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chitosan-g-poly acrylamide bahamas

  • Preparation of a novel chitosan-g-poly(acrylamide)/Zn ...

    Chitosan-g-poly(acrylamide)/Zn (CPA-Zn) nanocomposite was synthesized using simple method in the presence of microwave radiations. CPA-Zn nanocomposite was characterized by various analytical techniques. CPA-Zn nanocomposite was used for controlled drug delivery of ofloxacin. The maximum drug releas …

    Get Price
  • Preparation of

    Superabsorbent composites based on chitosan‐g‐poly(acrylamide) and montorillonite (CTS‐g‐PAAm/MMT) were synthesized through in situ radical polymerization by grafting of crosslinked acrylamide onto chitosan backbone in presence of MMT at different contents. The formation of the grafted network was confirmed by attenuated total reflectance Fourier …

    Get Price
  • UV-induced synthesis of chitosan-g-polyacrylamide semi

    2011-10-4u2002·u2002Superabsorbent hydrogels of chitosan-g-polyacrylamide with N,N′-methylene-bis-acrylamide as a crosslinker were prepared via UV irradiation in the absence of photoinitiator under homogeneous conditions.The product was characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, and scanning electron microscopy to confirm …

    Get Price
  • Photocatalytic degradation of highly toxic dyes using ...

    2016-10-1u2002·u2002Synthesis of chitosan-g-poly(acrylamide)/ZnS (ChPA/ZS) nanocomposite. ChPA/ZS nanocomposite was prepared in microwave reactor under microwave radiations. 2 g of chitosan was dissolved in 1% acetic acid solution and was added drop wise into (0.1 M) acrylamide solution with constant stirring. Then zinc sulfide particles were added into the above ...

    Get Price
  • Synthesis of magnetic carboxymethyl chitosan-g-poly ...

    2015-5-29u2002·u2002This investigation reports the synthesis of magnetic nanocomposite hydrogels based on carboxymethyl chitosan-g-poly(acrylamide) (CMC-g-PAAm). The magnetic nanoparticles were prepared via in situ co-precipitation of iron salts in the presence of laponite RD nanoclay. Different contents of magnetic nanoclay were utilized to prepare magnetic CMC-g-PAAm …

    Get Price
  • Preparation and properties of quaternary ammonium

    2017-2-1u2002·u2002Quaternary ammonium chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels were successfully synthesized from acrylic acid (AA), acrylamide (AM) and quaternary ammonium chitosan with high substitution degree.They were prepared using potassium persulfate (KPS) as an initiator and N,N′-methylenebisacrylamide (MBA) as a crosslinker …

    Get Price
  • Synthesis of superabsorbent polymers based on chitosan ...

    A new kind of eco-friendly superabsorbent polymer was successfully synthesized using (2-pyridyl) acetyl chitosan chloride (PACS), acrylic acid (AA) and acrylamide (AM) in aqueous solution by a free radical polymerization. The effect of different reaction conditions, such as …

    Get Price
  • Synthesis of regioselective chitosan copolymers with β ...

    2020-4-20u2002·u2002Chitosan-g-β-cyclodextrin and chitosan-g-poly(N-isopropyl acrylamide) copolymers were synthesized in a regioselective way. On the one hand, the former copolymer was synthesized by linking β-cyclodextrin monoaldehyde with the amino groups of chitosan by Schiff base formation/N-alkylation at C2 position.

    Get Price
  • Synthesis, characterization and absorption study of ...

    2020-4-9u2002·u2002Materials. High molecular weight chitosan (MW = 2.3 × 10 6 g/mol, the degree of deacetylation 86%) was obtained from local producer Yakhte Nano Shimi, Iran, and was used without further purification in polymerization reaction. Acrylamide (AA, Merck), itaconic acid (IA Merck), ammonium persulfate (APS, Merck) and N, N′-methylenebisacrylamide (MBA, Merck) …

    Get Price
  • Enhancing the porous structure of swellable poly(acrylic ...

    2021-1-1u2002·u2002As shown in Scheme 1, N-Maleyl chitosan (N-MACH) crosslinker was prepared through the reaction between maleic anhydride and the amine groups of chitosan [].Specifically, 10 mL acetone solution containing 2.4 g maleic anhydride was added dropwise into 100 mL of chitosan solution (chitosan solution is 2 g of chitosan dissolved into 100 ml of aqua 2% acetic acid (V/V)).

    Get Price
  • Preparation of a novel chitosan-g-poly(acrylamide)/Zn ...

    Chitosan-g-poly(acrylamide)/Zn (CPA-Zn) nanocomposite was synthesized using simple method in the presence of microwave radiations. CPA-Zn nanocomposite was characterized by various analytical techniques. CPA-Zn nanocomposite was used for controlled drug delivery of ofloxacin. The maximum drug releas …

    Get Price
  • Preparation of

    Superabsorbent composites based on chitosan‐g‐poly(acrylamide) and montorillonite (CTS‐g‐PAAm/MMT) were synthesized through in situ radical polymerization by grafting of crosslinked acrylamide onto chitosan backbone in presence of MMT at different contents. The formation of the grafted network was confirmed by attenuated total reflectance Fourier …

    Get Price
  • UV-induced synthesis of chitosan-g-polyacrylamide semi

    2011-10-4u2002·u2002Superabsorbent hydrogels of chitosan-g-polyacrylamide with N,N′-methylene-bis-acrylamide as a crosslinker were prepared via UV irradiation in the absence of photoinitiator under homogeneous conditions.The product was characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, and scanning electron microscopy to confirm …

    Get Price
  • Photocatalytic degradation of highly toxic dyes using ...

    2016-10-1u2002·u2002Synthesis of chitosan-g-poly(acrylamide)/ZnS (ChPA/ZS) nanocomposite. ChPA/ZS nanocomposite was prepared in microwave reactor under microwave radiations. 2 g of chitosan was dissolved in 1% acetic acid solution and was added drop wise into (0.1 M) acrylamide solution with constant stirring. Then zinc sulfide particles were added into the above ...

    Get Price
  • Synthesis of magnetic carboxymethyl chitosan-g-poly ...

    2015-5-29u2002·u2002This investigation reports the synthesis of magnetic nanocomposite hydrogels based on carboxymethyl chitosan-g-poly(acrylamide) (CMC-g-PAAm). The magnetic nanoparticles were prepared via in situ co-precipitation of iron salts in the presence of laponite RD nanoclay. Different contents of magnetic nanoclay were utilized to prepare magnetic CMC-g-PAAm …

    Get Price
  • Preparation and properties of quaternary ammonium

    2017-2-1u2002·u2002Quaternary ammonium chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels were successfully synthesized from acrylic acid (AA), acrylamide (AM) and quaternary ammonium chitosan with high substitution degree.They were prepared using potassium persulfate (KPS) as an initiator and N,N′-methylenebisacrylamide (MBA) as a crosslinker respectively.

    Get Price
  • Synthesis of superabsorbent polymers based on chitosan ...

    A new kind of eco-friendly superabsorbent polymer was successfully synthesized using (2-pyridyl) acetyl chitosan chloride (PACS), acrylic acid (AA) and acrylamide (AM) in aqueous solution by a free radical polymerization. The effect of different reaction conditions, such …

    Get Price
  • Synthesis of regioselective chitosan copolymers with β ...

    2020-4-20u2002·u2002Chitosan-g-β-cyclodextrin and chitosan-g-poly(N-isopropyl acrylamide) copolymers were synthesized in a regioselective way. On the one hand, the former copolymer was synthesized by linking β-cyclodextrin monoaldehyde with the amino groups of chitosan by Schiff base formation/N-alkylation at C2 position.

    Get Price
  • Synthesis, characterization and absorption study of ...

    2020-4-9u2002·u2002Materials. High molecular weight chitosan (MW = 2.3 × 10 6 g/mol, the degree of deacetylation 86%) was obtained from local producer Yakhte Nano Shimi, Iran, and was used without further purification in polymerization reaction. Acrylamide (AA, Merck), itaconic acid (IA Merck), ammonium persulfate (APS, Merck) and N, N′-methylenebisacrylamide (MBA, Merck) …

    Get Price
  • Enhancing the porous structure of swellable poly(acrylic ...

    2021-1-1u2002·u2002As shown in Scheme 1, N-Maleyl chitosan (N-MACH) crosslinker was prepared through the reaction between maleic anhydride and the amine groups of chitosan [].Specifically, 10 mL acetone solution containing 2.4 g maleic anhydride was added dropwise into 100 mL of chitosan solution (chitosan solution is 2 g of chitosan dissolved into 100 ml of aqua 2% acetic acid (V/V)).

    Get Price
  • Preparation of a novel chitosan-g-poly(acrylamide)/Zn ...

    Chitosan-g-poly(acrylamide)/Zn (CPA-Zn) nanocomposite was synthesized using simple method in the presence of microwave radiations. CPA-Zn nanocomposite was characterized by various analytical techniques. CPA-Zn nanocomposite was used for controlled drug delivery of ofloxacin. The maximum drug releas …

    Get Price
  • Preparation of

    Superabsorbent composites based on chitosan‐g‐poly(acrylamide) and montorillonite (CTS‐g‐PAAm/MMT) were synthesized through in situ radical polymerization by grafting of crosslinked acrylamide onto chitosan backbone in presence of MMT at different contents. The formation of the grafted network was confirmed by attenuated total reflectance Fourier …

    Get Price
  • UV-induced synthesis of chitosan-g-polyacrylamide semi

    2011-10-4u2002·u2002Superabsorbent hydrogels of chitosan-g-polyacrylamide with N,N′-methylene-bis-acrylamide as a crosslinker were prepared via UV irradiation in the absence of photoinitiator under homogeneous conditions.The product was characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, and scanning electron microscopy to confirm …

    Get Price
  • Photocatalytic degradation of highly toxic dyes using ...

    2016-10-1u2002·u2002Synthesis of chitosan-g-poly(acrylamide)/ZnS (ChPA/ZS) nanocomposite. ChPA/ZS nanocomposite was prepared in microwave reactor under microwave radiations. 2 g of chitosan was dissolved in 1% acetic acid solution and was added drop wise into (0.1 M) acrylamide solution with constant stirring. Then zinc sulfide particles were added into the above ...

    Get Price
  • Synthesis of magnetic carboxymethyl chitosan-g-poly ...

    2015-5-29u2002·u2002This investigation reports the synthesis of magnetic nanocomposite hydrogels based on carboxymethyl chitosan-g-poly(acrylamide) (CMC-g-PAAm). The magnetic nanoparticles were prepared via in situ co-precipitation of iron salts in the presence of laponite RD nanoclay. Different contents of magnetic nanoclay were utilized to prepare magnetic CMC-g-PAAm …

    Get Price
  • Preparation and properties of quaternary ammonium

    2017-2-1u2002·u2002Quaternary ammonium chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels were successfully synthesized from acrylic acid (AA), acrylamide (AM) and quaternary ammonium chitosan with high substitution degree.They were prepared using potassium persulfate (KPS) as an initiator and N,N′-methylenebisacrylamide (MBA) as a crosslinker …

    Get Price
  • Synthesis of superabsorbent polymers based on chitosan ...

    A new kind of eco-friendly superabsorbent polymer was successfully synthesized using (2-pyridyl) acetyl chitosan chloride (PACS), acrylic acid (AA) and acrylamide (AM) in aqueous solution by a free radical polymerization. The effect of different reaction conditions, such as …

    Get Price
  • Synthesis of regioselective chitosan copolymers with β ...

    2020-4-20u2002·u2002Chitosan-g-β-cyclodextrin and chitosan-g-poly(N-isopropyl acrylamide) copolymers were synthesized in a regioselective way. On the one hand, the former copolymer was synthesized by linking β-cyclodextrin monoaldehyde with the amino groups of chitosan by Schiff base formation/N-alkylation at C2 position.

    Get Price
  • Synthesis, characterization and absorption study of ...

    2020-4-9u2002·u2002Materials. High molecular weight chitosan (MW = 2.3 × 10 6 g/mol, the degree of deacetylation 86%) was obtained from local producer Yakhte Nano Shimi, Iran, and was used without further purification in polymerization reaction. Acrylamide (AA, Merck), itaconic acid (IA Merck), ammonium persulfate (APS, Merck) and N, N′-methylenebisacrylamide (MBA, Merck) …

    Get Price
  • Enhancing the porous structure of swellable poly(acrylic ...

    2021-1-1u2002·u2002As shown in Scheme 1, N-Maleyl chitosan (N-MACH) crosslinker was prepared through the reaction between maleic anhydride and the amine groups of chitosan [].Specifically, 10 mL acetone solution containing 2.4 g maleic anhydride was added dropwise into 100 mL of chitosan solution (chitosan solution is 2 g of chitosan dissolved into 100 ml of aqua 2% acetic acid (V/V)).

    Get Price
  • Preparation of a novel chitosan-g-poly(acrylamide)/Zn ...

    Chitosan-g-poly(acrylamide)/Zn (CPA-Zn) nanocomposite was synthesized using simple method in the presence of microwave radiations. CPA-Zn nanocomposite was characterized by various analytical techniques. CPA-Zn nanocomposite was used for controlled drug delivery of ofloxacin. The maximum drug releas …

    Get Price
  • Preparation of

    Superabsorbent composites based on chitosan‐g‐poly(acrylamide) and montorillonite (CTS‐g‐PAAm/MMT) were synthesized through in situ radical polymerization by grafting of crosslinked acrylamide onto chitosan backbone in presence of MMT at different contents. The formation of the grafted network was confirmed by attenuated total reflectance Fourier …

    Get Price
  • UV-induced synthesis of chitosan-g-polyacrylamide semi

    2011-10-4u2002·u2002Superabsorbent hydrogels of chitosan-g-polyacrylamide with N,N′-methylene-bis-acrylamide as a crosslinker were prepared via UV irradiation in the absence of photoinitiator under homogeneous conditions.The product was characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, and scanning electron microscopy to confirm …

    Get Price
  • Photocatalytic degradation of highly toxic dyes using ...

    2016-10-1u2002·u2002Synthesis of chitosan-g-poly(acrylamide)/ZnS (ChPA/ZS) nanocomposite. ChPA/ZS nanocomposite was prepared in microwave reactor under microwave radiations. 2 g of chitosan was dissolved in 1% acetic acid solution and was added drop wise into (0.1 M) acrylamide solution with constant stirring. Then zinc sulfide particles were added into the above ...

    Get Price
  • Synthesis of magnetic carboxymethyl chitosan-g-poly ...

    2015-5-29u2002·u2002This investigation reports the synthesis of magnetic nanocomposite hydrogels based on carboxymethyl chitosan-g-poly(acrylamide) (CMC-g-PAAm). The magnetic nanoparticles were prepared via in situ co-precipitation of iron salts in the presence of laponite RD nanoclay. Different contents of magnetic nanoclay were utilized to prepare magnetic CMC-g-PAAm …

    Get Price
  • Preparation and properties of quaternary ammonium

    2017-2-1u2002·u2002Quaternary ammonium chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels were successfully synthesized from acrylic acid (AA), acrylamide (AM) and quaternary ammonium chitosan with high substitution degree.They were prepared using potassium persulfate (KPS) as an initiator and N,N′-methylenebisacrylamide (MBA) as a crosslinker …

    Get Price
  • Synthesis of superabsorbent polymers based on chitosan ...

    A new kind of eco-friendly superabsorbent polymer was successfully synthesized using (2-pyridyl) acetyl chitosan chloride (PACS), acrylic acid (AA) and acrylamide (AM) in aqueous solution by a free radical polymerization. The effect of different reaction conditions, such as …

    Get Price
  • Synthesis of regioselective chitosan copolymers with β ...

    2020-4-20u2002·u2002Chitosan-g-β-cyclodextrin and chitosan-g-poly(N-isopropyl acrylamide) copolymers were synthesized in a regioselective way. On the one hand, the former copolymer was synthesized by linking β-cyclodextrin monoaldehyde with the amino groups of chitosan by Schiff base formation/N-alkylation at C2 position.

    Get Price
  • Synthesis, characterization and absorption study of ...

    2020-4-9u2002·u2002Materials. High molecular weight chitosan (MW = 2.3 × 10 6 g/mol, the degree of deacetylation 86%) was obtained from local producer Yakhte Nano Shimi, Iran, and was used without further purification in polymerization reaction. Acrylamide (AA, Merck), itaconic acid (IA Merck), ammonium persulfate (APS, Merck) and N, N′-methylenebisacrylamide (MBA, Merck) …

    Get Price
  • Enhancing the porous structure of swellable poly(acrylic ...

    2021-1-1u2002·u2002As shown in Scheme 1, N-Maleyl chitosan (N-MACH) crosslinker was prepared through the reaction between maleic anhydride and the amine groups of chitosan [].Specifically, 10 mL acetone solution containing 2.4 g maleic anhydride was added dropwise into 100 mL of chitosan solution (chitosan solution is 2 g of chitosan dissolved into 100 ml of aqua 2% acetic acid (V/V)).

    Get Price
  • Preparation of a novel chitosan-g-poly(acrylamide)/Zn ...

    Chitosan-g-poly(acrylamide)/Zn (CPA-Zn) nanocomposite was synthesized using simple method in the presence of microwave radiations. CPA-Zn nanocomposite was characterized by various analytical techniques. CPA-Zn nanocomposite was used for controlled drug delivery of ofloxacin. The maximum drug releas …

    Get Price
  • Preparation of

    Superabsorbent composites based on chitosan‐g‐poly(acrylamide) and montorillonite (CTS‐g‐PAAm/MMT) were synthesized through in situ radical polymerization by grafting of crosslinked acrylamide onto chitosan backbone in presence of MMT at different contents. The formation of the grafted network was confirmed by attenuated total reflectance Fourier …

    Get Price
  • UV-induced synthesis of chitosan-g-polyacrylamide semi

    2011-10-4u2002·u2002Superabsorbent hydrogels of chitosan-g-polyacrylamide with N,N′-methylene-bis-acrylamide as a crosslinker were prepared via UV irradiation in the absence of photoinitiator under homogeneous conditions.The product was characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, and scanning electron microscopy to confirm …

    Get Price
  • Photocatalytic degradation of highly toxic dyes using ...

    2016-10-1u2002·u2002Synthesis of chitosan-g-poly(acrylamide)/ZnS (ChPA/ZS) nanocomposite. ChPA/ZS nanocomposite was prepared in microwave reactor under microwave radiations. 2 g of chitosan was dissolved in 1% acetic acid solution and was added drop wise into (0.1 M) acrylamide solution with constant stirring. Then zinc sulfide particles were added into the above ...

    Get Price
  • Synthesis of magnetic carboxymethyl chitosan-g-poly ...

    2015-5-29u2002·u2002This investigation reports the synthesis of magnetic nanocomposite hydrogels based on carboxymethyl chitosan-g-poly(acrylamide) (CMC-g-PAAm). The magnetic nanoparticles were prepared via in situ co-precipitation of iron salts in the presence of laponite RD nanoclay. Different contents of magnetic nanoclay were utilized to prepare magnetic CMC-g-PAAm …

    Get Price
  • Preparation and properties of quaternary ammonium

    2017-2-1u2002·u2002Quaternary ammonium chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels were successfully synthesized from acrylic acid (AA), acrylamide (AM) and quaternary ammonium chitosan with high substitution degree.They were prepared using potassium persulfate (KPS) as an initiator and N,N′-methylenebisacrylamide (MBA) as a crosslinker …

    Get Price
  • Synthesis of superabsorbent polymers based on chitosan ...

    A new kind of eco-friendly superabsorbent polymer was successfully synthesized using (2-pyridyl) acetyl chitosan chloride (PACS), acrylic acid (AA) and acrylamide (AM) in aqueous solution by a free radical polymerization. The effect of different reaction conditions, such as …

    Get Price
  • Synthesis of regioselective chitosan copolymers with β ...

    2020-4-20u2002·u2002Chitosan-g-β-cyclodextrin and chitosan-g-poly(N-isopropyl acrylamide) copolymers were synthesized in a regioselective way. On the one hand, the former copolymer was synthesized by linking β-cyclodextrin monoaldehyde with the amino groups of chitosan by Schiff base formation/N-alkylation at C2 position.

    Get Price
  • Synthesis, characterization and absorption study of ...

    2020-4-9u2002·u2002Materials. High molecular weight chitosan (MW = 2.3 × 10 6 g/mol, the degree of deacetylation 86%) was obtained from local producer Yakhte Nano Shimi, Iran, and was used without further purification in polymerization reaction. Acrylamide (AA, Merck), itaconic acid (IA Merck), ammonium persulfate (APS, Merck) and N, N′-methylenebisacrylamide (MBA, Merck) …

    Get Price
  • Enhancing the porous structure of swellable poly(acrylic ...

    2021-1-1u2002·u2002As shown in Scheme 1, N-Maleyl chitosan (N-MACH) crosslinker was prepared through the reaction between maleic anhydride and the amine groups of chitosan [].Specifically, 10 mL acetone solution containing 2.4 g maleic anhydride was added dropwise into 100 mL of chitosan solution (chitosan solution is 2 g of chitosan dissolved into 100 ml of aqua 2% acetic acid (V/V)).

    Get Price
  • Preparation of a novel chitosan-g-poly(acrylamide)/Zn ...

    Chitosan-g-poly(acrylamide)/Zn (CPA-Zn) nanocomposite was synthesized using simple method in the presence of microwave radiations. CPA-Zn nanocomposite was characterized by various analytical techniques. CPA-Zn nanocomposite was used for controlled drug delivery of ofloxacin. The maximum drug releas …

    Get Price
  • Preparation of chitosan‐g‐poly(acrylamide)/montmorillonite ...

    Superabsorbent composites based on chitosan‐g‐poly(acrylamide) and montorillonite (CTS‐g‐PAAm/MMT) were synthesized through in situ radical polymerization by grafting of crosslinked acrylamide onto chitosan backbone in presence of MMT at different contents. The formation of the grafted network was confirmed by attenuated total reflectance Fourier …

    Get Price
  • UV-induced synthesis of chitosan-g-polyacrylamide semi-IPN ...

    2011-10-4u2002·u2002Superabsorbent hydrogels of chitosan-g-polyacrylamide with N,N′-methylene-bis-acrylamide as a crosslinker were prepared via UV irradiation in the absence of photoinitiator under homogeneous conditions.The product was characterized by Fourier transform infrared spectroscopy, differential scanning calorimetry, and scanning electron microscopy to confirm the …

    Get Price
  • Photocatalytic degradation of highly toxic dyes using ...

    2016-10-1u2002·u2002Synthesis of chitosan-g-poly(acrylamide)/ZnS (ChPA/ZS) nanocomposite. ChPA/ZS nanocomposite was prepared in microwave reactor under microwave radiations. 2 g of chitosan was dissolved in 1% acetic acid solution and was added drop wise into (0.1 M) acrylamide solution with constant stirring. Then zinc sulfide particles were added into the above ...

    Get Price
  • Synthesis of magnetic carboxymethyl chitosan-g-poly ...

    2015-5-29u2002·u2002This investigation reports the synthesis of magnetic nanocomposite hydrogels based on carboxymethyl chitosan-g-poly(acrylamide) (CMC-g-PAAm). The magnetic nanoparticles were prepared via in situ co-precipitation of iron salts in the presence of laponite RD nanoclay. Different contents of magnetic nanoclay were utilized to prepare magnetic CMC-g-PAAm …

    Get Price
  • Preparation and properties of quaternary ammonium chitosan ...

    2017-2-1u2002·u2002Quaternary ammonium chitosan-g-poly(acrylic acid-co-acrylamide) superabsorbent hydrogels were successfully synthesized from acrylic acid (AA), acrylamide (AM) and quaternary ammonium chitosan with high substitution degree.They were prepared using potassium persulfate (KPS) as an initiator and N,N′-methylenebisacrylamide (MBA) as a crosslinker respectively.

    Get Price
  • Synthesis of superabsorbent polymers based on chitosan ...

    A new kind of eco-friendly superabsorbent polymer was successfully synthesized using (2-pyridyl) acetyl chitosan chloride (PACS), acrylic acid (AA) and acrylamide (AM) in aqueous solution by a free radical polymerization. The effect of different reaction conditions, such as the initiator content, cr …

    Get Price
  • Synthesis of regioselective chitosan copolymers with β ...

    2020-4-20u2002·u2002Chitosan-g-β-cyclodextrin and chitosan-g-poly(N-isopropyl acrylamide) copolymers were synthesized in a regioselective way. On the one hand, the former copolymer was synthesized by linking β-cyclodextrin monoaldehyde with the amino groups of chitosan by Schiff base formation/N-alkylation at C2 position.

    Get Price
  • Synthesis, characterization and absorption study of ...

    2020-4-9u2002·u2002Materials. High molecular weight chitosan (MW = 2.3 × 10 6 g/mol, the degree of deacetylation 86%) was obtained from local producer Yakhte Nano Shimi, Iran, and was used without further purification in polymerization reaction. Acrylamide (AA, Merck), itaconic acid (IA Merck), ammonium persulfate (APS, Merck) and N, N′-methylenebisacrylamide (MBA, Merck) …

    Get Price
  • Enhancing the porous structure of swellable poly(acrylic ...

    2021-1-1u2002·u2002As shown in Scheme 1, N-Maleyl chitosan (N-MACH) crosslinker was prepared through the reaction between maleic anhydride and the amine groups of chitosan [].Specifically, 10 mL acetone solution containing 2.4 g maleic anhydride was added dropwise into 100 mL of chitosan solution (chitosan solution is 2 g of chitosan dissolved into 100 ml of aqua 2% acetic acid (V/V)).

    Get Price