CN110982468A - High-viscosity low-volatility adhesive for CPVC (chlorinated polyvinyl chloride) pipes and production process thereof - Google Patents
High-viscosity low-volatility adhesive for CPVC (chlorinated polyvinyl chloride) pipes and production process thereof Download PDFInfo
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- CN110982468A CN110982468A CN201911386473.9A CN201911386473A CN110982468A CN 110982468 A CN110982468 A CN 110982468A CN 201911386473 A CN201911386473 A CN 201911386473A CN 110982468 A CN110982468 A CN 110982468A
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- 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
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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
-
- 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
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention provides a high-viscosity low-volatility adhesive for CPVC (chlorinated polyvinyl chloride) pipes and a production process thereof, wherein the adhesive comprises the following components in parts by weight: bisphenol a type epoxy resin: 40-60 parts of polyvinyl chloride resin: 30-40 parts of butyl acetate: 15-20 parts of dibutyl phthalate: 10-15 parts of tetrahydrofuran: 10-20 parts of hydroxymethyl cellulose: 5-10 parts of glass fiber: 5-10 parts of fumed silica: 5-10 parts of a thickening agent: 1-5 parts of a plasticizer: 1-5 parts of a toughening agent: 1-5 parts of antioxidant: 1-5 parts. The adhesive has reasonable component composition design, low production cost and environment-friendly production process, can be used for CPVC pipelines or PVC pipelines in industry, has better gap filling function, is suitable for installation of saddles and large-diameter pipelines, and has low VOC and high viscosity.
Description
Technical Field
The invention belongs to the technical field of alloy smelting, and particularly relates to a high-viscosity low-volatility adhesive for a CPVC (chlorinated polyvinyl chloride) pipe and a production process thereof.
Background
CPVC pipe material, such as CPVC water supply pipe, is a novel water supply pipe material produced by using chlorinated polyvinyl chloride resin as a main raw material and performing extrusion molding through an extruder.
The greatest advantage of CPVC service pipe applications is the relative high temperature resistance. If the raw materials of the formed CPVC pipe contain a large proportion of graphite filler, the pipe can also be used as a heat conducting pipe, the pipe is only started in recent years in domestic application, is mainly used in pipelines for transporting cold and hot water, thermochemical solution and waste liquid, the maximum infusion temperature can reach 120 ℃ after long-term use, and the service life can reach 40 years.
For the adhesive for the CPVC pipeline, Chinese patent with publication number CN109385232A discloses a special sealing adhesive for PVC pipeline and a preparation method thereof, wherein the raw materials of the sealing adhesive comprise: perchloroethylene resin, polyvinyl chloride resin, alkyd resin, polyamide resin, polyolefin thermoplastic elastomer, acetone, ethyl acetate, butyl acetate, dibutyl phthalate, epoxy castor oil, light calcium carbonate and polyethylene wax. The preparation method comprises the steps of firstly putting perchloro-ethylene resin, polyvinyl chloride resin and polyamide resin into acetone, ethyl acetate and butyl acetate for swelling and dissolving, then adding alkyd resin, polyolefin thermoplastic elastomer, epoxy castor oil and dibutyl phthalate, standing, then adding light calcium carbonate and polyethylene wax, and grinding to obtain the polyvinyl chloride resin. The PVC pipe sealing leakage-proof device not only can meet the use performance and construction requirements of PVC pipe sealing leakage prevention, but also can be suitable for leakage prevention treatment of plastic-steel doors and windows and sewer pipe systems. However, the adhesive for PVC pipes disclosed in this patent is not specific to PVC pipes, and it is not clear whether it is applied to CPVC pipes, and the amount of each resin used is large, and the production preparation cost is high.
Disclosure of Invention
In order to solve the existing problems, the invention aims to provide a high-viscosity low-volatility adhesive for a CPVC (chlorinated polyvinyl chloride) pipe and a production process thereof.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a high-viscosity low-volatility adhesive for CPVC pipes comprises the following components in parts by weight: bisphenol a type epoxy resin: 40-60 parts of polyvinyl chloride resin: 30-40 parts of butyl acetate: 15-20 parts of dibutyl phthalate: 10-15 parts of tetrahydrofuran: 10-20 parts of hydroxymethyl cellulose: 5-10 parts of glass fiber: 5-10 parts of fumed silica: 5-10 parts of a thickening agent: 1-5 parts of a plasticizer: 1-5 parts of a toughening agent: 1-5 parts of antioxidant: 1-5 parts.
Further, the adhesive comprises the following components in parts by weight: bisphenol a type epoxy resin: 50-60 parts of polyvinyl chloride resin: 35-40 parts of butyl acetate: 15-18 parts of dibutyl phthalate: 13-15 parts of tetrahydrofuran: 15-20 parts of hydroxymethyl cellulose: 5-7 parts of glass fiber: 5-8 parts of fumed silica: 6-10 parts of a thickening agent: 3-5 parts of a plasticizer: 2-5 parts of a toughening agent: 1-3 parts of antioxidant: 1-4 parts.
Further, the adhesive comprises the following components in parts by weight: bisphenol a type epoxy resin: 50 parts of polyvinyl chloride resin: 35 parts, butyl acetate: 18 parts, dibutyl phthalate: 14 parts, tetrahydrofuran: 15 parts, hydroxymethyl cellulose: 7 parts, glass fiber: 6 parts, fumed silica: 8 parts of a thickening agent: 4 parts of plasticizer: 3 parts of a toughening agent: 3 parts of antioxidant: and 2 parts.
Further, the thickening agent is polymethyl methacrylate or polybutyl methacrylate.
Further, the plasticizer is acetyl triethyl citrate.
Further, the toughening agent is ethylene propylene diene monomer or ethylene-vinyl acetate copolymer.
Further, the antioxidant is antioxidant 1010 or antioxidant 168.
Meanwhile, the invention also provides a production process of the high-viscosity low-volatility adhesive for the CPVC pipe, which comprises the following steps: taking a stirring kettle, adding the bisphenol A epoxy resin, the polyvinyl chloride resin, the butyl acetate, the dibutyl phthalate, the tetrahydrofuran, the hydroxymethyl cellulose, the glass fiber and the fumed silica into the stirring kettle according to the proportion, heating to 30-40 ℃, stirring for 10-15 minutes at a rotating speed of 1200-1500 rpm, adding a thickening agent, a plasticizer, a toughening agent and an antioxidant into the stirring kettle according to the proportion, heating to 50-60 ℃, stirring for 5-10 minutes at a rotating speed of 1500-1600 rpm, cooling to room temperature, standing, and filling to obtain the high-viscosity low-volatility adhesive for the CPVC pipe.
The invention has the beneficial effects that:
the adhesive has reasonable component composition design, low production cost and environment-friendly production process, can be used for CPVC pipelines or PVC pipelines in industry, has better gap filling function, is suitable for installation of saddles and large-diameter pipelines, and has low VOC and high viscosity.
Detailed Description
The invention relates to a high-viscosity low-volatility adhesive for CPVC (chlorinated polyvinyl chloride) pipes, which comprises the following components in parts by weight: bisphenol a type epoxy resin: 40-60 parts of polyvinyl chloride resin: 30-40 parts of butyl acetate: 15-20 parts of dibutyl phthalate: 10-15 parts of tetrahydrofuran: 10-20 parts of hydroxymethyl cellulose: 5-10 parts of glass fiber: 5-10 parts of fumed silica: 5-10 parts of a thickening agent: 1-5 parts of a plasticizer: 1-5 parts of a toughening agent: 1-5 parts of antioxidant: 1-5 parts.
Further, the adhesive comprises the following components in parts by weight: bisphenol a type epoxy resin: 50-60 parts of polyvinyl chloride resin: 35-40 parts of butyl acetate: 15-18 parts of dibutyl phthalate: 13-15 parts of tetrahydrofuran: 15-20 parts of hydroxymethyl cellulose: 5-7 parts of glass fiber: 5-8 parts of fumed silica: 6-10 parts of a thickening agent: 3-5 parts of a plasticizer: 2-5 parts of a toughening agent: 1-3 parts of antioxidant: 1-4 parts.
Further, the adhesive comprises the following components in parts by weight: bisphenol a type epoxy resin: 50 parts of polyvinyl chloride resin: 35 parts, butyl acetate: 18 parts, dibutyl phthalate: 14 parts, tetrahydrofuran: 15 parts, hydroxymethyl cellulose: 7 parts, glass fiber: 6 parts, fumed silica: 8 parts of a thickening agent: 4 parts of plasticizer: 3 parts of a toughening agent: 3 parts of antioxidant: and 2 parts.
Further, the thickening agent is polymethyl methacrylate or polybutyl methacrylate.
Further, the plasticizer is acetyl triethyl citrate.
Further, the toughening agent is ethylene propylene diene monomer or ethylene-vinyl acetate copolymer.
Further, the antioxidant is antioxidant 1010 or antioxidant 168.
Meanwhile, the invention also provides a production process of the high-viscosity low-volatility adhesive for the CPVC pipe, which comprises the following steps: taking a stirring kettle, adding the bisphenol A epoxy resin, the polyvinyl chloride resin, the butyl acetate, the dibutyl phthalate, the tetrahydrofuran, the hydroxymethyl cellulose, the glass fiber and the fumed silica into the stirring kettle according to the proportion, heating to 30-40 ℃, stirring for 10-15 minutes at a rotating speed of 1200-1500 rpm, adding a thickening agent, a plasticizer, a toughening agent and an antioxidant into the stirring kettle according to the proportion, heating to 50-60 ℃, stirring for 5-10 minutes at a rotating speed of 1500-1600 rpm, cooling to room temperature, standing, and filling to obtain the high-viscosity low-volatility adhesive for the CPVC pipe.
The high-viscosity low-volatility adhesive for the CPVC pipe provided by the invention is reasonable in component design, low in production cost and environment-friendly in production process, can be used for industrial CPVC pipes or PVC pipes, has a good gap filling function, is suitable for installation of saddles and large-diameter pipes, and is low in VOC and high in viscosity.
The quality and the socket fit of the pipe and tube must be checked before applying the adhesive. If the insertion is difficult, the bell mouth is expanded in warm water, a file or sand paper is not required to be used for processing the socket surface, and the bell mouth is not required to be baked and heated by open fire. The adhesive is generally uniformly coated by a paint brush or a brush pen in sequence, the inner wall of the bell mouth of the pipe fitting is coated firstly, then the outer surface of the spigot mouth is coated, and the coating is thin and uniform. Once the adhesive is applied, the socket is inserted and connected, and the socket is required to be aligned and inserted into the socket, so that the situation that the socket is inclined to cause local adhesive to be scraped off and a leakage channel is generated is prevented. When the plug-in is carried out, the plug-in needs to enter the bellmouth according to the requirement without loosening, and the rotary plug-in is forbidden.
It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and are not limited. Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the present invention.
Claims (8)
1. The high-viscosity low-volatility adhesive for the CPVC pipe is characterized by comprising the following components in parts by weight: bisphenol a type epoxy resin: 40-60 parts of polyvinyl chloride resin: 30-40 parts of butyl acetate: 15-20 parts of dibutyl phthalate: 10-15 parts of tetrahydrofuran: 10-20 parts of hydroxymethyl cellulose: 5-10 parts of glass fiber: 5-10 parts of fumed silica: 5-10 parts of a thickening agent: 1-5 parts of a plasticizer: 1-5 parts of a toughening agent: 1-5 parts of antioxidant: 1-5 parts.
2. The high-viscosity low-volatility adhesive for CPVC pipes as claimed in claim 1, wherein the adhesive comprises the following components in parts by weight: bisphenol a type epoxy resin: 50-60 parts of polyvinyl chloride resin: 35-40 parts of butyl acetate: 15-18 parts of dibutyl phthalate: 13-15 parts of tetrahydrofuran: 15-20 parts of hydroxymethyl cellulose: 5-7 parts of glass fiber: 5-8 parts of fumed silica: 6-10 parts of a thickening agent: 3-5 parts of a plasticizer: 2-5 parts of a toughening agent: 1-3 parts of antioxidant: 1-4 parts.
3. The high-viscosity low-volatility adhesive for CPVC pipes as claimed in claim 1, wherein the adhesive comprises the following components in parts by weight: bisphenol a type epoxy resin: 50 parts of polyvinyl chloride resin: 35 parts, butyl acetate: 18 parts, dibutyl phthalate: 14 parts, tetrahydrofuran: 15 parts, hydroxymethyl cellulose: 7 parts, glass fiber: 6 parts, fumed silica: 8 parts of a thickening agent: 4 parts of plasticizer: 3 parts of a toughening agent: 3 parts of antioxidant: and 2 parts.
4. A high viscosity low volatility adhesive for CPVC pipes as claimed in claim 1, wherein said thickener is polymethylmethacrylate or polybutylmethacrylate.
5. A high viscosity low volatility adhesive for CPVC pipes as claimed in claim 1, wherein said plasticizer is acetyl triethyl citrate.
6. A high viscosity low volatility adhesive for CPVC pipes as claimed in claim 1, wherein the toughening agent is ethylene propylene diene monomer or ethylene vinyl acetate copolymer.
7. The high viscosity low volatility adhesive for CPVC pipes of claim 1, wherein the antioxidant is antioxidant 1010 or antioxidant 168.
8. A production process of the high-viscosity low-volatility adhesive for the CPVC pipe material as claimed in any one of claims 1 to 7, wherein the production process comprises the following steps: taking a stirring kettle, adding the bisphenol A epoxy resin, the polyvinyl chloride resin, the butyl acetate, the dibutyl phthalate, the tetrahydrofuran, the hydroxymethyl cellulose, the glass fiber and the fumed silica into the stirring kettle according to the proportion, heating to 30-40 ℃, stirring for 10-15 minutes at a rotating speed of 1200-1500 rpm, adding a thickening agent, a plasticizer, a toughening agent and an antioxidant into the stirring kettle according to the proportion, heating to 50-60 ℃, stirring for 5-10 minutes at a rotating speed of 1500-1600 rpm, cooling to room temperature, standing, and filling to obtain the high-viscosity low-volatility adhesive for the CPVC pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911386473.9A CN110982468A (en) | 2019-12-29 | 2019-12-29 | High-viscosity low-volatility adhesive for CPVC (chlorinated polyvinyl chloride) pipes and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911386473.9A CN110982468A (en) | 2019-12-29 | 2019-12-29 | High-viscosity low-volatility adhesive for CPVC (chlorinated polyvinyl chloride) pipes and production process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110982468A true CN110982468A (en) | 2020-04-10 |
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| CN201911386473.9A Pending CN110982468A (en) | 2019-12-29 | 2019-12-29 | High-viscosity low-volatility adhesive for CPVC (chlorinated polyvinyl chloride) pipes and production process thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108264861A (en) * | 2018-01-02 | 2018-07-10 | 北京汽车股份有限公司 | Purposes, plank and the vehicle of folding adhesive, carbon fiber in folding adhesive is prepared |
| CN108342171A (en) * | 2017-01-23 | 2018-07-31 | 中国石油化工股份有限公司 | High-performance CPVC solvent-based adhesives and preparation method thereof |
| CN108676503A (en) * | 2018-06-07 | 2018-10-19 | 安庆市洁达塑业有限公司 | A kind of special quick-drying gelatin of PVC pipeline and preparation method thereof |
-
2019
- 2019-12-29 CN CN201911386473.9A patent/CN110982468A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108342171A (en) * | 2017-01-23 | 2018-07-31 | 中国石油化工股份有限公司 | High-performance CPVC solvent-based adhesives and preparation method thereof |
| CN108264861A (en) * | 2018-01-02 | 2018-07-10 | 北京汽车股份有限公司 | Purposes, plank and the vehicle of folding adhesive, carbon fiber in folding adhesive is prepared |
| CN108676503A (en) * | 2018-06-07 | 2018-10-19 | 安庆市洁达塑业有限公司 | A kind of special quick-drying gelatin of PVC pipeline and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 李子东: "《胶粘剂应用技术手册》", 31 July 1994, 上海科学技术文献出版社 * |
| 王国全 等: "《聚合物改性》", 31 May 2016, 中国轻工业出版社 * |
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Application publication date: 20200410 |