Results 1 to 10 of about 75 (73)

Crystallization Behavior of Isotactic Polybutene Blended with Polyethylene

open access: yesMolecules, 2022
In this work, the melt crystallization behavior and the solid phase transition of isotactic polybutene (PB) were studied in the polybutene/high-density polyethylene (PB/PE) blends covering the whole composition range.
Jiajia Ping, Guiqiu Ma, Zhe Ma
doaj   +3 more sources

Synthesis of Isotactic Polybutene-1 with Ziegler-Natta Catalyst [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2022
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
doaj   +1 more source

LDPE and poly(1-butene) blends: Morphology, crystallinity and rheological properties [PDF]

open access: yesPolyolefins Journal, 2021
In this work, the compatibility and crystallinity of low density polyethylene (LDPE) and polybutene-1 (PB-1) blends were studied. Various blends of LDPE/PB-1 containing 5, 10 and 20 wt.% PB-1 were prepared in a corotating twin-screw extruder and ...
Reza Poorghasemi, Yousef Jahani
doaj   +1 more source

Mpemba effect in crystallization of polybutene-1

open access: yesSoft Matter, 2023
The Mpemba effect and its inverse can be understood as a result of nonequilibrium thermodynamics.
Jinghua Liu   +4 more
openaire   +3 more sources

Applicazione della meccanica della frattura viscoelastica alla previsione della vita di tubi in polibutene

open access: yesFracture and Structural Integrity, 2013
Isotactic polybutene-1 (i-PB1) is a polymer used for the manufacturing of pressurized pipes. In this work two grades of i-PB1 with a different degree of isotacticity have been investigated; they have been supplied by Basell Polyolefins. Fracture tests
Luca Andena   +2 more
doaj   +3 more sources

Interfacial structure and properties of isotactic polybutene-1/polyethylene blends

open access: yese-Polymers, 2022
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
doaj   +1 more source

Validation of the poke-flow technique combined with simulations of fluid flow for determining viscosities in samples with small volumes and high viscosities [PDF]

open access: yesAtmospheric Measurement Techniques, 2015
Viscosity in particles consisting of secondary organic material (SOM) has recently become an area of research focus, since information on viscosity is needed to predict the environmental impacts of SOM particles. Recently Renbaum-Wolff et al.
J. W. Grayson   +3 more
doaj   +1 more source

The effect of a synthetic double layer hydroxide on the rate of II→I phase transformation of poly(1-butene)

open access: yeseXPRESS Polymer Letters, 2011
Perkalite is an unusual clay in the domain of polymer-based nanocomposites. In this paper, the use of perkalite as a filler for poly(1-butene) was investigated.
V. Causin   +5 more
doaj   +1 more source

The influence of branching efficiency on the rheology and morphology of melt state long chain branched polypropylene/polybutene-1 blends [PDF]

open access: yesPolyolefins Journal, 2019
In this study, the compatibility of the blends of polypropylene (PP) and polybutene-1(PB-1) homopolymer before and after long chain branching process were studied.
Ali Foroozan   +2 more
doaj   +1 more source

An improved method for the high isotacticity measurement of polybutene-1

open access: yesPolymer Testing, 2021
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
doaj  

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