Scholarly record
DEVELOPMENT OF ADVANCED THERMAL AND ACOUSTIC INSULATION MATERIALS BASED ON RECYCLED PES FIBERS
Abstract
At present, the consumption of thermal and acoustic insulating materials is increasing worldwide, therefore it is very important to look for possible ways how to produce these materials from secondary raw materials and thus save the primary material base. In the textile and automotive industry, a number of wastes are produced which contain very high purity PES fibers, often comparable with primary PES fibers. In general, most types of PES fibers used in industry have a very low thickness (between 10 and 20 microns), so these fibers are very suitable for the production of thermal and acoustic insulation materials for use in construction. The paper deals with the development and study of the properties of insulators based on secondary PES fibers and the possibility to influence their key properties by suitable free material structure and density. During experimental work it was found that it is possible to influence the resulting thermal conductivity of the insulator and its acoustic properties in such a positive way. It has also been found that reaction to fire can be influenced by these parameters without the need for added chemicals. Therefore, the resulting insulator is health and ecologically harmless, has a long-term service life and also exhibits very good utility properties when built into the structure. Most of the key features are fully comparable, and some are even better than standard mineral wool used massively in construction. The advantage of these insulators is the high availability of input fibers practically all over the world.
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References10
Paris Agreement 2015 (Paris climate agreement)
Directive 2012/27/EU of the European Parliament and of the Council of 25 October 2012 on energy efficiency
Briga-Sá, A., Nascimento, D., Teixeira, N., Pinto, J., Caldeira, F., Varum, H., Paiva, A., Textile waste as an alternative thermal insulation building material solution, Construction and Building Materials 38 (2013), 155-160 s., ISSN: 0950-0618, DOI: 10.1016/j.conbuildmat.2012.08.037
Zach, J.; Peterkova, J.; Bubenik, J.; Novak, V.; Zachova, P., Development of new advanced insulation materials from recycled textile, In18th International Multidisciplinary Scientific GeoConference SGEM 2018. International multidisciplinary geoconference SGEM. 18. 51 Alexander Malinov blvd, Sofia, 1712, Bulgaria: 2018. ISBN: 978-619-7408-52-2. ISSN: 1314-2704.
EN 823. Thermal insulating products for building applications. Determination of thickness. Geneva, Switzerland. STANDARD by International Organization for Standardization, 2013.
EN 1602 Thermal insulating products for building applications. Determination of the apparent density. Geneva, Switzerland. STANDARD by International Organization for Standardization, 2013
EN 12667. Thermal performance of building materials and products. Determination of thermal resistance by means of guarded hot plate and heat flow meter methods. Products of high and medium thermal resistance. Geneva, Switzerland. STANDARD by International Organization for Standardization, 2001
ISO 8301. Thermal insulation -- Determination of steady-state thermal resistance and related properties -- Heat flow meter apparatus. Geneva, Switzerland. STANDARD by International Organization for Standardization, 1991
EN 13501-1-A1 Fire classification of construction products and building elements - Part 1: Classification using test data from reaction to fire tests. Geneva, Switzerland. STANDARD by International Organization for Standardization, 2018
EN ISO 11925-2 Reaction to fire tests — Ignitability of products subjected to direct impingement of flame — Part 2: Single-flame source test Geneva, Switzerland. STANDARD by International Organization for Standardization, 2020
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