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Cover Image, Volume 131, Issue 7
Publication year - 2014
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.40092
Subject(s) - polylactic acid , cover (algebra) , polymer , volume (thermodynamics) , polystyrene , polymer science , materials science , computer science , composite material , physics , mechanical engineering , engineering , quantum mechanics
Open‐cell foams, often used as sound absorbers, can dampen acoustic energy by allowing fluid to flow through cells and dissipate energy. A bimodal foam structure is designed by Shahrzad Ghaffari Mosanenzadeh et al. by developing a water‐soluble polymer blend with polylactic acid (PLA). The cover shows the overall cell structure of the PLA foam with rectangular cells and the micro pores extended throughout the foam structure, which are caused by polyethylene glycol penetrating into the PLA matrix. Because PLA is derived from plants, it can be produced using small amounts of fossil fuel, and it is expected to replace the commodity polymers polystyrene and polyethylene terephthalate. DOI: 10.1002/app.39518