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A special mortar for plastering plastic hollow inner mold partition wall panels

A partition wall panel and inner mold technology, applied in the field of building materials, can solve the problems of affecting the normal use function of the partition wall panel, low bonding strength, poor flexibility, etc., to avoid low bonding strength, good water retention performance, and deformation resistance Good effect

Active Publication Date: 2019-10-25
泉州市交发泓盛材料科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of the material properties of the plastic hollow inner formwork - its surface is relatively smooth and has a certain elastic deformation capacity under the action of external force - when plastering with ordinary mortar, it is easy to produce low bond strength, poor flexibility, etc. Defects, which in turn lead to hollowing, cracking and other quality problems, seriously affect the normal function of the partition wall during service

Method used

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  • A special mortar for plastering plastic hollow inner mold partition wall panels
  • A special mortar for plastering plastic hollow inner mold partition wall panels
  • A special mortar for plastering plastic hollow inner mold partition wall panels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Weigh 3.67kg of P·O 42.5R ordinary Portland cement, 0.28kg of F class II fly ash, 0.22kg of S95 granulated blast furnace slag powder, 12.85kg of machine-made sand with a fineness modulus of 2.4, and a viscosity of 20000mPa·s 4.00g of hydroxypropyl methylcellulose ether, 7.50g of starch ether, 12.00g of vinyl acetate and ethylene copolymer rubber powder, 0.40g of triterpene saponin, 28.00g of polycarboxylate superplasticizer, mix and stir for one minute, Then weigh 2.80 kg of water, and then mix and stir for three minutes.

Embodiment 2

[0026] Weigh 3.83kg of P·O 42.5R ordinary Portland cement, 0.48kg of F class II fly ash, 12.24kg of natural river sand with a fineness modulus of 2.2, and 6.00 hydroxypropyl methylcellulose ether with a viscosity of 20000mPa·s g, 15.00g of vinyl acetate and ethylene copolymer rubber powder, 0.52g of sodium lauryl sulfonate, 34.00g of polycarboxylate superplasticizer, mix and stir for one minute, then weigh 2.80kg of water, and mix and stir again for three minute.

Embodiment 3

[0028] Weigh 4.75 kg of P C 32.5 composite Portland cement, 12.34 kg of natural river sand with a fineness modulus of 2.2, 8.00 g of hydroxyethyl methyl cellulose ether with a viscosity of 10000 mPa s, 7.50 g of starch ether, vinyl acetate and Ethylene and higher fatty acid vinyl ester ternary copolymer rubber powder 12.00g, sodium gluconate 2.00g, sodium lignosulfonate superplasticizer 32.00g, mix and stir for one minute, then weigh 2.90kg of water, and mix and stir for three minutes.

[0029] The performance index of the product of the present invention refers to the requirements for dry-mixed thin-layer plastering mortar and dry-mixed insulation board plastering mortar in GB / T 25181-2010 "Ready Mixed Mortar" and JG 149-2003 "Expanded Polystyrene Board Thin-Plastered External Wall The requirements for plaster mortar in External Thermal Insulation System, Table 1 shows the performance indicators of Examples 1-3.

[0030] Table 1 Performance indicators of special mortar for pl...

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Abstract

The invention discloses mortar special for plastering of plastic hollow inner formwork partition boards. The mortar is prepared from, by mass, 10-20% of cement, 0-5% of coal ash, 0-5% of granulated blast furnace slag powder, 65-75% of fine aggregate, 0.01-0.5% of a high-molecular polymer additive and 10-15% of water. The mortar has the advantages of being high in bonding strength, good in impact resistance and excellent in flexibility.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a special mortar for plastering plastic hollow inner mold partition boards. Background technique [0002] In recent years, with the gradual development of non-load-bearing walls from traditional masonry to lightweight partition walls made of lightweight skeleton and plate structures, various new wall materials have emerged. Among them, the plastic hollow inner mold cement mortar partition wall board is a long inner formwork with a cavity processed from plastic. A new process of applying wet cement mortar to the wall. Such as figure 1 As shown, a plurality of corrugated plastic plates 1 are connected through connecting holes 101, and the cement mortar layer 2 is wrapped and applied on the corrugated plastic plates 1 to form a partition wall. Compared with the traditional masonry partition wall, the plastic hollow internal mold partition wall panel is a new type of no...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B24/38C04B24/26
CPCC04B24/2623C04B24/38C04B24/383C04B28/04C04B2111/00482C04B2201/50C04B18/08C04B18/142C04B14/06C04B2103/302C04B14/068C04B24/16C04B24/10C04B24/18
Inventor 刘启玄黄金星蔡晋安林志泉林升庆
Owner 泉州市交发泓盛材料科技有限责任公司