CN112812709A - Bonding resin for ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe - Google Patents

Bonding resin for ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe Download PDF

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Publication number
CN112812709A
CN112812709A CN202011566866.0A CN202011566866A CN112812709A CN 112812709 A CN112812709 A CN 112812709A CN 202011566866 A CN202011566866 A CN 202011566866A CN 112812709 A CN112812709 A CN 112812709A
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China
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bonding resin
composite pipe
steel wire
wire mesh
parts
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CN202011566866.0A
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Inventor
杨少辉
毕宏海
储江顺
孙晓光
黄健
李薇薇
李楠
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Shanghai Bangzhong New Material Co ltd
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Shanghai Bangzhong New Material Co ltd
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Priority to CN202011566866.0A priority Critical patent/CN112812709A/en
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04Homopolymers or copolymers of ethene
    • C09J123/08Copolymers of ethene
    • C09J123/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0869Acids or derivatives thereof
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04Homopolymers or copolymers of ethene
    • C09J123/08Copolymers of ethene
    • C09J123/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853Vinylacetate
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J151/00Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/06Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/18Applications used for pipes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides an anti-ultraviolet aging bonding resin for a steel wire mesh framework polyethylene composite pipe, which comprises the following components in parts by weight: 20-40 parts of modified polyethylene; 30-50 parts of a functional polymer; 10-20 parts of phenol resin; 1-10 parts of a filler; 1-3 parts of a stabilizer. The adhesive resin provided by the invention has higher peel strength and tensile strength, higher adhesive strength, excellent ultraviolet aging resistance, higher mechanical property retention rate after long-time sunlight irradiation, great significance for the reinforced production of the composite pipe, longer service life of the prepared steel wire mesh framework polyethylene composite pipe due to the excellent ultraviolet aging resistance, and great promotion on the reinforced production and the service life extension of the composite pipe.

Description

Bonding resin for ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe
Technical Field
The invention relates to the technical field of bonding resin, in particular to bonding resin for an ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe.
Background
In the production of the steel wire mesh framework polyethylene composite pipe, the main function of the adhesive resin is to adhere a nonpolar polyethylene layer and a steel wire layer. However, the adhesive resin is often aged by external environmental factors such as light, heat, oxygen, moisture, toxic and harmful gases, microorganisms, and the like during processing, storage, and use. Aging not only causes the appearance quality to be poor, but also causes the physical and chemical properties to be changed irreversibly, which is specifically expressed as the reduction of mechanical properties, and finally, the use value is lost due to the reduction of use performance, the structure of the steel wire mesh framework polyethylene composite pipe is damaged, and hidden troubles are buried for safe production. Ultraviolet light is a main influence factor causing aging of the steel wire mesh reinforced composite pipe, so that in the production process of the composite pipe, the bonding resin is required to have ultraviolet aging resistance.
The ultraviolet aging resistant adhesive resin for the steel wire mesh framework polyethylene composite pipe guarantees the structural stability of the composite pipe, and more importantly, has a great promoting effect on the long-term application stability of the composite pipe in different environments. Therefore, with the development of the composite pipeline industry and the bonding technology, the bonding resin for the ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe becomes a preferred product for producing the steel wire mesh reinforced composite pipe, and the ultraviolet aging resistant performance of the bonding resin also becomes a main problem considered by production enterprises.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides the adhesive resin for the steel wire mesh framework polyethylene composite pipe, which has excellent ultraviolet aging resistance and strong adhesive property, and the preparation method and the application thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an anti-ultraviolet aging bonding resin for a steel wire mesh framework polyethylene composite pipe, which comprises the following components in parts by mass:
Figure BDA0002860910830000011
Figure BDA0002860910830000021
further, the modified polyethylene is maleic anhydride modified linear low density polyethylene.
Further, the density of the maleic anhydride modified linear low density polyethylene is 0.920 to 0.940g/cm3And a melt index of 1.0 to 4.0g/10min at 190 ℃ under a pressure of 2.16 kg.
Further, the maleic anhydride grafting ratio of the maleic anhydride-modified linear low density polyethylene is 1.0 to 1.2%.
Further, the functional polymer is selected from one or more of ethylene-acrylic acid copolymer, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-methyl methacrylate copolymer and ethylene-butyl acrylate copolymer.
Further, the filler is selected from one or more of glass fiber, diphenyl ketone compounds and talcum powder.
Further, the stabilizer is selected from one or more of an antioxidant, an anti-ultraviolet agent, an anti-aging agent and a heat stabilizer.
The second aspect of the present invention provides a method for preparing the bonding resin, comprising the following steps:
step one, weighing modified polyethylene, functional polymer, phenol resin, filler and stabilizer according to parts by mass, adding all the components into a high-speed mixing roll, and uniformly mixing to obtain a material;
and step two, adding the material into a double-screw extruder to extrude material strips, cooling the material strips to room temperature through a circulating water tank, drying the cooled material strips through a blower, and adding the dried material strips into a granulator for granulation.
Further, the temperature of each temperature zone of the extruded material strip of the double-screw extruder is 190-230 ℃.
The third aspect of the invention is to provide the application of the bonding resin in preparing the steel wire mesh framework polyethylene composite pipe.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the bonding resin for the ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe, provided by the invention, is prepared by mixing modified polyethylene, a functional polymer, phenol resin, a filler and a stabilizer according to the specified mass parts, and molding the mixture through a double-screw extruder and a granulator, wherein the peel strength and the tensile strength of the prepared bonding resin are in higher levels, the bonding strength is higher, the bonding resin has excellent ultraviolet aging resistance, the mechanical property retention rate is higher after long-time sunlight irradiation, the bonding resin is an excellent bonding resin for the steel wire mesh framework polyethylene composite pipe, and the bonding resin has great significance for the reinforced production of the composite pipe.
Detailed Description
The invention provides an anti-ultraviolet aging bonding resin for a steel wire mesh framework polyethylene composite pipe, which comprises the following components in parts by weight:
Figure BDA0002860910830000031
in a preferred embodiment of the present invention, the modified polyethylene is maleic anhydride modified linear low density polyethylene.
In a preferred embodiment of the present invention, the maleic anhydride-modified linear low density polyethylene has a density of 0.920 to 0.940g/cm3And a melt index of 1.0 to 4.0g/10min at 190 ℃ under a pressure of 2.16 kg.
In a preferred embodiment of the present invention, the maleic anhydride-modified linear low density polyethylene has a maleic anhydride graft ratio of 1.0 to 1.2%.
In a preferred embodiment of the present invention, the functional polymer is selected from one or more of ethylene-acrylic acid copolymer, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-methyl methacrylate copolymer, and ethylene-butyl acrylate copolymer.
In a preferred embodiment of the present invention, the filler is one or more selected from glass fiber, benzophenone compounds, and talc.
In a preferred embodiment of the present invention, the stabilizer is selected from one or more of antioxidants, anti-ultraviolet agents, anti-aging agents, and heat stabilizers.
The preparation method of the bonding resin comprises the following steps:
step one, weighing modified polyethylene, functional polymer, phenol resin, filler and stabilizer according to parts by mass, adding all the components into a high-speed mixing roll, and uniformly mixing to obtain a material;
and step two, adding the material into a double-screw extruder to extrude material strips, cooling the material strips to room temperature through a circulating water tank, drying the cooled material strips through a blower, and adding the dried material strips into a granulator for granulation.
In a preferred embodiment of the invention, the temperature of each temperature zone of the extruded strand of the twin-screw extruder is 190-230 ℃.
The present invention will be described in detail and specifically with reference to the following examples to facilitate better understanding of the present invention, but the following examples do not limit the scope of the present invention.
Example 1
The embodiment provides an ultraviolet aging resistant bonding resin for a steel wire mesh framework polyethylene composite pipe, which comprises the following components in parts by mass:
Figure BDA0002860910830000041
wherein the density of the maleic anhydride modified linear low-density polyethylene is 0.935g/cm3The melt index is 3.0g/10min (190 ℃, under the pressure of 2.16 kg), and the grafting rate of the maleic anhydride is 1.1 percent; in the ethylene-acrylic acid copolymer, the content of acrylic acid is 15 percentA melt index of 4.0g/10min (190 ℃, under 2.16kg pressure); the stabilizer is an anti-ultraviolet agent and an anti-aging agent, and the mass ratio is 1: 1.
The preparation method of the bonding resin comprises the following steps:
step one, weighing all components according to the mass parts, adding all the components into a high-speed mixing roll, and uniformly mixing to obtain a material;
and step two, adding the material into a double-screw extruder to extrude material strips, wherein the temperature of each temperature zone of the double-screw extruder is 190-230 ℃, cooling the material strips to room temperature through a circulating water tank, drying the cooled material strips through a blower, and adding the dried material strips into a granulator for granulation.
Example 2
The embodiment provides an ultraviolet aging resistant bonding resin for a steel wire mesh framework polyethylene composite pipe, which comprises the following components in parts by mass:
Figure BDA0002860910830000042
Figure BDA0002860910830000051
wherein the density of the maleic anhydride modified linear low-density polyethylene is 0.935g/cm3The melt index is 2.0g/10min (190 ℃, under the pressure of 2.16 kg), and the grafting rate of the maleic anhydride is 1.0 percent; in the ethylene-vinyl acetate copolymer, the content of vinyl acetate was 18%, and the melt index was 6.0g/10min (190 ℃ C., under a pressure of 2.16 kg); the stabilizer is an anti-ultraviolet agent and an anti-aging agent, and the mass ratio is 1: 1.
The preparation method of the bonding resin comprises the following steps:
step one, weighing all components according to the mass parts, adding all the components into a high-speed mixing roll, and uniformly mixing to obtain a material;
and step two, adding the material into a double-screw extruder to extrude material strips, wherein the temperature of each temperature zone of the double-screw extruder is 190-230 ℃, cooling the material strips to room temperature through a circulating water tank, drying the cooled material strips through a blower, and adding the dried material strips into a granulator for granulation.
Example 3
The embodiment provides an ultraviolet aging resistant bonding resin for a steel wire mesh framework polyethylene composite pipe, which comprises the following components in parts by mass:
Figure BDA0002860910830000052
wherein the density of the maleic anhydride modified linear low-density polyethylene is 0.935g/cm3The melt index is 4.0g/10min (190 ℃, under the pressure of 2.16 kg), and the grafting rate of the maleic anhydride is 1.0 percent; in the ethylene-methyl methacrylate copolymer, the content of methyl methacrylate was 12%, and the melt index was 12.0g/10min (190 ℃ C., under a pressure of 2.16 kg); the stabilizer is an anti-ultraviolet agent and an anti-aging agent, and the mass ratio is 2: 1.
The preparation method of the bonding resin comprises the following steps:
step one, weighing all components according to the mass parts, adding all the components into a high-speed mixing roll, and uniformly mixing to obtain a material;
and step two, adding the material into a double-screw extruder to extrude material strips, wherein the temperature of each temperature zone of the double-screw extruder is 190-230 ℃, cooling the material strips to room temperature through a circulating water tank, drying the cooled material strips through a blower, and adding the dried material strips into a granulator for granulation.
Verification examples
In the embodiment, the bonding resin for the ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe provided by the embodiments 1 to 3 is tested, and the peel strength and the tensile strength of the bonding resin after ultraviolet aging are verified. The specific test method comprises the following steps:
the adhesive resin provided in the embodiments 1 to 3 is tested by the method specified in the method a in GB/T16422.3-2014, the adhesive resin provided in the embodiments 1 to 3 is placed in an ultraviolet aging box, an UVA-340 light source is selected to simulate the ultraviolet part in sunlight, the irradiance is set to be 0.76w.m-2.nm-1, aging is performed for 1000 hours, and then the adhesive resin is taken out to test the peel strength and the tensile strength, and the test results are shown in table 1.
TABLE 1 peel strength and tensile strength after aging of the adhesive resin
Figure BDA0002860910830000061
As shown in table 1, the peel strength retention rate of the adhesive resin for the ultraviolet aging resistant steel mesh framework polyethylene composite pipe prepared in examples 1 to 3 after an aging test is greater than or equal to 80%, and the tensile strength retention rate is greater than 90%, which indicates that the adhesive resin for the ultraviolet aging resistant steel mesh framework polyethylene composite pipe provided by the invention has excellent ultraviolet aging resistance, the peel strength and the tensile strength of the adhesive resin are both in a higher level, and the adhesive resin has a higher mechanical property retention rate after an ultraviolet aging test, and can well solve the problem of ultraviolet aging resistance of a steel mesh framework reinforced polyethylene composite pipe.
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 (10)

1. The adhesive resin for the ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe is characterized by comprising the following components in parts by mass:
Figure FDA0002860910820000011
2. the bonding resin according to claim 1, wherein the modified polyethylene is maleic anhydride-modified linear low density polyethylene.
3. The bonding resin according to claim 2, wherein the maleic anhydride-modified linear low density polyethylene has a density of 0.920 to 0.940g/cm3And a melt index of 1.0 to 4.0g/10min at 190 ℃ under a pressure of 2.16 kg.
4. The bonding resin according to claim 2, wherein the maleic anhydride-modified linear low density polyethylene has a maleic anhydride graft ratio of 1.0 to 1.2%.
5. The bonding resin as claimed in claim 1, wherein the functional polymer is one or more selected from ethylene-acrylic acid copolymer, ethylene-vinyl acetate copolymer, ethylene-ethyl acrylate copolymer, ethylene-methyl methacrylate copolymer, and ethylene-butyl acrylate copolymer.
6. The bonding resin according to claim 1, wherein the filler is one or more selected from the group consisting of glass fiber, benzophenone compounds, and talc.
7. The bonding resin according to claim 1, wherein the stabilizer is one or more selected from the group consisting of an antioxidant, an anti-ultraviolet agent, an anti-aging agent, and a heat stabilizer.
8. A method for preparing the adhesive resin according to any one of claims 1 to 7, comprising the steps of:
step one, weighing modified polyethylene, functional polymer, phenol resin, filler and stabilizer according to the mass parts, adding all the components into a high-speed mixing roll, and uniformly mixing to obtain a material;
and step two, adding the material into a double-screw extruder to extrude material strips, cooling the material strips to room temperature through a circulating water tank, drying the cooled material strips through a blower, and adding the dried material strips into a granulator for granulation.
9. The method as claimed in claim 8, wherein the temperature of each temperature zone of the extruded strand of the twin-screw extruder is 190-230 ℃.
10. Use of the bonding resin according to any one of claims 1 to 7 in the preparation of a steel wire mesh framework polyethylene composite pipe.
CN202011566866.0A 2020-12-25 2020-12-25 Bonding resin for ultraviolet aging resistant steel wire mesh framework polyethylene composite pipe Pending CN112812709A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115612424A (en) * 2022-12-21 2023-01-17 广州鹿山新材料股份有限公司 High-temperature-resistant adhesive and preparation method and application thereof
CN117283880A (en) * 2023-11-24 2023-12-26 中投(天津)智能管道股份有限公司 Seamless hot-melting sleeve heat-insulation joint coating process

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040097637A1 (en) * 2002-11-19 2004-05-20 Botros Maged G. Adhesive compositions having improved performance
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
CN108264873A (en) * 2016-12-30 2018-07-10 上海邦中新材料有限公司 A kind of water-fast special bonding resin of steel-plastics composite pipe and its preparation method and application

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040097637A1 (en) * 2002-11-19 2004-05-20 Botros Maged G. Adhesive compositions having improved performance
CN108264873A (en) * 2016-12-30 2018-07-10 上海邦中新材料有限公司 A kind of water-fast special bonding resin of steel-plastics composite pipe and its preparation method and application
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115612424A (en) * 2022-12-21 2023-01-17 广州鹿山新材料股份有限公司 High-temperature-resistant adhesive and preparation method and application thereof
CN117283880A (en) * 2023-11-24 2023-12-26 中投(天津)智能管道股份有限公司 Seamless hot-melting sleeve heat-insulation joint coating process
CN117283880B (en) * 2023-11-24 2024-02-13 中投(天津)智能管道股份有限公司 Seamless hot-melting sleeve heat-insulation joint coating process

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