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The structure of poly(gamma-glutamic acid)/nanoclay hybrids compatibilized by alkylammonium surfactants
(2013-09-01)
Article.
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Article.
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Stoichiometric ionic complexes of bacterial poly(γ-glutamic acid) with the cationic N-octadecyl and N-docosyl-N,N,N-trimethylammonium surfactants were mixed with alkylammonium modified bentonite (Cloisite 30B) to generate ...
Cationic poly(butylene succinate) copolyesters
(2016-02-01)
Article.
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Article.
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The synthesis, characterization and comparative evaluation of properties of two series of cationic PBS copolyesters bearing respectively ammonium and tributylphosphonium side groups, are reported. The copolyesters with ...
High Tg bio-based aliphatic polyesters from bicyclic D-mannitol
(2013-03-11)
Article.
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Article.
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The carbohydrate-based diol 2,4:3,5-di-
O
-methylene-
D
-mannitol
(Manx) has been used to obtain aliphatic polyesters. Manx is a symmetric
bicyclic compound consisting of two fused 1,3-dioxane rings and bearing ...
Modification of properties of poly(butylene succinate) by copolymerization with tartaric acid-based monomers
(2014-12-01)
Article.
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Article.
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The two cyclic acetals, 2,3-di-O-methylene-l-threitol and dimethyl 2,3-di-O-methylene-l-threarate, were used for the synthesis of two series of PBS copolyesters differing in which unit, butylene or succinate, was replaced, ...
Carbohydrate-based polyurethanes: A comparative study of polymers made from isosorbide and 1,4-butanediol
(2012-01-15)
Article.
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Article.
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A set of linear polyurethanes containing
isosorbide units were synthesized by polymerization in solution from HDI and MDI diisocyanates and 1,4-butanediol(BD), isosorbide (Is) or diisosorbide diurethanes
(Is2HDI and ...
Copolyesters made from 1,4-butanediol, sebacic acid, and D-glucose by melt and enzymatic polycondensation
(2015-03-09)
Article.
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Article.
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Biotechnologically accessible 1,4-butanediol and vegetal oil-based diethyl sebacate were copolymerized with bicyclic acetalized d-glucose derivatives (Glux) by polycondensation both in the melt at high temperature and in ...
Biodegradable copolyesters of poly(hexamethylene terephthalate) containing bicyclic 2,4:3,5-di-O-methylene-D-glucarate units
(2014-11-01)
Article.
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Article.
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A set of copolyesters (PHTxGluxy) with compositions ranging between 90/10 and 50/50 in addition to the parent homopolyesters poly(hexamethylene terephthalate) (PHT) and PHGlux, are prepared by the melt polycondensation of ...
Carbohydrate-based polyesters made from bicyclic acetalized galactaric acid
(2011-07-11)
Article.
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Article.
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The dimethyl ester of 2,3:4,5-di-O-methylene-galactaric acid (Galx) was made to react in the melt with 1,n-alkanediols HO(CH2)nOH
containing even numbers of methylenes (n from 6 to 12) to produce linear polycyclic polyesters. ...
Poly(ethylene terephthalate) terpolyesters containing 1,4-cyclohexanedimethanol and isosorbide
(2012-02-01)
Article.
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Article.
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A series of poly(ethylene terephthalate) terpolyesters containing varying amounts of both 1,4-cyclohexylenedimethylene and isosorbide units were prepared by melt phase polycondensation. These terpolymers were obtained with ...
Poly(butylene succinate) ionomers and their use as compatibilizers in nanocomposites
(2016-09-01)
Article.
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Article.
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A series of low-molecular-weight poly(butylene succinate-co-glutarate-co-2-trimethylammonium chloride glutarate) terpolyester ionomers containing 35% mol of total glutarate units but varying in the content of charged units ...