CN109293993A - A kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material and preparation method thereof - Google Patents
A kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material and preparation method thereof Download PDFInfo
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- CN109293993A CN109293993A CN201810955701.9A CN201810955701A CN109293993A CN 109293993 A CN109293993 A CN 109293993A CN 201810955701 A CN201810955701 A CN 201810955701A CN 109293993 A CN109293993 A CN 109293993A
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- hydroxypropyl methyl
- methyl cellulose
- water soluble
- package material
- preparation
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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
-
- 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
- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2301/08—Cellulose derivatives
- C08J2301/26—Cellulose ethers
- C08J2301/28—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
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Packages (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material and preparation method thereof, this method is to be mixed and made into film liquid using natural leaf of bamboo antioxidant as antioxidant using hydroxypropyl methyl cellulose as matrix；It is put into drying in air dry oven after standing gel again, obtains natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material.Of the invention preparation method is simple, successfully obtains natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material for the first time.And this method, using water-soluble hydroxypropyl methyl cellulose as matrix, source is wide, degradable.In preparation process, the antioxygenic property of hydroxypropyl methyl cellulose water soluble package material can be adjusted by adjusting the ratio of leaf of bamboo antioxidant and Matrix Solution.
Description
Technical field
The invention belongs to packaging material fields, and in particular to a kind of natural anti-oxidation hydroxypropyl methyl cellulose water solubility packet
Package material and preparation method thereof.
Background technique
In order to extend the shelf life of food packaging items, researcher gradually adds antioxidants to packaging material
In.The more antioxidant of application is mainly synthetized oxidation preventive agent at present, such as butylated hydroxy anisole (BHA), butylated hydroxy-a
Benzene (BHT) etc., but there are biggish disputes to synthetized oxidation preventive agent safety issue by people.Therefore higher anti-using safety
Anti-oxidant packaging material is made with bigger practical significance in oxidant.
Leaf of bamboo antioxidant is a kind of natural for having unique natural bamboo perfume, has been included in food additives use and has defended
Raw standard (GB-2760) is used by Ministry of Public Health's approval as antioxidant from natural food.Effective component includes flavonoids, lactone
Class and phenolic acid compound.The alternative ginkgo biloba extract of its antioxidation, tea extract and grape seed extract etc..
Hydroxypropyl methyl cellulose is a kind of water-soluble native cellulose derivative, because of its good water-soluble, film forming
Property, stability the advantages that, be widely used in industry, medicine and the fields such as food.At present both at home and abroad it is more research report with
Hydroxypropyl methyl cellulose as plastics apply plum, citrus, grape and red bayberry etc. it is fresh-keeping in；And hydroxypropyl methyl
The research of the blend films such as cellulose and chitosan, konjaku glucomannan.At present using hydroxypropyl methyl cellulose as substrate, with natural
Leaf of bamboo antioxidant does not have research also as the anti-oxidant soluble packing membrane of oxidant.
Patent document publication No. is that CN102181075A discloses a kind of natural anti-oxidation degradable packing material, this method
Using the antioxidant system that degradable polymer cellulose acetate is formed for matrix, natural and synergist is addition
The combination of materials form of agent.But natural anti-oxidation degradable packing material made from this method does not have water-soluble feature.Specially
Sharp document publication No. is that CN105568770A discloses a kind of production method of oxidation resistant food wrapper of safety, this method tool
Body step includes: that (1) chooses base paper；(2) natural glue is made；(3) natural is mixed in natural glue；
(4) it forms natural anti-oxidation layer: the natural glue of the obtained mixing natural of step (3) is coated in the base
The inner surface of paper.But this method is for food wrapper and needs to coat, is unable to that one-pass molding, complicated operation.
Based on this, the present invention uses solution casting method, is prepared for the anti-oxidant hydroxypropyl methyl cellulose water containing the natural leaf of bamboo
Soluble packaging material.
Summary of the invention
It is an object of that present invention to provide a kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material and its systems
Preparation Method, to obtain with natural anti-oxidation water soluble package thin-film material.
A kind of preparation method of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material of the invention, is with hydroxyl
Propyl methocel is matrix, and natural leaf of bamboo antioxidant is as antioxidant, by leaf of bamboo antioxidant and hydroxypropyl methyl
Cellulose mixing, being mixed liquid and being injected into be formed in the mold selected has oxidation resistant hydroxypropyl methyl cellulose water-soluble
Property packing film.Specific preparation method is:
A. at the preparation of film liquid: using deionized water as solvent, weighing hydroxypropyl methyl cellulose 99- according to mass ratio
99.5%, natural leaf of bamboo antioxidant 0.5-1%, stirring are allowed to sufficiently dissolve, are configured to film liquid, are stirred to react at normal temperature
10min。
B. it is film-made: uniform film forming solution will be sufficiently mixed and be placed at room temperature for 2-3min progress deaeration, it then will be after deaeration
It is injected into casting film-forming in the glass culture dish of same diameter size at film liquid, culture ware lid is covered, places 10-12 at room temperature
Hour or so, make its gradually gel, be then put into 50-60 DEG C of air dry oven and dry, natural anti-oxidation hydroxypropyl is made
Methylcellulose water soluble package material.
The solid content at film liquid is 1-2%, to guarantee that hydroxypropyl methyl cellulose is preferable in deionized water
Dispersion, content of cellulose is excessively high, and thick glue easy to form is unfavorable for forming a film.
The advantages of preparation-obtained natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material of the invention, is as follows:
(1) of the invention preparation method is simple, and it is water-soluble to be successfully prepared a kind of natural anti-oxidation hydroxypropyl methyl cellulose for the first time
Property packaging material.(2) one kind, which is utilized, has water-soluble hydroxypropyl methyl cellulose as matrix, and source is wide, degradable.
(3) in preparation process, hydroxypropyl methyl cellulose can be adjusted by adjusting the ratio of leaf of bamboo antioxidant and Matrix Solution
The antioxygenic property of water soluble package material.
Specific embodiment
Embodiment 1:
A. at the preparation of film liquid: using deionized water as solvent, weighing hydroxypropyl methyl cellulose 99%, day according to mass ratio
Right leaf of bamboo antioxidant 1%, stirring is allowed to sufficiently dissolve, and being configured to solid content is 1-2% containing natural leaf of bamboo antioxidant
Hydroxypropyl methyl cellulose is stirred to react 10min at film liquid at normal temperature.
B. it is film-made: the film forming solution that uniform solid content is 1-2% will be sufficiently mixed and be placed at room temperature for 3min progress deaeration, so
It will be injected into casting film-forming in the glass culture dish of same diameter size at film liquid after deaeration afterwards, culture ware lid is covered, in room
Temperature is lower to place 10 hours, makes its gradually gel, is then put into 50 DEG C of air dry oven and dries, natural anti-oxidation hydroxypropyl is made
Ylmethyl cellulose water soluble package material.
Embodiment 2:
A. at the preparation of film liquid: using deionized water as solvent, hydroxypropyl methyl cellulose 99.5% is weighed according to mass ratio,
Natural leaf of bamboo antioxidant 0.5%, stirring is allowed to sufficiently dissolve, and being configured to solid content is the anti-oxidant containing the natural leaf of bamboo of 1-2%
The hydroxypropyl methyl cellulose of agent is stirred to react 10min at film liquid at normal temperature.
B. it is film-made: the film forming solution that uniform solid content is 1-2% will be sufficiently mixed and be placed at room temperature for 3min progress deaeration, so
It will be injected into casting film-forming in the glass culture dish of same diameter size at film liquid after deaeration afterwards, culture ware lid is covered, in room
Temperature is lower to place 10 hours, makes its gradually gel, is then put into 50 DEG C of air dry oven and dries, natural anti-oxidation hydroxypropyl is made
Ylmethyl cellulose water soluble package material.
Embodiment 3:
A. at the preparation of film liquid: using deionized water as solvent, hydroxypropyl methyl cellulose 99.2% is weighed according to mass ratio,
Natural leaf of bamboo antioxidant 0.8%, stirring is allowed to sufficiently dissolve, and being configured to solid content is the anti-oxidant containing the natural leaf of bamboo of 1-2%
The hydroxypropyl methyl cellulose of agent is stirred to react 10min at film liquid at normal temperature.
B. it is film-made: the film forming solution that uniform solid content is 1-2% will be sufficiently mixed and be placed at room temperature for 2min progress deaeration, so
It will be injected into casting film-forming in the glass culture dish of same diameter size at film liquid after deaeration afterwards, culture ware lid is covered, in room
Temperature is lower to place 10 hours, makes its gradually gel, is then put into 50 DEG C of air dry oven and dries, natural anti-oxidation hydroxypropyl is made
Ylmethyl cellulose water soluble package material.
Claims (3)
1. a kind of preparation method of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material, which is characterized in that including
Following steps:
A. at the preparation of film liquid: using deionized water as solvent, weighing hydroxypropyl methyl according to mass ratio 99-99.5%:0.5-1%
Cellulose and natural leaf of bamboo antioxidant are added stirring in deionized water and are allowed to sufficiently dissolve, be configured into film liquid, at normal temperature
It is stirred to react 10min；
B. be film-made: uniform film forming liquid will be sufficiently mixed be placed at room temperature for 2-3min and carry out deaeration, then by after deaeration at film liquid
It is injected into mold, places 10-12 hours at room temperature, make its gradually gel, be then put into 50-60 DEG C of air dry oven
Natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material is made in drying.
2. the preparation method of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material according to claim 1,
It is characterized in that, described in step a at the solid content of film liquid be 1-2%.
3. a kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material, which is characterized in that using such as claim 1
Or method described in 2 is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955701.9A CN109293993A (en) | 2018-08-21 | 2018-08-21 | A kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810955701.9A CN109293993A (en) | 2018-08-21 | 2018-08-21 | A kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN109293993A true CN109293993A (en) | 2019-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810955701.9A Pending CN109293993A (en) | 2018-08-21 | 2018-08-21 | A kind of natural anti-oxidation hydroxypropyl methyl cellulose water soluble package material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354852A (en) * | 2021-06-21 | 2021-09-07 | 浙江大学 | Active packaging film and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633924A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Edible packaging material and preparation method thereof |
-
2018
- 2018-08-21 CN CN201810955701.9A patent/CN109293993A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106633924A (en) * | 2016-12-05 | 2017-05-10 | 钦州市钦南区生产力促进中心 | Edible packaging material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张艳平等: ""天然抗氧化羟丙基甲基纤维素水溶性包装薄膜"", 《包装学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113354852A (en) * | 2021-06-21 | 2021-09-07 | 浙江大学 | Active packaging film and preparation method thereof |
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Application publication date: 20190201 |