JPS5859214A - テレフタル酸成分の回収方法 - Google Patents
テレフタル酸成分の回収方法Info
- Publication number
- JPS5859214A JPS5859214A JP15756381A JP15756381A JPS5859214A JP S5859214 A JPS5859214 A JP S5859214A JP 15756381 A JP15756381 A JP 15756381A JP 15756381 A JP15756381 A JP 15756381A JP S5859214 A JPS5859214 A JP S5859214A
- Authority
- JP
- Japan
- Prior art keywords
- glycol
- terephthalic acid
- polyester
- weight
- distillation residue
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000011084 recovery Methods 0.000 title description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 102
- 238000004821 distillation Methods 0.000 claims abstract description 40
- 229920000728 polyester Polymers 0.000 claims abstract description 28
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- -1 polyethylene terephthalate Polymers 0.000 claims abstract description 10
- 229920000139 polyethylene terephthalate Polymers 0.000 claims abstract description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 229920001283 Polyalkylene terephthalate Polymers 0.000 claims description 5
- 239000000203 mixture Substances 0.000 abstract description 8
- 150000001339 alkali metal compounds Chemical class 0.000 abstract description 2
- 150000002148 esters Chemical class 0.000 abstract description 2
- 230000034659 glycolysis Effects 0.000 abstract 2
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 12
- 238000001914 filtration Methods 0.000 description 11
- 238000000354 decomposition reaction Methods 0.000 description 10
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 8
- 238000005809 transesterification reaction Methods 0.000 description 8
- 238000006116 polymerization reaction Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000012691 depolymerization reaction Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910000029 sodium carbonate Inorganic materials 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000012086 standard solution Substances 0.000 description 2
- JHCINPODUYPSLQ-UHFFFAOYSA-N 2-bromo-3-(bromomethyl)-6-propan-2-ylphenol Chemical compound CC(C)C1=CC=C(CBr)C(Br)=C1O JHCINPODUYPSLQ-UHFFFAOYSA-N 0.000 description 1
- MFJDFPRQTMQVHI-UHFFFAOYSA-N 3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound O=C1OCOC(=O)C2=CC=C1C=C2 MFJDFPRQTMQVHI-UHFFFAOYSA-N 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 229920001634 Copolyester Polymers 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical group O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 101150033155 sspP gene Proteins 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
Landscapes
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15756381A JPS5859214A (ja) | 1981-10-05 | 1981-10-05 | テレフタル酸成分の回収方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15756381A JPS5859214A (ja) | 1981-10-05 | 1981-10-05 | テレフタル酸成分の回収方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5859214A true JPS5859214A (ja) | 1983-04-08 |
| JPH0134257B2 JPH0134257B2 (enrdf_load_stackoverflow) | 1989-07-18 |
Family
ID=15652409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15756381A Granted JPS5859214A (ja) | 1981-10-05 | 1981-10-05 | テレフタル酸成分の回収方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5859214A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004323828A (ja) * | 2003-04-07 | 2004-11-18 | Mitsubishi Chemicals Corp | ポリエステル重縮合反応留出物の処理方法 |
| JP2010280750A (ja) * | 2009-06-02 | 2010-12-16 | Teijin Fibers Ltd | 非化石原料を用いた環境負荷低減型耐熱性ポリエステルおよびその製造方法 |
-
1981
- 1981-10-05 JP JP15756381A patent/JPS5859214A/ja active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004323828A (ja) * | 2003-04-07 | 2004-11-18 | Mitsubishi Chemicals Corp | ポリエステル重縮合反応留出物の処理方法 |
| JP2010280750A (ja) * | 2009-06-02 | 2010-12-16 | Teijin Fibers Ltd | 非化石原料を用いた環境負荷低減型耐熱性ポリエステルおよびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0134257B2 (enrdf_load_stackoverflow) | 1989-07-18 |
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