CN107936363A - A kind of preparation method for the plastic packaging bag of resistance to bacterium - Google Patents
A kind of preparation method for the plastic packaging bag of resistance to bacterium Download PDFInfo
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- CN107936363A CN107936363A CN201711416567.7A CN201711416567A CN107936363A CN 107936363 A CN107936363 A CN 107936363A CN 201711416567 A CN201711416567 A CN 201711416567A CN 107936363 A CN107936363 A CN 107936363A
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/08—Copolymers of ethene
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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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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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
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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Abstract
The invention discloses a kind of preparation method for the plastic packaging bag of resistance to bacterium, which is made of following component in parts by weight：55 65 parts of the dilute particle of linear low density polyethylene, 15 20 parts of ethylene vinyl acetate resin particle, 8 10 parts of Paris white, 8 10 parts of corn stalk fiber, 38 parts of complex antimicrobials, 5 10 parts of plasticizer, 25 parts of stabilizer, nanometer Au36(SCH3)240.5 1 parts of cluster；Preparation method includes the following steps：(1) dry feedstock；(2) melt；(3) it is modified；(4) blown film；(5) bag making；(6) edge sealing；(7) punching press.In the present invention plastic packaging bag of resistance to bacterium use linear low density polyethylene is dilute, ethylene vinyl acetate resin for base-material, add complex antimicrobials so that plastic packaging bag has good bacteriostasis property；Corn starch fibre and Paris white are with the addition of in the formula of the present invention, strengthens the tensile strength and toughness of plastic packaging bag；Preparation method of the invention is simple, practicality is good, and the resistance to bacterium effect of product is good.
Description
Technical field
The invention belongs to plastic packaging bag preparing technical field, and in particular, to a kind of preparation for the plastic packaging bag of resistance to bacterium
Method.
Background technology
Plastic shopping bag is the necessity in daily life, it is well known that present consumer and market have all been formed to modeling
Expect the hard requirement of packaging bag consumption, and this consumption has become a kind of custom, and plastic packaging bag has incorporated everybody life
In work.In daily life, plastic packaging bag has become the first choice of packing articles due to light-weight, easy to use.Developing
Middle country, since commercialization process causes store quantity to increase steadily, so as to drive the further numerous of plastic packaging bag industry
Honor, both show the correlation of height.Global plastic packaging bag industry totally shows the development trend of steady-state growth, You Shi
Swift and violent growth is still presented to the total demand of plastic packaging bag in developing country, so as to promote plastic packaging bag industry
Sustainable growth and prosperity.
Existing common polybag is all simply to be process, in use, due to contents and external rings
Border reason, it is easy to grow bacterium, be contaminated.Therefore, resistance to bacterium modeling can be lifted by improving fungus resistance and reducing the conditions such as cost
The use scope of material.
The content of the invention
For the deficiencies in the prior art in above-mentioned background technology, the present invention provides a kind of preparation for the plastic packaging bag of resistance to bacterium
Method, by adding antibacterial plastic concentrate to raw material in preparation process, it is possible to achieve suppress the bacteria breed of plastic packaging bag.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of preparation method for the plastic packaging bag of resistance to bacterium, it is characterised in that the plastic packaging bag is in parts by weight by following
Component forms：Dilute particle 55-65 parts of linear low density polyethylene, 15-20 parts of ethylene-vinyl acetate resin particle, Paris white
8-10 parts, 8-10 parts of corn stalk fiber, 3-8 parts of complex antimicrobials, 5-10 parts of plasticizer, 2-5 parts of stabilizer, nanometer Au36
(SCH3)240.5-1 parts of cluster；
Preparation method includes the following steps：
(1) dry feedstock：The dilute particle of linear low density polyethylene, ethylene-vinyl acetate resin particle are put into vacuum and done
It is dried in dry case；
(2) melt：The dilute particle of linear low density polyethylene, ethylene-vinyl acetate resin particle are put into high mixer, will
Temperature is slowly increased to 200-220 DEG C, and melt processed is carried out in being stirred continuously, and after being in molten condition to material, adds plasticizer
And stabilizer, 15-20min is stirred for, obtains molten mixture；
(3) it is modified：High mixer temperature is adjusted to 220-225 DEG C, corn stalk fiber, carbonic acid are added into molten mixture
Calcium powder, complex antimicrobials, nanometer Au36(SCH3)24Cluster, stirs 15-20min；
(4) blown film：Molten mixture in step (3) is added into inflation film manufacturing machine and carries out blown film, the plastics of melting are through blowing
Remove impurity after the filtering of film head to extrude from die orifice, after cooling treatment, plastic film is made, plastic film is removed quiet
Electric treatment；
(5) bag making：Plastic film is placed on the feed arrangement of Bag Making Machine, plastic film is cut；
(6) edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag body after cutting；
(7) punching press：Cutting die punch process is carried out to the bag body after edge sealing, goes out on bag body handle and carries hole, obtain resistance to bacterium
Plastic packaging bag.
The complex antimicrobials are that argentum-carried hydroxylapatite and nano zine oxide according to mass ratio are 1:0.6-1.2 mix and
Into.
The preparation process of the argentum-carried hydroxylapatite is：By 10-15 parts of hydroxyapatite powders in 120-140 DEG C of baking oven
Middle dry 5-6h is dispersed in 100-150mL n-hexanes, stirring makes n-hexane complete wetting hydroxyl phosphorus with removing the moisture of absorption
Lime stone powder, then 6-9 parts of 0.3mol/L silver nitrate aqueous solutions are slowly added dropwise respectively, 5-7h is stirred, is filtered, it is dry, at 350 DEG C
Roasting temperature 2h is made.
Vacuum tank drying temperature is 80-85 DEG C in the step (1), drying time 1.5-2h.
Blown film temperature is set as 220-240 DEG C in the step (4).
Hot blast temperature is 150-165 DEG C in the step (6).
Beneficial effects of the present invention：
In the present invention plastic packaging bag of resistance to bacterium use linear low density polyethylene is dilute, ethylene-vinyl acetate resin for base-material,
Add complex antimicrobials so that plastic packaging bag has good bacteriostasis property, it is possible to achieve suppress rubbish corruption, bacterium grows
It is raw；In addition, with the addition of corn starch fibre and Paris white in the formula of the present invention, the tensile strength of plastic packaging bag is strengthened
And toughness；Preparation method of the invention is simple, practicality is good, cost-effective reduction, and the resistance to bacterium effect of product is good.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, it is clear that described reality
It is only part of the embodiment of the present invention to apply example, instead of all the embodiments.Based on the embodiments of the present invention, this area is general
All other embodiment that logical technical staff is obtained without creative efforts, belongs to what the present invention protected
Scope.
A kind of preparation method for the plastic packaging bag of resistance to bacterium, the plastic packaging bag are made of following component in parts by weight：Line
55-65 parts of low-density polyethylene particle of property, 15-20 parts of ethylene-vinyl acetate resin particle, 8-10 parts of Paris white, corn
8-10 parts of stalk fibre, 3-8 parts of complex antimicrobials, 5-10 parts of plasticizer, 2-5 parts of stabilizer, nanometer Au36(SCH3)24Cluster
0.5-1 parts；
Complex antimicrobials are that argentum-carried hydroxylapatite and nano zine oxide according to mass ratio are 1:0.6-1.2 is mixed；
The preparation process of wherein argentum-carried hydroxylapatite is：By 10-15 parts of hydroxyapatite powders in 120-140 DEG C of baking oven
Middle dry 5-6h is dispersed in 100-150mL n-hexanes, stirring makes n-hexane complete wetting hydroxyl phosphorus with removing the moisture of absorption
Lime stone powder, then 6-9 parts of 0.3mol/L silver nitrate aqueous solutions are slowly added dropwise respectively, 5-7h is stirred, is filtered, it is dry, at 350 DEG C
Roasting temperature 2h is made；
The complex antimicrobials have the bacteriums such as staphylococcus aureus, Escherichia coli, pseudomonas aeruginosa, candida albicans
Good inhibition；
Nanometer Au36(SCH3)24Cluster is a kind of nano-sized materials of Aurum clusters, and micro addition being capable of reinforced plastics packaging
The toughness of bag；
A kind of preparation method for the plastic packaging bag of resistance to bacterium, includes the following steps：
(1) dry feedstock：The dilute particle of linear low density polyethylene, ethylene-vinyl acetate resin particle are put into vacuum and done
It is dried in dry case, vacuum tank drying temperature is 80-85 DEG C, drying time 1.5-2h；
(2) melt：The dilute particle of linear low density polyethylene, ethylene-vinyl acetate resin particle are put into high mixer, will
Temperature is slowly increased to 200-220 DEG C, and melt processed is carried out in being stirred continuously, and after being in molten condition to material, adds plasticizer
And stabilizer, 15-20min is stirred for, obtains molten mixture；
(3) it is modified：High mixer temperature is adjusted to 220-225 DEG C, corn stalk fiber, carbonic acid are added into molten mixture
Calcium powder, complex antimicrobials, nanometer Au36(SCH3)24Cluster, stirs 15-20min；
(4) blown film：Molten mixture in step (3) is added into inflation film manufacturing machine and carries out blown film, blown film temperature is set as
220-240 DEG C, the plastics of melting remove impurity after blown-film die filters and are extruded from die orifice, and after cooling treatment, plastics are made
Film, electrostatic treatment is removed to plastic film；
(5) bag making：Plastic film is placed on the feed arrangement of Bag Making Machine, plastic film is cut；
(6) edge sealing：Bottom and both sides to the bag body after cutting carry out heat-sealing edge sealing, hot blast temperature 150-165 respectively
℃；
(7) punching press：Cutting die punch process is carried out to the bag body after edge sealing, goes out on bag body handle and carries hole, obtain resistance to bacterium
Plastic packaging bag.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (6)
1. a kind of preparation method for the plastic packaging bag of resistance to bacterium, it is characterised in that the plastic packaging bag is in parts by weight by following group
It is grouped into：Dilute particle 55-65 parts of linear low density polyethylene, 15-20 parts of ethylene-vinyl acetate resin particle, Paris white 8-
10 parts, 8-10 parts of corn stalk fiber, 3-8 parts of complex antimicrobials, 5-10 parts of plasticizer, 2-5 parts of stabilizer, nanometer Au36
(SCH3)240.5-1 parts of cluster；
The preparation method includes the following steps：
(1) dry feedstock：The dilute particle of linear low density polyethylene, ethylene-vinyl acetate resin particle are put into vacuum drying chamber
Inside it is dried；
(2) melt：The dilute particle of linear low density polyethylene, ethylene-vinyl acetate resin particle are put into high mixer, by temperature
200-220 DEG C is slowly increased to, melt processed is carried out in being stirred continuously, after being in molten condition to material, adds plasticizer and steady
Determine agent, be stirred for 15-20mi n, obtain molten mixture；
(3) it is modified：High mixer temperature is adjusted to 220-225 DEG C, corn stalk fiber, calcium carbonate are added into molten mixture
Powder, complex antimicrobials, nanometer Au36(SCH3)24Cluster, stirring 15-20mi n；
(4) blown film：Molten mixture in step (3) is added into inflation film manufacturing machine and carries out blown film, the plastics of melting are through inflation film manufacturing machine
Remove impurity after head filtering to extrude from die orifice, after cooling treatment, plastic film is made, plastic film is removed at electrostatic
Reason；
(5) bag making：Plastic film is placed on the feed arrangement of Bag Making Machine, plastic film is cut；
(6) edge sealing：Heat-sealing edge sealing is carried out respectively to the bottom and both sides of the bag body after cutting；
(7) punching press：Cutting die punch process is carried out to the bag body after edge sealing, goes out on bag body handle and carries hole, obtain the plastics of resistance to bacterium
Packaging bag.
A kind of 2. preparation method of plastic packaging bag of resistance to bacterium according to claim 1, it is characterised in that the composite antibacterial
Agent is that argentum-carried hydroxylapatite and nano zine oxide according to mass ratio are 1:0.6-1.2 is mixed.
3. the preparation method of a kind of plastic packaging bag of resistance to bacterium according to claim 2, it is characterised in that described to carry silver-colored hydroxyl
The preparation process of apatite is：By 10-15 parts of hydroxyapatite powders, dry 5-6h is adsorbed with removing in 120-140 DEG C of baking oven
Moisture, be dispersed in 100-150mL n-hexanes, stirring makes n-hexane complete wetting hydroxyapatite powder, then slow respectively
6-9 parts of 0.3mo l/L silver nitrate aqueous solutions are added dropwise, stir 5-7h, filter, it is dry, it is made in 350 DEG C of roasting temperature 2h.
A kind of 4. preparation method of plastic packaging bag of resistance to bacterium according to claim 1, it is characterised in that the step (1)
Middle vacuum tank drying temperature is 80-85 DEG C, drying time 1.5-2h.
A kind of 5. preparation method of plastic packaging bag of resistance to bacterium according to claim 1, it is characterised in that the step (4)
Middle blown film temperature is set as 220-240 DEG C.
A kind of 6. preparation method of plastic packaging bag of resistance to bacterium according to claim 1, it is characterised in that the step (6)
Middle hot blast temperature is 150-165 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711416567.7A CN107936363A (en) | 2017-12-25 | 2017-12-25 | A kind of preparation method for the plastic packaging bag of resistance to bacterium |
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| CN201711416567.7A CN107936363A (en) | 2017-12-25 | 2017-12-25 | A kind of preparation method for the plastic packaging bag of resistance to bacterium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233060A (en) * | 2018-09-18 | 2019-01-18 | 苏州起亚塑业有限公司 | A kind of highstrenghtpiston's packaging bag |
| CN109291455A (en) * | 2018-11-13 | 2019-02-01 | 安徽松泰包装材料有限公司 | A kind of production technology of long-acting bacteriostatic feedbag |
| CN113442421A (en) * | 2021-07-08 | 2021-09-28 | 上海丹麒包装材料有限公司 | Plastic bag processing and producing method |
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| US4717742A (en) * | 1985-05-29 | 1988-01-05 | Beshay Alphons D | Reinforced polymer composites with wood fibers grafted with silanes - grafting of celluloses or lignocelluloses with silanes to reinforce the polymer composites |
| CN104725709A (en) * | 2015-04-14 | 2015-06-24 | 苏州靖羽新材料有限公司 | Degradable fresh-keeping packaging material for vegetables and fruits and method for manufacturing degradable fresh-keeping packaging material |
| CN105924764A (en) * | 2016-06-29 | 2016-09-07 | 安徽徽隆包装有限公司 | Method for manufacturing degradable plastic packaging bags |
| CN106956442A (en) * | 2017-03-30 | 2017-07-18 | 盐城宏德塑业有限公司 | A kind of production technology of plastic packaging bag |
-
2017
- 2017-12-25 CN CN201711416567.7A patent/CN107936363A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4717742A (en) * | 1985-05-29 | 1988-01-05 | Beshay Alphons D | Reinforced polymer composites with wood fibers grafted with silanes - grafting of celluloses or lignocelluloses with silanes to reinforce the polymer composites |
| CN104725709A (en) * | 2015-04-14 | 2015-06-24 | 苏州靖羽新材料有限公司 | Degradable fresh-keeping packaging material for vegetables and fruits and method for manufacturing degradable fresh-keeping packaging material |
| CN105924764A (en) * | 2016-06-29 | 2016-09-07 | 安徽徽隆包装有限公司 | Method for manufacturing degradable plastic packaging bags |
| CN106956442A (en) * | 2017-03-30 | 2017-07-18 | 盐城宏德塑业有限公司 | A kind of production technology of plastic packaging bag |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233060A (en) * | 2018-09-18 | 2019-01-18 | 苏州起亚塑业有限公司 | A kind of highstrenghtpiston's packaging bag |
| CN109291455A (en) * | 2018-11-13 | 2019-02-01 | 安徽松泰包装材料有限公司 | A kind of production technology of long-acting bacteriostatic feedbag |
| CN113442421A (en) * | 2021-07-08 | 2021-09-28 | 上海丹麒包装材料有限公司 | Plastic bag processing and producing method |
| CN113442421B (en) * | 2021-07-08 | 2022-12-13 | 上海丹麒包装材料有限公司 | Plastic bag processing and producing method |
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