CN105949785A - Preparation method of high-toughness antimicrobial dough kneading mat - Google Patents
Preparation method of high-toughness antimicrobial dough kneading mat Download PDFInfo
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- CN105949785A CN105949785A CN201610414045.2A CN201610414045A CN105949785A CN 105949785 A CN105949785 A CN 105949785A CN 201610414045 A CN201610414045 A CN 201610414045A CN 105949785 A CN105949785 A CN 105949785A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The invention discloses a preparation method of a high-toughness antimicrobial dough kneading mat. The preparation method includes the steps that methyl vinyl silicone rubber, natural rubber and flexible antimicrobial microspheres are put in a mixer, and heating and heat preservation are conducted; then furnace black, methyl silicone oil and stearic acid are added, cooling and pressure boosting are conducted, after heat preservation and pressure preservation, cooling and pressure reducing are conducted, materials are discharged, rubber is sheared, and then the high-toughness antimicrobial dough kneading mat is obtained. The obtained dough kneading mat has excellent toughness and antimicrobial performance, low compressive deformation rate, a stable structure and good plasticity and ductility.
Description
Technical field
The present invention relates to food processing technology field, particularly relate to the preparation side of the antibacterial pad of kneading dough of a kind of high tenacity
Method.
Background technology
Silica gel pad of kneading dough is usually used in food pretreatment, has the resistance to bond of excellence, with hot water or cleaning agent i.e.
Easily remove the oil stain on surface, stain etc., and can Reusability；Heat resistance is good, and conventional heatproof reaches 200 DEG C
Above；Flexibility is good, and storage is convenient.Silicone baking mat is not viscous, the characteristic of heatproof makes this produce preferably for eating
The processing of product, can be used as table mat, mat applying, heat insulating mattress etc. simultaneously, is indispensable article in kitchen.
But the toughness of pad of often kneading dough and anti-microbial property are the best, it is desirable to provide a kind of antibacterial pad of kneading dough of high tenacity.
Summary of the invention
The technical problem existed based on background technology, the present invention proposes the system of the antibacterial pad of kneading dough of a kind of high tenacity
Preparation Method, gained pad of kneading dough has the toughness of excellence, anti-microbial property, and compressed shape variability is low, also has stable
Structure and good plasticity, ductility.
The present invention propose a kind of high tenacity antibacterial knead dough pad preparation method, by methyl vinyl silicone rubber,
Natural rubber, flexible antibacterial microsphere are placed in mixing roll, heat up, insulation；It is subsequently added into furnace black, first
Base silicone oil, stearic acid, then lower the temperature, boosting, after heat-insulation pressure keeping, and decrease temperature and pressure, discharging, cut glue and obtain
The antibacterial pad of kneading dough of high tenacity.
Preferably, methyl vinyl silicone rubber, natural rubber, flexible antibacterial microsphere are placed in mixing roll,
It is warming up to 150-160 DEG C, is incubated 5-6min；It is subsequently added into furnace black, methyl-silicone oil, stearic acid, cooling
To 135-140 DEG C, boost to 3.5-4.1MPa, after heat-insulation pressure keeping 20-25min, decrease temperature and pressure, discharging,
Cut glue and obtain the antibacterial pad of kneading dough of high tenacity.
Preferably, methyl vinyl silicone rubber, natural rubber, flexible antibacterial microsphere, furnace black, methyl
Silicone oil and stearic weight ratio are 60-65:12-14:6-18:1-2:3-5:2-4.
Preferably, the preparation method of flexible antibacterial microsphere is as follows:
S1, by after chitosan, aqueous oxalic acid mix homogeneously, continue to put into chlorinated paraffin 42, four chloromethane
Alkane, stirring followed by adds glutaraldehyde solution, is incubated, is subsequently added into nano titanium oxide, hydrogen after being warming up to
Sodium hydroxide solution, stands after stirring, sucking filtration, washing, and vacuum drying obtains material A；
S2, material A is put into ammonia and dehydrated alcohol composition mixed solution in, after standing, filter, washing,
It is dried to obtain material B；
S3, by bentonite, distilled water mix homogeneously, continue to put into sodium carbonate, after stirring, rise high-temperature,
Cool down after insulation, washing, be dried, grind and obtain material C；
S4, by material B, material C, silver nitrate solution, deionized water mix homogeneously, supersound process obtains thing
Material D, then filters, and washing is dried to obtain flexible antibacterial microsphere.
Preferably, the preparation method of flexible antibacterial microsphere is as follows:
S1, by weight by ethanedioic acid water that 8-10 part chitosan, 85-88 part mass fraction are 22-26wt%
After solution mix homogeneously, continuing to put into 45-50 part chlorinated paraffin 42,27-30 part tetrachloromethane, stirring is followed by
Addition 7-9 part mass fraction is the glutaraldehyde solution of 45-50wt%, is incubated, is subsequently added into 2-2.5 after intensification
Part nano titanium oxide, 6-9 part mass fraction are the sodium hydroxide solution of 20-22wt%, quiet after stirring
Putting 11-13h, sucking filtration, washing, vacuum drying obtains material A；
S2, by weight by 9-12 part material A input 46-49 part mass fraction be 32-35wt% ammonia and
In 13-16 part dehydrated alcohol composition mixed solution, after standing 3-4h, filter, washing, be dried to obtain material B；
S3, by weight by 18-22 part bentonite, 370-390 part distilled water mix homogeneously, continue to put into 6-8
Part sodium carbonate, rises high-temperature, cools down after insulation after stirring, washing is dried, and grinding obtains material C；
S4, it is 8-10wt% by 12-14 part material B, 7-9 part material C, 20-23 part mass fraction by weight
Silver nitrate solution, 55-58 part deionized water mix homogeneously, supersound process obtains material D, then filters,
Washing, is dried to obtain flexible antibacterial microsphere.
Preferably, the preparation method of flexible antibacterial microsphere is as follows:
S1, by weight by ethanedioic acid water that 8-10 part chitosan, 85-88 part mass fraction are 22-26wt%
After solution mix homogeneously, continuing to put into 45-50 part chlorinated paraffin 42,27-30 part tetrachloromethane, stirring is followed by
Addition 7-9 part mass fraction is the glutaraldehyde solution of 45-50wt%, is incubated 2-3h after being warming up to 60-63 DEG C,
Be subsequently added into 2-2.5 part nano titanium oxide, 6-9 part mass fraction is the sodium hydroxide solution of 20-22wt%,
Standing 11-13h, sucking filtration, washing after stirring, vacuum drying obtains material A；
S2, by weight by 9-12 part material A input 46-49 part mass fraction be 32-35wt% ammonia and
In 13-16 part dehydrated alcohol composition mixed solution, after standing 3-4h, filter, washing, be dried to obtain material B；
S3, by weight by 18-22 part bentonite, 370-390 part distilled water mix homogeneously, continue to put into 6-8
Part sodium carbonate, after stirring, liter high-temperature is to 62-66 DEG C, cools down, washing after insulation 2-3h, dry, grinds
Mill obtains material C；
S4, it is 8-10wt% by 12-14 part material B, 7-9 part material C, 20-23 part mass fraction by weight
Silver nitrate solution, 55-58 part deionized water mix homogeneously, supersound process obtains material D, then filters,
Washing, is dried to obtain flexible antibacterial microsphere.
Material is added in mixing roll by the present invention in a particular order, and uses specific temperature, pressure,
Can make respectively to add materials and sufficiently and uniformly be distributed, thus the uniformity of the present invention is greatly improved；With methyl
Vinylsiloxane rubber, natural rubber are major ingredient, greatly strengthen toughness and the intensity of the present invention；And it is flexible anti-
In the preparation process of bacterium microsphere, form microsphere parcel titanium dioxide with chitosan, then with the bentonite after sodium
Adsorption For Ag ion and microsphere, the antibacterial microsphere of flexibility of formation has splendid antibacterial effect, and flexible sign makes it
Easily fully it is connected with silica gel, forms firm stereochemical structure, thus of the present invention antibacterial effect is being greatly improved,
Expand antibacterial, the applicable surface of sterilization, increase the service life simultaneously；Wherein chitosan can be dissolved in specific dense
The ethanedioic acid solution of degree, and split into small ball in the organic facies that chlorinated paraffin 42, tetrachloromethane are formed
Shape liquid；And the glutaraldehyde solution of certain concentration can make to be formed firmly between chitosan molecule as cross-linking agent
Hydrogen bond structure, under the alkaline atmosphere effect that the sodium hydroxide that then adds is formed, full cross-linked, crystallization,
Form fine and close, stable microsphere；And nano titanium oxide adds during microsphere is formed, it is possible to filled by it
Subpackage is wrapped up in, thus strengthens the fungistatic effect of the present invention；Material A is put in ammonia water-ethanol atmosphere, it is possible to promote
Make chitosan that crystal phase transition to occur further, make microsphere have more mellow and fuller, flexible speciality；Through sodium carbonate
The bentonite processed, interlamellar spacing strengthens, and absorption property strengthens, it is possible to the silver nitrate that fully absorption is then added
In silver ion, thus further enhance the bactericidal property of the present invention；And the interpolation of furnace black enhances this
The mechanical strength of invention；Methyl-silicone oil, stearic acid coordinate, it is possible to strengthen structure and the plasticity control of the present invention
System, expands the scope of application of the present invention.
Detailed description of the invention
Below, by specific embodiment, technical scheme is described in detail.
Embodiment 1
The present invention propose a kind of high tenacity antibacterial knead dough pad preparation method, by methyl vinyl silicone rubber,
Natural rubber, flexible antibacterial microsphere are placed in mixing roll, heat up, insulation；It is subsequently added into furnace black, first
Base silicone oil, stearic acid, then lower the temperature, boosting, after heat-insulation pressure keeping, and decrease temperature and pressure, discharging, cut glue and obtain
The antibacterial pad of kneading dough of high tenacity.
Embodiment 2
The present invention propose a kind of high tenacity antibacterial knead dough pad preparation method, by methyl vinyl silicone rubber,
Natural rubber, flexible antibacterial microsphere are placed in mixing roll, are warming up to 158 DEG C, are incubated 5.2min；It is subsequently added into
Furnace black, methyl-silicone oil, stearic acid, be cooled to 136 DEG C, boosts to 3.8MPa, heat-insulation pressure keeping 24min
After, decrease temperature and pressure, discharging, cut glue and obtain the antibacterial pad of kneading dough of high tenacity.
The preparation method of flexible antibacterial microsphere is as follows:
S1, by after chitosan, aqueous oxalic acid mix homogeneously, continue to put into chlorinated paraffin 42, four chloromethane
Alkane, stirring followed by adds glutaraldehyde solution, is incubated, is subsequently added into nano titanium oxide, hydrogen after being warming up to
Sodium hydroxide solution, stands after stirring, sucking filtration, washing, and vacuum drying obtains material A；
S2, material A is put into ammonia and dehydrated alcohol composition mixed solution in, after standing, filter, washing,
It is dried to obtain material B；
S3, by bentonite, distilled water mix homogeneously, continue to put into sodium carbonate, after stirring, rise high-temperature,
Cool down after insulation, washing, be dried, grind and obtain material C；
S4, by material B, material C, silver nitrate solution, deionized water mix homogeneously, supersound process obtains thing
Material D, then filters, and washing is dried to obtain flexible antibacterial microsphere.
Embodiment 3
The preparation method of the antibacterial pad of kneading dough of a kind of high tenacity that the present invention proposes, by weight by 60 parts of methyl second
Thiazolinyl silicone rubber, 14 parts of natural rubbers, 6 parts of antibacterial microspheres of flexibility are placed in mixing roll, are warming up to 160 DEG C,
Insulation 5min；It is subsequently added into 2 parts of furnace blacks, 3 parts of methyl-silicone oils, 4 parts of stearic acid, is cooled to 135 DEG C,
Boost to 4.1MPa, after heat-insulation pressure keeping 20min, decrease temperature and pressure, discharging, cut glue and obtain that high tenacity is antibacterial rubs
Face pad.
The preparation method of flexible antibacterial microsphere is as follows:
S1, by weight by aqueous oxalic acid mixing that 10 parts of chitosans, 85 parts of mass fractions are 26wt%
After Jun Yun, continuing to put into 42,30 parts of tetrachloromethanes of 45 parts of chlorinated paraffins, stirring followed by adds 7 parts of matter
Amount mark be the glutaraldehyde solution of 50wt%, after intensification be incubated, be subsequently added into 2 parts of nano titanium oxides, 9
Part mass fraction is the sodium hydroxide solution of 20wt%, stands 13h, sucking filtration, washing, vacuum after stirring
It is dried to obtain material A；
S2, by weight 9 parts of material A are put into ammonia that 49 parts of mass fractions are 32wt% and 16 parts of nothings
In water-ethanol composition mixed solution, after standing 3h, filter, washing, be dried to obtain material B；
S3, by weight by 22 parts of bentonite, 370 parts of distilled water mix homogeneously, continue to put into 8 parts of carbonic acid
Sodium, rises high-temperature, cools down after insulation after stirring, washing is dried, grinds and obtain material C；
S4, it is the nitric acid of 10wt% by 12 parts of material B, 9 parts of material C, 20 parts of mass fractions by weight
Silver solution, 55 parts of deionized water mix homogeneously, supersound process obtains material D, then filters, washing, dry
Dry obtain flexible antibacterial microsphere.
Embodiment 4
The preparation method of the antibacterial pad of kneading dough of a kind of high tenacity that the present invention proposes, by weight by 65 parts of methyl second
Thiazolinyl silicone rubber, 12 parts of natural rubbers, 18 parts of antibacterial microspheres of flexibility are placed in mixing roll, are warming up to 150 DEG C,
Insulation 6min；It is subsequently added into 1 part of furnace black, 5 parts of methyl-silicone oils, 2 parts of stearic acid, is cooled to 140 DEG C,
Boost to 3.5MPa, after heat-insulation pressure keeping 25min, decrease temperature and pressure, discharging, cut glue and obtain that high tenacity is antibacterial rubs
Face pad.
The preparation method of flexible antibacterial microsphere is as follows:
S1, by weight by aqueous oxalic acid mixing that 8 parts of chitosans, 88 parts of mass fractions are 22wt%
After Jun Yun, continuing to put into 42,27 parts of tetrachloromethanes of 50 parts of chlorinated paraffins, stirring followed by adds 9 parts of matter
Amount mark is the glutaraldehyde solution of 45wt%, is incubated 2h, is subsequently added into 2.5 parts of nanometers two after being warming up to 63 DEG C
Titanium oxide, 6 parts of mass fractions are the sodium hydroxide solution of 22wt%, standing 11h after stirring, sucking filtration,
Washing, vacuum drying obtains material A；
S2, by weight 12 parts of material A are put into ammonia that 46 parts of mass fractions are 35wt% and 13 parts of nothings
In water-ethanol composition mixed solution, after standing 4h, filter, washing, be dried to obtain material B；
S3, by weight by 18 parts of bentonite, 390 parts of distilled water mix homogeneously, continue to put into 6 parts of carbonic acid
Sodium, after stirring, liter high-temperature is to 66 DEG C, cools down, washing, be dried after insulation 2h, and grinding obtains material
C；
S4, it is the nitric acid of 8wt% by 14 parts of material B, 7 parts of material C, 23 parts of mass fractions by weight
Silver solution, 58 parts of deionized water mix homogeneously, supersound process obtains material D, then filters, washing, dry
Dry obtain flexible antibacterial microsphere.
Embodiment 5
The preparation method of the antibacterial pad of kneading dough of a kind of high tenacity that the present invention proposes, by weight by 62 parts of methyl second
Thiazolinyl silicone rubber, 13 parts of natural rubbers, 12 parts of antibacterial microspheres of flexibility are placed in mixing roll, are warming up to 155 DEG C,
Insulation 5.5min；It is subsequently added into 1.5 parts of furnace blacks, 4 parts of methyl-silicone oils, 3 parts of stearic acid, is cooled to 138 DEG C,
Boost to 4MPa, after heat-insulation pressure keeping 22min, decrease temperature and pressure, discharging, cut glue and obtain that high tenacity is antibacterial kneads dough
Pad.
The preparation method of flexible antibacterial microsphere is as follows:
S1, by weight by aqueous oxalic acid mixing that 9 parts of chitosans, 86 parts of mass fractions are 24wt%
After Jun Yun, continuing to put into 42,29 parts of tetrachloromethanes of 48 parts of chlorinated paraffins, stirring followed by adds 8 parts of matter
Amount mark is the glutaraldehyde solution of 47wt%, is incubated 2.3h, is subsequently added into 2.2 parts of nanometers after being warming up to 62 DEG C
Titanium dioxide, 8 parts of mass fractions are the sodium hydroxide solution of 21wt%, standing 12h after stirring, sucking filtration,
Washing, vacuum drying obtains material A；
S2, by weight 10 parts of material A are put into ammonia that 48 parts of mass fractions are 33wt% and 15 parts of nothings
In water-ethanol composition mixed solution, after standing 3.4h, filter, washing, be dried to obtain material B；
S3, by weight by 20 parts of bentonite, 380 parts of distilled water mix homogeneously, continue to put into 7 parts of carbonic acid
Sodium, after stirring, liter high-temperature is to 63 DEG C, cools down, washing, be dried after insulation 2.3h, and grinding obtains thing
Material C；
S4, it is the nitric acid of 9wt% by 13 parts of material B, 8 parts of material C, 21 parts of mass fractions by weight
Silver solution, 57 parts of deionized water mix homogeneously, supersound process obtains material D, then filters, washing, dry
Dry obtain flexible antibacterial microsphere.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention not office
Being limited to this, any those familiar with the art is in the technical scope that the invention discloses, according to this
The technical scheme of invention and inventive concept thereof in addition equivalent or change, all should contain the protection in the present invention
Within the scope of.
Claims (6)
1. the preparation method of the antibacterial pad of kneading dough of a high tenacity, it is characterised in that by methyl vinyl silicone rubber,
Natural rubber, flexible antibacterial microsphere are placed in mixing roll, heat up, insulation；It is subsequently added into furnace black, first
Base silicone oil, stearic acid, then lower the temperature, boosting, after heat-insulation pressure keeping, and decrease temperature and pressure, discharging, cut glue and obtain
The antibacterial pad of kneading dough of high tenacity.
The preparation method of the antibacterial pad of kneading dough of high tenacity the most according to claim 1, it is characterised in that by first
Base vinylsiloxane rubber, natural rubber, flexible antibacterial microsphere are placed in mixing roll, are warming up to 150-160 DEG C,
Insulation 5-6min；It is subsequently added into furnace black, methyl-silicone oil, stearic acid, is cooled to 135-140 DEG C, rise
Be depressed into 3.5-4.1MPa, after heat-insulation pressure keeping 20-25min, decrease temperature and pressure, discharging, cut glue obtain high tenacity resist
Bacterium is kneaded dough pad.
The preparation method of the antibacterial pad of kneading dough of high tenacity the most according to claim 1 or claim 2, it is characterised in that
Methyl vinyl silicone rubber, natural rubber, flexible antibacterial microsphere, furnace black, methyl-silicone oil and stearic acid
Weight ratio be 60-65:12-14:6-18:1-2:3-5:2-4.
4., according to the preparation method of the antibacterial pad of kneading dough of high tenacity described in any one of claim 1-3, its feature exists
In, the preparation method of flexible antibacterial microsphere is as follows:
S1, by after chitosan, aqueous oxalic acid mix homogeneously, continue to put into chlorinated paraffin 42, four chloromethane
Alkane, stirring followed by adds glutaraldehyde solution, is incubated, is subsequently added into nano titanium oxide, hydrogen after being warming up to
Sodium hydroxide solution, stands after stirring, sucking filtration, washing, and vacuum drying obtains material A；
S2, material A is put into ammonia and dehydrated alcohol composition mixed solution in, after standing, filter, washing,
It is dried to obtain material B；
S3, by bentonite, distilled water mix homogeneously, continue to put into sodium carbonate, after stirring, rise high-temperature,
Cool down after insulation, washing, be dried, grind and obtain material C；
S4, by material B, material C, silver nitrate solution, deionized water mix homogeneously, supersound process obtains
Material D, then filters, washing, is dried to obtain flexible antibacterial microsphere.
The preparation method of the antibacterial pad of kneading dough of high tenacity the most according to claim 4, it is characterised in that flexible
The preparation method of antibacterial microsphere is as follows:
S1, by weight by ethanedioic acid water that 8-10 part chitosan, 85-88 part mass fraction are 22-26wt%
After solution mix homogeneously, continuing to put into 45-50 part chlorinated paraffin 42,27-30 part tetrachloromethane, stirring is followed by
Addition 7-9 part mass fraction is the glutaraldehyde solution of 45-50wt%, is incubated, is subsequently added into 2-2.5 after intensification
Part nano titanium oxide, 6-9 part mass fraction are the sodium hydroxide solution of 20-22wt%, quiet after stirring
Putting 11-13h, sucking filtration, washing, vacuum drying obtains material A；
S2, by weight by 9-12 part material A input 46-49 part mass fraction be the ammonia of 32-35wt%
With in 13-16 part dehydrated alcohol composition mixed solution, after standing 3-4h, filter, washing, be dried to obtain thing
Material B；
S3, by weight by 18-22 part bentonite, 370-390 part distilled water mix homogeneously, continue to put into
6-8 part sodium carbonate, rises high-temperature, cools down after insulation after stirring, washing is dried, grinds and obtain material
C；
S4, it is 8-10wt% by 12-14 part material B, 7-9 part material C, 20-23 part mass fraction by weight
Silver nitrate solution, 55-58 part deionized water mix homogeneously, supersound process obtains material D, then filters,
Washing, is dried to obtain flexible antibacterial microsphere.
6. according to the preparation method of the antibacterial pad of kneading dough of high tenacity described in claim 4 or 5, it is characterised in that
The preparation method of flexible antibacterial microsphere is as follows:
S1, by weight by ethanedioic acid water that 8-10 part chitosan, 85-88 part mass fraction are 22-26wt%
After solution mix homogeneously, continuing to put into 45-50 part chlorinated paraffin 42,27-30 part tetrachloromethane, stirring is followed by
Addition 7-9 part mass fraction is the glutaraldehyde solution of 45-50wt%, is incubated 2-3h after being warming up to 60-63 DEG C,
Be subsequently added into 2-2.5 part nano titanium oxide, 6-9 part mass fraction is the sodium hydroxide solution of 20-22wt%,
Standing 11-13h, sucking filtration, washing after stirring, vacuum drying obtains material A；
S2, by weight by 9-12 part material A input 46-49 part mass fraction be the ammonia of 32-35wt%
With in 13-16 part dehydrated alcohol composition mixed solution, after standing 3-4h, filter, washing, be dried to obtain thing
Material B；
S3, by weight by 18-22 part bentonite, 370-390 part distilled water mix homogeneously, continue to put into
6-8 part sodium carbonate, after stirring, liter high-temperature is to 62-66 DEG C, cools down, washing, be dried after insulation 2-3h,
Grinding obtains material C；
S4, it is 8-10wt% by 12-14 part material B, 7-9 part material C, 20-23 part mass fraction by weight
Silver nitrate solution, 55-58 part deionized water mix homogeneously, supersound process obtains material D, then filters,
Washing, is dried to obtain flexible antibacterial microsphere.
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| CN107236156A (en) * | 2017-07-24 | 2017-10-10 | 陈登辉 | A kind of preparation method of antibacterial polymer rubber material |
| CN108264769A (en) * | 2017-12-29 | 2018-07-10 | 凤阳加松新型材料科技有限公司 | A kind of high-temperature resistant antibacterial silica gel mould for cake |
| CN108624062A (en) * | 2018-05-21 | 2018-10-09 | 潜山县福达橡胶刷业制品厂 | A kind of food-grade composite silicone rubber and food-grade composite silicone rubber roller |
| CN113717533A (en) * | 2021-09-06 | 2021-11-30 | 江阴市江威工艺包装材料有限公司 | Colored rubber product and manufacturing process thereof |
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