CN108219258A - Plastic film open agent masterbatch composition and preparation method thereof - Google Patents
Plastic film open agent masterbatch composition and preparation method thereof Download PDFInfo
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- CN108219258A CN108219258A CN201711483329.8A CN201711483329A CN108219258A CN 108219258 A CN108219258 A CN 108219258A CN 201711483329 A CN201711483329 A CN 201711483329A CN 108219258 A CN108219258 A CN 108219258A
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- masterbatch composition
- plastic film
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- film
- opening
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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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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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
- C08J2300/00—Characterised by the use of unspecified polymers
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- 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
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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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
Abstract
The present invention provides a kind of plastic film open agent masterbatch composition, the following component including percentage：Vector resin：85~94%；Opening agent：5~10%；Dispersant：1~5%；The opening agent is spherical ceramic microballon.Compared with common inorganic opening agent, the ceramic fine bead opening agent uniform particle diameter of the invention used, regular shape, high into circle rate, reduction friction coefficient is apparent, has excellent opening performance and optical property.It can be used in the plastic membrane products such as polyethylene, polypropylene, dispersion forms protrusion in the film and in film surface, is conducive to air and enters between film and avoid the formation of vacuum, so as to reach opening effect.While excellent opening effect is reached to film, very little is influenced on film clarity, mist degree.
Description
Technical field
The present invention relates to a kind of plastic film open agent masterbatch compositions and preparation method thereof, belong to opening agent technology neck
Domain.
Background technology
Vistanex be made film for pack have been widely used in food, chemical industry, medicine and other fields, in plastic film
Blow-molding process in, the polymer branch easily formed between vacuum, two membranes between two membranes is mutually wound, and film can be caused to glue
It is even too embarrassed to say.Therefore, addition opening agent is needed to solve in production process.Traditional opening agent is divided into inorganic opening agent and has
Two kinds of machine opening agent, inorganic opening agent such as diatomite, talcum powder, silica etc. are generally small size particle, opening agent particle
Film surface is stretched out in part, can prevent the formation of vacuum between film and effectively reduce the winding of strand, anti-glutinous so as to reach opening
Even effect.Organic opening agent is generally amides compound such as oleamide, erucyl amide.After film is made, organic opening agent
Molecule migrates to form one layer of lubricant layer to film surface, and the film layer closed on is isolated, and reaches that opening is anti-to be adhered effect.
Traditional inorganic opening agent is usually using talcum powder, diatomite etc., and grain shape is irregular, and particle size is uneven
Even, opening effect is poor, and a large amount of reflection, diffusing reflection are generated to light, is affected to the transparency mist degree of film.Precipitation two
Although silica opening effect is preferable, hardly possible dispersion easily generates fisheye during blown film, shadow is caused to the appearance of film
It rings.Organic opening agent is migrated to film surface, and package can be polluted, influence film heat-sealing and printing.
Invention content
For the defects in the prior art, the object of the present invention is to provide a kind of plastic film open agent masterbatch composition and
Preparation method.
The present invention is achieved by the following technical solutions：
In a first aspect, the present invention provides a kind of plastic film open agent masterbatch composition, including weight percent
The following component of meter：
Vector resin：85~94%；
Opening agent：5~10%；
Dispersant：1~5%；
The opening agent is spherical ceramic microballon.
Compared to the conventional opens agent such as talcum powder, diatomite, synthetic silica, spherical ceramic microballon good dispersion, shape
Shape rule, uniform particle diameter, high into circle rate, it is apparent to reduce friction coefficient, has excellent film openings performance, while to the saturating of film
Lightness, mist degree influence very little.
Preferably, the melt index of the vector resin is 2~20g/10min.
Preferably, the vector resin is linear low density of polyethylene.
Preferably, the average grain diameter of the opening agent is 5 μm.
Preferably, the number-average molecular weight of the dispersant is 3000~5000, and fusing point is 100~108 DEG C.
Preferably, the dispersant is polyethylene wax.It can strengthen the dispersion effect of inorganic opening agent, improve processing
Stability.
Second aspect, the present invention also provides a kind of plastic film open agent masterbatch compositions as described in claim 1
Preparation method, include the following steps：
By vector resin, opening agent, dispersant, stirring at low speed and high-speed stirred are carried out successively, obtains mixture；
The mixture is put into double screw extruder and carries out melt blending, controls each area's temperature of double screw extruder
Respectively：One 120~130 DEG C of area, 130~170 DEG C of 2nd area, 140~170 DEG C of 3rd area, 140~170 DEG C of 4th area, five areas 150~
180 DEG C, 150~180 DEG C of 6th area, 140~170 DEG C of 7th area, 140~170 DEG C of 8th area, head temperature be 140~170 DEG C, feeding
The rotating speed of screw rod is 400~600rpm, and main-machine screw rotating speed is 180~350rpm, obtains melt；
The melt is cooled down and pelletizing, obtains the opening agent masterbatch composition.
Preferably, the rotating speed of the stirring at low speed is 650rpm, and the rotating speed of high-speed stirred is 1300rpm.
Compared with prior art, the present invention has following advantageous effect：
Compared with common inorganic opening agent, the ceramic fine bead opening agent uniform particle diameter of the invention used, regular shape, Cheng Yuan
Rate is high, and reduction friction coefficient is apparent, has excellent opening performance and optical property.The plastics such as polyethylene, polypropylene can be used in
In film article, dispersion forms protrusion in the film and in film surface, is conducive to air and enters between film and avoid the formation of vacuum, from
And reach opening effect.While excellent opening effect is reached to film, very little is influenced on film clarity, mist degree.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
The present embodiment is related to a kind of preparation method of plastic film open agent masterbatch composition, specifically comprises the following steps：
First, according to the weight percent of each component be respectively melt refer to for 2g/10min linear low density polyethylene 93%,
Ceramic fine bead 5%, 2% dispensing of polyethylene wax that number-average molecular weight is 3000；
2nd, linear low density polyethylene, ceramic fine bead, polyethylene wax are added in high-speed mixer, first stirring at low speed
3min, rear high-speed stirred 1min are sent into double screw extruder and carry out melt blending, extrusion, cooling, drying, pelletizing, obtain institute
State opening agent masterbatch composition.Wherein each area's temperature of double screw extruder is respectively：It is respectively from feed zone to head：130℃、
150 DEG C, 165 DEG C, 175 DEG C, 175 DEG C, 180 DEG C, 170 DEG C, 170 DEG C, 170 DEG C of head temperature；Double screw extruder feed screw
Rotating speed 400rpm, main-machine screw rotating speed 200rpm.
Embodiment 2
The present embodiment is related to a kind of preparation method of plastic film open agent masterbatch composition, specifically comprises the following steps：
First, according to the weight percent of each component be respectively melt refer to for 7g/10min linear low density polyethylene 89%,
Ceramic fine bead 8%, 3% dispensing of polyethylene wax that number-average molecular weight is 3000；
2nd, linear low density polyethylene, ceramic fine bead, polyethylene wax are added in high-speed mixer, first stirring at low speed
3min, rear high-speed stirred 1min are sent into double screw extruder and carry out melt blending, extrusion, cooling, drying, pelletizing, obtain institute
State opening agent masterbatch composition.Wherein each area's temperature of double screw extruder is respectively：It is respectively from feed zone to head：125℃、
140 DEG C, 155 DEG C, 165 DEG C, 165 DEG C, 170 DEG C, 170 DEG C, 160 DEG C, 155 DEG C of head temperature；Double screw extruder feed screw
Rotating speed 500rpm, main-machine screw rotating speed 260rpm.
Embodiment 3
The present embodiment is related to a kind of preparation method of plastic film open agent masterbatch composition, specifically comprises the following steps：
First, according to the weight percent of each component be respectively melt refer to for 20g/10min linear low density polyethylene 87%,
Ceramic fine bead 10%, 3% dispensing of polyethylene wax that number-average molecular weight is 3000；
2nd, linear low density polyethylene, ceramic fine bead, polyethylene wax are added in high-speed mixer, first stirring at low speed
3min, rear high-speed stirred 1min are sent into double screw extruder and carry out melt blending, extrusion, cooling, drying, pelletizing, obtain institute
State opening agent masterbatch composition.Wherein each area's temperature of double screw extruder is respectively：It is respectively from feed zone to head：120℃、
135 DEG C, 145 DEG C, 155 DEG C, 155 DEG C, 160 DEG C, 160 DEG C, 150 DEG C, 150 DEG C of head temperature；Double screw extruder feed screw
Rotating speed 500rpm, main-machine screw rotating speed 260rpm.
Comparative example 1
Ceramic fine bead in embodiment 1 is changed to the talcum powder of 3~10 μm of grain size, other conditions are constant.
Comparative example 2
Ceramic fine bead in embodiment 2 is changed to the talcum powder of 3~10 μm of grain size, other conditions are constant.
Comparative example 3
Ceramic fine bead in embodiment 3 is changed to the talcum powder of 3~10 μm of grain size, other conditions are constant.
2 parts of opening agent master batches are respectively taken from Examples 1 to 3 and comparative example 1~3, melt finger with 98 parts respectively as 2g/10min
Linear low density polyethylene mixing after blown film, 20 μm of film thickness.Correlated performance is tested in placement after a week.The results are shown in Table 1：
Table 1
| Confficient of static friction | The coefficient of kinetic friction | Transparency/% | Mist degree/% | |
| Embodiment 1 | 0.63 | 0.58 | 88.70 | 10.50 |
| Embodiment 2 | 0.59 | 0.50 | 88.50 | 10.62 |
| Embodiment 3 | 0.52 | 0.43 | 88.40 | 10.88 |
| Comparative example 1 | 0.68 | 0.63 | 87.20 | 12.60 |
| Comparative example 2 | 0.62 | 0.55 | 86.80 | 13.53 |
| Comparative example 3 | 0.55 | 0.46 | 86.10 | 13.81 |
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
- A kind of 1. plastic film open agent masterbatch composition, which is characterized in that the following component including percentage：Vector resin：85~94%；Opening agent：5~10%；Dispersant：1~5%；The opening agent is spherical ceramic microballon.
- 2. plastic film open agent masterbatch composition as described in claim 1, which is characterized in that the melting of the vector resin Index is 2~20g/10min.
- 3. plastic film open agent masterbatch composition as claimed in claim 1 or 2, which is characterized in that the vector resin is Linear low density of polyethylene.
- 4. plastic film open agent masterbatch composition as described in claim 1, which is characterized in that the average grain of the opening agent Diameter is 5 μm.
- 5. plastic film open agent masterbatch composition as described in claim 1, which is characterized in that the number of the dispersant is divided equally Son amount is 3000~5000, and fusing point is 100~108 DEG C.
- 6. the plastic film open agent masterbatch composition as described in claim 1 or 5, which is characterized in that the dispersant is poly- Ethylene waxes.
- 7. a kind of preparation method of plastic film open agent masterbatch composition as described in claim 1, which is characterized in that including Following steps：By vector resin, opening agent, dispersant, stirring at low speed and high-speed stirred are carried out successively, obtains mixture；The mixture is put into double screw extruder and carries out melt blending, each area's temperature of double screw extruder is controlled to distinguish For：One 120~130 DEG C of area, 130~170 DEG C of 2nd area, 140~170 DEG C of 3rd area, 140~170 DEG C of 4th area, five areas 150~180 DEG C, 150~180 DEG C of 6th area, 140~170 DEG C of 7th area, 140~170 DEG C of 8th area, head temperature be 140~170 DEG C, feed screw Rotating speed for 400~600rpm, main-machine screw rotating speed is 180~350rpm, obtains melt；The melt is cooled down and pelletizing, obtains the opening agent masterbatch composition.
- 8. the preparation method of plastic film open agent masterbatch composition as claimed in claim 7, which is characterized in that the low speed The rotating speed of stirring is 650rpm, and the rotating speed of high-speed stirred is 1300rpm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711483329.8A CN108219258A (en) | 2017-12-29 | 2017-12-29 | Plastic film open agent masterbatch composition and preparation method thereof |
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| CN201711483329.8A CN108219258A (en) | 2017-12-29 | 2017-12-29 | Plastic film open agent masterbatch composition and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181242A (en) * | 2018-08-23 | 2019-01-11 | 曹立军 | Plastic film opening agent master batch and preparation method thereof |
| CN115873342A (en) * | 2022-11-02 | 2023-03-31 | 得力集团有限公司 | Opening agent master batch for film field and preparation method |
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| CN103849051A (en) * | 2012-12-04 | 2014-06-11 | 青岛三利中德美水设备有限公司 | Multifunctional smooth master batches for polyethylene films and preparation method thereof |
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2017
- 2017-12-29 CN CN201711483329.8A patent/CN108219258A/en active Pending
Patent Citations (4)
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| CN103849051A (en) * | 2012-12-04 | 2014-06-11 | 青岛三利中德美水设备有限公司 | Multifunctional smooth master batches for polyethylene films and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109181242A (en) * | 2018-08-23 | 2019-01-11 | 曹立军 | Plastic film opening agent master batch and preparation method thereof |
| CN115873342A (en) * | 2022-11-02 | 2023-03-31 | 得力集团有限公司 | Opening agent master batch for film field and preparation method |
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Application publication date: 20180629 |