FILTER

• Main Authors: TAKEUCHI SAKAE, YOSHIKAWA HIDEAKI, ZENITANI YUKA, IWANAGA TAKESHI, OKUNO HIROYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 02.04.2020
• Subjects: CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; DISINFECTION, STERILISATION, OR DEODORISATION OF AIR; HUMAN NECESSITIES; HYGIENE; INORGANIC CHEMISTRY; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES; MEDICAL OR VETERINARY SCIENCE; METALLURGY; METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

To provide a filter having excellent deodorant properties.SOLUTION: A filter includes a filter body having an average pore size of 1 to 5 mm, and a photocatalyst particle held on the filter body and having a surface to which a metal compound having a metal atom and a hydrocarbon group is bonded via an oxygen atom, the photocatalyst particle being formed of a titanium compound particle having absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum.SELECTED DRAWING: Figure 2 【課題】優れた消臭性を有するフィルターを提供する。【解決手段】平均細孔径が１ｍｍ以上５ｍｍの範囲のフィルター本体と、前記フィルター本体に担持され、金属原子及び炭化水素基を有する金属化合物が酸素原子を介して表面に結合し、かつ可視吸収スペクトルにおいて波長４５０ｎｍ及び７５０ｎｍに吸収を持つチタン化合物粒子からなる光触媒粒子と、を有するフィルター。【選択図】図２