DOI: 10.1002/macp.1989.021900608. New polymer syntheses, 36. Functionalized aromatic polyethers derived from 4′‐substituted 2,6‐difluorobenzophenones

New polymer syntheses, 36. Functionalized aromatic polyethers derived from 4′‐substituted 2,6‐difluorobenzophenones

10.1002/macp.1989.021900608

Crossref journal-article

Wiley

Die Makromolekulare Chemie (311)

Abstract

AbstractToluene, anisol, thioanisol, 4‐phenoxyacetophenone and N,N‐diacetyl‐4‐phenoxyaniline were subjected to a Friedel‐Crafts acylation with 2,6‐difluorobenzoyl chloride. The resulting 4′‐substituted 2,6‐difluorobenzophenones 1a–e were condensed with trimethyl silylated Bis‐phenol‐A (2) to yield homopolyethers with pendant functional groups. A series of copolyethers was analogously prepared by concondensation of 4′‐substituted 2,6‐difluorobenzophenones with a diphenol and 4,4′‐difluorobenzophenone (4a) or bis(4‐fluorophenyl) sulfone (4b), and another series by cocondensation of 2 with mixtures of 4′‐substituted 2,6‐difluorobenzophenones and 2,6‐difluorobenzonitrile (8) or 2,6‐difluoropyridine (9). All polyethers were characterized by inherent viscosities, elemental analyses and DSC‐measurements. In individual cases GPC‐measurements, thermomechanical and thermogravimetric analyses were conducted. The quantitative polymer‐analogous oxidation of methylthio groups into methylsulfinyl and finally into methylsulfonyl groups is demonstrated.

Bibliography

Kricheldorf, H. R., & Delius, U. (1989). New polymer syntheses, 36. Functionalized aromatic polyethers derived from 4â²âsubstituted 2,6âdifluorobenzophenones. Die Makromolekulare Chemie, 190(6), 1277â1288. Portico.

Authors 2

Hans R. Kricheldorf (first)
Ulrich Delius (additional)

References 15 Referenced 12

10.1002/pol.1967.150050916 / J. Polym. Sci., Part A by Johnson R. N. (1967)
10.1016/0032-3861(74)90111-6
10.1016/0032-3861(81)90299-8
{'key': 'e_1_2_1_4_2', 'first-page': '1020', 'volume': '77', 'author': 'Kopietz M.', 'year': '1987', 'journal-title': 'Kunststoffe'} / Kunststoffe by Kopietz M. (1987)
{'key': 'e_1_2_1_5_2', 'first-page': '613', 'volume': '77', 'author': 'Wolf M.', 'year': '1987', 'journal-title': 'Kunststoffe'} / Kunststoffe by Wolf M. (1987)
D. R.Lloyd L. E.Gerlowski C. D.Sunderland J. P.Wightman M.Igbal Y.Kang J. E.McGrath “Polyarylether Membranes for Reversal Osmosis” inACS Symposium Series “No 153 Synthetic Membranes” ed. byA. F.Turbak Vol.1 p.327(1981) (10.1021/bk-1981-0153.ch022)
J. E.Cadottein “Material Science of Synthetic Membranes” ed. byD. R.Lloyd ACS Symp. Series No. 269(1985)
10.1016/S0376-7388(00)85070-X
10.1002/app.1976.070200717
10.1002/pol.1984.170220320
10.1002/pol.1984.170220202
10.1002/pol.1985.170230426
10.1002/pol.1985.170230811
10.1016/0032-3861(87)90178-9
10.1002/marc.1989.030100109

Dates

Type	When
Created	22 years, 4 months ago (April 16, 2003, 6:34 a.m.)
Deposited	1 year, 10 months ago (Oct. 22, 2023, 9:39 a.m.)
Indexed	11 months, 1 week ago (Sept. 19, 2024, 10:55 a.m.)
Issued	36 years, 3 months ago (June 1, 1989)
Published	36 years, 3 months ago (June 1, 1989)
Published Online	22 years, 5 months ago (March 12, 2003)
Published Print	36 years, 3 months ago (June 1, 1989)

Funders 0

None

BibTeX

@article{Kricheldorf_1989, title={New polymer syntheses, 36. Functionalized aromatic polyethers derived from 4′‐substituted 2,6‐difluorobenzophenones}, volume={190}, ISSN={0025-116X}, url={http://dx.doi.org/10.1002/macp.1989.021900608}, DOI={10.1002/macp.1989.021900608}, number={6}, journal={Die Makromolekulare Chemie}, publisher={Wiley}, author={Kricheldorf, Hans R. and Delius, Ulrich}, year={1989}, month=jun, pages={1277–1288} }

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