JP6520957B2 - 消臭剤及び消臭製品 - Google Patents
消臭剤及び消臭製品 Download PDFInfo
- Publication number
- JP6520957B2 JP6520957B2 JP2016565962A JP2016565962A JP6520957B2 JP 6520957 B2 JP6520957 B2 JP 6520957B2 JP 2016565962 A JP2016565962 A JP 2016565962A JP 2016565962 A JP2016565962 A JP 2016565962A JP 6520957 B2 JP6520957 B2 JP 6520957B2
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- JP
- Japan
- Prior art keywords
- deodorant
- zinc oxide
- resin
- deodorizing
- gas
- 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.)
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- 239000002781 deodorant agent Substances 0.000 title claims description 153
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 100
- 230000001877 deodorizing effect Effects 0.000 claims description 48
- 239000011787 zinc oxide Substances 0.000 claims description 48
- 239000002245 particle Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 17
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 50
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- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 14
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- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 2
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
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- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
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- 239000004115 Sodium Silicate Substances 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229920005822 acrylic binder Polymers 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
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- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
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- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/005—Compositions containing perfumes; Compositions containing deodorants
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
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- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
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Description
特許文献3には、EDTA亜鉛からなるアンモニア系ガス又は硫黄系ガスに好適な消臭剤が開示されている。また、特許文献4には、分岐鎖を有する炭素数9〜32の脂肪酸の亜鉛塩を含有する、硫黄系ガス又は酸性ガスに好適な消臭剤組成物が開示されている。
無色(白色)又はそれに近い色(淡黄色等の白色系)の消臭剤としては、酸化亜鉛からなるものが知られており、従来、公知の酸化亜鉛に比べて優れた消臭効果を有する消臭剤が求められていた。
即ち、本発明は、酸化亜鉛及び酸化アルミニウムが複合化した結晶質酸化亜鉛からなり、酸化亜鉛及び酸化アルミニウムのモル比(ZnO/Al2O3)が40〜80である消臭剤である。
また、他の本発明は、上記消臭剤を備える消臭製品である。
本発明の消臭剤は、酸化亜鉛及び酸化アルミニウムが複合化した結晶質酸化亜鉛からなる。
酸化亜鉛及び酸化アルミニウムのモル比(ZnO/Al2O3)は、硫黄系ガス及び酸性ガスの消臭効果の観点から、40〜80であり、好ましくは35〜70であり、より好ましくは35〜50である。
酸化亜鉛粒子を1〜20質量%含む水スラリーに、酸化亜鉛粒子に対し1〜4質量%のコロイダルアルミナを加えて撹拌する。次いで、20℃〜60℃とした混合液の中に二酸化炭素ガスを数時間導入することで、粒子内部に酸化アルミニウムが存在する塩基性炭酸亜鉛粒子を生成する。その後、得られた塩基性炭酸亜鉛粒子を含むスラリーから、水分を除去して乾燥粉末とし、100℃〜400℃程度で加熱することで、上記構成の塊状結晶質酸化亜鉛を得る。そして、この塊状結晶質酸化亜鉛を粉砕処理することで、本発明の消臭剤に好適な結晶質酸化亜鉛の粉末が得られる。
上記消臭シートとしては、消臭剤が、原料シートの1面側から他面側への全体に渡って含まれるものであってよいし、1面側又は他面側の表面層に配されたものであってもよいし、表面層を除く内部に配されたものであってもよい。
以下の実施例1〜3及び比較例1〜4において、消臭剤(d1)〜(d7)を製造し、後述の方法にて各項目の分析又は評価を行った。その結果を表1に示す。
酸化亜鉛を10質量%含む水スラリー中に、酸化亜鉛に対し質量比で3質量%のコロイダルアルミナを加え、これらを撹拌しながら、その中に二酸化炭素ガスを40℃で6時間導入した。次いで、105℃で乾燥させ、スラリーの水分を除去した。その後、乾燥物を、300℃で加熱することで、酸化亜鉛及び酸化アルミニウムが複合化した結晶質酸化亜鉛の粉末を得た。得られた結晶質酸化亜鉛粉末を、消臭剤(d1)として、その組成、粒度d50及びd90、比表面積、半値幅、粉末色彩値及び粉末の消臭容量を、表1に記載した。
コロイダルアルミナの使用量を、酸化亜鉛に対し質量比で3.7質量%とした以外は、実施例1と同様の操作を行い、結晶質酸化亜鉛の粉末を得た。そして、得られた結晶質酸化亜鉛粉末を、消臭剤(d2)として、その分析結果及び評価結果を、表1に示した。
加熱温度を250℃とした以外は、実施例2と同様の操作を行い、結晶質酸化亜鉛の粉末を得た。そして、得られた結晶質酸化亜鉛粉末を、消臭剤(d3)として、その分析結果及び評価結果を、表1に示した。
いずれも市販の、酸化亜鉛2種(JIS規格)、活性酸化亜鉛、及び、超微粒子酸化亜鉛を、それぞれ、消臭剤(d4)〜(d6)として用いた。各消臭剤の分析結果及び評価結果を、表1に示した。
脱イオン水75mlを攪拌しながら、2号ケイ酸ソーダ37.5gと、硫酸亜鉛5水和物17.75gを各々脱イオン水100mlに加えて溶解させた2種類の溶液を1時間かけて同時に滴下した。滴下終了後、更に1時間攪拌を続けることで白色の沈殿(反応生成物)を含むpH6.8のスラリーを得た。目開き0.5μmのマイクロフィルターを載せたグラスフィルターでスラリーを減圧ろ過し、脱イオン水を流して反応生成物を洗浄し、最後に吸引ろ過して反応生成物を回収した。次いで、反応生成物を150℃で24時間乾燥し、粉砕を行うことで、亜鉛シリカゲル粉末を得た。そして、得られた亜鉛シリカゲル粉末を、消臭剤(d7)として、その分析結果及び評価結果を、表1に示した。
(1)元素組成
リガク社製蛍光X線分析装置「ZSX100e」(型式名)を用いて、Al/Znのモル比を算出した。
(2)d50及びd90粒径
マルバーン社製レーザー回折式粒度分布測定装置「MS2000」(型式名)を用いて、消臭剤のd50及びd90を体積基準で解析した。尚、粒度分布の含有率は、全粒子中の体積割合であるが、測定粉末の密度が一定であるので、質量基準と同じ意味である。
(3)比表面積
JIS Z8830−2001、「気体吸着による粉体(固体)の比表面積測定方法」に準じ、堀場製作所社製連続流動式表面積計「SA−6200」(型式名)を用いて測定した。
(4)X線回折ピーク半値幅
粉末X線回折測定を、リガク社製X線回折装置「RINT2400V」(型式名)を用いたCu Kα線により行い、X線回折像を得た。測定条件は、管電圧40kV及び電流150mAとした。図1には、消臭剤(d1)のX線回折像を示したが、30〜38degreeの間の3本の回折ピークは、酸化亜鉛に帰属されるが、これらのうち、約31.8degreeにおけるピークに対して、その半値幅を求めた。即ち、半値幅を、そのピーク高さの50%におけるピーク幅とした。
(5)消臭剤粉末の色彩
消臭剤粉末を、10mlガラス瓶に入れ、日本電色工業社製色差計「SZ−Σ80」(型式名))を用いて、消臭剤粉末の色彩を測定した。その結果を、Lab色空間表示で示した。
(6)メチルメルカプタンに対する消臭性能
乾燥した消臭剤粉末0.01gをビニルアルコール系ポリマーフィルム製の試験袋に入れ、ここにメチルメルカプタン(初期濃度600ppm)1リットル注入して密封し、30分間放置した後の試験袋中の残存ガス濃度をガス検知管で測定した。
実施例4
はじめに、消臭剤(d1)2質量部と、固形分濃度が2質量%のアクリル系バインダー分散液100質量部とを、混合して、消臭剤含有液体組成物を得た。次いで、この消臭剤含有液体組成物を、ポリエステル繊維からなる布に展着加工して、1g/m2の消臭剤(d1)を展着させ消臭加工布を得た。
その後、得られた消臭加工布を裁断して、10cm×10cmの大きさとし、この試験布をビニルアルコール系ポリマーフィルム製の試験袋に入れ、ここに酢酸(初期濃度30ppm)又は硫化水素(初期濃度4ppm)を3リットル注入し、2時間放置した後の試験袋中の残存ガス濃度をガス検知管で測定し、低減率を算出した。これらの結果を表2に示す。
消臭剤(d1)に代えて、消臭剤(d2)を用いた以外は、実施例4と同様にして、消臭加工布の製造、及び、消臭試験を行った。その結果を表2に示す。
消臭剤(d1)に代えて、消臭剤(d4)を用いた以外は、実施例4と同様にして、消臭加工布の製造、及び、消臭試験を行った。その結果を表2に示す。
消臭剤(d1)に代えて、消臭剤(d5)を用いた以外は、実施例4と同様にして、消臭加工布の製造、及び、消臭試験を行った。その結果を表2に示す。
実施例6
はじめに、消臭剤(d1)10質量部と、繊維用ポリエステル樹脂90質量部とを、溶融混練した後、ペレット化し、熱可塑性樹脂組成物からなるマスターバッチを得た。次いで、このマスターバッチ20質量部と繊維用ポリエステル樹脂80質量部とを混合して紡糸し、消臭剤(d1)を2質量%含有する75d/72fマルチフィラメントを得た。このマルチフィラメント1gをビニルアルコール系ポリマーフィルム製の試験袋に入れ、ここに酢酸(初期濃度30ppm)又はメチルメルカプタン(初期濃度8ppm)を3リットル注入し、2時間放置した後の試験袋中の残存ガス濃度をガス検知管で測定し、低減率を算出したところ、酢酸の低減率は88%、メチルメルカプタンの低減率は78%であった。
Claims (3)
- 酸化亜鉛及び酸化アルミニウムが複合化した結晶質酸化亜鉛からなり、前記酸化亜鉛及び前記酸化アルミニウムのモル比(ZnO/Al2O3)が40〜80である消臭剤の製造方法であって、
酸化亜鉛を含む水スラリーとコロイダルアルミナを混合反応させる消臭剤の製造方法。 - 前記結晶質酸化亜鉛の平均粒経が0.2〜15μmである請求項1に記載の消臭剤の製造方法。
- 前記結晶質酸化亜鉛のBET比表面積が100m2/g以上である請求項1又は2に記載の消臭剤の製造方法。
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US10669669B2 (en) | 2020-06-02 |
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