Development and investigation of thermal insulation from hemp-polylactide fibres

• Main Authors: Rūta Stapulionienė, Ramūnas Tupčiauskas, Saulius Vaitkus, Sigitas Vėjelis
• Format: Article
• Language: English
• Published: Vilnius Gediminas Technical University 2016-04-01
• Series: Engineering Structures and Technologies
• Subjects: thermal insulation materials; hemp fibers; polylactide; thermal conductivity; sound absorption coefficient; short-term water absorption
• Online Access: https://journals.vgtu.lt/index.php/EST/article/view/2524

In the last two decades intensive grow of industry of building materials from renewable resources is observed. Such situation is related to some aspects: global warming, environmental pollution, impact on human health, environmental impact of materials at their end-of-life. In current study development of thermal insulation materials from hemp and polylactide fibres are analysed. While main parameter for thermal insulation materials is thermal conductivity, rational density of composite 40 kg/m3 was chosen. For experiments 11 compositions were prepared. One composition was prepared just with hemp and polylactide fibres, five compositions with different amount of hydrophobic agent and 5 compositions with different amount of fire retardant. Experimentally thermal conductivity, sound absorption coefficient, short-term water absorption, fire resistance, water vapour transfer properties and compressive strength were determined. Rational amount of hydrophobic agent and fire retardants was chosen.