TH100281A - Processes for preparing tetramethyl glycolides - Google Patents
Processes for preparing tetramethyl glycolidesInfo
- Publication number
- TH100281A TH100281A TH701005884A TH0701005884A TH100281A TH 100281 A TH100281 A TH 100281A TH 701005884 A TH701005884 A TH 701005884A TH 0701005884 A TH0701005884 A TH 0701005884A TH 100281 A TH100281 A TH 100281A
- Authority
- TH
- Thailand
- Prior art keywords
- glycolides
- tetramethyl
- processes
- tetramethyl glycolides
- weight
- Prior art date
Links
- 125000003698 tetramethyl group Chemical group [H]C([H])([H])* 0.000 title claims abstract 7
- 238000000034 method Methods 0.000 title claims abstract 6
- BWLBGMIXKSTLSX-UHFFFAOYSA-N 2-hydroxyisobutyric acid Chemical compound CC(C)(O)C(O)=O BWLBGMIXKSTLSX-UHFFFAOYSA-N 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims abstract 4
- 238000002360 preparation method Methods 0.000 claims abstract 3
- 239000002253 acid Substances 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 1
- 150000004820 halides Chemical class 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- -1 tetramethyl glycol Chemical compound 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract 2
- KQNPFQTWMSNSAP-UHFFFAOYSA-N alpha-isobutyric acid Natural products CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 0.000 abstract 1
Abstract
DC60 (06/02/51) การประดิษฐ์นี้เกี่ยวข้องต่อกรรมวิธีสำหรับการเตรียมเตตราเมธิลไกลโคไลด์ โดยการ ให้ความร้อนกับสารผสมซึ่งประกอบรวมด้วยอย่างน้อย 50 % โดยน้ำหนัก ของ 2- ไฮดรอกซี - ไอโซบิวไทริก แอซิด และ / หรือเตตราเมธิลไกลโคไลด์ จนถึงอุณหภูมิอย่างน้อย 100 องศาเซลเซียส การประดิษฐ์นี้เกี่ยวข้องกับกรรมวิธีสำหรับการเตรียมเตตราเมธิลไกลโคไลด์ โดยการ ให้ความร้อนกับสารผสมซึ่งประกอบรวมด้วยอย่างน้อย 50% โดยน้ำหนัก ของ 2- ไฮดรอกซี - ไอโซบิวไทริก แอซิด และ / หรือเตตราเมธิลไกลโคไลด์ จนถึงอุณหภูมิอย่างน้อย 100 องศาเซลเซียส DC60 (06/02/51) This invention involves a process for the preparation of tetramethyl glycolides by heating a mixture comprising at least 50% by weight of 2-hydroxy. - isobutyric acid and / or tetramethyl glycolides The invention involves a process for the preparation of tetramethyl glycolides by heating a mixture consisting of at least 50% by weight of 2-hydroxy- Isobutyric acid and / or tetramethyl glycolides Until a temperature of at least 100 degrees Celsius
Claims (3)
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TH100281B TH100281B (en) | 2010-02-26 |
| TH100281A true TH100281A (en) | 2010-02-26 |
Family
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