JP4695372B2 - 紫外線の遮断機能を高めた障子紙の製造法 - Google Patents
紫外線の遮断機能を高めた障子紙の製造法 Download PDFInfo
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Description
紫外線カット率%=100−100/UPF
これらの紫外線透過率・カット率は、上記のUPFの算出式からわかるように、単純に波長ごとの紫外線透過率・カット率を積算したものに、波長ごとに地上に届く紫外線量の係数と皮膚に対するダメ−ジを与える強さの係数を乗じたものである。上記の定義より、例えば、UPF=20の場合、紫外線透過率%は、100/UPF=100/20=5%となり、紫外線カット率%は、100−5=95%となる。
「分光光度計を用い、波長280〜400nmの透過率を測定し、これの積分値か、または遮蔽率[遮蔽率=(1−Ta(透過率)×100)]の積分値のいずれかにより、紫外線カットの効果を判定する。」
(2)繊維製品を透過し、皮膚に当る紫外線量を減少させることを意味する言葉として適切な用語を使用することが適当。その解説の中に、以下の記載がある。
適当な例 :紫外線遮へい加工 A級(紫外線遮へい率90%以上)
不適当な例:紫外線反射加工(紫外線反射率90%)
本実施例は、表1の種類Cの紙材に蛍光増白剤染料(実施例では「蛍光染料」と称する)を原料配合の段階で添加したものである。蛍光染料としては、スチルベン系染料を用いた。得られた障子紙の特性値を表2に示す。
本実施例は、表1の種類Bの紙材に上記特許文献6に開示されているスチルベンジスルフォン酸トリアジン誘導体(以下「T誘導体」という)を原料配合の段階で添加したものである。得られた障子紙の特性値を表4に示す。
本比較例は、表1の種類Bの紙材にスチルベン系の蛍光染料を紙材に対して外掛けで0.2重量%添加し、抄紙・乾燥後、紫外線吸収機能を有するアクリル系高分子化合物とベンゾトリアゾ−ル系の共重合物(ULS−1700=一方社製)で含浸加工したものである。得られた障子紙の特性値を表5に示す。
Claims (5)
- 紫外線防護率(UPF)を20以上とした米坪量が30〜100g/m2である紫外線の遮断機能を高めた障子紙の製造法であって、
紫外線A波(UV−A)を吸収する蛍光増白剤染料を紙漉の段階で紙材に混合し、金属酸化物粉末からなる紫外線反射剤を溶融紡糸段階または紙漉の段階で紙材に混合するか、または、シート状紙材に塗布するか、または、フィルムとして貼付することによって、白色度が70%以上であって、不透明度が40%〜75%の障子紙とする紫外線の遮断機能を高めた障子紙の製造法。 - 障子紙が、こうぞ、三ツ又、がん皮、麻等の天然の靭皮繊維、木材パルプ、コットンリンターパルプ、レーヨン等のセルロース系繊維、無機質繊維、合成繊維の単体または複合材を原料とした紙材からなる請求項1に記載の紫外線の遮断機能を高めた障子紙の製造法。
- 紫外線反射剤が、TiO2,ZnO2,Al2O3,SeO2,SiO2,CaCO3の中の何れかの金属酸化物の中の1種または2種以上であり、この紫外線反射剤の配合量が、溶融樹脂中に混合した合成繊維材とする場合は0.1〜10重量%、それ以外の紙材に対して外掛けで1〜20重量%である請求項1に記載の紫外線の遮断機能を高めた障子紙の製造法。
- 蛍光増白剤染料が、ベンゾオキサゾール系染料、スチルベン系染料、ピラゾリン系染料、クマリン系染料およびナフタルイミド系染料の中の何れか1種または2種以上であり、この蛍光増白剤染料の配合量が紙材に対して外掛けで1重量%以下である請求項1に記載の紫外線の遮断機能を高めた障子紙の製造法。
- 蛍光増白剤染料が、蛍光増白機能を有するスチルベンジスルフォン酸トリアジン誘導体である場合には、その配合量が、紙材に対して外掛けで0.2〜3重量%である請求項1に記載の紫外線の遮断機能を高めた障子紙の製造法。
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ES2378904T3 (es) * | 2006-12-08 | 2012-04-19 | Gunze Limited | Películas termorretráctiles fotoluminiscentes |
JP2009209510A (ja) * | 2008-02-08 | 2009-09-17 | Nakamura Paper Co Ltd | 花粉除去紙およびその製造方法 |
JP5241466B2 (ja) * | 2008-12-12 | 2013-07-17 | 株式会社ワーロン | プラスチックシートと紙との虫飛来防止用積層体及びそれを用いた物品 |
JP6347355B2 (ja) * | 2016-12-21 | 2018-06-27 | 大阪ウイントン株式会社 | 鳥類忌避塗料 |
CN109778339A (zh) * | 2017-11-13 | 2019-05-21 | 太极石股份有限公司 | 一种具有抗菌及抗染料遮蔽的纱线制造方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6120599U (ja) * | 1984-07-09 | 1986-02-06 | 弘史 小林 | 特殊障子紙 |
JPH02118199A (ja) * | 1988-10-27 | 1990-05-02 | Toyo Kogyo Kk | 紙類の白度及び耐光性を向上させる方法 |
JPH05148734A (ja) * | 1990-11-05 | 1993-06-15 | Kuraray Co Ltd | 紫外線遮蔽性を有する繊維構造体および該構造体を用いた繊維製品 |
JPH0949195A (ja) * | 1995-08-04 | 1997-02-18 | Tokushu Paper Mfg Co Ltd | 蛍光増白紙の製造方法 |
JPH10131095A (ja) * | 1996-10-22 | 1998-05-19 | Kohjin Co Ltd | 難燃紙 |
JP2003506492A (ja) * | 1998-07-31 | 2003-02-18 | ミリケン・リサーチ・コーポレーション | 異なる基材上のuv吸収用ポリマーラテックス |
JP2003119694A (ja) * | 2001-10-12 | 2003-04-23 | Moruza Kk | のり付き濡れ障子紙およびその製造方法 |
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- 2004-10-04 JP JP2004291896A patent/JP4695372B2/ja active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6120599U (ja) * | 1984-07-09 | 1986-02-06 | 弘史 小林 | 特殊障子紙 |
JPH02118199A (ja) * | 1988-10-27 | 1990-05-02 | Toyo Kogyo Kk | 紙類の白度及び耐光性を向上させる方法 |
JPH05148734A (ja) * | 1990-11-05 | 1993-06-15 | Kuraray Co Ltd | 紫外線遮蔽性を有する繊維構造体および該構造体を用いた繊維製品 |
JPH0949195A (ja) * | 1995-08-04 | 1997-02-18 | Tokushu Paper Mfg Co Ltd | 蛍光増白紙の製造方法 |
JPH10131095A (ja) * | 1996-10-22 | 1998-05-19 | Kohjin Co Ltd | 難燃紙 |
JP2003506492A (ja) * | 1998-07-31 | 2003-02-18 | ミリケン・リサーチ・コーポレーション | 異なる基材上のuv吸収用ポリマーラテックス |
JP2003119694A (ja) * | 2001-10-12 | 2003-04-23 | Moruza Kk | のり付き濡れ障子紙およびその製造方法 |
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