CN105860390A - Multifunctional environment-friendly type composite plastic thin film and preparation method thereof - Google Patents
Multifunctional environment-friendly type composite plastic thin film and preparation method thereof Download PDFInfo
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- CN105860390A CN105860390A CN201610258736.8A CN201610258736A CN105860390A CN 105860390 A CN105860390 A CN 105860390A CN 201610258736 A CN201610258736 A CN 201610258736A CN 105860390 A CN105860390 A CN 105860390A
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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
- C08L29/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
- C08L29/02—Homopolymers or copolymers of unsaturated alcohols
- C08L29/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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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
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
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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
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
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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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Biological Depolymerization Polymers (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention provides a multifunctional environment-friendly type composite plastic thin film and a preparation method thereof. The composite plastic thin film is prepared by compounding polyvinyl alcohol and an active carbon microcapsule; the preparation method comprises the following steps: (a) preparing emulsion by an emulsifying method; (b) preparing the active carbon microcapsule by a solidification method; (c) preparing a mixed solution by a solution mixing method; (d) carrying out post-treatment to prepare the composite plastic thin film. The invention discloses the multifunctional environment-friendly type composite plastic thin film and the preparation method thereof. The composite plastic thin film is novel in raw materials and unique in preparation method, has the advantages of degradability and no pollution, and also has relatively high barrier property, relatively strong adsorbability and excellent antibacterial property.
Description
Technical field
The present invention relates to a kind of plastics, be specifically related to a kind of multifunction environment-protection type composite plastic film and preparation method thereof, belong to plastics arts.
Background technology
Plastics are a kind of very important organic synthesis macromolecular materials, and application is widely.Plastics are formulated by many materials, wherein high molecular polymer also referred to as synthetic resin is the main component of plastics, in addition, in order to improve the performance of plastics, in macromolecular compound, also to add various auxiliary material, such as filler, plasticizer, lubricant, stabilizer, coloring agent, antistatic additive etc., plastics of good performance just can be become.Shi Ge plastic raw materials big producing country of China, as the plastic industry of one of light industry pillar industry, the most all maintains development speed faster, and meanwhile, economic benefit also achieves the biggest raising.
At present, polyvinyl alcohol plastics, with its preferable mechanical property and biodegradable, have obtained preferable application in plastic.But, polyvinyl alcohol plastics effectively assist material owing to lacking, and fail to be remarkably reinforced in terms of barrier and adsorptivity, and especially anti-microbial property compares shortcoming, and meanwhile, single polyvinyl alcohol plastics feed consumption aborning is big, and production cost is higher.The above-mentioned deficiency of polyvinyl alcohol plastics, limits its extensive application at packaging field.
Summary of the invention
For the demand, the invention provides a kind of multifunction environment-protection type composite plastic film and preparation method thereof, these composite plastic film materials are novel, preparation method is unique, not only there is the non-harmful advantage of degradable, and there is higher barrier, stronger adsorptivity and the anti-microbial property of excellence.
The present invention is a kind of multifunction environment-protection type composite plastic film and preparation method thereof, described composite plastic film is prepared from by polyvinyl alcohol and activated carbon microcapsule are compound, described preparation method comprises the steps: that a) emulsion process produces emulsion, b) solidification method produces activated carbon microcapsule, c) solution mixing method produces mixed solution, and d) composite plastic film is produced in post processing.
In a preferred embodiment of the present invention, in described step a), it is chitosan solution, activated carbon, liquid paraffin, emulsifying agent, cross-linking agent mixing to be carried out emulsion reaction and obtain faint yellow emulsion that emulsion process produces emulsion.
In a preferred embodiment of the present invention, the concentration of described chitosan solution is 1.5%, containing 1% acetic acid in this chitosan solution.
In a preferred embodiment of the present invention, described activated carbon was 500 mesh sieve activated carbons, and it is 1:2 with the quality proportioning of chitosan.
In a preferred embodiment of the present invention, described emulsifying agent is 1.5% concentration sorbitol anhydride oleate, and cross-linking agent is 50% concentration glutaraldehyde.
In a preferred embodiment of the present invention, in described step b), it is that faint yellow emulsion step a) produced is successively with petroleum ether, sodium sulfite and absolute ethanol washing 3 times and carry out lyophilization process that solidification method produces activated carbon microcapsule.
In a preferred embodiment of the present invention, in described step c), poly-vinyl alcohol solution is 10:1 with the quality proportioning of activated carbon microcapsule solution, and wherein, poly-vinyl alcohol solution concentration is 0.125g/mL, and activated carbon microcapsule solution concentration is 0.1g/mL.
In a preferred embodiment of the present invention, in described step d), post processing is produced composite plastic film and is comprised the steps: 1) casting film-forming after mixed solution standing and defoaming that step c) is produced；2) in 50 DEG C of calorstats, it is dried 8h and is followed by film.
Present invention is disclosed a kind of multifunction environment-protection type composite plastic film and preparation method thereof, these composite plastic film materials are novel, preparation method is unique, not only there is the non-harmful advantage of degradable, and there is higher barrier, stronger adsorptivity and the anti-microbial property of excellence.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is the process figure of embodiment of the present invention multifunction environment-protection type composite plastic film preparation method.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention can be easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
Fig. 1 is the process figure of embodiment of the present invention multifunction environment-protection type composite plastic film preparation method；This composite plastic film is prepared from by polyvinyl alcohol and activated carbon microcapsule are compound, described preparation method comprises the steps: that a) emulsion process produces emulsion, b) solidification method produces activated carbon microcapsule, and c) solution mixing method produces mixed solution, and d) composite plastic film is produced in post processing.
The multifunction environment-protection type composite plastic film that the present invention mentions is in the preparation, first with chitosan for wall material, activated carbon as core, Chitosan-coated activated carbon microcapsule is prepared by emulsifying-solidification method, then by solution mixing method, Chitosan-coated activated carbon microcapsule is combined with polyvinyl alcohol, obtains polyvinyl alcohol/activated carbon microcapsule composite membrane.Wherein, the activated carbon microcapsule of Chitosan-coated can be the most compatible with polyvinyl alcohol, the hydrogen bond formed by the amino on chitosan surface and the hydroxyl of polyvinyl alcohol, the composite plastic film that can make preparation obtains high-barrier, strong absorption, antibacterial multifunctionality, realizes the environmental requirement of degradable, nontoxic pollution-free simultaneously.
Embodiment
Concrete preparation method is as follows:
A) emulsion process produces emulsion, and concrete preparation process is: 2:1 the most in mass ratio weighs chitosan and crosses the activated carbon of 500 mesh sieves, then preparation is the chitosan solution of 1.5% containing 1% acetic acid, concentration；Then being put into by activated carbon in stirring container, addition appropriate amount of fluid paraffin, concentration are the sorbitol anhydride oleate emulsifying agent of 1.5%, and at room temperature stir 1h with the mixing speed of 2600r/min；It is then slowly added to chitosan solution, and stirs 1h with the mixing speed of 700r/min；Finally it is slowly added to the cross-linking agent glutaraldehyde of appropriate 50% concentration, and stirs 1h with the mixing speed of 500r/min, obtain faint yellow emulsion.
B) solidification method produces activated carbon microcapsule, the faint yellow emulsion petroleum ether repeated washing first step a) produced 3 times, again by emulsion sodium sulfite repeated washing 3 times, then by emulsion dehydrated alcohol repeated washing 3 times, finally carry out lyophilization process, obtain Chitosan-coated activated carbon microcapsule.
C) solution mixing method produces mixed solution, and concrete preparation process is: 10:1 the most in mass ratio weighs the poly-vinyl alcohol solution that concentration is 0.125g/mL and the activated carbon microcapsule solution that concentration is 0.1g/mL；Then poly-vinyl alcohol solution is stirred under 95 DEG C of water bath condition 1h, with backward poly-vinyl alcohol solution is slowly added to activated carbon microcapsule solution, after stirring 1h, obtains polyvinyl alcohol/activated carbon microcapsule mixed solution.
D) composite plastic film is produced in post processing, and the mixed solution first step c) produced carries out standing and defoaming process, then completes casting film-forming by casting machine, is dried 8h subsequently, is most followed by film, can be prepared by composite plastic film in 50 DEG C of calorstats.
Present invention is disclosed a kind of multifunction environment-protection type composite plastic film and preparation method thereof, these composite plastic film materials are novel, preparation method is unique, not only there is the non-harmful advantage of degradable, and there is higher barrier, stronger adsorptivity and the anti-microbial property of excellence.
The above; it is only the detailed description of the invention of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope that disclosed herein; the change can expected without creative work or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims are limited.
Claims (8)
1. multifunction environment-protection type composite plastic film and preparation method thereof, it is characterized in that, described composite plastic film is prepared from by polyvinyl alcohol and activated carbon microcapsule are compound, described preparation method comprises the steps: that a) emulsion process produces emulsion, b) solidification method produces activated carbon microcapsule, c) solution mixing method produces mixed solution, and d) composite plastic film is produced in post processing.
Multifunction environment-protection type composite plastic film the most according to claim 1 and preparation method thereof, it is characterised in that described step
A), in, it is chitosan solution, activated carbon, liquid paraffin, emulsifying agent, cross-linking agent mixing to be carried out emulsion reaction and obtain faint yellow emulsion that emulsion process produces emulsion.
Multifunction environment-protection type composite plastic film the most according to claim 2 and preparation method thereof, it is characterised in that the concentration of described chitosan solution is 1.5%, containing 1% acetic acid in this chitosan solution.
Multifunction environment-protection type composite plastic film the most according to claim 2 and preparation method thereof, it is characterised in that described activated carbon was 500 mesh sieve activated carbons, it is 1:2 with the quality proportioning of chitosan.
Multifunction environment-protection type composite plastic film the most according to claim 2 and preparation method thereof, it is characterised in that described emulsifying agent is 1.5% concentration sorbitol anhydride oleate, cross-linking agent is 50% concentration glutaraldehyde.
Multifunction environment-protection type composite plastic film the most according to claim 1 and preparation method thereof, it is characterised in that described step
B), in, it is that faint yellow emulsion step a) produced is successively with petroleum ether, sodium sulfite and absolute ethanol washing 3 times and carry out lyophilization process that solidification method produces activated carbon microcapsule.
Multifunction environment-protection type composite plastic film the most according to claim 1 and preparation method thereof, it is characterized in that, in described step c), poly-vinyl alcohol solution is 10:1 with the quality proportioning of activated carbon microcapsule solution, wherein, poly-vinyl alcohol solution concentration is 0.125g/mL, and activated carbon microcapsule solution concentration is 0.1g/mL.
Multifunction environment-protection type composite plastic film the most according to claim 1 and preparation method thereof, it is characterized in that, in described step d), post processing is produced composite plastic film and is comprised the steps: 1) casting film-forming after mixed solution standing and defoaming that step c) is produced；2) in 50 DEG C of calorstats, it is dried 8h and is followed by film.
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| CN201610258736.8A CN105860390A (en) | 2016-04-25 | 2016-04-25 | Multifunctional environment-friendly type composite plastic thin film and preparation method thereof |
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| CN201610258736.8A CN105860390A (en) | 2016-04-25 | 2016-04-25 | Multifunctional environment-friendly type composite plastic thin film and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107686620A (en) * | 2017-09-16 | 2018-02-13 | 常州富思通管道有限公司 | A kind of polyvinyl alcohol film |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215384A (en) * | 2008-01-11 | 2008-07-09 | 大连理工大学 | Method for preparing adsorbent recombination chitosan micro-sphere crosslinked resin |
| CN105367876A (en) * | 2015-12-10 | 2016-03-02 | 张进 | Efficient antibacterial fresh-keeping film material |
-
2016
- 2016-04-25 CN CN201610258736.8A patent/CN105860390A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215384A (en) * | 2008-01-11 | 2008-07-09 | 大连理工大学 | Method for preparing adsorbent recombination chitosan micro-sphere crosslinked resin |
| CN105367876A (en) * | 2015-12-10 | 2016-03-02 | 张进 | Efficient antibacterial fresh-keeping film material |
Non-Patent Citations (1)
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| 薛琼等: ""PVA/活性炭微胶囊复合膜的制备与性能研究"", 《塑料科技》 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107686620A (en) * | 2017-09-16 | 2018-02-13 | 常州富思通管道有限公司 | A kind of polyvinyl alcohol film |
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Application publication date: 20160817 |