JP4486403B2 - 被服材料用蓄熱材及び被服材料用マイクロカプセル - Google Patents
被服材料用蓄熱材及び被服材料用マイクロカプセル Download PDFInfo
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- 238000009826 distribution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
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- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 235000019325 ethyl cellulose Nutrition 0.000 description 1
- 229920001249 ethyl cellulose Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
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- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine powder Natural products NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
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- 239000000057 synthetic resin Substances 0.000 description 1
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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- 238000010792 warming Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Landscapes
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Undergarments, Swaddling Clothes, Handkerchiefs Or Underwear Materials (AREA)
Description
蓄熱材として、ヘキサデカン(C16)1%、ヘプタデカン(C17)14%、オクタデカン(C18)82%、ノナデカン(C19)2%、エイコサン(C20)1%の混合物(融点25℃、融解熱量193kJ/kg)を混合して被服材料用蓄熱材を得た。
メラミン粉末12重量部に37%ホルムアルデヒド水溶液15.4重量部と水40重量部を加え、pHを8に調整した後、約70℃まで加熱してメラミン−ホルムアルデヒド初期縮合物水溶液を得た。pHを4.5に調整した10%スチレン−無水マレイン酸共重合体のナトリウム塩水溶液100重量部中に上記組成の蓄熱材70重量部を激しく撹拌しながら添加し、粒子径が3.0μmになるまで乳化を行なった。得られた乳化液に、上記メラミン−ホルムアルデヒド初期縮合物水溶液全量を添加し70℃で2時間撹拌を施した後、pHを9まで上げて水を添加して乾燥固形分濃度40%の蓄熱材マイクロカプセル分散液を得た。
蓄熱材として、オクタデカン(C18)5%、ノナデカン(C19)64%、エイコサン(C20)23%、ヘンエイコサン(C21)5%の混合物から成る混合物(融点30℃、融解熱量164kJ/kg)から成る被服材料用蓄熱材を得た。この蓄熱材を用いて実施例1と同様にマイクロカプセル化を行い、同様に同じ繊維に含浸加工を行い大人用下着を加工した。成人男性5人にこの下着を着せ、その上にワイシャツ及び防寒着を着た状態で33℃、湿度55%の雰囲気下に30分安静に着席させた後、冬場の外気温を模した10℃、湿度40%の雰囲気下に移動した後の皮膚面と肌着面の間の温度と湿度を計測した。
蓄熱材として、へプタデカン(C17)1%、オクタデカン(C18)99%の2成分から成る被服材料用蓄熱材(融点28℃、融解熱量230kJ/kg)を得た。
この蓄熱材を実施例1と同様の加工を行い同様の評価を行ったところ、
蓄熱材の融解熱量が実施例1の蓄熱材よりはるかに大きいにもかかわらず、約20分で過半数が暑苦しいと感じ出し実施例1の蓄熱材組成の方が快適さを感じる時間が長いことが分かった。
蓄熱材として、ヘプタデカン(C17)12%、オクタデカン(C18)80%、ノナデカン(C19)2%の他に、イソパラフィン及び芳香族成分を6%含む蓄熱材混合物(融点23℃、融解熱量71kJ/kg)か成る被服材料用蓄熱材を得た。この蓄熱材を実施例1と同様の加工を行い同様の評価を行ったところ、蓄熱材の融解熱量があまりにも小さいために同様の着衣試験においても未加工の衣服とほとんど同等の効果しか得られず衣服内温度の緩衝効果は認められず快適さは感じられなかった。
Claims (3)
- 炭素数が、16〜21の直鎖の脂肪族炭化水素化合物中の少なくとも3種以上の化合物から構成され、尚かつ84kJ/kg以上の融解熱量を有する被服材料用蓄熱材。
- 炭素数17〜20の直鎖の脂肪族炭化水素化合物の合計質量比率が総蓄熱材中の60%以上である請求項1記載の被服材料用蓄熱材。
- 請求項1または請求項2に記載の被服材料用蓄熱材を内包した被服材料用マイクロカプセル。
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JP2004124225A JP4486403B2 (ja) | 2004-04-20 | 2004-04-20 | 被服材料用蓄熱材及び被服材料用マイクロカプセル |
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JP4486403B2 true JP4486403B2 (ja) | 2010-06-23 |
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Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5248742B2 (ja) * | 2005-05-20 | 2013-07-31 | Jx日鉱日石エネルギー株式会社 | パラフィン系潜熱蓄熱材組成物 |
JP4976148B2 (ja) * | 2007-01-26 | 2012-07-18 | 帝人ファイバー株式会社 | 保温性布帛および繊維製品 |
JP2015504451A (ja) * | 2011-11-01 | 2015-02-12 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイShell Internationale Research Maatschappij Beslotenvennootshap | パラフィンワックス |
JP6054814B2 (ja) * | 2013-06-14 | 2016-12-27 | Jxエネルギー株式会社 | パラフィン系潜熱蓄熱材組成物およびパラフィン系組成物の潜熱蓄熱材としての使用 |
JP6054813B2 (ja) | 2013-06-14 | 2016-12-27 | Jxエネルギー株式会社 | パラフィン系潜熱蓄熱材組成物およびパラフィン系組成物の潜熱蓄熱材としての使用 |
JP2017025451A (ja) * | 2015-07-27 | 2017-02-02 | 群馬県 | 布およびその加工方法 |
JP2020147721A (ja) * | 2019-03-15 | 2020-09-17 | アキレス株式会社 | 潜熱蓄熱機能を有するウレタンフォーム |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |