CN117396568A - 非煅烧铅笔芯和非煅烧铅笔芯的制造方法 - Google Patents

非煅烧铅笔芯和非煅烧铅笔芯的制造方法 Download PDF

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Publication number
CN117396568A
CN117396568A CN202280037640.2A CN202280037640A CN117396568A CN 117396568 A CN117396568 A CN 117396568A CN 202280037640 A CN202280037640 A CN 202280037640A CN 117396568 A CN117396568 A CN 117396568A
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CN
China
Prior art keywords
mass
acid
pencil lead
calcined pencil
soluble polymer
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
Application number
CN202280037640.2A
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English (en)
Chinese (zh)
Inventor
村田达哉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Pencil Co Ltd
Original Assignee
Mitsubishi Pencil Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Pencil Co Ltd filed Critical Mitsubishi Pencil Co Ltd
Publication of CN117396568A publication Critical patent/CN117396568A/zh
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions
    • 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
    • B43K19/02—Pencils with graphite; Coloured pencils
    • 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
    • B43K19/16—Making non-propelling pencils
    • B43K19/18—Making pencil writing-cores

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
CN202280037640.2A 2021-06-18 2022-03-30 非煅烧铅笔芯和非煅烧铅笔芯的制造方法 Pending CN117396568A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021-101630 2021-06-18
JP2021101630 2021-06-18
PCT/JP2022/016268 WO2022264643A1 (ja) 2021-06-18 2022-03-30 非焼成鉛筆芯及び非焼成鉛筆芯の製造方法

Publications (1)

Publication Number Publication Date
CN117396568A true CN117396568A (zh) 2024-01-12

Family

ID=84527073

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280037640.2A Pending CN117396568A (zh) 2021-06-18 2022-03-30 非煅烧铅笔芯和非煅烧铅笔芯的制造方法

Country Status (6)

Country Link
US (1) US20240209230A1 (https=)
EP (1) EP4357430A4 (https=)
JP (1) JPWO2022264643A1 (https=)
KR (1) KR20240022534A (https=)
CN (1) CN117396568A (https=)
WO (1) WO2022264643A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2026046120A (ja) * 2024-08-30 2026-03-13 三菱鉛筆株式会社 非焼成鉛筆芯およびその製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006182969A (ja) * 2004-12-28 2006-07-13 Mitsubishi Pencil Co Ltd 非焼成色鉛筆芯
JP2015209506A (ja) * 2014-04-28 2015-11-24 三菱鉛筆株式会社 非焼成色鉛筆芯
WO2020004390A1 (ja) * 2018-06-25 2020-01-02 三菱鉛筆株式会社 非焼成鉛筆芯

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2726198B2 (ja) * 1992-06-03 1998-03-11 三菱鉛筆株式会社 非焼成色鉛筆芯とその製造方法
JP3922803B2 (ja) 1998-05-27 2007-05-30 株式会社サクラクレパス 非焼成色鉛筆芯
JP4919652B2 (ja) 2005-11-18 2012-04-18 三菱鉛筆株式会社 固形描画材及びその製造方法
JP4288618B2 (ja) * 2006-09-15 2009-07-01 独立行政法人 日本原子力研究開発機構 カルボキシメチルセルロースゲルの製造方法
US9090784B2 (en) 2010-08-05 2015-07-28 Mitsubishi Pencil Company, Limited Solid drawing material and solid drawing tool
CN108129914B (zh) * 2017-12-08 2021-03-16 陕西科技大学 一种挠曲强度高的彩色铅笔芯及其制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006182969A (ja) * 2004-12-28 2006-07-13 Mitsubishi Pencil Co Ltd 非焼成色鉛筆芯
JP2015209506A (ja) * 2014-04-28 2015-11-24 三菱鉛筆株式会社 非焼成色鉛筆芯
WO2020004390A1 (ja) * 2018-06-25 2020-01-02 三菱鉛筆株式会社 非焼成鉛筆芯

Also Published As

Publication number Publication date
EP4357430A1 (en) 2024-04-24
EP4357430A4 (en) 2025-06-25
KR20240022534A (ko) 2024-02-20
US20240209230A1 (en) 2024-06-27
WO2022264643A1 (ja) 2022-12-22
JPWO2022264643A1 (https=) 2022-12-22

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