JP2008081463A - 植物の脱色剤及び脱色方法 - Google Patents
植物の脱色剤及び脱色方法 Download PDFInfo
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Abstract
【解決手段】炭素数1−3の低級アルコールと他の有機極性溶媒を重量比率で50:50〜95:5の割合で含む有機溶媒に、有機酸を0.5〜10重量%の割合で添加混合してなることをなるものを植物の脱色剤とする。当該脱色剤に生花等の植物を浸漬することにより、生花等の植物は新鮮な状態で、効率よく脱色できる。従来、白く脱色することができないとされていた黄色の花や緑の茎等も、脱色可能となる。
【選択図】なし
Description
1)脱色されない色がある(花の黄色や茎の緑等)。
2)強い酸化剤を使うため植物自体を傷めることがある。
3)脱色に時間がかかる(2日間以上を要することが多い)。
4)酸化剤が水溶性ため(アルコールの中に水が入る)植物中の水分とアルコールの置換がうまくいかない。
実施例1−6及び比較例1
表1に示す組成からなる7種の脱色剤を準備し、これらの脱色剤に、常温で黄色のバラを浸漬し、脱色の状態を試験した。その結果を表1に示す。
従来、脱色できないとされていた黄色の花が、本発明に従った低級アルコールと他の有機極性媒体と有機酸を含む脱色剤では、脱色でき、特に実施例3,4では、短時間で完全に白く脱色できた。なお、有機酸として氷酢酸を使用した実施例1−3では、製品に若干酢酸臭が残ったが、イタコン酸を使用した実施例4−5では、無臭で、品質のよい製品を得ることができた。
表2に示す組成からなる7種の脱色剤を準備し、これらの脱色剤に、常温で黄色のバラを浸漬し、脱色の状態を試験した。その結果を表2に示す。
本発明に従った実施例7−10では、花を新鮮な状態に保った効率のよい脱色が可能であったが、低級アルコールの使用量が少ない比較例2−4では、脱色剤への浸漬で花の状態が悪くなり、特に、比較例3−4では、脱色も悪くなった。
表3に示す通り、実施例10と同様の組成からなる脱色剤に赤いバラ、黄色の菊、黄色のヒマワリを浸漬し、脱色の状態を試験した。赤いバラは1時間で完全に白く脱色し、黄色の菊は黄色のバラ同様、2時間程度で脱色した。ヒマワリは水分率が少ないので少し時間がかかったが、完全脱色が可能であった。
表4に示す通り、組成の異なる脱色剤を7種準備し、赤いバラを浸漬して、脱色の状態を試験した。実施例17,18では1−2時間で、完全に脱色し、実施例16,15,14の順に、脱色に時間がかかったが、いずれも、実用性ある脱色が可能であった。
また、黄色のバラについて浸漬試験をした結果、実施例17,18では、4−5時間で完全に脱色できた。
表5に示す脱色剤で、アイビーリーフと黄色のバラを脱色し、その後、染料を含む保湿剤(京華クラフト製の「一液くん」)に浸漬することにより、新鮮な状態で耐久性よく、綺麗な外観を有する製品を得ることができた、
アイビーリーフは、漂白に、花より多少多くの時間を要するが、24時間の脱色後、染色することで、綺麗に自然な色に染色された製品を得ることができ、黄色のバラは、4時間の脱色処理で完全に白く脱色され、染料入りの保湿剤への浸漬で、美しいピンクのバラに変身させることができた。
Claims (4)
- 炭素数1−3の低級アルコールと他の有機極性溶媒を重量比率で50:50〜95:5の割合で含む有機溶媒に、有機酸を0.5〜10重量%の割合で添加混合してなることをなることを特徴とする植物の脱色剤。
- 前記他の有機極性溶媒が、N−メチル−2−ピロリドン、NN−ジメチルアセトアミド、NN−ジメチルホルムアミド、ジメチルスルホオキサイド、エチレングリコールジメチルエーテル、ジエチレングリコールモノエチルエーテルアセテート、ジエチレングリコールモノブチルエーテルアセテート、プロピレングリコールモノメチルエーテルアセテート、エチレングリコールモノブチルエーテルアセテート、ベンジルアルコール、アセトン、メチルエチルケトン、εカプロラクタム、プロピレングリコールモノメチルエーテル、エチレングリコールモノエチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノブチルエーテル、エチレングリコールモノメチルエーテルアセテート、3−メトキシ−1−ブタノール、メチルイソプロピルケトン、メチルイソブチルカービノール、メチルイソブチルケトン、乳酸メチル、乳酸エチル、乳酸ブチル、ダイヤセトンアルコール、チオジグリコール、酢酸ブチル、酢酸アリル、酢酸イソプロピル、酢酸アミール、酢酸エチル、1,3−ブタンジオール及びメトキシブタノールからなる群から選ばれることを特徴とする請求項1の脱色剤。
- 前記有機酸が、蟻酸、酢酸、プロピオン酸、酪酸、吉草酸、イタコン酸、乳酸、オクチル酸、シクロヘキサンカルボン酸、酒石酸、リンゴ酸、セバシン酸、グルコン酸、ブタンテトラカルボン酸、レプリン酸、シュウ酸、マロン酸、マレイン酸、フマル酸、コクハク酸、グルタル酸、アジピン酸及びクエン酸からなる群から選ばれることを特徴とする請求項1又は2の脱色剤。
- 請求項1〜3いずれかに記載の脱色剤に、植物を浸漬し、植物を脱色することを特徴とする植物の脱色方法。
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