Heat Preservation Performance Attenuation of the Exterior Wall Thermal Insulation Materials Commonly Used in South of Jiangsu Area

New building wall materials is a kind of material which is not at the price of consuming cultivated land, destruction of ecology and environmental pollution, adapting to the construction industrialization, construction mechanization, reducing wet construction operations at the site, improving the function of modern building construction. Presently, as for our country stage, new building wall materials is including all building wall materials except for clay solid brick building wall materials. In our country, the production of new type wall materials has been increasing rapidly and its quality and product has been improved obviously, what’s more, the technology and equipment level also rises fast which created very convenient advantages for the development of exterior wall thermal insulation technology. Presently, there are mainly three kinds which are the out-cell heat preservation, a polystyrene board and wall body casting molding at a time and polystyrene particles insulation pulp outer wall heat preservation.

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Experimental Study on the Thermal Conductivity of Thermal Insulation Materials Used in Residential Buildings

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.1025-1026.535 ◽

2014 ◽

Vol 1025-1026 ◽

pp. 535-538

Author(s):

Young Sun Jeong

Keyword(s):

Thermal Conductivity ◽

Thermal Insulation ◽

Building Materials ◽

Residential Buildings ◽

Building Envelope ◽

Expanded Polystyrene ◽

Exterior Wall ◽

Insulation Materials ◽

Design Documents ◽

Materials Used

The most basic way to keep comfortable indoor environments for a building’s occupants and save energy for space heating and cooling in residential buildings is to insulate the building envelope. Among the building materials to be used, thermal insulation materials primarily influence thermal performance. In particular, the type, thermal conductivity, density, and thickness of heat insulator, are important factors influencing thermal insulation performance. We investigate the design status of residential buildings which were designed in accordance with the building code of Korea and selected the type of thermal insulation materials applied to the walls of buildings. The present study aims at measuring the thermal conductivity of thermal insulation materials used for building walls of residential buildings. In this study, after collecting the design documents of 129 residential buildings, we investigated the type and thickness of insulation materials on the exterior wall specified in the design documents. As the thermal insulation materials, extruded polystyrene (XPS) board and expanded polystyrene(EPS) board are used the most widely in Korea when designing residential buildings. The thickness of thermal insulation materials applied to the exterior wall was 70mm, most frequently applied to the design. We measured the thermal conductivity and the density of XPS board and EPS board. When the density of XPS and EPS was 30~35 kg/㎥, the thermal conductivity of XPS was 0.0292 W/mK and it of EPS was 0.0316 W/mK.

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Evaluation and Measured Analysis by FTIR of Fiber Insulation Materials Used in Inflatable Mini Cold Storage

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.997.346 ◽

2014 ◽

Vol 997 ◽

pp. 346-349

Author(s):

Jiu Chun Han ◽

Xi Hong Li ◽

Yan Wu

Keyword(s):

Polylactic Acid ◽

Thermal Insulation ◽

Polyester Fiber ◽

Bamboo Fiber ◽

Corn Fiber ◽

Insulation Materials ◽

Before And After ◽

Key Factor ◽

Materials Used ◽

Heat Preservation

Thermal insulation performance is a key factor in evaluation of thermal insulation materials. The chemical structure of polyester fiber, bamboo fiber and polylactic acid fiber was analyzed, and thermal insulation properties of the samples were investigated in terms of the measured transmittance of IR with before and after treated. The results showed that the measured transmittance of IR of corn fiber was lower than polyester fiber and bamboo fiber. In addition, the measured transmittance of bamboo fiber changed obviously, polyester fiber had small changes, polylactic acid fiber almost had no change. Moreover, the measured transmittance had an increasing trend. The heat preservation performance decreased after the samples were treated.

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Preparation and properties of silicate inorganic exterior wall insulation based on thermal energy storage

Thermal Science ◽

10.2298/tsci191104085z ◽

2020 ◽

Vol 24 (5 Part B) ◽

pp. 3109-3118

Author(s):

Zifan Zhou ◽

Guofu Tu ◽

Feng Xu ◽

Zhaofeng Song ◽

Na Li

Keyword(s):

Thermal Conductivity ◽

Fly Ash ◽

Thermal Insulation ◽

Thermal Energy ◽

Testing Machine ◽

Insulation Material ◽

Exterior Wall ◽

Thermal Insulation Material ◽

Insulation Materials ◽

Insulation Performance

The key to building energy conservation is how to make the exterior wall have good thermal insulation performance, reduce the heat loss of the building?s peripheral structure, develop new exterior wall insulation materials, and effectively achieve energy saving. In this paper, a new type of composite silicate insulation material was prepared by using fly ash, sepiolite fiber, basalt fiber, and cement as raw materials. According to the analysis of the action of each component of the composite silicate thermal insulation material, the composite silicate thermal insulation material is prepared by selecting different raw material ratios, and the fly ash and sepiolite fibers are analyzed by a thermal conductivity measuring instrument and a hydraulic universal testing machine. The influence of water-cement ratio on the thermal conductivity, tensile strength, and compressive strength of composite silicate insulation materials. Through research, it is found that this composite silicate exterior wall insulation material utilizes some abandoned resources to help the building exterior wall to store thermal energy. The preparation process is simple, the insulation performance is good, the mechanical strength is high, and there is great promotion value and application prospect.

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Study on Fire Prevention of Wall Insulation Organic Materials

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.608-609.1006 ◽

2014 ◽

Vol 608-609 ◽

pp. 1006-1009

Author(s):

Peng Xiang Wang ◽

Cun Wei Zhang ◽

Xiang Mei Li ◽

Rong Jie Yang

Keyword(s):

Flame Retardant ◽

Thermal Insulation ◽

Fire Safety ◽

Organic Materials ◽

Organic Polymer ◽

Fire Prevention ◽

Insulation Materials ◽

The Third ◽

Heat Preservation ◽

Combustible Materials

This article described the technical progress of the wall insulation organic materials and analyzed other relevant factors in recent years about the insulation materials policies changes and market changes. Through the above description and analysis, we presented new ideas of the future direction of development of organic insulation materials. Background In recent years, big fire moments remind the importance of fire safety all the time. The CCTV Building Fire in 2009, Shanghai Jiaozhou Road Fire in 2010 and Shijingshan Fire in 2013, let the public turn pale at the mention of a word about fire. These fires are all related to the wall insulation organic materials. In fact, it should be said that unqualified exterior wall thermal insulation materials and the lack of supervision measures led to a variety of fire accidents which can be avoided. Therefore, good flame retardant wall insulation organic materials and thermal insulation system are very important to reduce and prevent fire, and they are also fundamentally important ways to block and reduce the fire risk. At present, there are three kinds of wall insulation materials. The first type are the inorganic heat preservation materials, such as rock wool, glass wool, mineral slurry, etc., These materials belong to no combustible materials (class A fire), and there is no fire safety problems. The second type of wall insulation materials are composite materials, such as phenolic foam insulation materials, reaching flame retardant materials B1 level (fire). The third kind are the organic polymer insulation materials, such as molding benzene board (EPS), foaming benzene board (XPS), polyurethane (PU) . They belong to the combustible materials (B2 fire). This kind of material have the danger of fire. In our country the most widely used of wall insulation materials are the third class. Especially the EPS and XPS have good heat preservation performance, low price. And They are light and durable. But, this kind of materials have obvious disadvantages that they are so easy to burn, and release diffuse toxic or harmful gas in the combustion. Therefore, we should focus on hot spots about organic fire situation of wall insulation organic materials. Fire prevention progress of common wall insulation organic materials Polyurethane (PU) :

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