Deoligomerization of cyclooligosiloxanes with dimethyl carbonate over solid-base catalysts

Catalysis Letters

Volumn 88, Issue 3-4, 2003, Pages 115-118

  Okamoto, Masaki ^a   Miyazaki, Kuon ^a   Kado, Akihiro ^a   Suzuki, Sumiko ^a   Suzuki, Eiichi ^a  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

Deoligomerization; Dimethyl carbonate; Polysiloxane; Recycling; Silicone

Indexed keywords

CHEMICAL BONDS; METHANOL; MONOMERS; OLIGOMERS; SILICONES;

SOLID-BASE CATALYSTS;

CATALYSIS;

EID: 0043269699     PISSN: 1011372X     EISSN: None     Source Type: Journal    
DOI: 10.1023/A:1024093218443     Document Type: Article

References (21)

1. M.G. Vornokov and Z.I. Shabarova, J. Gen. Chem. USSR 29 (1959) 1501; D.L. Bailey and F.M. O'Connor, US Patent 2 881 199 (1959); R. Tsuji, K. Ouchi and T. Hirose, Japanese Patent 7-102067 (1995).
2. M.G. Vornokov and Z.I. Shabarova, J. Gen. Chem. USSR 29 (1959) 1501; D.L. Bailey and F.M. O'Connor, US Patent 2 881 199 (1959); R. Tsuji, K. Ouchi and T. Hirose, Japanese Patent 7-102067 (1995).
3. M.G. Vornokov and Z.I. Shabarova, J. Gen. Chem. USSR 29 (1959) 1501; D.L. Bailey and F.M. O'Connor, US Patent 2 881 199 (1959); R. Tsuji, K. Ouchi and T. Hirose, Japanese Patent 7-102067 (1995).
4. J.F. Hyde, US Patent 2 615 034 (1952); H.-J. Kotzsch, H.-J. Vahlensieck, US Patent 4 417 067 (1983).
5. J.F. Hyde, US Patent 2 615 034 (1952); H.-J. Kotzsch, H.-J. Vahlensieck, US Patent 4 417 067 (1983).
6. R.N. Lewis, US Patent 2 500 761 (1950); Von E.P. Micheev and G.N. Malnova, J. Prakt. Chem. 23 (1964) 206; M. Lefort, US Patent 3 689 519 (1972); M. Takeuchi and H. Ishihara, Japanese Patent 5-222062 (1993).
7. R.N. Lewis, US Patent 2 500 761 (1950); Von E.P. Micheev and G.N. Malnova, J. Prakt. Chem. 23 (1964) 206; M. Lefort, US Patent 3 689 519 (1972); M. Takeuchi and H. Ishihara, Japanese Patent 5-222062 (1993).
8. R.N. Lewis, US Patent 2 500 761 (1950); Von E.P. Micheev and G.N. Malnova, J. Prakt. Chem. 23 (1964) 206; M. Lefort, US Patent 3 689 519 (1972); M. Takeuchi and H. Ishihara, Japanese Patent 5-222062 (1993).
9. R.N. Lewis, US Patent 2 500 761 (1950); Von E.P. Micheev and G.N. Malnova, J. Prakt. Chem. 23 (1964) 206; M. Lefort, US Patent 3 689 519 (1972); M. Takeuchi and H. Ishihara, Japanese Patent 5-222062 (1993).
10. Y.-C. Hsiao, L.W. Hill and S.P. Pappas, J. Appl. Polym. Sci. 19 (1975) 2817; S.P. Pappas and R.L. Just, J. Polym. Sci., Polym. Chem. Ed. 18 (1980) 527; K.-H. Schimmel, Acta Polym. 38 (1987) 495; K.-H. Schimmel and J. Schulz, Acta Polymerica 38 (1987) 536; K.-H. Schimmel, E. Schroder, J. Schulz and T. Souvimonh, Acta Polymerica 39 (1988) 310; C.L. Chang, H.S. Lee and C.K. Chen, Polym. Degrad. Stab. 65 (1999) 1.
11. Y.-C. Hsiao, L.W. Hill and S.P. Pappas, J. Appl. Polym. Sci. 19 (1975) 2817; S.P. Pappas and R.L. Just, J. Polym. Sci., Polym. Chem. Ed. 18 (1980) 527; K.-H. Schimmel, Acta Polym. 38 (1987) 495; K.-H. Schimmel and J. Schulz, Acta Polymerica 38 (1987) 536; K.-H. Schimmel, E. Schroder, J. Schulz and T. Souvimonh, Acta Polymerica 39 (1988) 310; C.L. Chang, H.S. Lee and C.K. Chen, Polym. Degrad. Stab. 65 (1999) 1.
12. Y.-C. Hsiao, L.W. Hill and S.P. Pappas, J. Appl. Polym. Sci. 19 (1975) 2817; S.P. Pappas and R.L. Just, J. Polym. Sci., Polym. Chem. Ed. 18 (1980) 527; K.-H. Schimmel, Acta Polym. 38 (1987) 495; K.-H. Schimmel and J. Schulz, Acta Polymerica 38 (1987) 536; K.-H. Schimmel, E. Schroder, J. Schulz and T. Souvimonh, Acta Polymerica 39 (1988) 310; C.L. Chang, H.S. Lee and C.K. Chen, Polym. Degrad. Stab. 65 (1999) 1.
13. Y.-C. Hsiao, L.W. Hill and S.P. Pappas, J. Appl. Polym. Sci. 19 (1975) 2817; S.P. Pappas and R.L. Just, J. Polym. Sci., Polym. Chem. Ed. 18 (1980) 527; K.-H. Schimmel, Acta Polym. 38 (1987) 495; K.-H. Schimmel and J. Schulz, Acta Polymerica 38 (1987) 536; K.-H. Schimmel, E. Schroder, J. Schulz and T. Souvimonh, Acta Polymerica 39 (1988) 310; C.L. Chang, H.S. Lee and C.K. Chen, Polym. Degrad. Stab. 65 (1999) 1.
14. Y.-C. Hsiao, L.W. Hill and S.P. Pappas, J. Appl. Polym. Sci. 19 (1975) 2817; S.P. Pappas and R.L. Just, J. Polym. Sci., Polym. Chem. Ed. 18 (1980) 527; K.-H. Schimmel, Acta Polym. 38 (1987) 495; K.-H. Schimmel and J. Schulz, Acta Polymerica 38 (1987) 536; K.-H. Schimmel, E. Schroder, J. Schulz and T. Souvimonh, Acta Polymerica 39 (1988) 310; C.L. Chang, H.S. Lee and C.K. Chen, Polym. Degrad. Stab. 65 (1999) 1.
15. Y.-C. Hsiao, L.W. Hill and S.P. Pappas, J. Appl. Polym. Sci. 19 (1975) 2817; S.P. Pappas and R.L. Just, J. Polym. Sci., Polym. Chem. Ed. 18 (1980) 527; K.-H. Schimmel, Acta Polym. 38 (1987) 495; K.-H. Schimmel and J. Schulz, Acta Polymerica 38 (1987) 536; K.-H. Schimmel, E. Schroder, J. Schulz and T. Souvimonh, Acta Polymerica 39 (1988) 310; C.L. Chang, H.S. Lee and C.K. Chen, Polym. Degrad. Stab. 65 (1999) 1.
16. I.P. Zhurkina, E.P. Nedogrei, R.S. Musavirov, and D.L. Rakhmankulov, J. Gen. Chem. USSR 59 (1989) 1066.
17. T. Kawamoto, Japanese Patent 2000-169484 (2000).
18. M. Okamoto, K. Miyazaki, A. Kado and E. Suzuki, Chem. Commun. 8 (2001) 1838.
19. W. Patnode and D.F. Wilcock, J. Am. Chem. Soc. 68 (1946) 358; T.H. Thomas and T.C. Kndrick, J. Polym. Sci., Part A-2 7 (1969) 537.
20. W. Patnode and D.F. Wilcock, J. Am. Chem. Soc. 68 (1946) 358; T.H. Thomas and T.C. Kndrick, J. Polym. Sci., Part A-2 7 (1969) 537.
21. N. Grassie and I.G. Macfarlane, Eur. Polym. J. 14 (1978) 875.