CN112552425A - Preparation method of egg white peptide finishing agent for fabric - Google Patents
Preparation method of egg white peptide finishing agent for fabric Download PDFInfo
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- CN112552425A CN112552425A CN202011275965.3A CN202011275965A CN112552425A CN 112552425 A CN112552425 A CN 112552425A CN 202011275965 A CN202011275965 A CN 202011275965A CN 112552425 A CN112552425 A CN 112552425A
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- Prior art keywords
- egg white
- chitosan
- white peptide
- finishing agent
- polypeptide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Textile Engineering (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a preparation method of an egg white peptide finishing agent for fabrics, which comprises the following steps: hydrolyzing egg material to obtain egg white hydrolysate; hydrolyzing egg with protease, and separating precipitate to obtain supernatant; dialyzing the supernatant to obtain a polypeptide solution; then reacting chitosan with polypeptide solution at 55-65 deg.C and pH of 5.2-5.8 for 7-10h to obtain polypeptide chitosan; then adding a silane coupling agent to perform modification reaction with polypeptide chitosan for 18-24h at the temperature of 55-65 ℃ to obtain a modified egg white peptide aqueous solution; and drying in vacuum to obtain the egg white peptide finishing agent. The natural egg white peptide modified by enzymolysis has amino, hydroxyl and cationic properties, and has the effects of moisture absorption, moisture retention and antibiosis after finishing the fabric, so the natural egg white peptide is a natural moisture-retention antibacterial material.
Description
Technical Field
The invention relates to the technical field of antibacterial finishing agents, in particular to a preparation method of an egg white peptide finishing agent for fabrics.
Background
With the development of the times, people pursue more and more high-added-value clothes, a large number of moisturizing products such as hyaluronic acid finishing agents, aloe finishing agents and the like appear in the market, the products have certain limitations, such as insufficient acid and alkali resistance, incapability of exceeding standards or negative influence on some products, and the products belong to anionic products and cannot be used in the same bath with other after-finishing products, so that the cost of the processing process is increased, and the capacity is wasted. Therefore, the development of a novel antibacterial fabric which not only has the function of moisturizing, but also has the washing resistance and simultaneously has a certain antibacterial property is urgently needed; the development of the egg white peptide provided by the invention has the functions of resisting bacteria, finishing in one bath, being most suitable for human skin pH and the like which are not provided by other types of moisturizing finishing agents.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a preparation method of an egg white peptide finishing agent for fabrics.
The technical scheme of the invention is as follows:
a preparation method of an egg white peptide finishing agent for fabrics comprises the following steps:
step one, hydrolyzing egg materials to obtain egg white hydrolysate;
step two, hydrolyzing the eggs by using protease, and then carrying out precipitation separation to obtain supernatant;
step three, dialyzing the supernatant to obtain a polypeptide solution;
step four, reacting chitosan with the polypeptide solution at 55-65 ℃ and pH of 5.2-5.8 for 7-10h to obtain polypeptide chitosan;
fifthly, adding a silane coupling agent, and carrying out modification reaction with polypeptide chitosan for 18-24h at the temperature of 55-65 ℃ to obtain a modified egg white peptide aqueous solution;
and sixthly, drying in vacuum to obtain the egg white peptide finishing agent.
Preferably, in the third step, the polypeptide solution contains 3-10% by weight of the polypeptide.
Preferably, in the fourth step, the chitosan and polypeptide solution is (2-8): 100.
further preferably, in the fourth step, the chitosan is quaternized chitosan.
Further preferably, the preparation method of the quaternized chitosan comprises the following steps: and adding glycidol trimethyl ammonium chloride into a chitosan acetic acid aqueous solution with the mass fraction of 2-5%, and heating for reacting for 8-10h to obtain the quaternized chitosan.
Preferably, in the fifth step, the silane coupling agent is KH-560.
Preferably, the method for finishing the fabric by the egg white peptide finishing agent comprises the following steps: a. preparing a finishing liquid; b. and (5) padding and drying the textile.
Preferably, in the step a, the content of the egg white peptide finishing agent in the finishing liquid is 25-35g/L, and the balance is deionized water.
The invention has the advantages that: the invention provides a preparation method of an egg white peptide finishing agent for fabrics, which comprises the following steps: hydrolyzing egg material to obtain egg white hydrolysate; hydrolyzing egg with protease, and separating precipitate to obtain supernatant; dialyzing the supernatant to obtain a polypeptide solution; then reacting chitosan with polypeptide solution at 55-65 deg.C and pH of 5.2-5.8 for 7-10h to obtain polypeptide chitosan; then adding a silane coupling agent to perform modification reaction with polypeptide chitosan for 18-24h at the temperature of 55-65 ℃ to obtain a modified egg white peptide aqueous solution; and drying in vacuum to obtain the egg white peptide finishing agent. The natural egg white peptide modified by enzymolysis has amino, hydroxyl and cationic properties, and has the effects of moisture absorption, moisture retention and antibiosis after finishing the fabric, so the natural egg white peptide is a natural moisture-retention antibacterial material.
Detailed Description
Example 1
A preparation method of an egg white peptide finishing agent for fabrics comprises the following steps:
step one, hydrolyzing egg materials to obtain egg white hydrolysate;
step two, hydrolyzing the eggs by using protease, and then carrying out precipitation separation to obtain supernatant;
step three, dialyzing the supernatant to obtain a polypeptide solution; the weight ratio content of the polypeptide is 6.5%;
step four, reacting quaternized chitosan with the polypeptide solution at 60 ℃ and pH of 5.5 for 8 hours to obtain polypeptide chitosan; the quaternized chitosan and polypeptide solution is 5: 100, respectively;
fifthly, adding a silane coupling agent KH-560, and carrying out modification reaction with polypeptide chitosan at 60 ℃ for 20h to obtain a modified egg white peptide aqueous solution;
and sixthly, drying in vacuum to obtain the egg white peptide finishing agent.
In the fourth step, the preparation method of the quaternized chitosan comprises the following steps: and adding glycidol trimethyl ammonium chloride into a chitosan acetic acid aqueous solution with the mass fraction of 3.5%, and heating for reacting for 8.5h to obtain the quaternized chitosan.
Example 2
A preparation method of an egg white peptide finishing agent for fabrics comprises the following steps:
step one, hydrolyzing egg materials to obtain egg white hydrolysate;
step two, hydrolyzing the eggs by using protease, and then carrying out precipitation separation to obtain supernatant;
step three, dialyzing the supernatant to obtain a polypeptide solution; the weight ratio content of the polypeptide is 10%;
step four, reacting quaternized chitosan with the polypeptide solution at 65 ℃ and pH of 5.2 for 10 hours to obtain polypeptide chitosan; the quaternized chitosan and polypeptide solution is 2: 100, respectively;
fifthly, adding a silane coupling agent KH-560, and carrying out modification reaction with polypeptide chitosan at 65 ℃ for 18h to obtain a modified egg white peptide aqueous solution;
and sixthly, drying in vacuum to obtain the egg white peptide finishing agent.
In the fourth step, the preparation method of the quaternized chitosan comprises the following steps: and adding glycidol trimethyl ammonium chloride into a chitosan acetic acid aqueous solution with the mass fraction of 5%, and heating for reacting for 8 hours to obtain the quaternized chitosan.
Example 3
A preparation method of an egg white peptide finishing agent for fabrics comprises the following steps:
step one, hydrolyzing egg materials to obtain egg white hydrolysate;
step two, hydrolyzing the eggs by using protease, and then carrying out precipitation separation to obtain supernatant;
step three, dialyzing the supernatant to obtain a polypeptide solution; the weight ratio content of the polypeptide is 3%;
step four, reacting quaternized chitosan with the polypeptide solution at 55 ℃ and pH of 5.8 for 7 hours to obtain polypeptide chitosan; the quaternized chitosan and polypeptide solution is 8: 100, respectively;
fifthly, adding a silane coupling agent KH-560, and carrying out modification reaction with polypeptide chitosan for 24 hours at the temperature of 55 ℃ to obtain a modified egg white peptide aqueous solution;
and sixthly, drying in vacuum to obtain the egg white peptide finishing agent.
In the fourth step, the preparation method of the quaternized chitosan comprises the following steps: and adding glycidol trimethyl ammonium chloride into a chitosan acetic acid aqueous solution with the mass fraction of 2%, and heating for reaction for 10 hours to obtain the quaternized chitosan.
Example 4
A preparation method of an egg white peptide finishing agent for fabrics comprises the following steps:
step one, hydrolyzing egg materials to obtain egg white hydrolysate;
step two, hydrolyzing the eggs by using protease, and then carrying out precipitation separation to obtain supernatant;
step three, dialyzing the supernatant to obtain a polypeptide solution; the weight ratio content of the polypeptide is 8%;
step four, reacting quaternized chitosan with the polypeptide solution at 62 ℃ and pH of 5.2 for 7 hours to obtain polypeptide chitosan; the quaternized chitosan and polypeptide solution is 8: 100, respectively;
fifthly, adding a silane coupling agent KH-560, and carrying out modification reaction with polypeptide chitosan at 65 ℃ for 18h to obtain a modified egg white peptide aqueous solution;
and sixthly, drying in vacuum to obtain the egg white peptide finishing agent.
In the fourth step, the preparation method of the quaternized chitosan comprises the following steps: and adding glycidol trimethyl ammonium chloride into a chitosan acetic acid aqueous solution with the mass fraction of 2%, and heating for reaction for 10 hours to obtain the quaternized chitosan.
Example 5
A preparation method of an egg white peptide finishing agent for fabrics comprises the following steps:
step one, hydrolyzing egg materials to obtain egg white hydrolysate;
step two, hydrolyzing the eggs by using protease, and then carrying out precipitation separation to obtain supernatant;
step three, dialyzing the supernatant to obtain a polypeptide solution; the weight ratio content of the polypeptide is 10%;
step four, reacting quaternized chitosan with the polypeptide solution at 65 ℃ and pH of 5.8 for 10 hours to obtain polypeptide chitosan; the quaternized chitosan and polypeptide solution is 2: 100, respectively;
fifthly, adding a silane coupling agent KH-560, and carrying out modification reaction with polypeptide chitosan for 24 hours at the temperature of 55 ℃ to obtain a modified egg white peptide aqueous solution;
and sixthly, drying in vacuum to obtain the egg white peptide finishing agent.
In the fourth step, the preparation method of the quaternized chitosan comprises the following steps: and adding glycidol trimethyl ammonium chloride into a chitosan acetic acid aqueous solution with the mass fraction of 5%, and heating for reaction for 10 hours to obtain the quaternized chitosan.
Comparative example 1
The quaternized chitosan in example 1 was replaced with unmodified chitosan, and the rest of the formulation and preparation method were unchanged.
Comparative example 2
Step five in example 1 was removed, and the rest of the formulation and preparation method were unchanged.
The egg white peptide finishes prepared in examples 1-5 and comparative examples 1-2 were tested as follows (taking a pure cotton fabric as an example), and a fabric finishing was first carried out, the steps of the process for finishing the fabric being as follows: a. preparing a finishing liquid; b. and (5) padding and drying the textile.
In the step a, the content of the egg white peptide finishing agent in the finishing liquid is 30g/L, and the balance is deionized water.
Test 1: antibacterial performance test, method AATCC 100-2012.
Table 1: the antibacterial property test results of the pure cotton fabrics of examples 1 to 3 and comparative examples 1 to 2;
| the antibacterial rate is% | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| Escherichia coli | 99.9 | 99.9 | 99.9 | 92.8 | 72.8 |
| Staphylococcus aureus | 99.9 | 99.9 | 99.9 | 94.1 | 81.7 |
| Candida albicans | 99.9 | 99.9 | 99.9 | 90.7 | 68.5 |
From the above test data, it can be known that the egg white peptide finishing agent of the present invention has a very good antibacterial effect.
And (3) testing 2: the content of egg white peptide on the surface of the fabric is tested by the method according to GB/T5009.5-2016.
Table 2: the results of the egg white peptide content test on the surfaces of the fabrics of examples 1-3 and comparative examples 1-2;
| egg white peptide content% | Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 |
| Before washing with water | 0.91 | 0.92 | 0.92 | 0.88 | 0.95 |
| After washing for 10 times | 0.83 | 0.84 | 0.83 | 0.81 | 0.32 |
The test data show that the egg white peptide finishing agent has a very good fabric attachment effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A preparation method of an egg white peptide finishing agent for fabrics is characterized by comprising the following steps:
step one, hydrolyzing egg materials to obtain egg white hydrolysate;
step two, hydrolyzing the eggs by using protease, and then carrying out precipitation separation to obtain supernatant;
step three, dialyzing the supernatant to obtain a polypeptide solution;
step four, reacting chitosan with the polypeptide solution at 55-65 ℃ and pH of 5.2-5.8 for 7-10h to obtain polypeptide chitosan;
fifthly, adding a silane coupling agent, and carrying out modification reaction with polypeptide chitosan for 18-24h at the temperature of 55-65 ℃ to obtain a modified egg white peptide aqueous solution;
and sixthly, drying in vacuum to obtain the egg white peptide finishing agent.
2. The method for preparing an egg white peptide finishing agent for fabrics as claimed in claim 1, wherein in the third step, the polypeptide solution contains 3-10% by weight of the polypeptide.
3. The method for preparing the egg white peptide finishing agent for the fabrics as claimed in claim 1, wherein in the fourth step, the chitosan and polypeptide solution is (2-8): 100.
4. the method for preparing the egg white peptide finishing agent for the fabrics as claimed in claim 1, wherein in the fourth step, the chitosan is quaternized chitosan.
5. The method for preparing the egg white peptide finishing agent for the fabrics as claimed in claim 4, wherein the method for preparing the quaternized chitosan comprises the following steps: and adding glycidol trimethyl ammonium chloride into a chitosan acetic acid aqueous solution with the mass fraction of 2-5%, and heating for reacting for 8-10h to obtain the quaternized chitosan.
6. The method for preparing an egg white peptide finishing agent for fabrics as claimed in claim 1, wherein in the fifth step, the silane coupling agent is KH-560.
7. The preparation method of the egg white peptide finishing agent for the fabrics as claimed in any one of claims 1 to 6, wherein the egg white peptide finishing agent is used for finishing the fabrics by the following steps: a. preparing a finishing liquid; b. and (5) padding and drying the textile.
8. The method for preparing the egg white peptide finishing agent for the fabrics as claimed in claim 7, wherein in the step a, the content of the egg white peptide finishing agent in the finishing liquid is 25-35g/L, and the rest is deionized water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202011275965.3A CN112552425A (en) | 2020-11-16 | 2020-11-16 | Preparation method of egg white peptide finishing agent for fabric |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011275965.3A CN112552425A (en) | 2020-11-16 | 2020-11-16 | Preparation method of egg white peptide finishing agent for fabric |
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| CN112552425A true CN112552425A (en) | 2021-03-26 |
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| CN202011275965.3A Pending CN112552425A (en) | 2020-11-16 | 2020-11-16 | Preparation method of egg white peptide finishing agent for fabric |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263068A (en) * | 2021-12-30 | 2022-04-01 | 福建恒安集团有限公司 | Soft antibacterial finishing agent, preparation method and application process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003096671A (en) * | 2001-09-21 | 2003-04-03 | Marusho:Kk | Composition for processing fiber product and method for processing fiber product |
| CN102605619A (en) * | 2012-03-26 | 2012-07-25 | 苏州大学 | Sericin post-finishing method for cotton fabrics |
| CN102912646A (en) * | 2012-10-16 | 2013-02-06 | 湖州珍贝羊绒制品有限公司 | Wool fiber anti-felting finishing agent, preparation method and finishing process |
| CN107997984A (en) * | 2017-11-27 | 2018-05-08 | 肽源（广州）生物科技有限公司 | A kind of antibacterial peptide-chitosan complexes, its preparation method and its application |
| CN108359705A (en) * | 2018-03-17 | 2018-08-03 | 启东祥瑞建设有限公司 | A kind of preparation method of egg white enzymolysis polypeptide |
-
2020
- 2020-11-16 CN CN202011275965.3A patent/CN112552425A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003096671A (en) * | 2001-09-21 | 2003-04-03 | Marusho:Kk | Composition for processing fiber product and method for processing fiber product |
| CN102605619A (en) * | 2012-03-26 | 2012-07-25 | 苏州大学 | Sericin post-finishing method for cotton fabrics |
| CN102912646A (en) * | 2012-10-16 | 2013-02-06 | 湖州珍贝羊绒制品有限公司 | Wool fiber anti-felting finishing agent, preparation method and finishing process |
| CN107997984A (en) * | 2017-11-27 | 2018-05-08 | 肽源（广州）生物科技有限公司 | A kind of antibacterial peptide-chitosan complexes, its preparation method and its application |
| CN108359705A (en) * | 2018-03-17 | 2018-08-03 | 启东祥瑞建设有限公司 | A kind of preparation method of egg white enzymolysis polypeptide |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114263068A (en) * | 2021-12-30 | 2022-04-01 | 福建恒安集团有限公司 | Soft antibacterial finishing agent, preparation method and application process thereof |
| CN114263068B (en) * | 2021-12-30 | 2022-10-04 | 福建恒安集团有限公司 | Soft antibacterial finishing agent, preparation method and application process thereof |
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