CN111206429A - Preparation method of medical and health material with trapping, killing and antibacterial multi-stage barrier functions - Google Patents
Preparation method of medical and health material with trapping, killing and antibacterial multi-stage barrier functions Download PDFInfo
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- CN111206429A CN111206429A CN202010177911.7A CN202010177911A CN111206429A CN 111206429 A CN111206429 A CN 111206429A CN 202010177911 A CN202010177911 A CN 202010177911A CN 111206429 A CN111206429 A CN 111206429A
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- 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
- D06M15/11—Starch or derivatives thereof
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- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
-
- 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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- 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
Abstract
The invention discloses a preparation method of a medical and sanitary material with a capturing, killing and bacteriostatic multi-stage barrier function, which comprises the following steps: step one, pretreating gray fabric: preparing a sodium hydroxide solution with the concentration of 2% according to the proportion of 30-40ml/g of the fabric, putting the fabric into alkali liquor, boiling for 10min, taking out, rinsing the fabric with clear water until the fabric is completely detected; and step two, preparing a padding finishing agent. The invention relates to a high-end medical and sanitary material based on a multi-stage blocking melt spinning and gathering fiber material technology, which enables a target product to form a multi-layer designable space microscopic gap and a microscopic polar fiber characteristic through a controllable gradient forming technology, a functional group modification technology and the like, and enables the material to have multiple performances of electrostatic multiple adsorption and retention, killing and bacteriostasis.
Description
Technical Field
The invention relates to the technical field of novel medical and health materials, in particular to a preparation method of a medical and health material with a capturing, killing and antibacterial multi-stage barrier function.
Background
With the improvement of living standard and the continuous enhancement of pursuit of health living consciousness of people, the demand of medical and health protection materials is rapidly increased in recent years. However, the whole technical level of the domestic medical and health industry is low, the bottom homogenization phenomenon is serious, the defects of single product function, poor comfort and the like exist, the current market demand is difficult to meet, and high-quality products still depend on foreign import.
Disclosure of Invention
The invention aims to provide a preparation method of a medical and sanitary material with a capturing, killing and bacteriostasis multi-stage barrier function, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention also provides a preparation method of the medical and sanitary material with the functions of killing, inhibiting bacteria and multi-stage blocking, which comprises the following steps:
step one, pretreating gray fabric: preparing a sodium hydroxide solution with the concentration of 2% according to the proportion of 30-40ml/g of the fabric, putting the fabric into alkali liquor, boiling for 10min, taking out, rinsing the fabric with clear water until the fabric is completely detected;
step two, preparing a padding finishing agent: adding 10-20 parts of modified starch into a magnetic stirrer, adding deionized water, starting the stirrer, stirring at 55-65 ℃ until the modified starch is gelatinized, then adding 1-5 parts of a prepared silver nitrate solution, stirring at a rotating speed of 100-200r/min for 10-20min, then adding 1-3 parts of cobalt chloride, continuing stirring for 30-40min, after stirring, taking out, and adopting60CorIrradiating by a radiation source, and obtaining nano silver sol after irradiation is finished; then, mixing the nano-silver sol, ATB9800 and TPM9007 according to the weight ratio of 0.2:3:2, adding into a reaction bottle, and then adding deionized water to prepare a padding finishing agent;
step three, one-bath finishing treatment: taking 20-100 g/L of the secondary padding finishing agent in the step and the grey cloth pretreated in the step I, and then treating by adopting a secondary padding and secondary rolling process, wherein the padding temperature is 10-30 ℃, and the mangle yield is 60-90%;
step four, drying treatment: drying the fabric treated in the third step by hot air at 100-120 ℃, wherein the drying time is 2-3 min;
step five, baking treatment: then baking for 60-120 s under the conditions of 160-.
Preferably, the preparation method of the modified starch comprises the following steps: the modified starch is prepared by performing steam explosion treatment on starch, then placing the starch in a three-neck flask to prepare starch milk, adding certain aluminum silicate solution and NaOH, mixing and sealing, charging nitrogen, discharging air, then adding wollastonite powder, stirring at the rotation speed of 200 and 1000r/min for 20-30min, then centrifuging, washing and drying.
Preferably, the explosion pressure of the steam explosion treatment is 2-10MPa, and the explosion time is 2-5 min.
Preferably, the explosion pressure of the steam explosion treatment is 6MPa, and the explosion time is 3.5 min.
Preferably, the prepared silver nitrate solution is prepared by mixing 0.05mol/L silver nitrate solution and 1% sodium citrate solution.
Preferably, the60CorThe specific conditions of the irradiation treatment by the radiation source are as follows: the total radiation dose is 2-5kGy, the radiation metering rate is 30-35Gy/min, and the radiation time is 0.2-0.8 h.
Preferably, the total radiation dose is 3.5kGy, the dosimetry rate is 32.5Gy/min, and the irradiation time is 0.5 h.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a high-end medical and sanitary material based on a multi-stage blocking melt spinning and gathering fiber material technology, which enables a target product to form a multi-layer designable space microscopic gap and a microscopic polar fiber characteristic through a controllable gradient forming technology, a functional group modification technology and the like, and enables the material to have multiple performances of electrostatic multiple adsorption and retention, killing and bacteriostasis. The invention can fill up the domestic blank, achieve international leading, improve the added value of the product and has great significance for promoting the health development of high-end medical and health materials in China. The product can meet the requirements of operation infection control, medical protection, rehabilitation nursing and health nursing in the medical and sanitary field, and is widely applied to the fields of medical operation clothes and caps, medical care masks, operation bags, medical mattresses, infant and baby nursing products, adult and old people incontinence products, women sanitary products and the like.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the preparation method of the medical and health material with the capturing, killing and bacteriostasis multi-stage barrier functions comprises the following steps:
step one, pretreating gray fabric: preparing a sodium hydroxide solution with the concentration of 2% according to the proportion of 30ml/g of the fabric, putting the fabric into an alkali liquor, boiling for 10min, taking out, rinsing the fabric with clear water until the fabric is completely detected;
step two, preparing a padding finishing agent: adding 10 parts of modified starch into a magnetic stirrer, adding deionized water, starting the stirrer, stirring at 55 ℃ until the modified starch is gelatinized, then adding 1 part of prefabricated silver nitrate solution, stirring at the rotating speed of 100r/min for 10min, then adding 1 part of cobalt chloride, continuing stirring for 30min, and taking out after stirring is finished, wherein the modified starch is prepared by adopting a method of adding deionized water into the stirrer60CorIrradiating by a radiation source, and obtaining nano silver sol after irradiation is finished; then, mixing the nano-silver sol, ATB9800 and TPM9007 according to the weight ratio of 0.2:3:2, adding into a reaction bottle, and then adding deionized water to prepare a padding finishing agent;
step three, one-bath finishing treatment: taking 20g/L of the step two-dipping finishing agent and the grey cloth pretreated in the step one, and then adopting a two-dipping two-rolling process for treatment, wherein the dipping temperature is 10 ℃, and the mangle yield is 600%;
step four, drying treatment: drying the fabric processed in the step three by hot air at 100 ℃ for 2 min;
step five, baking treatment: then baking for 60s at 160 ℃, and finally finishing processing and producing the cloth to obtain the medical and sanitary material.
The preparation method of the modified starch of this example is: the modified starch is prepared by firstly carrying out steam explosion treatment on starch, then placing the starch in a three-neck flask to prepare starch milk, then adding certain aluminum silicate solution and NaOH, mixing and sealing, charging nitrogen, discharging air, then adding wollastonite powder, stirring at the rotating speed of 200r/min for 20min, then centrifuging, washing and drying.
The explosion pressure of the steam explosion treatment in this example was 2MPa, and the explosion time was 2 min.
The prepared silver nitrate solution of the embodiment is prepared by mixing 0.05mol/L silver nitrate solution and 1% sodium citrate solution.
Of the present embodiment60CorThe specific conditions of the irradiation treatment by the radiation source are as follows: the total radiation dose is 2kGy, the radiation metering rate is 30Gy/min, and the radiation time is 0.2 h.
Example 2:
the preparation method of the medical and health material with the capturing, killing and bacteriostasis multi-stage barrier functions comprises the following steps:
step one, pretreating gray fabric: preparing a sodium hydroxide solution with the concentration of 2% according to the proportion of 40ml/g of the fabric, putting the fabric into an alkali liquor, boiling for 10min, taking out, rinsing the fabric with clear water until the fabric is completely detected;
step two, preparing a padding finishing agent: adding 20 parts of modified starch into a magnetic stirrer, adding deionized water, starting the stirrer, stirring at 65 ℃ until the modified starch is gelatinized, then adding 1-5 parts of prepared silver nitrate solution, stirring at the rotating speed of 200r/min for 20min, then adding 3 parts of cobalt chloride, continuing stirring for 40min, taking out after stirring is finished, and adopting60CorIrradiating by a radiation source, and obtaining nano silver sol after irradiation is finished; then, mixing the nano-silver sol, ATB9800 and TPM9007 according to the weight ratio of 0.2:3:2, adding into a reaction bottle, and then adding deionized water to prepare a padding finishing agent;
step three, one-bath finishing treatment: taking 100g/L of the step two-dipping finishing agent and the grey cloth pretreated in the step one, and then adopting a two-dipping two-rolling process for treatment, wherein the dipping temperature is 30 ℃, and the mangle yield is 90%;
step four, drying treatment: drying the fabric processed in the third step by hot air at 120 ℃ for 3 min;
step five, baking treatment: then baking for 120s at 175 ℃, and finally finishing processing and producing the cloth, thus obtaining the medical and sanitary material of the invention.
The preparation method of the modified starch of this example is: the modified starch is prepared by firstly carrying out steam explosion treatment on starch, then placing the starch in a three-neck flask to prepare starch milk, then adding certain aluminum silicate solution and NaOH, mixing and sealing, charging nitrogen, discharging air, then adding wollastonite powder, stirring at the rotating speed of 1000r/min for 30min, then centrifuging, washing and drying.
The explosion pressure of the steam explosion treatment in this example was 10MPa, and the explosion time was 5 min.
The prepared silver nitrate solution of the embodiment is prepared by mixing 0.05mol/L silver nitrate solution and 1% sodium citrate solution.
Of the present embodiment60CorThe specific conditions of the irradiation treatment by the radiation source are as follows: the total radiation dose is 5kGy, the radiation metering rate is 35Gy/min, and the radiation time is 0.8 h.
Example 3:
the preparation method of the medical and health material with the capturing, killing and bacteriostasis multi-stage barrier functions comprises the following steps:
step one, pretreating gray fabric: preparing a sodium hydroxide solution with the concentration of 2% according to the proportion of 35ml/g of the fabric, putting the fabric into an alkali liquor, boiling for 10min, taking out, rinsing the fabric with clear water until the fabric is completely detected;
step two, preparing a padding finishing agent: adding 15 parts of modified starch into a magnetic stirrer, adding deionized water, starting the stirrer, stirring at the stirring temperature of 60 ℃ until the modified starch is gelatinized, then adding 1-5 parts of prepared silver nitrate solution, stirring at the rotating speed of 150r/min for 15min, then adding 2 parts of cobalt chloride, continuing stirring for 35min, taking out after the stirring is finished, and adopting60CorIrradiating by a radiation source, and obtaining nano silver sol after irradiation is finished; then adding the nano-silver sol, ATB9800 and TPM9007 into a reaction bottle in a weight ratio of 0.2:3:2, and then addingPreparing deionized water to obtain a padding finishing agent;
step three, one-bath finishing treatment: taking 20-100 g/L of the secondary padding finishing agent in the step and the grey cloth pretreated in the step I, and then treating by adopting a secondary padding and secondary rolling process, wherein the padding temperature is 15 ℃, and the mangle yield is 75%;
step four, drying treatment: drying the fabric treated in the step three by hot air at 110 ℃ for 2.5 min;
step five, baking treatment: then baking for 90s at 170 ℃, and finally finishing processing and producing the cloth to obtain the medical and sanitary material of the invention.
The preparation method of the modified starch of this example is: the modified starch is prepared by firstly carrying out steam explosion treatment on starch, then placing the starch in a three-neck flask to prepare starch milk, then adding certain aluminum silicate solution and NaOH, mixing and sealing, charging nitrogen, discharging air, then adding wollastonite powder, stirring at the rotating speed of 600r/min for 25min, then centrifuging, washing and drying.
The explosion pressure of the steam explosion treatment in this example was 6MPa, and the explosion time was 3.5 min.
The prepared silver nitrate solution of the embodiment is prepared by mixing 0.05mol/L silver nitrate solution and 1% sodium citrate solution.
Of the present embodiment60CorThe specific conditions of the irradiation treatment by the radiation source are as follows: the total radiation dose is 3.5kGy, the radiation metering rate is 32.5Gy/min, and the radiation time is 0.5 h.
Comparative example 1:
the materials and preparation process are basically the same as those of example 3, except that the materials on the market are adopted.
The materials of examples 1-3 and comparative example 1 were subjected to performance tests, and the test results are shown in Table 1
TABLE 1
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A preparation method of a medical and health material with a capturing, killing and bacteriostatic multi-stage barrier function is characterized by comprising the following steps:
step one, pretreating gray fabric: preparing a sodium hydroxide solution with the concentration of 2% according to the proportion of 30-40ml/g of the fabric, putting the fabric into alkali liquor, boiling for 10min, taking out, rinsing the fabric with clear water until the fabric is completely detected;
step two, preparing a padding finishing agent: adding 10-20 parts of modified starch into a magnetic stirrer, adding deionized water, starting the stirrer, stirring at 55-65 ℃ until the modified starch is gelatinized, then adding 1-5 parts of a prepared silver nitrate solution, stirring at a rotating speed of 100-200r/min for 10-20min, then adding 1-3 parts of cobalt chloride, continuing stirring for 30-40min, after stirring, taking out, and adopting60CorIrradiating by a radiation source, and obtaining nano silver sol after irradiation is finished; then, mixing the nano-silver sol, ATB9800 and TPM9007 according to the weight ratio of 0.2:3:2, adding into a reaction bottle, and then adding deionized water to prepare a padding finishing agent;
step three, one-bath finishing treatment: taking 20-100 g/L of the secondary padding finishing agent in the step and the grey cloth pretreated in the step I, and then treating by adopting a secondary padding and secondary rolling process, wherein the padding temperature is 10-30 ℃, and the mangle yield is 60-90%;
step four, drying treatment: drying the fabric treated in the third step by hot air at 100-120 ℃, wherein the drying time is 2-3 min;
step five, baking treatment: then baking for 60-120 s under the conditions of 160-.
2. The preparation method of the medical and health material with the capturing, killing and bacteriostasis multi-stage barrier functions as claimed in claim 1, wherein the preparation method of the modified starch is as follows: the modified starch is prepared by performing steam explosion treatment on starch, then placing the starch in a three-neck flask to prepare starch milk, adding certain aluminum silicate solution and NaOH, mixing and sealing, charging nitrogen, discharging air, then adding wollastonite powder, stirring at the rotation speed of 200 and 1000r/min for 20-30min, then centrifuging, washing and drying.
3. The preparation method of the medical and health material with the functions of killing and inhibiting bacteria and multi-stage barrier as claimed in claim 2, wherein the explosion pressure of the steam explosion treatment is 2-10MPa, and the explosion time is 2-5 min.
4. The method for preparing a medical and health material with the functions of killing and inhibiting bacteria and multi-stage barrier according to claim 3, wherein the explosion pressure of the steam explosion treatment is 6MPa, and the explosion time is 3.5 min.
5. The preparation method of the medical and health material with the capturing, killing and bacteriostasis multistage barrier functions as claimed in claim 2, wherein the pre-prepared silver nitrate solution is prepared by mixing 0.05mol/L silver nitrate solution and 1% sodium citrate solution.
6. The medical and sanitary material with the functions of catching, killing and inhibiting bacteria and multi-stage barrier according to claim 1A method for preparing a material, characterized in that60CorThe specific conditions of the irradiation treatment by the radiation source are as follows: the total radiation dose is 2-5kGy, the radiation metering rate is 30-35Gy/min, and the radiation time is 0.2-0.8 h.
7. The preparation method of the medical and health material with the functions of killing and inhibiting bacteria and multi-stage barrier according to claim 6, wherein the total radiation dose is 3.5kGy, the radiation metering rate is 32.5Gy/min, and the radiation time is 0.5 h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010177911.7A CN111206429A (en) | 2020-03-13 | 2020-03-13 | Preparation method of medical and health material with trapping, killing and antibacterial multi-stage barrier functions |
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| CN202010177911.7A CN111206429A (en) | 2020-03-13 | 2020-03-13 | Preparation method of medical and health material with trapping, killing and antibacterial multi-stage barrier functions |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328654A (en) * | 2014-10-31 | 2015-02-04 | 南通大学 | High-performance three-proofing antibiotic fabric and finishing method thereof |
| CN108948260A (en) * | 2018-06-11 | 2018-12-07 | 肇庆市盛浩新材料科技有限公司 | The antibacterial sterile material of irradiation method production |
-
2020
- 2020-03-13 CN CN202010177911.7A patent/CN111206429A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104328654A (en) * | 2014-10-31 | 2015-02-04 | 南通大学 | High-performance three-proofing antibiotic fabric and finishing method thereof |
| CN108948260A (en) * | 2018-06-11 | 2018-12-07 | 肇庆市盛浩新材料科技有限公司 | The antibacterial sterile material of irradiation method production |
Non-Patent Citations (1)
| Title |
|---|
| 李路海编著: "《印刷包装功能材料》", 31 January 2013 * |
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