CN110606994A - Degradable environment-friendly pollution-free packaging material and preparation method thereof - Google Patents
Degradable environment-friendly pollution-free packaging material and preparation method thereof Download PDFInfo
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- CN110606994A CN110606994A CN201910785098.9A CN201910785098A CN110606994A CN 110606994 A CN110606994 A CN 110606994A CN 201910785098 A CN201910785098 A CN 201910785098A CN 110606994 A CN110606994 A CN 110606994A
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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
- C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
- C08L3/04—Starch derivatives, e.g. crosslinked derivatives
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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
- C08K2201/018—Additives for biodegradable polymeric composition
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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
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
- Biological Depolymerization Polymers (AREA)
Abstract
The invention relates to the technical field of packaging materials, in particular to a degradable environment-friendly pollution-free packaging material and a preparation method thereof, wherein the degradable environment-friendly pollution-free packaging material comprises the following components: cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, thermal oxidizer and biological inducer, wherein the weight parts of the components are respectively as follows: 10-25 parts of cellulose, 25-45 parts of modified starch, 5-15 parts of sodium alginate, 1-5 parts of chitosan, 8-14 parts of protein, 10-20 parts of gelatin, 10-15 parts of vinyl ketone copolymer, 5-10 parts of master batch, 2-5 parts of photosensitizer, 3-6 parts of thermal oxidizer and 1-3 parts of biological inducer. The packaging material can be degraded by using biodegradation and photodegradation to generate pollution-free materials, so that partial materials which are not directly subjected to light action are continuously degraded, and thus macromolecules are broken and degraded into low-molecular compound fragments which can be phagocytized by microorganisms, the overall degradation efficiency is improved, and the use is higher.
Description
Technical Field
The invention relates to the technical field of packaging materials, in particular to a degradable environment-friendly pollution-free packaging material and a preparation method thereof.
Background
With the gradual recognition of the concepts of low-carbon economy and green packaging, the degradable environment-friendly pollution-free packaging material is widely applied, and with the increasing increase of white pollution and the gradual shortage of natural resources, the degradable environment-friendly packaging material is more and more valued by consumers, and is a necessary way for sustainable development in the future and solving the contradiction between the increasingly-increased resources and the environment.
The existing degradable material can not be completely degraded, so that the degradable environment-friendly pollution-free packaging material and the preparation method thereof are provided to solve the problems.
Disclosure of Invention
The invention aims to provide a degradable environment-friendly pollution-free packaging material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a degradable environment-friendly pollution-free packaging material comprises the following components: cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, thermal oxidizer and biological inducer, wherein the weight parts of the components are respectively as follows: 10-25 parts of cellulose, 25-45 parts of modified starch, 5-15 parts of sodium alginate, 1-5 parts of chitosan, 8-14 parts of protein, 10-20 parts of gelatin, 10-15 parts of vinyl ketone copolymer, 5-10 parts of master batch, 2-5 parts of photosensitizer, 3-6 parts of thermal oxidizer and 1-3 parts of biological inducer.
Preferably, the protein comprises one or more of soy protein, corn protein, wheat gliadin protein.
Preferably, the master batch comprises a master batch containing iron ions and a master batch containing TiO2One or more of master batch consisting of magnesium compound and nickel or carbon alloy composite component
Preferably, the photosensitizer comprises one or more of an acetyl ketone metal compound, a dithiocarbamate metal compound, ferrocene, stearate, and an aliphatic salt.
Preferably, the method comprises the following steps:
s1, preparing raw materials: the raw materials comprise cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, additive thermal oxidant and biological inducer;
s2, the weight parts of each component are respectively as follows: 10-25 parts of cellulose, 25-45 parts of modified starch, 5-15 parts of sodium alginate, 1-5 parts of chitosan, 8-14 parts of protein, 10-20 parts of gelatin, 10-15 parts of vinyl ketone copolymer, 5-10 parts of master batch, 2-5 parts of photosensitizer, 3-6 parts of thermal oxidant and 1-3 parts of biological inducer;
s3, adding water into cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer and master batch, mixing and stirring;
and S4, adding the photosensitizer, the thermal oxidizer and the biological inducer, and mixing and stirring.
Preferably, the S3 cellulose, the modified starch, the sodium alginate, the chitosan, the protein, the gelatin, the vinyl ketone copolymer and the master batch are dissolved and gelatinized for 30-40 minutes by adding water at the temperature of 65-75 ℃.
Preferably, the S4 photosensitizer, the added thermal oxidant and the biological inducer are mixed and stirred for 20-30 minutes.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, cellulose, modified starch, sodium alginate, chitosan, protein and gelatin can be decomposed in natural environment to generate pollution-free materials of water, carbon dioxide or methane, the photosensitizer can carry out photolysis to accelerate the decomposition efficiency, and partial materials which are not directly subjected to light are continuously degraded by adding a thermal oxidant and a biological inducer, so that macromolecules are broken and degraded into low molecular compound fragments which can be phagocytized by microorganisms.
2. According to the invention, the packaging material can be used for degrading a raw pollution-free material by means of biodegradation and photodegradation, so that the overall degradation efficiency is improved, and the use is high.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
The invention provides a technical scheme that:
a degradable environment-friendly pollution-free packaging material comprises the following components: cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, thermal oxidizer and biological inducer, wherein the weight parts of the components are respectively as follows: 10-25 parts of cellulose, 25-45 parts of modified starch, 5-15 parts of sodium alginate, 1-5 parts of chitosan, 8-14 parts of protein, 10-20 parts of gelatin, 10-15 parts of vinyl ketone copolymer, 5-10 parts of master batch, 2-5 parts of photosensitizer, 3-6 parts of thermal oxidizer and 1-3 parts of biological inducer.
The protein comprises one or more of soybean protein, corn protein and wheat gliadin protein.
The master batch comprises a master batch containing iron ions and TiO2One or more of master batch consisting of magnesium compound and nickel or carbon alloy composite component
The photosensitizer comprises one or more of an acetyl ketone metal compound, a dithiocarbamate metal compound, ferrocene, stearate and an aliphatic salt.
The method comprises the following steps:
s1, preparing raw materials: the raw materials comprise cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, additive thermal oxidant and biological inducer;
s2, the weight parts of each component are respectively as follows: 10-25 parts of cellulose, 25-45 parts of modified starch, 5-15 parts of sodium alginate, 1-5 parts of chitosan, 8-14 parts of protein, 10-20 parts of gelatin, 10-15 parts of vinyl ketone copolymer, 5-10 parts of master batch, 2-5 parts of photosensitizer, 3-6 parts of thermal oxidant and 1-3 parts of biological inducer;
s3, adding water into cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer and master batch, mixing and stirring;
and S4, adding the photosensitizer, the thermal oxidizer and the biological inducer, and mixing and stirring.
And the S3 cellulose, the modified starch, the sodium alginate, the chitosan, the protein, the gelatin, the vinyl ketone copolymer and the master batch are dissolved, gelatinized and stirred for 30-40 minutes by adding water at the temperature of 65-75 ℃.
And mixing and stirring the S4 photosensitizer, the added thermal oxidant and the biological inducer for 20-30 minutes.
Through cellulose, modified starch, sodium alginate, chitosan, protein, gelatin can decompose in natural environment, generate pollution-free water, the material of carbon dioxide or methane, can carry out photolysis through the photosensitizer, accelerate decomposition efficiency, through adding hot oxidant, biological inducer makes the partial material that does not directly accept the light effect continue the degradation, thereby make the macromolecule fracture, degrade into the low molecular compound piece that can be phagocytosed by the microorganism, through the usable biodegradable of this packaging material and photodegradation material that produces pollution-free of photodegradation, make holistic degradation efficiency improve, use higher.
Example 1: the raw materials comprise cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, additive thermal oxidizer and biological inducer, and the weight parts of the components are respectively as follows: 10 parts of cellulose, 25 parts of modified starch, 5 parts of sodium alginate, 1 part of chitosan, 8 parts of protein, 10-14 parts of gelatin, 10 parts of vinyl ketone copolymer, 5 parts of master batch, 2 parts of photosensitizer, 3 parts of thermal oxidizer and 1 part of biological inducer, wherein the raw materials are mixed and molded by dissolving the cellulose, the modified starch, the sodium alginate, the chitosan, the protein, the gelatin, the vinyl ketone copolymer and the master batch in water at 65-75 ℃ for gelatinization and stirring for 30-40 minutes, and mixing and stirring the photosensitizer, the additive and the biological inducer for 20-30 minutes.
Example 2: the raw materials comprise cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, additive thermal oxidizer and biological inducer, and the weight parts of the components are respectively as follows: the biological agent is prepared by dissolving cellulose, modified starch, sodium alginate, chitosan, protein, a thermal oxidizer and a biological inducer in water at 65-75 ℃ for gelatinization and stirring for 30-40 minutes, and mixing and stirring the photosensitizer, the thermal oxidizer and the biological inducer for 20-30 minutes to form the mixture.
Example 3: the raw materials comprise cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, additive thermal oxidizer and biological inducer, and the weight parts of the components are respectively as follows: the biological inducer is prepared by dissolving cellulose, modified starch, sodium alginate, chitosan, protein, a photosensitizer, a thermal oxidizer and a biological inducer in water at 65-75 ℃ for gelatinization and stirring for 30-40 minutes, and mixing and stirring the photosensitizer, the thermal oxidizer and the biological inducer for 20-30 minutes to form the biological inducer by 18 parts of cellulose, 30 parts of modified starch, 10 parts of sodium alginate, 3 parts of chitosan, 12 parts of protein, 15 parts of gelatin, 12 parts of vinyl ketone copolymer, 7 parts of master batch, 3 parts of photosensitizer, 5 parts of thermal oxidizer and 2 parts of biological inducer.
In summary, the components of example 3 are, by weight: the environment-friendly pollution-free packaging material is prepared by adding water into 18 parts of cellulose, 30 parts of modified starch, 10 parts of sodium alginate, 3 parts of chitosan, 12 parts of protein, 15 parts of gelatin, 12 parts of vinyl ketone copolymer, 7 parts of master batch, 3 parts of photosensitizer, 5 parts of thermal oxidizer and 2 parts of biological inducer, dissolving and gelatinizing the cellulose, the modified starch, the sodium alginate, the chitosan, the protein, the gelatin, the vinyl ketone copolymer and the master batch for gelatinization and stirring for 30-40 minutes at 65-75 ℃, and mixing and stirring the photosensitizer, the thermal oxidizer and the biological inducer for 20-30 minutes.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to substitute or change the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (7)
1. A degradable environment-friendly pollution-free packaging material is characterized by comprising the following components: cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, thermal oxidizer and biological inducer, wherein the weight parts of the components are respectively as follows: 10-25 parts of cellulose, 25-45 parts of modified starch, 5-15 parts of sodium alginate, 1-5 parts of chitosan, 8-14 parts of protein, 10-20 parts of gelatin, 10-15 parts of vinyl ketone copolymer, 5-10 parts of master batch, 2-5 parts of photosensitizer, 3-6 parts of thermal oxidizer and 1-3 parts of biological inducer.
2. The degradable environmentally friendly non-staining packaging material of claim 1, wherein the protein comprises one or more of soy protein, corn protein, wheat alcohol soluble protein.
3. The degradable environment-friendly pollution-free packaging material of claim 1, wherein the master batch comprises one or more of a master batch containing iron ions, a master batch containing TiO2, a master batch consisting of a magnesium compound and a nickel or carbon alloy composite component.
4. The degradable environment-friendly pollution-free packaging material of claim 1, wherein the photosensitizer comprises one or more of an acetyl ketone metal compound, a dithiocarbamate metal compound, ferrocene, stearate and an aliphatic salt.
5. The preparation method of the degradable environment-friendly pollution-free packaging material according to claim 1, characterized by comprising the following steps:
s1, preparing raw materials: the raw materials comprise cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer, master batch, photosensitizer, additive thermal oxidant and biological inducer;
s2, the weight parts of each component are respectively as follows: 10-25 parts of cellulose, 25-45 parts of modified starch, 5-15 parts of sodium alginate, 1-5 parts of chitosan, 8-14 parts of protein, 10-20 parts of gelatin, 10-15 parts of vinyl ketone copolymer, 5-10 parts of master batch, 2-5 parts of photosensitizer, 3-6 parts of thermal oxidant and 1-3 parts of biological inducer;
s3, adding water into cellulose, modified starch, sodium alginate, chitosan, protein, gelatin, vinyl ketone copolymer and master batch, mixing and stirring;
and S4, adding the photosensitizer, the thermal oxidizer and the biological inducer, and mixing and stirring.
6. The preparation method of the degradable environment-friendly pollution-free packaging material as claimed in claim 5, wherein the S3 cellulose, the modified starch, the sodium alginate, the chitosan, the protein, the gelatin, the vinyl ketone copolymer and the master batch are dissolved and gelatinized by adding water at 65-75 ℃ and stirred for 30-40 minutes.
7. The preparation method of the degradable environment-friendly pollution-free packaging material as claimed in claim 5, wherein the S4 photosensitizer, the added thermal oxidizer and the biological inducer are mixed and stirred for 20-30 minutes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910785098.9A CN110606994A (en) | 2019-08-23 | 2019-08-23 | Degradable environment-friendly pollution-free packaging material and preparation method thereof |
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| CN201910785098.9A CN110606994A (en) | 2019-08-23 | 2019-08-23 | Degradable environment-friendly pollution-free packaging material and preparation method thereof |
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| CN110606994A true CN110606994A (en) | 2019-12-24 |
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Cited By (2)
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| CN112898655A (en) * | 2020-12-17 | 2021-06-04 | 程靓 | Preparation method of biodegradable plastic bag film |
| CN113462033A (en) * | 2021-07-28 | 2021-10-01 | 浙江晟祺实业有限公司 | Biodegradable packaging material and preparation method thereof |
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