CN107987360A - A kind of high tenacity and impact-resistant PE films and preparation method thereof - Google Patents
A kind of high tenacity and impact-resistant PE films and preparation method thereof Download PDFInfo
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- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
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- B65D65/38—Packaging materials of special type or form
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- 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
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- 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
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- 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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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K2003/2241—Titanium dioxide
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- C08K5/13—Phenols; Phenolates
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Abstract
The invention discloses a kind of high tenacity and impact-resistant PE films, it is made of the raw material below according to parts by weight：65 70 parts of low density polyethylene (LDPE), 22 26 parts of metallocene linear-low density polyethylene, 9 13 parts of medium density polyethylene, 6 10 parts of polyvinyl butyral resin, 0.8 1.2 parts of erucyl amide, 1.5 1.9 parts of antioxidant, 0.3 0.6 parts of sodium abietate, 0.7 1.1 parts of calcium-zinc composite stabilizing agent, 12 parts of nano-titanium dioxide, 23 parts of cellulose acetate.The invention also discloses the high tenacity and the preparation method of impact-resistant PE films.PE films prepared by the present invention have good toughness and shock resistance, disclosure satisfy that performance requirement of some special occasions to packaging protecting film, have expanded the application range of PE films.
Description
Technical field
The present invention relates to field of packaging material, is specifically a kind of high tenacity and impact-resistant PE films and its preparation side
Method.
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 in increasingly higher demands, existing PE film toughness table
It is now general, and shock resistance is poor, can not meet performance requirement of some special occasions to packaging protecting film, limit PE films
Application range, assistant officer is to be modified.
The content of the invention
It is an object of the invention to provide a kind of high tenacity and impact-resistant PE films and preparation method thereof, to solve the above-mentioned back of the body
The problem of being proposed in scape technology.
To achieve the above object, the present invention provides following technical solution：
A kind of high tenacity and impact-resistant PE films, are made of the raw material below according to parts by weight：Low density polyethylene (LDPE) 65-70
Part, 22-26 parts of metallocene linear-low density polyethylene, 9-13 parts of medium density polyethylene, 6-10 parts of polyvinyl butyral resin, erucic acid
0.8-1.2 parts of acid amides, 1.5-1.9 parts of antioxidant, 0.3-0.6 parts of sodium abietate, 0.7-1.1 parts of calcium-zinc composite stabilizing agent, nanometer
1-2 parts of titanium dioxide, 2-3 parts of cellulose acetate.
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) 66-69
Part, 23-25 parts of metallocene linear-low density polyethylene, 10-12 parts of medium density polyethylene, 7-9 parts of polyvinyl butyral resin, erucic acid
0.9-1.1 parts of acid amides, 1.6-1.8 parts of antioxidant, 0.4-0.5 parts of sodium abietate, 0.8-1.0 parts of calcium-zinc composite stabilizing agent, nanometer
1.3-1.7 parts of titanium dioxide, 2.4-2.8 parts of cellulose acetate.
As further scheme of the invention：It is made of the raw material below according to parts by weight：67 parts of low density polyethylene (LDPE),
It is 24 parts of metallocene linear-low density polyethylene, 11 parts of medium density polyethylene, 8 parts of polyvinyl butyral resin, 1 part of erucyl amide, anti-
1.7 parts of oxygen agent, 0.5 part of sodium abietate, 0.9 part of calcium-zinc composite stabilizing agent, 1.5 parts of nano-titanium dioxide, cellulose acetate 2.6
Part.
As further scheme of the invention：The antioxidant is made of antioxidant 1076 and anti-oxidant DLTP.
As further scheme of the invention：The weight ratio of antioxidant 1076 and anti-oxidant DLTP is in the antioxidant
2:5。
The preparation method of the high tenacity and impact-resistant PE films, step are as follows：
1) sodium abietate and nano-titanium dioxide are weighed, is put into magnetic stirrer, is stirred at 65-70 DEG C
20-25min, obtains the first mixture；
2) temperature of magnetic stirrer in step 1) is kept, cellulose acetate is added into the first mixture, continues to stir
Mixing 30-40min is mixed, discharging, obtains the second mixture, spare；
3) it is steady that low density polyethylene (LDPE), metallocene linear-low density polyethylene, erucyl amide, antioxidant and Ca Zn composite are weighed
Determine agent, put into mixer, be stirred 15-20min, discharge, after double screw extruder extruding pelletization, obtain mixture
A；
4) mixture A, the second mixture, medium density polyethylene and polyvinyl butyral resin are put into mixer, it is close
Refining processing 10-15min, discharging, obtains mixture B；
5) mixture B is sent into inflation film manufacturing machine, blown film, you can.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is formulated by improving, and optimize technique, prepared PE films have good toughness and shock resistance, energy
Enough meet performance requirement of some special occasions to packaging protecting film, further expanded the application range of PE films, have important
Market value and social value.
Embodiment
Technical scheme is described in more detail with reference to embodiment.
Embodiment 1
A kind of high tenacity and impact-resistant PE films, are made of the raw material below according to parts by weight：65 parts of low density polyethylene (LDPE),
It is 22 parts of metallocene linear-low density polyethylene, 9 parts of medium density polyethylene, 6 parts of polyvinyl butyral resin, 0.8 part of erucyl amide, anti-
1.5 parts of oxygen agent, 0.3 part of sodium abietate, 0.7 part of calcium-zinc composite stabilizing agent, 1 part of nano-titanium dioxide, 2 parts of cellulose acetate.Its
In, the antioxidant is made of antioxidant 1076 and anti-oxidant DLTP, antioxidant 1076 and anti-oxidant DLTP in the antioxidant
Weight ratio be 2:5.
In the present embodiment, the preparation method of the high tenacity and impact-resistant PE films, step is as follows：
1) sodium abietate and nano-titanium dioxide are weighed, is put into magnetic stirrer, is stirred at 65 DEG C
20min, obtains the first mixture；
2) temperature of magnetic stirrer in step 1) is kept, cellulose acetate is added into the first mixture, continues to stir
Mixing 30min is mixed, discharging, obtains the second mixture, spare；
3) it is steady that low density polyethylene (LDPE), metallocene linear-low density polyethylene, erucyl amide, antioxidant and Ca Zn composite are weighed
Determine agent, put into mixer, be stirred 15min, discharge, after double screw extruder extruding pelletization, obtain mixture A；
4) mixture A, the second mixture, medium density polyethylene and polyvinyl butyral resin are put into mixer, it is close
Refining processing 10min, discharging, obtains mixture B；
5) mixture B is sent into inflation film manufacturing machine, blown film, you can.
Embodiment 2
A kind of high tenacity and impact-resistant PE films, are made of the raw material below according to parts by weight：66 parts of low density polyethylene (LDPE),
23 parts of metallocene linear-low density polyethylene, 10 parts of medium density polyethylene, 9 parts of polyvinyl butyral resin, 1.1 parts of erucyl amide,
1.8 parts of antioxidant, 0.4 part of sodium abietate, 0.8 part of calcium-zinc composite stabilizing agent, 1.7 parts of nano-titanium dioxide, cellulose acetate 2.8
Part.Wherein, the antioxidant is made of antioxidant 1076 and anti-oxidant DLTP, antioxidant 1076 and antioxidant in the antioxidant
The weight ratio of DLTP is 2:5.
In the present embodiment, the preparation method of the high tenacity and impact-resistant PE films, step is as follows：
1) sodium abietate and nano-titanium dioxide are weighed, is put into magnetic stirrer, is stirred at 67 DEG C
22min, obtains the first mixture；
2) temperature of magnetic stirrer in step 1) is kept, cellulose acetate is added into the first mixture, continues to stir
Mixing 30min is mixed, discharging, obtains the second mixture, spare；
3) it is steady that low density polyethylene (LDPE), metallocene linear-low density polyethylene, erucyl amide, antioxidant and Ca Zn composite are weighed
Determine agent, put into mixer, be stirred 16min, discharge, after double screw extruder extruding pelletization, obtain mixture A；
4) mixture A, the second mixture, medium density polyethylene and polyvinyl butyral resin are put into mixer, it is close
Refining processing 10min, discharging, obtains mixture B；
5) mixture B is sent into inflation film manufacturing machine, blown film, you can.
Embodiment 3
A kind of high tenacity and impact-resistant PE films, are made of the raw material below according to parts by weight：67 parts of low density polyethylene (LDPE),
It is 24 parts of metallocene linear-low density polyethylene, 11 parts of medium density polyethylene, 8 parts of polyvinyl butyral resin, 1 part of erucyl amide, anti-
1.7 parts of oxygen agent, 0.5 part of sodium abietate, 0.9 part of calcium-zinc composite stabilizing agent, 1.5 parts of nano-titanium dioxide, cellulose acetate 2.6
Part.Wherein, the antioxidant is made of antioxidant 1076 and anti-oxidant DLTP, antioxidant 1076 and antioxidant in the antioxidant
The weight ratio of DLTP is 2:5.
In the present embodiment, the preparation method of the high tenacity and impact-resistant PE films, step is as follows：
1) sodium abietate and nano-titanium dioxide are weighed, is put into magnetic stirrer, is stirred at 68 DEG C
23min, obtains the first mixture；
2) temperature of magnetic stirrer in step 1) is kept, cellulose acetate is added into the first mixture, continues to stir
Mixing 35min is mixed, discharging, obtains the second mixture, spare；
3) it is steady that low density polyethylene (LDPE), metallocene linear-low density polyethylene, erucyl amide, antioxidant and Ca Zn composite are weighed
Determine agent, put into mixer, be stirred 17min, discharge, after double screw extruder extruding pelletization, obtain mixture A；
4) mixture A, the second mixture, medium density polyethylene and polyvinyl butyral resin are put into mixer, it is close
Refining processing 12min, discharging, obtains mixture B；
5) mixture B is sent into inflation film manufacturing machine, blown film, you can.
Embodiment 4
A kind of high tenacity and impact-resistant PE films, are made of the raw material below according to parts by weight：69 parts of low density polyethylene (LDPE),
25 parts of metallocene linear-low density polyethylene, 12 parts of medium density polyethylene, 7 parts of polyvinyl butyral resin, 0.9 part of erucyl amide,
1.6 parts of antioxidant, 0.5 part of sodium abietate, 1.0 parts of calcium-zinc composite stabilizing agent, 1.3 parts of nano-titanium dioxide, cellulose acetate 2.4
Part.Wherein, the antioxidant is made of antioxidant 1076 and anti-oxidant DLTP, antioxidant 1076 and antioxidant in the antioxidant
The weight ratio of DLTP is 2:5.
In the present embodiment, the preparation method of the high tenacity and impact-resistant PE films, step is as follows：
1) sodium abietate and nano-titanium dioxide are weighed, is put into magnetic stirrer, is stirred at 68 DEG C
24min, obtains the first mixture；
2) temperature of magnetic stirrer in step 1) is kept, cellulose acetate is added into the first mixture, continues to stir
Mixing 37min is mixed, discharging, obtains the second mixture, spare；
3) it is steady that low density polyethylene (LDPE), metallocene linear-low density polyethylene, erucyl amide, antioxidant and Ca Zn composite are weighed
Determine agent, put into mixer, be stirred 20min, discharge, after double screw extruder extruding pelletization, obtain mixture A；
4) mixture A, the second mixture, medium density polyethylene and polyvinyl butyral resin are put into mixer, it is close
Refining processing 15min, discharging, obtains mixture B；
5) mixture B is sent into inflation film manufacturing machine, blown film, you can.
Embodiment 5
A kind of high tenacity and impact-resistant PE films, are made of the raw material below according to parts by weight：70 parts of low density polyethylene (LDPE),
26 parts of metallocene linear-low density polyethylene, 13 parts of medium density polyethylene, 10 parts of polyvinyl butyral resin, 1.2 parts of erucyl amide,
1.9 parts of antioxidant, 0.6 part of sodium abietate, 1.1 parts of calcium-zinc composite stabilizing agent, 2 parts of nano-titanium dioxide, 3 parts of cellulose acetate.
Wherein, the antioxidant is made of antioxidant 1076 and anti-oxidant DLTP, antioxidant 1076 and antioxidant in the antioxidant
The weight ratio of DLTP is 2:5.
In the present embodiment, the preparation method of the high tenacity and impact-resistant PE films, step is as follows：
1) sodium abietate and nano-titanium dioxide are weighed, is put into magnetic stirrer, is stirred at 70 DEG C
25min, obtains the first mixture；
2) temperature of magnetic stirrer in step 1) is kept, cellulose acetate is added into the first mixture, continues to stir
Mixing 40min is mixed, discharging, obtains the second mixture, spare；
3) it is steady that low density polyethylene (LDPE), metallocene linear-low density polyethylene, erucyl amide, antioxidant and Ca Zn composite are weighed
Determine agent, put into mixer, be stirred 20min, discharge, after double screw extruder extruding pelletization, obtain mixture A；
4) mixture A, the second mixture, medium density polyethylene and polyvinyl butyral resin are put into mixer, it is close
Refining processing 15min, discharging, obtains mixture B；
5) mixture B is sent into inflation film manufacturing machine, blown film, you can.
The present invention is formulated by improving, and optimize technique, prepared PE films have good toughness and shock resistance, energy
Enough meet performance requirement of some special occasions to packaging protecting film, further expanded the application range of PE films, have important
Market value and social value.
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 high tenacity and impact-resistant PE films, it is characterised in that be made of the raw material below according to parts by weight：Low-density is gathered
65-70 parts of ethene, 22-26 parts of metallocene linear-low density polyethylene, 9-13 parts of medium density polyethylene, polyvinyl butyral resin 6-
10 parts, 0.8-1.2 parts of erucyl amide, 1.5-1.9 parts of antioxidant, 0.3-0.6 parts of sodium abietate, calcium-zinc composite stabilizing agent 0.7-
1.1 parts, 1-2 parts of nano-titanium dioxide, 2-3 parts of cellulose acetate.
2. high tenacity according to claim 1 and impact-resistant PE films, it is characterised in that by below according to the original of parts by weight
Material is made：66-69 parts of low density polyethylene (LDPE), 23-25 parts of metallocene linear-low density polyethylene, 10-12 parts of medium density polyethylene,
7-9 parts of polyvinyl butyral resin, 0.9-1.1 parts of erucyl amide, 1.6-1.8 parts of antioxidant, 0.4-0.5 parts of sodium abietate, calcium zinc
0.8-1.0 parts of compound stabilizer, 1.3-1.7 parts of nano-titanium dioxide, 2.4-2.8 parts of cellulose acetate.
3. high tenacity according to claim 2 and impact-resistant PE films, it is characterised in that by below according to the original of parts by weight
Material is made：67 parts of low density polyethylene (LDPE), 24 parts of metallocene linear-low density polyethylene, 11 parts of medium density polyethylene, polyvinyl alcohol
8 parts of butyral, 1 part of erucyl amide, 1.7 parts of antioxidant, 0.5 part of sodium abietate, 0.9 part of calcium-zinc composite stabilizing agent, nano-silica
Change 1.5 parts of titanium, 2.6 parts of cellulose acetate.
4. high tenacity according to claim 1 and impact-resistant PE films, it is characterised in that the antioxidant is by antioxidant
1076 and anti-oxidant DLTP composition.
5. high tenacity according to claim 4 and impact-resistant PE films, it is characterised in that antioxidant in the antioxidant
1076 and anti-oxidant DLTP weight ratio be 2:5.
A kind of 6. preparation method of high tenacity as described in claim 1-5 is any and impact-resistant PE films, it is characterised in that step
It is rapid as follows：
1) sodium abietate and nano-titanium dioxide are weighed, is put into magnetic stirrer, 20- is stirred at 65-70 DEG C
25min, obtains the first mixture；
2) temperature of magnetic stirrer in step 1) is kept, cellulose acetate is added into the first mixture, it is mixed to continue stirring
30-40min is closed, discharging, obtains the second mixture, spare；
3) low density polyethylene (LDPE), metallocene linear-low density polyethylene, erucyl amide, antioxidant and Ca Zn composite is weighed to stablize
Agent, puts into mixer, is stirred 15-20min, discharging, after double screw extruder extruding pelletization, obtains mixture A；
4) mixture A, the second mixture, medium density polyethylene and polyvinyl butyral resin are put into mixer, at mixing
10-15min is managed, discharging, obtains mixture B；
5) mixture B is sent into inflation film manufacturing machine, blown film, you can.
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| CN109233076A (en) * | 2018-07-24 | 2019-01-18 | 桐城市正阳包装有限公司 | A kind of Antistatic polyethylene film |
| CN110317388A (en) * | 2019-07-18 | 2019-10-11 | 奥星衡迅生命科技（上海）有限公司 | A kind of packaging material and its preparation method and application directly contacted with drug |
| CN112250936A (en) * | 2020-10-21 | 2021-01-22 | 武汉华天成塑业有限责任公司 | Heat-resistant low-temperature-resistant PE film and preparation process thereof |
| CN116478462A (en) * | 2023-04-04 | 2023-07-25 | 华南理工大学 | Printing film suitable for direct inkjet of weak solvent ink and preparation method thereof |
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