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Graft copolymerization of acrylic acid onto polystyrene using the solid phase grafting technique

โœ Scribed by Srinivas Subramanian; Sunggyu Lee

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
151 KB
Volume
70
Category
Article
ISSN
0021-8995

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โœฆ Synopsis

Graft copolymerization of acrylic acid (AAc) onto polystyrene (PS) by the solid phase graft copolymerization technique was studied. Benzoyl peroxide (BPO) was used as the free radical initiator. Acrylic acid was introduced into the reactor as an aqueous solution. Optimum reaction conditions to obtain maximum grafting were evaluated. The variables studied were temperature, initiator concentration, monomer concentration, acrylic acid-to-water ratio, and reaction time. The graft copolymer was characterized by infrared (IR) spectroscopy, and the graft level was quantified by the IR absorbance ratio technique and titration.

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