Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Jovanka Huguet"'
Autor:
Stéphane Alexandre, Véronique Dérue, Sergio Gomes-Ferreira, Jovanka Huguet, Jean-Marc Valleton
Publikováno v:
Langmuir. 15:7708-7713
A carboxymethyl pullulan with 1.4 carboxymethyl functions per anhydroglucose unit has been esterified with bromododecane. The number of dodecyl chains per anydroglucose unit calculated from elemental analysis is 1.15 ± 0.09. The partially esterified
Publikováno v:
Polymer International. 48:299-306
A procedure is described for the quantitative analysis of (Irganox 1076, Irganox 1010 and Tinuvin 327) in polypropylene matrices using on-line SFE/SFC. The effects of pressure, extraction time, type of matrix (particle or film) and matrix parameters
Publikováno v:
Thin Solid Films. 306:1-5
In order to design composite membranes which would be able to present a high selectivity to CO 2 , a novel amphiphile N -(2-aminoethyl) trans -9-octadecenamide was synthesized from trans -9-octadecenoic acid and ethylenediamine. Its structure was con
Publikováno v:
Makromolekulare Chemie. Macromolecular Symposia. 47:345-355
New functional aliphatic polyamides bearing pendant carboxylic acid and tertiary alcohol groups have been synthesized by step-growth polymerization of protected citric acid in the diacyl chloride activated form and protected L-lysine using the interf
Autor:
Michel Vert, Jovanka Huguet
Publikováno v:
European Polymer Journal. 12:469-475
Resume On decrit les spectres u.v., ORD et CD du ()poly[thio -(N-N- di e thyl aminom e thyl )-1 e thyl e ne (Ia) prepare par polymerisation stereoelective de la N-N- di e thyl -N-(thiiranyl -2 m e thyl )- amine rac e mique par le systeme ZnEt2-(
Publikováno v:
Polymer. 20:961-968
Stereoisomers of N-(sec-butyl)-N-methyl-N-((R,S)-thiirane 2-ylmethyl) amine ((S)-sec-butyl, optical purity O.P. ∼94% and (R)-sec-butyl, O.P. ∼26%) were polymerized using a chiral initiator system (1:1) ZnEt2R(-)3,3-dimethyl-1,2-butanediol (R(-)BM
Publikováno v:
Polymer Journal. 14:335-342
Investigation was made of the effects of counterion exchange at quaternary ammonium sites and of protonation of residual tertiary amine groups on ORD and CD of partially quaternized poly[-thio-1-(N-(S)-s-butyl-N-methylaminomethyl)ethylene]s in water
Publikováno v:
Polymer. 20:833-838
Poly[thio-1-( N , N -diethylaminomethyl) ethylene] [poly(TDAE)] of different optical purities were prepared by stereoelective polymerization of racemic N , N - diethyl - N -(thiirane-2-ylmethyl) amine (TDAE) using a (1:1) ZnEt 2 R (−) 3,3-dimethyl
Autor:
Michel Vert, Jovanka Huguet
Publikováno v:
Journal of Controlled Release. 6:159-166
A review is given of the particular physico-chemical properties of partially quaternized tertiary amine polybases of the poly[thio-1-(N-N-diethylaminomethyl)ethylene]-type (Q-P(TDAE)X). These bifunctional polybases exhibit a pH-induced globule-to-coi
Publikováno v:
European Polymer Journal. 10:261-266
Les monomeres (+) N-sec-butyl-N-methyl-N-(thiiranyl-2 methyl) amine (I) et (−) N-methyl-N-(phenyl-1 ethyl)-N-(thiiranyl-2 methyl) amine (II) sont synthetises a partir respectivement de la S-methyl-l propylamine et de la S-phenyl-1 ethylamine. Cette