Results 11 to 20 of about 10,132 (279)

Thermally enhanced polyolefin composites: fundamentals, progress, challenges, and prospects

open access: yesScience and Technology of Advanced Materials, 2020
The low thermal conductivity of polymers is a barrier to their use in applications requiring high thermal conductivity such as electronic packaging, heat exchangers, and thermal management devices.
A.U. Chaudhry   +2 more
doaj   +2 more sources

Polyolefin Blends

open access: yesMacromolecular Materials and Engineering, 2008
Nwabunma, Domasius, Kyu, Thein 1948-
openaire   +3 more sources

N,N-chelated nickel catalysts for highly branched polyolefin elastomers: a survey [PDF]

open access: yesRoyal 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
doaj   +1 more source

Oxo-Additives for Polyolefin Degradation: Kinetics and Mechanism

open access: yesMacromol, 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
doaj   +1 more source

EFFECT OF STORAGE TEMPERATURE, WRAPPING FILM AND STORAGE PERIOD ON SWEET CORN EAR BEHAVIOUR DURING STORAGE [PDF]

open access: yesJournal of Plant Production, 2007
The present study was undertaken at the postharvest laboratory,Horticulture Research Institute, Giza and development of horticulture, AinShamsUniversity.
Manal Attia   +3 more
doaj   +1 more source

Tannic Acid-Loaded Hydroxyapatite Carriers for Corrosion Protection of Polyolefin-Coated Carbon Steel

open access: yesApplied 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
doaj   +1 more source

Process Conditions in Preparation of MgCl2 Adduct on Crystalline Structure of the Support in ZN Catalyst [PDF]

open access: yesعلوم 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
doaj   +1 more source

In vitro comparative study of the surface properties of materials for removable prosthetic bases [PDF]

open access: yesRevista 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
doaj   +1 more source

1-Hexene Polymerization Using Ziegler-Natta Catalytic System with Response Surface Methodology [PDF]

open access: yesعلوم 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
doaj   +1 more source

Current Advances in Biodegradation of Polyolefins

open access: yesMicroorganisms, 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
doaj   +1 more source

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