JPS588028A - ジペンタエリスリト−ルの分離方法 - Google Patents
ジペンタエリスリト−ルの分離方法Info
- Publication number
- JPS588028A JPS588028A JP10486281A JP10486281A JPS588028A JP S588028 A JPS588028 A JP S588028A JP 10486281 A JP10486281 A JP 10486281A JP 10486281 A JP10486281 A JP 10486281A JP S588028 A JPS588028 A JP S588028A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- dipentaerythritol
- aqueous solution
- weight ratio
- pentaerythritol
- 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.)
- Granted
Links
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 title claims description 10
- 238000000926 separation method Methods 0.000 title description 16
- 239000007864 aqueous solution Substances 0.000 claims abstract description 19
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 27
- 229910001868 water Inorganic materials 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 22
- 239000000243 solution Substances 0.000 claims description 20
- 238000002425 crystallisation Methods 0.000 claims description 19
- 230000008025 crystallization Effects 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 7
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 abstract 1
- 229910001854 alkali hydroxide Inorganic materials 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 description 26
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000006227 byproduct Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 235000011121 sodium hydroxide Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004280 Sodium formate Substances 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006884 silylation reaction Methods 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000002061 vacuum sublimation Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10486281A JPS588028A (ja) | 1981-07-03 | 1981-07-03 | ジペンタエリスリト−ルの分離方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10486281A JPS588028A (ja) | 1981-07-03 | 1981-07-03 | ジペンタエリスリト−ルの分離方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS588028A true JPS588028A (ja) | 1983-01-18 |
| JPH0210811B2 JPH0210811B2 (https=) | 1990-03-09 |
Family
ID=14392054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10486281A Granted JPS588028A (ja) | 1981-07-03 | 1981-07-03 | ジペンタエリスリト−ルの分離方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS588028A (https=) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991010633A1 (fr) * | 1990-01-09 | 1991-07-25 | Mitsui Toatsu Chemicals, Incorporated | Procede de production de la dipentaerithrite |
| JPH07165652A (ja) * | 1993-12-14 | 1995-06-27 | Mitsui Toatsu Chem Inc | ジペンタエリスリトールの製造方法 |
| JP2005270171A (ja) * | 2004-03-23 | 2005-10-06 | Olympus Corp | 内視鏡システム |
| JP2008543954A (ja) * | 2005-06-28 | 2008-12-04 | 湖北宜化化工股▲ふん▼有限公司 | ペンタエリトリトールの製造方法 |
-
1981
- 1981-07-03 JP JP10486281A patent/JPS588028A/ja active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991010633A1 (fr) * | 1990-01-09 | 1991-07-25 | Mitsui Toatsu Chemicals, Incorporated | Procede de production de la dipentaerithrite |
| JPH07165652A (ja) * | 1993-12-14 | 1995-06-27 | Mitsui Toatsu Chem Inc | ジペンタエリスリトールの製造方法 |
| JP2005270171A (ja) * | 2004-03-23 | 2005-10-06 | Olympus Corp | 内視鏡システム |
| US8002696B2 (en) | 2004-03-23 | 2011-08-23 | Olympus Corporation | Endoscope system |
| JP2008543954A (ja) * | 2005-06-28 | 2008-12-04 | 湖北宜化化工股▲ふん▼有限公司 | ペンタエリトリトールの製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0210811B2 (https=) | 1990-03-09 |
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