Preparation and sound absorption properties of barium titanate/nitrile butadiene rubber-polyurethane foam composites with stratified structure
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چکیده
منابع مشابه
Improved curing conditions and mechanical/chemical properties of Nitrile Butadiene Rubber Composites Reinforced with Carbon Based Nanofillers
Multiwall carbon nanotubes (MWCNTs) and carbon nanofibers (CNFs) with contents ranging from 1 to 10 phr (part per hundred parts of rubber) were selected and then characterized to reinforce acrylonitrile butadiene rubber (NBR) based composites. Fabrication of nanocomposites were done by a novel procedure and structural analysis along with variety of mechanical and chemical tests, according to th...
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The renewable PUF was prepared by the alcoholysis of the used polyurethane foam composite and the polyurethane foam composite was also prepared by alkali lignin and renewable PUF. The renewable PUF was examined by GC-MS, the results showed the renewable PUF mainly consists of glycol, propanol and 1, 2-Benzenedicarboxylic acid, which can directly be used as the raw material of polyurethane foam ...
متن کاملEffect of non-acoustic properties on the sound absorption of polyurethane foams
In this paper the influence of non-acoustic properties on the sound absorption coefficient of polyurethane foams as a porous medium is investigated. Biot’s equations with transfer matrix method, as the solution approach are employed to evaluate the sound absorption coefficient of selected polyurethane foams. The major issue is the dependency of non-acoustic properties on each other which makes ...
متن کاملmechanical and morphological properties of short nylon fiber reinforced acrylonitrile-butadiene rubber composites
acrylonitrile butadiene rubber (nbr) composites are prepared from waste nylon 66 short fiber using a two-roll mill mixer. the effects of fiber content and bonding agent on the mechanical and morphological properties of the composites are studied. the curing characteristics of the composites have been studied by using cure rheometer. the cure and scorch time of the composites decrease while cure...
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ژورنال
عنوان ژورنال: RSC Advances
سال: 2018
ISSN: 2046-2069
DOI: 10.1039/c8ra03330g