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Flexural analysis of polyurethane foam and sandwich composite foam via experimental and finite element Cmethods
(Trans Tech Publications Inc., 2013-09)
Polyurethane (PU)/montmorillonite (MMT) composite foam were synthesized with reaction of diisocyanate with polyester polyol by a batch process. In this research, water was used as the blowing agent with TEGOSTAB B8407 and ...
Sol-gel synthesis and preliminary characterizations of novel silica hybrid xerogels
(Trans Tech Publications, 2013-12)
Hybrid silica xerogel mesoporous composite was synthesized by a mild temperature acid catalysed sol-gel route where a natural copolymer; sodium alginate (Na-COOH) together with calcium oxide (CaO) powder were incorporated ...