Title:
AROMATIC PARTICLE DISPERSION AND AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENT CONTAINING SAME
Document Type and Number:
WIPO Patent Application WO/2023/068082
Kind Code:
A1
Abstract:
Provided are: an aromatic particle dispersion that has excellent dispersion stability, has and retains (sustains) high aromaticity and preservation performance, and does not have adverse effects on other ingredients, etc.; and an aqueous ink composition for a writing instrument that contains the aromatic particle dispersion. This aromatic particle dispersion is characterized by being an aqueous dispersion of aromatic particles formed from at least a (meth)acrylic acid ester monomer represented by general formula (I), at least one type of fragrance component selected from group A (e.g., borneol, eugenol, d-limonene, citral R), and at least one type of preservative component selected from group B (e.g., an iodopropargyl compound, 2-(4-thiazolyl)benzimidazole). (In formula (I), A is a hydrogen atom (H) or a methyl group (CH3), and R is a hydrogen atom (H), a C1–22 alkyl group, or a substituent that has a polyalkylene glycol chain that has a C2–18 alkylene chain.)
Inventors:
HAGA HISATO (JP)
Application Number:
PCT/JP2022/037636
Publication Date:
April 27, 2023
Filing Date:
October 07, 2022
Export Citation:
Assignee:
MITSUBISHI PENCIL CO (JP)
International Classes:
C08L33/08; C08F2/24; C08F220/18; C08L33/10; C09D11/16; C09K23/34; C11B9/00
Domestic Patent References:
| WO2015104971A1 | 2015-07-16 | |||
| WO2019131491A1 | 2019-07-04 |
Foreign References:
| JP2003213142A | 2003-07-30 |
Attorney, Agent or Firm:
FUJIMOTO Eisuke et al. (JP)
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