Preparation and properties of poly(2,2-dialkyltrimethylene sulphones)
β Scribed by Robert Cook; Eric Schweitzer; Alan Shuldiner; Cynthia Market; William Felmy
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 215 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0032-3861
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## Abstract A series of crossβlinked sulphonated poly(sulphide sulphone) (SPSSF) membranes have been prepared __via__ a polyphosphoricβacidβcatalysed condensation reaction at 180βΒ°C for a period of time (1.5β5.0βh) and the resulting crossβlinking bonds are the highly stable sulphonyl groups. The cr
Xerogels comprising 2-acrylamido-2-methylpropane sulphonic acid (AMPS) and acrylic acid as well as AMPS and acrylamide crosslinked with hexafunctional crosslinking agent have been prepared by catalytic initiation polymerization to complete conversion. Different percentages of hexafunctional crosslin