CN109486074A - A kind of food environmental protection package membrane preparation method - Google Patents
A kind of food environmental protection package membrane preparation method Download PDFInfo
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- CN109486074A CN109486074A CN201811301832.1A CN201811301832A CN109486074A CN 109486074 A CN109486074 A CN 109486074A CN 201811301832 A CN201811301832 A CN 201811301832A CN 109486074 A CN109486074 A CN 109486074A
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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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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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
- C08J2401/02—Cellulose; Modified cellulose
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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
- C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
- C08J2403/04—Starch derivatives
- C08J2403/06—Esters
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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
- C08J2429/00—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
- C08J2429/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2429/04—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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- 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
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
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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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Biological Depolymerization Polymers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation methods of food environment-protective packaging film, include the following steps: S1, are mixed and dried silica, calcium carbonate, zinc oxide, crush, and sieving obtains material A；S2, modified starch is added to the water, heats simultaneously insulated and stirred, is subsequently added into cellulose, paraffin, epoxidized soybean oil, antioxidant, it stirs evenly, then polyvinyl alcohol, polyurethane resin, above-mentioned material A, secondary agitation, extrusion is plasticated, blown film, and food environment-protective packaging film can be obtained.The food being prepared through the invention has good mechanical performance, biodegradability with environment-protective packaging film, reduces the pollution to environment.
Description
Technical field
The present invention relates to packaging technical field of membrane, and in particular to a kind of preparation method of food environment-protective packaging film.
Background technique
The polybag of plastic sheeting making have it is light, thin, waterproof, intensity is big, at low cost, be a kind of good packing timber
Material, the use of polybag bring great convenience to people's lives.Plastic packaging bag provides convenient simultaneously as excessive make
With and the recovery processing reasons such as not in place, also result in serious energy resources waste and environmental pollution.Especially super-thin plastic
Packaging bag is easy breakage, is arbitrarily abandoned mostly, becomes the main source of " white pollution ".And with the increasing of polybag usage amount
Greatly, more and more problems also occurs, and the polybag after use is not easily recycled, is not degradable, and these problems greatly perplex
People.Environmentally protective theory is inconsistent with advocating, and how to find the polybag that one kind is degradable, reduces environmental pollution becomes people
The hot spot studied.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of preparation sides of food environment-protective packaging film
Method, the food being prepared have good mechanical performance, biodegradability with environment-protective packaging film, reduce the dirt to environment
Dye.
The invention proposes a kind of preparation methods of food environment-protective packaging film, include the following steps:
S1, silica, calcium carbonate, zinc oxide are mixed and dried, are crushed, sieving obtains material A；
S2, modified starch is added to the water, heats simultaneously insulated and stirred, is subsequently added into cellulose, paraffin, epoxy soybean
Oil, antioxidant, stir evenly, and then polyvinyl alcohol, polyurethane resin, above-mentioned material A, secondary agitation, extrusion are plasticated, blown film,
Food environment-protective packaging film can be obtained.
Preferably, the preparation process of the modified starch is as follows: dried starch is mixed with water, stirs, is made into starch emulsion,
PH value is adjusted, is placed in water-bath, acetic anhydride, octenyl succinic acid anhydride is added dropwise, is stirred when being added dropwise and adjusts maintenance reactant
The pH value of system is constant, adjusts pH value after reaction, stops stirring, and filtering is washed with water, dry, pulverize, and is sieved, is changed
Property starch.
Preferably, the preparation process of the modified starch is as follows: dried starch being mixed with water, stirs, is made into 30-40%'s
Starch emulsion, adjusting pH value are 8-10, are placed in 30-50 DEG C of water-bath, acetic anhydride, octenyl succinic are dripped in 1-2h
Acid anhydrides, is stirred when being added dropwise and the pH value for adjusting maintenance reaction system is constant, and reaction time 2-4h adjusts pH after reaction
Value is 6.5-7.0, stops stirring, and filtering is washed with water 3-5 times, is placed at 40-50 DEG C dry 10-16h, crushes, crosses 100-
150 meshes, obtain modified starch.
Preferably, the dried starch, acetic anhydride, octenyl succinic acid anhydride weight ratio be 13-16:1-2:0.3-0.5.
Preferably, the modified starch, silica, calcium carbonate, zinc oxide weight ratio be 45-60:8-12:10-14:
3-7。
Preferably, in S1, the temperature of the drying is 88-96 DEG C, drying time 1-3h.
Preferably, in S1, the mesh number of the sieving is 200-220 mesh.
Preferably, the modified starch, cellulose, paraffin, epoxidized soybean oil, antioxidant, polyvinyl alcohol, polyurethane tree
Rouge, water weight ratio be 45-60:15-30:1-3:4-8:1-2:60-80:40-60:50-80.
Preferably, in S2, it is heated to 86-90 DEG C and insulated and stirred 15-20min.
Preferably, in S2, the temperature of the secondary agitation is 90-95 DEG C, mixing time 2-4h.
The present invention using polyvinyl alcohol, polyurethane resin, modified starch, cellulose, silica, calcium carbonate, zinc oxide,
The raw materials such as paraffin, epoxidized soybean oil, antioxidant, and the preparation method of the invention passed through, the food being prepared environmental protection packet
Filling film has good mechanical performance, biodegradability, and packaging bag is extremely durable, hygienic environment-protecting, reduces the dirt to environment
Dye.The present invention adds silica, zinc oxide, paraffin, epoxidized soybean oil, resists using polyvinyl alcohol, polyurethane resin as base-material
The raw materials such as oxygen agent improve the performances such as antibacterial, the anti-oxidant, flexibility of packaging film；The modified starch that is added in the present invention, cellulose,
The degradation property of packaging film has can be improved in calcium carbonate, greatly reduces the pollution to environment, wherein modification through the invention
The modified starch that the preparation process of starch is prepared has excellent performance, using acetic anhydride, octenyl succinic acid anhydride to shallow lake
Powder is modified, and hydrophobicity and stability are improved, and applies in the present invention, the phase with polyvinyl alcohol, polyurethane resin
Capacitive is significantly improved, and can also promote dispersibility of other raw materials such as silica, zinc oxide in system, Ke Yijin
One step enhances mechanical performance, anti-microbial property and the degradation property of packaging film, to improve the comprehensive performance of packaging bag.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of food environment-protective packaging film, includes the following steps:
S1,12 parts of silica, 10 parts of calcium carbonate, 7 parts of zinc oxide are mixed by weight, 3h are dried at 88 DEG C, is crushed,
200 meshes are crossed, material A is obtained；
S2,60 portions of modified starches are added in 50 parts of water by weight, are heated to 90 DEG C and insulated and stirred 15min, connect
Be added 30 parts of celluloses, 1 part of paraffin, 8 parts of epoxidized soybean oils, 1 part of antioxidant, stir evenly, then 80 parts of polyvinyl alcohol, 40
Part polyurethane resin, above-mentioned material A, secondary agitation 2h, extrusion are plasticated at 95 DEG C, blown film, and food environmental protection packet can be obtained
Fill film；
Wherein, the preparation process of the modified starch is as follows: dried starch being mixed with water, stirs, is made into 40% starch
Lotion, adjusting pH value is 8, is placed in 50 DEG C of water-bath, and acetic anhydride, octenyl succinic acid anhydride are dripped in 1h, and side is added dropwise
Side, which is stirred and adjusted, maintains the pH value of reaction system constant, and reaction time 4h, adjusting pH value after reaction is 6.5, is stopped
Stirring, filtering, is washed with water 5 times, is placed at 40 DEG C dry 16h, crushes, sieve with 100 mesh sieve, obtain modified starch；
The dried starch, acetic anhydride, octenyl succinic acid anhydride weight ratio be 16:1:0.5.
Embodiment 2
A kind of preparation method of food environment-protective packaging film, includes the following steps:
S1,8 parts of silica, 14 parts of calcium carbonate, 3 parts of zinc oxide are mixed by weight, 1h are dried at 96 DEG C, is crushed,
220 meshes are crossed, material A is obtained；
S2,45 portions of modified starches are added in 80 parts of water by weight, are heated to 86 DEG C and insulated and stirred 20min, connect
Be added 15 parts of celluloses, 3 parts of paraffin, 4 parts of epoxidized soybean oils, 2 parts of antioxidant, stir evenly, then 60 parts of polyvinyl alcohol, 60
Part polyurethane resin, above-mentioned material A, secondary agitation 4h, extrusion are plasticated at 90 DEG C, blown film, and food environmental protection packet can be obtained
Fill film；
Wherein, the preparation process of the modified starch is as follows: dried starch being mixed with water, stirs, is made into 30% starch
Lotion, adjusting pH value is 10, is placed in 30 DEG C of water-bath, and acetic anhydride, octenyl succinic acid anhydride are dripped in 2h, and side is added dropwise
Side, which is stirred and adjusted, maintains the pH value of reaction system constant, and reaction time 2h, adjusting pH value after reaction is 7.0, is stopped
Stirring, filtering, is washed with water 3 times, is placed at 50 DEG C dry 10h, crushes, crosses 150 meshes, obtain modified starch；
The dried starch, acetic anhydride, octenyl succinic acid anhydride weight ratio be 13:2:0.3.
Embodiment 3
A kind of preparation method of food environment-protective packaging film, includes the following steps:
S1,10 parts of silica, 12 parts of calcium carbonate, 5 parts of zinc oxide are mixed by weight, 2h are dried at 92 DEG C, is crushed,
200 meshes are crossed, material A is obtained；
S2,55 portions of modified starches are added in 65 parts of water by weight, are heated to 88 DEG C and insulated and stirred 17min, connect
Be added 22 parts of celluloses, 2 parts of paraffin, 6 parts of epoxidized soybean oils, 1.5 parts of antioxidant, stir evenly, then 70 parts of polyvinyl alcohol,
50 parts of polyurethane resins, above-mentioned material A, secondary agitation 3h, extrusion are plasticated at 92 DEG C, blown film, and food environmental protection can be obtained
Packaging film；
Wherein, the preparation process of the modified starch is as follows: dried starch being mixed with water, stirs, is made into 35% starch
Lotion, adjusting pH value is 9, is placed in 40 DEG C of water-bath, and acetic anhydride, octenyl succinic acid anhydride, side drop are dripped in 1.5h
Edged, which is stirred and adjusted, maintains the pH value of reaction system constant, and reaction time 3h, adjusting pH value after reaction is 6.8, is stopped
It only stirs, filters, be washed with water 4 times, be placed at 46 DEG C dry 13h, crush, cross 120 meshes, obtain modified starch；
The dried starch, acetic anhydride, octenyl succinic acid anhydride weight ratio be 15:1.5:0.4.
Test example 1
Mechanical performance and anti-microbial property are carried out with environment-protective packaging film to the food that 1-3 of the embodiment of the present invention is prepared respectively
Detection, the results are shown in Table 1.
Table 1
| Project | Tensile strength (MPa) | Elongation at break (%) | Staphylococcus aureus sterilizing rate (%) |
| Embodiment 1 | 9.3 | 147 | 95.5 |
| Embodiment 2 | 9.4 | 148 | 95.8 |
| Embodiment 3 | 9.6 | 151 | 96.6 |
As can be seen from Table 1, the food that the present invention is prepared environment-protective packaging film has good mechanical performance and resists
Bacterium performance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of preparation method of food environment-protective packaging film, which comprises the steps of:
S1, silica, calcium carbonate, zinc oxide are mixed and dried, are crushed, sieving obtains material A；
S2, modified starch is added to the water, heats simultaneously insulated and stirred, be subsequently added into cellulose, paraffin, epoxidized soybean oil, resist
Oxygen agent, stirs evenly, and then polyvinyl alcohol, polyurethane resin, above-mentioned material A, secondary agitation, extrusion are plasticated, and blown film can obtain
To food environment-protective packaging film.
2. the preparation method of food environment-protective packaging film according to claim 1, which is characterized in that the modified starch
Preparation process is as follows: dried starch being mixed with water, is stirred, starch emulsion is made into, pH value is adjusted, is placed in water-bath, vinegar is added dropwise
Acid anhydrides, octenyl succinic acid anhydride, are stirred when being added dropwise and the pH value for adjusting maintenance reaction system is constant, adjust pH after reaction
Value stops stirring, and filtering is washed with water, dry, pulverize, and is sieved, obtains modified starch.
3. according to claim 1Or 2The preparation method of the food environment-protective packaging film, which is characterized in that the modified shallow lake
The preparation process of powder is as follows: dried starch mixed with water, is stirred, the starch emulsion of 30-40% is made into, adjusting pH value is 8-10,
It is placed in 30-50 DEG C of water-bath, acetic anhydride, octenyl succinic acid anhydride is dripped in 1-2h, stir and adjust when being added dropwise
Maintain the pH value of reaction system constant, reaction time 2-4h, adjusting pH value after reaction is 6.5-7.0, stops stirring, mistake
Filter, is washed with water 3-5 times, is placed at 40-50 DEG C dry 10-16h, crushes, crosses 100-150 mesh, obtain modified starch.
4. the preparation method of food environment-protective packaging film according to claim 2 or 3, which is characterized in that the dried starch,
Acetic anhydride, octenyl succinic acid anhydride weight ratio be 13-16:1-2:0.3-0.5.
5. the preparation method of food environment-protective packaging film according to claim 1, which is characterized in that the modified starch,
Silica, calcium carbonate, zinc oxide weight ratio be 45-60:8-12:10-14:3-7.
6. the preparation method of food environment-protective packaging film according to claim 1, which is characterized in that in S1, the drying
Temperature be 88-96 DEG C, drying time 1-3h.
7. the preparation method of food environment-protective packaging film according to claim 1, which is characterized in that in S1, the sieving
Mesh number be 200-220 mesh.
8. the preparation method of food environment-protective packaging film according to claim 1, which is characterized in that the modified starch,
Cellulose, paraffin, epoxidized soybean oil, antioxidant, polyvinyl alcohol, polyurethane resin, water weight ratio be 45-60:15-30:1-
3:4-8:1-2:60-80:40-60:50-80.
9. the preparation method of food environment-protective packaging film according to claim 1, which is characterized in that in S2, be heated to 86-
90 DEG C and insulated and stirred 15-20min.
10. the preparation method of food environment-protective packaging film according to claim 1, which is characterized in that described secondary in S2
The temperature of stirring is 90-95 DEG C, mixing time 2-4h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811301832.1A CN109486074A (en) | 2018-11-02 | 2018-11-02 | A kind of food environmental protection package membrane preparation method |
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| CN201811301832.1A CN109486074A (en) | 2018-11-02 | 2018-11-02 | A kind of food environmental protection package membrane preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788990A (en) * | 2021-09-28 | 2021-12-14 | 东莞世皓新材料生物科技有限公司 | Preparation method of food fresh-keeping packaging film material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961836A (en) * | 2015-06-24 | 2015-10-07 | 上海交通大学 | Preparation method and application of octenyl succinic anhydride starch emulgator |
| CN107501625A (en) * | 2017-09-14 | 2017-12-22 | 广德美好包装科技有限公司 | A kind of food pack and preparation method thereof |
| CN107540877A (en) * | 2017-09-30 | 2018-01-05 | 江苏瑞腾涂装科技有限公司 | A kind of degradable packaging bag |
-
2018
- 2018-11-02 CN CN201811301832.1A patent/CN109486074A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104961836A (en) * | 2015-06-24 | 2015-10-07 | 上海交通大学 | Preparation method and application of octenyl succinic anhydride starch emulgator |
| CN107501625A (en) * | 2017-09-14 | 2017-12-22 | 广德美好包装科技有限公司 | A kind of food pack and preparation method thereof |
| CN107540877A (en) * | 2017-09-30 | 2018-01-05 | 江苏瑞腾涂装科技有限公司 | A kind of degradable packaging bag |
Non-Patent Citations (1)
| Title |
|---|
| 刘婧婷等: "淀粉酯的研究进展", 《食品工业科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113788990A (en) * | 2021-09-28 | 2021-12-14 | 东莞世皓新材料生物科技有限公司 | Preparation method of food fresh-keeping packaging film material |
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