Claims
- 1. A process for the preparation of polycarbonate type surfactants comprising the steps of: (a) reacting ethylene carbonate and monohydroxy alcohol in the presence of an alkali metal salt catalyst at a temperature of about 130.degree. C. to about 210.degree. C. to form a reaction product, a (b) further reacting the reaction product of step (a) with ethylene oxide.
- 2. The process of claim 1 wherein about 2 to 20 moles of ethylene carbonate per mole of said monohydroxy alcohol are reacted together.
- 3. The process of claim 2 wherein about 3 to 50 moles of ethylene oxide per mole of the reaction product formed in step (a) are reacted together.
- 4. The process of claim 3 wherein about 3 to 10 moles of ethylene oxide per mole of the reaction product formed in step (a) are reacted together.
- 5. The process of claim 2 wherein about 3 to 10 moles of ethylene carbonate per mole of said monohydroxy alcohol are reacted together.
- 6. The process of claim 5 wherein about 3 to 50 moles of ethylene oxide per mole of the reaction product formed in step (a) are reacted together.
- 7. The process of claim 6 wherein about 3 to 10 moles of ethylene oxide per mole of the reaction product formed in step (a) are reacted together.
CROSS-REFERENCE TO RELATED APPLICATION
This is a division of application Ser. No. 177,030, filed Aug. 11, 1980, now U.S. Pat. No. 4,330,481, which in-turn is a division of application Ser. No. 973,211, filed Dec. 26, 1978, now abandoned.
Foreign Referenced Citations (1)
Number |
Date |
Country |
2712162 |
Sep 1978 |
DEX |
Non-Patent Literature Citations (1)
Entry |
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 19, pp. 531-536, (1960). |
Divisions (2)
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Number |
Date |
Country |
Parent |
177030 |
Aug 1980 |
|
Parent |
973211 |
Dec 1978 |
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