CN108556445B - High-adhesion three-layer co-extrusion film for steel-aluminum-plastic composite belt and preparation method thereof - Google Patents
High-adhesion three-layer co-extrusion film for steel-aluminum-plastic composite belt and preparation method thereof Download PDFInfo
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- CN108556445B CN108556445B CN201810288765.8A CN201810288765A CN108556445B CN 108556445 B CN108556445 B CN 108556445B CN 201810288765 A CN201810288765 A CN 201810288765A CN 108556445 B CN108556445 B CN 108556445B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/085—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses a high-adhesion three-layer co-extrusion film for a steel-aluminum-plastic composite belt and a preparation method thereof, wherein the three-layer co-extrusion film comprises three layers of a layer A, a layer B and a layer C, the layer A is attached to the steel-aluminum belt, the layer B is a middle layer, the layer C is adhered to a Polyethylene (PE) sheath, and the layer A comprises the following components in percentage by weight: 40% of Linear Low Density Polyethylene (LLDPE), 25% of ethylene-vinyl acetate copolymer (EVA), 15% of maleic anhydride grafted Linear Low Density Polyethylene (LLDPE) and 20% of Low Density Polyethylene (LDPE); the B layer comprises the following components in percentage by weight: 70% of Linear Low Density Polyethylene (LLDPE), 25% of Low Density Polyethylene (LDPE) and 5% of bright green master batch; the layer C comprises the following components in percentage by weight: metallocene-based linear low density polyethylene (MLLDPE) 70%, Low Density Polyethylene (LDPE) 23%, ethylene-vinyl acetate copolymer (EVA) 7%. The high-adhesion three-layer co-extrusion film A layer for the steel-aluminum-plastic composite belt is a hot-sticking layer, and the peel strength of the high-adhesion three-layer co-extrusion film A layer after being hot-stuck with the steel-aluminum belt can reach more than 8N/cm.
Description
Technical Field
The invention relates to the technical field of communication materials, in particular to a high-adhesion three-layer co-extrusion film for a steel-aluminum-plastic composite belt and a preparation method thereof.
Background
In general, the steel-aluminum-plastic composite belt requires good adhesion between the plastic film and the metal belt in the processing process, and the good adhesion needs to be realized. The current ideal blown film material is ethylene acrylic acid copolymer (EAA) or methyl ethylene acrylic acid copolymer (EMAA), which are polar materials, can be well bonded with a steel base belt, have good compatibility with a sheathing material, but have relatively high price.
The price of the high-temperature film commonly used in the market is relatively reduced, but the bonding performance of the high-temperature film and the steel-aluminum belt is not stable, and the peel strength of the processed steel-aluminum-plastic composite belt is lower than the national standard of 6.13N/cm, generally between 5N/cm and 6N/cm, and the product requirement cannot be met.
Disclosure of Invention
The invention aims to provide a high-adhesion three-layer co-extrusion film for a steel-aluminum-plastic composite belt and a preparation method thereof aiming at the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a steel aluminium-plastic composite is high bonding three-layer coextrusion membrane for area, includes A layer, B layer and C layer three-layer, and A layer and steel aluminium area are pasted mutually, and B layer is the intermediate level, and C layer and Polyethylene (PE) sheath are pasted mutually, and A layer is according to the part by weight: comprises the following components: 40 parts of linear low-density polyethylene (LLDPE), 25 parts of ethylene-vinyl acetate copolymer (EVA), 15 parts of maleic anhydride grafted linear low-density polyethylene (LLDPE) and 20 parts of low-density polyethylene (LDPE); the B layer comprises the following components in parts by weight: comprises the following components: 70 parts of Linear Low Density Polyethylene (LLDPE), 25 parts of Low Density Polyethylene (LDPE) and 5 parts of bright green master batch; the layer C comprises the following components in parts by weight: comprises the following components: 70 parts of metallocene-based linear low-density polyethylene (MLLDPE), 23 parts of low-density polyethylene (LDPE) and 7 parts of ethylene-vinyl acetate copolymer (EVA).
Wherein the thickness of the A layer accounts for 25% of the total thickness of the A layer, the B layer and the C layer; the thickness of the B layer accounts for 50% of the total thickness of the A layer, the B layer and the C layer; the thickness of the C layer accounts for 25% of the total thickness of the A layer, the B layer and the C layer.
Wherein the total thickness of the three-layer co-extrusion film of the layer A, the layer B and the layer C is 0.05 mm.
A preparation method of a high-adhesion three-layer co-extrusion film for a steel-aluminum-plastic composite belt comprises the steps of blowing the film by using a three-layer co-extrusion film blowing machine, wherein a layer A is subjected to corona treatment in the film blowing process, and the corona current of the layer A is 4.5A.
The invention has the beneficial effects that: 1. the high-adhesion three-layer co-extrusion film for the steel-aluminum-plastic composite belt is divided into three layers, wherein the three layers are integrated, so that the cost of the middle layer B can be greatly reduced; 2. the high-adhesion three-layer co-extrusion film A layer for the steel-aluminum-plastic composite belt is a hot-sticking layer, and the peel strength of the high-adhesion three-layer co-extrusion film A layer after being hot-stuck with the steel-aluminum belt is greater than the national standard of 6.13N/cm and can reach more than 8N/cm; 3. after the optical cable is manufactured, the C layer and the PE sheath are well bonded, and the strength can reach more than 20N/cm; 4. the heat sealing strength of the steel-aluminum-plastic composite belt processed by the high-adhesion three-layer co-extrusion film is not less than 23N/cm; 5. the cost is obviously reduced and is reduced by 45 percent compared with the film taking EAA as the raw material.
Drawings
FIG. 1 is a schematic diagram of a PE sheath layer and a steel-aluminum-plastic composite tape after being made into an optical cable.
In the figure, 1-A layer; 2-B layer; 3-C layer; 4-steel aluminium strip; 5-Polyethylene (PE) jacket.
Detailed Description
The invention discloses a high-adhesion three-layer co-extrusion film for a steel-aluminum-plastic composite belt, which comprises three layers of a layer A1, a layer B2 and a layer C3, wherein the layer A1 is adhered to a steel-aluminum belt 4, the layer B2 is a middle layer, the layer C3 is adhered to a Polyethylene (PE) sheath 5, and the layer A1 comprises the following components in percentage by weight: 40% of Linear Low Density Polyethylene (LLDPE), 25% of ethylene-vinyl acetate copolymer (EVA), 15% of maleic anhydride grafted Linear Low Density Polyethylene (LLDPE) and 20% of Low Density Polyethylene (LDPE); the most critical starting material in layer a 1 is maleic anhydride grafted linear low density polyethylene, preferably OE825 of arkema, france. The adhesive has super-strong polar groups, and has good compatibility with Low Density Polyethylene (LDPE) and Linear Low Density Polyethylene (LLDPE), so that the adhesive has high peel strength after being adhered to metal. The B layer 2 comprises the following components in percentage by weight: 70% of Linear Low Density Polyethylene (LLDPE), 25% of Low Density Polyethylene (LDPE) and 5% of bright green master batch. The C layer 3 comprises the following components in percentage by weight: the key point of the C layer 3 is that the strength of the film is enhanced by using the metallocene-based linear low density polyethylene (MLLDPE).
Wherein the thickness of the A layer 1 is 0.0125; the thickness of the B layer 2 is 0.025; the thickness of the C layer 3 is 0.0125 mm.
In addition, the invention also discloses a preparation method of the high-adhesion three-layer co-extrusion film for the steel-aluminum-plastic composite belt, wherein a three-layer co-extrusion film blowing machine is used for blowing the film, the layer A adopts a corona treatment process in the film blowing process, and the corona current of the layer A is 4.5A.
In the method, the high-adhesion three-layer co-extrusion film for the steel-aluminum-plastic composite belt is divided into three layers, wherein the three layers are integrated, so that the cost of the middle layer B can be greatly reduced; the high-adhesion three-layer co-extrusion film A layer for the steel-aluminum-plastic composite belt is a hot-sticking layer, and the peel strength of the high-adhesion three-layer co-extrusion film A layer after being hot-stuck with the steel-aluminum belt is greater than the national standard of 6.13N/cm and can reach more than 8N/cm; after the optical cable is manufactured, the C layer and the PE sheath are well bonded, and the strength can reach more than 20N/cm; the heat sealing strength of the steel-aluminum-plastic composite belt processed by the high-adhesion three-layer co-extrusion film is not less than 23N/cm; the cost is obviously reduced and is reduced by 45 percent compared with the film taking EAA as the raw material.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (2)
1. A high-adhesion three-layer co-extrusion film for a steel-aluminum-plastic composite belt comprises three layers, namely an A layer (1), a B layer (2) and a C layer (3); the steel-aluminum composite plate is characterized in that the layer A (1) is attached to a steel-aluminum strip (4), the layer B (2) is a middle layer, and the layer C (3) is adhered to a Polyethylene (PE) sheath (5), and the steel-aluminum composite plate is characterized in that the layer A (1) comprises the following components in parts by weight: the paint consists of the following components: 40 parts of linear low-density polyethylene (LLDPE), 25 parts of ethylene-vinyl acetate copolymer (EVA), 15 parts of maleic anhydride grafted linear low-density polyethylene (LLDPE) and 20 parts of low-density polyethylene (LDPE); the layer B (2) comprises the following components in parts by weight: the paint consists of the following components: 70 parts of Linear Low Density Polyethylene (LLDPE), 25 parts of Low Density Polyethylene (LDPE) and 5 parts of bright green master batch; the C layer (3) comprises the following components in parts by weight: the paint consists of the following components: 70 parts of metallocene-based linear low-density polyethylene (MLLDPE), 23 parts of low-density polyethylene (LDPE) and 7 parts of ethylene-vinyl acetate copolymer (EVA);
the thickness of the layer A (1) accounts for 25% of the total thickness of the layer A (1), the layer B (2) and the layer C (3); the thickness of the B layer (2) accounts for 50% of the total thickness of the A layer (1), the B layer (2) and the C layer (3); the thickness of the C layer (3) accounts for 25% of the total thickness of the A layer (1), the B layer (2) and the C layer (3);
the total thickness of the three-layer co-extrusion film of the layer A (1), the layer B (2) and the layer C (3) is 0.05 mm.
2. The preparation method of the high-adhesion three-layer co-extrusion film for the steel-aluminum-plastic composite belt according to claim 1, wherein a three-layer co-extrusion film blowing machine is used for film blowing, and is characterized in that the layer A (1) is subjected to corona treatment in the film blowing process, and the corona current of the layer A is 4.5A.
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| CN201810288765.8A CN108556445B (en) | 2018-03-30 | 2018-03-30 | High-adhesion three-layer co-extrusion film for steel-aluminum-plastic composite belt and preparation method thereof |
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| CN201810288765.8A CN108556445B (en) | 2018-03-30 | 2018-03-30 | High-adhesion three-layer co-extrusion film for steel-aluminum-plastic composite belt and preparation method thereof |
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| CN108556445B true CN108556445B (en) | 2020-03-24 |
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| CN110982442B (en) * | 2019-12-31 | 2020-08-25 | 常州都铂高分子有限公司 | High-performance adhesive film and production process thereof |
| CN111732783A (en) * | 2020-07-08 | 2020-10-02 | 上海叶心材料科技有限公司 | Metallocene linear low density polyethylene reinforced wire and cable sheath |
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| CN1597304A (en) * | 2004-08-16 | 2005-03-23 | 中国科学院长春应用化学研究所 | Preparation method of self-adhesive polyethylene base protection film |
| CN1772462A (en) * | 2005-10-24 | 2006-05-17 | 广州市鹿山化工材料有限公司 | Three-layer co-extruded composite film for athesion of metal plate and non-metal plate |
| CN101429413A (en) * | 2008-11-18 | 2009-05-13 | 广州市鹿山化工材料有限公司 | Double-layer composite hot melt adhesive film for bonding metal and plastic |
| CN109207073A (en) * | 2018-08-30 | 2019-01-15 | 上海邦中高分子材料股份有限公司 | A kind of three layers of composite hot melt adhesive film and its processing technology for metal and polar functionalities plastic bonding |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103029388B (en) * | 2012-12-27 | 2015-05-06 | 广东众和化塑有限公司 | Three-layer coextrusion heavy packaging membrane and fabrication method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597304A (en) * | 2004-08-16 | 2005-03-23 | 中国科学院长春应用化学研究所 | Preparation method of self-adhesive polyethylene base protection film |
| CN1772462A (en) * | 2005-10-24 | 2006-05-17 | 广州市鹿山化工材料有限公司 | Three-layer co-extruded composite film for athesion of metal plate and non-metal plate |
| CN101429413A (en) * | 2008-11-18 | 2009-05-13 | 广州市鹿山化工材料有限公司 | Double-layer composite hot melt adhesive film for bonding metal and plastic |
| CN109207073A (en) * | 2018-08-30 | 2019-01-15 | 上海邦中高分子材料股份有限公司 | A kind of three layers of composite hot melt adhesive film and its processing technology for metal and polar functionalities plastic bonding |
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Effective date of registration: 20230327 Address after: 225400 Tongzhan Road, Huangqiao Industrial Park, Taixing City, Jiangsu Province Patentee after: JIANGSU NINESKY OPTOELECTRONICS TECHNOLOGY CO.,LTD. Patentee after: ZHENJIANG DONGFANG ELECTRIC HEATING TECHNOLOGY CO.,LTD. Address before: 225400 East of Tongzhan Road, Industrial Park, Huangqiao Town, Taizhou City, Jiangsu Province Patentee before: JIANGSU NINESKY OPTOELECTRONICS TECHNOLOGY CO.,LTD. |
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