MX9207631A - Proceso para la polimerizacion de lactida. - Google Patents
Proceso para la polimerizacion de lactida.Info
- Publication number
- MX9207631A MX9207631A MX9207631A MX9207631A MX9207631A MX 9207631 A MX9207631 A MX 9207631A MX 9207631 A MX9207631 A MX 9207631A MX 9207631 A MX9207631 A MX 9207631A MX 9207631 A MX9207631 A MX 9207631A
- Authority
- MX
- Mexico
- Prior art keywords
- preferred
- polymerization
- lanthanum
- ligands
- especially preferred
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 title abstract 2
- 229910052746 lanthanum Inorganic materials 0.000 abstract 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 abstract 2
- 239000003446 ligand Substances 0.000 abstract 2
- 229910052684 Cerium Inorganic materials 0.000 abstract 1
- OFOBLEOULBTSOW-UHFFFAOYSA-L Malonate Chemical compound [O-]C(=O)CC([O-])=O OFOBLEOULBTSOW-UHFFFAOYSA-L 0.000 abstract 1
- 229910052779 Neodymium Inorganic materials 0.000 abstract 1
- 229910052777 Praseodymium Inorganic materials 0.000 abstract 1
- 150000001450 anions Chemical class 0.000 abstract 1
- 229910052797 bismuth Inorganic materials 0.000 abstract 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical group [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 abstract 1
- 125000000468 ketone group Chemical group 0.000 abstract 1
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 abstract 1
- 150000002596 lactones Chemical class 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 abstract 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 abstract 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 1
- 150000002910 rare earth metals Chemical class 0.000 abstract 1
- 229910052706 scandium Inorganic materials 0.000 abstract 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical group [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 abstract 1
- 229910052727 yttrium Inorganic materials 0.000 abstract 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical group [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/814,135 US5208297A (en) | 1991-12-30 | 1991-12-30 | Rare earth metal coordination compounds as lactone polymerization catalysts |
| US07/995,457 US5292859A (en) | 1992-12-22 | 1992-12-22 | Rare earth metal coordination compounds as lactone polymerization catalysts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MX9207631A true MX9207631A (es) | 1994-05-31 |
Family
ID=27123817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MX9207631A MX9207631A (es) | 1991-12-30 | 1992-12-30 | Proceso para la polimerizacion de lactida. |
Country Status (2)
| Country | Link |
|---|---|
| MX (1) | MX9207631A (enExample) |
| TW (1) | TW221697B (enExample) |
-
1992
- 1992-12-30 MX MX9207631A patent/MX9207631A/es unknown
- 1992-12-30 TW TW81110495A patent/TW221697B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| TW221697B (enExample) | 1994-03-11 |
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