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The effect of glyce...
The effect of glycerol, sugar and maleic anhydride on pectin-cellulose biofilms prepared from orange waste
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- Bátori, Veronika, 1980- (author)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Lundin, Magnus (author)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Åkesson, Dan, 1970- (author)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Lennartsson, Patrik R., 1983- (author)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Taherzadeh, Mohammad J, 1965- (author)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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- Zamani, Akram (author)
- Högskolan i Borås,Akademin för textil, teknik och ekonomi
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(creator_code:org_t)
- 2019-02-27
- 2019
- English.
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In: Polymers. - : MDPI AG. - 2073-4360.
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https://urn.kb.se/re...
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Abstract
Subject headings
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- This study was conducted to improve the properties of thin films prepared from orange waste by the solution casting method. The main focus was the elimination of holes in the film structure by establishing better cohesion between the major cellulosic and pectin fractions. For this, a previously developed method was improved first by the addition of sugar to promote pectin gelling, then by the addition of maleic anhydride. Principally, maleic anhydride was introduced to the films to induce cross-linking within the film structure. The effects of concentrations of sugar and glycerol as plasticizers and maleic anhydride as a cross-linking agent on the film characteristics were studied. Maleic anhydride improved the structure, resulting in a uniform film, and morphology studies showed better adhesion between components. However, it did not act as a cross-linking agent, but rather as a compatibilizer. The middle level (0.78%) of maleic anhydride content resulted in the highest tensile strength (26.65 ± 3.20 MPa) at low (7%) glycerol and high (14%) sugar levels and the highest elongation (28.48% ± 4.34%) at high sugar and glycerol levels. To achieve a uniform film surface with no holes present, only the lowest (0.39%) level of maleic anhydride was necessary.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Industriell bioteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Industrial Biotechnology (hsv//eng)
Keyword
- bio-based
- film
- mechanical properties
- polysaccharides
- resource recovery
- solution casting
- orange waste
- Resursåtervinning
- Resource Recovery
- Resursåtervinning
- Resource Recovery
Publication and Content Type
- ref (subject category)
- art (subject category)
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