SU159652A1 - - Google Patents
Info
- Publication number
- SU159652A1 SU159652A1 SU776774A SU776774A SU159652A1 SU 159652 A1 SU159652 A1 SU 159652A1 SU 776774 A SU776774 A SU 776774A SU 776774 A SU776774 A SU 776774A SU 159652 A1 SU159652 A1 SU 159652A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- polyoxymethylene
- catalyst
- acetylation
- diluent
- sodium acetate
- Prior art date
Links
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 229920006324 polyoxymethylene Polymers 0.000 claims description 7
- 239000003085 diluting agent Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000397 acetylating effect Effects 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 238000002360 preparation method Methods 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 230000021736 acetylation Effects 0.000 description 4
- 238000006640 acetylation reaction Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU813273112A Addition SU965614A2 (ru) | 1981-04-01 | 1981-04-01 | Патрон дл нарезани точных резьб |
Publications (1)
Publication Number | Publication Date |
---|---|
SU159652A1 true SU159652A1 (enrdf_load_stackoverflow) |
Family
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