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| Description
| - IR laser-induced chemical modification of poly(vinyl acetate) (PVAC) has been examined through ablative and non-ablative thermal processing of bulk PVAC, which revealed three previously unobserved decomposition routes. Low fluence-irradiations result in the formation of volatile vinyl acetate and acetone and leave the remaining irradiated polymer having almost identical structure. High fluence- irradiations yield a multitude of volatile compounds together with thin polymer films that contain a half of the acetate groups and reactive conjugated C=C bonds. Residual reactivity of the C=C bonds leads to polymer crosslinking and to an increase of polymer insolubility upon polymer staying. The laser induced processes differ remarkably from conventional heating of PVAC, which yields acetic acid and non-polar carbonaceous residue.
- IR laser-induced chemical modification of poly(vinyl acetate) (PVAC) has been examined through ablative and non-ablative thermal processing of bulk PVAC, which revealed three previously unobserved decomposition routes. Low fluence-irradiations result in the formation of volatile vinyl acetate and acetone and leave the remaining irradiated polymer having almost identical structure. High fluence- irradiations yield a multitude of volatile compounds together with thin polymer films that contain a half of the acetate groups and reactive conjugated C=C bonds. Residual reactivity of the C=C bonds leads to polymer crosslinking and to an increase of polymer insolubility upon polymer staying. The laser induced processes differ remarkably from conventional heating of PVAC, which yields acetic acid and non-polar carbonaceous residue. (en)
- IČ laserově-indukovaná modifikace poly(vinyl acetátu) (PVAC) byla zkoumána skrze ablativní a neablativní tepelné procesování PVAC. Byly zjištěny tři dříve nepozorované rozkladné reakce. Nízkoenergetické ozařování vede k tvorbě těkavých vinyl acetátu a acetonu a ponechává zbytkový polymer o téměř identické struktuře. Vysokoenergetické ozařování vede k mnoha těkavým produktům a k deposici tenkých filmů polymeru obsahujících polovinu acetony skupin a konjugované C=C vazby. Zbytková reaktivita C=C vazeb vede k prokřížení polymeru a ke snížení jeho rozpustnosti. Laserově iniciované procesy se významně odlišují od konvenčního záhřevu, který vede k tvorbě octové kyseliny a nepolárního uhlíkového residua. (cs)
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| Title
| - IR Laser-Induced Modification of Poly(vinyl acetate): Elimination of Monomer and Deposition of Polar Crosslinked Films
- IČ laserově-indukovaná modifikace poly(vinyl acetátu): eliminace monoméru a deposice polárního prokříženého polymerního filmu (cs)
- IR Laser-Induced Modification of Poly(vinyl acetate): Elimination of Monomer and Deposition of Polar Crosslinked Films (en)
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| skos:prefLabel
| - IR Laser-Induced Modification of Poly(vinyl acetate): Elimination of Monomer and Deposition of Polar Crosslinked Films
- IČ laserově-indukovaná modifikace poly(vinyl acetátu): eliminace monoméru a deposice polárního prokříženého polymerního filmu (cs)
- IR Laser-Induced Modification of Poly(vinyl acetate): Elimination of Monomer and Deposition of Polar Crosslinked Films (en)
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| skos:notation
| - RIV/67985858:_____/05:00028762!RIV06-AV0-67985858
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GA104/04/2028), P(KSK4050111), Z(AV0Z40720504)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/67985858:_____/05:00028762
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - poly(vinyl acetate); laser ablation; laser irradiation (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| |
| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Kupčík, Jaroslav
- Pola, Josef
- Šubrt, Jan
- Vorlíček, Vladimír
- Blazevska-Gilev, J.
- Galíková, Anna
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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