CN110982459A - Adhesive resin for PVF composite pipeline and preparation method thereof - Google Patents
Adhesive resin for PVF composite pipeline and preparation method thereof Download PDFInfo
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- CN110982459A CN110982459A CN201911378136.5A CN201911378136A CN110982459A CN 110982459 A CN110982459 A CN 110982459A CN 201911378136 A CN201911378136 A CN 201911378136A CN 110982459 A CN110982459 A CN 110982459A
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- Prior art keywords
- pvf
- resin
- bonding resin
- pvf composite
- parts
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives 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
- C09J151/06—Adhesives 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives 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
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- 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
-
- 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
- C08L2207/04—Thermoplastic elastomer
Abstract
The invention discloses a bonding resin for a PVF composite pipeline and a preparation method thereof, wherein the bonding resin for the PVF composite pipeline comprises the following components in parts by weight: 25-40 parts of modified linear low-density polyethylene, 20-50 parts of ethylene-vinyl acetate copolymer, 10-30 parts of thermoplastic elastomer, 1-10 parts of plasticizer and 1-10 parts of tackifier. The application provides a PVF composite pipe is with bonding resin can improve PVF material and other firm degrees of material bonding, reduction PVF composite pipe's that can also be great manufacturing cost.
Description
Technical Field
The invention relates to bonding resin, in particular to bonding resin for a PVF composite pipeline and a preparation method thereof.
Background
The PVF pipe is a pipe produced by using polyvinyl fluoride as a material, and the PVF resin has the characteristics of fluororesin and general resin, and has special performances such as piezoelectricity, dielectricity, thermoelectricity and the like besides good chemical corrosion resistance, high temperature resistance, oxidation resistance, weather resistance and ray radiation resistance.
At present, the material of the high-purity water and ultrapure water conveying pipelines adopts PVF pipeline pipes, and the PVF pipelines have good chemical stability, cleanliness, smoothness and other properties, so the PVF pipelines are widely applied to the microelectronic industry, and good social and economic benefits are obtained. The PVF pipeline has good chemical stability, chemical corrosion resistance and heat resistance stability, can be used for a long time within the temperature range of minus 62 ℃ to 150 ℃, and can resist all mediums such as salt, acid, alkali, aromatic hydrocarbon, halogen and the like except a strong solvent. The PVF pipeline also has the characteristics of flame retardance, fatigue resistance, difficulty in breaking, abrasion resistance, good self-lubricating property and the like, and is a good insulating material. When the temperature and the pressure exist simultaneously, the performance of the plastic pipe is far superior to that of other plastic pipes. The conveying device is mainly used for conveying corrosive media in the fields of waste acid recovery and regeneration in the smelting industry and the like.
And PVF is one of fluorocarbon materials, has strong polarity, is difficult to bond with most thermoplastic materials, and greatly limits the application of PVF on a composite pipeline.
Therefore, it is an important research direction to provide a bonding technique to improve the bonding strength between the PVF material and other materials.
Disclosure of Invention
The present invention has been made to solve the above-mentioned problems occurring in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a bonding resin for a PVF composite pipeline, which comprises the following components in parts by weight:
preferably, the composition comprises the following components in parts by weight:
preferably, the modified linear low density polyethylene is acrylic acid and maleic anhydride modified linear low density polyethylene, and the density of the modified linear low density polyethylene is in the range of 0.920-0.930g/cm3(ii) a The temperature is 190 ℃ and the pressure is 2.16kg/m2When the melt index is in the range of 1.0 to 4.0g/10 min.
Preferably, the modified linear low density polyethylene has a grafting ratio of 2.0 to 3.0%.
Preferably, the ethylene-vinyl acetate copolymer has a vinyl acetate content in the range of 10 to 33%.
Preferably, said thermoplastic elastomer is a thermoplastic elastomer having a density in the range of 0.890 to 0.900g/cm3(ii) a The temperature is 190 ℃ and the pressure is 2.16kg/m2When the melt index is in the range of 4.0 to 6.0g/10 min.
Preferably, 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.
Preferably, the tackifier is one or more of terpene resin, phenolic resin, C5 hydrogenated petroleum resin and rosin petroleum resin.
The invention also provides a preparation method of the bonding resin for the PVF composite pipeline, which comprises the following steps:
1) weighing ethylene-vinyl acetate copolymer, modified linear low-density polyethylene, thermoplastic elastomer, plasticizer and tackifier in specified weight parts, adding the components into a high-speed mixing roll, and uniformly mixing;
2) and adding the uniformly mixed materials into a double-screw extruder for extrusion, cooling the extruded material strips to room temperature through a circulating water tank, and feeding the extruded material strips into a granulator for granulation after air drying through a blower.
Preferably, the temperature range of each temperature zone of the extruder in the step (2) is 150-230 ℃.
By adopting the technical scheme, compared with the prior art, the invention has the following technical effects:
the bonding resin for bonding the PVF composite pipeline provided by the invention can improve the bonding firmness degree of the PVF material and other materials, can also greatly reduce the production cost of the PVF composite pipeline, provides more possibilities for the design of the PVF composite pipeline structure, and widens the structural type of the PVF composite pipeline.
Detailed Description
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 a bonding resin for a PVF composite pipeline, which comprises the following components in parts by weight:
40 portions of modified linear low-density polyethylene
Ethylene-vinyl acetate copolymer 30 parts
15 parts of thermoplastic elastomer
Plasticizer 5 parts
Tackifier 10 parts
In this example, the modified linear low density polyethylene had a density of 0.920g/cm3The melt index was 2.0g/10min (190 ℃, 2.16 kg/m)2Under pressure) in which the grafting yield was 2.2%.
In this example, the ethylene-vinyl acetate copolymer had a vinyl acetate content of 28%.
In this example, the thermoplastic elastomer had a density of 0.900g/cm3The melt index was 4.0g/10min (190 ℃, 2.16 kg/m)2Under pressure).
In this example, the plasticizer was dioctyl phthalate.
In this embodiment, the tackifier is terpene based resin.
The preparation method of the bonding resin for the PVF composite pipeline mainly comprises the following steps: the raw materials are weighed according to the proportion, the raw materials are uniformly mixed by a high-speed mixer, the uniformly mixed materials are added into a double-screw extruder to be extruded, extruded strips are cooled to room temperature through a circulating water tank, and the extruded strips are blown and dried by a blower and then enter a granulator to be granulated. The temperature range of each temperature zone of the extruder is 150-230 ℃.
Example 2
The embodiment provides a bonding resin for a PVF composite pipeline, which comprises the following components in parts by weight:
in this example, the modified linear low density polyethylene had a density of 0.920g/cm3The melt index was 3.0g/10min (190 ℃, 2.16 kg/m)2Under pressure) in which the grafting yield was 2.5%.
In this example, the ethylene-vinyl acetate copolymer had a vinyl acetate content of 33%.
In this example, the thermoplastic elastomer had a density of 0.900g/cm3The melt index was 5.0g/10min (190 ℃, 2.16 kg/m)2Under pressure).
In this example, the plasticizers are dioctyl phthalate and dicyclohexyl phthalate.
In this example, the tackifier is a rosin petroleum resin.
The preparation method of the bonding resin for the PVF composite pipeline mainly comprises the following steps: the raw materials are weighed according to the proportion, the raw materials are uniformly mixed by a high-speed mixer, the uniformly mixed materials are added into a double-screw extruder to be extruded, extruded strips are cooled to room temperature through a circulating water tank, and the extruded strips are blown and dried by a blower and then enter a granulator to be granulated. The temperature range of each temperature zone of the extruder is 150-230 ℃.
Example 3
The embodiment provides a bonding resin for a PVF composite pipeline, which comprises the following components in parts by weight:
in this example, the modified linear low density polyethylene had a density of 0.920g/cm3The melt index was 4.0g/10min (190 ℃, 2.16 kg/m)2Under pressure) in which the grafting yield was 3.0%.
In this example, the ethylene-vinyl acetate copolymer had a vinyl acetate content of 33%.
In this example, the thermoplastic elastomer had a density of 0.900g/cm3The melt index was 6.0g/10min (190 ℃, 2.16 kg/m)2Under pressure).
In this example, the plasticizer was dicyclohexyl phthalate.
In this example, the tackifier is C5 hydrogenated petroleum resin.
The preparation method of the bonding resin for the PVF composite pipeline mainly comprises the following steps: the raw materials are weighed according to the proportion, the raw materials are uniformly mixed by a high-speed mixer, the uniformly mixed materials are added into a double-screw extruder to be extruded, extruded strips are cooled to room temperature through a circulating water tank, and the extruded strips are blown and dried by a blower and then enter a granulator to be granulated. The temperature range of each temperature zone of the extruder is 150-230 ℃.
Example 4
The adhesive resin of examples 1-3 was co-extruded with PE and PVF, wherein PE was on the outer layer, PVF was on the outer layer, and the adhesive resin was on the middle layer, with a processing temperature of 200-280 ℃.
Cutting a sample strip with the width of 25mm on the composite pipeline to test the peel strength, and testing the peel strength according to the requirements of GB/T2791 as follows:
TABLE 1 Peel Strength test results for examples 1-3
| Example 1 | Example 2 | Example 3 | |
| Peel strength | 102 | 132 | 117 |
As can be seen from the above table, the peel strength of the adhesive resin for the PVF composite pipeline is 102-132N/25mm, and the adhesive resin can meet the production requirement of the PVF composite pipeline.
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 PVF composite pipeline is characterized by comprising the following components in parts by weight:
2. the bonding resin for the PVF composite pipeline as claimed in claim 1, which comprises the following components in parts by weight:
3. the bonding resin for PVF composite pipes as claimed in claim 1, wherein the modified linear low density polyethylene is acrylic acid and maleic anhydride modified linear low density polyethylene, and the density is in the range of 0.920-0.930g/cm3(ii) a The temperature is 190 ℃ and the pressure is 2.16kg/m2When the melt index is in the range of 1.0 to 4.0g/10 min.
4. The bonding resin for PVF composite pipes according to claim 3, wherein the modified linear low density polyethylene has a grafting ratio of 2.0-3.0%.
5. The bonding resin for PVF composite pipes as claimed in claim 1, wherein the vinyl acetate content of said ethylene-vinyl acetate copolymer is in the range of 10-33%.
6. The bonding resin for PVF composite pipes as claimed in claim 1, wherein said thermoplastic elastomer has a density in the range of 0.890-0.900g/cm3(ii) a The temperature is 190 ℃ and the pressure is 2.16kg/m2When the melt index is in the range of 4.0 to 6.0g/10 min.
7. The bonding resin for the PVF composite pipeline 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.
8. The bonding resin for the PVF composite pipeline as claimed in claim 1, wherein the tackifier is one or more of terpene resin, phenolic resin, C5 hydrogenated petroleum resin and rosin petroleum resin.
9. A method for preparing the bonding resin for PVF composite pipes according to any one of claims 1 to 8, comprising the steps of:
1) weighing ethylene-vinyl acetate copolymer, modified linear low-density polyethylene, thermoplastic elastomer, plasticizer and tackifier in specified weight parts, adding the components into a high-speed mixing roll, and uniformly mixing;
2) and adding the uniformly mixed materials into a double-screw extruder for extrusion, cooling the extruded material strips to room temperature through a circulating water tank, and feeding the extruded material strips into a granulator for granulation after air drying through a blower.
10. The method for preparing the bonding resin for the PVF composite pipeline as claimed in claim 9, wherein the temperature range of each temperature zone of the extruder in the step (2) is 150-230 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378136.5A CN110982459A (en) | 2019-12-27 | 2019-12-27 | Adhesive resin for PVF composite pipeline and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911378136.5A CN110982459A (en) | 2019-12-27 | 2019-12-27 | Adhesive resin for PVF composite pipeline and preparation method thereof |
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| Publication Number | Publication Date |
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| CN110982459A true CN110982459A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911378136.5A Pending CN110982459A (en) | 2019-12-27 | 2019-12-27 | Adhesive resin for PVF composite pipeline and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120077048A1 (en) * | 2010-09-29 | 2012-03-29 | Botros Maged G | Graft composition for improved tie layers |
| 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 |
| CN109401643A (en) * | 2018-09-30 | 2019-03-01 | 金旸（厦门）新材料科技有限公司 | One kind having high bonding force steel band reinforced polyethylene spiral ripple pipe special bonding resin material and preparation method thereof |
| CN109837040A (en) * | 2019-03-01 | 2019-06-04 | 广东聚益新材有限公司 | Adhesive and its preparation method and application, glued board |
-
2019
- 2019-12-27 CN CN201911378136.5A patent/CN110982459A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120077048A1 (en) * | 2010-09-29 | 2012-03-29 | Botros Maged G | Graft composition for improved tie layers |
| 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 |
| CN109401643A (en) * | 2018-09-30 | 2019-03-01 | 金旸（厦门）新材料科技有限公司 | One kind having high bonding force steel band reinforced polyethylene spiral ripple pipe special bonding resin material and preparation method thereof |
| CN109837040A (en) * | 2019-03-01 | 2019-06-04 | 广东聚益新材有限公司 | Adhesive and its preparation method and application, glued board |
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Application publication date: 20200410 |
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