Ditapis dengan
Tuning the HOMO energy levels in quinoline and biquinoline based donor-accept…
Abstract Four donor-acceptor type polymers based on quinoline and biquinoline have been synthesized by Pd catalyzed direct C-H (hetero)arylation reaction. Polymers P1 and P2 are alternate copolymers of thiophene-benzothiadiazolethiophene (TBTT) unit with quinoline and biquinoline unit, respectively. P3 is a random copolymer containing cyclopentadithiophene (CPDT), benzothiadiazole and quinolin…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:50
- Judul Seri
- Polymer Research
- No. Panggil
- -
Thiophene decorated block copolymers templated from poly(styrene-alt-maleic a…
Abstract : Poly(styrene-alt-maleic anhydride) copolymer and poly(styrene-alt-maleic anhydride)-block-poly(styrene) block copolymer with narrow molecular weight distributions were synthesized by nitroxide mediated radical polymerization (NMP) and the anhydride units were selectively converted to thiophene units. The thiophene decorated poly(styrene-altmaleic anhydride) copolymer was emulsified …
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:40
- Judul Seri
- POlymer Research
- No. Panggil
- -
Temperature memory effect in differential scanning calorimeter test in thermo…
Abstract: The temperature memory effect (TME) in differential scanning calorimeter test of a thermoplastic polyurethane is investigated in two ways: one is termedTME1, in which the material is cooled down for full crystallization during thermal cycling; while the other is termed TME2, in which the material is cooled, but before any crystallization occurs. In the case of single heating stop tem…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:63
- Judul Seri
- Polymer Research
- No. Panggil
- -
Synthesis, microstructures and properties of amorphous poly(ethylene terephth…
Abstract: PET is one of the most important commercial polymer and much effort is being made to modify PET by melt copolymerization with a second glycol or diacid comonomer in a way that yields an amorphous material with a high Tg. In this study, various amounts (0–100 %) of tricyclodecanedimethanol (TCDDM) were used to copolymerize ethylene glycol and terephthalic acid to form a series of c…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:42
- Judul Seri
- Polymer Research
- No. Panggil
- -
Synthesis, characterization, thermal stability and electrochemical properties…
Abstract: Ortho-imine functionalized oligophenol was synthesized via enzymatic polymerization of 2-((4- nitrophenylimino)methyl)phenol (NPIMP). Enzymatic polymerization was catalyzed by Horseradish peroxidase (HRP) enzyme and hydrogen peroxide (H2O2) oxidizer yielded oligophenol with imine functionality on the side-chain.Effects of various factors including reaction pH, temperature and solvent…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:52
- Judul Seri
- Polymer Research
- No. Panggil
- -
Synthesis, characterization, and structure-property relationships of aromatic…
Abstract: This work reports two series of structurally different aromatic polyimides based on 4,4´-diaminodiphenylmethane (DPM) and 4,4´-diaminotriphenylmethane (TPM) and three commercial dianhydrides. All TPM-based polyimides formed membranes due to their high molecular weight (inherent viscosities ~0.93–1.14 dl/g), they exhibited high thermal stability (5 %: 490–544 °C), glass transit…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:49
- Judul Seri
- Polymer Research
- No. Panggil
- -
Structural, electrical and electrochemical properties of polyacrylonitrile-am…
Abstract: Polyacrylonitrile (PAN) based polymer electrolyte membranes complexedwith Ammoniumhexafluorophosphate (NH4PF6) with different molar concentration are prepared by solution casting method. Increase in the amorphous nature by the addition of Ammonium salt and the formation of polymersalt complex are confirmed by X ray diffraction studies and infrared spectroscopy respectively. The glass…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:51
- Judul Seri
- Polymer Research
- No. Panggil
- -
Structural evolution and mechanical properties of iPP melt spun fibers subjec…
Abstract: An investigation of the structure and mechanical behavior of melt-spun isotactic polypropylene (iPP) fibers subjected to thermal treatment in an inert atmosphere is described. Two iPP formulations, Basell Pro-fax PH835 and ExxonMobil Achieve 3854, synthesized by the Ziegler-Natta and metallocene catalysts respectively, and spun at take-up velocities of 1000 to 3000 m/min are consider…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:59
- Judul Seri
- Polymmer Research
- No. Panggil
- -
Preparation and characterization of polystyrene sulfonic acid-co-maleic acid …
Abstract: Two types of s i l a n e s , including 3 - glycidoxy propyl trimethoxy silane (GPTMS) and 3- amino propyl triethoxy silane (APTES), were grafted onto polystyrene sulfonic acid-co-maleic acid (PSSA_MA) first, followed by the grafting reaction to the silica surface. The modification of PSSA_MAonto silica was confirmed through FTIR (Fourier transform infrared spectrum), NMR (Nuclear mag…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:44
- Judul Seri
- Polymer Research
- No. Panggil
- -
Porous Carrageenan-g-polyacrylamide/bentonite superabsorbent composites: swel…
Abstract: A novel superabsorbent composite based on kappa- Carrageenan (κC) was prepared by graft copolymerization of acrylamide (AAm) onto κC in the presence of bentonite powder using methylenebisacrylamide (MBA) as a crosslinking agent, ammonium persulfate (APS) as an initiator, and sodium carbonate as a pore-forming agent. The swelling behavior in distilled water and in solutions with dif…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:60
- Judul Seri
- Polymer Research
- No. Panggil
- -
Poly (acrylic acid-co-acryloyl tetrasodium thiacalix[4]arene tetrasulfonate) …
Abstract: Dextrin as a biodegradable natural polymer has hydrophilic nature that capable to increase the swelling properties and biodegradability of the synthetic hydrogels. This study describes the synthesis of a poly (acrylic acid-coacryloyl tetrasodium thiacalix[4]arene tetrasulfonate) grafted dextrin superabsorbent hydrogels (ADA) via solution polymerization. The effects of acryloyl tetra…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:62
- Judul Seri
- Polymer Reseach
- No. Panggil
- -
Phase separation and crystallization in double crystalline symmetric binary p…
Abstract: Blending of two or more pure polymers is an effective way to produce composites with tunable properties. In this paper, we report dynamic Monte Carlo simulation results on the crystallization of crystalline/crystalline (A/B) symmetric binary polymer blend, wherein the melting temperature of A-polymer is higher than B-polymer. We study the effect of segregation strength (arises from …
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:56
- Judul Seri
- Polymer Research
- No. Panggil
- -
New understanding for the formation of conductive network in the nanocomposit…
Abstract: Crystallization behavior of conductive composite has a great effect on the formation of conductive network. But very few studies have exposited, specially on the micro level, the evolution of conductive network during the crystallization of matrix. In this study, the conductive network was found to be destroyed by crystallization behavior of isotactic polypropylene (iPP) matrix, and…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:47
- Judul Seri
- Polymer Research
- No. Panggil
- -
Modified rubber seed oil based polyurethane foams
Abstract: In this work, rubber seed oil (RSO) was extracted with cyclohexane at room temperature for 24 h. The yield of RSO was about 40 %. The RSO was purified by using sodium hydroxide to eliminate some free fatty acids. Then the RSO was modified by simultaneous epoxidation and hydroxylation. Hydroxylated RSO (HRSO) had the hydroxylation extents 120 and 230 mgKOH/g with 2 h and 4 h reaction…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:58
- Judul Seri
- Polymer Research
- No. Panggil
- -
Ion-stimuli responsive dimethylaminoethyl methacrylate/hydroxyethyl methacryl…
Abstract: Novel ion-stimulus-responsive copolymeric hydrogels were synthesized by free radical crosslinking copolymerization from the monomers N,N-dimethylaminoethyl methacrylate (DMAEMA) and 2-Hydroxyethyl methacrylate (HEMA) in the presence of a crosslinker, diethyleneglycol dimethacrylate (DEGDMA). The influences of the reaction parameters, the comonomer composition and the ionic strength o…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:57
- Judul Seri
- Polymer Research
- No. Panggil
- -
Investigation of organic solvent/oil sorption capabilities of phenylene-bridg…
Abstract: Phenylene-bridged cross-linked poly(alkoxysilane)s produced by the condensation of 1,4-bis(triethoxysilyl) benzene (BTEB) with different lengths of aliphatic diols in proper stoichiometric ratios were successfully prepared. The synthesized phenylene-bridged poly(alkoxysilane)s were characterized by Fourier transform infrared spectroscopy (FTIR), solid-state 13C and 29Si cross polariz…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:55
- Judul Seri
- Polymer Research
- No. Panggil
- -
Influence of cocrystallization behavior on structure and properties of HDPE/L…
Abstract: The microporous membranes of high-density polyethylene (HDPE) and linear- lower-density polyethylene (LLDPE) blend were prepared based on melt-stretching mechanism and the influence of cocrystallization behavior on the structure and properties of stretched microporous membranes was investigated using scanning electron microscopy (SEM), differential scanning calorimetry (DSC), small-…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:46
- Judul Seri
- Polymer Research
- No. Panggil
- -
High-density polyethylene/halloysite nanocomposites: morphology and rheologic…
Abstract: The paper describes the preparation of High Density Polyethylene [HDPE]/Halloysite Nanotube [HNT] nanocomposites by melt compounding HDPE with varying amounts ofHNTs (ranging from 1 to 10%w/w) in the absence and presence of MA-g-HDPE as compatibiliser using corotating twin screw extruder. The effect of HNT loading and compatibiliser amount on morphology and rheological properties was…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:43
- Judul Seri
- Polymer Research
- No. Panggil
- -
High molecular weight poly(p-arylene sulfide ketone): synthesis and membrane-…
Abstract: High-molecular-weight poly(p-arylene sulfide ketone) (PPSK) was prepared by nucleophilic substitution reaction of 4,4’-diflurobenzophenone (DFBP) and sodium sulfide in the compound solvents of diphenyl sulfone (DPS) and 1,3- dimethyl-2-imidazolidinone (DMI) with catalysts under elevated temperature. The inherent viscosity (ηint) of the PPSK synthesized was 0.703 dl/g. PPSK was cha…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:61
- Judul Seri
- Polymer Research
- No. Panggil
- -
High dielectric permittivity and low loss in PVDF filled by core-shell Zn@Zn…
Abstract: In this study, metal-semiconductor Zn@ZnO coreshell particles were prepared by the heat treatment of raw Zn powder under air atmosphere, and the prepared Zn@ZnO particles were incorporated into poly(vinylidene fluoride) (PVDF) to obtain high dielectric permittivity polymer. The results indicate that the Zn@ZnO particles remark ably increased the dielectric constant of the PVDF compos…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:45
- Judul Seri
- Polymer Research
- No. Panggil
- -
Environmentally benign stereoselective polymerizations of polar as well as no…
Abstract : A new Titanium (IV) complex, dichlorobis (salicylato)titanium(IV) [TiL2Cl2] (1) {LH= Salicylic acid} has been synthesized and characterized by elemental analysis, 1H NMR, 13C NMR, IR and UV-visible spectroscopy. As a post-metallocene complex it’s olefin polymerization activity has been investigated at room temperature in aqueous emulsion. In presence of tetraphenylborate as cocata…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:41
- Judul Seri
- Polymer Research
- No. Panggil
- -
Enhanced dielectric and piezoelectric properties of 0–3 PZT/PVDF composites
Abstract: Flexible piezoelectric composite films of ([PZT/]x/ [PVDF]1-x (x=0, 0.1, 0.2, 0.3)with 0–3 connectivity were synthesized from 0.2 wt% Li2CO3 added PZT ceramic powders in the morphotropic phase boundary (MPB) and PVDF polymer by solution cast technique under optimized thermal processing conditions. It is seen that crystallinity and β phase are enhanced with the addition of Li in th…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:38
- Judul Seri
- Polymer Research
- No. Panggil
- -
Effect of elevated annealing temperatureon electrical conductivity and magnet…
Abstract: A novel iron phthaocyanine (FePc) polymer was prepared via the polymerization of phthalonitrile with ferrous chloride and investigated for morphology, crystallinity, conductivity, dielectric and magnetic properties at different annealing temperatures from 300 °C to 700 °C. The results showed that the elevating annealing temperature could significantly change the morphology and mic…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:48
- Judul Seri
- Polymer Research
- No. Panggil
- -
Dielectric study of side-chain liquid crystalline polyazomethine/fullerene C…
Abstract: For side-chain liquid crystalline polyazomethine/ fullerene C60 nanocomposite (C60 loading is 0.25 wt%), both real and imaginary components of the dielectric permittivity were investigated in wide regions of temperature and frequency. Analysis of frequency dependent permittivity allowed finding three relaxations (α, β1 and β2) in the nanocomposite. They were attributed to specific…
- Edisi
- Volume 23, Issue 3, March 2016
- ISBN/ISSN
- DOI 10.1007/s10965-0
- Deskripsi Fisik
- J Polym Res (2016) 23:54
- Judul Seri
- Polymer Research
- No. Panggil
- -
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