Aerating building block special-purpose whitewash mortar and preparation method thereof
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An air-entrained block and mortar technology is applied in the field of special plastering mortar for aerated blocks and its preparation, which can solve the problems of unsatisfactory effect, insufficient hydration, long water absorption time, etc., and achieves saving in laying grid cloth, The effect of preventing slippage and cracking and reducing water loss
Inactive Publication Date: 2015-05-06
叶建恒
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Because the aerated block has the characteristics of high water absorption rate and large drying shrinkage deformation, its pores present an "ink bottle" structure, and the capillary action is poor. It absorbs water quickly in the early stage, and absorbs water slowly in the later stage, but the water absorption time is long. When the wall surface is painted, the requirements for the mortar are relatively high. If the water retention
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Embodiment 1
[0025] Described plastering mortar is formulated according to the following proportions:
[0026]
[0027] Add 33 parts of water to 100 parts of the solid composition.
[0028] Add the calculated amount of water into the mortar mixer, and add the calculated amount of cement, desulfurized gypsum, redispersible latex powder, polypropylene short fiber, methyl cellulose, gypsum retarder, and inorganic filler into the mortar Start stirring and mixing in the mixer, and the mixing time is 60 minutes.
Embodiment 2
[0030] Described plastering mortar is formulated according to the following proportions:
[0031]
[0032]
[0033] Add 30 parts of water to 100 parts of the solid composition.
[0034] Add the calculated amount of water into the mortar mixer, and add the calculated amount of cement, desulfurized gypsum, redispersible latex powder, polypropylene short fiber, methyl cellulose, gypsum retarder, and inorganic filler into the mortar Start stirring and mixing in the mixer, and the mixing time is 60 minutes.
Embodiment 3
[0036] Described plastering mortar is formulated according to the following proportions:
[0037]
[0038] Add 35 parts of water to 100 parts of the solid composition.
[0039] Add the calculated amount of water into the mortar mixer, and add the calculated amount of cement, desulfurized gypsum, redispersible latex powder, polypropylene short fiber, methyl cellulose, gypsum retarder, and inorganic filler into the mortar Start stirring and mixing in the mixer, and the mixing time is 60 minutes.
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Abstract
The invention discloses aerating building block special-purpose whitewash mortar and a preparation method thereof. The aerating building block special-purpose whitewash mortar comprises solid components such as 4.5-7.9% by mass of an inorganic gel material, 26.5-35.6% by mass of a reinforcing agent, 0.5-0.7% by mass of a water resistant agent, 0.3-0.4% by mass of an anti-cracking agent, 0.4-0.9% by mass of a water-retaining agent, 0.3-0.4% by mass of a delayed coagulant and 57.3-66.1% by mass of a filler, and 100 parts of the solid components are added with 30-35 parts by mass of water. The prepared whitewash mortar has good water retention performances, good flexibility and a good contraction rate similar to that of the aerating building block. Through use of desulfurized gypsum, the whitewash mortar has good breathing characteristics, retractility and low relative density. Through use of polypropylene short fibers, adhesion between mortar and a wall is improved, up-down sliding and cracking of the mortar on the wall are prevented, wall stability is guaranteed well, and gridding cloth laying and guniting processes are avoided.
Description
technical field [0001] The invention relates to a plastering mortar and a preparation method thereof, in particular to a special plastering mortar for aerated blocks and a preparation method thereof. Background technique [0002] Aerated blocks are stones that float on water - some call them pumice stones! The pores in the middle make this material very light - also known as lightweight bricks, foam bricks, lightweight partition wall bricks; it also makes this material able to block sound - also known as sound insulation bricks, sound insulation bricks; because the material Contains a lot of air-also known as aerated bricks, aerated blocks; at the same time, this material has good heat insulation and fire performance-also known as heat insulation bricks, heat preservation bricks, fireproof bricks, energy-saving bricks; the most important Yes, it is made of concrete and has high strength, so its technical name is - aerated concrete block. Because the aerated block has the c...
Claims
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