JP2021084400A - 消去部材を備える筆記具 - Google Patents
消去部材を備える筆記具 Download PDFInfo
- Publication number
- JP2021084400A JP2021084400A JP2019216720A JP2019216720A JP2021084400A JP 2021084400 A JP2021084400 A JP 2021084400A JP 2019216720 A JP2019216720 A JP 2019216720A JP 2019216720 A JP2019216720 A JP 2019216720A JP 2021084400 A JP2021084400 A JP 2021084400A
- Authority
- JP
- Japan
- Prior art keywords
- erasing member
- cap
- styrene
- writing tool
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- YCTDZYMMFQCTEO-UHFFFAOYSA-N 3-octene Chemical compound CCCCC=CCC YCTDZYMMFQCTEO-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- KZJIOVQKSAOPOP-UHFFFAOYSA-N 5,5-dimethylhex-1-ene Chemical compound CC(C)(C)CCC=C KZJIOVQKSAOPOP-UHFFFAOYSA-N 0.000 description 1
- NWPQAENAYWENSD-UHFFFAOYSA-N 5-butylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=CCCC)CC1C=C2 NWPQAENAYWENSD-UHFFFAOYSA-N 0.000 description 1
- WTQBISBWKRKLIJ-UHFFFAOYSA-N 5-methylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C)CC1C=C2 WTQBISBWKRKLIJ-UHFFFAOYSA-N 0.000 description 1
- DMGCMUYMJFRQSK-UHFFFAOYSA-N 5-prop-1-en-2-ylbicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(C(=C)C)CC1C=C2 DMGCMUYMJFRQSK-UHFFFAOYSA-N 0.000 description 1
- FIHBHSQYSYVZQE-UHFFFAOYSA-N 6-prop-2-enoyloxyhexyl prop-2-enoate Chemical compound C=CC(=O)OCCCCCCOC(=O)C=C FIHBHSQYSYVZQE-UHFFFAOYSA-N 0.000 description 1
- YJVIKVWFGPLAFS-UHFFFAOYSA-N 9-(2-methylprop-2-enoyloxy)nonyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCCCCCCCOC(=O)C(C)=C YJVIKVWFGPLAFS-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- KJQMOGOKAYDMOR-UHFFFAOYSA-N CC(=C)C=C.CC(=C)C=C Chemical compound CC(=C)C=C.CC(=C)C=C KJQMOGOKAYDMOR-UHFFFAOYSA-N 0.000 description 1
- 241000167880 Hirundinidae Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 1
- HOYPWPYYRWKSBQ-UHFFFAOYSA-N [7-methyl-8-(2-methylprop-2-enoyloxy)octyl] 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC(C)CCCCCCOC(=O)C(C)=C HOYPWPYYRWKSBQ-UHFFFAOYSA-N 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229960003328 benzoyl peroxide Drugs 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000001588 bifunctional effect Effects 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- SOVOPSCRHKEUNJ-UHFFFAOYSA-N dec-4-ene Chemical compound CCCCCC=CCCC SOVOPSCRHKEUNJ-UHFFFAOYSA-N 0.000 description 1
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 125000004386 diacrylate group Chemical group 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 1
- AFSIMBWBBOJPJG-UHFFFAOYSA-N ethenyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC=C AFSIMBWBBOJPJG-UHFFFAOYSA-N 0.000 description 1
- LDLDYFCCDKENPD-UHFFFAOYSA-N ethenylcyclohexane Chemical compound C=CC1CCCCC1 LDLDYFCCDKENPD-UHFFFAOYSA-N 0.000 description 1
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- OTTZHAVKAVGASB-UHFFFAOYSA-N hept-2-ene Chemical compound CCCCC=CC OTTZHAVKAVGASB-UHFFFAOYSA-N 0.000 description 1
- WZHKDGJSXCTSCK-UHFFFAOYSA-N hept-3-ene Chemical compound CCCC=CCC WZHKDGJSXCTSCK-UHFFFAOYSA-N 0.000 description 1
- KETWBQOXTBGBBN-UHFFFAOYSA-N hex-1-enylbenzene Chemical compound CCCCC=CC1=CC=CC=C1 KETWBQOXTBGBBN-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229920006007 hydrogenated polyisobutylene Polymers 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- YDKNBNOOCSNPNS-UHFFFAOYSA-N methyl 1,3-benzoxazole-2-carboxylate Chemical compound C1=CC=C2OC(C(=O)OC)=NC2=C1 YDKNBNOOCSNPNS-UHFFFAOYSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- IRUCBBFNLDIMIK-UHFFFAOYSA-N oct-4-ene Chemical compound CCCC=CCCC IRUCBBFNLDIMIK-UHFFFAOYSA-N 0.000 description 1
- 125000000962 organic group Chemical group 0.000 description 1
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- 239000003208 petroleum Substances 0.000 description 1
- 239000005011 phenolic resin Chemical group 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920002530 polyetherether ketone Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920006124 polyolefin elastomer Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
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- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Abstract
Description
エラストマー成分としては、スチレン系エラストマー、ポリエステル系エラストマー、オレフィン系エラストマー等を例示できるが、所望の120℃圧縮永久歪及びショアーA硬度の実現が容易であるという点で、エラストマー成分は、スチレン系エラストマーを含み、好ましくはスチレン系エラストマーからなる。
その他成分としては、例えば、プロピレン系樹脂(以下、成分(B))、ゴム用軟化剤(以下、成分(C))、潤滑剤(以下、成分(D))、架橋剤(以下、成分(E))、架橋助剤(以下、成分(F))、着色剤(以下、成分(G))、上記プロピレン系樹脂以外のポリマー成分、安定剤、充填剤、等のうち1種以上を使用できる。
プロピレン系樹脂(成分(B))の使用は、摩擦体の耐摩耗性及び耐紙面汚染性の向上において有利である。上記成分(B)としては、プロピレン単独重合体、プロピレン系ランダム共重合体及びプロピレン系ブロック共重合体を例示でき、これらを1種又は2種以上の組合せで使用できる。耐熱性の観点で、プロピレン単独重合体及びプロピレン系ブロック共重合体がより好ましく、プロピレン単独重合体が更に好ましい。
他のα−オレフィンとのランダム共重合体、等が例示できる。
ゴム用軟化剤(成分(C))としては、当該分野で軟化剤として機能することが当業者に理解される種々の化合物を使用できる。成分(C)の使用は摩擦体の柔軟性の向上において有利である。上記成分(C)は、典型的には非芳香族系ゴム用軟化剤である。非芳香族系ゴム用軟化剤の例は、非芳香族系の鉱物油(すなわち石油等に由来する炭化水素化合物であって、後述の区分において芳香族系に区分されない(すなわち芳香族炭素数が30%未満である)もの)又は非芳香族系の合成油(すなわち合成炭化水素化合物であって芳香族モノマーを使用していないもの)である。非芳香族系ゴム用軟化剤は、通常、常温では液状又はゲル状若しくはガム状である。
潤滑剤(成分(D))としては、当該分野で潤滑剤として機能することが当業者に理解される種々の化合物を使用できる。成分(D)の使用は金型剥離性及び紙面の摩擦抑制において有利である。
架橋剤(成分(E))としては、当該分野で架橋剤として機能することが当業者に理解される種々の化合物を使用できる。摩擦体において、成分(E)は、主として成分(A)を架橋する目的で配合される。成分(E)の使用は120℃圧縮永久歪の低減及びショアーA硬度の上昇において有利である。
架橋助剤(成分(F))としては、当該分野で架橋助剤又は架橋促進剤として機能することが当業者に理解される種々の化合物を使用できる。
着色剤(成分(G))としては、当該分野で着色剤として機能することが当業者に理解される種々の化合物を使用できる。成分(G)としては、無機系顔料、有機系顔料等が好ましい。
2 筆記具本体
3 キャップ
10 キャップ本体部
12 第1固定端部
13 端面
14 フランジ部
15 接続部
16 縦リブ
20 第1消去部材
23 係止凸部
Claims (6)
- 筆記具本体と、
キャップと、
前記筆記具本体の後方の端面及び前記キャップの前方の端面の少なくとも一方の端面から突出する固定端部に配置された消去部材と、を具備する筆記具であって、
前記筆記具本体及び前記キャップの少なくとも一方の前記固定端部には、前記消去部材の回転を防止するように係止可能に軸線方向に延びる少なくとも1つの縦リブが形成されていることを特徴とする筆記具。 - 前記縦リブの側面に係止凹部が形成されている請求項1に記載の筆記具。
- 前記縦リブの横断面形状が扇形状又は逆三角形状である請求項1又は2に記載の筆記具。
- 前記固定端部が、フランジ部と、前記少なくとも一方の端面及び前記フランジ部間を接続する接続部とを有し、前記縦リブが前記接続部に形成されている請求項1乃至3のいずれか一項に記載の筆記具。
- 前記少なくとも一方の端面が、前記消去部材と密着し且つ湾曲状に形成されている請求項1乃至4のいずれか一項に記載の筆記具。
- 前記少なくとも一方の端面と前記消去部材とが、多色成形法により接合されているとともに、前記少なくとも一方の端面の材料の融点と前記消去部材の材料の融点とが異なることによって、前記少なくとも一方の端面及び前記消去部材間に化学結合が生じていない請求項1乃至5のいずれか一項に記載の筆記具。
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