## Abstract Friedel–Crafts self‐grafting of polystyrene (PSt) under quasiliving carbocationic polymerization was utilized to develop a new rapid one‐pot method for the preparation of star‐shaped polyisobutylene (PIB). First, the polymerization of isobutylene led to PIB with predetermined molecular
Synthetic methods for the preparation of polystyrene resins containing chiral polyamine chains
✍ Scribed by F.M. Adrian; B. Altava; M.I. Burguete; S.V. Luis; Rosa V. Salvador; E. García-España
- Publisher
- Elsevier Science
- Year
- 1998
- Tongue
- French
- Weight
- 392 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0040-4020
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📜 SIMILAR VOLUMES
An effiecient method for preparing B-hydroxy polystyrene resin is described. FriedeI-Crafts alkylation of polystyrene resin with propylene oxide in the presence of a Lewis acid catalyst affored 2-(1-methyl) hydroxyethyl polystyrene (PS-PO), Addition of ethylene oxides to the PS-PO in the presence of
Poly(methyl methacrylate-co-butadiene), Poly(butyl methacrylate-co-butadiene) and Poly(methyl methacrylate-co-2,3-dimethyl butadiene) latices (a.k.a. latexes) were prepared by monomer-starved emulsion polymerization. The polymerizations were followed by GPC. It was found that the molecular-weight di