WO1994016012A1 - Shutter for cartridges for disks or tapes of excellent printability - Google Patents
Shutter for cartridges for disks or tapes of excellent printability Download PDFInfo
- Publication number
- WO1994016012A1 WO1994016012A1 PCT/JP1994/000015 JP9400015W WO9416012A1 WO 1994016012 A1 WO1994016012 A1 WO 1994016012A1 JP 9400015 W JP9400015 W JP 9400015W WO 9416012 A1 WO9416012 A1 WO 9416012A1
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- acid
- disk
- weight
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- -1 amino compound Chemical class 0.000 claims abstract description 73
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 31
- 239000000194 fatty acid Substances 0.000 claims abstract description 31
- 229930195729 fatty acid Natural products 0.000 claims abstract description 31
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- 239000011347 resin Substances 0.000 claims abstract description 30
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 235000011187 glycerol Nutrition 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 150000004665 fatty acids Chemical class 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- 239000003484 crystal nucleating agent Substances 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 claims 1
- 230000037213 diet Effects 0.000 claims 1
- 235000005911 diet Nutrition 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 claims 1
- 229920006324 polyoxymethylene Polymers 0.000 abstract description 16
- 229930182556 Polyacetal Natural products 0.000 abstract description 14
- 238000000465 moulding Methods 0.000 abstract description 12
- 229920000223 polyglycerol Polymers 0.000 abstract description 2
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- 238000000034 method Methods 0.000 description 31
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- 125000005456 glyceride group Chemical group 0.000 description 13
- ISYWECDDZWTKFF-UHFFFAOYSA-N nonadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCCC(O)=O ISYWECDDZWTKFF-UHFFFAOYSA-N 0.000 description 12
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- WQEPLUUGTLDZJY-UHFFFAOYSA-N pentadecanoic acid Chemical compound CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 11
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- CHEANNSDVJOIBS-MHZLTWQESA-N (3s)-3-cyclopropyl-3-[3-[[3-(5,5-dimethylcyclopenten-1-yl)-4-(2-fluoro-5-methoxyphenyl)phenyl]methoxy]phenyl]propanoic acid Chemical compound COC1=CC=C(F)C(C=2C(=CC(COC=3C=C(C=CC=3)[C@@H](CC(O)=O)C3CC3)=CC=2)C=2C(CCC=2)(C)C)=C1 CHEANNSDVJOIBS-MHZLTWQESA-N 0.000 description 2
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- GRWFGVWFFZKLTI-IUCAKERBSA-N 1S,5S-(-)-alpha-Pinene Natural products CC1=CC[C@@H]2C(C)(C)[C@H]1C2 GRWFGVWFFZKLTI-IUCAKERBSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- BJQWYEJQWHSSCJ-UHFFFAOYSA-N Heptacosane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCC BJQWYEJQWHSSCJ-UHFFFAOYSA-N 0.000 description 2
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- TZRXHJWUDPFEEY-UHFFFAOYSA-N Pentaerythritol Tetranitrate Chemical compound [O-][N+](=O)OCC(CO[N+]([O-])=O)(CO[N+]([O-])=O)CO[N+]([O-])=O TZRXHJWUDPFEEY-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
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- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
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- IUBMRJVNZLQSHU-FDJBSCRHSA-N monate-a Chemical compound C[C@H](O)[C@H](C)[C@@H]1O[C@H]1C[C@@H]1[C@@H](O)[C@@H](O)[C@H](C\C(C)=C\C(O)=O)OC1 IUBMRJVNZLQSHU-FDJBSCRHSA-N 0.000 description 2
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- HPXRVTGHNJAIIH-PTQBSOBMSA-N cyclohexanol Chemical group O[13CH]1CCCCC1 HPXRVTGHNJAIIH-PTQBSOBMSA-N 0.000 description 1
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 1
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- XMHIUKTWLZUKEX-UHFFFAOYSA-N hexacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O XMHIUKTWLZUKEX-UHFFFAOYSA-N 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- HKZVDXUEAWCPIQ-UHFFFAOYSA-N hexane-1,2,3,4,5,6-hexacarboxylic acid Chemical compound OC(=O)CC(C(O)=O)C(C(O)=O)C(C(O)=O)C(C(O)=O)CC(O)=O HKZVDXUEAWCPIQ-UHFFFAOYSA-N 0.000 description 1
- 229960001545 hydrotalcite Drugs 0.000 description 1
- 229910001701 hydrotalcite Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229920000831 ionic polymer Polymers 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-M lysinate Chemical compound NCCCCC(N)C([O-])=O KDXKERNSBIXSRK-UHFFFAOYSA-M 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- VVGIYYKRAMHVLU-UHFFFAOYSA-N newbouldiamide Natural products CCCCCCCCCCCCCCCCCCCC(O)C(O)C(O)C(CO)NC(=O)CCCCCCCCCCCCCCCCC VVGIYYKRAMHVLU-UHFFFAOYSA-N 0.000 description 1
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000005702 oxyalkylene group Chemical group 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- XYGGIQVMMDMTKB-UHFFFAOYSA-N pentane-1,2,3,4,5-pentacarboxylic acid Chemical compound OC(=O)CC(C(O)=O)C(C(O)=O)C(C(O)=O)CC(O)=O XYGGIQVMMDMTKB-UHFFFAOYSA-N 0.000 description 1
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 239000002987 primer (paints) Substances 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 238000001612 separation test Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- QIQCZROILFZKAT-UHFFFAOYSA-N tetracarbon dioxide Chemical group O=C=C=C=C=O QIQCZROILFZKAT-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- PVNIQBQSYATKKL-UHFFFAOYSA-N tripalmitin Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCC PVNIQBQSYATKKL-UHFFFAOYSA-N 0.000 description 1
- 125000005580 triphenylene group Chemical group 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/04—Magazines; Cassettes for webs or filaments
- G11B23/041—Details
- G11B23/045—Covers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/03—Containers for flat record carriers
- G11B23/0301—Details
- G11B23/0308—Shutters
Definitions
- the present invention relates to a novel disk or tape cartridge shutter. More specifically, the present invention is directed to a disk or tape carrier thread shutter having excellent printability and, more preferably, having little change over time in printability. Sekita
- Polycarbonate resin has excellent mechanical properties and moldability, and is widely used as an engineering ring resin in various fields, especially in the field of automotive home appliances. It is. However, it is difficult to print a molded article of polyacetal resin with various inks as it is, and it is usually used after pretreatment such as corona discharge. However, when used as a disk or tape cartridge shutter, since the molded product itself is thin, the corona discharge voltage, processing time, etc. If you do not lower the shutter, the shutter will warp and deform, making it unusable for practical use. Therefore, a material that can sufficiently adhere ink even under such weak corona discharge processing conditions has been desired.
- Japanese Unexamined Patent Publication (Kokai) No. 60-195955 discloses that polyoxymethylene is added with 0.01 to 4 parts by weight of a specific benzotriazole-based ultraviolet absorber. There is disclosed a method of improving the weather resistance by blending 0.01 to 3 parts by weight of hinder domain. However, this technique does not always show satisfactory printability, and there is almost no improvement with respect to the change over time in printability.
- Japanese Patent Application Laid-Open No. 57-128,740 discloses polyglycerin fatty acid esters and / or polyalkylene glycols' alkyl ethers from 0.01 to 5.0. There is a method in which parts by weight are mixed with the acetate resin. However, this technique does not improve printability at all, and conversely, printability is impaired.
- European Patent No. 1 514 242 discloses a solder-door mine compound in an amount of 0.01 to 3% by weight and an effective amount of an antistatic agent, such as an antistatic agent (polyvalent alcohol).
- an antistatic agent such as an antistatic agent (polyvalent alcohol).
- this technique does not always show satisfactory printability, and in some cases, printability is impaired. Also, there is almost no improvement in the change over time in printability.
- EP Publication No. 172 691 discloses a method for improving the weather resistance by blending a UV absorber, a fatty acid ester, and a hindered amine-based substance with a polyacetal resin. ing.
- a UV absorber e.g., a UV absorber
- a fatty acid ester e.g., a fatty acid ester
- a hindered amine-based substance e.g., a hindered amine-based substance
- a polyacetal resin e.g., a hindered amine-based substance
- Japanese Patent Application Laid-Open No. 61-41583 discloses that, in order to perform clear immersion printing on a polyacetate resin, the depth force up to the complete spherulite layer is 200 zm.
- the following method is disclosed for infiltrating and printing into a polyacetal resin molded product.
- the polyacetal resin molded product includes a hindered amine compound and a polyglycerol compound.
- fatty acid esters There were no restrictions on the addition of fatty acid esters, and satisfactory printability was not necessarily shown. In addition, aging of printability was not improved in some cases.
- the purpose of the present invention is to overcome such drawbacks in the prior art and realize a disk which has sufficient initial printability and, preferably, printability with less aging. Or to provide a shutter for tape cartridges.
- the present inventors have conducted intensive studies to solve the above-mentioned object, and as a result, the polymerization of (A) a polyacetyl resin, (B) a hindered amide compound and (C) a glycerin has been described.
- Disc or tape cartridge shutter obtained by molding a composition consisting of a polyglycerin fatty acid ester having a degree of 3 to 8
- the present invention has found that it has extremely excellent printability, its change over time is smaller than in some cases, and that the polyacetyl resin does not impair the inherent mechanical properties. It came to.
- the present invention (A) 100 parts by weight of a polyacetal resin, and (A)
- the present invention provides a disk or tape-type shutter obtained by molding a composition containing:
- the polyacetal resin of the component (A) of the present invention is a formaldehyde monomer or its trimer (trioxane) or tetramer (tetraxan). ), Etc., which are essentially made up of oxymethylen units, and oxethylenediethylene homopolymers, and the above-mentioned raw materials, ethylene oxide, and propylene oxide.
- cyclic ethers such as pyrene oxide, epichlorohydrin, 1,3-dioxolane, glycol formal, and diglycol formal.
- it is an oxymethylene copolymer containing 0.1 to 20% by weight of oxyalkylene units having 2 to 8 carbon atoms.
- a repeating unit of a branched oxomethylene copolymer and a oxomethylene contains at least 50% by weight of a repeating unit of a branched oxomethylene copolymer and a oxomethylene, and 5 units of a heterologous polymer unit.
- oxymethylene block copolymers containing less than 0% by weight.
- the oxymethylene homopolymer and the oxymethyl It is possible to use a blend of two or more selected from rencopolymers, branching polymers, and oxyblock copolymers. .
- the flow rate (hereinafter referred to as "") of the polyester resin of the present invention is referred to as "" of the polyester resin of the present invention.
- F R (Abbreviated as F R ,,) (A S T M D 1 238-57 E condition) is preferably 20 to 100 g / 10 min. If the FR force is less than 20 g / 10 minutes, it is difficult to obtain a molded body having a skin layer thickness of 15 m or less. If the force exceeds 100 g / 10 minutes, the printability deteriorates, which is not preferable.
- the hindered amide compound of the component (B) of the present invention is preferably selected from the following two kinds of compound groups.
- the first group of preferred hindered amine compounds has the general formula:
- ⁇ represents a hydrogen atom, a hydroxyl group, an alkoxy group, Represents a sil group, an alkyl group or an acyl group.
- X is a piperidin derivative represented by the formula:
- R represents the general formula:
- the number of R contained in one molecule is determined by m and n, and the maximum value is 46 when m and n are 4 and 10 respectively.
- the hindered amide compound represented by the general formula (I) contains a large number of N-substituted 2266-tetramethyl piperidine residues in the molecule. By having this, an effect excellent in printability is exhibited.
- Y in the general formula (II) is a hydrogen atom, a hydroxyl group, an alkoxy group, an alkyl group or an acyl group. Therefore, those groups may have a substituent.
- the alkoxy group include a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group, a butoxy group, and the like.
- alkyl group examples include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an amyl group, a hexinole group, a heptyl group and an octyl group Group, 2 — ethynole hexinole group, nonyl group, annyl group, octadecinole group, benzyl group, phenylethyl group, 2 — hydroxysethyl group, 2 — Hydroxyl mouth pill group, 2—hydroxybutyl group, 2,3—epoxypropyl group, etc.
- acyl group examples include an acetyl group, a propionyl group, a butylyl group, an acrylyl group, a methacrylyl group, and an octanol group. And a benzyl group.
- X in the general formula (I) is a general formula:
- a polyvalent acyloxy group represented by the formula: This polyvalent alkoxy group has the general formula: CHC 0 0 H
- polycarboxylic acids include, but are not limited to, propane-11,2,3,1-tributylphenol, and butane-11,2,3,4-tetratetracarboxylic acid.
- Norebonic acid, pentane-1,2,3,4,5 pentacarboxylic acid, hexane-1,2,3,4,5,6—hexacarboxylic acid
- Examples include olevonic acid, but propane-1,2, '3—trinorenoleic acid and butane-11,2,2,3,4—tetranolineolenoic acid are preferred.
- a second group of preferred hindered amine compounds has the general formula
- R and R 2 are the same or different alkyl groups, and k is 1, 2 or 3;
- dimethyl, dimethylamino, carbonyl, carbonyl, alkylene, marylen or arylen Represents a dialkylene group
- R and R are the same or different alkyl groups.
- it may be a methylenol group, an ethylenol group, an isopropyl group, a dodecyl group, or the like, and R 1 and R 2 may be bonded by a carbon atom to form a ring.
- R 3 is, as described above, a monovalent acinole group, an anoalkyl group, a cycloalkyl group, an aryl group, or an aranoalkyl group. Or N-substituted carbamoinole group or a pyridin derivative represented by the chemical formula (VI). Examples of these are acetyl, propionyl, butyryl, stearyl, acryloyl, benzoyl, and phenyl.
- Noxyl cetyl group cyclohexanol group, mono-naphthoinole group, ethyl group, n-butyl group, n-butyl group Group, ethyl group, n-butyl group, octyl group, styrene group, cyclopentyl group, cyclohexinole group, cycloheptyl group, benzyl group, phenyl group Examples include a netyl group, a phenyl group, a toluene group, a naphthyl group, 2,2,6,6-tetramethylpiperidine.
- R is a diacyl group, a dicarbamoyl group, a carbonyl group, a dicanolebonyl group, an alkylene group, an arylene group.
- arylene alkylene groups examples include carbonyl, oxalinole, malonyl, adipyl, ceno'tyl, fumaryl, terephthal, and methyl.
- R is a trisyl group or an anorecanthyl group as described above, and for example, benzene-1, 1 3,5—trinolevonyl group, benzene-11,3,4—trinorenyl group, cyclohexanone 1,3,5—trinorenyl group, prono. And 1,2-, 3-hexyl groups and hexane-1,1,3,6-yl groups.
- hindered amide compound of the above component (B) examples include 4-acetoxy 2, 2, 6, 6-tetramethyl Norepiperidine, 4-stealoy noreoxy 1,2,2,6,6 — Tetramethynorpeperidine, 4—Acryloyrenorexine —2 , 2, 6, 6 — Tetramethylen biperidine, 4 — (
- the above hindered amine compounds may be used alone or in combination of two or more.
- the molecular weight of the hindered amine compound is preferably from 400 to 400, more preferably from 400 to 300.
- the amount of the hindered amine compound in the present invention is 0.01 to 3 parts by weight, preferably 0.03, based on 100 parts by weight of the polyacetyl resin. It is selected in the range of ⁇ 1.0 parts by weight. If the amount is less than 0.01 part by weight, satisfactory printability cannot be obtained. If the amount exceeds 3 parts by weight, the thermal stability decreases, and silver As a result, the appearance of the molded article becomes remarkably bad and unfavorable.
- the degree of polymerization of glycerin of the polyglycerin fatty acid ester of the component (C) of the present invention is 3 to 8. Preferably it is 5-7.
- the degree of polymerization of glycerin is defined as the number of times that the hydroxyl group at position 1 of glycerin has been dehydrated with the hydroxyl group at position 3 of other glycerin + 1, that is, This is the unit number of the unit.
- the degree of polymerization of the glycerin fatty acid ester of glycerin is 2 or less, sufficient printability cannot be obtained.
- the ratio is 9 or more, the thermal stability is reduced, and silver stroke (silver strip) is generated by the decomposition gas during the molding process, and the appearance of the molded product is remarkably deteriorated. Absent.
- the fatty acid of the polyglycerin fatty acid ester of the component (C) of the present invention may have a linear structure or a branched structure having a side chain.
- the fatty acid may be a saturated fatty acid or an unsaturated fatty acid.
- polyglycerin fatty acid ester of the component (C) of the present invention include triglyceride perdecylate and tetraglyceride perdecinoleate.
- Lauric acid triglyceride Lauric acid tetraglyceride, Lauric acid pentaglyceride, Lauric acid Kisa glyceride, lauric acid hepta glyceride, peric acid octaglyceride,
- behenic acid triglyceride behenic acid tetraglyceride, behenic acid pentaglyceride, to behenic acid Kisaglyceride, heptanoglyceride behenylate, octaglyceride behenylate,
- melicic acid triglyceride melicic acid tetraglyceride, melicic acid pentaglyceride, and melicic acid Kisaglyceride, heptaglyceride meric acid, otaglyceride melicic acid
- Ditridecinoleate Triglyceride Ditridecylate Tetrate Laglyceride, ditridecinoleic acid pentaglyceride, ditridecylic acid hexaglyceride, ditridecylic acid heptaglyceride Light, Ditridecyl octaglyceride, Dimyristinate Triglyceride, Dimyristate Tetraglyceride Pentaglyceride, dimyristate pentaglyceride, dymyristate hexaglyceride, dimyristate heptaglyceride, dimyristate Myristinate octaglyceride ',
- Pentadecylic acid triglyceride dipentatecinoleic acid tetrachloride, dipentadecinoleic acid pentaglyceride, dipentadecinoleic acid Hexaglyceride pentadecylate, heptaglyceride dipentadecylate, octaglyceride dipentadecylate,
- Zino Zino, ° Normitinic acid triglyceride, dipalmitic acid tetraglyceride, dipalmitic acid pentagliceride, gino Hexaglyceride Lumicitrate, Heptaglyceride dipalmitic acid, Octaglyceride dipalmitate, Triglyceride diheptadecylate Glyceride, diheptadecylate tetraglyceride, diheptadecylate pentaglyceride, diheptadecylate hexaglyceride, dihepta Heptaglyceride tadecylate, diheptadecinoleate octaglyceride,
- Tricarboxylic acid triglyceride Tetraglyceride dicarboxylic acid, Pentaglyceride dicarboxylic acid, Zirara Hexaglyceride, heptaglyceride, octaglyceride,
- Dicerocitrate Triglyceride Dicerocitrate Tetragliceride, Dicerocitrate Pentagliceride, Dicerotin Acid hexacylglyceride, diserotinate heptaglyceride, diserotinate octaglyceride,
- Trilauric acid triglyceride Trilauric acid test Laglyceride, trilauric acid pentagliceride, trilauric acid hexaglyceride, trilauric acid peptide Glyceride, trilauric acid octaglyceride, tritridecylic acid triglyceride, tritridecyl acid tetrate Laglyceride, tritridecinoleic acid pentaglyceride, tritridecylic acid hexaglyceride, tritridecylic acid hepta Glyceride, tritridecyl silicate glyceride,
- Trimristinate Triglyceride ' Trimristinate Tetraglyceride, Trimristate Pentaglyceride Hexaglyceride, Trilimitinate heptaglyceride, Trimristinate octaglyceride ,
- Trivanolemitic acid Triglyceride, Trino. Noremitinate Tetraglyceride, Trino, 0 Norremitinate pentaglicelide, Tripalmitic acid hexaglyride , Tripalmitic acid heptaglyceride, tripalmitic acid octaglyceride,
- Tristearate triglyceride Tristearate tetraglyceride, Tristearate pentaglyceride, Hexaglyceride tristearate, heptaglyceride tristearate, octaglyceride tristearate,
- Trinonadecanoic acid Triglyceride Trinonadecanoic acid Tetraglyceride, Trinonadecanoic acid Pentaglyceride, Trinonadeca Hexaglyceride trinitrate, heptaglyceride trinonadecanoate, octaglyceride trinonadecanoate,
- the above polyglycerin fatty acid esters may be used alone or in combination of two or more.o
- the carbon number of the fatty acid in the polyglycerin fatty acid ester is preferably from 10 to 32, and particularly preferably from 18 to 26.
- the amount of the above-mentioned polyglycerin fatty acid ester in the present invention is preferably 0.01 to 5 parts by weight with respect to 100 parts by weight of the polyacetyl resin. Is from 0.03 to: I parts by weight, more preferably from 0.05 to 0.18 parts by weight. If the amount is less than 0.01 part by weight, sufficient printability cannot be obtained. If the amount exceeds 5 parts by weight, the thermal stability is reduced, and silver stress (silver strip) is generated by a decomposition gas during molding, and the appearance of the molded article is significantly deteriorated. , Not good.
- a manufacturing method is further described in an additive commonly used in a polyacetal resin, for example, Japanese Patent Application Laid-Open No. HEI-3-234727.
- Heat stabilizer 2,2'-methylen-vis (4-methylen 6-t-butyl phenol), triethylene glycol [3-(3 1-butene 5-methyl 4-hydroxifenil ) Propionate], Pentaerythritol, Lattice [3-(3, 5-Dit-butyl-1-Hydroxyphenyl) propionate] Reinforcing agents such as antioxidants, lubricants, glass fibers, carbon fibers, potassium titanate fibers, organic fibers, etc., and permanent fillers such as glass beads, tanolek, canolecum carbonate, etc. A release agent, a plasticizer, a carbon black, a pigment and the like can be added to such an extent that the object of the present invention is not impaired.
- the thickness of the skin eyebrows of the molded article of the disk or tape cartridge of the present invention is preferably 15 zm or less.
- the thickness of the skin layer in the present invention refers to a transmission polarizing microscope using a crossed nicols obtained by slicing a cross section of a molded product into a thin section with a microtome to a thickness of 10 m.
- the thickness of the layer on the outer surface of the molded product that is free from polarized light when observed at a magnification of 34 ⁇ . If the thickness of this skin layer can be reduced, the change over time in printability can be extremely reduced. If the thickness of the skin layer exceeds 15 / zm, the change over time in printability becomes large.
- the thickness of the skin layer of the molded article of the disk or tape cartridge according to the present invention is determined by: (1) a method of controlling the crystallization time of the resin; (2) It can be obtained by a method such as selecting an appropriate molding method.
- a method to control the crystallization time of the resin Then, there is a method in which the crystallization time of the compact is set to 20 to 100 seconds.
- the crystallization time in the present invention refers to a sample of 5 mg of a polyacetal resin, which is heated by a DSC at 50 ° C. force in 320 ° C. minute to 200 ° C. Heat, hold at 200 ° C for 2 minutes, and cool down to 150 ° C in 80 minutes. This is the time (seconds) until a peak of heat generation due to crystallization of the riacetal resin is detected.
- the method of controlling the crystallization time to 20 to 100 seconds is performed by using a commonly known nucleating agent, that is, a silicate such as talc, perovskite or the like, an inorganic acid salt.
- a commonly known nucleating agent that is, a silicate such as talc, perovskite or the like, an inorganic acid salt.
- carbonate such as hydrotalcite, calcium carbonate
- organic nucleating agent such as Z or branched polyacetate copolymer.
- amide compounds such as melamine and dicyandiamin
- nitrides such as boron nitride
- zinc oxide Oxides such as titanium oxide, oxidizing sodium, magnesium oxide, etc., carbon powder such as acetylene black, conductive carbon black, nylon 6, etc.
- Powders of amide-based resins such as 6 and acrylo- amide ionic polymers, and vinyl polymer powders such as acrylamide-radical polymers. It is not particularly limited to these.
- preferred crystal nucleating agents include nitrides such as boron nitride, and nylon 6, 6, and so on.
- boron nitride has an average particle size of 1 to 10 ⁇ m, preferably 2 to 7 m and a diboron trioxide content of 0.05 to 0.7% by weight, preferably 0. It is 1 to 0.6% by weight.
- composition used for molding the disk or tape-type shutter according to the present invention include the compositions described in the scope of the patent request. Further, a composition in which 100 to 100 ppm of a nucleating agent is added to 100 parts by weight of the component (A) is preferable.
- the polyacetal resin molded article has properties other than the object of the present invention (for example, heat aging, hot water resistance, weather resistance, slidability, mold release). Properties, thermal stability during molding, thermal decomposability, etc.) may be required. Therefore, consider the compatibility between the nucleating agent and the additives other than the nucleating agent added at the same time, and It is necessary to select a nucleating agent.
- the disk or tape cartridge shutter molded body according to the present invention can be used for any surface disk or tape force. It provides effective printing properties even to a molded body, but it is a disk or tape formed by a grain that has been subjected to embossing. It has a particularly large printing effect on compacts.
- the maximum spherulite size of the resin crystals in the molded article of the disk or tape cartridge of the present invention is preferably 40 m or less.
- the maximum spherulite size in the present invention refers to the cross section of a compact.
- the spherulite diameter is clear.
- the same polarization part (same color part) is different from the other polarization parts. It is twice as large as the one with the maximum length among those that could be confirmed as particles without being connected (the maximum length of the same polarization is regarded as 1Z2 of the diameter of the spherulite).
- the more preferred maximum spherulite size is 6 to 30 m from the viewpoint of dimensional stability and printability due to aging, and more preferably 10 to 20 m.
- the disk in the present invention refers to a disk-shaped recording medium, for example, a magnetic disk coated with iron oxide particles or the like, or an optical disk on which a Te compound or the like is deposited.
- a disk-shaped recording medium for example, a magnetic disk coated with iron oxide particles or the like, or an optical disk on which a Te compound or the like is deposited.
- Te compound or the like is deposited.
- micro floppy disks, optical disks, and mini disks for example, micro floppy disks, optical disks, and mini disks.
- the tape cartridge in the present invention refers to a tape-shaped recording medium.
- a tape-shaped recording medium For example, like a disk, there is a magnetic tape and an optical tape.
- a compact cassette Such as a compact cassette (“DCC").
- a disk or tape-type shutter is a magnetic disk, a magnetic tape or an optical disk, a disk with a built-in optical tape, or a disk. This is a shutter attached to the tape cartridge to open and close the head entry window on the outer surface of the case.
- the disk or tape cartridge of the present invention is excellent in printability, and is preferably a disk or tape having little change over time in printability. This is the shutter of the tape cartridge.
- the MFD (Micro Floppy Disk) shutter is molded using a 5-ounce molding machine [TOSHIBA MACHINERY IS 100E-3A] (Condition: Mold temperature)
- the molded body was exposed to corona discharge irradiation at 100 ° C and a cooling time of 7 seconds (conditions: power: 90 watts, processing time: 0.2 seconds, discharge distance: 7 mm, discharge speed: 1 mm). Omm / sec), and ink (Tambo R 2 liquid type white (Tambo)) is pad-printed on the entire surface of a square with a surface length of 1 cm of this molded product, followed by a hardening process.
- the separation is long and wide.
- Total length of separated ink 150 mm or less, width: 0.5 mm or less
- Total length of separated ink exceeds 150 mm, width exceeds 0.5 mm
- Polyacetal copolymerized with 2.8% of ethylene oxide was synthesized by a known method described in US Pat. No. 3,027,352.
- the intrinsic viscosity of this was 1.0. (Intrinsic viscosity was measured at 60 ° C. by dissolving 0.1% by weight of a polymer in a phenol solution containing 2% by weight of alpha-pinene.) :)
- the flow rate (FR) at ASTMD 1238-57 T (E condition) is 30.0 g / I.
- a polyacetyl homopolymer powder having both acetyl groups at both ends was produced by a known method described in US Pat. No. 2,998,409. This had an intrinsic viscosity of 1.2. (Inherent viscosity The degree was measured at 60 ° C. by dissolving 0.1% by weight of the polymer in a P-clonal phenol solution containing 2% by weight of alpha-pinene. ) Also, ASTMD 1 2 3 8-5 7 T
- the FR under (E condition) was 40.0 g / 10 minutes. This polyacetal is designated as P-2.
- melt-kneading in an extruder with a single screw belt with L / D 25 set at 200 ° C (conditions: screw speed; 100 rpm, discharge 6 kg Z hr)
- the resulting pellets are dried and molded with a 5 ounce molding machine (Toshiba Machine Co., Ltd. IS 100 E-3A) to form an MFD shutter (condition: mold temperature 1).
- the printability was evaluated 1 hour after printing and 500 hours after printing. The results are described in Tables 1 and 2.
- D-1 a hindered amide compound of the general formula (I), wherein Y is a hydrogen atom, m is 2, n is 1.5, D-2:-A hindered amide compound of the general formula (I)
- Y is a methyl group, m force 2, n force 1.5,
- Y is a methyl group, m is i, n is 1.5,
- Examples 1 to 27 of the present invention have excellent initial (after 1 hour) printability.
- Examples 1 to 22 in which the nucleating agent was added in an amount of 100 to 100 ppm also showed good printability after 500 hours. It can be seen that there is little change over time in printability.
- the disk or tape cartridge shutter according to the present invention has excellent printability, and preferably has low printability over time. It is a shutter on a souq or tape cartridge. Therefore, the shutter of the present invention is a magnetic disk, a magnetic tape, an optical disk, or a disk or a tape containing an optical tape. This is useful for opening and closing the headlight window on the outside of the case of the tape cartridge.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4490104A DE4490104C2 (de) | 1993-01-18 | 1994-01-07 | Shutter für eine Platte oder eine Bandkassette mit hervorragender Bedruckbarkeit |
DE4490104T DE4490104T1 (de) | 1993-01-18 | 1994-01-07 | Shutter für eine Platte oder eine Bandkassette mit hervorragender Bedruckbarkeit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP586793A JPH06212051A (ja) | 1993-01-18 | 1993-01-18 | 印刷性に優れたポリアセタール樹脂成形体 |
JP5/5867 | 1993-01-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994016012A1 true WO1994016012A1 (en) | 1994-07-21 |
Family
ID=11622902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1994/000015 WO1994016012A1 (en) | 1993-01-18 | 1994-01-07 | Shutter for cartridges for disks or tapes of excellent printability |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH06212051A (ja) |
CN (1) | CN1041637C (ja) |
DE (2) | DE4490104C2 (ja) |
WO (1) | WO1994016012A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7419115B2 (en) | 2001-07-02 | 2008-09-02 | Fujifilm Corporation | Magnetic tape cassettes and processes for producing them |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005263927A (ja) * | 2004-03-17 | 2005-09-29 | Asahi Kasei Chemicals Corp | ポリアセタール樹脂組成物 |
JP2005263929A (ja) * | 2004-03-17 | 2005-09-29 | Asahi Kasei Chemicals Corp | 離形性に優れたポリアセタール樹脂組成物 |
JP5307735B2 (ja) * | 2010-01-07 | 2013-10-02 | 旭化成ケミカルズ株式会社 | ポリアセタール樹脂組成物及び成形体 |
JP5905219B2 (ja) * | 2011-09-13 | 2016-04-20 | 旭化成ケミカルズ株式会社 | 寸法安定性に優れるポリアセタール樹脂成形体 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56161437A (en) * | 1980-05-16 | 1981-12-11 | Lion Corp | Antistatic agent composition |
JPS60161454A (ja) * | 1984-01-31 | 1985-08-23 | Polyplastics Co | ポリアセタ−ル樹脂組成物及びその成形品 |
JPH02180951A (ja) * | 1988-12-30 | 1990-07-13 | Asahi Chem Ind Co Ltd | ポリアセタール樹脂組成物 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57128740A (en) * | 1981-02-03 | 1982-08-10 | Mitsubishi Gas Chem Co Inc | Acetal resin composition |
JPS6147744A (ja) * | 1984-08-15 | 1986-03-08 | Polyplastics Co | 耐候性ポリアセタ−ル樹脂組成物 |
-
1993
- 1993-01-18 JP JP586793A patent/JPH06212051A/ja not_active Withdrawn
-
1994
- 1994-01-07 DE DE4490104A patent/DE4490104C2/de not_active Expired - Fee Related
- 1994-01-07 DE DE4490104T patent/DE4490104T1/de active Pending
- 1994-01-07 CN CN94190002A patent/CN1041637C/zh not_active Expired - Fee Related
- 1994-01-07 WO PCT/JP1994/000015 patent/WO1994016012A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56161437A (en) * | 1980-05-16 | 1981-12-11 | Lion Corp | Antistatic agent composition |
JPS60161454A (ja) * | 1984-01-31 | 1985-08-23 | Polyplastics Co | ポリアセタ−ル樹脂組成物及びその成形品 |
JPH02180951A (ja) * | 1988-12-30 | 1990-07-13 | Asahi Chem Ind Co Ltd | ポリアセタール樹脂組成物 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7419115B2 (en) | 2001-07-02 | 2008-09-02 | Fujifilm Corporation | Magnetic tape cassettes and processes for producing them |
US7426094B2 (en) * | 2001-07-02 | 2008-09-16 | Fujifilm Corporation | Magnetic tape cassettes and processes for producing them |
Also Published As
Publication number | Publication date |
---|---|
JPH06212051A (ja) | 1994-08-02 |
CN1101209A (zh) | 1995-04-05 |
DE4490104T1 (de) | 1995-02-23 |
CN1041637C (zh) | 1999-01-13 |
DE4490104C2 (de) | 1996-06-27 |
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