LDPE-g-IA obtained in dynamic mixing is the raised homogenization degree of the reactive blend and the higher grafted product yield compared with static mixers.The mixer type substantially affects the structure of the LDPE-g-IA amorphous phase.The data obtained reflect chemical transformations of ...
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Morphology, thermal behaviour and dynamic properties of the blends based on isotactic polypropylene and low-density polyethylene The regularities of formation of the blend structure based on isotactic polypropylene (iPP) and low-density polyethylene (LDPE) in a wide range of composit... Elena E. Mas...
select article Structural, spectral and biological investigations on Cu(II) and Zn(II) complexes derived from NNO donor tridentate Schiff base: Crystal structure of a 1D Cu(II) coordination polymer Research articleAbstract only Structural, spectral and biological investigations on Cu(II) and Zn(II)...
Structure and properties of presumed polypropylene(PP)-b-polyethylene(PE) block copolymers (PPPE) and the corresponding blends (PP/PE) have been investigat... L Wang,B Huang - 《Journal of Polymer Science Part B》 被引量: 26发表: 1990年 Process for the production of largely amorphous poly...
The crystal structure in crystalline polymers lacks both the sorption sites as well as the mobility of the chains which leads to mass transfer of gas molecules; that is low permeability. Semicrystalline polymers have discrete sections of rigid chain packing on a macroscopic scale as shown in Fig....
The development of high-performance transition metal catalysts has long been a major driving force in academic and industrial polyolefin research. Late transition metal-based olefin polymerization catalysts possess many unique properties, such as the abi
The structure and molecular motion of metallocene-catalyzed linear low-density polyethylenes (MLLDPE) have been investigated in the α relaxation temperature region by solid-state 13C NMR spectroscopy. Fully relaxed dipolar decoupling (DD)/MAS 13C NMR spectra are well resolved into the crystalline,...
(HDPE) was used as a biologically applied material. HDPE has comparable mechanical properties, excellent creep resistance, similarchemical structure, relatively low cost, increased processing capacity and biocompatibility compared to high molecular weight polyethylene (UHMWPE). However, UHMW...
As thepolymeric structureis composed of recurring monomeric units, themolecular weightof the polymer is the sum of the molecular weights of a single monomeric unit. Usually, a polymer with a high molecular weight has an enhanced resistance toward solvent dissolution. The molecular weight determines ...