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Optically active polymers, 2. Copolymerization of limonene with maleic anhydride

✍ Scribed by Jolanta Maślińska-Solich; Teobald Kupka; Mirosław Kluczka; Anton Solich

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
347 KB
Volume
195
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

Copolymerization of maleic anhydride (MA) and (R),(S)‐limonene (LIM) was studied in various solvents, using 2,2′‐azoisobutyronitrile (AIBN) and benzoyl peroxide (BPO) as initiators and radiation (^60^Co γ‐source) within the temperature range of 20–70°C. Regardless of conversion or initial comonomer feed ratios, the composition of LIM‐MA copolymers ranged from about 1 : 1 to 1 : 1,6 and was dependent on the reaction conditions, leading to a formation of materials with diverse solubilities, degrees of crosslinking and molecular weights. The main product consists of a 1 : 1 LIM‐MA copolymer with pendant 4‐methyl‐3‐cyclohexenyl residues. At higher conversion these alicyclic unsaturations lead to crosslinking. No reference to cyclocopolymerization was detected.

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