graft copolymer
Formulation, Solid State Characterization and Enhancement of Dissolution Rate of Olmesartan Medoxomil by Polyvinyl Alcohol-Polyethylene Glycol Graft Copolymer Based Nanoparticles
... Glycol Graft Copolymer (Kolicoat IR), characterize prepared par- ticles for drug content uniformity, scanning electron microscopy, particle size distribution by (dynamic light scattering),zeta potential, ...
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Synthesis of Polyaspartic Acid/Chitosan Graft Copolymer and Evaluation of Its Scale Inhibition and Corrosion Inhibition Performance
... The copolymer scale inhibitor modification with chitosan is a novel scale ...the graft polymerization of vinyl monomers such as acrylic acid, methyl methacrylate, acrylonitrile, vinylacetate onto chitosan ...
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Synthesis and Characterization of Psyllium Graft Copolymer of N-vinyl 2-pyrollidone with Microwave Irradiation
... Graft copolymerization of NVP onto psyllium was carried out by irradiation of reaction mixture in a domestic microwave oven in a flask; reaction was repeated in different monomer concentration, microwave power, ...
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Cyclic graft copolymer unimolecular micelles : effects of cyclization on particle morphology and thermoresponsive behavior
... cyclic graft copolymer P6, the best fi t was observed for a linear summation of a uniform cylindrical micelle model and a model for polymeric chains in a good solvent (Polydisperse Gaussian ...cyclic ...
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Antimicrobial graft copolymer gels
... PMPC-based graft copolymers comprising PHPMA side chains ...diblock copolymer comprising a PMPC stabilizer block and a hydrophobic core-forming PHPMA block did not exhibit any antimicrobial activity, ...
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PREPARATION AND CHARACTERIZATION OF GRAFT COPOLYMER OF BUTYL ACRYLATE ON CELLULOSE NANO CRYSTALS (CNCs) FROM BANANA FIBER
... the graft copolymer referred to as the backbone polymer of a long sequence of one monomer (main chain) with one or more branches (grafts) of long sequences of a different ...The graft ...
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Preparation of an antibacterial poly(ionic liquid) graft copolymer of hydroxyethyl cellulose
... decreased graft density reduced the antibacterial ...using graft copolymers with shorter chains and one plausible explanation could be the accessibility of the cationic charges which disrupt the cell wall ...
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Graft Copolymer (Guar Gum-G-Poly 2-Acrylamidoglycolic Acid): Synthesis, Swelling and Flocculation Behaviors
... of graft copolymer and shifting of -OH stretching vibration appeared in the spectrum of guar gum from the spectrum of guar gum -g-2-acrylamidoglycolic acid showed that grafting might have taken place on OH ...
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Synthesis and Characterization of Carboxymethylcellulose Graft Copolymer by Free Radical Polymerization
... continuously in the reaction mixture for two and half hours. After completion of the reaction solution was cooled down and then poured into Methanol(40 mL) and grafted CMC precipitates out, which on further dried and ...
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Antimicrobial Graft Copolymer Gels.
... PMPC-based graft copolymers comprising PHPMA side chains ...diblock copolymer comprising a PMPC stabilizer block and a hydrophobic core-forming PHPMA block did not exhibit any antimicrobial activity, ...
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Folic acid conjugated pullulan/poly(DL lactide co glycolide) graft copolymer nanoparticles for folate receptor mediated drug delivery
... of copolymer concentration, in- dicating that the self-assembly of the copolymer was formed in water, and then, pyrene was preferentially parti- tioned into the core of the nanoparticles (Figure ...of ...
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Synthesis of Temperature and pH Sensitive Graft Copolymer Containing 2 (Diethylamino)ethyl Methacrylate and N Vinylcaprolactam onto Silicone Rubber
... For a 50% monomer concentration, the grafting yield of poly NVCL onto SR films is depicted in Figure 2, where it can be observed that there is an increase in grafting percentage as the i[r] ...
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Protected Graft Copolymer (PGC) in Imaging and Therapy: A Platform for the Delivery of Covalently and Non-Covalently Bound Drugs
... protected graft copolymers (PGC) is based on a conjugate of polylysine backbone to which methoxypoly(ethylene glycol) (MPEG) chains are covalently linked in a random fasion via N--amino ...
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Amphiphilic graft copolymer based on poly(styrene-co-maleic anhydride) with low molecular weight polyethylenimine for efficient gene delivery
... comb-shaped copolymer was synthesized by graft- ing PEI 800 onto SMA (Scheme 1), which involved the reaction of cyclic anhydride and primary amine to generate amido acid functionalities in the linking ...
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Synthesis of Chitosan-Graft- HPβCD Copolymer by Novel One Pot Technique and its application for Solubility Enhancement of Efavirenz
... in graft copolymer (1:1, 1:2, 1:3, 1:4) solubility of EFV was also ...Also, copolymer offers more cup like structure through conjugation of HPβCD with ...
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DETERMINATION OF ANTIOXIDANT CAPACITY OF NOVEL CHITOSAN OLIGOSACCHARIDE GRAFT MALEIC ANHYDRIDE(COS G MAH) /POLYVINYL ALCOHOL (PVA)/SILK FIBROIN (SF) COMPOSITE
... About 5 g of chitosan oligosaccharide was dissolved in 30 mL of water and stirred well to form a homogeneous solution. 2.5 g of maleic anhydride monomer dissolved in 30 mL of water was then added to the above prepared ...
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Synthesis and Characterization of Bioactive Amphiphilic Graft Copolymers with Hydrophilic Poly (1, 3-Dioxolane) Side Chains
... The graft copolymer of poly (1, 3dioxolan)- g-MAA were prepared by radical ...Amphiphilic graft copolymers containing hydrophobic poly (2-hydroxypropylmethacrylate) backbone and hydrophilic poly (1, ...
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`EFFECTS OF GUM ARABIC ON THE RHEOLOGICAL PROPERTIES OF POLYACYLAMIDE
... Graft copolymer of Polyacrylamide/Gum Arabic has been successfully synthesized with the aim of modifying the mechanical and rheological properties of ...The graft copolymer was characterized ...
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Maximizing Graft-ability of Poly Methacrylamide Grafted Pregelled Starch Copolymer via Microwave Initiation Method: Synthesis and Characterization
... percent graft yield. The resultant microwave synthesized graft copolymer was characterized using fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) in addition to ...
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Role of covalent bond formation in morphology and properties of PP/PP-g-PS binary blends
... the graft copolymers at a frequency of 1 ...of graft copolymers are higher than that of PP in the range of ...of graft copolymers is higher than that of neat ...the graft copolymer ...
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