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Volumn 32, Issue 13, 1999, Pages 4482-4484

Synthesis of star-shaped polystyrene by atom transfer radical polymerization using an 'arm first' approach

Author keywords

[No Author keywords available]

Indexed keywords

AROMATIC POLYMERS; BLOCK COPOLYMERS; CHEMICAL ACTIVATION; CHEMICAL BONDS; COPPER COMPOUNDS; FREE RADICAL POLYMERIZATION; FREE RADICALS; MOLECULAR WEIGHT; POLYMERIZATION; SYNTHESIS (CHEMICAL);

EID: 0032640544     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma9900378     Document Type: Article
Times cited : (296)

References (21)
  • 18
    • 0345252434 scopus 로고    scopus 로고
    • note
    • In a typical experiment, a dry round-bottom flask with a magnetic stir bar was charged with CuBr (0.13 g, 0.94 mmol), 2,2′-bipyridine (0.44 g, 2.8 mmol), styrene (10 mL, 0.087 mol), and diphenyl ether (10 mL). The flask was fitted with a rubber septum and degassed by three freeze-pump-thaw cycles. The flask was then immersed in an oil bath thermostated at 110°C. The polymerization was initiated by the addition of degassed 1-phenylethyl bromide (0.13 mL, 0.94 mmol). After 6.5 h, the polystyrene macroinitiator was obtained by precipitation into methanol.
  • 20
    • 0345252435 scopus 로고    scopus 로고
    • note
    • In a typical experiment, a dry glass tube with a magnetic stir bar was charged with CuBr (10.0 mg, 0.07 mmol), ligand (0.07 or 0.14 mmol), polystyrene macroinitiator (0.2 g, 0.06 mmol), DVB, and anisole (∼1 mL). The glass tube was degassed by three freeze-pump-thaw cycles and sealed under vacuum. The glass tube was then immersed in an oil bath thermostated at 110°C. After a certain time, the glass tube was taken out and broken. The sample was dissolved in THF to measure conversion (GC) and molecular weight (SEC).


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.