CN117210290A - Composite protein composition with multiple effects and preparation method and application thereof - Google Patents
Composite protein composition with multiple effects and preparation method and application thereof Download PDFInfo
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- 102000004169 proteins and genes Human genes 0.000 title claims abstract description 92
- 108090000623 proteins and genes Proteins 0.000 title claims abstract description 92
- 239000000203 mixture Substances 0.000 title claims abstract description 39
- 230000000694 effects Effects 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002131 composite material Substances 0.000 title claims description 3
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000007864 aqueous solution Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 19
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 108010001336 Horseradish Peroxidase Proteins 0.000 claims abstract description 10
- 239000008367 deionised water Substances 0.000 claims abstract description 8
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 3
- 238000003756 stirring Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 11
- 229920001577 copolymer Polymers 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000012460 protein solution Substances 0.000 claims description 10
- 235000017060 Arachis glabrata Nutrition 0.000 claims description 8
- 244000105624 Arachis hypogaea Species 0.000 claims description 8
- 235000010777 Arachis hypogaea Nutrition 0.000 claims description 8
- 235000018262 Arachis monticola Nutrition 0.000 claims description 8
- 241000209140 Triticum Species 0.000 claims description 8
- 235000021307 Triticum Nutrition 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000006460 hydrolysis reaction Methods 0.000 claims description 8
- 235000020232 peanut Nutrition 0.000 claims description 8
- 108010022355 Fibroins Proteins 0.000 claims description 7
- 108010076876 Keratins Proteins 0.000 claims description 7
- 102000011782 Keratins Human genes 0.000 claims description 7
- 108010013296 Sericins Proteins 0.000 claims description 7
- 210000000085 cashmere Anatomy 0.000 claims description 7
- 235000012343 cottonseed oil Nutrition 0.000 claims description 6
- 239000000243 solution Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 229920002494 Zein Polymers 0.000 claims description 3
- 239000005019 zein Substances 0.000 claims description 3
- 229940093612 zein Drugs 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 108010055615 Zein Proteins 0.000 claims 2
- 230000000996 additive effect Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 abstract description 42
- 238000005406 washing Methods 0.000 abstract description 24
- 239000000835 fiber Substances 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 4
- 239000003599 detergent Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 13
- 238000012360 testing method Methods 0.000 description 9
- 102000004190 Enzymes Human genes 0.000 description 7
- 108090000790 Enzymes Proteins 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 240000008042 Zea mays Species 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
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- 238000010025 steaming Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000004902 Softening Agent Substances 0.000 description 1
- 102000003425 Tyrosinase Human genes 0.000 description 1
- 108060008724 Tyrosinase Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
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- 238000011056 performance test Methods 0.000 description 1
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- 230000009044 synergistic interaction Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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Abstract
The invention relates to the field of A61K8/18, in particular to a compound protein composition with multiple effect, a preparation method and application thereof, wherein the preparation raw materials at least comprise the following components in parts by weight: 10-30 parts of natural protein, 1-2 parts of N-vinyl pyrrolidone, 8-12 parts of hydrogen peroxide aqueous solution, 8-12 parts of horseradish peroxidase aqueous solution and 150-220 parts of deionized water, the composition overcomes the defect that the single effect of the traditional clothing product cannot meet the requirement of consumers, effectively improves the damage of fabrics, keeps the integrity of fabric fibers, avoids the problem of skin-friendly property of the fabrics after the fabrics are washed, has higher compatibility, and can be added into clothing washing products.
Description
Technical Field
The invention relates to the field of A61K8/18, in particular to a compound protein composition with multiple effect, a preparation method and application thereof.
Background
With the increasing level of living of people, standards for wearing clothes are also increased, and the demands of delicate care on some expensive and delicate clothes are relatively large. The existing clothing products mainly take single functions such as color protection, antistatic and softening and common cleaning functions as main, the functions realized by the existing fabric care technology are relatively single, the single functions such as color protection, antistatic and softening are realized by one or more functional components, the problems of functional limitation and no comprehensive realization of the functions on nursing clothing exist, and the consumers who need delicate nursing clothing hope to have the appearance of multi-effect functional integrated clothing products. The existing products on the market have single effect, but are not comprehensive and have limited effect, and cannot realize effective protective clothing with multiple effects. For example, chinese patent application CN 102333853a discloses a composition for washing and then drying delicate laundry without causing any damage and a method of using the same, in which cleaning effect is achieved on laundry while avoiding size change, dye or color loss by using water and certain additives instead of organic solvents, but the composition is mainly for cleaning, and does not provide comprehensive care for expensive and delicate laundry, and in addition, the fabric inevitably causes various degrees of damage to the fabric surface fibers after friction of multiple washing, and there is a problem of skin-friendly property after washing the fabric.
Disclosure of Invention
In order to overcome the defect that the single effect of the traditional clothing products cannot meet the demands of consumers, the compound protein composition with multiple effect is provided, the damage of fabrics is effectively improved, the integrity of the fibers of the fabrics is maintained, the problem of skin-friendly property of the fabrics after the fabrics are washed is avoided, and meanwhile, the composition has higher compatibility and can be added into clothing washing products.
The invention provides a compound protein composition with multiple effects, which is prepared from the following raw materials in parts by weight: 10-30 parts of natural protein, 1-6 parts of N-vinyl pyrrolidone, 8-12 parts of hydrogen peroxide aqueous solution, 8-12 parts of horseradish peroxidase aqueous solution and 150-220 parts of deionized water.
As a preferable technical scheme, the natural protein is one or a combination of more of fibroin, wheat protein, cashmere keratin, cottonseed protein, sericin, corn protein and peanut protein. Preferably, the natural protein is a combination of four of fibroin, wheat protein, cashmere keratin, cottonseed protein, sericin, corn protein and peanut protein.
As a preferable technical scheme, the N-vinyl pyrrolidone is an aqueous solution of N-vinyl pyrrolidone with the concentration of 10g/L to 200 g/L. Preferably, the N-vinyl pyrrolidone is an aqueous solution of N-vinyl pyrrolidone of 20g/L to 120 g/L.
Based on the system of the invention, the mass ratio of the natural protein to the N-vinyl pyrrolidone is controlled to be (10-30) by controlling the introduction of 20g/L to 120g/L of N-vinyl pyrrolidone aqueous solution: (1.5-5), the natural protein and the N-vinyl pyrrolidone aqueous solution with the concentration form a copolymer, so that the natural protein is effectively attached and fixed on the surface of the fabric, a protective film is formed on the fabric to avoid the problem of skin-friendly property of the fabric after the fabric is washed, and various natural proteins act synergistically to realize the functions of color protection, antistatic, softening, ventilation and fiber protection on the fiber. The inventors analyzed the cause may be: under the processing condition of the system, the water solution of 20g/L to 120g/L of N-vinyl pyrrolidone and natural protein form a copolymer of hydrolyzed protein and polyvinylpyrrolidone, so that the surface of the clothes is smooth, and the elasticity of the clothes is maintained. The fibroin in the system has a moisturizing effect, has good hydrophilic force and strong permeability, and can ensure that the fabric fibers lock water; the wheat protein has ductility and elasticity, and can form a network structure with water, so that the wheat protein has excellent viscoelasticity, extensibility and water absorption, and the fabric fiber is more elastic and flexible; the cashmere keratin has stronger elongation and better hygroscopicity, so that the fabric is smooth in skin, fine in touch and has better antibacterial effect; the cottonseed protein has excellent antistatic, dispersing, emulsifying, wetting and penetrating capabilities, and can enable the fabric to be antistatic, skin-friendly and breathable; sericin is similar to natural moisture regulating factors in the stratum corneum of human skin, has the effects of inhibiting tyrosinase activity, making the fabric more skin-friendly and resisting oxidation of the fabric; zein has antistatic property, is an antioxidant and a softening agent, and can prevent fabrics from being electrostatically charged and oxidized. Peanut proteins have a clear antioxidant effect on free radicals. The effective attachment of the natural protein on the fabric fiber is realized under the action of the N-vinyl pyrrolidone, so that the natural protein can fully exert the synergistic interaction, and the defect that the single effect of the traditional clothing product can not meet the requirements of consumers is overcome.
As a preferable technical scheme, the concentration of the hydrogen peroxide aqueous solution is 0.01-10 g/L.
As a preferable technical scheme, the concentration of the horseradish peroxidase aqueous solution is 0.01-5 g/L.
In another aspect, the present invention provides a method for preparing a compound protein composition having multiple effects, comprising at least the steps of:
(1) Adding deionized water into a water bath stirring kettle according to parts by weight, and heating to 35-38 ℃ to obtain phase A;
(2) Adding hydrolase into the natural protein in the phase A, fully stirring to perform hydrolysis reaction, heating to 68-72 ℃ after the reaction is finished, stirring to react for 20-40min, cooling to room temperature, and filtering to obtain hydrolyzed protein solution;
(3) Adding N-vinyl pyrrolidone into a water bath stirring pot according to parts by weight to obtain a phase B;
(4) Adding hydrogen peroxide aqueous solution and horseradish peroxidase aqueous solution into the phase B, stirring and mixing for 15-30min to obtain N-vinyl pyrrolidone mixed solution;
(5) Adding a hydrolyzed protein solution into the N-vinyl pyrrolidone mixed solution under the condition of stirring, slowly heating to 70-80 ℃, and fully reacting to obtain a copolymer solution C phase;
(6) The temperature is controlled to be 80-100 ℃, and the copolymer solution C phase is decompressed, steamed and dehydrated.
As a preferable technical scheme, the hydrolysis reaction time in the step (2) is 1.5-2.5 h; the natural protein is controlled to carry out hydrolysis reaction for 1.5 to 2.5 hours in water at the temperature of 35 to 38 ℃ so as to fully hydrolyze the natural protein to obtain hydrolyzed protein, the residual enzyme is deactivated by heating, and the influence of the residual enzyme on the subsequent polymerization reaction and the formula matching compatibility in practical application is avoided.
As a preferable technical scheme, the reaction time in the step (5) is 4-6 h; based on the system, the hydrolyzed protein and polyvinylpyrrolidone copolymer is obtained by controlling the temperature to be 70-80 ℃ and carrying out polymerization reaction on N-vinyl pyrrolidone and hydrolyzed protein for 4-6 hours in the presence of an initiator, and various hydrolyzed proteins are effectively fixed, so that the provided composition is effectively added and applied to clothes washing and protecting products, the damage of fabrics is improved, and the integrity of fabric fibers is maintained.
The application of the compound protein composition with multiple effects is applied to the addition of clothes washing products. Preferably, the composition is applied to a laundry product in an amount of 0.1 to 10wt%.
The beneficial effects are that:
1. the invention provides a compound protein composition with multiple effects, which overcomes the defect that the single effect of the traditional clothing products cannot meet the demands of consumers, effectively improves the damage of fabrics, keeps the integrity of fabric fibers, avoids the problem of skin-friendly property of the fabrics after the fabrics are washed, has higher compatibility, and can be added into clothing washing products.
2. Based on the system of the invention, the mass ratio of the natural protein to the N-vinyl pyrrolidone is controlled to be (10-30) by controlling the introduction of 20g/L to 120g/L of N-vinyl pyrrolidone aqueous solution: (1.5-5), the natural protein and the N-vinyl pyrrolidone aqueous solution with the concentration form a copolymer, so that the natural protein is effectively attached and fixed on the surface of the fabric, a protective film is formed on the fabric to avoid the problem of skin-friendly property of the fabric after the fabric is washed, and various natural proteins act synergistically to realize the functions of color protection, antistatic, softening, ventilation and fiber protection on the fiber.
3. Based on the system, the natural protein is hydrolyzed in water at 35-38 ℃ for 1.5-2.5 hours, so that the natural protein is fully hydrolyzed to obtain hydrolyzed protein, and then the temperature is raised to inactivate residual enzyme, so that the influence of the residual enzyme on the subsequent polymerization reaction and the formula matching compatibility in practical application is avoided.
4. Based on the system, the hydrolyzed protein and polyvinylpyrrolidone copolymer is obtained by controlling the temperature to be 70-80 ℃ and carrying out polymerization reaction on N-vinyl pyrrolidone and hydrolyzed protein for 4-6 hours in the presence of an initiator, and various hydrolyzed proteins are effectively fixed, so that the provided composition is effectively added and applied to clothes washing and protecting products, the damage of fabrics is improved, and the integrity of fabric fibers is maintained.
Detailed Description
Example 1
The embodiment 1 of the invention provides a compound protein composition with multiple effect and a preparation method thereof, 180g of deionized water is added into a three-neck flask, the temperature is raised and stirred to 35 ℃,20g of natural protein is added, hydrolase is added, the hydrolysis is fully stirred for 2 hours, after the reaction is finished, the temperature is raised to 70 ℃ and the reaction is stirred for 30 minutes, the residual enzyme is deactivated, the temperature is reduced to 25 ℃, and the hydrolyzed protein solution is obtained by filtration; into another three-neck flask, 500ml of 30g/L N-vinyl pyrrolidone aqueous solution is added; adding 10ml of 1g/L hydrogen peroxide aqueous solution and 10ml of 0.5g/L horseradish peroxidase aqueous solution into the N-vinyl pyrrolidone aqueous solution, and fully stirring and uniformly mixing; then adding hydrolyzed protein solution, slowly heating to 80 ℃, and fully stirring at 80 ℃ for reacting for 5 hours to enable hydrolyzed protein and polyvinylpyrrolidone to react into a copolymer; performing reduced pressure rotary steaming, removing water at 100deg.C until no liquid is discharged, to obtain composition.
The natural proteins comprise 5g of wheat protein, 5g of cashmere keratin, 5g of cottonseed protein and 5g of peanut protein.
The application of the compound protein composition with multiple effects is applied to the addition of clothes washing products. The composition was applied to laundry products in an amount of 2wt%.
Example 2
The embodiment 2 of the invention provides a compound protein composition with multiple effect and a preparation method thereof, 180g of deionized water is added into a three-neck flask, the temperature is raised and stirred to 35 ℃,20g of natural protein is added, hydrolase is added, the hydrolysis is fully stirred for 2 hours, after the reaction is finished, the temperature is raised to 70 ℃ and the reaction is stirred for 30 minutes, the residual enzyme is deactivated, the temperature is reduced to 25 ℃, and the hydrolyzed protein solution is obtained by filtration; into another three-neck flask, 50g/L of N-vinyl pyrrolidone aqueous solution 500ml is added; adding 10ml of 2g/L hydrogen peroxide aqueous solution and 10ml of 1g/L horseradish peroxidase aqueous solution into the N-vinyl pyrrolidone aqueous solution, and fully stirring and uniformly mixing; then adding hydrolyzed protein solution, slowly heating to 80 ℃, and fully stirring at 80 ℃ for reacting for 5 hours to enable hydrolyzed protein and polyvinylpyrrolidone to react into a copolymer; performing reduced pressure rotary steaming, removing water at 100deg.C until no liquid is discharged, to obtain composition.
The natural proteins comprise 5g of fibroin, 5g of cashmere keratin, 5g of peanut protein and 5g of sericin.
The application of the compound protein composition with multiple effects is applied to the addition of clothes washing products. The composition was applied to laundry products in an amount of 1.5wt%.
Example 3
The embodiment 3 of the invention provides a compound protein composition with multiple effect and a preparation method thereof, 180g of deionized water is added into a three-neck flask, the temperature is raised and stirred to 35 ℃,20g of natural protein is added, hydrolase is added, the hydrolysis is fully stirred for 2 hours, after the reaction is finished, the temperature is raised to 70 ℃ and the reaction is stirred for 30 minutes, the residual enzyme is deactivated, the temperature is reduced to 25 ℃, and the hydrolyzed protein solution is obtained by filtration; into another three-neck flask, 500ml of 100g/L N-vinyl pyrrolidone aqueous solution is added; adding 10ml of 3g/L hydrogen peroxide aqueous solution and 10ml of 2g/L horseradish peroxidase aqueous solution into the N-vinyl pyrrolidone aqueous solution, and fully stirring and uniformly mixing; then adding hydrolyzed protein solution, slowly heating to 80 ℃, and fully stirring at 80 ℃ for reacting for 5 hours to enable hydrolyzed protein and polyvinylpyrrolidone to react into a copolymer; performing rotary evaporation under reduced pressure, removing water at 100deg.C until no liquid is discharged, and obtaining the composition.
The natural proteins comprise 5g of wheat protein, 5g of fibroin, 5g of peanut protein and 5g of sericin.
The application of the compound protein composition with multiple effects is applied to the addition of clothes washing products. The composition was applied to laundry products in an amount of 1.2wt%.
Performance test method
The washing and caring product is prepared by adding the compound protein composition with multiple-effect prepared in the example 1, the formula of the washing and caring product is shown in the following table, and the fabric softening effect test and stability of the washing and caring product are measured.
1. Stability of
(1) Low temperature stability: placing the liquid laundry detergent A and the liquid laundry detergent B in a refrigerator at (-5+/-2) ℃ for 24 hours, taking out, and recovering to room temperature for observation, wherein the liquid laundry detergent A and the liquid laundry detergent B have no peculiar smell, no sediment and no color change phenomenon.
(2) High temperature stability: placing the liquid laundry detergent A and the liquid laundry detergent B in an oven at 40+/-2 ℃ for 24 hours, taking out and immediately observing, wherein the liquid laundry detergent A and the liquid laundry detergent B have no peculiar smell, no sediment and no color change phenomenon.
2. Fabric softening effect test
(1) The purpose is as follows: the fabric is washed in a clothes washing mode, and the softening effect of the fabric is compared.
(2) Test equipment: laundry detergent A, laundry detergent B, a drum washing machine and a plurality of towels of the same type.
(3) The testing steps are as follows: in the field of use, the quick-wash mode treatment was performed by the washing machine for 3 groups of 5 identical towels each.
1) The mode of quick washing for 15min is carried out without adding laundry liquid, the process is repeated for 5 times, and the natural drying is carried out, and the blank control group.
2) Each time 10ml of laundry detergent A is added, the mode of quick washing is carried out for 15min, the process is repeated for 5 times, and the natural drying is carried out, and the mode is the experimental group 1.
3) Each time 10ml of laundry detergent B is added, the mode of quick washing is carried out for 15min, the process is repeated for 5 times, and the natural drying is carried out, and the mode is the experimental group 2.
4) After the test is finished, the towels of each group are scored and the results are observed by performing personnel sensory test evaluation.
(4) Test results
Sensory evaluation was performed on the softness of the towel, with a softness score from 0 to 5, and the following score records were made for 20 tested persons, with the results shown in table 1.
TABLE 1,
3. Friction test: referring to the test method of the surface friction performance of FZ/T01054-2012 fabrics, the static friction coefficient and the dynamic friction coefficient of the washed towels were tested under dry friction conditions, and the results are shown in table 2.
1. Treatment conditions
1) The mode of quick washing for 15min is carried out without adding laundry liquid, the process is repeated for 5 times, and the natural drying is carried out, and the blank control group.
2) Each time 10ml of laundry detergent A is added, the mode of quick washing is carried out for 15min, the process is repeated for 5 times, and the natural drying is carried out, and the mode is the experimental group 1.
3) Each time 10ml of laundry detergent B is added, the mode of quick washing is carried out for 15min, the process is repeated for 5 times, and the natural drying is carried out, and the mode is the experimental group 2.
2. The test results are shown in Table 2.
TABLE 2,
| Blank control group | Experiment group 1 | Experiment group 2 | |
| Coefficient of static friction mu s | 0.537 | 0.312 | 0.443 |
| Coefficient of dynamic friction mu k | 0.489 | 0.283 | 0.418 |
Note that: the higher the coefficient of friction, the greater the friction between the surfaces of the objects, and the coarser and less compliant the surface of the fabric.
Claims (10)
1. The compound protein composition with the multiple effect is characterized by comprising the following raw materials in parts by weight: 10-30 parts of natural protein, 1-6 parts of N-vinyl pyrrolidone, 8-12 parts of hydrogen peroxide aqueous solution, 8-12 parts of horseradish peroxidase aqueous solution and 150-220 parts of deionized water.
2. The multi-effect complex protein composition of claim 1, wherein the natural protein is one or more of fibroin, wheat protein, cashmere keratin, cottonseed protein, sericin, zein, and peanut protein.
3. The multi-effect complex protein composition of claim 2, wherein the natural protein is a combination of four of fibroin, wheat protein, cashmere keratin, cottonseed protein, sericin, zein, and peanut protein.
4. A multi-effect complex protein composition according to claim 3 wherein said N-vinylpyrrolidone is an aqueous solution of N-vinylpyrrolidone from 10g/L to 200 g/L.
5. The multi-effect complex protein composition of claim 4, wherein said N-vinylpyrrolidone is an aqueous solution of N-vinylpyrrolidone of 20g/L to 120 g/L.
6. The multi-effect complex protein composition according to claim 5, wherein the concentration of the aqueous hydrogen peroxide solution is 0.01 to 10g/L.
7. The use of a multi-effect complex protein composition according to claim 6, wherein the concentration of the aqueous horseradish peroxidase solution is 0.01-5 g/L.
8. A method for the preparation of a multi-effect complex protein composition according to any one of claims 1-7, comprising at least the steps of:
(1) Adding deionized water into a water bath stirring kettle according to parts by weight, and heating to 35-38 ℃ to obtain phase A;
(2) Adding hydrolase into the natural protein in the phase A, fully stirring to perform hydrolysis reaction, heating to 68-72 ℃ after the reaction is finished, stirring to react for 20-40min, cooling to room temperature, and filtering to obtain hydrolyzed protein solution;
(3) Adding N-vinyl pyrrolidone into a water bath stirring pot according to parts by weight to obtain a phase B;
(4) Adding hydrogen peroxide aqueous solution and horseradish peroxidase aqueous solution into the phase B, stirring and mixing for 15-30min to obtain N-vinyl pyrrolidone mixed solution;
(5) Adding a hydrolyzed protein solution into the N-vinyl pyrrolidone mixed solution under the condition of stirring, slowly heating to 70-80 ℃, and fully reacting to obtain a copolymer solution C phase;
(6) The temperature is controlled to be 80-100 ℃, and the copolymer solution C phase is decompressed, steamed and dehydrated.
9. The method for preparing a multi-effect composite protein composition according to claim 8, wherein the hydrolysis reaction time in the step (2) is 1.5-2.5 h; the reaction time in the step (5) is 4-6 h.
10. Use of a multi-effect complex protein composition according to any one of claims 1-7 for the additive application of laundry care products.
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