CN109486213A - A kind of antibacterial film and preparation method thereof - Google Patents
A kind of antibacterial film and preparation method thereof Download PDFInfo
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- CN109486213A CN109486213A CN201811520622.1A CN201811520622A CN109486213A CN 109486213 A CN109486213 A CN 109486213A CN 201811520622 A CN201811520622 A CN 201811520622A CN 109486213 A CN109486213 A CN 109486213A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2389/00—Characterised by the use of proteins; Derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/28—Nitrogen-containing compounds
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/07—Aldehydes; Ketones
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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Abstract
The invention belongs to the preparation technical field of nano-antibacterial film, a kind of antibacterial film and preparation method thereof is specifically disclosed；Antibacterial film prepared by the present invention includes silver nitrate, ascorbic acid, cinnamic acid, film forming agent and stabilizer, and using fibrin as auxiliary agent, gained antibacterial film is less prone to aging phenomenon, is less prone to crackle, is non-breakable, and tensile strength is excellent；In addition, replacing the part chemical reagent of traditional handicraft with fibrin liquid component, nano-antibacterial film is reduced to the potential hazard of human body, while also mitigating the bad smell of nano-antibacterial film.
Description
Technical field
The invention belongs to the preparation technical fields of nano-antibacterial film, and in particular to a kind of antibacterial film and preparation method thereof.
Background technique
Nano material refers to the size of its structural unit between 1 nanometer~100 nanometer ranges.Due to it size
Through the coherence length close to electronics, its property is because strong relevant brought self-organizing makes a big change in nature.And
And scale has been approached the wavelength of light, in addition its special effects with a large surface, therefore its characteristic for being showed, such as it is molten
Point, magnetism, optics, thermally conductive, conductive characteristic etc. are often different from the property that the substance is showed in the overall state.
Nano silver is one kind of nano material, because having excellent anti-microbial property to be widely used in anti-biotic material field,
Antibacterial film is one kind common in anti-biotic material.Antibacterial film obtained by the prior art can exist antibacterial film it is easy to aging, it is easily cracked,
Easily broken and poor tensile strength disadvantage.
Summary of the invention
The invention is intended to provide a kind of tensile strength is excellent, performance is stable, be less prone to aging phenomenon antibacterial film and its
Preparation process.
In order to achieve the above objectives, technical solution of the present invention is as follows:
A kind of antibacterial film, it is characterised in that: consist of the following compositions:
Silver nitrate, ascorbic acid, fibrin, cinnamic acid, film forming agent and stabilizer；
Wherein the stabilizer is made of by weight following component: 0.5 ~ 2 part of phosphite ester, 2 ~ 4 parts of Ca compound stabilizer, and ring
6 ~ 15 parts of oxygen ester, 12 ~ 15 parts of rare-earth stabilizer.
Preferably, the ingredient is weighed by following parts by weight: 5 ~ 10 parts of silver nitrate, 12 ~ 18 parts of ascorbic acid, and fiber egg
White 15 ~ 20 parts, 6 ~ 15 parts of cinnamic acid, 16 ~ 25 parts of film forming agent, 18 ~ 28 parts of stabilizer.
Preferably, the film forming agent is made of by weight following component: 5 ~ 15 parts of methylcellulose, hydroxypropyl methyl
12 ~ 18 parts of cellulose, 6 ~ 13 parts of sulphite.
The preparation method of the antibacterial film comprises the steps of:
(1) weigh respectively by weight: methylcellulose, hydroxypropyl methyl cellulose and sulphite, be added parts by weight be 22 ~
30 parts of distilled water, agitating and heating, 28 ~ 40 DEG C of heating temperature, 2 ~ 3h of heating time obtains required film forming agent；
(2) weigh respectively by weight: phosphite ester, Ca compound stabilizer, epoxy-ester and rare-earth stabilizer are dissolved in water, control
Moisture content processed is 35 ~ 37%, and heating stirring, 40 ~ 48 DEG C of heating temperature, 3 ~ 4h of heating time obtains required stabilizer；
(3) cinnamic acid is weighed by weight, and the ratio for 20 ~ 40 parts by weight is dissolved in water, agitating and heating, heating temperature 40
It ~ 50 DEG C, stirs to the transparent color of solution, obtains cinnamic acid solution；
(4) it weighs respectively by weight: silver nitrate and ascorbic acid, with step (1) film forming agent, step (2) described stabilization
Agent and the fibrin liquid mixing, stir evenly, mixed solution；
(5) heating is stirred to (4) described mixed solution, 33 ~ 38 DEG C of heating temperature, and uniform speed slow a dropping step (3) institute
Cinnamic acid solution is stated, after cinnamic acid solution is added dropwise, after continuing 3 ~ 6h of agitating and heating, acquired solution is poured into template,
20 ~ 25h is stood, is taken off with utensil, obtains finished product antibacterial film, is encapsulated.
Preferably, step (6) described antibacterial film can be applied to food packaging applications and field of medicaments.
Beneficial effects of the present invention: the present invention is added to fibrin ingredient in the preparation process of antibacterial film, and gained is anti-
Mycoderm is less prone to aging phenomenon, is less prone to crackle, is non-breakable, and tensile strength is excellent；In addition, with fibrin liquid
Ingredient replaces the part chemical reagent of traditional handicraft, reduces nano-antibacterial film to the potential hazard of human body, also mitigates simultaneously
The bad smell of nano-antibacterial film.
Specific embodiment
Technical solution of the present invention is further illustrated below by specific embodiment.
Embodiment 1
A kind of antibacterial film, consists of the following compositions:
Silver nitrate, ascorbic acid, fibrin, cinnamic acid, film forming agent and stabilizer；
Wherein, the stabilizer is made of by weight following component: 0.5 part of phosphite ester, 2 parts of Ca compound stabilizer, and epoxy
6 parts of ester, 12 parts of rare-earth stabilizer；
Wherein, the ingredient is weighed by following parts by weight: 5 parts of silver nitrate, 12 parts of ascorbic acid, and 15 parts of fibrin, cortex cinnamomi
6 parts of aldehyde, 16 parts of film forming agent, 18 parts of stabilizer；
Wherein, the film forming agent is made of by weight following component: 5 parts of methylcellulose, hydroxypropyl methyl cellulose 12
Part, 6 parts of sulphite；
A kind of preparation method of antibacterial film comprises the steps of:
(1) weigh respectively by weight: methylcellulose, hydroxypropyl methyl cellulose and sulphite, it is 22 that parts by weight, which are added,
The distilled water of part, agitating and heating, 28 DEG C of heating temperature, heating time 3h obtains required film forming agent；
(2) weigh respectively by weight: phosphite ester, Ca compound stabilizer, epoxy-ester and rare-earth stabilizer are dissolved in water, control
Moisture content processed is 35 ~ 37%, and heating stirring, 40 DEG C of heating temperature, heating time 4h obtains required stabilizer；
(3) cinnamic acid is weighed by weight, the ratio for 20 parts by weight is dissolved in water, agitating and heating, and 40 DEG C of heating temperature,
Stirring obtains cinnamic acid solution to the transparent color of solution；
(4) it weighs respectively by weight: silver nitrate and ascorbic acid, with step (1) film forming agent, step (2) described stabilization
Agent and the fibrin liquid mixing, stir evenly, mixed solution；
(5) heating is stirred to (4) described mixed solution, 33 DEG C of heating temperature, and uniform speed slow a dropping step (3) described meat
After continuing agitating and heating 3h, acquired solution is poured into template after cinnamic acid solution is added dropwise for cinnamic aldehyde solution, is stood
20h is taken off with utensil, obtains finished product antibacterial film, encapsulation.
Embodiment 2
A kind of antibacterial film, consists of the following compositions:
Silver nitrate, ascorbic acid, fibrin, cinnamic acid, film forming agent and stabilizer；
Wherein, the stabilizer is made of by weight following component: 2 parts of phosphite ester, 4 parts of Ca compound stabilizer, and epoxy-ester
15 parts, 15 parts of rare-earth stabilizer；
Wherein, the ingredient is weighed by following parts by weight: 10 parts of silver nitrate, 18 parts of ascorbic acid, and 20 parts of fibrin, cortex cinnamomi
15 parts of aldehyde, 25 parts of film forming agent, 28 parts of stabilizer；
Wherein, the film forming agent is made of by weight following component: 15 parts of methylcellulose, hydroxypropyl methyl cellulose 18
Part, 13 parts of sulphite；
A kind of preparation method of antibacterial film comprises the steps of:
(1) weigh respectively by weight: methylcellulose, hydroxypropyl methyl cellulose and sulphite, it is 30 that parts by weight, which are added,
The distilled water of part, agitating and heating, 40 DEG C of heating temperature, heating time 3h obtains required film forming agent；
(2) weigh respectively by weight: phosphite ester, Ca compound stabilizer, epoxy-ester and rare-earth stabilizer are dissolved in water, control
Moisture content processed is 35 ~ 37%, and heating stirring, 48 DEG C of heating temperature, heating time 4h obtains required stabilizer；
(3) cinnamic acid is weighed by weight, the ratio for 40 parts by weight is dissolved in water, agitating and heating, and 50 DEG C of heating temperature,
Stirring obtains cinnamic acid solution to the transparent color of solution；
(4) it weighs respectively by weight: silver nitrate and ascorbic acid, with step (1) film forming agent, step (2) described stabilization
Agent and the fibrin liquid mixing, stir evenly, mixed solution；
(5) heating is stirred to (4) described mixed solution, 38 DEG C of heating temperature, and uniform speed slow a dropping step (3) described meat
After continuing agitating and heating 6h, acquired solution is poured into template after cinnamic acid solution is added dropwise for cinnamic aldehyde solution, is stood
25h is taken off with utensil, obtains finished product antibacterial film, encapsulation.
Embodiment 3
A kind of antibacterial film, consists of the following compositions:
Silver nitrate, ascorbic acid, fibrin, cinnamic acid, film forming agent and stabilizer；
Wherein, the stabilizer is made of by weight following component: 1.5 parts of phosphite ester, 3 parts of Ca compound stabilizer, and epoxy
11 parts of ester, 14 parts of rare-earth stabilizer；
Wherein, the ingredient is weighed by following parts by weight: 8 parts of silver nitrate, 15 parts of ascorbic acid, and 18 parts of fibrin, cortex cinnamomi
12 parts of aldehyde, 20 parts of film forming agent, 25 parts of stabilizer；
Wherein, the film forming agent is made of by weight following component: 12 parts of methylcellulose, hydroxypropyl methyl cellulose 15
Part, 10 parts of sulphite；
A kind of preparation method of antibacterial film comprises the steps of:
(1) weigh respectively by weight: methylcellulose, hydroxypropyl methyl cellulose and sulphite, it is 25 that parts by weight, which are added,
The distilled water of part, agitating and heating, 35 DEG C of heating temperature, heating time 2.5h obtains required film forming agent；
(2) weigh respectively by weight: phosphite ester, Ca compound stabilizer, epoxy-ester and rare-earth stabilizer are dissolved in water, control
Moisture content processed is 35 ~ 37%, and heating stirring, 45 DEG C of heating temperature, heating time 3.5h obtains required stabilizer；
(3) cinnamic acid is weighed by weight, the ratio for 35 parts by weight is dissolved in water, agitating and heating, and 43 DEG C of heating temperature,
Stirring obtains cinnamic acid solution to the transparent color of solution；
(4) it weighs respectively by weight: silver nitrate and ascorbic acid, with step (1) film forming agent, step (2) described stabilization
Agent and the fibrin liquid mixing, stir evenly, mixed solution；
(6) heating is stirred to (5) described mixed solution, 34 DEG C of heating temperature, and uniform speed slow a dropping step (3) described meat
After continuing agitating and heating 4h, acquired solution is poured into template after cinnamic acid solution is added dropwise for cinnamic aldehyde solution, is stood
23h is taken off with utensil, obtains finished product antibacterial film, encapsulation.
Claims (4)
1. a kind of antibacterial film, it is characterised in that: consist of the following compositions:
Silver nitrate, ascorbic acid, fibrin, cinnamic acid, film forming agent and stabilizer；
Wherein the stabilizer is made of by weight following component: 0.5 ~ 2 part of phosphite ester, 2 ~ 4 parts of Ca compound stabilizer, and ring
6 ~ 15 parts of oxygen ester, 12 ~ 15 parts of rare-earth stabilizer.
2. antibacterial film according to claim 1, it is characterised in that: the ingredient is weighed by following parts by weight: silver nitrate 5 ~
10 parts, 12 ~ 18 parts of ascorbic acid, 15 ~ 20 parts of fibrin, 6 ~ 15 parts of cinnamic acid, 16 ~ 25 parts of film forming agent, stabilizer 18 ~ 28
Part.
3. antibacterial film according to claim 2, it is characterised in that: the film forming agent is made of by weight following component:
5 ~ 15 parts of methylcellulose, 12 ~ 18 parts of hydroxypropyl methyl cellulose, 6 ~ 13 parts of sulphite.
4. any one of claim 1 ~ 3 antibacterial film, it is characterised in that: the preparation method of the antibacterial film includes following step
It is rapid:
(1) weigh respectively by weight: methylcellulose, hydroxypropyl methyl cellulose and sulphite, be added parts by weight be 22 ~
30 parts of distilled water, agitating and heating, 28 ~ 40 DEG C of heating temperature, 2 ~ 3h of heating time obtains required film forming agent；
(2) weigh respectively by weight: phosphite ester, Ca compound stabilizer, epoxy-ester and rare-earth stabilizer are dissolved in water, control
Moisture content processed is 35 ~ 37%, and heating stirring, 40 ~ 48 DEG C of heating temperature, 3 ~ 4h of heating time obtains required stabilizer；
(3) cinnamic acid is weighed by weight, and the ratio for 20 ~ 40 parts by weight is dissolved in water, agitating and heating, heating temperature 40
It ~ 50 DEG C, stirs to the transparent color of solution, obtains cinnamic acid solution；
(4) it weighs respectively by weight: silver nitrate and ascorbic acid, with step (1) film forming agent, step (2) described stabilization
Agent and the fibrin liquid mixing, stir evenly, mixed solution；
(5) heating is stirred to (4) described mixed solution, 33 ~ 38 DEG C of heating temperature, and uniform speed slow a dropping step (3) institute
Cinnamic acid solution is stated, after cinnamic acid solution is added dropwise, after continuing 3 ~ 6h of agitating and heating, acquired solution is poured into template,
20 ~ 25h is stood, is taken off with utensil, obtains finished product antibacterial film, is encapsulated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520622.1A CN109486213A (en) | 2018-12-12 | 2018-12-12 | A kind of antibacterial film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811520622.1A CN109486213A (en) | 2018-12-12 | 2018-12-12 | A kind of antibacterial film and preparation method thereof |
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| CN109486213A true CN109486213A (en) | 2019-03-19 |
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| CN201811520622.1A Pending CN109486213A (en) | 2018-12-12 | 2018-12-12 | A kind of antibacterial film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108359140A (en) * | 2018-03-27 | 2018-08-03 | 陕西杨凌陕特农业发展有限公司 | A kind of nanometer silver antimicrobial film and preparation method thereof containing honey |
| CN111978574A (en) * | 2020-08-26 | 2020-11-24 | 广东毅科新材料有限公司 | Processing and production process of antibacterial film |
-
2018
- 2018-12-12 CN CN201811520622.1A patent/CN109486213A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108359140A (en) * | 2018-03-27 | 2018-08-03 | 陕西杨凌陕特农业发展有限公司 | A kind of nanometer silver antimicrobial film and preparation method thereof containing honey |
| CN111978574A (en) * | 2020-08-26 | 2020-11-24 | 广东毅科新材料有限公司 | Processing and production process of antibacterial film |
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Application publication date: 20190319 |