CA1096088A - Production of an improved polyoxymethylene molding composition which forms reduced mold deposists upon molding - Google Patents
Production of an improved polyoxymethylene molding composition which forms reduced mold deposists upon moldingInfo
- Publication number
- CA1096088A CA1096088A CA292,386A CA292386A CA1096088A CA 1096088 A CA1096088 A CA 1096088A CA 292386 A CA292386 A CA 292386A CA 1096088 A CA1096088 A CA 1096088A
- Authority
- CA
- Canada
- Prior art keywords
- polyoxymethylene
- molding composition
- producing
- polymer
- improved
- 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
Links
- 229920006324 polyoxymethylene Polymers 0.000 title claims abstract description 131
- -1 polyoxymethylene Polymers 0.000 title claims abstract description 86
- 229930040373 Paraformaldehyde Natural products 0.000 title claims abstract description 84
- 239000000203 mixture Substances 0.000 title claims abstract description 69
- 238000000465 moulding Methods 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000004417 polycarbonate Substances 0.000 claims abstract description 60
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 55
- 125000003118 aryl group Chemical group 0.000 claims abstract description 41
- 229920000642 polymer Polymers 0.000 claims abstract description 29
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- WRIRWRKPLXCTFD-UHFFFAOYSA-N malonamide Chemical compound NC(=O)CC(N)=O WRIRWRKPLXCTFD-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 41
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 13
- 229920001577 copolymer Polymers 0.000 claims description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 10
- 238000001746 injection moulding Methods 0.000 claims description 9
- 230000007062 hydrolysis Effects 0.000 claims description 7
- 238000006460 hydrolysis reaction Methods 0.000 claims description 7
- 239000000243 solution Substances 0.000 claims description 7
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 239000002516 radical scavenger Substances 0.000 claims description 5
- GRWFGVWFFZKLTI-UHFFFAOYSA-N α-pinene Chemical compound CC1=CCC2C(C)(C)C1C2 GRWFGVWFFZKLTI-UHFFFAOYSA-N 0.000 claims description 4
- WXNZTHHGJRFXKQ-UHFFFAOYSA-N 4-chlorophenol Chemical compound OC1=CC=C(Cl)C=C1 WXNZTHHGJRFXKQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- GRWFGVWFFZKLTI-IUCAKERBSA-N 1S,5S-(-)-alpha-Pinene Natural products CC1=CC[C@@H]2C(C)(C)[C@H]1C2 GRWFGVWFFZKLTI-IUCAKERBSA-N 0.000 claims description 2
- MVNCAPSFBDBCGF-UHFFFAOYSA-N alpha-pinene Natural products CC1=CCC23C1CC2C3(C)C MVNCAPSFBDBCGF-UHFFFAOYSA-N 0.000 claims description 2
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical group NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 claims description 2
- 229920002959 polymer blend Polymers 0.000 claims 1
- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 abstract description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 30
- 230000015556 catabolic process Effects 0.000 description 14
- 238000006731 degradation reaction Methods 0.000 description 14
- 238000002156 mixing Methods 0.000 description 10
- 230000006641 stabilisation Effects 0.000 description 9
- 238000011105 stabilization Methods 0.000 description 9
- 239000000654 additive Substances 0.000 description 8
- 235000006708 antioxidants Nutrition 0.000 description 7
- 229930182556 Polyacetal Natural products 0.000 description 5
- 229920001519 homopolymer Polymers 0.000 description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000012668 chain scission Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- 229920012196 Polyoxymethylene Copolymer Polymers 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 description 2
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 150000004292 cyclic ethers Chemical class 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000001294 propane Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 1
- ULAGGPJVDRGWTI-UHFFFAOYSA-N 1,3,5-trioxepane Chemical compound C1COCOCO1 ULAGGPJVDRGWTI-UHFFFAOYSA-N 0.000 description 1
- VDFVNEFVBPFDSB-UHFFFAOYSA-N 1,3-dioxane Chemical compound C1COCOC1 VDFVNEFVBPFDSB-UHFFFAOYSA-N 0.000 description 1
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 1
- BGCSUUSPRCDKBQ-UHFFFAOYSA-N 2,4,8,10-tetraoxaspiro[5.5]undecane Chemical compound C1OCOCC21COCOC2 BGCSUUSPRCDKBQ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 1
- 229920004142 LEXAN™ Polymers 0.000 description 1
- 239000004418 Lexan Substances 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 description 1
- 230000021736 acetylation Effects 0.000 description 1
- 238000006640 acetylation reaction Methods 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- MQTOSJVFKKJCRP-BICOPXKESA-N azithromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)N(C)C[C@H](C)C[C@@](C)(O)[C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 MQTOSJVFKKJCRP-BICOPXKESA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- IMHDGJOMLMDPJN-UHFFFAOYSA-N biphenyl-2,2'-diol Chemical group OC1=CC=CC=C1C1=CC=CC=C1O IMHDGJOMLMDPJN-UHFFFAOYSA-N 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003413 degradative effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- KVFIJIWMDBAGDP-UHFFFAOYSA-N ethylpyrazine Chemical compound CCC1=CN=CC=N1 KVFIJIWMDBAGDP-UHFFFAOYSA-N 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- UCAOGXRUJFKQAP-UHFFFAOYSA-N n,n-dimethyl-5-nitropyridin-2-amine Chemical compound CN(C)C1=CC=C([N+]([O-])=O)C=N1 UCAOGXRUJFKQAP-UHFFFAOYSA-N 0.000 description 1
- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 238000002464 physical blending Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000005156 substituted alkylene group Chemical group 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000003017 thermal stabilizer Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- UYPYRKYUKCHHIB-UHFFFAOYSA-N trimethylamine N-oxide Chemical compound C[N+](C)(C)[O-] UYPYRKYUKCHHIB-UHFFFAOYSA-N 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L59/00—Compositions of polyacetals; Compositions of derivatives of polyacetals
- C08L59/02—Polyacetals containing polyoxymethylene sequences only
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US75184976A | 1976-12-17 | 1976-12-17 | |
| US751,849 | 1976-12-17 | ||
| US05/846,662 US4130604A (en) | 1976-12-17 | 1977-10-28 | Production of an improved polyoxymethylene molding composition which forms reduced mold deposits upon molding |
| US846,662 | 1986-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1096088A true CA1096088A (en) | 1981-02-17 |
Family
ID=27115484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA292,386A Expired CA1096088A (en) | 1976-12-17 | 1977-12-05 | Production of an improved polyoxymethylene molding composition which forms reduced mold deposists upon molding |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS5381558A (da) |
| AU (1) | AU517971B2 (da) |
| BR (1) | BR7708342A (da) |
| CA (1) | CA1096088A (da) |
| DE (1) | DE2754600A1 (da) |
| FR (1) | FR2374365A1 (da) |
| GB (1) | GB1592681A (da) |
| IT (1) | IT1089408B (da) |
| NL (1) | NL184741C (da) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1273767A (en) * | 1986-06-26 | 1990-09-11 | Alex S. Forschirm | Polyacetal lighter body resin |
| DE3703790A1 (de) * | 1987-02-07 | 1988-08-18 | Hoechst Ag | Kontinuierliches verfahren zur entfernung instabiler anteile aus rohem oxymethylencopolymerisat |
| MY132287A (en) * | 1995-02-02 | 2007-09-28 | Asahi Chemical Ind | Process for production of stabilized oxymethylene copolymer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3646159A (en) * | 1968-03-13 | 1972-02-29 | Baychem Corp | Polycarbonate/polyacetal thermoplastic resin compositions |
-
1977
- 1977-11-30 GB GB4986877A patent/GB1592681A/en not_active Expired
- 1977-12-05 CA CA292,386A patent/CA1096088A/en not_active Expired
- 1977-12-06 AU AU31266/77A patent/AU517971B2/en not_active Expired
- 1977-12-08 DE DE19772754600 patent/DE2754600A1/de active Granted
- 1977-12-15 BR BR7708342A patent/BR7708342A/pt unknown
- 1977-12-15 NL NL7713892A patent/NL184741C/xx not_active IP Right Cessation
- 1977-12-16 JP JP15069777A patent/JPS5381558A/ja active Granted
- 1977-12-16 FR FR7738078A patent/FR2374365A1/fr active Granted
- 1977-12-16 IT IT3085877A patent/IT1089408B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2754600C2 (da) | 1991-08-01 |
| IT1089408B (it) | 1985-06-18 |
| FR2374365A1 (fr) | 1978-07-13 |
| FR2374365B1 (da) | 1980-08-22 |
| DE2754600A1 (de) | 1978-06-22 |
| AU3126677A (en) | 1979-06-14 |
| NL184741B (nl) | 1989-05-16 |
| JPS6136021B2 (da) | 1986-08-15 |
| JPS5381558A (en) | 1978-07-19 |
| AU517971B2 (en) | 1981-09-10 |
| BR7708342A (pt) | 1978-08-08 |
| NL184741C (nl) | 1989-10-16 |
| GB1592681A (en) | 1981-07-08 |
| NL7713892A (nl) | 1978-06-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |