Masks for COVID‐19

W Deng, Y Sun, X Yao, K Subramanian… - Advanced …, 2022 - Wiley Online Library
Sustainable solutions on fabricating and using a face mask to block the severe acute
respiratory syndrome coronavirus 2 (SARS‐CoV‐2) spread during this coronavirus …

Cavitation‐induced stress whitening in semi‐crystalline polymers

Y Lu, Y Men - Macromolecular Materials and Engineering, 2018 - Wiley Online Library
Cavitation‐induced stress whitening in semi‐crystalline polymers during stretching
significantly influences the physical properties of the materials. This review summarizes …

Electret polyvinylidene fluoride nanofibers hybridized by polytetrafluoroethylene nanoparticles for high-efficiency air filtration

S Wang, X Zhao, X Yin, J Yu, B Ding - ACS applied materials & …, 2016 - ACS Publications
Airborne particulate matter (PM) pollution has become a severe environmental concern
calling for electret fibrous materials with high filtration efficiency and low pressure drop …

New understanding in tuning toughness of β-polypropylene: the role of β-nucleated crystalline morphology

F Luo, C Geng, K Wang, H Deng, F Chen, Q Fu… - …, 2009 - ACS Publications
It is widely believed that the trigonal β-form is favorable and effective for toughening isotactic
polypropylene (iPP). Therefore, β-form content should be achieved as high as possible to …

Effect of Solubility and Nucleating Duality of N,N'-Dicyclohexyl-2,6-naphthalenedicarboxamide on the Supermolecular Structure of Isotactic Polypropylene

J Varga, A Menyhard - Macromolecules, 2007 - ACS Publications
N, N '-Dicyclohexyl-2, 6-naphthalenedicarboxamide (NJS) is an efficient nucleating agent to
prepare isotactic polypropylene (iPP) samples rich in the β-modification (β-iPP). However …

The effect of temperature and humidity on the filtration performance of electret melt-blown nonwovens

C Liu, Z Dai, B He, QF Ke - Materials, 2020 - mdpi.com
Electret melt-blown nonwovens are widely used for air purification due to their low pressure
drop and high filtration efficiency. However, the charge stability could be affected by the …

Piezo-, pyro-and ferroelectrets: soft transducer materials for electromechanical energy conversion

S Bauer - IEEE Transactions on Dielectrics and Electrical …, 2006 - ieeexplore.ieee.org
Cellular space charge polymer electrets significantly enlarge the basis of pyro-and
piezoelectric as well as ferroic materials. Since the first review of the field has been …

Boehmite nanoparticles incorporated electrospun nylon-6 nanofiber web for new electret filter media

BY Yeom, E Shim, B Pourdeyhimi - Macromolecular research, 2010 - Springer
Abstract Nylon-6 (PA6) nanofiber webs incorporated with boehmite nanoparticles as an
electrostatic charging agent were electrospun and their fiber morphology was characterized …

Influence of incorporation of ZnO nanoparticles and biaxial orientation on mechanical and oxygen barrier properties of polypropylene films for food packaging …

N Lepot, MK Van Bael, H Van den Rul… - Journal of applied …, 2011 - Wiley Online Library
In this work, the effect of zinc oxide (ZnO) concentration and shape on processing and
properties of new biaxially oriented polypropylene (BOPP)‐ZnO nanocomposites was …

Electrostatic capture efficiency enhancement of polypropylene electret filters with barium titanate

A Kilic, E Shim, B Pourdeyhimi - Aerosol Science and Technology, 2015 - Taylor & Francis
This study reports on the effects of BaTiO3—a high dielectric constant additive—addition on
charging and filtration properties of meltblown polypropylene (PP) electret filters. Since …