Synthesis and aqueous phase behaviour of homo- and copolymers of 1,1-diallyl-4-formylpiperazinium chloride
β Scribed by Sk. Asrof Ali; S. Zaka Ahmed; M.I.M. Wazeer; Esam Z. Hamad
- Book ID
- 104164577
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 944 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0032-3861
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β¦ Synopsis
The quaternary ammonium salt, l ,l-diallyl-4-formylpiperazinium chloride (3) on cyclopolymerization in water solution in the presence of t-butylhydroperoxide gave water soluble polymer ( 5). The copolymers of (3) with sulfur dioxide have been prepared in DMSO solvent using ammonium persulfate as the initiator. The composition and phase diagram of the aqueous two-phase systems of the homopolymer (5) and copolymer ( 8) has been studied for the first time for this class of polymers. Synthesis of the polymer (8) paves the way for the preparation of a new class of polymers with a basic trivalent nitrogen as well as a quaternary nitrogen.
π SIMILAR VOLUMES
## Abstract Ethylene/1βhexene random copolymers with 1βhexene content in the range of 1β5 molβ%, synthesised in the presence of new heterogeneous catalyst systems based on bisβcarboxylato and βbisβchloroβcarboxylato titanium chelate complexes, have been characterised by FTIR microspectroscopy (FTIR