An improved method for the high isotacticity measurement of polybutene-1
High isotactic polybutene-1 (HiPB) plays important roles in presenting outstanding resistance to creep and crack at high temperature. Therefore, rapid and accurate measurement of the HiPB is extremely important for both synthesis and application of ...
Weiping Zheng +4 more
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Synthesis of Isotactic Polybutene-1 with Ziegler-Natta Catalyst [PDF]
Hypothesis: Butene-1 is in excess in the polyolefin plants of Iran. Considering the properties of isotactic polybutene-1, including high creep and environmental stress cracking resistances, excellent elastic reversibility and good chemical abrasion ...
shokoufeh Hakim +2 more
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Polymerization of Ethylene Using α-Diimine Nickel Catalyst [PDF]
The late transition metal catalysts based on end group of transition metals in the periodic table like Ni, Fe, Co, Pd, Pt were developed rapidly in polyolefin industrial productions.
Hassan Arabi1 +4 more
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Isotactic polybutene-1 (PB)/isotactic polypropylene (PP) blends, typical crystalline/crystalline polymer blends with low-melting-temperature (Tm) PB and high-Tm PP, exhibit complicated interactions between their components in both molten and solid states.
Xiangjie Yan +5 more
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Competitive particle growth at different conditions of oligo-micelle formation in hydro-alcoholic solution of anionic double-chain emulsifier via batch emulsion polymerization of vinyl chloride [PDF]
The condition of oligo-micelle formation of sodium di-isodecyl sulfosuccinate (SDIDS) emulsifier in hydroalcoholic solutions is used to study particle formation of vinyl chloride emulsion polymerization in a batch reactor.
Aliasghar Mahdavi Akerdi +1 more
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Estimation of pyrolysis product of LDPE degradation using different process parameters in a stirred reactor [PDF]
Pyrolysis of low density polyethylene (LDPE) by equilibrium fluid catalytic cracking (FCC) was studied in a stirred reactor under different process parameters.
Mehrdad Seifali Abbas-Abadi +3 more
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Compositional Determination of Vinyl Acetate/Vinyl Benzoate Copolymer by Fourier Transform Infrared Spectroscopy [PDF]
Relating polymer structure to its performance properties is a primary motivation for determining the structure of a polymer chain. If a polymer chain is completely characterized and the structural basis of its properties is known, one can optimize and ...
Poorya Bigdeli +2 more
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Interfacial structure and properties of isotactic polybutene-1/polyethylene blends
Polymer blending is one of the most economical and effective techniques for achieving products with high comprehensive performances. However, the immiscibility between polymers results in a weak interface, which is typically the position where material ...
Niu Xiu +5 more
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The creep resistance of polymer determines the dimensional stability of product under stress. The isotactic polybutene-1 (iPB) with outstanding high-temperature creep resistance and stress-crack resistance is applied widely in the field of hot-water ...
Yuanjin Zhao +3 more
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TRANSMISSION ELECTRON MICROSCOPY FOR THE DIRECT ANALYSIS OF FIBRIN CLOT STRUCTURE [PDF]
The aim of our study was to compare the structure of clots formed as a result of thrombin-induced fibrin polymerization in the presence or absence of monoclonal fibrin-specific antibodies fragments as factors that change the clot structure.
Y.P. Kucheriavyi,, I.D. Panas
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