CN106566045A - Packaging bag and preparation method thereof - Google Patents
Packaging bag and preparation method thereof Download PDFInfo
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- CN106566045A CN106566045A CN201610922401.1A CN201610922401A CN106566045A CN 106566045 A CN106566045 A CN 106566045A CN 201610922401 A CN201610922401 A CN 201610922401A CN 106566045 A CN106566045 A CN 106566045A
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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
- 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
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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
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2312/00—Crosslinking
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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)
- Wrappers (AREA)
- Packages (AREA)
- Bag Frames (AREA)
Abstract
The invention discloses a packaging bag and a preparation method thereof. A raw material of the packaging bag is obtained by taking polyethylene and polypropylene as main raw materials and adding a reasonable material through fusion compounding. The problem that all the existing packaging bag materials are thermoplastic resin can be solved. The packaging bag prepared by the invention has excellent extensibility, and also has good damage-resistant and heat-resistant properties; furthermore, compared with the existing packaging bag, the packaging bag has relatively high perforation resistance, and is applied to application of fragile and easily folding objects; and thus, industrial application is easily carried out.
Description
Technical field
The invention belongs to technical field of macromolecules, and in particular to a kind of packaging bag and preparation method thereof.
Background technology
In traditional deployment method of four side packaging bags, a breach is set generally on sealing, then from as
The beginning indentation, there in portion tears the sack, then takes out content from the opening portion for tearing sack.However, there are problems that such
It is, when the content is the object or flat articles that are easily deformed, when sack is transported, content to be destroyed.And it is existing
Packaging bag major part is prepared by thermoplastic resin, and its good toughness causes not easily openable.
The content of the invention
It is an object of the invention to provide a kind of packaging bag and preparation method thereof, with excellent puncture resistance and good easy
Tearing property.
To achieve the above object of the invention, the technical solution used in the present invention is：
A kind of preparation method of packaging bag, comprises the following steps：
(1) polystyrene microsphere is dispersed in deionized water, stirring adds propilolic alcohol after 10～15 minutes；Then stir
30～40 minutes, sodium bicarbonate is added to adjust pH value to 8.5；Tetraethoxysilane is subsequently adding, is stirred 20～30 minutes, Ran Houjia
Enter 3- aminopropyl triethoxysilanes, stir 10～20 minutes, be subsequently added into zinc citrate；50～55 DEG C are stirred 70～80 points
Clock；Then filter, be washed with deionized again after filter cake washing with acetone and obtain solidss；Solidss are obtained after heat treatment
Powder；Technology for Heating Processing is+850 DEG C/0.5 hour+500 DEG C/0.5 hour 300 DEG C/1 hour；
(2) bisphenol A cyanate ester monomer is added in reactor, 90～95 DEG C are reacted 10～12 minutes, add 2- third
Acrylamide base -2- methyl propane sulfonic acids, are warming up to 120～125 DEG C, add NPE and australene, and reaction 30～
35 minutes, natural cooling prepared epoxy prepolymer；At 0～5 DEG C, mix with the powder of step (1) after epoxy prepolymer is crushed,
Obtain reactive powder；
(3) by polyethylene, polypropylene, maleic anhydride, methine succinic acid mix homogeneously, Jing screw rods melting extrusion processing,
Prepare olefin particles；Then olefin particles are mixed homogeneously with dimethyl tin oxide, reactive powder, obtains alkene combination
Thing, then prepare packaging bag.
In above-mentioned technical proposal, in step (1), polystyrene microsphere, deionized water, propilolic alcohol, tetraethoxysilane, 3-
Aminopropyl triethoxysilane, the mass ratio of zinc citrate are 1: 16: 8: 0.82: 0.62: 0.22.The present invention is by polymerization, burning
The technique of knot prepares inorganic powder, about 50 nanometers of particle diameter, narrowly distributing, while having loose structure, especially, pore lining
There is zinc element, be conducive to the interfacial reaction of melt stage Organic substance and inorganic matters, increase the stability of organic-inorganic system.
In above-mentioned technical proposal, in step (2), bisphenol A cyanate ester monomer, 2- acrylamide-2-methylpro panesulfonic acids,
NPE, the mass ratio of australene are 1: 5: 8: 0.8；Epoxy prepolymer, the mass ratio of powder are 1: 0.4.Cyanogen
Acid esters has excellent performance, but processability is mismatched with alkene, and there is implode hidden danger, and existing method of modifying is unfavorable for
Cyanate is compound with alkene, cannot especially improve its processability, and the epoxy prepolymer that the present invention is obtained not only has activated cyanogen
Perester radical, and polycyanate ester segment and epoxy segment are combined, while connecting ethylene linkage, the epoxy prepolymer for obtaining and polyethylene
Deng with approximate processability, it is ensured that the concordance of W-response, while being combined beneficial to thermosetting plastics' resin, especially
It is in cold conditions, solid epoxidic performed polymer to be mixed with voluminous powder, such as ball milling mixing, obtains reactive powder, epoxy is pre-
Some adsorb on powder surface aggressiveness, and some are adsorbed in powder hole, when with olefin, under heating condition, be increased many
The reaction effect of boundary, the packaging bag to obtain excellent properties provides good material foundation.
In above-mentioned technical proposal, in step (3), polyethylene, polypropylene, maleic anhydride, the mass ratio of methine succinic acid
For 10: 1: 0.6: 0.05；Olefin particles, dimethyl tin oxide, the mass ratio of reactive powder are 100: 5: 15.The present invention makes first
Standby modified olefin, it is ensured that the performance uniformity of main material alkene, is then combined, in stannum with the reactive powder with Modified Polymer
Under promotion, modifying agent is crosslinked for alkene is formed, and its thermostability, puncture resistance is greatly improved, while obtaining good stretching
Malleability and anti-flammability.
Because above-mentioned technical proposal is used, the present invention has compared with prior art following advantages：
(1) present invention is adopted with polyethylene, polypropylene as primary raw material, and by adding rational material, melting is combined
To packaging bag raw material, solve the problems, such as that existing bag material is all thermoplastic resin.
(2) packaging bag prepared by the present invention has outstanding extensibility, with more resist damage and heat-resisting good performance, and
And also than existing packaging bag with higher puncture resistance, it is adapted to the application of the object of frangible and foldable；Should beneficial to industrialization
With.
Specific embodiment
With reference to embodiment, the invention will be further described：
Performance characterization：
Label adhesive strength：Label is bonded to the packaging bag surface with product, and accordingly carries out peel strength measurement
(g/15)。
Puncture resistance：50 packaging bags are used for the transport test for freezing at -20 DEG C, evaluate damaged number.
Thermostability：DSC tests glass transition temperature.
A kind of preparation method of the packaging bag of embodiment one, comprises the following steps：
(1) polystyrene microsphere is dispersed in deionized water, stirring adds propilolic alcohol after 10 minutes；Then 30 points are stirred
Clock, adds sodium bicarbonate to adjust pH value to 8.5；Tetraethoxysilane is subsequently adding, is stirred 20 minutes, be subsequently adding 3- aminopropyls three
Ethoxysilane, stirs 10 minutes, is subsequently added into zinc citrate；50 DEG C are stirred 70 minutes；Then filter, filter cake washing with acetone
It is washed with deionized again afterwards and obtains solidss；Solidss obtain powder after heat treatment；Technology for Heating Processing is 300 DEG C/1 little
When+850 DEG C/0.5 hour+500 DEG C/0.5 hour；Polystyrene microsphere, deionized water, propilolic alcohol, tetraethoxysilane, 3- ammonia
Propyl-triethoxysilicane, the mass ratio of zinc citrate are 1: 16: 8: 0.82: 0.62: 0.22；
(2) bisphenol A cyanate ester monomer is added in reactor, 90 DEG C are reacted 10 minutes, addition 2- acrylamidos-
2- methyl propane sulfonic acids, are warming up to 120 DEG C, add NPE and australene, react 30 minutes, prepared by natural cooling
Epoxy prepolymer；At 0 DEG C, mix with the powder of step (1) after epoxy prepolymer is crushed, obtain reactive powder；Bisphenol A-type cyanogen
Acid ester monomer, 2- acrylamide-2-methylpro panesulfonic acids, NPE, the mass ratio of australene are 1: 5:
8.0.8；Epoxy prepolymer, the mass ratio of powder are 1: 0.4；
(3) by polyethylene, polypropylene, maleic anhydride, methine succinic acid mix homogeneously, Jing screw rods melting extrusion processing,
Prepare olefin particles；Then olefin particles are mixed homogeneously with dimethyl tin oxide, reactive powder, obtains alkene combination
Thing, then be blow molded and prepare packaging bag；Polyethylene, polypropylene, maleic anhydride, the mass ratio of methine succinic acid are 10: 1: 0.6
∶0.05；Olefin particles, dimethyl tin oxide, the mass ratio of reactive powder are 100: 5；15；The reaction of screw rod melting extrusion processing
Extrusion temperature is 180～200 DEG C, and screw speed is controlled to 110 revs/min, and the time of staying of the material in screw rod is 5 clocks.
Above-mentioned preparation packaging bag glass transition temperature is 129, and oxygen index (OI) is 29, and label adhesive strength is 620, number of boring a hole
0。
A kind of preparation method of the packaging bag of embodiment two, comprises the following steps：
(1) polystyrene microsphere is dispersed in deionized water, stirring adds propilolic alcohol after 15 minutes；Then 40 points are stirred
Clock, adds sodium bicarbonate to adjust pH value to 8.5；Tetraethoxysilane is subsequently adding, is stirred 30 minutes, be subsequently adding 3- aminopropyls three
Ethoxysilane, stirs 20 minutes, is subsequently added into zinc citrate；55 DEG C are stirred 80 minutes；Then filter, filter cake washing with acetone
It is washed with deionized again afterwards and obtains solidss；Solidss obtain powder after heat treatment；Technology for Heating Processing is 300 DEG C/1 little
When+850 DEG C/0.5 hour+500 DEG C/0.5 hour；Polystyrene microsphere, deionized water, propilolic alcohol, tetraethoxysilane, 3- ammonia
Propyl-triethoxysilicane, the mass ratio of zinc citrate are 1: 16: 8: 0.82: 0.62: 0.22；
(2) bisphenol A cyanate ester monomer is added in reactor, 95 DEG C are reacted 12 minutes, addition 2- acrylamidos-
2- methyl propane sulfonic acids, are warming up to 125 DEG C, add NPE and australene, react 35 minutes, prepared by natural cooling
Epoxy prepolymer；At 5 DEG C, mix with the powder of step (1) after epoxy prepolymer is crushed, obtain reactive powder；Bisphenol A-type cyanogen
Acid ester monomer, 2- acrylamide-2-methylpro panesulfonic acids, NPE, the mass ratio of australene are 1: 5: 8:
0.8；Epoxy prepolymer, the mass ratio of powder are 1: 0.4；
(3) by polyethylene, polypropylene, maleic anhydride, methine succinic acid mix homogeneously, Jing screw rods melting extrusion processing,
Prepare olefin particles；Then olefin particles are mixed homogeneously with dimethyl tin oxide, reactive powder, obtains alkene combination
Thing, then be blow molded and prepare packaging bag；Polyethylene, polypropylene, maleic anhydride, the mass ratio of methine succinic acid are 10: 1: 0.6
∶0.05；Olefin particles, dimethyl tin oxide, the mass ratio of reactive powder are 100: 5: 15；The reaction of screw rod melting extrusion processing
Extrusion temperature is 180～200 DEG C, and screw speed is controlled to 115 revs/min, and the time of staying of the material in screw rod is 6 minutes.
Above-mentioned preparation packaging bag glass transition temperature is 130, and oxygen index (OI) is 29, and label adhesive strength is 615, number of boring a hole
0。
A kind of preparation method of the packaging bag of embodiment three, comprises the following steps：
(1) polystyrene microsphere is dispersed in deionized water, stirring adds propilolic alcohol after 10 minutes；Then 40 points are stirred
Clock, adds sodium bicarbonate to adjust pH value to 8.5；Tetraethoxysilane is subsequently adding, is stirred 30 minutes, be subsequently adding 3- aminopropyls three
Ethoxysilane, stirs 10 minutes, is subsequently added into zinc citrate；55 DEG C are stirred 70 minutes；Then filter, filter cake washing with acetone
It is washed with deionized again afterwards and obtains solidss；Solidss obtain powder after heat treatment；Technology for Heating Processing is 300 DEG C/1 little
When+850 DEG C/0.5 hour+500 DEG C/0.5 hour；Polystyrene microsphere, deionized water, propilolic alcohol, tetraethoxysilane, 3- ammonia
Propyl-triethoxysilicane, the mass ratio of zinc citrate are 1: 16: 8: 0.82: 0.62: 0.22；
(2) bisphenol A cyanate ester monomer is added in reactor, 95 DEG C are reacted 10 minutes, addition 2- acrylamidos-
2- methyl propane sulfonic acids, are warming up to 125 DEG C, add NPE and australene, react 30 minutes, prepared by natural cooling
Epoxy prepolymer；At 5 DEG C, mix with the powder of step (1) after epoxy prepolymer is crushed, obtain reactive powder；Bisphenol A-type cyanogen
Acid ester monomer, 2- acrylamide-2-methylpro panesulfonic acids, NPE, the mass ratio of australene are 1: 5: 8:
0.8；Epoxy prepolymer, the mass ratio of powder are 1: 0.4；
(3) by polyethylene, polypropylene, maleic anhydride, methine succinic acid mix homogeneously, Jing screw rods melting extrusion processing,
Prepare olefin particles；Then olefin particles are mixed homogeneously with dimethyl tin oxide, reactive powder, obtains alkene combination
Thing, then be blow molded and prepare packaging bag；Polyethylene, polypropylene, maleic anhydride, the mass ratio of methine succinic acid are 10: 1: 0.6
∶0.05；Olefin particles, dimethyl tin oxide, the mass ratio of reactive powder are 100: 5: 15；The reaction of screw rod melting extrusion processing
Extrusion temperature is 180～200 DEG C, and screw speed is controlled to 110 revs/min, and the time of staying of the material in screw rod is 6 minutes.
Above-mentioned preparation packaging bag glass transition temperature is 127, and oxygen index (OI) is 29, and label adhesive strength is 611, number of boring a hole
0。
A kind of preparation method of packaging bag of example IV, comprises the following steps：
(1) polystyrene microsphere is dispersed in deionized water, stirring adds propilolic alcohol after 12 minutes；Then 35 points are stirred
Clock, adds sodium bicarbonate to adjust pH value to 8.5；Tetraethoxysilane is subsequently adding, is stirred 28 minutes, be subsequently adding 3- aminopropyls three
Ethoxysilane, stirs 16 minutes, is subsequently added into zinc citrate；53 DEG C are stirred 75 minutes；Then filter, filter cake washing with acetone
It is washed with deionized again afterwards and obtains solidss；Solidss obtain powder after heat treatment；Technology for Heating Processing is 300 DEG C/1 little
When+850 DEG C/0.5 hour+500 DEG C/0.5 hour；Polystyrene microsphere, deionized water, propilolic alcohol, tetraethoxysilane, 3- ammonia
Propyl-triethoxysilicane, the mass ratio of zinc citrate are 1: 16: 8: 0.82: 0.62: 0.22；
(2) bisphenol A cyanate ester monomer is added in reactor, 92 DEG C are reacted 11 minutes, addition 2- acrylamidos-
2- methyl propane sulfonic acids, are warming up to 120 DEG C, add NPE and australene, react 35 minutes, prepared by natural cooling
Epoxy prepolymer；At 3 DEG C, mix with the powder of step (1) after epoxy prepolymer is crushed, obtain reactive powder；Bisphenol A-type cyanogen
Acid ester monomer, 2- acrylamide-2-methylpro panesulfonic acids, NPE, the mass ratio of australene are 1: 5: 8:
0.8；Epoxy prepolymer, the mass ratio of powder are 1: 0.4；
(3) by polyethylene, polypropylene, maleic anhydride, methine succinic acid mix homogeneously, Jing screw rods melting extrusion processing,
Prepare olefin particles；Then olefin particles are mixed homogeneously with dimethyl tin oxide, reactive powder, obtains alkene combination
Thing, then be blow molded and prepare packaging bag；Polyethylene, polypropylene, maleic anhydride, the mass ratio of methine succinic acid are 10: 1: 0.6
∶0.05；Olefin particles, dimethyl tin oxide, the mass ratio of reactive powder are 100: 5: 15；The reaction of screw rod melting extrusion processing
Extrusion temperature is 180～200 DEG C, and screw speed is controlled to 110 revs/min, and the time of staying of the material in screw rod is 6 minutes.
Above-mentioned preparation packaging bag glass transition temperature is 132, and oxygen index (OI) is 29, and label adhesive strength is 625, number of boring a hole
0。
Claims (6)
1. a kind of preparation method of packaging bag, comprises the following steps：
(1) polystyrene microsphere is dispersed in deionized water, stirring adds propilolic alcohol after 10～15 minutes；Then stirring 30～
40 minutes, sodium bicarbonate is added to adjust pH value to 8.5；Tetraethoxysilane is subsequently adding, is stirred 20～30 minutes, be subsequently adding 3-
Aminopropyl triethoxysilane, stirs 10～20 minutes, is subsequently added into zinc citrate；50～55 DEG C are stirred 70～80 minutes；So
After filter, be washed with deionized again after filter cake washing with acetone and obtain solidss；Solidss obtain powder after heat treatment；
Technology for Heating Processing is+850 DEG C/0.5 hour+500 DEG C/0.5 hour 300 DEG C/1 hour；
(2) bisphenol A cyanate ester monomer is added in reactor, 90～95 DEG C are reacted 10～12 minutes, add 2- acryloyls
Amido -2- methyl propane sulfonic acids, are warming up to 120～125 DEG C, add NPE and australene, react 30～35 points
Clock, natural cooling prepares epoxy prepolymer；At 0～5 DEG C, mix with the powder of step (1) after epoxy prepolymer is crushed, obtain
Reactive powder；
(3) by polyethylene, polypropylene, maleic anhydride, methine succinic acid mix homogeneously, prepared by Jing screw rods melting extrusion processing
Obtain olefin particles；Then olefin particles are mixed homogeneously with dimethyl tin oxide, reactive powder, obtains compositions of olefines, then
Prepare packaging bag.
2. the preparation method of packaging bag according to claim 1, it is characterised in that：In step (1), polystyrene microsphere, go
Ionized water, propilolic alcohol, tetraethoxysilane, 3- aminopropyl triethoxysilanes, the mass ratio of zinc citrate are 1: 16: 8: 0.82
∶0.62∶0.22。
3. the preparation method of packaging bag according to claim 1, it is characterised in that：In step (2), bisphenol A cyanate ester list
Body, 2- acrylamide-2-methylpro panesulfonic acids, NPE, the mass ratio of australene are 1: 5: 8: 0.8；Epoxy
Performed polymer, the mass ratio of powder are 1: 0.4.
4. the preparation method of packaging bag according to claim 1, it is characterised in that：In step (3), polyethylene, polypropylene, horse
Carry out anhydride, the mass ratio of methine succinic acid is 10: 1: 0.6: 0.05；Olefin particles, dimethyl tin oxide, the matter of reactive powder
Amount is than being 100: 5: 15.
5. the preparation method of packaging bag according to claim 1, it is characterised in that：In step (3), screw rod melting extrusion processing
Reactive extrursion temperature be 180～200 DEG C, screw speed is controlled to 110～115 revs/min, the time of staying of the material in screw rod
For 5～6 minutes.
6. the packaging bag that prepared by the preparation method of packaging bag described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610922401.1A CN106566045A (en) | 2016-10-17 | 2016-10-17 | Packaging bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610922401.1A CN106566045A (en) | 2016-10-17 | 2016-10-17 | Packaging bag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106566045A true CN106566045A (en) | 2017-04-19 |
Family
ID=60414276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610922401.1A Pending CN106566045A (en) | 2016-10-17 | 2016-10-17 | Packaging bag and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019226797A1 (en) * | 2018-05-22 | 2019-11-28 | Dow Global Technologies Llc | Resin having a catalyst for reactive adhesion to a polyester |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660329A (en) * | 2012-08-29 | 2014-03-26 | 优泊公司 | Plastic container with in-mould label and manufacturing method thereof |
-
2016
- 2016-10-17 CN CN201610922401.1A patent/CN106566045A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660329A (en) * | 2012-08-29 | 2014-03-26 | 优泊公司 | Plastic container with in-mould label and manufacturing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019226797A1 (en) * | 2018-05-22 | 2019-11-28 | Dow Global Technologies Llc | Resin having a catalyst for reactive adhesion to a polyester |
| CN112154186A (en) * | 2018-05-22 | 2020-12-29 | 陶氏环球技术有限责任公司 | Resins with catalysts for reactive adhesion to polyesters |
| JP2021525291A (en) * | 2018-05-22 | 2021-09-24 | ダウ グローバル テクノロジーズ エルエルシー | Resin with catalyst for reactive adhesion to polyester |
| US11945945B2 (en) | 2018-05-22 | 2024-04-02 | Dow Global Technologies Llc | Resin having a catalyst for reactive adhesion to a polyester |
| CN112154186B (en) * | 2018-05-22 | 2024-07-23 | 陶氏环球技术有限责任公司 | Resins with catalysts that are reactively adherent to polyesters |
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