DE1520063B2 - Verfahren zum geregelten abbau von hochmolekularen polyoxy methylenen durch erhitzen - Google Patents
Verfahren zum geregelten abbau von hochmolekularen polyoxy methylenen durch erhitzenInfo
- Publication number
- DE1520063B2 DE1520063B2 DE19631520063 DE1520063A DE1520063B2 DE 1520063 B2 DE1520063 B2 DE 1520063B2 DE 19631520063 DE19631520063 DE 19631520063 DE 1520063 A DE1520063 A DE 1520063A DE 1520063 B2 DE1520063 B2 DE 1520063B2
- Authority
- DE
- Germany
- Prior art keywords
- high molecular
- degradation
- heating
- molecular weight
- polyoxymethylenes
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 18
- 229920006324 polyoxymethylene Polymers 0.000 title claims description 11
- 230000015556 catabolic process Effects 0.000 title claims description 8
- 238000006731 degradation reaction Methods 0.000 title claims description 8
- 238000010438 heat treatment Methods 0.000 title claims description 4
- 230000001105 regulatory effect Effects 0.000 title 1
- -1 polyoxymethylenes Polymers 0.000 claims description 12
- 150000001447 alkali salts Chemical class 0.000 claims description 9
- 150000001244 carboxylic acid anhydrides Chemical class 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 150000001735 carboxylic acids Chemical class 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 229920002521 macromolecule Polymers 0.000 description 7
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 239000001632 sodium acetate Substances 0.000 description 5
- 235000017281 sodium acetate Nutrition 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 3
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical group C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 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 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- WYVAMUWZEOHJOQ-UHFFFAOYSA-N propionic anhydride Chemical compound CCC(=O)OC(=O)CC WYVAMUWZEOHJOQ-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/30—Chemical modification by after-treatment
- C08G2/32—Chemical modification by after-treatment by esterification
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL273547 | 1962-01-15 | ||
| FR908832A FR1333327A (fr) | 1962-01-15 | 1962-09-07 | Procédé de traitement de polyoxyméthylènes fibreux, en vue de les rendre industriellement utilisables |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1520063A1 DE1520063A1 (de) | 1970-04-09 |
| DE1520063B2 true DE1520063B2 (de) | 1971-12-02 |
Family
ID=26197415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19631520063 Withdrawn DE1520063B2 (de) | 1962-01-15 | 1963-01-09 | Verfahren zum geregelten abbau von hochmolekularen polyoxy methylenen durch erhitzen |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE626451A (en, 2012) |
| DE (1) | DE1520063B2 (en, 2012) |
| FR (1) | FR1333327A (en, 2012) |
| GB (1) | GB969428A (en, 2012) |
-
0
- BE BE626451D patent/BE626451A/xx unknown
-
1962
- 1962-09-07 FR FR908832A patent/FR1333327A/fr not_active Expired
-
1963
- 1963-01-09 DE DE19631520063 patent/DE1520063B2/de not_active Withdrawn
- 1963-01-14 GB GB152563A patent/GB969428A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1333327A (fr) | 1963-07-26 |
| DE1520063A1 (de) | 1970-04-09 |
| GB969428A (en) | 1964-09-09 |
| BE626451A (en, 2012) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |