N,N-chelated nickel catalysts for highly branched polyolefin elastomers: a survey [PDF]
Royal Society Open Science, 2018 The physical properties and end applications of polyolefin materials are defined by their chain architectures and topologies. These properties can, in part, be controlled by a judicious choice of the steric and electronic properties of the catalyst and ...
Qaiser Mahmood, Wen-Hua Sun
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Oxo-Additives for Polyolefin Degradation: Kinetics and Mechanism
Macromol, 2023 This review considers the recent investigations in the scope of biodegradability of synthetic polymers, spanning polyethylene (PE), polypropylene (PP), and their corresponding composites, with a focus on the influence of oxo-additives (mostly transition ...
Eldar A. Mamin +2 more
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In vitro comparative study of the surface properties of materials for removable prosthetic bases [PDF]
Revista Portuguesa de Estomatologia, Medicina Dentária e Cirurgia Maxilofacial, 2022 Objectives: This work aimed to evaluate and compare the surface roughness, contact angle, and C. albicans adhesion in three materials for removable denture bases: polymethylmethacrylate and the thermoplastic resins polypropylene and polyolefin ...
Margarida Sampaio-Fernandes +5 more
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Applied Sciences, 2022 In this study, pH-sensitive hydroxyapatite particles loaded with tannic acid were incorporated in polyolefin-based coatings for the corrosion protection of carbon steel.
Roma Raj +4 more
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Process Conditions in Preparation of MgCl2 Adduct on Crystalline Structure of the Support in ZN Catalyst [PDF]
علوم و تکنولوژی پلیمر, 2010 MgCl2/C2H5OH adducts with constant relative ratio of 1/3 were prepared and kept at 120oC for different lengths of times of 5, 10, 20, 30, 50, 90,120 and 220 h. Then the samples were quenched and analyzed by XRD and BET.
N. Kalteh, M. Nekoomanesh, H. Arabi
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1-Hexene Polymerization Using Ziegler-Natta Catalytic System with Response Surface Methodology [PDF]
علوم و تکنولوژی پلیمر, 2017 The effects of process conditions and their interactions on the catalyst activity in 1-hexene polymerization were studied with design of experiments by response surface methodology (RSM) using a commercial Ziegler-Natta (ZN) catalyst in the form of TiCl4/
Maliheh Mazaheriyan +3 more
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Stability of Diluted Adenosine Solutions in Polyolefin Infusion Bags [PDF]
, 2013 Background Intravenous or intracoronary adenosine is used in the cardiac catherization lab to achieve maximal coronary blood flow and determine fractional flow reserve.
Almagambetova, Elise +3 more
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Current Advances in Biodegradation of Polyolefins
Microorganisms, 2022 Polyolefins, including polyethylene (PE), polypropylene (PP) and polystyrene (PS), are widely used plastics in our daily life. The excessive use of plastics and improper handling methods cause considerable pollution in the environment, as well as waste ...
Ni Zhang, Mingzhu Ding, Yingjin Yuan
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On the Use of Gallic Acid as a Potential Natural Antioxidant and Ultraviolet Light Stabilizer in Cast-Extruded Bio-Based High-Density Polyethylene Films [PDF]
, 2019 This study originally explores the use of gallic acid (GA) as a natural additive in bio-based high-density polyethylene (bio-HDPE) formulations. Thus, bio-HDPE was first melt-compounded with two different loadings of GA, namely 0.3 and 0.8 parts per ...
Balart, Rafael +5 more
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Ultra-Sensitive Piezo-Resistive Sensors Constructed with Reduced Graphene Oxide/Polyolefin Elastomer (RGO/POE) Nanofiber Aerogels. [PDF]
, 2019 Flexible wearable pressure sensors have received extensive attention in recent years because of the promising application potentials in health management, humanoid robots, and human machine interfaces.
Chen, Yuanli +8 more
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