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Temperature and pH dual-responsive behavior of polyhedral oligomeric silsesquioxane-based star-block copolymer with poly(acrylic acid-block-N-isopropylacrylamide) as arms

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Temperature and pH dual-responsive behavior of polyhedral oligomeric silsesquioxane-based star-block copolymer with poly(acrylic acid-block-N-isopropylacrylamide) as arms
นักวิจัย : Bai, Yu , Wei, Jia , Yang, Liping , He, Chaobin , Lu, Xuehong
คำค้น : -
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2554
อ้างอิง : Bai, Y., Wei, J., Yang, L., He, C.,& Lu, X. (2012). Temperature and pH dual-responsive behavior of polyhedral oligomeric silsesquioxane-based star-block copolymer with poly(acrylic acid-block-N-isopropylacrylamide) as arms. Colloid and Polymer Science, 290(6), 507-515. , http://hdl.handle.net/10220/13089 , http://dx.doi.org/10.1007/s00396-011-2562-1
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Colloid and polymer science
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

Poly(acrylic acid-block-N-isopropylacrylamide) (PAAc-b-PNIPAm)-tethered octafunctional polyhedral oligomeric silsesquioxane (POSS) were synthesized via POSSinitialized atom transfer radical polymerization. When very short PAAc blocks are placed between the POSS core and PNIPAm short chains, the critical temperature (Tc) of POSSPAAc- b-PNIPAm determined by cloud point measurements varies in a wide temperature range with pH, and its Tc is even lower than that of POSS-PNIPAm with similar chain length at pH05.0, indicating a synergic effect between high local chain density and intramolecular interaction between PAAc and PNIPAm. When the PAAc blocks are relatively long, the pH response of POSS-PAAc-b- PNIPAm diminishes owing to the reduced local PNIPAm chain density.

บรรณานุกรม :
Bai, Yu , Wei, Jia , Yang, Liping , He, Chaobin , Lu, Xuehong . (2554). Temperature and pH dual-responsive behavior of polyhedral oligomeric silsesquioxane-based star-block copolymer with poly(acrylic acid-block-N-isopropylacrylamide) as arms.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Bai, Yu , Wei, Jia , Yang, Liping , He, Chaobin , Lu, Xuehong . 2554. "Temperature and pH dual-responsive behavior of polyhedral oligomeric silsesquioxane-based star-block copolymer with poly(acrylic acid-block-N-isopropylacrylamide) as arms".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Bai, Yu , Wei, Jia , Yang, Liping , He, Chaobin , Lu, Xuehong . "Temperature and pH dual-responsive behavior of polyhedral oligomeric silsesquioxane-based star-block copolymer with poly(acrylic acid-block-N-isopropylacrylamide) as arms."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2554. Print.
Bai, Yu , Wei, Jia , Yang, Liping , He, Chaobin , Lu, Xuehong . Temperature and pH dual-responsive behavior of polyhedral oligomeric silsesquioxane-based star-block copolymer with poly(acrylic acid-block-N-isopropylacrylamide) as arms. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2554.