CN107955250A - PE liquid packaging films and preparation method thereof - Google Patents
PE liquid packaging films and preparation method thereof Download PDFInfo
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- CN107955250A CN107955250A CN201711248646.1A CN201711248646A CN107955250A CN 107955250 A CN107955250 A CN 107955250A CN 201711248646 A CN201711248646 A CN 201711248646A CN 107955250 A CN107955250 A CN 107955250A
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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
-
- 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
- C08J2323/06—Polyethene
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- 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
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
- C08K5/57—Organo-tin compounds
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Packages (AREA)
- Wrappers (AREA)
Abstract
The invention discloses a kind of PE liquid packaging films and preparation method thereof, the PE liquid packaging films are prepared by the raw material of following weight parts:35 45 parts of LLDPE, 95 105 parts of LDPE, 15 parts of calcium carbonate, 13 parts of 2,6 di-t-butyl, 4 methylphenol, 24 parts of EVA, 0.2 2 parts of stabilizer, 0.1 1 parts of inorganic antiseptic.A kind of PE liquid packaging films of the present invention, by reasonably matching, preferably go out suitable stabilizer and inorganic antiseptic so that the present invention has excellent comprehensive performance, and intensity is high, anti-microbial property is excellent, has a wide range of application.
Description
Technical field
The present invention relates to a kind of packaging film, more particularly to a kind of PE liquid packaging films and preparation method thereof.
Background technology
Packaging film is mainly formed by several different resin mixing extrusions, has puncture resistant, super-strength high-performance, to stacking
Cargo on supporting plate is wound packaging, makes packing material more firm clean and tidy, more superpower waterproof action.
Packaging film using shrink-wrap the advantages of be:1st, it is adapted to and packs variously-shaped commodity, increase product appearance is inhaled
Gravitation;2nd, film can be close to commodity, have the transparency, good appearance, is cleaned beautiful;3rd, packaged commodity have health
Property, keeping a public place clean property, pack, it is dust-proof resistance it is wet;4th, shrink-wrap with good shockproof hitting property, protecting against shock and good
Protective value;5th, packaged commodity have compactness and stationarity, and widget will not be dilapidated in packaging;6th, thermal contraction
Film can also be used for replacing all kinds of cartons, especially in terms of the combined type of anomalistic object article or commodity (boundling) packaging, no
But packing cost is saved, and meets packaging trend.
Commercially shared share is increasing for plastics package and plastic packet product, particularly composite plastic Soft Roll
Dress, has been widely used for the fields such as food, medicine, chemical industry, wherein it is again maximum with packaging for foodstuff proportion, such as beverage
Packaging, quick-frozen food packaging, cooking food packaging, fast food packaging etc., these products are all brought greatly to people's life
Facility.
The present invention provides a kind of PE liquid packaging films, excellent combination property.
The content of the invention
For above-mentioned deficiency existing in the prior art, the technical problems to be solved by the invention are to provide a kind of PE liquid
Packaging film and preparation method thereof.
The present invention seeks to what is be achieved through the following technical solutions:
A kind of PE liquid packaging films, are prepared by the raw material of following weight parts:
35-45 parts of LLDPE, 95-105 parts of LDPE, 1-5 parts of calcium carbonate, 1-3 parts of 2,6 di tert butyl 4 methyl phenol,
2-4 parts of EVA, 0.2-2 parts of stabilizer, 0.1-1 parts of inorganic antiseptic.
Preferably, the stabilizer is Bis(lauroyloxy)dioctyltin, maleate tin octylate, two (iso-octyl Malaysias
Acid) mixture one or more in dibutyl tin.
It is highly preferred that the stabilizer is by Bis(lauroyloxy)dioctyltin, maleate tin octylate, two (iso-octyl horses
Coming sour) dibutyl tin mixes, the Bis(lauroyloxy)dioctyltin, maleate tin octylate, two (iso-octyl maleic acids)
The mass ratio of dibutyl tin is (1-3):(1-3):(1-3).
Preferably, the inorganic antiseptic is mixtures one or more in magnesium aluminate, magnesium titanate, magnesium tungstate.
It is highly preferred that the inorganic antiseptic is mixed by magnesium aluminate, magnesium titanate, magnesium tungstate, the magnesium aluminate, titanium
Sour magnesium, the mass ratio of magnesium tungstate are (1-3):(1-3):(1-3).
The present invention also provides the preparation method of above-mentioned PE liquid packaging films, comprise the following steps:
(1) by LLDPE, LDPE, calcium carbonate, 2,6 di tert butyl 4 methyl phenol, EVA, stabilizer, inorganic antiseptic
Add in mixing and blending machine, using rotating speed as 400-800 revs/min, be uniformly mixed 5-15min, obtain mixture;
(2) mixture is subjected to extruder grain, fashion of extrusion is twin-screw extruder, and temperature is 5 stages during extruding:First
Phase temperature is 165-185 DEG C, and second stage temperature is 175-195 DEG C, and phase III temperature is 185-205 DEG C, fourth stage
Temperature is 205-225 DEG C, and the 5th phase temperature is 210-230 DEG C, is granulated after extruding, obtains master batch;
(3) extruded after the master batch that granulation obtains is plasticized with inflation film manufacturing machine, feeding temperature is 100-120 when being extruded after plasticizing
DEG C, compression plasticization temperature is 120-140 DEG C, and head temperature is 175-195 DEG C;
(4) material that step (3) obtains is carried out traction becomes film, blow-up ratio 1:4, draw ratio 1:6;
(5) draw postcooling to room temperature, to obtain the final product.
A kind of PE liquid packaging films of the present invention, by reasonably matching, preferably go out suitable stabilizer and inorganic anti-
Microbial inoculum so that the present invention has excellent comprehensive performance, and intensity is high, anti-microbial property is excellent, has a wide range of application.
Embodiment
With reference to embodiment, the present invention is described further, as described below, is only that the preferable of the present invention is implemented
Example, not limits the present invention, any person skilled in the art is possibly also with the disclosure above
Technology contents be changed to the equivalent embodiment changed on an equal basis.It is every of the invention without departing from the present invention program content, foundation
Technical spirit any simple modification that following embodiments are made or equivalent variations, all fall within protection scope of the present invention.
Each raw material introduction in embodiment:
LDPE, uses LDPE of the trade mark that grand celebration branch company of PetroChina Company Ltd. provides for 18D0.
Calcium carbonate, No. CAS:471-34-1, the specific 2500 mesh lightweight carbon provided using Changxing Qun Fenggai industry Co., Ltd
Sour calcium.
2,6- di-tert-butyl-4-methy phenols, No. CAS:128-37-0.
EVA, use du pont company provide the trade mark for 150 EVA.
LLDPE, uses the trade mark that Dushanxi Branch, China Petroleum and Natural Gas Corp., Ltd. provides as DFDA-7042
LLDPE.
Maleate tin octylate, No. CAS:16091-18-2.
Two (iso-octyl maleic acid) dibutyl tins, No. CAS:25168-21-2.
Bis(lauroyloxy)dioctyltin, No. CAS:3648-18-8.
Magnesium titanate, No. CAS:12032-35-8,5 μm of particle diameter.
Magnesium tungstate, No. CAS:13573-11-0,5 μm of particle diameter.
Magnesium aluminate, No. CAS:12068-51-8,5 μm of particle diameter.
Embodiment 1
PE flexible package punch film raw material (parts by weight):40 parts of LLDPE, 100 parts of LDPE, 3 parts of calcium carbonate, bis- tertiary fourths of 2,6-
2 parts of base -4- methylphenols, 3 parts of EVA, 1.2 parts of stabilizer, 0.15 part of inorganic antiseptic.
The stabilizer is by Bis(lauroyloxy)dioctyltin, maleate tin octylate, two (iso-octyl maleic acid) two fourths
Ji Xi is 1 in mass ratio:1:1 is uniformly mixed to obtain.
The inorganic antiseptic is 1 in mass ratio by magnesium aluminate, magnesium titanate, magnesium tungstate:1:1 is uniformly mixed
Arrive.
The method for preparing above-mentioned PE liquid packaging films, comprises the following steps:
(1) by LLDPE, LDPE, calcium carbonate, 2,6 di tert butyl 4 methyl phenol, EVA, stabilizer, inorganic antiseptic
Add in mixing and blending machine, using rotating speed as 500 revs/min, be uniformly mixed 10min, obtain mixture;
(2) mixture of step (1) is subjected to extruder grain, fashion of extrusion is twin-screw extruder, and temperature is 5 during extruding
Stage:First stage temperature is 175 DEG C, and second stage temperature is 185 DEG C, and phase III temperature is 195 DEG C, fourth stage temperature
For 215 DEG C, the 5th phase temperature is 220 DEG C, is granulated after extruding, obtains master batch;
(3) extruded after the master batch that granulation obtains is plasticized with inflation film manufacturing machine, feeding temperature is 110 DEG C when being extruded after plasticizing, pressure
Contracting plasticization temperature is 130 DEG C, and head temperature is 185 DEG C;
(4) material that step (3) obtains is carried out traction becomes film, blow-up ratio 1:4, draw ratio 1:6;
(5) postcooling is drawn to room temperature.Obtain the PE liquid packaging films of embodiment 1.
Embodiment 2
It is substantially the same manner as Example 1, differ only in:The stabilizer is by maleate tin octylate, two (iso-octyl
Maleic acid) dibutyl tin in mass ratio be 1:1 is uniformly mixed to obtain.Obtain the PE liquid packaging films of embodiment 2.
Embodiment 3
It is substantially the same manner as Example 1, differ only in:The stabilizer is by Bis(lauroyloxy)dioctyltin, two (different
Octyl group maleic acid) dibutyl tin in mass ratio be 1:1 is uniformly mixed to obtain.Obtain the PE liquid packaging films of embodiment 3.
Embodiment 4
It is substantially the same manner as Example 1, differ only in:The stabilizer is by Bis(lauroyloxy)dioctyltin, Malaysia
Acid esters tin octylate is 1 in mass ratio:1 is uniformly mixed to obtain.Obtain the PE liquid packaging films of embodiment 4.
Embodiment 5
It is substantially the same manner as Example 1, differ only in:The inorganic antiseptic presses quality by magnesium titanate, magnesium tungstate
Than for 1:1 is uniformly mixed to obtain.Obtain the PE liquid packaging films of embodiment 5.
Embodiment 6
It is substantially the same manner as Example 1, differ only in:The inorganic antiseptic presses quality by magnesium aluminate, magnesium tungstate
Than for 1:1 is uniformly mixed to obtain.Obtain the PE liquid packaging films of embodiment 6.
Embodiment 7
It is substantially the same manner as Example 1, differ only in:The inorganic antiseptic presses quality by magnesium aluminate, magnesium titanate
Than for 1:1 is uniformly mixed to obtain.Obtain the PE liquid packaging films of embodiment 7.
Test case 1
The traditional performance of the master batch that step (2) is prepared in embodiment 1-7 is tested, specific test result is shown in Table
1。
Table 1:Traditional performance test data table
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (Bis(lauroyloxy)dioctyltin, maleate tin octylate, two
(iso-octyl maleic acid) dibutyl tin compounds) traditional performance is substantially better than embodiment 2-4 (Bis(lauroyloxy)dioctyltin, Malaysia
The two any compounding in acid esters tin octylate, two (iso-octyl maleic acid) dibutyl tins);Comparing embodiment 1 and embodiment 5-7, it is real
Apply example 1 (magnesium aluminate, magnesium titanate, magnesium tungstate compounding) traditional performance and be substantially better than embodiment 5-7 (magnesium aluminate, magnesium titanate, magnesium tungstate
In the two any compounding).
Test case 2
The anti-microbial property of the PE liquid packaging films of embodiment 1-7 is tested, is detected with reference to GB/T21510-2008, greatly
Enterobacteria ATYCC 25922, staphylococcus aureus ATCC6538.Specific test result is shown in Table 2.
Table 2:Anti-microbial property test tables of data
Sample | Escherichia coli sterilizing rate, % | Staphylococcus aureus sterilizing rate, % |
Embodiment 1 | 99.4 | 99.9 |
Embodiment 2 | 95.7 | 96.1 |
Embodiment 3 | 95.8 | 96.9 |
Embodiment 4 | 96.6 | 97.3 |
Embodiment 5 | 94.2 | 94.2 |
Embodiment 6 | 95.9 | 94.6 |
Embodiment 7 | 94.7 | 95.4 |
Comparing embodiment 1 and embodiment 2-4, embodiment 1 (Bis(lauroyloxy)dioctyltin, maleate tin octylate, two
(iso-octyl maleic acid) dibutyl tin compounds) anti-microbial property is substantially better than embodiment 2-4 (Bis(lauroyloxy)dioctyltin, Malaysia
The two any compounding in acid esters tin octylate, two (iso-octyl maleic acid) dibutyl tins);Comparing embodiment 1 and embodiment 5-7, it is real
Apply example 1 (magnesium aluminate, magnesium titanate, magnesium tungstate compounding) anti-microbial property and be substantially better than embodiment 5-7 (magnesium aluminate, magnesium titanate, magnesium tungstate
In the two any compounding).
Claims (6)
1. a kind of PE liquid packaging films, it is characterised in that be prepared by the raw material of following weight parts:35-45 parts of LLDPE,
95-105 parts of LDPE, 1-5 parts of calcium carbonate, 1-3 parts of 2,6 di tert butyl 4 methyl phenol, 2-4 parts of EVA, stabilizer 0.2-2
Part, 0.1-1 parts of inorganic antiseptic.
2. PE liquid packaging films as claimed in claim 1, it is characterised in that:The stabilizer is tin dilaurate di-n-octyl
One or more mixture in tin, maleate tin octylate, two (iso-octyl maleic acid) dibutyl tins.
3. PE liquid packaging films as claimed in claim 2, it is characterised in that:The stabilizer is by tin dilaurate di-n-octyl
Tin, maleate tin octylate, two (iso-octyl maleic acid) dibutyl tins mix, the Bis(lauroyloxy)dioctyltin, horse
Carry out acid esters tin octylate, the mass ratio of two (iso-octyl maleic acid) dibutyl tins is(1-3):(1-3):(1-3).
4. the PE liquid packaging films as any one of claim 1-3, it is characterised in that:The inorganic antiseptic is aluminium
One or more mixture in sour magnesium, magnesium titanate, magnesium tungstate.
5. PE liquid packaging films as claimed in claim 4, it is characterised in that:The inorganic antiseptic is by magnesium aluminate, metatitanic acid
Magnesium, magnesium tungstate mix, and the magnesium aluminate, magnesium titanate, the mass ratio of magnesium tungstate are(1-3):(1-3):(1-3).
6. the preparation method of PE liquid packaging films as any one of claim 1-5, it is characterised in that including following step
Suddenly:
(1)LLDPE, LDPE, calcium carbonate, 2,6 di tert butyl 4 methyl phenol, EVA, stabilizer, inorganic antiseptic are added
In mixing and blending machine, using rotating speed as 400-800 revs/min, 5-15min is uniformly mixed, obtains mixture;
(2)Mixture is subjected to extruder grain, fashion of extrusion is twin-screw extruder, and temperature is 5 stages during extruding:First stage
Temperature is 165-185 DEG C, and second stage temperature is 175-195 DEG C, and phase III temperature is 185-205 DEG C, fourth stage temperature
For 205-225 DEG C, the 5th phase temperature is 210-230 DEG C, is granulated after extruding, obtains master batch;
(3)Extruded after the master batch that granulation obtains is plasticized with inflation film manufacturing machine, feeding temperature is 100-120 DEG C when being extruded after plasticizing, pressure
Contracting plasticization temperature is 120-140 DEG C, and head temperature is 175-195 DEG C;
(4)By step(3)Obtained material, which carries out traction, becomes film, blow-up ratio 1:4, draw ratio 1:6;
(5)Postcooling is drawn to room temperature, to obtain the final product.
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CN201711248646.1A CN107955250A (en) | 2017-12-01 | 2017-12-01 | PE liquid packaging films and preparation method thereof |
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CN201711248646.1A CN107955250A (en) | 2017-12-01 | 2017-12-01 | PE liquid packaging films and preparation method thereof |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111875860A (en) * | 2020-06-28 | 2020-11-03 | 江阴市德惠热收缩包装材料有限公司 | Low-temperature heat shrinkable film and preparation method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107383571A (en) * | 2017-06-26 | 2017-11-24 | 李春秀 | Environment-friendlyanti-crease anti-crease shrink package film |
CN107383520A (en) * | 2017-06-26 | 2017-11-24 | 李春秀 | PE liquid packaging films |
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2017
- 2017-12-01 CN CN201711248646.1A patent/CN107955250A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107383571A (en) * | 2017-06-26 | 2017-11-24 | 李春秀 | Environment-friendlyanti-crease anti-crease shrink package film |
CN107383520A (en) * | 2017-06-26 | 2017-11-24 | 李春秀 | PE liquid packaging films |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111875860A (en) * | 2020-06-28 | 2020-11-03 | 江阴市德惠热收缩包装材料有限公司 | Low-temperature heat shrinkable film and preparation method thereof |
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