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  • 1 T. Bata University Institute of Polymer Engineering, Faculty of Technology Nám. T.G.M. 275 Zlín 762 72 The Czech Republic
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Abstract  

Processing hydrogels of collagen hydrolysate (H) cross-linked with dialdehyde starch (DAS) by dipping or casting into biodegradable materials for various applications, is complicated by their marked tendency to aging. One-hour action by temperatures at 60–90 °C reduces sorbed water content in hydrogels by approx. 12%; dependence of the extent of this reduction on temperature (within the mentioned range) was not detected. Effect of thermal action on duration of their disintegration in an aqueous medium and on its pH (within limits 4.8–7.4) was not found either, neither on their gel–sol transition temperature. This supports the view that aging is caused by time-dependent increasing network density of inter-chain hydrogen cross-links. The given temperature interval is satisfactory for processing hydrogels through technologies currently used in processing synthetic plastics (compression molding, injection molding).

Manuscript Submission: HERE

  • Impact Factor (2019): 2.731
  • Scimago Journal Rank (2019): 0.415
  • SJR Hirsch-Index (2019): 87
  • SJR Quartile Score (2019): Q3 Condensed Matter Physics
  • SJR Quartile Score (2019): Q3 Physical and Theoretical Chemistry
  • Impact Factor (2018): 2.471
  • Scimago Journal Rank (2018): 0.634
  • SJR Hirsch-Index (2018): 78
  • SJR Quartile Score (2018): Q2 Condensed Matter Physics
  • SJR Quartile Score (2018): Q2 Physical and Theoretical Chemistry

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
4
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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