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Open Repository and Bibliography - University of Liège
Patent . 2020
Full-Text: https://orbi.uliege.be/bitstream/2268/254094/1/Debuigne%20A%20-%202020%20-%20Patent%20EP3653652%20A1.pdf
Data sources: Open Repository and Bibliography - University of Liège
Claim

Polyvinyl alcohol and method for producing polyvinyl alcohol

descriptionPublicationkeyboard_double_arrow_right Patent 20 May 2020 Belgium English
Authors: Takayama, Takumi; Maekawa, Kazuiko; Detrembleur, Christophe; Debuigne, Antoine; Jérôme, Christine;

handle: 2268/254094

Polyvinyl alcohol and method for producing polyvinyl alcohol

Abstract

A polyvinyl alcohol has a number-average molecular weight (Mn) from 4,400 to 440,000, a molecular weight distribution (Mw/Mn) from 1.05 to 1.70, a degree of saponification from 80 to 99.99 mol%, wherein the polyvinyl alcohol contains an end group represented by a formula (I) below, and a molar ratio (X) of the end group based on total monomer units and the number-average molecular weight (Mn) satisfy a formula (1) below. Such a polyvinyl alcohol has a narrow molecular weight distribution and a high number-average molecular weight with hue good.(In the formula, R1denotes an optionally substituted aromatic group having a carbon number from 6 to 20, and R2denotes a hydrogen atom, an alkyl group having a carbon number from 1 to 20, or an optionally substituted aromatic group having a carbon number from 6 to 20.)X·Mn/44≥0.5

Country
Belgium
Related Organizations
Keywords

Chemistry, Physical, chemical, mathematical & earth Sciences, Physique, chimie, mathématiques & sciences de la terre, Chimie, Materials science & engineering, radical polymerization, Engineering, computing & technology, Ingénierie, informatique & technologie, Science des matériaux & ingénierie

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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