CN105885192A - Food fresh-keeping bag - Google Patents
Food fresh-keeping bag Download PDFInfo
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- CN105885192A CN105885192A CN201610366418.3A CN201610366418A CN105885192A CN 105885192 A CN105885192 A CN 105885192A CN 201610366418 A CN201610366418 A CN 201610366418A CN 105885192 A CN105885192 A CN 105885192A
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- attapulgite
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- 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
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
-
- 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
-
- 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
-
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- 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)
- Mechanical Engineering (AREA)
- Storage Of Fruits Or Vegetables (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
Abstract
The invention discloses a food fresh-keeping bag. The food fresh-keeping bag is prepared from linear low density polyethylene, bamboo powder, tri-n-butyl citrate, glycerol monostearate, plant fiber, nano-attapulgite, abietinol, diethyl malonate, chitosan and a heat-resistant modifier. The food fresh-keeping bag is resistant to high temperature and good in flexibility, has a good inhibiting effect on staphylococcus aureus and escherichia coli by means of mutual synergistic effects of all the ingredients and is high in barrier property to water vapor and oxygen. According to the food fresh-keeping bag, the longitudinal tensile strength can reach 18.2 MPa or above, the transverse tensile strength can reach 16.3 MPa or above, the comprehensive mechanical property of the food fresh-keeping bag is improved, the branching degree and glass transition temperature of the food fresh-keeping bag are greatly increased, and the decomposition temperature of the food fresh-keeping bag is increased; the ageing resistance and stability to light and heat are greatly improved, and the oxidation resistance, chemical resistance and antimicrobial property are all greatly improved.
Description
Technical field
The present invention relates to plastic applications, particularly relate to a kind of food preserving bag.
Background technology
Raising along with domestic consumption level, living standard of urban and rural population tempo increase, in the production of instant noodles, rice, medicated porridge, bread etc. and the cooked products such as convenient poultry meat, storage meat, aquatic products, eggs, dish, it is required for using food preserving bag, and for these food preserving bags, require completely with out bacterium, exist without air again, higher to the barrier of steam, oxygen.Especially preserve the freshness protection package of meat products, and meat products is in the case of having moisture air, bacterial reproduction is quickly, thus there is putrid and deteriorated phenomenon, but, freshness protection package currently on the market is the highest to the barrier of steam, oxygen, causes the time preserving food short, can not meet the demand of many occasions.
Summary of the invention
It is an object of the invention to provide a kind of food preserving bag, be achieved through the following technical solutions:
A kind of food preserving bag, is made up of following component: linear low density polyethylene 160, bamboo powder 1.2, tri-n-butyl citrate 1, glyceryl monostearate 2, Plant fiber 6, nano-attapulgite 12.5, abienol 1, diethyl malonate 1.2, chitosan 3, heat-proof modifier 0.7 by weight；
The granularity of described nano-attapulgite is 22-23nm, nano-attapulgite is through pretreatment: is used by nano-attapulgite and press ethanol and the airtight immersion of stearic acid mixed solution 30 minutes that 100:3 mass ratio mixes, mixeding liquid temperature controls, at 25-26 DEG C, then to filter, skin drying；Described bamboo powder is through pretreatment: being used by nano-attapulgite and press ethanol and the airtight immersion of stearic acid mixed solution 30 minutes that 100:7 mass ratio mixes, mixeding liquid temperature controls, at 25-26 DEG C, then to filter, skin drying；The bamboo powder processed by the method, can not only the fungistatic effect of reinforcing material, also improve the compatibility of bamboo powder, thus improve the heat resistance of material；
nullDescribed Plant fiber's preparation method is: take Folium Mori and mint mixture that weight portion is 25，Folium Mori and Herba Menthae press the mixing of 5:1 weight ratio，Using mass concentration is that the soaking in sodium carbonate solution of 1.5% is after 15 minutes，Filter，It is then added in the hydrochloric acid solution that mass concentration is 5.5%，It is heated to 28-32 DEG C，Continue 10 minutes，Then filter，Washing，Add Folium Mori and the water of 2 times of weight of mint mixture，Add Folium Mori and the xylanase of mint mixture weight 2% again，After stirring，Liquid pH value is adjusted to 8.8，Temperature brings up to 48 DEG C，And stir with 250r/min speed，After continuing 30 minutes，Filter，Washing，It is then added in the sodium hydroxide solution that mass concentration is 6.8%，It is heated to 55-58 DEG C，After continuing 25 minutes，Filter，Washing，It is then added in the liquor natrii hypochloritis that mass concentration is 0.8%，After soaking 20 minutes，Filter，Washing，Dry，I.e. available required Plant fiber；More preferably, affinity is good for the Plant fiber's pliability prepared by the method and toughness, it is possible to increase the toughness of food preserving bag and intensity, moreover it is possible to subsidiary fungistatic effect, has good inhibition for staphylococcus aureus, escherichia coli；
Described heat-proof modifier is made up of following component by weight: diphenyl acrylate 3, sodium polyacrylate 0.5, dipropyl silicon diol 2；Described heat-proof modifier preparation method is: added to by diphenyl acrylate in reactor, with the speed of 1 DEG C/10s, the temperature of reactor is risen to 47 DEG C, after being incubated 10 minutes, add sodium polyacrylate, after stirring, it is heated to 100 DEG C, after 3 minutes, it is heated to the dipropyl silicon diol of 102 DEG C, after stirring 10 minutes with 500r/min rotating speed, stand, be cooled to room temperature.
A kind of preparation method of food preserving bag, including:
1) linear low density polyethylene, glyceryl monostearate are uniformly mixed with tri-n-butyl citrate, initial heating temperature is to 254 DEG C, after continuing 15 minutes, interpolation bamboo powder, Plant fiber, nano-attapulgite, abienol, diethyl malonate, chitosan, heat-proof modifier continue to be slowly heated, till being heated to 330 DEG C with the speed of 1 DEG C/10s, cool down with the speed of 1 DEG C/20s again, when being cooled to 142 DEG C, after keeping 15 minutes, add to high-speed stirred be blended proceed by preplasticizing, rotating speed is 800r/min；
2) material that preplasticizing is good is delivered to extruder, extruding plasticizing and uniformly plastic grain, the process conditions of extrusion process are: district's temperature 202 DEG C, two district's temperature 222 DEG C, three district's temperature 248 DEG C, four district's temperature 262 DEG C, the time of staying is 2 minutes, dwell pressure is 34MPa, and the dwell time is 15s；
3) using blow moulding machine that the material after mixing is carried out blow molding is food preserving bag.
Plastics add attapulgite and can improve its compatibility, improve mechanical strength and the thermostability of material, but when being as attapulgite addition more than 10 parts, the compactness of material reduces, and Vicat softening point begins to decline, and hot strength and elongation at break significantly decline；The present invention is found by lot of experiments, through nano-attapulgite being used ethanol and the airtight immersion treatment of stearic acid mixed solution pressing the mixing of 100:3 mass ratio, the structure of nano-attapulgite can be improved, improve its compatibility and dispersibility further, and make attapulgite addition when 12.5 parts, still can keep the high compactness of material, high Vicat softening point, the thermostability of material can also be improved further, draw high intensity and elongation at break, thus improve the exclusion of water steam of material, the performance of oxygen, improve it freshness.
The heat-proof modifier that the present invention is prepared by substantial amounts of experimentation coordinates glyceryl monostearate and tri-n-butyl citrate, can be connected formation cross-linked structure with polymer molecular chain, each composition can closely be combined, thus improve hot strength and the thermostability of material further, the food preserving bag of preparation can sterilize 40 minutes at 135 DEG C of high temperature steamings, and on food preserving bag structure itself without impact.
The invention has the beneficial effects as follows: food preserving bag of the present invention is high temperature resistant, pliability is good, by the mutual synergism of each composition, for staphylococcus aureus, escherichia coli, there is good inhibition, higher to the barrier of steam, oxygen, food preserving bag longitudinal tensile strength of the present invention can reach more than 18.2MPa, transverse tensile strength can reach more than 16.3MPa, improve the comprehensive mechanical property of food preserving bag of the present invention, greatly improve the degree of branching and the vitrification point of food preserving bag, improve its decomposition temperature；Ageing resistance and be greatly improved the stability of light and heat, antioxidation, chemical-resistance and anti-microbial property are obtained for raising greatly.
Detailed description of the invention
A kind of food preserving bag, is made up of following component: linear low density polyethylene 160, bamboo powder 1.2, tri-n-butyl citrate 1, glyceryl monostearate 2, Plant fiber 6, nano-attapulgite 12.5, abienol 1, diethyl malonate 1.2, chitosan 3, heat-proof modifier 0.7 by weight；
The granularity of described nano-attapulgite is 22-23nm, nano-attapulgite is through pretreatment: is used by nano-attapulgite and press ethanol and the airtight immersion of stearic acid mixed solution 30 minutes that 100:3 mass ratio mixes, mixeding liquid temperature controls, at 25-26 DEG C, then to filter, skin drying；Described bamboo powder is through pretreatment: being used by nano-attapulgite and press ethanol and the airtight immersion of stearic acid mixed solution 30 minutes that 100:7 mass ratio mixes, mixeding liquid temperature controls, at 25-26 DEG C, then to filter, skin drying；The bamboo powder processed by the method, can not only the fungistatic effect of reinforcing material, also improve the compatibility of bamboo powder, thus improve the heat resistance of material；
nullDescribed Plant fiber's preparation method is: take Folium Mori and mint mixture that weight portion is 25，Folium Mori and Herba Menthae press the mixing of 5:1 weight ratio，Using mass concentration is that the soaking in sodium carbonate solution of 1.5% is after 15 minutes，Filter，It is then added in the hydrochloric acid solution that mass concentration is 5.5%，It is heated to 28-32 DEG C，Continue 10 minutes，Then filter，Washing，Add Folium Mori and the water of 2 times of weight of mint mixture，Add Folium Mori and the xylanase of mint mixture weight 2% again，After stirring，Liquid pH value is adjusted to 8.8，Temperature brings up to 48 DEG C，And stir with 250r/min speed，After continuing 30 minutes，Filter，Washing，It is then added in the sodium hydroxide solution that mass concentration is 6.8%，It is heated to 55-58 DEG C，After continuing 25 minutes，Filter，Washing，It is then added in the liquor natrii hypochloritis that mass concentration is 0.8%，After soaking 20 minutes，Filter，Washing，Dry，I.e. available required Plant fiber；More preferably, affinity is good for the Plant fiber's pliability prepared by the method and toughness, it is possible to increase the toughness of food preserving bag and intensity, moreover it is possible to subsidiary fungistatic effect, has good inhibition for staphylococcus aureus, escherichia coli；
Described heat-proof modifier is made up of following component by weight: diphenyl acrylate 3, sodium polyacrylate 0.5, dipropyl silicon diol 2；Described heat-proof modifier preparation method is: added to by diphenyl acrylate in reactor, with the speed of 1 DEG C/10s, the temperature of reactor is risen to 47 DEG C, after being incubated 10 minutes, add sodium polyacrylate, after stirring, it is heated to 100 DEG C, after 3 minutes, it is heated to the dipropyl silicon diol of 102 DEG C, after stirring 10 minutes with 500r/min rotating speed, stand, be cooled to room temperature.
A kind of preparation method of food preserving bag, including:
1) linear low density polyethylene, glyceryl monostearate are uniformly mixed with tri-n-butyl citrate, initial heating temperature is to 254 DEG C, after continuing 15 minutes, interpolation bamboo powder, Plant fiber, nano-attapulgite, abienol, diethyl malonate, chitosan, heat-proof modifier continue to be slowly heated, till being heated to 330 DEG C with the speed of 1 DEG C/10s, cool down with the speed of 1 DEG C/20s again, when being cooled to 142 DEG C, after keeping 15 minutes, add to high-speed stirred be blended proceed by preplasticizing, rotating speed is 800r/min；
2) material that preplasticizing is good is delivered to extruder, extruding plasticizing and uniformly plastic grain, the process conditions of extrusion process are: district's temperature 202 DEG C, two district's temperature 222 DEG C, three district's temperature 248 DEG C, four district's temperature 262 DEG C, the time of staying is 2 minutes, dwell pressure is 34MPa, and the dwell time is 15s；
3) using blow moulding machine that the material after mixing is carried out blow molding is food preserving bag.
Plastics add attapulgite and can improve its compatibility, improve mechanical strength and the thermostability of material, but when being as attapulgite addition more than 10 parts, the compactness of material reduces, and Vicat softening point begins to decline, and hot strength and elongation at break significantly decline；The present invention is found by lot of experiments, through nano-attapulgite being used ethanol and the airtight immersion treatment of stearic acid mixed solution pressing the mixing of 100:3 mass ratio, the structure of nano-attapulgite can be improved, improve its compatibility and dispersibility further, and make attapulgite addition when 12.5 parts, still can keep the high compactness of material, high Vicat softening point, the thermostability of material can also be improved further, draw high intensity and elongation at break, thus improve the exclusion of water steam of material, the performance of oxygen, improve it freshness.
The heat-proof modifier that the present invention is prepared by substantial amounts of experimentation coordinates glyceryl monostearate and tri-n-butyl citrate, can be connected formation cross-linked structure with polymer molecular chain, each composition can closely be combined, thus improve hot strength and the thermostability of material further, the food preserving bag of preparation can sterilize 40 minutes at 135 DEG C of high temperature steamings, and on food preserving bag structure itself without impact.
Claims (2)
1. a food preserving bag, it is characterized in that, be made up of following component by weight: linear low density polyethylene 160, bamboo powder 1.2, tri-n-butyl citrate 1, glyceryl monostearate 2, Plant fiber 6, nano-attapulgite 12.5, abienol 1, diethyl malonate 1.2, chitosan 3, heat-proof modifier 0.7；
The granularity of described nano-attapulgite is 22-23nm, nano-attapulgite is through pretreatment: is used by nano-attapulgite and press ethanol and the airtight immersion of stearic acid mixed solution 30 minutes that 100:3 mass ratio mixes, mixeding liquid temperature controls, at 25-26 DEG C, then to filter, skin drying；Described bamboo powder is through pretreatment: being used by nano-attapulgite and press ethanol and the airtight immersion of stearic acid mixed solution 30 minutes that 100:7 mass ratio mixes, mixeding liquid temperature controls, at 25-26 DEG C, then to filter, skin drying；
nullDescribed Plant fiber's preparation method is: take Folium Mori and mint mixture that weight portion is 25，Folium Mori and Herba Menthae press the mixing of 5:1 weight ratio，Using mass concentration is that the soaking in sodium carbonate solution of 1.5% is after 15 minutes，Filter，It is then added in the hydrochloric acid solution that mass concentration is 5.5%，It is heated to 28-32 DEG C，Continue 10 minutes，Then filter，Washing，Add Folium Mori and the water of 2 times of weight of mint mixture，Add Folium Mori and the xylanase of mint mixture weight 2% again，After stirring，Liquid pH value is adjusted to 8.8，Temperature brings up to 48 DEG C，And stir with 250r/min speed，After continuing 30 minutes，Filter，Washing，It is then added in the sodium hydroxide solution that mass concentration is 6.8%，It is heated to 55-58 DEG C，After continuing 25 minutes，Filter，Washing，It is then added in the liquor natrii hypochloritis that mass concentration is 0.8%，After soaking 20 minutes，Filter，Washing，Dry，I.e. available required Plant fiber；
Described heat-proof modifier is made up of following component by weight: diphenyl acrylate 3, sodium polyacrylate 0.5, dipropyl silicon diol 2；Described heat-proof modifier preparation method is: added to by diphenyl acrylate in reactor, with the speed of 1 DEG C/10s, the temperature of reactor is risen to 47 DEG C, after being incubated 10 minutes, add sodium polyacrylate, after stirring, it is heated to 100 DEG C, after 3 minutes, it is heated to the dipropyl silicon diol of 102 DEG C, after stirring 10 minutes with 500r/min rotating speed, stand, be cooled to room temperature.
The preparation method of a kind of food preserving bag the most according to claim 1, it is characterised in that including:
1) linear low density polyethylene, glyceryl monostearate are uniformly mixed with tri-n-butyl citrate, initial heating temperature is to 254 DEG C, after continuing 15 minutes, interpolation bamboo powder, Plant fiber, nano-attapulgite, abienol, diethyl malonate, chitosan, heat-proof modifier continue to be slowly heated, till being heated to 330 DEG C with the speed of 1 DEG C/10s, cool down with the speed of 1 DEG C/20s again, when being cooled to 142 DEG C, after keeping 15 minutes, add to high-speed stirred be blended proceed by preplasticizing, rotating speed is 800r/min；
2) material that preplasticizing is good is delivered to extruder, extruding plasticizing and uniformly plastic grain, the process conditions of extrusion process are: district's temperature 202 DEG C, two district's temperature 222 DEG C, three district's temperature 248 DEG C, four district's temperature 262 DEG C, the time of staying is 2 minutes, dwell pressure is 34MPa, and the dwell time is 15s；
3) using blow moulding machine that the material after mixing is carried out blow molding is food preserving bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366418.3A CN105885192A (en) | 2016-05-30 | 2016-05-30 | Food fresh-keeping bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610366418.3A CN105885192A (en) | 2016-05-30 | 2016-05-30 | Food fresh-keeping bag |
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| Publication Number | Publication Date |
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| CN105885192A true CN105885192A (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610366418.3A Pending CN105885192A (en) | 2016-05-30 | 2016-05-30 | Food fresh-keeping bag |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021365A (en) * | 2018-08-27 | 2018-12-18 | 蚌埠市维光塑胶制品有限公司 | A kind of degradation plastic packaging bag preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632600A (en) * | 2012-04-25 | 2012-08-15 | 昆明东方塑纸包装有限公司 | Method for preparing low-temperature freshness protection package by applying high polymer material |
| CN103589182A (en) * | 2013-10-19 | 2014-02-19 | 安徽美翔塑业有限公司 | Environment-friendly plastic bag |
| CN104788785A (en) * | 2015-04-20 | 2015-07-22 | 浙江一帆日用品有限公司 | Environment-friendly antibacterial fresh-keeping bag |
| CN104817759A (en) * | 2015-04-17 | 2015-08-05 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag preparation method |
-
2016
- 2016-05-30 CN CN201610366418.3A patent/CN105885192A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632600A (en) * | 2012-04-25 | 2012-08-15 | 昆明东方塑纸包装有限公司 | Method for preparing low-temperature freshness protection package by applying high polymer material |
| CN103589182A (en) * | 2013-10-19 | 2014-02-19 | 安徽美翔塑业有限公司 | Environment-friendly plastic bag |
| CN104817759A (en) * | 2015-04-17 | 2015-08-05 | 柳州蔚园塑料彩印包装有限责任公司 | Plastic packaging bag preparation method |
| CN104788785A (en) * | 2015-04-20 | 2015-07-22 | 浙江一帆日用品有限公司 | Environment-friendly antibacterial fresh-keeping bag |
Non-Patent Citations (1)
| Title |
|---|
| 陈晓浪 等: "改性处理对水稻秸秆纤维结构和性能的影响", 《功能材料》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109021365A (en) * | 2018-08-27 | 2018-12-18 | 蚌埠市维光塑胶制品有限公司 | A kind of degradation plastic packaging bag preparation method |
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Application publication date: 20160824 |