JPH0578565B2 - - Google Patents
Info
- Publication number
- JPH0578565B2 JPH0578565B2 JP15559884A JP15559884A JPH0578565B2 JP H0578565 B2 JPH0578565 B2 JP H0578565B2 JP 15559884 A JP15559884 A JP 15559884A JP 15559884 A JP15559884 A JP 15559884A JP H0578565 B2 JPH0578565 B2 JP H0578565B2
- Authority
- JP
- Japan
- Prior art keywords
- reaction
- methanol
- added
- solution
- formalization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 141
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 129
- 238000006243 chemical reaction Methods 0.000 claims description 44
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 239000000243 solution Substances 0.000 claims description 30
- 239000003381 stabilizer Substances 0.000 claims description 29
- 239000007795 chemical reaction product Substances 0.000 claims description 23
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 239000007864 aqueous solution Substances 0.000 claims description 17
- 239000011259 mixed solution Substances 0.000 claims description 17
- 239000002904 solvent Substances 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 14
- 239000011118 polyvinyl acetate Substances 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000003505 polymerization initiator Substances 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims 1
- 235000019256 formaldehyde Nutrition 0.000 description 24
- 238000006116 polymerization reaction Methods 0.000 description 17
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 15
- 229930040373 Paraformaldehyde Natural products 0.000 description 12
- 229920002866 paraformaldehyde Polymers 0.000 description 12
- 230000000087 stabilizing effect Effects 0.000 description 12
- 229920002554 vinyl polymer Polymers 0.000 description 11
- 238000001556 precipitation Methods 0.000 description 10
- 239000002244 precipitate Substances 0.000 description 9
- 238000003860 storage Methods 0.000 description 8
- 239000008098 formaldehyde solution Substances 0.000 description 7
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 7
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 6
- 230000005484 gravity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- -1 for example Chemical compound 0.000 description 3
- 229920006324 polyoxymethylene Polymers 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229920003180 amino resin Polymers 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000007870 radical polymerization initiator Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Phenolic Resins Or Amino Resins (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15559884A JPS6136303A (ja) | 1984-07-27 | 1984-07-27 | ホルムアルデヒド水溶液安定化剤の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15559884A JPS6136303A (ja) | 1984-07-27 | 1984-07-27 | ホルムアルデヒド水溶液安定化剤の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6136303A JPS6136303A (ja) | 1986-02-21 |
| JPH0578565B2 true JPH0578565B2 (zh) | 1993-10-29 |
Family
ID=15609521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15559884A Granted JPS6136303A (ja) | 1984-07-27 | 1984-07-27 | ホルムアルデヒド水溶液安定化剤の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6136303A (zh) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9132682B2 (en) | 2009-03-31 | 2015-09-15 | Brother Kogyo Kabushiki Kaisha | Tape unit and tape cassette |
| US9174476B2 (en) | 2010-02-26 | 2015-11-03 | Brother Kogyo Kabushiki Kaisha | Ribbon guide in a tape cassette |
| US9409425B2 (en) | 2009-03-31 | 2016-08-09 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| US9498997B2 (en) | 2008-12-25 | 2016-11-22 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| US9498987B2 (en) | 2009-03-31 | 2016-11-22 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| US9566808B2 (en) | 2009-03-31 | 2017-02-14 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042542C (zh) * | 1994-08-16 | 1999-03-17 | 李瑞林 | 一种高效甲醛阻聚剂的制备方法 |
| JP2007091680A (ja) * | 2005-09-30 | 2007-04-12 | Mitsui Chemicals Inc | ホルムアルデヒド水溶液用安定剤 |
| JP2008280364A (ja) * | 2007-05-08 | 2008-11-20 | Nitto Denko Corp | 変性ｐｖａの製造方法 |
| JP2010254865A (ja) * | 2009-04-27 | 2010-11-11 | Sekisui Chem Co Ltd | ポリビニルアセタールの製造方法 |
-
1984
- 1984-07-27 JP JP15559884A patent/JPS6136303A/ja active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9498997B2 (en) | 2008-12-25 | 2016-11-22 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| US9132682B2 (en) | 2009-03-31 | 2015-09-15 | Brother Kogyo Kabushiki Kaisha | Tape unit and tape cassette |
| US9409425B2 (en) | 2009-03-31 | 2016-08-09 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| US9498987B2 (en) | 2009-03-31 | 2016-11-22 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| US9566808B2 (en) | 2009-03-31 | 2017-02-14 | Brother Kogyo Kabushiki Kaisha | Tape cassette |
| US9174476B2 (en) | 2010-02-26 | 2015-11-03 | Brother Kogyo Kabushiki Kaisha | Ribbon guide in a tape cassette |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6136303A (ja) | 1986-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |