Starch esters as biodegradable plastics: Effects of ester group chain length and degree of substitution on anaerobic biodegradation

1995 ◽  
Vol 17 (9) ◽  
pp. 848-852 ◽  
Author(s):  
C. Rivard ◽  
L. Moens ◽  
K. Roberts ◽  
J. Brigham ◽  
S. Kelley
Keyword(s):  
Chain Length ◽  
Anaerobic Biodegradation ◽  
Ester Group ◽  
Biodegradable Plastics ◽  
Degree Of Substitution

Effect of Alkyl Chain Length and Degree of Substitution on the Complexation of Sulfoalkyl Ether β-Cyclodextrins with Steroids

1997 ◽  
Vol 86 (2) ◽  
pp. 220-224 ◽  
Author(s):  
Vahid Zia ◽  
Roger A. Rajewski ◽  
Esteban R. Bornancini ◽  
Ernestina A. Luna ◽  
Valentino J. Stella
Keyword(s):  
Chain Length ◽  
Alkyl Chain ◽  
Alkyl Chain Length ◽  
Degree Of Substitution

Synthesis of Cellulose Fatty Esters as Plastics-Influence of the Degree of Substitution and the Fatty Chain Length on Mechanical Properties

ChemSusChem ◽  
2009 ◽  
Vol 2 (2) ◽  
pp. 165-170 ◽  
Author(s):  
Lucie Crépy ◽  
Ludovic Chaveriat ◽  
Joseph Banoub ◽  
Patrick Martin ◽  
Nicolas Joly
Keyword(s):  
Mechanical Properties ◽  
Chain Length ◽  
Degree Of Substitution ◽  
Fatty Esters

Organische Schwefelverbindungen, XXIV1,2 Kettenlängen-Effekte bei massenspektrometrischen Zerfällen von α,ω-Dithiodicarbonsäure-S.S′-di-p-tolylestern / Organosulfur Compounds, XXIV1,2 Chain Length Effects in Mass Spectroscopic Decompositions of S,S′ -di-p-tolyl-α,ω-bis(thioates)

1977 ◽  
Vol 32 (6) ◽  
pp. 657-663 ◽  
Author(s):  
Jürgen Martens ◽  
Klaus Praefcke ◽  
Ursula Schulze ◽  
Helmut Schwarz ◽  
Helmut Simon
Keyword(s):  
Chain Length ◽  
Decisive Role ◽  
Ester Group ◽  
Cyclization Reaction ◽  
Organosulfur Compounds ◽  
Thiol Ester ◽  
Fragmentation Behavior ◽  
Decomposition Processes ◽  
Spectroscopic Behavior ◽  
Length Effects

The study on the mass spectroscopic behavior of the title compounds is based on AP-measurements, the investigation of deuterated derivatives, and the analysis of chain length effects. It is shown that, among other things, the stable [M-STol]+-ions produced by 9 homologs will not enter a cyclization reaction within 10-5 sec. The reactive [M-STol]+-species of S,S′-di-p-tolyl dithioadipate possess an abnormal fragmentation behavior (consecutive lass of CO and H2O), the details of which are elucidated by employment of 2H-labelled compounds and investigation of S,S′-di-p-tolyl 2,5-dimethyldithioadipate. Obviously, the sulfur of the thiol ester group seems to play a decisive role in this and other decomposition processes.

scholarly journals Effect of alkyl chain length in the terminal ester group on mesomorphic properties of new chiral lactic acid derivatives

2016 ◽  
Vol 43 (10) ◽  
pp. 1472-1485 ◽  
Author(s):  
Michal Kohout ◽  
Alexej Bubnov ◽  
Jiří Šturala ◽  
Vladimíra Novotná ◽  
Jiří Svoboda
Keyword(s):  
Lactic Acid ◽  
Chain Length ◽  
Alkyl Chain ◽  
Ester Group ◽  
Alkyl Chain Length ◽  
Mesomorphic Properties

The Adsorption by Aerobacter Aerogenes of P-Hydroxybenzoic Acid and Its Esters and of Sodium Benzoate at Different Ph Levels

1959 ◽  
Vol 12 (2) ◽  
pp. 204
Author(s):  
RGH Barbour
Keyword(s):  
Chain Length ◽  
Surface Activity ◽  
Sodium Benzoate ◽  
Ester Group ◽  
Hydroxybenzoic Acid ◽  
Methyl Ethyl ◽  
Aerobacter Aerogenes ◽  
Butyl Esters ◽  
Antimicrobial Effectiveness ◽  
Close Parallel

Heavy suspensions of Aerobacter aeroqenes were used to measure the adsorption of sodium benzoate and of p-hydroxybenzoic acid and its methyl, ethyl, propyl, and butyl esters. It was found that the adsorbability of the esters increased logarithmically with increasing chain length of the ester group. Surface activity also increased logarithmically with chain length. A close parallel was observed between the adsorption of the compounds and their antimicrobial effectiveness found by earlier workers.

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