TH126246B - Process for purification of methyl methacrylate (MMA) - Google Patents
Process for purification of methyl methacrylate (MMA)Info
- Publication number
- TH126246B TH126246B TH901005676A TH0901005676A TH126246B TH 126246 B TH126246 B TH 126246B TH 901005676 A TH901005676 A TH 901005676A TH 0901005676 A TH0901005676 A TH 0901005676A TH 126246 B TH126246 B TH 126246B
- Authority
- TH
- Thailand
- Prior art keywords
- mma
- purification
- formula
- methyl methacrylate
- formaldehyde
- Prior art date
Links
- VVQNEPGJFQJSBK-UHFFFAOYSA-N 2-methyl-2-propenoic acid methyl ester Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 title claims abstract 8
- 238000000034 method Methods 0.000 title claims abstract 4
- 238000000746 purification Methods 0.000 title claims abstract 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract 6
- 239000005977 Ethylene Substances 0.000 claims abstract 2
- 239000000356 contaminant Substances 0.000 claims abstract 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract 2
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract 2
- 239000007788 liquid Substances 0.000 claims abstract 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims abstract 2
- 229920005989 resin Polymers 0.000 claims abstract 2
- 239000011347 resin Substances 0.000 claims abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N sulfonic acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
Abstract
กระบวนการสำหรับการทำให้เมทิล เมทอะคริเลท (MMA) บริสุทธิ์จะถูกอธิบายไว้ กระบวนการจะรวมถึงการสัมผัส MMA เหลวที่มีสารปนเปื้อนในที่นั้นกับเรซินของกรดซัลโฟนิค, โดยมีฟอร์มอลดีไฮด์หรือแหล่งที่เหมาะสมของเมทิลีนหรือเอทิลีนที่มีสูตร I อยู่ด้วย (สูตร) ที่ซึ่ง R5 และ R6 จะถูกเลือกอย่างอิสระจาก C1-C12 ไฮโดรคาร์บอนหรือ H; X คือ O หรือ S อย่างใดอย่างหนึ่ง n คือ จำนวนเต็มจาก 1 ถึง 100 และ m คือ 1 หรือ 2 สารประกอบที่มีสูตร I อาจ เป็นแหล่งที่เหมาะสมของฟอร์มอลดีไฮด์ The process for purification of methyl methacrylate (MMA) is described. The process would include contact of liquid MMA containing on-site contaminants with sulfonic acid resins, with formaldehyde or a suitable source of methylene or ethylene. There is a formula I (formula) where R5 and R6 are independently selected from C1-C12 hydrocarbons or H; X is either O or S; n is an integer from 1 to 100 and m is 1 or 2 compounds that There is a formula I may be a suitable source of formaldehyde.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TH126246B true TH126246B (en) | 2013-08-19 |
Family
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