Photosensitivity of Functional Polystyrene and Poly(methyl methacrylate) Synthesized by Controlled Radical Polymerization

2003 ◽  
Vol 36 (15) ◽  
pp. 5482-5490 ◽  
Author(s):  
Suk Hang Chan ◽  
Lillian Sze Man Lam ◽  
Chui Wan Tse ◽  
Ka Yan Kitty Man ◽  
Wing Tak Wong ◽  
...  
Keyword(s):  
Methyl Methacrylate ◽  
Radical Polymerization ◽  
Controlled Radical Polymerization ◽  
Poly Methyl Methacrylate

Synthesis and thermal properties of triblock copolymers of methyl methacrylate using combination of anionic and controlled radical polymerization: Poly(methyl methacrylate) center block bearing different microstructures

e-Polymers ◽  
2012 ◽  
Vol 12 (1) ◽  
Author(s):  
Zhengji Song ◽  
Carole Pelletier ◽  
Yinghua Qi ◽  
Jasim Ahmed ◽  
Sunil K. Varshney ◽  
...  
Keyword(s):  
Molecular Weight ◽  
Thermal Properties ◽  
Block Copolymers ◽  
Methyl Methacrylate ◽  
Radical Polymerization ◽  
Triblock Copolymers ◽  
Controlled Radical Polymerization ◽  
Alkyl Methacrylate ◽  
Poly Methyl Methacrylate ◽  
H Nmr

AbstractABA and/or ABC type triblock copolymers were synthesized by living anionic and controlled radical polymerization in which poly(methyl methacrylate) was used as central block. The structural composition of these block copolymers were determined by 1H NMR. The block length/molecular weight and microstructure of these polymers were measured by SEC. The microstructure of resultant central alkyl methacrylate block can be tailored from highly syndiotactic to highly isotactic structure by varying the solvent and/or initiator. The thermal and rheological properties of center poly(methyl methacrylate) block and poly(styreneb- methyl methacrylate-b- styrene) tri block copolymers were studied in detail.

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