Titrations in Nonaqueous Solvents

Streuli, C. A.

doi:10.1021/ac60185a032

Cited by 3 publications

(2 citation statements)

References 25 publications

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“…The composition of the synthesized copolymers was determined by the conductometric titration 44 of the carboxylic groups with a 0.1 M potassium hydroxide methanol solution using a high-frequency titrator TV-6L1 (Russia). A given amount of the copolymer was dissolved in THF and KOH solution was added dropwise.…”

Section: Methodsmentioning

confidence: 99%

Control over the relative reactivities of monomers in RAFT copolymerization of styrene and acrylic acid

et al. 2018

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The relative monomer reactivities in the reversible addition-fragmentation chain transfer (RAFT) radical copolymerization of styrene (S) and acrylic acid (AA) in a solution of the polar solvent N,Ndimethylformamide are found to be dependent on the chemical nature of the RAFT agent. Polymeric RAFT agents based on polyacrylic acid enhance the difference in monomer reactivities (dithiobenzoate -The opposite effect on the relative reactivity of acrylic acid is observed when polymeric RAFT agents based on polystyrene are usedIn all the investigated systems the copolymers formed are characterized by narrow MWD due to the high efficiency of the chosen RAFT agents.

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Section: Methodsmentioning

confidence: 99%

Control over the relative reactivities of monomers in RAFT copolymerization of styrene and acrylic acid

et al. 2018

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“…Consequently, the acidic properties of isolated lignins merit further research either through improvements of existing MILLIEQUIVALENTS OF TITRANT This paper presents the results of an investigation of acidic properties of dioxane and alkali lignins in a nonaqueous system that combines features of the method of Butler and Czepiel (4), and that developed by Cundiff and Markunas (5) for the nonaqueous determination of acids. The theory and practice of titration in nonaqueous systems has been reviewed extensively (1,6,11,13). In the present system, the samples were dissolved in pyridine and titrated with potassium methoxide, using a platinized platinum indicatingmodified methanol calomel reference electrode combination.…”

Section: The Importance Of Acidic Groupsmentioning

confidence: 99%