CN111040289A - Adhesive resin for polyethylene cast co-extrusion film and preparation method thereof - Google Patents
Adhesive resin for polyethylene cast co-extrusion film and preparation method thereof Download PDFInfo
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- CN111040289A CN111040289A CN201911378242.3A CN201911378242A CN111040289A CN 111040289 A CN111040289 A CN 111040289A CN 201911378242 A CN201911378242 A CN 201911378242A CN 111040289 A CN111040289 A CN 111040289A
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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
- C08J2323/08—Copolymers of ethene
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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
- C08J2400/00—Characterised by the use of unspecified polymers
- C08J2400/26—Elastomers
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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
- 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
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08K2201/014—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
- C08K3/34—Silicon-containing compounds
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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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
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids
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- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a bonding resin for a polyethylene casting co-extrusion film, which comprises the following components in parts by weight: 25-60 parts of linear low-density polyethylene, 30-50 parts of thermoplastic elastomer, 2-5 parts of maleic anhydride, 0.2-1 part of peroxide, 1-10 parts of plasticizer and 1-3 parts of filler. The invention also provides a preparation method of the adhesive resin for the polyethylene casting co-extrusion film. The adhesive resin for the polyethylene casting co-extrusion film, which is prepared by mixing the linear low-density polyethylene, the thermoplastic elastomer, the maleic anhydride, the peroxide, the plasticizer and the filler according to the specified weight parts and then processing, has good adhesive property and processing property, can meet the adhesive requirement of the polyethylene casting co-extrusion film, can also improve the processing property of the casting co-extrusion film, and well solves the problem in the production process of the casting co-extrusion film.
Description
Technical Field
The invention relates to the field of bonding resin, in particular to bonding resin for a polyethylene casting co-extrusion film and a preparation method thereof.
Background
The casting process is a common film production process, and the film produced by the process has the characteristics of no stretching and no orientation, and is commonly used for composite base material films and winding films. The polyethylene casting co-extrusion film is a film produced by using polyethylene as a raw material and a material with a functional type as an auxiliary material and by means of bonding resin co-extrusion casting, has the characteristics of softness, high flatness, good moisture resistance, good transparency and excellent heat sealing performance, and is widely used for manufacturing inner layer base materials of composite films and the like.
However, the problems of nonuniform transverse thickness, more crystal points of the film, violent ribs on the film roll, more white spots on the film surface, poor smoothness of the film, stripes, folds and the like of the film often occur in the production process of the casting co-extrusion film. The adhesive resin is used as a material for connecting different layers in the casting co-extrusion film, plays a good role in adhesion, is more important, and can be adjusted and solve the problems of the casting co-extrusion film through the performance of the adhesive resin. Therefore, the development of the adhesive resin for the polyethylene casting co-extrusion film has an important effect on the production of the polyethylene casting co-extrusion film.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bonding resin for a polyethylene casting co-extrusion film and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a bonding resin for a polyethylene casting co-extrusion film, which comprises the following components in parts by weight:
further, the linear low density polyethylene has a density of 0.920 to 0.940g/cm3The melt index of the polycarbonate resin is 2.0-9.0g/10min under the conditions of 190 ℃ and 2.16kg of pressure.
Further, the thermoplastic elastomer has a density of 0.890 to 0.900g/cm3The melt index of the polycarbonate resin is 4.0-6.0g/10min under the conditions of 190 ℃ and 2.16kg of pressure.
Further, the peroxide is benzoyl peroxide, cumene hydroperoxide, tert-butyl peroxybenzoate or di-tert-butyl peroxide.
Further, the plasticizer is one or more of dioctyl phthalate, di-n-octyl phthalate, butyl benzyl phthalate, di-sec-octyl phthalate, dicyclohexyl phthalate and dibutyl phthalate.
Further, the filler is one or more of calcium carbonate, silicon dioxide, barium sulfate and talcum powder.
The second aspect of the invention provides a preparation method of the adhesive resin for the polyethylene cast co-extrusion film, which comprises the following steps:
weighing linear low-density polyethylene, a thermoplastic elastomer, maleic anhydride, peroxide, a plasticizer and a filler in specified weight parts, adding the components into a high-speed mixing roll, and uniformly mixing;
and step two, adding the uniformly mixed material obtained in the step one into a double-screw extruder for extrusion, cooling the extruded material strips to room temperature through a circulating water tank, and feeding the cooled material strips into a granulator for granulation after air drying through a blower.
Further, the temperature of each temperature zone of the twin-screw extruder in the step two is 150-180 ℃.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
according to the invention, the adhesive resin for the polyethylene casting co-extrusion film, which is prepared by mixing the linear low-density polyethylene, the thermoplastic elastomer, the maleic anhydride, the peroxide, the plasticizer and the filler according to the specified weight parts and then processing, has good adhesive property and processing property, not only can meet the adhesive requirement of the polyethylene casting co-extrusion film, but also can improve the processing property of the casting co-extrusion film, and well solves the problems in the production process of the casting co-extrusion film.
Detailed Description
The invention provides a bonding resin for a polyethylene cast co-extrusion film and a preparation method thereof, and the invention is described in detail and concretely by specific examples below so as to better understand the invention, but the following examples do not limit the scope of the invention.
Example 1
The embodiment provides a preferable adhesive resin for a polyethylene casting co-extrusion film, which comprises the following components in parts by weight:
wherein the linear low density polyethylene has a density of 0.920g/cm3The melt index was 7.0g/10min (190 ℃ C., 2.16kg pressure).
The density of the thermoplastic elastomer is 0.890g/cm3The melt index was 4.0g/10min (190 ℃ C., 2.16kg pressure).
Example 2
The embodiment provides a preferable adhesive resin for a polyethylene casting co-extrusion film, which comprises the following components in parts by weight:
wherein the linear low density polyethylene has a density of 0.920g/cm3The melt index was 5.0g/10min (190 ℃ C., 2.16kg pressure).
The density of the thermoplastic elastomer was 0.890g/cm3The melt index was 6.0g/10min (190 ℃ C., 2.16kg pressure).
Example 3
The embodiment provides a preferable adhesive resin for a polyethylene casting co-extrusion film, which comprises the following components in parts by weight:
wherein the linear low density polyethylene has a density of 0.920g/cm3The melt index was 9.0g/10min (190 ℃ C., 2.16kg pressure).
The density of the thermoplastic elastomer was 0.890g/cm3The melt index was 5.0g/10min (190 ℃ C., 2.16kg pressure).
Example 4
The present embodiment provides a method for preparing a bonding resin for a polyethylene cast co-extrusion film in the above embodiments 1 to 3, which includes the following steps:
weighing linear low-density polyethylene, a thermoplastic elastomer, maleic anhydride, peroxide, a plasticizer and a filler in specified weight parts, adding the components into a high-speed mixing roll, and uniformly mixing;
and step two, adding the uniformly mixed material obtained in the step one into a double-screw extruder for extrusion, cooling the extruded material strips to room temperature through a circulating water tank, and feeding the cooled material strips into a granulator for granulation after air drying through a blower.
Wherein the temperature range of each temperature zone of the extruder is 150-180 ℃.
Verification examples
The performance test of the adhesive resin for the polyethylene casting co-extrusion film in the embodiment 1-3 is carried out, and the test results are as follows:
the detection result shows that the adhesive resin for the polyethylene casting co-extrusion film has good adhesive property and processability, can meet the adhesive requirement of the polyethylene casting co-extrusion film, can improve the processability of the casting co-extrusion film, and well solves the problems in the production process of the casting co-extrusion film.
TABLE 1 results of testing the Properties of the adhesive resins for cast polyethylene coextruded films in examples 1 to 3
The embodiments of the present invention have been described in detail, but the embodiments are merely examples, and the present invention is not limited to the embodiments described above. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be covered by the present invention.
Claims (8)
1. The adhesive resin for the polyethylene casting co-extrusion film is characterized by comprising the following components in parts by weight:
2. the bonding resin for cast co-extruded polyethylene film according to claim 1, wherein the linear low density polyethylene has a density of 0.920-0.940g/cm3The melt index of the polycarbonate resin is 2.0-9.0g/10min under the conditions of 190 ℃ and 2.16kg of pressure.
3. A tie resin for cast co-extruded polyethylene films according to claim 1, wherein the thermoplastic elastomer has a density of 0.890 to 0.900g/cm3The melt index of the polycarbonate resin is 4.0-6.0g/10min under the conditions of 190 ℃ and 2.16kg of pressure.
4. A tie resin for cast co-extruded polyethylene films as claimed in claim 1, wherein said peroxide is benzoyl peroxide, cumene hydroperoxide, t-butyl peroxybenzoate or di-t-butyl peroxide.
5. The tie resin for cast co-extruded polyethylene films according to claim 1, wherein the plasticizer is one or more of dioctyl phthalate, di-n-octyl phthalate, butyl benzyl phthalate, di-sec-octyl phthalate, dicyclohexyl phthalate and dibutyl phthalate.
6. The adhesive resin for the cast and co-extruded polyethylene film as claimed in claim 1, wherein the filler is one or more of calcium carbonate, silica, barium sulfate and talcum powder.
7. A method for preparing the bonding resin for the polyethylene casting co-extrusion film according to any one of the claims 1 to 6, which is characterized by comprising the following steps:
weighing the linear low-density polyethylene, the thermoplastic elastomer, the maleic anhydride, the peroxide, the plasticizer and the filler in specified weight parts, adding the components into a high-speed mixing roll, and uniformly mixing;
and step two, adding the uniformly mixed material obtained in the step one into a double-screw extruder for extrusion, cooling the extruded material strips to room temperature through a circulating water tank, and feeding the cooled material strips into a granulator for granulation after air drying through a blower.
8. The method for preparing the adhesive resin for the cast and co-extruded polyethylene film as claimed in claim 7, wherein the temperature of each temperature zone of the twin-screw extruder in the second step is 150-180 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378242.3A CN111040289A (en) | 2019-12-27 | 2019-12-27 | Adhesive resin for polyethylene cast co-extrusion film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378242.3A CN111040289A (en) | 2019-12-27 | 2019-12-27 | Adhesive resin for polyethylene cast co-extrusion film and preparation method thereof |
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| CN111040289A true CN111040289A (en) | 2020-04-21 |
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| CN201911378242.3A Pending CN111040289A (en) | 2019-12-27 | 2019-12-27 | Adhesive resin for polyethylene cast co-extrusion film and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449469A (en) * | 2014-11-28 | 2015-03-25 | 河源市普立隆新材料科技有限公司 | Method for preparing polyethylene type adhesive resin for multilayer co-extrusion barrier package |
| CN108178997A (en) * | 2017-12-26 | 2018-06-19 | 上海邦中新材料有限公司 | A kind of multi-layer co-extruded packaging material adhering resin and preparation method thereof |
-
2019
- 2019-12-27 CN CN201911378242.3A patent/CN111040289A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104449469A (en) * | 2014-11-28 | 2015-03-25 | 河源市普立隆新材料科技有限公司 | Method for preparing polyethylene type adhesive resin for multilayer co-extrusion barrier package |
| CN108178997A (en) * | 2017-12-26 | 2018-06-19 | 上海邦中新材料有限公司 | A kind of multi-layer co-extruded packaging material adhering resin and preparation method thereof |
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Application publication date: 20200421 |
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