WO2023063259A1 - 鉛筆又は化粧料の軸体 - Google Patents
鉛筆又は化粧料の軸体 Download PDFInfo
- Publication number
- WO2023063259A1 WO2023063259A1 PCT/JP2022/037648 JP2022037648W WO2023063259A1 WO 2023063259 A1 WO2023063259 A1 WO 2023063259A1 JP 2022037648 W JP2022037648 W JP 2022037648W WO 2023063259 A1 WO2023063259 A1 WO 2023063259A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pencil
- shaft
- cosmetic
- naturally
- material composition
- Prior art date
Links
- 239000002537 cosmetic Substances 0.000 title claims abstract description 62
- 239000000203 mixture Substances 0.000 claims abstract description 68
- 239000000463 material Substances 0.000 claims abstract description 53
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- 238000000576 coating method Methods 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000003431 cross linking reagent Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
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- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 5
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 5
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- 125000002843 carboxylic acid group Chemical group 0.000 claims description 3
- 239000002023 wood Substances 0.000 abstract description 12
- 239000004606 Fillers/Extenders Substances 0.000 abstract description 11
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 210000004709 eyebrow Anatomy 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 37
- 239000011162 core material Substances 0.000 description 26
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 12
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- 238000011156 evaluation Methods 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 5
- 241000218645 Cedrus Species 0.000 description 4
- 229920003043 Cellulose fiber Polymers 0.000 description 4
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 4
- 229920003123 carboxymethyl cellulose sodium Polymers 0.000 description 4
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- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
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- 241000157282 Aesculus Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 241000218691 Cupressaceae Species 0.000 description 2
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- 239000005445 natural material Substances 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
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- 239000000243 solution Substances 0.000 description 2
- 241000894007 species Species 0.000 description 2
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
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- 239000004711 α-olefin Substances 0.000 description 2
- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 description 1
- 235000007173 Abies balsamea Nutrition 0.000 description 1
- 244000283070 Abies balsamea Species 0.000 description 1
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- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
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- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
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- 241000722676 Calocedrus Species 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 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
- 241000721662 Juniperus Species 0.000 description 1
- 235000014556 Juniperus scopulorum Nutrition 0.000 description 1
- 235000014560 Juniperus virginiana var silicicola Nutrition 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 241000218652 Larix Species 0.000 description 1
- 235000005590 Larix decidua Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 235000000405 Pinus densiflora Nutrition 0.000 description 1
- 240000008670 Pinus densiflora Species 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 235000008691 Sabina virginiana Nutrition 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 240000007313 Tilia cordata Species 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005903 acid hydrolysis reaction Methods 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 235000013871 bee wax Nutrition 0.000 description 1
- 239000012166 beeswax Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- CXUJOBCFZQGUGO-UHFFFAOYSA-F calcium trimagnesium tetracarbonate Chemical compound [Mg++].[Mg++].[Mg++].[Ca++].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O CXUJOBCFZQGUGO-UHFFFAOYSA-F 0.000 description 1
- 239000004203 carnauba wax Substances 0.000 description 1
- 235000013869 carnauba wax Nutrition 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
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- 238000004132 cross linking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
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- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
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- 238000009826 distribution Methods 0.000 description 1
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- 150000002148 esters Chemical class 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 229910000515 huntite Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- UCNNJGDEJXIUCC-UHFFFAOYSA-L hydroxy(oxo)iron;iron Chemical compound [Fe].O[Fe]=O.O[Fe]=O UCNNJGDEJXIUCC-UHFFFAOYSA-L 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000001023 inorganic pigment Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- 235000019808 microcrystalline wax Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- 239000008104 plant cellulose Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000012763 reinforcing filler Substances 0.000 description 1
- 235000001520 savin Nutrition 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 229940005550 sodium alginate Drugs 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229940032094 squalane Drugs 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical class [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
- A61Q1/04—Preparations containing skin colorants, e.g. pigments for lips
- A61Q1/06—Lipsticks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q1/00—Make-up preparations; Body powders; Preparations for removing make-up
- A61Q1/02—Preparations containing skin colorants, e.g. pigments
- A61Q1/10—Preparations containing skin colorants, e.g. pigments for eyes, e.g. eyeliner, mascara
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
- B43K19/14—Sheathings
Definitions
- This specification relates to a pencil lead or cosmetic shaft that has the same ease of sharpening, drop resistance, and water resistance as conventional wooden shafts, and that can be easily manufactured with less environmental impact.
- Protrusions and grooves are alternately and integrally formed along the axial direction on the rod-shaped outer peripheral surface of a core material containing a thermoplastic resin, a lubricant, and graphite or pigment, and the outside of the core material.
- a shaft material containing a thermoplastic resin, cellulose fibers and a foaming agent is formed so as to be in close contact with the uneven surface of the core material, and part of the cellulose fibers in the shaft material is a rod-shaped core material
- a pencil characterized in that it is mixed into the uneven part of the outer peripheral surface in a bite-like manner see, for example, Patent Document 1), 2) Fine cellulose-based granules that have undergone a grinding treatment in order to provide a pencil that can be sharpened with a pencil sharpener and that can be produced at low cost because the shaft is excellent in workability. is mixed with a resin, the mixture is molded by extrusion or injection molding, and the molded body is formed into the shape of a pencil shaft, and a lead is inserted into the shaft obtained (see, for example, Patent Document 2). ,
- a synthetic shaft to replace wooden shafts it has excellent physical properties such as rigidity, machinability, oil penetration resistance, etc., and has a good feeling of use.
- a starch ester obtained by substituting a short-chain acyl group and a long-chain acyl group for the hydrogen of the reactive hydroxyl group of the same starch molecule.
- a hollow cylindrical biodegradable pencil-shaped synthetic shaft for cosmetics (see, for example, Patent Document 3), which is molded using a biodegradable thermoplastic material comprising a reinforcing filler as a base material; 4)
- a pencil characterized in that the surface of a wooden shaft is coated with a foamed resin coating layer formed of a thermally foamable resin (see, for example, Patent Document 4); etc. are known.
- Patent Documents 1 to 4 there is still a large burden on the environment, and if an attempt is made to manufacture a product with a small burden on the environment, there are problems such as deterioration of easy machinability, drop resistance, water resistance, etc. The current situation was that there was a problem.
- the present disclosure aims to solve the above-mentioned conventional problems, etc., and has the same ease of cutting, drop resistance, and water resistance as conventional wooden shafts, has less burden on the environment, and is easy to manufacture. It is an object of the present invention to provide a pencil lead or a shaft of a stick-shaped cosmetic that can be used.
- a pencil or cosmetic shaft body obtained by coating a pencil lead or a rod-shaped cosmetic material with a shaft material composition, wherein the shaft material composition is
- the present inventors have found that the pencil or cosmetic shaft for the above purpose can be obtained by containing at least a specific filler and binder, and have completed the present disclosure.
- the pencil or cosmetic shaft of the present disclosure is a pencil or cosmetic shaft obtained by coating a pencil core or a rod-shaped cosmetic with a shaft material composition, wherein the shaft material composition comprises: It is characterized by containing at least a naturally-derived extender and a naturally-derived binder. It is preferable that the shaft material composition has a natural origin index (water-free) of 75% or more. It is preferable that the shaft material composition further contains carboxymethyl cellulose or a salt thereof as a naturally occurring binder, or a cross-linking agent having a carboxylic acid group that ester-crosslinks the binder.
- a pencil of the present disclosure is a pencil comprising at least a pencil core and a shaft formed by covering and molding the pencil core, wherein the shaft is the shaft having the above configuration
- a stick-shaped cosmetic of the present disclosure is a stick-shaped cosmetic comprising at least a stick-shaped cosmetic and a shaft formed by covering and molding the stick-shaped cosmetic, wherein the shaft has the above configuration.
- a pencil lead or cosmetic shaft that has the same ease of sharpening and drop resistance as a conventional wooden shaft, has less load on the environment, and can be easily manufactured, and this It is possible to provide pencils, stick-shaped cosmetics, and the like with shafts.
- the objects and advantages of the disclosure may be realized and obtained by means of the elements and combinations particularly pointed out in the claims. Both the foregoing general description and the following detailed description are exemplary and explanatory and are not limiting of the disclosure as claimed.
- the pencil or cosmetic shaft of the present disclosure is a pencil or cosmetic shaft obtained by coating a pencil core or a rod-shaped cosmetic with a shaft material composition, wherein the shaft material composition is at least natural It is characterized by containing a derived extender and a naturally derived binder.
- Examples of the naturally-derived extender used in the present disclosure include sawdust, wood flour, powdered cellulose, and naturally-derived inorganic powder obtained from naturally-derived wood and the like.
- the sawdust that can be used includes those derived from hardwoods and those derived from softwoods, and is not particularly limited.
- Specific species of sawdust used in the present disclosure include cedar, pine, larch, Japanese red pine, Sakhalin fir, cypress, beech, horse chestnut, konara, oak, oak, linden, birch, elm, lauan, and hemlock.
- cedar, cypress sapwood, beech, horse chestnut, and mizunara oak are preferably used.
- waste generated during the production of these lumbers may be effectively utilized.
- at least one of these sawdusts can be used (even if it is one, two or more of them are combined, and the same applies hereinafter).
- the size of the sawdust it is desirable that the average particle size is 10 mesh or more from the viewpoint of dispersibility and formability, etc., and from the viewpoint of the energy cost required for pulverization, etc., it is used within the range of 200 mesh or less. is desirable.
- the wood powder that can be used for example, at least one kind of wood powder obtained from each tree species exemplified in the above sawdust, wood powder obtained from the above sawdust or waste wood, sander powder, etc. can be used.
- the upper limit of the average particle size of the wood flour is preferably 2000 ⁇ m or less, and the lower limit is preferably 100 ⁇ m or more. can be anything.
- the average particle size in the present disclosure can be a value measured according to a laser diffraction/scattering method.
- the powdery cellulose that can be used, cellulose powder obtained by finely pulverizing naturally occurring plant cellulose fibers is preferable, and the average particle size thereof is 100 ⁇ m or less, preferably in the range of 10 to 50 ⁇ m.
- the powdered cellulose for example, crystalline cellulose powder having a certain particle size distribution is used, which is produced by purifying, drying, pulverizing, and sieving the undegraded residue obtained after acid hydrolysis of selected pulp.
- At least one of talc, calcium carbonate, huntite, kaolin, sericite, bentonite, titanium oxide, and the like can be used as the naturally-derived inorganic powder.
- the upper limit of the average particle size of these inorganic powders is preferably 50 ⁇ m or less, and the lower limit is preferably 1 ⁇ m, for example.
- the content of these naturally occurring filler materials is preferably 60 to 90% by mass, more preferably 70 to 80% by mass, based on the total amount of the shaft material composition.
- the content of the naturally-derived extender is 60% by mass or more, usable machinability can be obtained, and when the content is 90% by weight or less, usable strength can be obtained.
- the inorganic powder accounts for 60% by mass or less, so that the drop resistance of the shaft is improved, and when it is used as a pencil or cosmetic, it can be used as a pencil lead or a stick-shaped cosmetic. It is possible to prevent damage inside the material.
- Naturally derived binders used in the present disclosure include cellulose fibers (including nanofibers), methylcellulose or salts thereof, carboxymethylcellulose or salts thereof, hydroxymethylpropylcellulose or salts thereof, cellulose acetate or salts thereof, sodium alginate, and the like. At least one type can be used. Salts of each of the above celluloses include sodium, ammonium, calcium and the like. These binders are preferably water-soluble, and more preferably carboxymethylcellulose ammonium from the viewpoint of imparting water resistance.
- the content of these naturally derived binders is preferably 10 to 40% by mass, more preferably 20 to 30% by mass, relative to the total amount of the shaft material composition.
- the binder in addition to the above-mentioned naturally-derived extender and naturally-derived binder, the binder is crosslinked in order to further exhibit the effects of the present disclosure and to impart water resistance.
- a cross-linking agent and the like may be further included.
- the cross-linking agent for cross-linking the binder preferably has a carboxylic acid group that ester-crosslinks the binder. Specifically, succinic acid, malic acid, maleic acid, tartaric acid, citric acid, polyacrylic acid, etc. mentioned.
- the content of these cross-linking agents is preferably 0.1 to 0.1 to the total amount of the shaft material composition, from the viewpoints of developing water resistance, suppressing a decrease in strength due to moisture absorption, and suppressing discoloration of the material. 5% by mass, more preferably 0.5 to 2% by mass.
- the shaft material composition of the present disclosure contains, in addition to the above-mentioned naturally-derived filler, naturally-derived binder, and cross-linking agent, if necessary, a coloring agent (dye, inorganic pigment, etc.) for coloring the shaft.
- a coloring agent for coloring the shaft.
- organic pigments organic pigments
- iron oxide zinc oxide
- carbon black natural pigments, and the like can be contained as appropriate.
- These shaft body material compositions preferably have a natural origin index (not including water) of 75% or more in terms of further exerting the effects of the present disclosure and reducing the load on the environment.
- This "naturally derived index (not including water)" refers to the index display according to ISO 16128, and this naturally derived index (not including water) is 75% or more, more preferably 85% or more.
- the naturally-derived index (not including water) of the shaft material composition of 75% or more can be achieved by appropriately selecting the naturally-derived extender and the naturally-derived binder described above.
- the shaft of the pencil or cosmetic of the present disclosure is prepared by mixing a blended composition composed of the above-mentioned naturally-derived extender, naturally-derived binder, etc. with a kneader such as a Henschel mixer, a planetary mixer, or a kneader.
- a kneader such as a Henschel mixer, a planetary mixer, or a kneader.
- the kneaded product is molded into a round bar or plate using a die of a predetermined diameter using an extruder or the like, or a T die, etc., and dried to produce a molded body obtained, and these are processed.
- a pencil or cosmetics can also be obtained by inserting a pencil lead or cosmetics into the container.
- the physical properties of the shaft can be controlled over a wide range by adjusting the pressing pressure, moisture content, and combination of naturally-derived fillers and binders during extrusion molding, etc., satisfying the desired texture, strength, and moldability of the shaft.
- a shaft suitable for a pencil or cosmetics that can be made is obtained.
- the composition, form, and the like of the pencil lead coated with the shaft material composition are not particularly limited. ) and the like.
- baked pencil cores include coloring components such as graphite, vinyl chloride resin, vinylidene chloride resin, vinyl acetate resin, chlorinated polyethylene, polyvinyl alcohol, acrylamide resin, chlorinated paraffin resin, phenol resin, furan resin, urea resin, Organic binders such as butyl rubber, plasticizers such as phthalates, solvents such as methyl ethyl ketone and water, stabilizers such as stearates, lubricants such as stearic acid, fillers such as carbon black, etc.
- Oils and waxes such as silicone oil, liquid paraffin, spindle oil, squalane, ⁇ -olefin oligomer, etc. are added to the core body obtained by dispersing, kneading, extruding into thin wires, and heat-treating to the firing temperature. and baked pencil lead impregnated with.
- composition, form, etc. of the rod-shaped cosmetic coated with the shaft material composition are not particularly limited.
- cosmetics obtained by kneading waxes and clays such as fats, waxes, fatty acids, and hydrocarbons, coloring agents, and extenders as binders, and molding them into rods. It may be a stick-shaped cosmetic, a non-burning type stick-shaped cosmetic, or the like.
- the pencil lead or cosmetic shaft body of the present disclosure configured in this way has the same ease of sharpening, drop resistance, and water resistance as conventional wooden shafts, has less environmental load, and can be used as a conventional pencil. Since the molding machine used for molding the cosmetic can be used without modification, a pencil lead or a cosmetic shaft which can be easily manufactured can be obtained.
- the pencil of the present disclosure is characterized in that at least the shaft body formed by coating and molding the above-described pencil core is the shaft body having the above configuration, and the stick-shaped cosmetic of the present disclosure includes at least the above-described stick-shaped cosmetic. It is characterized in that the shaft formed by covering molding is the shaft having the above structure.
- pencil lead and rod-shaped cosmetics can be molded into any shape, for example, a circular cross-sectional shape (including an ellipse), a polygonal shape such as a triangular shape or a hexagonal shape, a tubular shape, etc. By various processing methods such as coating molding and cutting, pencils and bar-shaped cosmetics of various shapes can be obtained.
- EXAMPLES The present disclosure will be described below using Examples and Comparative Examples, but the present disclosure is not limited to these Examples.
- pencil leads of Examples 1 to 8 and Comparative Example 1 pencil leads obtained by the following method were used. 60% by mass of graphite and 40% by mass of clay were dry-mixed with a mixing Henschel mixer, and then kneaded with purified water so that the moisture content was 40%. The resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 30%.
- Example 1 Hunt's stone powder (average particle size 2 ⁇ m) 90% by mass Cellulose powder (average particle size 45 ⁇ m) 10% by mass
- the natural origin index (not including water) of this shaft material composition was 100.0%.
- purified water was added so that the moisture content was 40%, and the mixture was kneaded.
- the resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 30%.
- a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material. This molded body was dried in an environment of 60° C. to obtain a pencil.
- Example 2 Cedar wood sawdust (16 mesh) 70% by mass Carboxymethylcellulose sodium 30% by mass
- the natural origin index (not including water) of this shaft material composition was 92.5%.
- purified water was added so that the moisture content was 50%, and the mixture was kneaded.
- the resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 40%.
- a hydraulic plunger-type extruder a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material. This molded body was dried in an environment of 60° C. to obtain a pencil.
- Example 3 Talc (average particle size 8 ⁇ m) 40% by mass Cedar wood sawdust (16 mesh) 40% by mass Carboxymethylcellulose sodium 20% by mass
- the natural origin index (not including water) of this shaft material composition was 95.0%.
- purified water was added so that the moisture content was 50%, and the mixture was kneaded.
- the resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 40%.
- a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material. This molded body was dried in an environment of 60° C. to obtain a pencil.
- Example 4 Talc (average particle size 8 ⁇ m) 30% by mass Cellulose powder (average particle size 45 ⁇ m) 60% by mass Carboxymethylcellulose sodium 10% by mass
- the natural origin index (not including water) of this shaft material composition was 97.5%. After dry-mixing the above compounded composition with a Henschel mixer, purified water was added so that the moisture content was 50%, and the mixture was kneaded. The resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 40%.
- a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material. This molded body was dried in an environment of 60° C. to obtain a pencil.
- Example 5 Talc (average particle size 8 ⁇ m) 30% by mass Cellulose powder (average particle size 45 ⁇ m) 60% by mass Carboxymethylcellulose ammonium 10% by mass
- the natural origin index (not including water) of this shaft material composition was 97.5%.
- purified water was added so that the moisture content was 50%, and the mixture was kneaded.
- the resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 40%.
- a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material.
- This molded body was dried in an environment of 60° C. and heated at 180° C. to render the binder water-insoluble, thereby obtaining a pencil.
- Example 6 Talc (average particle size 8 ⁇ m) 30% by mass Cellulose powder (average particle size 45 ⁇ m) 60% by mass Carboxymethylcellulose sodium 10% by mass
- the natural origin index (not including water) of this shaft material composition was 97.5%.
- a 5% aqueous succinic acid solution was added so as to give a moisture content of 50%, and the mixture was kneaded.
- the resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 40%.
- a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material. After drying the molded product in an environment of 60° C., the molded product was heated at 180° C. to crosslink the binder to obtain a pencil.
- Example 7 Talc (average particle size 8 ⁇ m) 30% by mass Cellulose powder (average particle size 45 ⁇ m) 60% by mass Methyl cellulose 10% by mass
- the natural origin index (not including water) of this shaft material composition was 97.5%. After dry-mixing the above compounded composition with a Henschel mixer, purified water was added so that the moisture content was 50%, and the mixture was kneaded. The resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 40%.
- a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material. This molded body was dried in an environment of 60° C. to obtain a pencil.
- Example 8 Talc (average particle size 8 ⁇ m) 30% by mass Cellulose powder (average particle size 45 ⁇ m) 60% by mass Methyl cellulose 10% by mass
- the natural origin index (water-free) of this shaft material composition was 97.5%.
- a 5% aqueous succinic acid solution was added so as to give a moisture content of 50%, and the mixture was kneaded.
- the resulting slurry was kneaded while being heated and degassed to obtain a clay-like mixture having a moisture content of about 40%.
- a die with a diameter of 9.0 mm was used to coat the outer circumference of a pencil core with a diameter of 2.0 mm and a hardness of HB with the material. After drying the molded product in an environment of 60° C., the molded product was heated at 180° C. to crosslink the binder to obtain a pencil.
- Example 9 ⁇ Preparation of solid cosmetics> Beeswax 20 parts Ozokerite 10 parts Microcrystalline wax 10 parts Carnauba wax 8 parts Vaseline 7 parts Lanolin 5 parts Liquid paraffin 7 parts Isopropyl myristate 4 parts Dissolve the above ingredients and add 10 parts iron black and 19 parts red iron oxide. (100 parts in total), stirred and dispersed, kneaded with a mixer, cooled to room temperature, and extruded to obtain a 2.0 mm dark brown solid cosmetic.
- Pencil a pencil obtained by cutting an incense cedar plate that has been impregnated with paraffin wax at a weight ratio of 2% and coated with a pencil core with a diameter of 2.0 mm and a hardness of HB
- Comparative example 2 It is a pencil that uses a known regenerated natural material, and since it uses a thermoplastic resin as a binding material, it uses a non-natural material. It consists of the following composition, and the natural origin index is 70.0%.
- the naturally derived index (not including water) of the shafts of Examples 1 to 9 and Comparative Examples 1 and 2 is determined by the weight ratio of the raw materials blended in the shafts excluding the core, as defined in ISO 16128. It is obtained by calculating the composition ratio in percentage using the weight of the naturally-derived portion in the naturally-derived raw material, excluding water. The higher this value, the higher the ratio of animal- or plant-derived materials and the less the amount of petroleum-derived materials used, so it can be shown that the load on the environment is small.
- Examples 1 to 9 within the scope of the present disclosure have the same easy machinability as the conventional Comparative Examples 1 and 2, but have less environmental load. It has been confirmed that it can be easily manufactured.
- Examples 2 to 9 while maintaining a high index of natural origin, by setting the proportion of inorganic powder in the extender to 60% or less, free fall was performed 10 times from a height of 75 cm onto a concrete floor. As a result of evaluation, no breakage was found in the pencil or cosmetic body, pencil lead or stick-shaped cosmetic, confirming that they have sufficient drop resistance. Furthermore, in Examples 5, 6, and 8, water resistance ( When a pencil manufactured in purified water was evaluated for water resistance after being immersed in purified water for 24 hours, it was confirmed that the pencil did not disintegrate, demonstrating sufficient water resistance.
- a pencil or cosmetic shaft suitable for pencil cores including colored pencil cores
- rod-shaped cosmetics such as eyeliner, eyebrow, and eyeshadow
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Cosmetics (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
ところで、近年では森林伐採などの乱伐により減少しつつあり、このような状況から環境破壊の問題が注目され、レッドシダーなどもその入手が困難等となり、代替材料の開発が行われている。
1) 熱可塑性樹脂と潤滑剤及び黒鉛あるいは顔料を含んだ芯材の棒状外周面に、軸方向に沿って凸条及び凹条を交互に連続して一体的に形成し、該芯材の外側には該芯材の凹凸面に密着する如くして熱可塑性樹脂とセルロース繊維質及び発泡剤を含んだ軸材を形成し、かつ該軸材中のセルロース繊維質の一部が芯材の棒状外周面の凹凸部に喰い込み状に混入するようにしたことを特徴とする鉛筆(例えば、特許文献1参照)、
2) 鉛筆削りで削っても全く支障なく、しかも、この軸が加工性に優れていることから安価に製造し得る、鉛筆を提供するために、磨砕処理が施されてなるセルロース系微粉粒が樹脂に混合され、混合物が押出もしくは射出成形により成形され、さらにこの成形体が鉛筆の軸状に形成されて得られた軸中に、芯が挿通された鉛筆(例えば、特許文献2参照)、
4) 木製の軸の表面が熱発泡性樹脂で形成された発泡樹脂コート層で被覆されていることを特徴とする鉛筆(例えば、特許文献4参照)、
などが知られている。
前記軸体材料組成物が自然由来指数(水を含まない)75%以上であることが好ましい。
前記軸体材料組成物には、更に自然由来の結合材がカルボキシメチルセルロース又はその塩であること、もしくは結合材をエステル架橋するカルボン酸基を有する架橋剤を含有することが好ましい。
本開示の鉛筆は、少なくとも、鉛筆芯と、該鉛筆芯を被覆成形してなる軸体とを備えた鉛筆であって、前記軸体が上記構成の軸体であることを特徴とし、また、本開示の棒状化粧品は、少なくとも、棒状化粧料と、該棒状化粧料を被覆成形してなる軸体とを備えた棒状化粧品であって、前記軸体が上記構成の軸体であることを特徴とする。
本開示の目的及び効果は、特に請求項において指摘される構成要素及び組み合わせを用いることによって認識され且つ得られるものである。上述の一般的な説明及び後述の詳細な説明の両方は、例示的及び説明的なものであり、特許請求の範囲に記載されている本開示を制限するものではない。
用いることができるおが屑としては、広葉樹材由来のものも針葉樹材由来のものも用いられ、特に限定されない。本開示で用いられるおが屑の具体的な樹種としては、スギ、マツ、カラマツ、アカマツ、トドマツ、ヒノキ、ブナ、トチ、コナラ、ミズナラ、ナラ、シナノキ、カンバ、ハルニレ、ラワン、ベイツガ等が挙げられる。特に、スギ、ヒノキ辺材、ブナ、トチ、ミズナラなどが好適に用いられる。また、これらの木材を製造する際に発生する廃棄物を有効利用してもよい。更に、これらのおが屑は、少なくとも1種(1種であっても、2種以上を組み合わせ、以下同様)を用いることができる。
おが屑の大きさは、分散性、成形性の点などから、平均粒径が10メッシュ以上であることが望ましく、更には粉砕にかかるエネルギーコストの点などから200メッシュ以下の範囲内のものを用いることが望ましい。
これらの無機粉体の平均粒径の上限としては、例えば50μm以下が好ましく、下限としては、例えば1μmが好ましい。
また、これら自然由来の体質材のうち、無機粉体が占める割合は60質量%以下であることにより、軸体の落下耐性を向上し、鉛筆又は化粧料とした場合に、鉛筆芯又は棒状化粧料の内部での破損を防ぐことが可能となる。
これらの結合材は水溶性であることが好ましく、更には耐水性を付与する点から、カルボキシメチルセルロースアンモニウムであることが好ましい。
この自然由来の結合材の含有量を10質量%以上とすることにより、使用可能な強度となり、40質量%以下とすることにより、使用可能な切削性とすることができる。
前記結合材を架橋する架橋剤としては、結合材をエステル架橋するカルボン酸基を有するものが好ましく、具体的には、コハク酸、リンゴ酸、マレイン酸、酒石酸、クエン酸、ポリアクリル酸などを挙げられる。
これらの架橋剤の含有量は、軸体材料組成物全量に対して、耐水性発現の点、吸湿による強度低下を抑制する点、材料の変色を抑制する点から、好ましくは、0.1~5質量%、更に好ましくは、0.5~2質量%とすることが望ましい。
この「自然由来指数(水を含まない)」とは、ISO 16128に係る指数表示をいい、この自然由来指数(水を含まない)が75%以上、更に好ましくは、85%以上とすることにより、更に、環境に対して負荷がきわめて少ない、鉛筆芯又は化粧料の軸体が得られることとなる。
この軸体材料組成物の自然由来指数(水を含まない)を75%以上とすることは、前述した自然由来の体質材、自然由来の結合材を適宜選択して達成することができる。
本開示では、鉛筆芯、棒状化粧料を、任意の形状、例えば、断面形状が円形状(楕円を含む)、三角形状や六角形状などの多角形形状、管形状などに成形可能であるため、被覆成形、切削加工などの種々の加工方法により、各形状等の鉛筆、棒状化粧品とすることができる。
実施例1~8及び比較例1の鉛筆芯は、下記製法により得た鉛筆芯を用いた。
黒鉛60質量%、粘土40質量%を混合ヘンシェルミキサーで乾式混合した後、水分率40%となるように精製水を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を30%程度とした粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径2.5mmのダイスにて成形し、この成形体を60℃環境下にて乾燥した後、800~1400℃で、12~24時間焼成し、直径2.0mmの芯体を得た。得られた芯体に、α-オレフィンオリゴマーを含浸させ、直径2.0mm、硬度HBの鉛筆芯を得た。
ハント石粉末(平均粒径2μm) 90質量%
セルロース粉末(平均粒径45μm) 10質量%
この軸体材料組成物の自然由来指数(水を含まない)は100.0%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率40%となるように精製水を加え混練を行った。
得られたスラリーを加温、脱気を行いながら混練を行い、水分率を30%程度とした粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。
この成形体を60℃環境下にて乾燥し、鉛筆を得た。
スギ系木材おが屑(16メッシュ) 70質量%
カルボキシメチルセルロースナトリウム 30質量%
この軸体材料組成物の自然由来指数(水を含まない)は92.5%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるように精製水を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。この成形体を60℃環境下にて乾燥し、鉛筆を得た。
タルク(平均粒径8μm) 40質量%
スギ系木材おが屑(16メッシュ) 40質量%
カルボキシメチルセルロースナトリウム 20質量%
この軸体材料組成物の自然由来指数(水を含まない)は95.0%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるように精製水を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした、粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。この成形体を60℃環境下にて乾燥し、鉛筆を得た。
タルク(平均粒径8μm) 30質量%
セルロース粉末(平均粒径45μm) 60質量%
カルボキシメチルセルロースナトリウム 10質量%
この軸体材料組成物の自然由来指数(水を含まない)は97.5%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるように精製水を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした、粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。この成形体を60℃環境下にて乾燥し、鉛筆を得た。
タルク(平均粒径8μm) 30質量%
セルロース粉末(平均粒径45μm) 60質量%
カルボキシメチルセルロースアンモニウム 10質量%
この軸体材料組成物の自然由来指数(水を含まない)は97.5%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるように精製水を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした、粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。この成形体を60℃環境下にて乾燥し、180℃にて加熱して結合材を非水溶化し、鉛筆を得た。
タルク(平均粒径8μm) 30質量%
セルロース粉末(平均粒径45μm) 60質量%
カルボキシメチルセルロースナトリウム 10質量%
この軸体材料組成物の自然由来指数(水を含まない)は97.5%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるように5%コハク酸水溶液を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。この成形体を60℃環境下にて乾燥した後、180℃にて加熱して結合材を架橋し、鉛筆を得た。
タルク(平均粒径8μm) 30質量%
セルロース粉末(平均粒径45μm) 60質量%
メチルセルロース 10質量%
この軸体材料組成物の自然由来指数(水を含まない)は97.5%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるように精製水を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした、粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。この成形体を60℃環境下にて乾燥し、鉛筆を得た。
タルク(平均粒径8μm) 30質量%
セルロース粉末(平均粒径45μm) 60質量%
メチルセルロース 10質量%
この軸体材料組成物の自然由来指数(水を含まない)97.5%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるように5%コハク酸水溶液を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした、粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、直径2.0mm、硬度HBの鉛筆芯外周に材料を被覆した。この成形体を60℃環境下にて乾燥した後、180℃にて加熱して結合材を架橋し、鉛筆を得た。
〈固形化粧料の調製〉
ミツロウ 20部
オゾケライト 10部
マイクロクリスタリンワックス 10部
カルナバロウ 8部
ワセリン 7部
ラノリン 5部
流動パラフィン 7部
ミリスチン酸イソプロピル 4部
上記の配合材料を溶解し、これに鉄黒10部と弁柄19部を加えて(全量100部)、撹拌、分散後にミキサーで混練、室温まで冷却した押出成形機により2.0mmの茶褐色の固形化粧料を得た。
セルロース粉末(平均粒径45μm) 60質量%
メチルセルロース 10質量%
上記の軸体材料組成物の自然由来指数(水を含まない)97.5%であった。
上記配合組成物をヘンシェルミキサーで乾式混合した後、水分率50%となるよう精製水を加え混練を行った。得られたスラリーを加温、脱気を行いながら混練を行い、水分率を40%程度とした、粘土状の混合物を得た。これを油圧プランジャー式押出成形機を用いて、直径9.0mmのダイスにて、上記の直径2.0mmの固形化粧料を被覆した。この成形体を60℃環境下にて乾燥し、棒状化粧品を得た。
鉛筆(重量比2%のパラフィンワックス含浸処理が施されたインセンスシダー板材を切削加工し、上記直径2.0mm、硬度HBの鉛筆芯を被覆した鉛筆)
公知の再生天然素材を使用した鉛筆であり、結合材としては熱可塑性樹脂を使用しているため、非自然由来の素材が使用されている。下記組成からなり、自然由来指数は70.0%である。
ポリプロピレン(PP) 20質量%
木粉 70質量%
無水マレイン酸がグラフトしたポリプロピレン 1質量%
アミドワックス 3質量%
ステアリン酸 1質量%
窒化ホウ素 5質量%
これらの結果を下記表1に示す。
実施例1~9及び比較例1~2の軸体の自然由来指数(水を含まない)は芯を除いた軸材に配合した原料の重量比より、ISO 16128に定義された、自然原料および自然由来原料中の自然由来部分の、水を含まない重量を用いて組成比を百分率で算出することにより求められる。この値が高いほど、動物や植物由来の材料比率が高く、石油由来材料の使用量が少ないことから、環境への負荷が小さいと示すことができる。
実施例1~9及び比較例1~2の鉛筆について、鉛筆削りを利用して先端を直径2mmに整えた後、回転モーメント測定装置に連結した固定治具に設置された鉛筆削りを使用して、鉛筆削りと反対側を手で回転させ、芯が尖るまで切削を行った。この間の回転モーメントのピーク値を測定し、下記評価基準で易削り性(切削性)の評価とした。この値が0.1N未満であれば容易に切削可能であり、0.2N・mを超えると硬く、切削が難しいと言える。
評価基準:
○:容易に削れる(0.1N・m未満)
△:削れる(0.1N・m以上0.2N・m未満)
×:削りにくい(0.2N・m以上)
Claims (6)
- 鉛筆芯又は棒状化粧料を軸体材料組成物により被覆してなる鉛筆又は化粧料の軸体であって、前記軸体材料組成物が、少なくとも自然由来の体質材と自然由来の結合材とを含有することを特徴とする鉛筆又は化粧料の軸体。
- 前記軸体材料組成物は自然由来指数(水を含まない)が75%以上であることを特徴とする請求項1記載の鉛筆又は化粧料の軸体。
- 前記自然由来の結合材がカルボキシメチルセルロース又はその塩であることを特徴とする請求項1又は2に記載の鉛筆又は化粧料の軸体。
- 前記軸体材料組成物には、更に結合材をエステル架橋するカルボン酸基を有する架橋剤を含有することを特徴とする請求項1又は2に記載の鉛筆又は化粧料の軸体。
- 少なくとも、鉛筆芯と、該鉛筆芯を被覆成形してなる軸体とを備えた鉛筆であって、前記軸体が請求項1又は2に記載の軸体であることを特徴とする鉛筆。
- 少なくとも、棒状化粧料と、該棒状化粧料を被覆成形してなる軸体とを備えた棒状化粧品であって、前記軸体が請求項1又は2に記載の軸体であることを棒状化粧品。
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CN202280068114.2A CN118139748A (zh) | 2021-10-15 | 2022-10-07 | 铅笔或化妆料的轴体 |
EP22880954.7A EP4417439A1 (en) | 2021-10-15 | 2022-10-07 | Shaft body of pencil or cosmetic |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60204399A (ja) | 1984-03-30 | 1985-10-15 | 東出 英一 | 鉛筆 |
JPH0596899A (ja) * | 1991-06-13 | 1993-04-20 | Lydall Inc | 剛性フアイバーボード |
JPH06255296A (ja) | 1993-03-05 | 1994-09-13 | Misawa Homes Co Ltd | 鉛 筆 |
JP2001192502A (ja) | 2000-01-13 | 2001-07-17 | Tokiwa Corp | 生分解性鉛筆型化粧品用合成軸およびその製造方法 |
JP2002529273A (ja) * | 1998-11-11 | 2002-09-10 | フラウンホファー・ゲゼルシャフト・ツール・フォルデルング・デル・アンゲバンテン・フォルシュング・アインゲトラーゲネル・フェライン | 棒状の複合部の製造方法および棒状の複合部 |
US20100003061A1 (en) * | 2006-09-29 | 2010-01-07 | Thies Andreas | Writing, drawing, painting and /or cosmetics pencil and method of producing the same |
JP2014019042A (ja) | 2012-07-18 | 2014-02-03 | Mitsubishi Pencil Co Ltd | 鉛筆 |
JP2021520307A (ja) * | 2018-04-04 | 2021-08-19 | ストラ エンソ オーワイジェイ | 熱成形用の乾式(dry−laid)マットを製造する方法 |
-
2021
- 2021-10-15 JP JP2021169429A patent/JP2023059431A/ja active Pending
-
2022
- 2022-10-07 WO PCT/JP2022/037648 patent/WO2023063259A1/ja active Application Filing
- 2022-10-07 CN CN202280068114.2A patent/CN118139748A/zh active Pending
- 2022-10-07 EP EP22880954.7A patent/EP4417439A1/en active Pending
- 2022-10-07 AU AU2022363037A patent/AU2022363037A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60204399A (ja) | 1984-03-30 | 1985-10-15 | 東出 英一 | 鉛筆 |
JPH0596899A (ja) * | 1991-06-13 | 1993-04-20 | Lydall Inc | 剛性フアイバーボード |
JPH06255296A (ja) | 1993-03-05 | 1994-09-13 | Misawa Homes Co Ltd | 鉛 筆 |
JP2002529273A (ja) * | 1998-11-11 | 2002-09-10 | フラウンホファー・ゲゼルシャフト・ツール・フォルデルング・デル・アンゲバンテン・フォルシュング・アインゲトラーゲネル・フェライン | 棒状の複合部の製造方法および棒状の複合部 |
JP2001192502A (ja) | 2000-01-13 | 2001-07-17 | Tokiwa Corp | 生分解性鉛筆型化粧品用合成軸およびその製造方法 |
US20100003061A1 (en) * | 2006-09-29 | 2010-01-07 | Thies Andreas | Writing, drawing, painting and /or cosmetics pencil and method of producing the same |
JP2014019042A (ja) | 2012-07-18 | 2014-02-03 | Mitsubishi Pencil Co Ltd | 鉛筆 |
JP2021520307A (ja) * | 2018-04-04 | 2021-08-19 | ストラ エンソ オーワイジェイ | 熱成形用の乾式(dry−laid)マットを製造する方法 |
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AU2022363037A1 (en) | 2024-04-11 |
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