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Morphology and strength of cellulose derivatives coatings in fluid bed processing

Katarzyna Nienaltowska UGent (2012)
abstract
Microencapsulation is defined as a process in which small particles or droplets are surrounded by a coating in order to obtain small capsules with many valuable properties. One of the most commonly used and most promising techniques to realise microencapsulation in the food industry is fluidized bed coating. The effectiveness of the fluidized bed coating process can be verified by the quantification of the coating quality. Verification of coating quality is an important issue for companies that produce encapsulated food ingredients since deviations from the intended value of coating thickness may cause problems related to release of core material. The main goal of this PhD study was to examine the quality of coatings obtained from four selected water-soluble cellulose derivatives: methylcellulose, low and high viscous type of carboxymethylcellulose and hydroxypropylcellulose. The quality of the coatings was examined for two aspects: coating morphology and coating strength. To this end, the Confocal Laser Scanning Microscopy (CLSM) was used to determine the coating morphology and the repeated impact tests (RIT) were applied to evaluate the attrition strength of cellulose derivative coatings on various core materials. Within this PhD research, coating quality and coating thickness of selected materials were quantified. Furthermore, the relationship between coating material properties and the coating quality was examined.
Please use this url to cite or link to this publication:
author
promoter
UGent and UGent
organization
alternative title
Morfologie en sterkte van cellulosederivaten in wervelbedomhulling
year
type
dissertation (monograph)
subject
keyword
coating quality, attrition strength, cellulose derivatives, fluidized bed coating
pages
XVIII, 180 pages
publisher
Ghent University. Faculty of Bioscience Engineering
place of publication
Ghent, Belgium
defense location
Gent : Faculteit Bio-ingenieurswetenschappen (A0.030)
defense date
2012-01-24 15:00
ISBN
9789059894945
language
English
UGent publication?
yes
classification
D1
additional info
dissertation consists of copyrighted material
copyright statement
I have transferred the copyright for this publication to the publisher
id
1997594
handle
http://hdl.handle.net/1854/LU-1997594
date created
2012-01-19 21:35:54
date last changed
2012-01-20 10:34:38
@phdthesis{1997594,
  abstract     = {Microencapsulation is defined as a process in which small particles or droplets are surrounded by a coating in order to obtain small capsules with many valuable properties. One of the most commonly used and most promising techniques to realise microencapsulation in the food industry is fluidized bed coating. The effectiveness of the fluidized bed coating process can be verified by the quantification of the coating quality. Verification of coating quality is an important issue for companies that produce encapsulated food ingredients since deviations from the intended value of coating thickness may cause problems related to release of core material. 
The main goal of this PhD study was to examine the quality of coatings obtained from four selected water-soluble cellulose derivatives: methylcellulose, low and high viscous type of carboxymethylcellulose and hydroxypropylcellulose. The quality of the coatings was examined for two aspects: coating morphology and coating strength. To this end, the Confocal Laser Scanning Microscopy (CLSM) was used to determine the coating morphology and the repeated impact tests (RIT) were applied to evaluate the attrition strength of cellulose derivative coatings on various core materials. Within this PhD research, coating quality and coating thickness of selected materials were quantified. Furthermore, the relationship between coating material properties and the coating quality was examined.},
  author       = {Nienaltowska, Katarzyna},
  isbn         = {9789059894945},
  keyword      = {coating quality,attrition strength,cellulose derivatives,fluidized bed coating},
  language     = {eng},
  pages        = {XVIII, 180},
  publisher    = {Ghent University. Faculty of Bioscience Engineering},
  school       = {Ghent University},
  title        = {Morphology and strength of cellulose derivatives coatings in fluid bed processing},
  year         = {2012},
}

Chicago
Nienaltowska, Katarzyna. 2012. “Morphology and Strength of Cellulose Derivatives Coatings in Fluid Bed Processing”. Ghent, Belgium: Ghent University. Faculty of Bioscience Engineering.
APA
Nienaltowska, K. (2012). Morphology and strength of cellulose derivatives coatings in fluid bed processing. Ghent University. Faculty of Bioscience Engineering, Ghent, Belgium.
Vancouver
1.
Nienaltowska K. Morphology and strength of cellulose derivatives coatings in fluid bed processing. [Ghent, Belgium]: Ghent University. Faculty of Bioscience Engineering; 2012.
MLA
Nienaltowska, Katarzyna. “Morphology and Strength of Cellulose Derivatives Coatings in Fluid Bed Processing.” 2012 : n. pag. Print.