CN107964159A - A kind of heat safe PE films and preparation method thereof - Google Patents
A kind of heat safe PE films and preparation method thereof Download PDFInfo
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- CN107964159A CN107964159A CN201711378550.7A CN201711378550A CN107964159A CN 107964159 A CN107964159 A CN 107964159A CN 201711378550 A CN201711378550 A CN 201711378550A CN 107964159 A CN107964159 A CN 107964159A
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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
- C08J2323/06—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
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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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
- C08J2423/06—Polyethene
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
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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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/524—Esters of phosphorous acids, e.g. of H3PO3
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- Processes Of Treating Macromolecular Substances (AREA)
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Abstract
The invention discloses a kind of heat safe PE films, it is made of the raw material below according to parts by weight：70 80 parts of low density polyethylene (LDPE), 48 parts of high density polyethylene (HDPE), 1.5 2.0 parts of diphenyl methane dimaleimide, 0.8 1.2 parts of barium zinc stabilizer, 1.2 1.7 parts of antioxidant, 0.5 0.9 parts of macrogol, 0.8 1.2 parts of three isodecyl fat of phosphorous acid, 25 parts of sodium carboxymethylcellulose, 36 parts of polyester fiber.The invention also discloses the preparation method of the heat safe PE films.PE films prepared by the present invention have good resistance to elevated temperatures, in high temperature environments, can keep its mechanical property, good protection is provided for product, meets the market demand.
Description
Technical field
The present invention relates to field of packaging material, is specifically a kind of heat safe PE films and preparation method thereof.
Background technology
Polyethylene (abbreviation PE) is a kind of aggregated obtained thermoplastic resin of ethene.Industrially, also including ethene with
The copolymer of a small amount of alpha-olefin.Polyethylene is odorless, nontoxic, feel ceraceous, has excellent resistance to low temperature (minimum temperature in use
Reachable -100 DEG C~-70 DEG C), chemical stability is good, is resistant to the erosion of most of soda acids (intolerant to the acid with oxidizing property).Often
Temperature is lower not to dissolve in common solvent, and water imbibition is small, and electrical insulating property is excellent, therefore is widely used at present in all trades and professions.Poly- second
Alkene film is the most widely used high molecular material in the world today.PE protective films using Special polyethylene (PE) plastic film as base material,
High density polyethylene (HDPE) protective film, medium density polyethylene and low density polyethylene (LDPE) are divided into according to the difference of density.Polyethylene film is present
It has been widely used in the industries such as medicine, chemical industry, food, electronics, printing.
With the development of the times, market proposes the performance of PE films increasingly higher demands, and existing PE films also exist
The defects of certain, as resistance to elevated temperatures is poor, (such as more than 60 DEG C), the mechanical property of PE films will be big after hot conditions
Amplitude declines, and can not provide product good protection again, and assistant officer is to be modified.
The content of the invention
It is an object of the invention to provide a kind of heat safe PE films and preparation method thereof, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical solution：
A kind of heat safe PE films, are made of the raw material below according to parts by weight：It is 70-80 parts of low density polyethylene (LDPE), highly dense
Spend 4-8 parts of polyethylene, 1.5-2.0 parts of diphenyl methane dimaleimide, 0.8-1.2 parts of barium zinc stabilizer, antioxidant 1.2-1.7
Part, 0.5-0.9 parts of macrogol, 0.8-1.2 parts of three isodecyl fat of phosphorous acid, 2-5 parts of sodium carboxymethylcellulose, polyester fiber
3-6 parts.
As the further scheme of the present invention：It is made of the raw material below according to parts by weight：Low density polyethylene (LDPE) 73-77
Part, 5-7 parts of high density polyethylene (HDPE), 1.6-1.9 parts of diphenyl methane dimaleimide, 0.9-1.1 parts of barium zinc stabilizer, antioxidant
1.3-1.6 parts, 0.6-0.8 parts of macrogol, 0.9-1.1 parts of three isodecyl fat of phosphorous acid, 3-4 parts of sodium carboxymethylcellulose,
4-5 parts of polyester fiber.
As further scheme of the invention：It is made of the raw material below according to parts by weight：75 parts of low density polyethylene (LDPE),
6 parts of high density polyethylene (HDPE), 1.7 parts of diphenyl methane dimaleimide, 1 part of barium zinc stabilizer, 1.5 parts of antioxidant, polyethylene two
0.7 part of alcohol, 1 part of three isodecyl fat of phosphorous acid, 3.4 parts of sodium carboxymethylcellulose, 4.5 parts of polyester fiber.
As further scheme of the invention：The antioxidant is made of antioxidant 1076 and antioxidant CA.
As further scheme of the invention：The weight ratio of antioxidant 1076 and antioxidant CA is 3 in the antioxidant:
2。
The preparation method of the heat safe PE films, step are as follows：
1) low density polyethylene (LDPE), diphenyl methane dimaleimide and polyester fiber are weighed, is put into reaction kettle,
130-140 DEG C, 30-35min is stirred under 150-200rpm, obtain the first mixture；
2) reaction kettle in step 1) is cooled to 90-100 DEG C, by high density polyethylene (HDPE), three isodecyl fat of phosphorous acid and
Sodium carboxymethylcellulose is added into the first mixture, and 25-30min is stirred under 200-250rpm, obtains the second mixing
Thing；
3) reaction kettle in step 2) is cooled to 40-50 DEG C, barium zinc stabilizer, antioxidant and macrogol is added
Into the second mixture, 40-50min is stirred under 300-400rpm, is discharged, obtains the 3rd mixture；
4) the 3rd mixture is put into double screw extruder, carries out extruding pelletization, obtain master batch；
5) master batch is sent into plastic film blowing machine and carries out extrusion blown film, you can.
Compared with prior art, the beneficial effects of the invention are as follows：
PE films prepared by the present invention have good resistance to elevated temperatures, in high temperature environments, can keep its mechanical property,
Good protection is provided for product, meets the market demand, has further expanded the application range of PE films.
Embodiment
Technical scheme is described in more detail with reference to embodiment.
Embodiment 1
A kind of heat safe PE films, are made of the raw material below according to parts by weight：70 parts of low density polyethylene (LDPE), high density are gathered
4 parts of ethene, 1.5 parts of diphenyl methane dimaleimide, 0.8 part of barium zinc stabilizer, 1.2 parts of antioxidant, macrogol 0.5
Part, 0.8 part of three isodecyl fat of phosphorous acid, 2 parts of sodium carboxymethylcellulose, 3 parts of polyester fiber.
Wherein, the antioxidant is made of antioxidant 1076 and antioxidant CA, antioxidant 1076 and anti-in the antioxidant
The weight ratio of oxygen agent CA is 3:2.
In the present embodiment, the preparation method of the heat safe PE films, step is as follows：
1) low density polyethylene (LDPE), diphenyl methane dimaleimide and polyester fiber are weighed, is put into reaction kettle,
130 DEG C, 30min is stirred under 150rpm, obtain the first mixture；
2) reaction kettle in step 1) is cooled to 90 DEG C, by high density polyethylene (HDPE), three isodecyl fat of phosphorous acid and carboxylic first
Base sodium cellulosate is added into the first mixture, is stirred 25min at 200 rpm, obtains the second mixture；
3) reaction kettle in step 2) is cooled to 40 DEG C, by barium zinc stabilizer, antioxidant and macrogol add to
In second mixture, 40min is stirred at 300 rpm, is discharged, and obtains the 3rd mixture；
4) the 3rd mixture is put into double screw extruder, carries out extruding pelletization, obtain master batch；
5) master batch is sent into plastic film blowing machine and carries out extrusion blown film, you can.
Embodiment 2
A kind of heat safe PE films, are made of the raw material below according to parts by weight：73 parts of low density polyethylene (LDPE), high density are gathered
5 parts of ethene, 1.9 parts of diphenyl methane dimaleimide, 1.1 parts of barium zinc stabilizer, 1.3 parts of antioxidant, macrogol 0.6
Part, 0.9 part of three isodecyl fat of phosphorous acid, 4 parts of sodium carboxymethylcellulose, 5 parts of polyester fiber.
Wherein, the antioxidant is made of antioxidant 1076 and antioxidant CA, antioxidant 1076 and anti-in the antioxidant
The weight ratio of oxygen agent CA is 3:2.
In the present embodiment, the preparation method of the heat safe PE films, step is as follows：
1) low density polyethylene (LDPE), diphenyl methane dimaleimide and polyester fiber are weighed, is put into reaction kettle,
132 DEG C, 30min is stirred under 160rpm, obtain the first mixture；
2) reaction kettle in step 1) is cooled to 95 DEG C, by high density polyethylene (HDPE), three isodecyl fat of phosphorous acid and carboxylic first
Base sodium cellulosate is added into the first mixture, and 25min is stirred under 220rpm, obtains the second mixture；
3) reaction kettle in step 2) is cooled to 45 DEG C, by barium zinc stabilizer, antioxidant and macrogol add to
In second mixture, 43min is stirred at 300 rpm, is discharged, and obtains the 3rd mixture；
4) the 3rd mixture is put into double screw extruder, carries out extruding pelletization, obtain master batch；
5) master batch is sent into plastic film blowing machine and carries out extrusion blown film, you can.
Embodiment 3
A kind of heat safe PE films, are made of the raw material below according to parts by weight：75 parts of low density polyethylene (LDPE), high density are gathered
6 parts of ethene, 1.7 parts of diphenyl methane dimaleimide, 1 part of barium zinc stabilizer, 1.5 parts of antioxidant, 0.7 part of macrogol,
1 part of three isodecyl fat of phosphorous acid, 3.4 parts of sodium carboxymethylcellulose, 4.5 parts of polyester fiber.
Wherein, the antioxidant is made of antioxidant 1076 and antioxidant CA, antioxidant 1076 and anti-in the antioxidant
The weight ratio of oxygen agent CA is 3:2.
In the present embodiment, the preparation method of the heat safe PE films, step is as follows：
1) low density polyethylene (LDPE), diphenyl methane dimaleimide and polyester fiber are weighed, is put into reaction kettle,
135 DEG C, 32min is stirred under 180rpm, obtain the first mixture；
2) reaction kettle in step 1) is cooled to 95 DEG C, by high density polyethylene (HDPE), three isodecyl fat of phosphorous acid and carboxylic first
Base sodium cellulosate is added into the first mixture, and 27min is stirred under 230rpm, obtains the second mixture；
3) reaction kettle in step 2) is cooled to 45 DEG C, by barium zinc stabilizer, antioxidant and macrogol add to
In second mixture, 45min is stirred under 350rpm, is discharged, obtains the 3rd mixture；
4) the 3rd mixture is put into double screw extruder, carries out extruding pelletization, obtain master batch；
5) master batch is sent into plastic film blowing machine and carries out extrusion blown film, you can.
Embodiment 4
A kind of heat safe PE films, are made of the raw material below according to parts by weight：77 parts of low density polyethylene (LDPE), high density are gathered
7 parts of ethene, 1.6 parts of diphenyl methane dimaleimide, 0.9 part of barium zinc stabilizer, 1.6 parts of antioxidant, macrogol 0.8
Part, 1.1 parts of three isodecyl fat of phosphorous acid, 3 parts of sodium carboxymethylcellulose, 4 parts of polyester fiber.
Wherein, the antioxidant is made of antioxidant 1076 and antioxidant CA, antioxidant 1076 and anti-in the antioxidant
The weight ratio of oxygen agent CA is 3:2.
In the present embodiment, the preparation method of the heat safe PE films, step is as follows：
1) low density polyethylene (LDPE), diphenyl methane dimaleimide and polyester fiber are weighed, is put into reaction kettle,
138 DEG C, 32min is stirred under 200rpm, obtain the first mixture；
2) reaction kettle in step 1) is cooled to 100 DEG C, by high density polyethylene (HDPE), three isodecyl fat of phosphorous acid and carboxylic first
Base sodium cellulosate is added into the first mixture, and 30min is stirred under 240rpm, obtains the second mixture；
3) reaction kettle in step 2) is cooled to 47 DEG C, by barium zinc stabilizer, antioxidant and macrogol add to
In second mixture, 45min is stirred under 400rpm, is discharged, obtains the 3rd mixture；
4) the 3rd mixture is put into double screw extruder, carries out extruding pelletization, obtain master batch；
5) master batch is sent into plastic film blowing machine and carries out extrusion blown film, you can.
Embodiment 5
A kind of heat safe PE films, are made of the raw material below according to parts by weight：80 parts of low density polyethylene (LDPE), high density are gathered
8 parts of ethene, 2.0 parts of diphenyl methane dimaleimide, 1.2 parts of barium zinc stabilizer, 1.7 parts of antioxidant, macrogol 0.9
Part, 1.2 parts of three isodecyl fat of phosphorous acid, 5 parts of sodium carboxymethylcellulose, 6 parts of polyester fiber.
Wherein, the antioxidant is made of antioxidant 1076 and antioxidant CA, antioxidant 1076 and anti-in the antioxidant
The weight ratio of oxygen agent CA is 3:2.
In the present embodiment, the preparation method of the heat safe PE films, step is as follows：
1) low density polyethylene (LDPE), diphenyl methane dimaleimide and polyester fiber are weighed, is put into reaction kettle,
140 DEG C, 35min is stirred under 200rpm, obtain the first mixture；
2) reaction kettle in step 1) is cooled to 100 DEG C, by high density polyethylene (HDPE), three isodecyl fat of phosphorous acid and carboxylic first
Base sodium cellulosate is added into the first mixture, and 30min is stirred under 250rpm, obtains the second mixture；
3) reaction kettle in step 2) is cooled to 50 DEG C, by barium zinc stabilizer, antioxidant and macrogol add to
In second mixture, 50min is stirred under 400rpm, is discharged, obtains the 3rd mixture；
4) the 3rd mixture is put into double screw extruder, carries out extruding pelletization, obtain master batch；
5) master batch is sent into plastic film blowing machine and carries out extrusion blown film, you can.
The PE films prepared to the present invention are tested for the property, when by PE films, maturation process 48 is small at 60 DEG C, detection curing
The tensile strength change rate and elongation at break change rate of front and rear PE films.Test result shows that PE films prepared by the present invention are ripe
It is 3.8-5.5% to change front and rear tensile strength change rate, and elongation at break change rate is 4.7-7.2%.
PE films prepared by the present invention have good resistance to elevated temperatures, in high temperature environments, can keep its mechanical property,
Good protection is provided for product, meets the market demand, has further expanded the application range of PE films.
The better embodiment of the present invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula, can also be on the premise of present inventive concept not be departed from the knowledge that one skilled in the relevant art possesses
Various changes can be made.
Claims (6)
1. a kind of heat safe PE films, it is characterised in that be made of the raw material below according to parts by weight：Low density polyethylene (LDPE) 70-
80 parts, 4-8 parts of high density polyethylene (HDPE), 1.5-2.0 parts of diphenyl methane dimaleimide, 0.8-1.2 parts of barium zinc stabilizer, antioxygen
1.2-1.7 parts of agent, 0.5-0.9 parts of macrogol, 0.8-1.2 parts of three isodecyl fat of phosphorous acid, sodium carboxymethylcellulose 2-5
Part, 3-6 parts of polyester fiber.
2. heat safe PE films according to claim 1, it is characterised in that be made of the raw material below according to parts by weight：
73-77 parts of low density polyethylene (LDPE), 5-7 parts of high density polyethylene (HDPE), 1.6-1.9 parts of diphenyl methane dimaleimide, barium zinc are stablized
0.9-1.1 parts of agent, 1.3-1.6 parts of antioxidant, 0.6-0.8 parts of macrogol, 0.9-1.1 parts of three isodecyl fat of phosphorous acid, carboxylic
3-4 parts of sodium carboxymethylcellulose pyce, 4-5 parts of polyester fiber.
3. heat safe PE films according to claim 2, it is characterised in that be made of the raw material below according to parts by weight：
75 parts of low density polyethylene (LDPE), 6 parts of high density polyethylene (HDPE), 1.7 parts of diphenyl methane dimaleimide, 1 part of barium zinc stabilizer, antioxygen
1.5 parts of agent, 0.7 part of macrogol, 1 part of three isodecyl fat of phosphorous acid, 3.4 parts of sodium carboxymethylcellulose, polyester fiber 4.5
Part.
4. heat safe PE films according to claim 1, it is characterised in that the antioxidant is by antioxidant 1076 and antioxygen
Agent CA is formed.
5. heat safe PE films according to claim 4, it is characterised in that antioxidant 1076 and antioxygen in the antioxidant
The weight ratio of agent CA is 3:2.
6. the preparation method of a kind of heat safe PE films as described in claim 1-5 is any, it is characterised in that step is as follows：
1) low density polyethylene (LDPE), diphenyl methane dimaleimide and polyester fiber are weighed, is put into reaction kettle, in 130-
140 DEG C, 30-35min is stirred under 150-200rpm, obtain the first mixture；
2) reaction kettle in step 1) is cooled to 90-100 DEG C, by high density polyethylene (HDPE), three isodecyl fat of phosphorous acid and carboxylic first
Base sodium cellulosate is added into the first mixture, and 25-30min is stirred under 200-250rpm, obtains the second mixture；
3) reaction kettle in step 2) is cooled to 40-50 DEG C, barium zinc stabilizer, antioxidant and macrogol is added to
In two mixtures, 40-50min is stirred under 300-400rpm, is discharged, obtains the 3rd mixture；
4) the 3rd mixture is put into double screw extruder, carries out extruding pelletization, obtain master batch；
5) master batch is sent into plastic film blowing machine and carries out extrusion blown film, you can.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711378550.7A CN107964159A (en) | 2017-12-19 | 2017-12-19 | A kind of heat safe PE films and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711378550.7A CN107964159A (en) | 2017-12-19 | 2017-12-19 | A kind of heat safe PE films and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485963A (en) * | 2018-09-21 | 2019-03-19 | 上海佰鑫新材料科技有限公司 | A kind of fresh-keeping fit film of high temperature resistant and its preparation process |
| CN111647188A (en) * | 2020-06-08 | 2020-09-11 | 宁波六麦新材料科技有限公司 | Flexible environment-friendly high-temperature-resistant protective film and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092897A2 (en) * | 1982-04-26 | 1983-11-02 | American National Can Company | Polymeric composition of matter, oriented polymeric films and shrink bags made therefrom |
| CN103146045A (en) * | 2011-12-07 | 2013-06-12 | 张庆之 | Photodegradable high-temperature-resistant plastic preservative film |
| CN104277289A (en) * | 2014-09-24 | 2015-01-14 | 苏州博利迈新材料科技有限公司 | High temperature-resistant and light aging-resistant PE (polyethylene) film and preparation method thereof |
-
2017
- 2017-12-19 CN CN201711378550.7A patent/CN107964159A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0092897A2 (en) * | 1982-04-26 | 1983-11-02 | American National Can Company | Polymeric composition of matter, oriented polymeric films and shrink bags made therefrom |
| CN103146045A (en) * | 2011-12-07 | 2013-06-12 | 张庆之 | Photodegradable high-temperature-resistant plastic preservative film |
| CN104277289A (en) * | 2014-09-24 | 2015-01-14 | 苏州博利迈新材料科技有限公司 | High temperature-resistant and light aging-resistant PE (polyethylene) film and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109485963A (en) * | 2018-09-21 | 2019-03-19 | 上海佰鑫新材料科技有限公司 | A kind of fresh-keeping fit film of high temperature resistant and its preparation process |
| CN111647188A (en) * | 2020-06-08 | 2020-09-11 | 宁波六麦新材料科技有限公司 | Flexible environment-friendly high-temperature-resistant protective film and preparation method thereof |
| CN111647188B (en) * | 2020-06-08 | 2022-11-04 | 宁波六麦新材料科技有限公司 | Flexible environment-friendly high-temperature-resistant protective film and preparation method thereof |
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Application publication date: 20180427 |