CN106117698A - High intensity food bag and preparation method thereof - Google Patents
High intensity food bag and preparation method thereof Download PDFInfo
- Publication number
- CN106117698A CN106117698A CN201610444530.4A CN201610444530A CN106117698A CN 106117698 A CN106117698 A CN 106117698A CN 201610444530 A CN201610444530 A CN 201610444530A CN 106117698 A CN106117698 A CN 106117698A
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- preparation
- starch
- food bag
- high intensity
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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
- C08L23/06—Polyethene
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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
- C08L2201/02—Flame or fire retardant/resistant
-
- 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
-
- 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
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of high intensity food bag and preparation method thereof, including step one, raw material carrying out is mixed, heat treatment forms mixture；Step 2, prepares plastic sheeting by described mixture extrusion molding；Step 3, is processed into high intensity food bag by described plastic sheeting.Wherein raw material includes polyvinyl resin, Merlon, inserts, plasticizer, starch and antioxidant.The high intensity food bag prepared by the method has the mechanical strength of excellence, and the raw material in this preparation method is easy to get so that this high intensity food bag can be produced in batches simultaneously.
Description
Technical field
The present invention relates to food bag, in particular it relates to a kind of high intensity food bag and preparation method thereof.
Background technology
Food bag is requisite in people's daily life, holds at food to people, transports aspect and bring the biggest
Convenience.Food bag generally comprises food-packaging bag, paper foodstuff bag and complex food bag.Paper foodstuff bag and complex food bag
Though environmental protection, degradable, after meeting the fluid such as water and oil, easily deformation is stained, and contained food can be polluted.And mould
Material food bag just can greatly overcome and runs into the defect of deformation after fluid, and can be with Reusability and then food-packaging bag energy at present
Enough extensively applied.
Although food-packaging bag can be applicable to contain fluid type food, but under higher or lower temperature, plastics
The superior mechanical performance of food bag is subject to challenge greatly, it may occur that gross distortion is the most damaged, and then have impact on and mould
The normal use of material food bag.
Summary of the invention
It is an object of the invention to provide a kind of high intensity food bag and preparation method thereof, the high intensity prepared by the method
Food bag has the mechanical strength of excellence, it is possible to holds the higher and fluid food of lower temperature and is unlikely to deform breakage, simultaneously
Raw material in this preparation method is easy to get so that this high intensity food bag can be produced in batches.
To achieve these goals, the invention provides the preparation method of a kind of high intensity food bag, including: step one,
Carry out raw material mixing, heat treatment forms mixture；Step 2, prepares plastic sheeting by described mixture extrusion molding；Step
Three, described plastic sheeting is processed into high intensity food bag；
Wherein, described raw material includes polyvinyl resin, Merlon, inserts, plasticizer, starch and antioxidant；Phase
For the polyvinyl resin of 100 weight portions, the consumption of described Merlon is 30-35 weight portion, and the consumption of described inserts is
10-25 weight portion, the consumption of described plasticizer is 1-10 weight portion, and the consumption of described starch is 10-20 weight portion, described antioxygen
The consumption of agent is 1-10 weight portion.
Present invention also offers a kind of high intensity food bag, this high intensity food bag is prepared by above-mentioned preparation method.
By technique scheme, the present invention is by with the addition of tool on the film-forming base of polyvinyl resin and Merlon
There is synergistic plasticizer, also added simultaneously and there is the inserts of flame retardant effect (in fiber, asbestos, brucite and graphite
Two or more) and antioxidant.Cooperative reinforcing effect between each raw material makes the high intensity prepared by the method eat
Product bag has the mechanical strength of excellence, it is possible to holds the higher and fluid food of lower temperature and is unlikely to deform breakage, should simultaneously
Raw material in preparation method is easy to get so that this high intensity food bag can be produced in batches.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that described herein specifically
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention discloses the preparation method of a kind of high intensity food bag, including step one, raw material carrying out is mixed,
Heat treatment forms mixture；Step 2, prepares plastic sheeting by described mixture extrusion molding；Step 3, by thin for described plastics
Film is processed into high intensity food bag；Wherein raw material includes polyvinyl resin, Merlon, inserts, plasticizer, starch and antioxygen
Agent, relative to the polyvinyl resin of 100 weight portions, the consumption of described Merlon is 30-35 weight portion, described inserts
Consumption is 10-25 weight portion, and the consumption of described plasticizer is 1-10 weight portion, and the consumption of described starch is 10-20 weight portion, institute
The consumption stating antioxidant is 1-10 weight portion.
In the present invention, polyvinyl resin, the molecular weight of Merlon can select in wide scope, but in order to make
The high intensity food bag prepared has more excellent mechanical performance, it is preferable that the weight average molecular weight of polyvinyl resin is 30,000-5
Ten thousand, the weight average molecular weight of Merlon is 20,000-4 ten thousand.
In the present invention, the kind of inserts used can select in wide scope, but in order to improve further, increase
The wearability of strong food bag and thermostability, it is preferable that inserts is multiple in fiber, asbestos, brucite and graphite.
In the present invention, with the addition of plasticizer and can improve plasticity and the softness of plastics in food bag manufacturing process
Property, but in order to reduce the fragility of food bag further, it is preferable that plasticizer is dibutyl phthalate, phthalic acid two
One or more in monooctyl ester and tricresyl phosphate.
In the present invention, starch can select in wide scope, but in order to improve prepared food bag further
Safety and Environmental Protection, it is preferable that starch is green starch, tapioca, sweet potato starch, sweet potato starch, potato starch, wheat and barley shallow lake
Two or more in powder, water caltrop starch and Rhizoma Nelumbinis starch, corn starch.
In the present invention, antioxidant can select in wide scope, but in order to improve obtained food further
Bag corrosion resistance in use, it is preferable that antioxidant is sylvan or dimethyl phenol.
It addition, in step one, the condition of mixing can also select in wide scope, but in order to raw material mixes more
Add uniformly, it is preferable that mixing meets following condition: mixing temperature is 20-35 DEG C, and incorporation time is 1-2.5h.
Meanwhile, for the ease of the extrusion molding of mixture, it is preferable that heat treatment meets the temperature of following condition heat treatment and is
180-220 DEG C, the time of heat treatment is 4-6h.
Additionally, in step 2, the actual conditions of extrusion molding can select in wide scope, but so that prepare
Plastic sheeting there is more excellent mechanical performance, it is preferable that the temperature of extrusion molding is 160-190 DEG C.
Present invention also offers a kind of high intensity food bag, described high intensity food bag is by above-mentioned method preparation
Become.
Hereinafter will be described the present invention by embodiment.In following example, tensile strength (Rm/Mpa) and
Shrinkage factor (δ/%) parameter is recorded by the method for GB GB/T13022-91.
Embodiment 1
At 20 DEG C, first by polyvinyl resin (weight average molecular weight is 30,000), Merlon (weight average molecular weight is 20,000), fibre
(weight ratio of each material is for dimension, asbestos, dibutyl phthalate, green starch, tapioca, sweet potato starch and sylvan
100:30:5:6:2:3:3:4:2) mixing 1h, then at 180 DEG C, heat treatment 6h prepares mixture；Again described mixture is existed
At 185 DEG C, extruded prepared thickness is the plastic sheeting of 0.08mm；Finally above-mentioned plastic sheeting is processed into high intensity food
Bag A1.
Embodiment 2
At 25 DEG C, first by polyvinyl resin (weight average molecular weight is 40,000), Merlon (weight average molecular weight is 30,000), stone
Cotton, brucite, dioctyl phthalate, sweet potato starch, potato starch, wheat and barley starch and the dimethyl phenol (weight of each material
Amount ratio is 100:33:10:10:4:5:5:6:4) mixing 1.5h, then at 190 DEG C, heat treatment 5h prepares mixture；Again by institute
Stating mixture extruded prepared thickness at 185 DEG C is the plastic sheeting of 0.08mm；Finally above-mentioned plastic sheeting is processed into
High intensity food bag A2.
Embodiment 3
At 35 DEG C, first by polyvinyl resin (weight average molecular weight is 50,000), Merlon (weight average molecular weight is 40,000), water
(weight ratio of each material is for Talcum, graphite, tricresyl phosphate, water caltrop starch, Rhizoma Nelumbinis starch, corn starch and dimethyl phenol
100:35:14:10:8:5:10:5:8) mixing 2h, then at 200 DEG C, heat treatment 4h prepares mixture；Again by described mixture
At 190 DEG C, extruded prepared thickness is the plastic sheeting of 0.08mm；Finally above-mentioned plastic sheeting is processed into high intensity food
Product bag A3.
Comparative example 1
Food bag B1 is prepared, except for the difference that, without green starch and tapioca in raw material according to the method for embodiment 1.
Comparative example 2
Food bag B2 is prepared, except for the difference that, without fiber and asbestos in raw material according to the method for embodiment 2.
Comparative example 3
Food bag B3 is prepared, except for the difference that, without dimethyl phenol in raw material according to the method for embodiment 3.
Detection example 1
High intensity food bag A1-A3 and food bag B1-B3 is first processed at 70 DEG C 2h, then processes at-5 DEG C
2h, finally carries out the parameter survey of tensile strength (Rm/Mpa) and shrinkage factor (δ/%) according to the method for GB GB/T13022-91
Examination, concrete outcome is shown in Table 1.
Table 1
| A1 | A2 | A3 | B1 | B2 | B3 | |
| Rm/Mpa | 36.5 | 37.2 | 38.5 | 22.3 | 23.5 | 30.5 |
| δ/% | 2.4 | 2.3 | 2.0 | 4.5 | 3.7 | 3.5 |
Tensile strength (Rm/Mpa) numerical value in above-mentioned detection example 1 is the biggest and the least explanation of shrinkage factor (δ/%) numerical value is examined
The mechanical performance of the food bag surveyed is the best.Detection data according to table 1 show, tensile strength Rm of the A1-A3 in the present invention is equal
At more than 35Mpa and apparently higher than the tensile strength of the B1-B3 food bag obtained by comparative example.It addition, according to the contraction in table 1
Rate δ data show, the shrinkage factor of the A1-A3 obtained by embodiment is respectively less than 2.5%, and the B1-B3 obtained by comparative example 1-3
Shrinkage factor has been up to 4.5% and has been all higher than 3.0%.
Thus illustrate, the present invention provide high intensity food bag preparation method in add starch, inserts and
Antioxidant has good synergism to the tensile property improving food bag.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple variant, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the preparation method of a high intensity food bag, it is characterised in that including: step one, carries out raw material mixing, heat treatment
Form mixture；Step 2, prepares plastic sheeting by described mixture extrusion molding；Step 3, processes described plastic sheeting
Become high intensity food bag；
Wherein, described raw material includes polyvinyl resin, Merlon, inserts, plasticizer, starch and antioxidant；Relative to
The polyvinyl resin of 100 weight portions, the consumption of described Merlon is 30-35 weight portion, and the consumption of described inserts is 10-25
Weight portion, the consumption of described plasticizer is 1-10 weight portion, and the consumption of described starch is 10-20 weight portion, described antioxidant
Consumption be 1-10 weight portion.
Preparation method the most according to claim 1, wherein, described inserts is in fiber, asbestos, brucite and graphite
Multiple.
Preparation method the most according to claim 2, wherein, described plasticizer is selected from dibutyl phthalate, adjacent benzene two
One or more in formic acid dioctyl ester and tricresyl phosphate.
Preparation method the most according to claim 3, wherein, described starch be green starch, tapioca, sweet potato starch,
Multiple in sweet potato starch, potato starch, wheat and barley starch, water caltrop starch and Rhizoma Nelumbinis starch, corn starch.
Preparation method the most according to claim 1, wherein, the weight average molecular weight of described polyvinyl resin is 30,000-5 ten thousand, institute
The weight average molecular weight stating Merlon is 20,000-4 ten thousand.
Preparation method the most according to claim 1, wherein, described antioxidant is sylvan or dimethyl phenol.
Preparation method the most according to claim 1, wherein, described mixing meets following condition: mixing temperature is 20-35
DEG C, incorporation time is 1-2.5h.
Preparation method the most according to claim 1, wherein, described heat treatment meets following condition: the temperature of heat treatment is
180-220 DEG C, the time of heat treatment is 4-6h.
9. according to the preparation method described in any one in claim 1-8, wherein, the temperature of described extrusion molding is 160-
190℃。
10. a high intensity food bag, it is characterised in that any one by claim 1-9 of described high intensity food bag
Method described in Xiang prepares.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444530.4A CN106117698A (en) | 2016-06-17 | 2016-06-17 | High intensity food bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610444530.4A CN106117698A (en) | 2016-06-17 | 2016-06-17 | High intensity food bag and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106117698A true CN106117698A (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610444530.4A Withdrawn CN106117698A (en) | 2016-06-17 | 2016-06-17 | High intensity food bag and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189298A (en) * | 2017-06-22 | 2017-09-22 | 芜湖蓝天工程塑胶有限公司 | Food to-go box and preparation method thereof |
| CN107828107A (en) * | 2017-10-24 | 2018-03-23 | 芜湖品度电子科技有限公司 | High intensity refuse bag and preparation method thereof |
| CN107841021A (en) * | 2017-11-15 | 2018-03-27 | 安徽悦尔伟塑料机械有限公司 | Paper-plastic stick plastic sheeting and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893262A (en) * | 2015-05-27 | 2015-09-09 | 铜陵方正塑业科技有限公司 | High-strength food bag and preparation method thereof |
| CN105330977A (en) * | 2015-12-03 | 2016-02-17 | 芜湖品通塑业科技有限公司 | High-strength plastic bag and preparation method thereof |
-
2016
- 2016-06-17 CN CN201610444530.4A patent/CN106117698A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104893262A (en) * | 2015-05-27 | 2015-09-09 | 铜陵方正塑业科技有限公司 | High-strength food bag and preparation method thereof |
| CN105330977A (en) * | 2015-12-03 | 2016-02-17 | 芜湖品通塑业科技有限公司 | High-strength plastic bag and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189298A (en) * | 2017-06-22 | 2017-09-22 | 芜湖蓝天工程塑胶有限公司 | Food to-go box and preparation method thereof |
| CN107828107A (en) * | 2017-10-24 | 2018-03-23 | 芜湖品度电子科技有限公司 | High intensity refuse bag and preparation method thereof |
| CN107841021A (en) * | 2017-11-15 | 2018-03-27 | 安徽悦尔伟塑料机械有限公司 | Paper-plastic stick plastic sheeting and preparation method thereof |
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Application publication date: 20161116 |