SU433128A1 - - Google Patents

Info

Publication number

SU433128A1

SU433128A1 SU1816417A SU1816417A SU433128A1 SU 433128 A1 SU433128 A1 SU 433128A1 SU 1816417 A SU1816417 A SU 1816417A SU 1816417 A SU1816417 A SU 1816417A SU 433128 A1 SU433128 A1 SU 433128A1

Authority

SU

USSR - Soviet Union

Prior art keywords

acid

acetic anhydride

mol

dianhydride

cis

Prior art date

1972-07-28

Links

• Espacenet
• Global Dossier
• Discuss

• WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 18
• 239000002253 acid Substances 0.000 description 9
• 238000000034 method Methods 0.000 description 7
• QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
• YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
• 239000000047 product Substances 0.000 description 5
• GWHJZXXIDMPWGX-UHFFFAOYSA-N 1,2,4-trimethylbenzene Chemical compound CC1=CC=C(C)C(C)=C1 GWHJZXXIDMPWGX-UHFFFAOYSA-N 0.000 description 4
• GTDPSWPPOUPBNX-UHFFFAOYSA-N ac1mqpva Chemical compound CC12C(=O)OC(=O)C1(C)C1(C)C2(C)C(=O)OC1=O GTDPSWPPOUPBNX-UHFFFAOYSA-N 0.000 description 4
• 238000002360 preparation method Methods 0.000 description 2
• 239000011541 reaction mixture Substances 0.000 description 2
• BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
• CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
• 150000008065 acid anhydrides Chemical class 0.000 description 1
• 239000003513 alkali Substances 0.000 description 1
• 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
• 239000003849 aromatic solvent Substances 0.000 description 1
• 239000011230 binding agent Substances 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000009835 boiling Methods 0.000 description 1
• BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1
• 230000018044 dehydration Effects 0.000 description 1
• 238000006297 dehydration reaction Methods 0.000 description 1
• 238000010790 dilution Methods 0.000 description 1
• 239000012895 dilution Substances 0.000 description 1
• 238000000605 extraction Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 239000003779 heat-resistant material Substances 0.000 description 1
• 150000004678 hydrides Chemical class 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 231100000252 nontoxic Toxicity 0.000 description 1
• 230000003000 nontoxic effect Effects 0.000 description 1
• 229920000642 polymer Polymers 0.000 description 1
• 239000002244 precipitate Substances 0.000 description 1
• 238000010992 reflux Methods 0.000 description 1
• 238000007086 side reaction Methods 0.000 description 1
• 239000000243 solution Substances 0.000 description 1
• 239000002904 solvent Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 230000009466 transformation Effects 0.000 description 1
• 239000008096 xylene Substances 0.000 description 1
• 150000003738 xylenes Chemical class 0.000 description 1