Results 21 to 30 of about 1,047,412 (314)

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   +1 more source

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

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]

open access: yesPolyolefins Journal, 2019
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
doaj   +1 more source

Accelerated crystallization and crystal-crystal transition of PB induced by PP with optimized content

open access: yesPolymer Testing, 2023
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
doaj   +1 more source

مروری بر کامپوزیت‌های پلیمر-سیلسزکیوکسان اولیگومری چندوجهی [PDF]

open access: yesBaspārish, 2017
در سال‌های اخیر، کامپوزیت‌های پلیمری با نانوذرات سیلسزکیوکسان اولیگومری چندوجهی (POSS) بسیار مطالعه شده‌اند. ابعاد نانومتری و نیز امکان وجود گروه‌های عاملی مختلف در ساختار این نانوذرات باعث شده است تا کامپوزیت‌های ساخته شده از آن‌ها، دارای خواص منحصربه ...
منصوره زارع زاده مهریزی   +3 more
doaj   +1 more source

Protein nanoreactors and native enzymes for controlled/living radical polymerization [PDF]

open access: yes, 2013
The present PhD thesis entitled ‚Protein Nanoreactors and Native Enzymes for Controlled/Living Radical Polymerization‘ began with the hypothesis that protein-catalyst conjugates are able to beneficially influence controlled/living radical polymerization,
Renggli, Kasper
core   +1 more source

Polymerization of Ethylene Using α-Diimine Nickel Catalyst [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
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
doaj   +1 more source

Polymerization Reactions [PDF]

open access: yesChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Fink, Gerhard, Brintzinger, Hans-Herbert
openaire   +3 more sources

The pH dependence of polymerization and bundling by the essential bacterial cytoskeltal protein FtsZ [PDF]

open access: yes, 2011
There is a growing body of evidence that bacterial cell division is an intricate coordinated process of comparable complexity to that seen in eukaryotic cells.
Raúl Pacheco-Gómez   +17 more
core   +1 more source

Estimation of pyrolysis product of LDPE degradation using different process parameters in a stirred reactor [PDF]

open access: yesPolyolefins Journal, 2015
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
doaj   +1 more source

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