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Hydraulic lime composition

A technology of hydraulic lime and composition, applied in the field of hydraulic lime composition, can solve the problems of unstable physical properties, lack of air permeability and the like

Inactive Publication Date: 2012-10-24
LIMECO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the use of calcium sulfate material is undesirable due to the physical properties imparted to the final mortar such as brittleness and instability and lack of air permeability in the presence of water

Method used

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Embodiment Construction

[0009] The mean particle size is defined herein as the number mean diameter or length of the particles within the sample. The average particle size can be determined by one or more suitable methods such as sieving, microscopy, light scattering or sedimentation techniques, without limitation and as appropriate for the average particle size. These techniques are described more fully elsewhere (Jillavenkatesa A, Dapkunas S J, Lin-Sien Lum, Particle Size Characterization, NIST Special Publication 960-1, 2001).

[0010] Solutions to the above identified problems require readily available and sufficiently low cost pozzolanic materials that are sufficiently reactive to cause setting and hardening in a timely manner for their use in commercial construction methods, and careful selection of the solubility of such pozzolan materials or their reaction products Solubility to be used as an effective pozzolan while having a solubility low enough to absorb water / Prevents leaching or water ...

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Abstract

According to the invention there is provided A hydraulic lime composition including between 1 and 20% by weight of a Pozzolanic material which has a surface area of between 2 and 1000 m2g-1 when measured by BET N2 porosimetry, and an average particle size in the range 0.1 to 1000 [mu]m.

Description

technical field [0001] The present invention relates to hydraulic lime compositions comprising pozzolanic materials, methods of making said hydraulic lime compositions and uses thereof. Background technique [0002] The construction industry relies on practical and economical inorganic binders for aggregates in the preparation of mortar and stucco compositions. Mortars, renders and plasters are mixtures of inert aggregates, binders and other functional additives which, when mixed with water to form a slurry, are used to fill between bricks and blocks voids, or cover bricks and blocks and allow to dry and cure to provide an aesthetically pleasing functional filler or covering. For ease of illustration, all references herein to mortar include mortar, plaster, stucco, gypsum, formwork, limewash, paint, and their common derivatives. In addition, a discussion of bricks or brick-like should include stones, blocks, and other masonry units. Mortar is applied in a wet state and th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/12C04B28/18
CPCC04B28/12C04B2111/00517C04B2111/10C04B28/18C04B2111/1018C04B14/043C04B14/066C04B14/106C04B20/008
Inventor 罗宾·吉布森
Owner LIMECO LTD
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