JPS548688A - Novel cation-modified polypeptide and its preparation - Google Patents
Novel cation-modified polypeptide and its preparationInfo
- Publication number
- JPS548688A JPS548688A JP7348477A JP7348477A JPS548688A JP S548688 A JPS548688 A JP S548688A JP 7348477 A JP7348477 A JP 7348477A JP 7348477 A JP7348477 A JP 7348477A JP S548688 A JPS548688 A JP S548688A
- Authority
- JP
- Japan
- Prior art keywords
- preparation
- modified polypeptide
- polypeptide
- novel cation
- react
- 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.)
- Granted
Links
Landscapes
- Peptides Or Proteins (AREA)
Abstract
PURPOSE: A polypeptide having a molecular weight of 500 - 15,000 prepared by the hydrolysis of collagen is made to react with a glycidyl trialkylammonium salt I (R is methyl, ethyl; X is halogen) in an aqueous medium, in the presence of an alkali catalyst, at 150-80°C for 1 - 5 hours, and the reaction mixture is neutralized by adding an acid and made to react at 20 - 50°C for 0.5 - 2 hours. The active hydrogen in the polypeptide is substituted by the quaternary nitrogen-containing group II.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7348477A JPS548688A (en) | 1977-06-21 | 1977-06-21 | Novel cation-modified polypeptide and its preparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7348477A JPS548688A (en) | 1977-06-21 | 1977-06-21 | Novel cation-modified polypeptide and its preparation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS548688A true JPS548688A (en) | 1979-01-23 |
JPS5742088B2 JPS5742088B2 (en) | 1982-09-07 |
Family
ID=13519589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7348477A Granted JPS548688A (en) | 1977-06-21 | 1977-06-21 | Novel cation-modified polypeptide and its preparation |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS548688A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0052489A2 (en) * | 1980-11-19 | 1982-05-26 | Kao Soap Co., Ltd. | Cationic keratin derivatives, process of their production and hair treating cosmetics containing them |
JPS57130961A (en) * | 1981-02-04 | 1982-08-13 | Seiwa Kasei:Kk | Polypeptide derived from quaternary trimethylammonium |
JPH05138628A (en) * | 1991-03-14 | 1993-06-08 | Inax Corp | Swage-molding and cast-molding of architectural material and production of tiled panel |
CN111647170A (en) * | 2020-05-29 | 2020-09-11 | 陕西科技大学 | Amphiphilic amphoteric polypeptide-based polymer, preparation method and application |
-
1977
- 1977-06-21 JP JP7348477A patent/JPS548688A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0052489A2 (en) * | 1980-11-19 | 1982-05-26 | Kao Soap Co., Ltd. | Cationic keratin derivatives, process of their production and hair treating cosmetics containing them |
JPS57130961A (en) * | 1981-02-04 | 1982-08-13 | Seiwa Kasei:Kk | Polypeptide derived from quaternary trimethylammonium |
JPH05138628A (en) * | 1991-03-14 | 1993-06-08 | Inax Corp | Swage-molding and cast-molding of architectural material and production of tiled panel |
CN111647170A (en) * | 2020-05-29 | 2020-09-11 | 陕西科技大学 | Amphiphilic amphoteric polypeptide-based polymer, preparation method and application |
Also Published As
Publication number | Publication date |
---|---|
JPS5742088B2 (en) | 1982-09-07 |
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