نتایج جستجو برای: physical foaming method

تعداد نتایج: 2204316  

2007
J. H. RUPNOW M. G. ZEECE

------ARSTRACT-----Corn germ protein isolate (CGP[) was partially hydrolyzed with tryp~ sin and pepsin and succinylated at three levels. Various functional and electrophoretic properties of the native and modified protein were determined. Water absorption and foaming properties of COPT were improved by panial hydrolysis with trypsin: emulsifying capacity and nitrogen solubility were reduced~ oi...

2016
Fan Cheng Pengbo Lu Pengfei Ren Jinbo Chen Yanghao Ou Meiyan Lin Detao Liu

Sustainability and eco-efficiency are presently directing the development of the next generation of acoustic materials. In this work, foamed cellulosepolymer microsphere (PM) hybrid materials, having sound-absorbing capability, were prepared by incorporating the PMs into cellulose fibers by dehydration and foaming processes. The evolution in morphology of PMs during foaming process was investig...

2003
P. SOMASUNDARAN

Separation of various chemical components from each otheJO is often the most difficult step in analytical procedures. The problems attached to separation become further magnified when the species concentations are extremely low. A group of techniques that has proven useful especially in dilute solutions for separating and concentrating metallic as well as nonmetallic ions and complexes, protein...

Journal: :International Polymer Processing 2022

Abstract The production of thermoplastic polyurethane-based porous heterostructures combining physical foaming with fused deposition modeling is detailed in this contribution. choice these two techniques lies the possibility creating objects endowed a dual-scale structure at millimeter scale by and microscopic gas foaming. Thermal stability rheological properties neat polymer were studied prior...

2005
V. LECHEVALIER A. ARHALIASS J. LEGRAND F. NAU

The transformation of shell eggs into safe liquid, frozen or spray-dried egg white with extended shelf life requires many technological operations that result in modifications to the egg white’s functional properties. During these processes, shear rates underwent by egg white may be responsible for part of the loss of its functional properties. The present study was aimed at measuring the effec...

Journal: :Physics of Fluids 2021

Biodegradable plastics are thought to be the possible directions in managing plastic pollutions. Unfortunately, they not recycled most countries since designed decompose even though recycling is a more pragmatic method than landfill or incineration. Thus, it constructive develop methods recycle biodegradable yet recyclable plastics. In this study, we used cutlery with composite of poly(lactic a...

Journal: :Electrical Engineering & Electromechanics 2021

Introduction. Over the past 10 years, number of industrial networks has more than doubled. At physical level, all technology are based on twisted pair. Purpose. Synthesis constructive-technological decisions regulation electric capacitance insulated conductor at a stage manufacturing pair cables networks. Methodology. The method secondary charges to determine by varying thickness solid and foam...

2011
David A. McKeown Hao Gan Ian L. Pegg

X-ray absorption spectra (XAS) were collected and analyzed to characterize bismuth (Bi) environments in borosilicate glass formulations developed for the immobilization of high level nuclear wastes (HLW), from the bismuth phosphate process. Therefore, the structural role of Bi in these glasses is of interest; in addition in the present study, more particular interest in Bi originated from unusu...

2014
M. Karimi M. Heuchel Th. Weigel K. Kratz A. Lendlein

Creation of foam structures from hydrolytically degradable poly(ε-caprolactone) (PCL) is a current task in biomaterial research. One example are degradable scaffolds. The thermodynamic and kinetic conditions in a supercritical CO2 (scCO2) supported foaming process of PCL can influence the resulting morphology of the foam. PCL-foaming with scCO2 was systematically investigated in the pressure ra...

Journal: :Lebensmittel-Wissenschaft & Technologie 2021

Wine lees, a sludge-like material mainly consisting of yeast cells, are rich in mannoproteins. However, no reports on the extraction mannoproteins from wine lees to be used as winemaking additives available. This study aimed at developing efficient methods for glycocompounds and assess their impacts when added back wine. White were extracted using physical (autoclave ultrasonication) enzymatic ...

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