072] Wet adhesion tensile value [N / mm 2 ] 1.0 12

[0073] (according to DIN EN 12004)

[0074] Bending tensile strength [N / mm 2 ] 1.8 2.6

[0075] Deformation [mm] 2.5 3.1

[0076] (according to DIN EN 12002)

Embodiment 3

[0078] Quartz sand 0 to 0.5mm 53.02% by weight

[0079] Light filler (Poraver 0.1-0.3mm) 5.00% by weight

[0080] Portland cement Milke CEMI 52.5R 35.00% by weight

[0081] Metakaolin 3.00% by weight

[0082] Dispersed powder 3.50% by weight

[0083] (vinyl acetate / ethylene based copolymer)

[0084] synthetic water retaining agent 1) 0.35% by weight

[0085] Cellulose Ether Culminal MHPC 20.000p (MHPC) 0.05% by weight

[0086] Polymer flow agent Melflux 1641F 2) 0.08% by weight

[0087] Water 250g / kg powder

Embodiment 4

[0089] Quartz sand 0 to 0.5mm 42.02% by weight

[0090] Light filler (Poraver 0.1-0.3mm) 11.00% by weight

[0091] Portland cement Milke CEMI 52.5R 35.00% by weight

[0092] Metakaolin 3.00% by weight

[0093] Dispersed powder 3.50% by weight

[0094] (vinyl acetate / ethylene based copolymer)

[0095] synthetic water retaining agent 1) 0.35% by weight

[0096] Cellulose ether Culminal MHPC 20.000p (MHPC) 0.15% by weight

[0097] Polymer flow agent Melflux 1641F 2 ) 0.13% by weight

[0098] Water 250g / kg powder

[0099] 1) Obtained according to Example 6 of WO02 / 10229

[0100] 2) Commercially available products from Degussa Construction Chemicals GmbH

[0101] Example 3 Example 4

[0102] According to DIN EN-Norm 28d Trockenlagenmg 1.8N / mm 2 2.0N / mm 2

[0103] Measured adhesion tensile strength

[0104] According to DIN EN-Norm Offene Zeit 30Min 1.4N / mm 2 1.6N / mm 2

[0105] Measured adhes...

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Abstract

A mortar system and its use as facing brick binder, repairing mortar or putty material are disclosed. The mortar system consists of light filler 0.1-90wt% with hydraulic adhesive and mortar dry substances. It has better binding and tensile strength.

Description

technical field [0001] The subject of the present invention is a mortar system comprising a hydraulic mortar system and its use particularly preferably as a tile adhesive, but also as a repair mortar or putty material. Background technique [0002] Hydraulically setting mortars, also known as cementitious tile binders, contain as main components an inorganic binder in the form of cement and fillers based on quartz-containing and / or carbonate-containing raw materials. [0003] In addition, conventional hydraulically setting adhesive mortars also contain some additives that should be able to improve the performance and physical properties of the hardened adhesive mortar. Thus, for example, by adding water-retaining agents, in particular in the form of cellulose ethers, the processability can be optimized in such a way that thickening (consistency) and water-retaining capacity are increased and the dry cohesion value is significantly improved. [0004] So-called "flexible mort...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02C04B28/14C04B14/02C04B16/04C04B18/04C04B24/00C04B111/72C04B103/40
CPCC04B28/14Y02W30/91C04B7/02C04B7/12C04B14/04C04B14/06C04B14/106C04B14/26C04B18/141C04B20/002C04B20/0076C04B20/008C04B22/064C04B24/023C04B24/04C04B24/383C04B24/42C04B2103/0057C04B2103/10C04B24/045C04B2103/0079C04B2103/0088C04B2103/20C04B2103/44C04B2103/46
Inventor M·斯特雷彻尔A·埃勒S·瓦彻W·斯托尔K·克拉茨尔
Owner PCI AUGSBURG
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