JP6637241B2 - 可溶性ケラテインの製造法 - Google Patents
可溶性ケラテインの製造法 Download PDFInfo
- Publication number
- JP6637241B2 JP6637241B2 JP2015040076A JP2015040076A JP6637241B2 JP 6637241 B2 JP6637241 B2 JP 6637241B2 JP 2015040076 A JP2015040076 A JP 2015040076A JP 2015040076 A JP2015040076 A JP 2015040076A JP 6637241 B2 JP6637241 B2 JP 6637241B2
- Authority
- JP
- Japan
- Prior art keywords
- keratin
- hair
- soluble
- acid
- keratein
- 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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- 108010076876 Keratins Proteins 0.000 claims description 72
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 claims description 42
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Landscapes
- Cosmetics (AREA)
- Peptides Or Proteins (AREA)
Description
(1)水の存在下、α−ケラチンをチオグリコール酸またはその塩を加えてpH9〜
13.5で還元した後、不溶性残渣をろ去し、ろ液を得る
(2)得られたろ液を、pH2.5〜7に調整し、生じた沈殿物を回収し、水洗する
(3)回収した沈殿物を、pH9〜12のアルカリ溶液で溶解させた後、不活性条件下
でチオグリコール酸またはその塩を加える
(4)反応液をpH4〜7に調整し、生じた沈殿物をろ取、水洗し、可溶化ケラテイン
を得る。
(1)還元反応(CMADKの合成)
水酸化ナトリウム溶液でpH11に調整した0.4Mチオグリコール酸ナトリウム溶液20Lを、反応容器である化学用ホーロータンク中に入れ、この中に羊毛1kgを投入する。これを反応温度30℃、開放系で24時間撹拌しながら反応を行なった。
上記(1)で得たろ液に、6M−HCl水溶液を加え中和を行った。ろ液のpHが、7に達したら、1M−HCl溶液に代え、更にpH4まで下げた。この際溶液は、pHの低下に伴い濁り、pH4に近づくに従って沈殿が生じた。
25%NaOH溶液を用い、(2)で得たCMADKを、中和、溶解した。pHが7を越えたら希NaOH溶液に代え、この溶液のpHを11にまで調整した。
上記(3)で得られた各WK溶液のpHを、6M−HCl溶液を用い、pH7付近まで下げた。次いで、25%酢酸溶液を用い、更にpHを4にまで下げた。このpH調整により沈殿したWKを2〜3回水洗し、pH5〜6にした。
湿熱パーマ(1)
実施例1で得た低分子WKを、1%濃度、1.5%濃度および2%濃度となるよう精製水に溶解し、この溶液に炭酸ナトリウムを加え、pH10に調整してパーマネントウェーブ組成物を調整した。
20℃から5℃/分で55℃まで昇温し、55℃に到達後、3分間この温度で保温する。加熱時間は、合計10分。
湿熱パーマ(2)
低分子WKを実施例1で得た高分子WKに代える以外は、実施例2と同様にして湿熱パーマを行った。
湿熱パーマ(3)
実施例1で得た高分子WKを、その濃度が1.5%、システアミンをその濃度が1.0%となるよう精製水に溶解し、この溶液のpHを炭酸ナトリウムで10に調整してパーマネントウェーブ組成物を調整した。
20℃から5℃/分で55℃まで昇温し、55℃に到達後、3分間この温度で保温する。加熱時間は、合計10分。
湿熱パーマ(4)高分子WKを実施例1で得た低分子WKに代える以外は、実施例4と同様にして湿熱パーマを行った。
ストレートパーマ
実施例1で得た低分子WKを、2.0%濃度となるよう精製水に溶解し、この溶液のpHを炭酸ナトリウムで10に調整してストレートパーマ用組成物を調整した。
ストレートパーマ
低分子WKを実施例1で得た高分子WKに代える以外は、実施例6と同様にしてストレートパーマを行った。
Claims (1)
- 次の工程、
(1)水の存在下、α−ケラチンをチオグリコール酸またはその塩を加えてpH9〜13.5で還元した後、不溶性残渣をろ去し、ろ液を得る
(2)得られたろ液を、pH2.5〜7に調整し、生じた沈殿物を回収し、水洗する
(3)回収した沈殿物を、pH9〜12のアルカリ溶液で溶解させた後、不活性条件下でチオグリコール酸またはその塩を加える
(4)反応液をpH4〜7に調整し、生じた沈殿物をろ取、水洗し、可溶化ケラテインを得る
を含む可溶性ケラテインの製造法。
Priority Applications (1)
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JP2015040076A JP6637241B2 (ja) | 2015-03-02 | 2015-03-02 | 可溶性ケラテインの製造法 |
Applications Claiming Priority (1)
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JP2015040076A JP6637241B2 (ja) | 2015-03-02 | 2015-03-02 | 可溶性ケラテインの製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016160211A JP2016160211A (ja) | 2016-09-05 |
JP6637241B2 true JP6637241B2 (ja) | 2020-01-29 |
Family
ID=56844238
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JP2015040076A Active JP6637241B2 (ja) | 2015-03-02 | 2015-03-02 | 可溶性ケラテインの製造法 |
Country Status (1)
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JP (1) | JP6637241B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3626824A4 (en) * | 2017-05-10 | 2021-03-24 | Spiber Inc. | POLYPEPTIDE SOLUTION, PROCESS FOR THE PRODUCTION OF POLYPEPTIDE FIBER AND ARTIFICIAL POLYPEPTIDE |
CA3068536C (en) | 2017-06-26 | 2023-09-26 | Virtue Labs, LLC | Keratin protein cosmetic compositions |
JP2019142798A (ja) * | 2018-02-20 | 2019-08-29 | アドバンス株式会社 | 毛髪処理剤および毛髪処理方法 |
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