نتایج جستجو برای: suspension polymerization stabilizer
تعداد نتایج: 69621 فیلتر نتایج به سال:
Recently, monodisperse polymer colloids have found a new application as templates for photonic crystals [1]. At a sufficiently high volume fraction and low polydispersity, spherical particles will self assemble into a facecentered cubic lattice, even in the absence of attractive interparticle forces [2]. Such structures can diffract light if the wavelength is comparable to the spacing between t...
heterogeneous polymerization of vinylidene fluoride (VDF) has been investigated in scCO2 in the presence of different perfuoropolyether surfactants using DECP as free radical initiator. When carboxylate perfluoropolyether was used higher monomer conversions were obtained with respect to precipitation processes. PVDF was collected at the end of the process under the form of a white powder and SE...
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