Güncel Gönderiler: Polimer Mühendisliği Bölümü
Toplam kayıt 83, listelenen: 61-80
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N-vinylcaprolactam-based microgels: synthesis, characterization and drug release applications
(Springer Netherlands, 2016)In this study, N-vinylcaprolactam, metacrylic acid sodium salt and itaconic acid sodium salt-based copolymeric and terpolymeric microgels were synthesized by precipitation polymerization method with 2,2?-azobis(2-methylp ... -
Influence of interstitial filling on breakage kinetics of gypsum in ball mill
(Elsevier, 2011)Gypsum is an industrial material used in many applications such as building and chemical industry, fertilizer manufacture, medicine and dentistry. In these industries, there is need for finely ground gypsum. Energy consumption ... -
A new size distribution model by t-family curves for comminution of limestones in an impact crusher
(Elsevier, 2011)In the evaluation of crushers, t-family curves obtained from single particle test methods are frequently used. It is known that there are many difficulties and problems in these tests. In this study the breakage behaviour ... -
An investigation on the effects of the ball filling on the breakage parameters of natural amorphous silica
(Elsevier B.V., 2016)The effects of ball filling on the selection (Si) and breakage functions (Bi,j) for the natural amorphous silica were investigated in this paper. At four levels (20%, 30%, 40% and 50%) of ball filling, the selection functions ... -
The effects of ball filling and ball diameter on kinetic breakage parameters of barite powder
(Elsevier, 2012)The absolute fineness of the ball diameter and the ball charge grading are important factors for the optimal operation of a ball mill. Therefore, the effects on breakage kinetics of the ball diameter and the fractional ... -
Synthesis of Zn(II) ion-imprinted polymeric adsorbent for selective removal of zinc from aqueous solutions
(2011)In this study, Zn(II)-imprinted polymer microbeads were synthesized for selective removal of Zn(II) from aqueous solutions. The microbeads were prepared using methacrylic acid and 1,4-vinyl pyrrolidone as functional monomers, ... -
Worldwide trends on encapsulation of phase change materials: A bibliometric analysis (1990–2015)
(Elsevier Ltd, 2017)Context Science is not static! In light of this basic approach, it can be expressed clearly that bibliometric methods or analysis has become an indispensable guide to be draw scientific and technological roadmaps in their ... -
A study on the effect of ball diameter on breakage properties of clinker and limestone
(The Council of Scientific & Industrial Research, 2012)Effect of ball diameter has been studied on the limestone and clinker samples under batch grinding conditions based on a kinetic model. Firstly, eight different mono-size fractions between 1.7 mm and 0.106 mm formed by a ... -
Dewatering of barite clay wastewater by inorganic coagulants and co-polymer flocculants
(Oficyna Wydawnicza Politechniki Wroclawskiej, 2015)This work is focused on dewatering of barite-containing clay waste from a barite beneficiation plant by coagulation and flocculation to enhance the dewatering rate and recycling of process water. A flocculation performance ... -
Production of white barite from barite concentrates of shaking tables by bleaching process after magnetic methods
(Polish Mineral Engineering Society, 2018)Market price of industrial minerals depends on the purity of products, and increases almost exponentially with the decrease in grade of coloring impurities. Therefore, this work was conducted to investigate the applicability ... -
The effect of ball type in fine particles grinding on kinetic breakage parameters
(Polish Mineral Engineering Society, 2015)In the study, the effect of different grinding media on breakage parameters was investigated. Ceramic and steel balls were used as the grinding media. It was observed that the grinding of ignimbrite obeyed first-order ... -
The evaluation of grinding process using artificial neural network
(Elsevier, 2016)Ball milling has been the subject of intensive research for the past few decades. It is indeed the most encountered mineral processing operation of size reduction. Known as the most energy inefficient process, focus has ... -
Comparison with some porous materials and the effects of powder filling on breakage parameters of diatomite in dry ball milling
(Taylor and Francis, 2011)In this study, a comparison of breakage parameters with some porous materials (pumice, trass, and amorphous silica) and the effects on breakage kinetics of powder filling of diatomite were investigated on at batch grinding ... -
Estimation of the bond grindability index from the sink-float test data of two different particulate pumices
(Taylor and Francis, 2012)In this study, equations for estimating the Bond grindability index by the sink-float test data of pumice were developed. Primarily, the cumulative weight and porosity content of the floating fraction were determined for ... -
Effects of mill speed on kinetic breakage parameters of four different particulate pumices
(Taylor and Francis, 2013)In this study, the effect of mill speed was investigated on different particulate pumice samples at batch grinding conditions based on a kinetic model. For this purpose, S i and B i,j equations were determined from the ... -
Computer simulation of product size distribution of a laboratory ball mill
(Taylor and Francis Inc., 2011)In this study, a computer simulation of a suitable matrix notation of the Broadbent and Callcott grinding model was written. First, a chromite sample was ground in the laboratory type batch ball mill at different grinding ... -
The effects of powder filling on the kinetic breakage parameters of natural amorphous silica
(Taylor and Francis Inc., 2017)In this study, the effects of powder filling were investigated on natural amorphous silica at batch grinding conditions based on a kinetic model. For this purpose, first eight different mono-sized fractions were carried ... -
Controlled release profile of 5-fluorouracil loaded P(AAM-co-NVP-co-DEAEMA) microgel prepared via free radical precipitation polymerization
(Springer Verlag, 2018)A new microgel was prepared by free radical precipitation polymerization of acrylamide (AAM), 1-vinyl-2-pyrrolidone (NVP) and 2-(diethylamino)ethyl methacrylate (DEAEMA) to be used for the controlled drug release. The ... -
Synthesis and characterization of terminalalkynyl-substituted unsymmetrical zinc phthalocyanine conjugated with well-defined polymers
(2014)Synthesis of unsymmetrically terminalalkynyl substituted zinc (II) phthalocyanine (ZnPc) through an efficient statistical condensation reaction with the unprotected phthalonitrile (2) is reported for the first time. Isolated ... -
Synthesis and characterization of novel tetra terminal alkynyl-substituted phthalocyanines and their star polymers via click reaction
(2013)For the first time, symmetrically tetra terminal alkynyl-substituted phthalocyanines (Pcs) were functionalized with polymers, that is, via 1,3-dipolar cycloaddition reaction. For this purpose, 4-pent-4-ynyloxy- phthalonitrile ...
