Direct preparation of gelatin microcapsules on paper surface using simple coacervation technique

A simple coacervation technique was used to coat a functional paper with gelatin microcapsules containing geraniol to prepare functional papers with sustained fragrance release. This method eliminated the need for microcapsule preparation and coating with a binder. A gelatin solution containing gera...

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Bibliographic Details
Published inJournal of applied polymer science Vol. 129; no. 4; pp. 2139 - 2144
Main Authors Ichiura, Hideaki, Kaneda, Yoshitsugu
Format Journal Article
LanguageEnglish
Published Hoboken Wiley Subscription Services, Inc., A Wiley Company 15.08.2013
Wiley
Wiley Subscription Services, Inc
Subjects
Applied sciences
Binders
biomaterials
Blanks
Coating
composites
Exact sciences and technology
Forms of application and semi-finished materials
Gelatins
Materials science
Miscellaneous
Paper, paperboard, non wovens
Polymer industry, paints, wood
Polymers
Reproduction
Sodium carbonate
Sustained release
synthesis and processing
Technology of polymers
Wood. Paper. Non wovens
films
Coacervation
Oil water emulsion
Microcapsule
Experimental study
synthesis and processing
composites
Gelatin
Animal protein
Microencapsulation
biomaterials
Coated paper
Geraniol
Release
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Summary:A simple coacervation technique was used to coat a functional paper with gelatin microcapsules containing geraniol to prepare functional papers with sustained fragrance release. This method eliminated the need for microcapsule preparation and coating with a binder. A gelatin solution containing geraniol and Tween 20 was coacervated using sodium carbonate (Na2CO3) solution; the final Na2CO3 concentration in the solution was 5 wt %. Filter papers impregnated with the coacervation mixture were immersed in 0–20 wt % Na2CO3 solutions. Gelatin microcapsules were formed on the paper surface when 15 or 20 wt % Na2CO3 solutions were used. The maximum amount of geraniol was fixed on paper prepared under these conditions, and the percentage of residual geraniol in the paper (RES) was about 70% after 72 h; this value was much higher than that for a blank sheet. The formation of gelatin microcapsules was important for the fixation and sustained release of geraniol. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2013
Bibliography:istex:863D922A469D5ECE2158053133C0224D2ACB8031
ArticleID:APP38941
ark:/67375/WNG-XJ2X508W-R
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0021-8995
1097-4628
DOI:10.1002/app.38941