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Biobased flexible aromatic polyester poly(1,5-pentylene terephthalate) (PPeT): Revisiting melt crystallization behaviors and thermo-mechanical properties.
Poly(1,5-pentylene terephthalate) (PPeT) is a less studied member of the family of terephthalic polyesters. The presence of flexible pentylene moiety and foreseeable commercialization of bio-based 1,5-pentanediol (PeDO) could make PPeT an attractive polymer. However, as a semi-crystalline flexible polyester, previous studies indicated that PPeT was hardly to crystallize nonisothermally from melt...
http://www.polymer.cnt//ss/wulinbo/publicationsshow_14064.html |
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Biobased poly(ethylene-co-hexamethylene 2,5-furandicarboxylate) (PEHF) copolyesters with superior tensile properties.
Poly(ethylene-co-hexamethylene 2,5-furandicarboxylate) (PEHF) copolyesters with high intrinsic viscosity were synthesized from 2,5-furandicarboxylic acid (FDCA), ethylene glycol (EG), and 1.6-hexanediol (HDO) through two-step melting polycondensation, characterized
with 1H NMR, DSC, WAXD, and TGA, and assessed by tensile and impact tests. The molar fraction of HF unit in PEHF (?HF), namely, c...
http://www.polymer.cnt//ss/wulinbo/publicationsshow_14059.html |
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Enhancement of Water Vapor Barrier Properties of Biodegradable Poly (butylene adipate-co-terephthalate) with Highly Oriented Organomontmorillonite
Low water vapor permeability is highly demanded for biodegradable packaging and agricultural film applications. However, biodegradable poly(butylene adipate-co-terephthalate) (PBAT) films demonstrate poor water vapor barrier properties. A series of nanocomposite (NC) films composed of organically modified montmorillonite (OMMT) dispersed at levels ranging from 0 to 13 wt % in PBAT were thus gene...
http://www.polymer.cnt//ss/wulinbo/publicationsshow_14056.html |
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Poly (L-lactide)/PEG-mb-PBAT Blends with Highly Improved Toughness and Balanced Performance.
PEG-mb-PBAT (EB, for simplicity) multiblock copolymers were synthesized via chain extension/coupling of poly (ethylene glycol) (PEG) and poly(butylene adipate-co-terephthalate) (PBAT) diols, and used as modifiers to prepare blends of commercial poly(L-lactide) (PLLA) and EB via melt blending. The EB copolymers were characterized by 1H NMR and DSC, and the PLLA70/EB30 blends were characterized by...
http://www.polymer.cnt//ss/wulinbo/publicationsshow_14055.html |
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Biodegradable and High-performance Poly (butylene adipate-co-terephthalate)-Lignin UV-blocking Films.
Renewable and biodegradable UV-blocking films are in high demand for the increasing need of sustainable environment. Lignin can offer significant UV absorption, but it deteriorates the mechanical properties of films at a high content. In this effort, biobased 10-undecenoic and oleic acids were successfully grafted on soda lignin via solvent- and catalyst-free processes, as confirmed by 31P and 1...
http://www.polymer.cnt//ss/wulinbo/publicationsshow_14053.html |
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Preparation, characterization and enhanced performance of functional crosslinked membranes using poly(vinyl alcohol) as macromolecular crosslinker for fuel cells
Functional cross-linked membranes based on sulfonated poly(arylene ether ketone sulfone) containing pendant carboxyl groups (C-SPAEKS) and poly(vinyl alcohol) (PVA) as macromolecular crosslinker were fabricated. The covalent cross-linking reaction was realized by thermal treatment between carboxyl and hydroxyl groups. The cross-linked membranes exhibited favorable thermal stability, good mechanica...
http://www.polymer.cnt//ss/xujingmei/publicationsshow_14028.html |
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A facile functionalized routine for the synthesis of side-chain sulfonated poly(arylene ether ketone sulfone) as proton exchange membranes
A series of side-chain type proton exchange membrane (PEM) based on sulfonated poly(arylene ether ketone sulfone) (S-SPAEKS) has been synthesized through a simple free radical reaction by grafting 2-acrylamido-2-methyl propane sulfonic acid (AMPS) onto the polymer main chain. The side-chain type membranes showed lower water absorption and swelling ratio than that of main-chain type membranes. S-...
http://www.polymer.cnt//ss/xujingmei/publicationsshow_14026.html |
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56. Fabrication of Polythiophene Patterns through Blending of a Thermally Curable Polythiophene with Poly(methyl methacrylate) and Selective Thermal Curation
In this study, we demonstrate a novel method for fabricating polythiophene patterns, i.e., cylindrical holes and cylinders, through blending of a thermallycurable polythiophene carrying with tertiary ester groups (PT-tert-ESTER) and poly(methyl methacrylate) (PMMA), followed by thermal conversion of the PT-tert-ESTER to an insoluble polythiophene via low-temperature cleavage of the tertiary ester ...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13949.html |
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44. Composite Films of Poly(3-hexylthiophene) Grafted Single-Walled Carbon Nanotubes for Electrochemical Detection of Metal Ions
In this study, we prepared electrochemically active films of poly(3-hexylthiophene) grafted single-walled carbon nanotubes (SWNT-g-P3HT) by using a modified vacuum-assisted deposition approach, in which a SWNT-g-P3HT composite layer of various thicknesses was deposited on the top of a thin SWNT layer. Measurement of the optical and electrical properties of the SWNT-g-P3HT composite films demonstra...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13937.html |
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42. A Dual-Fluorescent Composites of Graphene Oxide and Poly(3-hexylthiophene) Enable the Ratiometric Detection of Amines
A composite prepared by grafting a conjugated polymer, poly(3-hexylthiophene) (P3HT), to the surface of graphene oxide was shown to result in a dual-fluorescent material with tunable photoluminescent properties. Capitalizing on these unique features, a new class of graphene-based sensors that enables the ratiometric fluorescence detection of amine-based pollutants was developed. Moreover, through ...
http://www.polymer.cnt//ss/jianxingeng/publicationsshow_13935.html |
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