Sound and thermal insulation properties of flax/low melt PET needle punched nonwovens

Sound and thermal insulation properties of flax/low melt PET needle punched nonwovens

Blog Article

Noise pollution is an ever increasing problem in the world because of the industrial revolution.Recently, researchers have begun investigating natural fiber navy drapery fabric composites as potential materials for the manufacture of sound absorption structures.In this work, flax/low melting point polyester needle punched nonwoven fabrics were manufactured and characterized for sound and thermal insulation applications.

Nonwovens were developed by blending flax fibers with low melt PET at three blend ratios (10%, 20%, and 30%) with 7 mm and 10 mm needle penetration depth.The test results showed that there was a decrease in thermal resistance value with increase in low melt bovi-shield gold fp 5 l5 PET % and needle penetration depth.The developed nonwovens had better sound insulation value at medium and high frequency.

There was no significant change in sound insulation value with increase in low melt PET %.