poly(oxyethylene)-poly(oxybutylene) copolymers
Micro- vs. macro-phase separation in binary blends of poly(styrene)-poly(isoprene) and poly(isoprene)-poly(ethylene oxide) diblock copolymers
... of poly(styrene)-hydrogenated poly(isoprene) ...a poly(styrene)-poly(isoprene) and a poly(isoprene)- poly(ethylene oxide) diblock ...
8
Syntheses of poly(l-lactide)-block-xylan butyrate-block-poly(l-lactide) triblock copolymers and their properties
... graft copolymers containing PLLA or poly(e-caprolactone) (PCL) [25, 39] have also been reported to exhibit extinction ...rings. Poly(e- caprolactone)-polybutadiene [19], poly styrene-PLLA [21] ...
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Application of poly(ethylene glycol)– distearoylphosphatidylethanolamine (PEG-DSPE) block copolymers and their derivatives as nanomaterials in drug delivery
... Abstract: Poly(ethylene glycol)–distearoylphosphatidylethanolamine (PEG-DSPE) block copolymers are biocompatible and amphiphilic polymers that can be widely utilized in the preparation of liposomes, ...
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Pentablock copolymers of pluronic F127 and modified poly(2-dimethyl amino)ethyl methacrylate for internalization mechanism and gene transfection studies
... cationic copolymers using atom transfer radical polymerization (ATRP) for gene delivery vectors: pluronic F127-poly(dimethylaminoethyl methacrylate) (PF127-pDMAEMA), pluronic F127-poly ...
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Mechanical, Thermal and Morphology Properties of Thermoplastic Polyurethane Copolymers Incorporating α,ω Dihydroxy [poly(propyleneoxide) poly (dimethylsiloxane) poly(propyleneoxide)] of Varying Poly(propyleneoxide) Molecular Weight
... TPU copolymers morphology micro- phase separation since the higher PPO oligomer had longer hydrophobic and hydrophilic group to well coope- rate MDI and hard ...siloxane-urethane copolymers started between ...
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Sorption and Transport of Acetone in Random Copolymers of Poly(ethylene terephthalate) and Poly(ethylene 2,6-naphthalate)
... films of varying PEN content, acetone diffusivity and solubility were determined at 35˚C and an acetone pressure of 5.4 cm Hg. The kinetics of acetone sorption in the copolymer films are well described by a Fickian ...
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Paclitaxel incorporated nanoparticles using block copolymers composed of poly(ethylene glycol)/poly(3 hydroxyoctanoate)
... Characterization of paclitaxel-incorporated nanoparticles Nanoparticles of PHO/PEG block copolymers were fab- ricated by nanoprecipitation-diafiltration method, i.e. block copolymer dissolved in solvent was ...
10
Synthesis and Characterization of Lactone Functional Macromonomers by End Group Deactivation and Their Use in Miktoarm Star Polymer
... star copolymers using “core-first” method by ring- opening (ROP) process using appropriate (co)polymers with poly(benzyl methacrylate) lacton functionalized and P(BMA-b-MMA-b-BMA) dual functionalized ...
14
Block copolymer electrolytes for fuel cells and secondary batteries, the small angle neutron scattering inputs
... non-fluorinated copolymers containing a partially sulfonated polystyrene block had been synthesized, such as sulfonated poly(styrene-b-[ethylene-co-butylene]-b-styrene),[32-37] sulfonated ...
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Visual tracing of diffusion and biodistribution for amphiphilic cationic nanoparticles using photoacoustic imaging after ex vivo intravitreal injections
... triblock copolymers of monomethoxy poly(ethylene glycol)– poly(ε-caprolactone)–polyethylenimine were synthesized with different structures of hydrophilic and hydrophobic segments, followed by ...
8
Advances in refunctionalization of erythrocyte-based nanomedicine for enhancing cancer-targeted drug delivery
... of poly(lactic-co-glycolic acid) (PLGA) nanoparticles, elastomeric copolymers that possess excellent properties, including biodegradability and biocompatibility, FDA approvals, and simple-synthesized ...
16
Effects of copolymer component on the properties of phosphorylcholine micelles
... zwitterionic copolymers, poly(ε-caprolactone)-b-poly(2-methacryloyloxyethyl phosphorylcholine) with disulfide (PCL-ss-PMPC) or poly(ε-caprolactone)-b-poly(2-methacryloyloxyethyl ...
14
Synthesis of Diblock copolymer poly-3-hydroxybutyrate -block-poly-3-hydroxyhexanoate [PHB-b-PHHx] by a β-oxidation weakened Pseudomonas putida KT2442
... [15,16]. Poly- 3-hydroxybutyrate (PHB), a scl PHA, has high crystalline nature with a low elongation to break and excessive brittle- ness ...Random copolymers of scl-mcl PHA such as ...
11
Preparation and Swelling Behavior of L Lactide Interpenetrating Networks
... due to the loss of enthalpy associated with the loss of ring strain as oxiranes, lactones, lactams, and lactide [1] [2] [3] [4]. ROP is important to produce some industrial poly- mers like polyethylene oxide and ...
16
NEW ADVANCEMENTS OF BIOPLASTICS IN MEDICAL APPLICATIONS
... PCL, Poly lactic-co-glycolic acid (PLGA) and poly-hydroxyalkanoate (PHA) as well as their copolymers are use in the human- body for biomedical ...
15
Controlled Release of Antipyrine from Tablets Using Synthesized Copolymers as Matrices in Gastric Medium
... and copolymers synthesized: poly (VAc-co-MMA) and poly (VP-co-MMA) as matrices were ...as poly (vinyl acetate-co-methyl methacrylate) tablets, are activated by water, and drug release is ...
8
Surface Tension, Density and Viscosity Studies on the Associative Behaviour of Oxyethylene Oxybutylene Diblock Copolymers in Water at Different Temperatures
... distilled water and further diluted as required. For any new measurement, the copolymer solution was first equi- librated at lowest temperature and then surface tension, γ was measured for every fifteen minutes until ...
11
Encapsulation Efficiency and Release of Green Tea Polyphenols from Poly (Lactic Acid) - Poly (Ethylene Glycol) Nanoparticles are Controlled by the ratio of Poly (Lactic Acid) / Poly (Ethylene Glycol)
... Introduction: Despite several health benefits of green tea polyphenols (GTP), its use as a therapeutic agent has been constrained by instability, biotransformation and poor bioavailability. Objective: In our study, GTP ...
9
Functionalized Polymeric Membranes for CO2 Capture
... 27], and polymers of intrinsic microporosity (PIMs) [35, 39] or as crystalline polymers [47, 48]. For membrane-based gas separation, solution-processable, amorphous MOPs are required for practical membrane fabrication ...
7
Development and applications of polyglyoxylate self-immolative polymers
... resolution mass spectrometry (HRMS) was performed with either a Thermo Scientific DFS (Double Focus Sector) mass spectrometer, using a reversed Nier Johnson geometry for electron impact (EI) ionization, or a Bruker ...
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