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Petro - Theses: Recent submissions

Now showing items 1141-1160 of 1415

Studies on degradation inhibitors for amine based solvents for CO2 absorption from power plant flue gases

Purachet Pitipuech (Chulalongkorn University, 2008)

Degradation of monoethanolamine during CO2 absorption from power plant flue gases can cause significant problems in CO2 capture process from flue gases. This work focused on developing degradation prevention or minimization ...
Transport through carbon steel of hydrogen produced by flow-accelerated corrosion

Prisana Homhuandee (Chulalongkorn University, 2008)

Atomic hydrogen is produced as a by-product when a ferrous metal surface is exposed to water at a high temperature at a rate corresponding to the rate of corrosion. In de-aerated conditions, the hydrogen atoms permeate ...
Molecular design and synthesis of benzimidazole heterocycle : a model molecule for a hydrogen bonded proton transfer network

Priew Eiamlamai (Chulalongkorn University, 2008)

A series of difunctional benzimidazole-based compound, i.e., l,4-di (1H- benzo[d]imidazol-2-yl) benzene, 1, and 3,5-di(1H-benzo[d]imidazol-2- yl)benzenamine, 2 are designed as model compounds for the proton transferring ...
Photocatalytic decomposition of methyl orange Azo Dye using nanostructured TiO2 photocatalyst

Piyanud Jantawasu (Chulalongkorn University, 2008)

An azo compound is an important class of synthetic dyes and is characterized by the presence of one or more azo group (-N-N-) linked between aromatic rings. The release of this coloring agent definitely causes wastewater ...
Controlled transdermal iontophoresis of sulfosalicylic acid from polypyrrole/Poly(acrylic acid) hydrogel

Phithupha Chansai (Chulalongkorn University, 2008)

Transdermal drug delivery system is a system that delivers a drug into a body at a desired site and rate. The conductive polymer-hydrogel blend between polypyrrole (PPy) doped with an anionic drug and poly (acrylic acid) ...
Water droplet impact phenomena on super-hydrophobic surface

Patrapee Arcade (Chulalongkorn University, 2008)

The water droplet impact phenomena on the super-hydrophobic surface of plasma-treated polypropylene film coated on a glass surface were investigated by using a high-speed solid-state CCD camera. The experiments were conducted ...
Preparation of poly(vinyl alcohol)/platinum nanoparticles nanocomposite nanofibers

Narissara Tinnarat (Chulalongkorn University, 2008)

Nanocomposites based on poly (vinyl alcohol) (PVA) nanofibers filled with platinum (Pt) nanoparticles were prepared by electrospinning technique. PVA was used as both the stabilizer to prevent Pt nanoparticles agglomeration ...
Electrospun gelatin/hyaluronic acid fiber mats for medical applications

Kunchnok Petchsiri (Chulalongkorn University, 2008)

The natural polymers chosen to produce fibrous structure using the electrospinning process were gelatin (a form of denatured collagen) and hyaluronic acid (a type of glycosaminoglycan) (GAG). The electrospun fibers had the ...
Electroactive polydiphenylamine/styrene-isoprene-styrene (SIS) blends in the effect of morphology and particle concentration

Kraipop Thongsak (Chulalongkorn University, 2008)

The electrorheological (ER) properties of styrene-isoprene-styrene triblock copolymers (SIS) films (D1114P (19%wt PS), D1164P (29%wt PS), and D1162P (44%wt PS) and the polymer blends between dedoped-polydiphenylamine ...
Biomedical chitosan material : water based system superabsorbent hydrogel and aerogel

Patomporn Chantarasataporn (Chulalongkorn University, 2008)

Water-based chitosan are developed for biomedical applications by simply mixing chitosan and HOBt (1-hydroxybenzotriazole monohydrate) with WSC (l-ethyl-3-(3-methyl-aminopropylcarbodiimide) hydrochloride) at room temperature. ...
Catalytic extrusion of polylactide/ethylene vinyl alcohol bioplastic film

Patcharakamon Nooeaid (Chulalongkorn University, 2008)

The ring-opening polymerization of lactide was generated by a continuous single-step reactive extrusion process in the presence of 2-ethylhexanoic acid tin(II) salt, Sn(Oct)2, as a catalyst to obtain high molecular weight ...
Reactive processing of linear low density polyethylene modified by chemical and plasma-assisted processes

Patchara Tasanatanachai (Chulalongkorn University, 2008)
Preparation of chitin sheets incorporated with curcumin

Pakavadee Ratanajiajaroen (Chulalongkorn University, 2008)
Electrical conductivity response of poly(phenylene vinylene) /zeolite composites exposed to ammonium nitrate

Jirarat Kamonsawas (Chulalongkorn University, 2008)
Piezoelctric enhancement of PVDF films by induced internal bubble shapes

Ditthapun Suwansumpan (Chulalongkorn University, 2008)
Metal complexation via benzoxazine-based molecules : an approach of membrane electrode for proton exchange membrane fuel cell

Autchara Pangon (Chulalongkorn University, 2008)
Osteoblastic cell growth and enzymatic degradation of different aliphatic polyester scaffolds

Attaphon Prasansuklarb (Chulalongkorn University, 2008)
High dielectric composite material at multi-frequency range

Nidchakarn Krueson (Chulalongkorn University, 2008)
Development of zeolite membrane for ethanol separation

Neeranut Kuanchertchoo (Chulalongkorn University, 2008)
Polypropylene/organoclay nanocomposite intelligent packaging

Natthira Ruangrit (Chulalongkorn University, 2008)

Now showing items 1141-1160 of 1415

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