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Inorganic phenolic aldehyde composite thermal mortar

A composite thermal insulation mortar and phenolic technology, which is applied in the field of building energy-saving thermal insulation, can solve the problems of phenolic foam thermal insulation system such as brittleness, high thermal conductivity, and wall corrosion, and achieve the effects of reducing thermal conductivity, improving bonding performance, and avoiding corrosion

Inactive Publication Date: 2013-12-11
上海英硕聚合材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the defects of high thermal conductivity of the existing inorganic thermal insulation mortar system, and the phenolic foam thermal insulation system has defects such as brittleness, easy pulverization, poor durability, high water absorption rate, and residual acid causing corrosion to the wall, etc., and provides a A kind of inorganic phenolic composite thermal insulation mortar and preparation method thereof

Method used

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  • Inorganic phenolic aldehyde composite thermal mortar
  • Inorganic phenolic aldehyde composite thermal mortar
  • Inorganic phenolic aldehyde composite thermal mortar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The raw material composition and parts by weight of the inorganic phenolic composite thermal insulation mortar of the present embodiment are as shown in Table 3:

[0042] table 3

[0043] Raw material serial number

[0044] Using cement and silica fume as the gelling material, the phenolic foam particles and Expanded vitrified microbeads are lightweight aggregates for heat preservation, adding acrylic rubber powder, cellulose ether for thickening and water retention (HPMC60000, that is, hydroxypropyl methylcellulose with a viscosity of 60000mPa.s), lignocellulose, The PP fibers used to improve the strength are mixed evenly and obtained.

Embodiment 2

[0046] The raw material composition and parts by weight of the inorganic phenolic composite thermal insulation mortar of the present embodiment are as shown in Table 4:

[0047] Table 4

[0048] Raw material serial number

[0049] 4

[0050] Use cement and silica fume as the gelling material, neutralize it with an alkaline regulator (1.0mol / L sodium hydroxide aqueous solution) to a pH value of 7.5, and then seal the surface with a waterproof emulsion (styrene-acrylate emulsion) The treated phenolic foam particles and expanded vitrified microbeads are lightweight aggregates for heat preservation. Add polyvinyl alcohol powder, cellulose ether for thickening and water retention, lignocellulose, and PP fibers for strength improvement, and mix evenly. Vested.

Embodiment 3

[0052] The raw material composition and parts by weight of the inorganic phenolic composite thermal insulation mortar of the present embodiment are as shown in Table 5:

[0053] table 5

[0054] Raw material serial number

[0055]Using cement and silica fume as the cementitious material, the phenolic foam particles and the Expanded vitrified microbeads are lightweight aggregates for heat preservation, adding polyvinyl alcohol powder, cellulose ether for thickening and water retention, lignocellulose, and PP fibers for improving strength, and mix evenly to obtain it.

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Abstract

The invention discloses an inorganic phenolic aldehyde composite thermal mortar which comprises 90-100 parts of cement, 8-18 parts of silica fume, 30-50 parts of phenolic foam particles, 100-120 parts of expanded and vitrified small balls, 4-6 parts of redispersible powder, 1.2-1.8 parts of cellulose ether, 2.5-3.5 parts of lignocellulose, and 0.8-1.2 parts of PP fibers. The phenolic foam particles are subjected to alkali neutralization and water-proof treatment, so that the corrosion on a wall body and the water absorption rate are improved. The composite thermal mortar not only keeps the advantages of excellent construction performance, high compression strength and high combustion performance grade up to A2 level of the inorganic thermal mortar, but also is lower in dry density and thermal conductivity, thereby being a good thermal insulation material having the advantages of good energy saving effect and high level of combustion performace grade and capable of being widely applied to the thermal insulation construction of a building outer wall.

Description

technical field [0001] The invention belongs to the field of building energy saving and heat preservation, and relates to an inorganic phenolic composite heat preservation mortar. Background technique [0002] Building energy conservation is an important part of energy conservation and emission reduction in the whole society. The performance and structural stability of building energy conservation systems are directly related to the implementation of energy conservation and emission reduction work and the realization of goals. At present, the building energy-saving systems used in my country mainly include inorganic thermal insulation mortar systems, expanded polystyrene board systems, extruded polystyrene board systems, and polyurethane systems. The inorganic thermal insulation mortar system has the advantages of good construction performance, high strength, A2 level of combustion performance, and low overall cost, but its high thermal conductivity makes it difficult to mee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04
Inventor 封世德辛春华阮丰乐尧璟云
Owner 上海英硕聚合材料股份有限公司
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