![5-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-amine structure](https://static.chemtradehub.com/structs/122/1227210-33-4-8d64.webp "5-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-amine structure")
5-Methyl-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrazin-2-amine
CAS Number:
1227210-33-4
Molecular Formula:
C7H12N4
The UCST phase transition of a dextran based copolymer in aqueous media with tunable thermoresponsive behavior
Literature Information
Publication Date
2022-06-15
DOI
10.1039/D2PY00626J
Impact Factor
5.582
Authors
Shaon Dey, Arpita Roy, Kalipada Manna, Sagar Pal
View Original
Abstract
A hydrogen bonded UCST polymer has been developed by grafting of methacrylamide and acrylic acid on dextran via free radical polymerization. By varying the methacrylamide concentration, four different grades of copolymers have been synthesized, which form H-bonds between acid and amide groups at low temperature. This makes the copolymer insoluble (forms aggregates) in water while becoming soluble beyond a certain temperature (TCP) when the H-bonds collapse (aggregates break down), which is also evident from dynamic light scattering analysis. The effects of pH, monomer composition, and the concentration of the polymer and salt on the cloud point have been explored in detail.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.
Recommended Compounds
4-Benzyl-1-(tert-butoxycarbonyl)piperidine-4-carboxylic acid
CAS Number:
170838-87-6
Molecular Formula:
C18H25NO4
![2,6-Bis({(2R)-2-[hydroxy(diphenyl)methyl]-1-pyrrolidinyl}methyl)-4-methylphenol structure](https://static.chemtradehub.com/structs/877/877395-58-9-70bf.webp "2,6-Bis({(2R)-2-[hydroxy(diphenyl)methyl]-1-pyrrolidinyl}methyl)-4-methylphenol structure")
2,6-Bis({(2R)-2-[hydroxy(diphenyl)methyl]-1-pyrrolidinyl}methyl)-4-methylphenol
CAS Number:
877395-58-9
Molecular Formula:
C43H46N2O3
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