Results 231 to 240 of about 185,932 (259)
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Colloid and Polymer Science, 2020
The paper reports the preparation of a novel material composed of pectin chemically modified with polycaprolactone (PCL). PCL was firstly functionalized through radical grafting of maleic anhydride and glycidyl methacrylate in the molten state and then used as grafting agent onto pectins from apple, using a solvent free process.
Gorrasi G. +3 more
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The paper reports the preparation of a novel material composed of pectin chemically modified with polycaprolactone (PCL). PCL was firstly functionalized through radical grafting of maleic anhydride and glycidyl methacrylate in the molten state and then used as grafting agent onto pectins from apple, using a solvent free process.
Gorrasi G. +3 more
openaire +2 more sources
Journal of Colloid and Interface Science, 2008
Dielectric barrier discharge (DBD) technologies have been used to treat a polypropylene film. Various parameters such as treatment speed or electrical power were changed in order to determine the treatment power impact at the polypropylene surface. Indeed, all the treatments were performed using ambient air as gas to oxidize the polypropylene surface ...
Frédéric, Leroux +3 more
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Dielectric barrier discharge (DBD) technologies have been used to treat a polypropylene film. Various parameters such as treatment speed or electrical power were changed in order to determine the treatment power impact at the polypropylene surface. Indeed, all the treatments were performed using ambient air as gas to oxidize the polypropylene surface ...
Frédéric, Leroux +3 more
openaire +2 more sources
Physical and Barrier Properties of Plasma Enhanced Chemical Vapor Deposition α-SiC:N:H Films
Japanese Journal of Applied Physics, 2003In this work, we investigate the thermal stability and physical and barrier properties of three species of plasma enhanced chemical vapor deposition (PECVD) α-SiC:N:H silicon carbide films with different carbon and nitrogen contents and dielectric constants less than a value of 5.5.
Chiu-Chih Chiang +8 more
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Journal of Industrial and Engineering Chemistry, 2019
Abstract An evaluation module based on the liquid discharge trajectory equation was developed to improve the safety as a result of chemical leakage accidents. An evaluation was performed on leakage based on changes in the vessel pressure and discharge height during a leakage accident involving a vertical storage tank containing 35% hydrochloric acid (
Byungtae Yoo, Young-Seak Lee
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Abstract An evaluation module based on the liquid discharge trajectory equation was developed to improve the safety as a result of chemical leakage accidents. An evaluation was performed on leakage based on changes in the vessel pressure and discharge height during a leakage accident involving a vertical storage tank containing 35% hydrochloric acid (
Byungtae Yoo, Young-Seak Lee
openaire +1 more source
Prevention of sexually transmitted infections. Physical and chemical barrier methods.
Infectious disease clinics of North America, 1994Barrier contraceptives, including mechanical methods, chemical methods, and combinations thereof, have the potential to decrease the spread of STDs, are inexpensive, and do not have any systemic effects. Currently, the concerns that the efficacy of latex condoms is limited because they are not consistently used, they can break, may cause allergies, and
P, Stratton, N J, Alexander
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The physical, chemical and functional properties of lipids in the skin and other biological barriers
Chemistry and Physics of Lipids, 1998P W, Wertz, B, van den Bergh
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Nature of chemical bond and potential barrier in an invariant energy-orbital picture
Journal of Chemical Physics, 2022Yasuki Arasaki +2 more
exaly
Cirugia espanola, 2006
Composite biomaterials designed for the repair of abdominal wall defects are usually composed of a reticular component and a second component, or barrier, which is laminar (absorbable or non-reabsorbable) and which is placed in contact with the visceral peritoneum. This study was designed to evaluate how the composition of this second component affects
Juan M, Bellón +5 more
openaire +1 more source
Composite biomaterials designed for the repair of abdominal wall defects are usually composed of a reticular component and a second component, or barrier, which is laminar (absorbable or non-reabsorbable) and which is placed in contact with the visceral peritoneum. This study was designed to evaluate how the composition of this second component affects
Juan M, Bellón +5 more
openaire +1 more source