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- Hosseinpourpia, Reza,1983-Linnéuniversitetet,Institutionen för skog och träteknik (SOT),GoFP (author)
Modification of Pea Starch and Dextrin Polymers with Isocyanate Functional Groups
- Article/chapterEnglish2018
Publisher, publication year, extent ...
- 2018-08-23
- MDPI,2018
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:lnu-77435
- https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-77435URI
- https://doi.org/10.3390/polym10090939DOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
Classification
Notes
- Pea starch and dextrin polymers were modified through the unequal reactivity of isocyanate groups in isophorone diisocyanate (IPDI) monomer. The presence of both urethane and isocyanate functionalities in starch and dextrin after modification were confirmed by Fourier transform infrared spectroscopy (FTIR) and 13C nuclear magnetic resonance (13C NMR). The degree of substitution (DS) was calculated using elemental analysis data and showed higher DS values in modified dextrin than modified starch. The onsets of thermal degradation and temperatures at maximum mass losses were improved after modification of both starch and dextrin polymers compared to unmodified ones. Glass transition temperatures (Tg) of modified starch and dextrin were lower than unmodified control ones, and this was more pronounced in modified dextrin at a high molar ratio. Dynamic water vapor sorption of starch and dextrin polymers indicated a slight reduction in moisture sorption of modified starch, but considerably lower moisture sorption in modified dextrin as compared to that of unmodified ones.
Subject headings and genre
- NATURVETENSKAP Kemi Polymerkemi hsv//swe
- NATURAL SCIENCES Chemical Sciences Polymer Chemistry hsv//eng
- LANTBRUKSVETENSKAPER Lantbruksvetenskap, skogsbruk och fiske Livsmedelsvetenskap hsv//swe
- AGRICULTURAL SCIENCES Agriculture, Forestry and Fisheries Food Science hsv//eng
- LANTBRUKSVETENSKAPER Lantbruksvetenskap, skogsbruk och fiske Trävetenskap hsv//swe
- AGRICULTURAL SCIENCES Agriculture, Forestry and Fisheries Wood Science hsv//eng
- Livsmedelsvetenskap
- Food Science
- Organisk kemi
- Organic Chemistry
Added entries (persons, corporate bodies, meetings, titles ...)
- Echart, Arantzazu SantamariaUniversity of the Basque Country UPV/EHU, Spain (author)
- Adamopoulos, StergiosLinnéuniversitetet,Institutionen för skog och träteknik (SOT),GoFP(Swepub:lnu)stadab (author)
- Gabilondo, NagoreUniversity of the Basque Country UPV/EHU, Spain (author)
- Eceiza, ArantxaUniversity of the Basque Country UPV/EHU, Spain (author)
- LinnéuniversitetetInstitutionen för skog och träteknik (SOT) (creator_code:org_t)
Related titles
- In:Polymers: MDPI10:92073-4360
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