CN104861339A - Flame-retardant and ageing-resistant polyvinyl chloride tube and production method thereof - Google Patents
Flame-retardant and ageing-resistant polyvinyl chloride tube and production method thereof Download PDFInfo
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- CN104861339A CN104861339A CN201410832895.5A CN201410832895A CN104861339A CN 104861339 A CN104861339 A CN 104861339A CN 201410832895 A CN201410832895 A CN 201410832895A CN 104861339 A CN104861339 A CN 104861339A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08K2201/011—Nanostructured 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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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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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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a flame-retardant and ageing-resistant polyvinyl chloride tube and a production method thereof. The flame-retardant and ageing-resistant polyvinyl chloride tube comprises, by mass, 50-72% of polyvinyl chloride, 5-8% of dioctyl phthalate, 6-9% of butadiene-acrylonitrile rubber, 2-6% of methacrylate-acrylate copolymer, 10-15% of nanometer aluminum hydroxide, 2-5% of montmorillonite, 1-2% of polyether modified polysiloxane, 0.5-1.5% of a calcium and zinc composite stabilizer, 0.5-1% of ethylene bisstearamide, 0.1-0.5% of gamma-aminopropyltrimethoxysilane, 0.01-0.1% of potassium diphenylsulfonyl sulfonate, 0.5-2% of an anti-ageing agent and 0.1-0.5% of an antioxidant. The flame-retardant and ageing-resistant polyvinyl chloride tube has the advantages of excellent flame retardation performance, excellent ageing resistance, good heat stability, high notch impact strength, good ring stiffness, excellent creep deformation resistance and strong market competitiveness, so the tube has a very good application prospect.
Description
Technical field
The present invention relates to plastic pipe technical field, specifically a kind of fire-retardant ageing-resistant polychloroethylene pipes and preparation method thereof.
Background technology
Polyvinyl chloride (PVC) is one of five large resins for universal use, its output is only second to polyethylene (PE), because polyvinyl chloride has the advantages such as chemical proofing is high, electrical insulation capability good, physical and chemical performance is stable, cheap, be widely used in the raw material on tubing, electric wire, floor etc. at present.But when pure polyvinyl chloride is as tube material, but there is poor heat stability, notched Izod impact strength be low, flame retardant resistance is not high, the easy problem such as aging, will its effect be strongly limit.
Summary of the invention
The object of the present invention is to provide fire-retardant ageing-resistant polychloroethylene pipes of the excellent and long service life of a kind of good flame resistance, processing characteristics and preparation method thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of fire-retardant ageing-resistant polychloroethylene pipes, its component by mass percent proportioning is: polyvinyl chloride 50% ~ 72%, dioctyl phthalate (DOP) 5% ~ 8%, paracril 6% ~ 9%, Methylacrylate-Acrylate Copolymer 2% ~ 6%, nano-aluminum hydroxide 10% ~ 15%, polynite 2% ~ 5%, Siloxane-Oxyalkylene Copolymers 1% ~ 2%, calcium-zinc composite stabilizing agent 0.5% ~ 1.5%, ethylene bis stearamide 0.5% ~ 1%, γ-aminopropyltrimethoxysilane 0.1% ~ 0.5%, phenylbenzene sulfuryl potassium sulfonate 0.01% ~ 0.1%, protective agent 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%.
The mean polymerisation degree of described polyvinyl chloride 800 ~ 1200, weight-average molecular weight is in 50000 ~ 120000 scopes.
The particle diameter of described nano-aluminum hydroxide is in 20 ~ 80nm scope.
Described polynite is the sodium-based montmorillonite of particle diameter in 25nm ~ 75nm scope.
Described protective agent is the Benzotriazole Ultraviolet Stabilizer of mass ratio 1:0.5 ~ 2 and the compound of benzophenone ultraviolet absorption agent.
Described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
The preparation method of above-mentioned a kind of fire-retardant ageing-resistant polychloroethylene pipes, comprises the following steps:
(1) nano-aluminum hydroxide and the polynite that, take drying by weight ratio add barrel temperature in the high-speed mixer of 80 DEG C ~ 120 DEG C, and add γ-aminopropyltrimethoxysilane by weight ratio, after rotating speed 3000 ~ 4500r//min stirs 10 ~ 45min, be cooled to lower than 60 DEG C of dischargings, stand-by;
(2), polyvinyl chloride, dioctyl phthalate (DOP) and calcium-zinc composite stabilizing agent is taken by weight ratio, and add barrel temperature successively in the mixing machine of 80 DEG C ~ 90 DEG C, 20 ~ 30min is stirred by rotating speed 80 ~ 200r//min, add the product that step (1) obtains again, and add phenylbenzene sulfuryl potassium sulfonate by weight ratio, continue stirring 10 ~ 20min, then other component is added by important proportioning, make to stir 20 ~ 30min together, to be mixed evenly after, discharging;
(3), by the compound that step (2) obtains add the mixing rear extrusion moulding of twin screw extruder and make tubing, namely obtain the fire-retardant ageing-resistant polychloroethylene pipes of described one.
The invention has the beneficial effects as follows, the present invention has excellent flame retardant resistance and resistance to deterioration, and Heat stability is good, and notched Izod impact strength is high, and ring stiffness is good, and creep resistance is excellent, and the market competitiveness is strong, thus will have good application prospect.
Embodiment
Technical scheme of the present invention is further illustrated below in conjunction with concrete preferred embodiment.
Embodiment 1:
A kind of fire-retardant ageing-resistant polychloroethylene pipes, its component by mass percent proportioning is: polyvinyl chloride 50%, dioctyl phthalate (DOP) 8%, paracril 9%, Methylacrylate-Acrylate Copolymer 6%, nano-aluminum hydroxide 15%, polynite 5%, Siloxane-Oxyalkylene Copolymers 2%, calcium-zinc composite stabilizing agent 1.5%, ethylene bis stearamide 1%, γ-aminopropyltrimethoxysilane 0.2%, phenylbenzene sulfuryl potassium sulfonate 0.1%, protective agent 2%, oxidation inhibitor 0.2%, the particle diameter of described nano-aluminum hydroxide is in 20 ~ 80nm scope, described polynite is the sodium-based montmorillonite of particle diameter in 25nm ~ 75nm scope, described protective agent is the Benzotriazole Ultraviolet Stabilizer of mass ratio 1:2 and the compound of benzophenone ultraviolet absorption agent, described oxidation inhibitor is four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Preparation method: (1), the nano-aluminum hydroxide taking drying by weight ratio and polynite add barrel temperature in the high-speed mixer of 80 DEG C ~ 120 DEG C, and add γ-aminopropyltrimethoxysilane by weight ratio, after rotating speed 3000 ~ 4500r//min stirs 10 ~ 45min, be cooled to lower than 60 DEG C of dischargings, stand-by; (2), polyvinyl chloride, dioctyl phthalate (DOP) and calcium-zinc composite stabilizing agent is taken by weight ratio, and add barrel temperature successively in the mixing machine of 80 DEG C ~ 90 DEG C, 20 ~ 30min is stirred by rotating speed 80 ~ 200r//min, add the product that step (1) obtains again, and add phenylbenzene sulfuryl potassium sulfonate by weight ratio, continue stirring 10 ~ 20min, then other component is added by important proportioning, make to stir 20 ~ 30min together, to be mixed evenly after, discharging; (3), by the compound that step (2) obtains add the mixing rear extrusion moulding of twin screw extruder and make tubing, namely obtain the fire-retardant ageing-resistant polychloroethylene pipes of described one.
Embodiment 2:
A kind of fire-retardant ageing-resistant polychloroethylene pipes, its component by mass percent proportioning is: polyvinyl chloride 72%, dioctyl phthalate (DOP) 5%, paracril 6%, Methylacrylate-Acrylate Copolymer 2%, nano-aluminum hydroxide 10%, polynite 2%, Siloxane-Oxyalkylene Copolymers 1%, calcium-zinc composite stabilizing agent 0.5%, ethylene bis stearamide 0.5%, γ-aminopropyltrimethoxysilane 0.1%, phenylbenzene sulfuryl potassium sulfonate 0.1%, protective agent 0.5%, oxidation inhibitor 0.3%, the particle diameter of described nano-aluminum hydroxide is in 20 ~ 80nm scope, described polynite is the sodium-based montmorillonite of particle diameter in 25nm ~ 75nm scope, described protective agent is the Benzotriazole Ultraviolet Stabilizer of mass ratio 1:1 and the compound of benzophenone ultraviolet absorption agent, described oxidation inhibitor is four [β-(3, 5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
Preparation method: (1), the nano-aluminum hydroxide taking drying by weight ratio and polynite add barrel temperature in the high-speed mixer of 80 DEG C ~ 120 DEG C, and add γ-aminopropyltrimethoxysilane by weight ratio, after rotating speed 3000 ~ 4500r//min stirs 10 ~ 45min, be cooled to lower than 60 DEG C of dischargings, stand-by; (2), polyvinyl chloride, dioctyl phthalate (DOP) and calcium-zinc composite stabilizing agent is taken by weight ratio, and add barrel temperature successively in the mixing machine of 80 DEG C ~ 90 DEG C, 20 ~ 30min is stirred by rotating speed 80 ~ 200r//min, add the product that step (1) obtains again, and add phenylbenzene sulfuryl potassium sulfonate by weight ratio, continue stirring 10 ~ 20min, then other component is added by important proportioning, make to stir 20 ~ 30min together, to be mixed evenly after, discharging; (3), by the compound that step (2) obtains add the mixing rear extrusion moulding of twin screw extruder and make tubing, namely obtain the fire-retardant ageing-resistant polychloroethylene pipes of described one.
Claims (3)
1. a fire-retardant ageing-resistant polychloroethylene pipes, it is characterized in that, its component by mass percent proportioning is: polyvinyl chloride 50% ~ 72%, dioctyl phthalate (DOP) 5% ~ 8%, paracril 6% ~ 9%, Methylacrylate-Acrylate Copolymer 2% ~ 6%, nano-aluminum hydroxide 10% ~ 15%, polynite 2% ~ 5%, Siloxane-Oxyalkylene Copolymers 1% ~ 2%, calcium-zinc composite stabilizing agent 0.5% ~ 1.5%, ethylene bis stearamide 0.5% ~ 1%, γ-aminopropyltrimethoxysilane 0.1% ~ 0.5%, phenylbenzene sulfuryl potassium sulfonate 0.01% ~ 0.1%, protective agent 0.5% ~ 2%, oxidation inhibitor 0.1% ~ 0.5%.
2. the fire-retardant ageing-resistant polychloroethylene pipes of one according to claim 1, is characterized in that, described protective agent is the Benzotriazole Ultraviolet Stabilizer of mass ratio 1:0.5 ~ 2 and the compound of benzophenone ultraviolet absorption agent.
3. the preparation method of a kind of fire-retardant ageing-resistant polychloroethylene pipes according to claim 1, is characterized in that, comprise the following steps:
(1) nano-aluminum hydroxide and the polynite that, take drying by weight ratio add barrel temperature in the high-speed mixer of 80 DEG C ~ 120 DEG C, and add γ-aminopropyltrimethoxysilane by weight ratio, after rotating speed 3000 ~ 4500r//min stirs 10 ~ 45min, be cooled to lower than 60 DEG C of dischargings, stand-by;
(2), polyvinyl chloride, dioctyl phthalate (DOP) and calcium-zinc composite stabilizing agent is taken by weight ratio, and add barrel temperature successively in the mixing machine of 80 DEG C ~ 90 DEG C, 20 ~ 30min is stirred by rotating speed 80 ~ 200r//min, add the product that step (1) obtains again, and add phenylbenzene sulfuryl potassium sulfonate by weight ratio, continue stirring 10 ~ 20min, then other component is added by important proportioning, make to stir 20 ~ 30min together, to be mixed evenly after, discharging;
(3), by the compound that step (2) obtains add the mixing rear extrusion moulding of twin screw extruder and make tubing, namely obtain the fire-retardant ageing-resistant polychloroethylene pipes of described one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832895.5A CN104861339A (en) | 2014-12-29 | 2014-12-29 | Flame-retardant and ageing-resistant polyvinyl chloride tube and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832895.5A CN104861339A (en) | 2014-12-29 | 2014-12-29 | Flame-retardant and ageing-resistant polyvinyl chloride tube and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104861339A true CN104861339A (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410832895.5A Pending CN104861339A (en) | 2014-12-29 | 2014-12-29 | Flame-retardant and ageing-resistant polyvinyl chloride tube and production method thereof |
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| CN (1) | CN104861339A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106188965A (en) * | 2016-08-04 | 2016-12-07 | 大禹节水（天津）有限公司 | A kind of heat-resistant fireproof anti-aging PVC tubing and preparation method thereof |
| CN109880258A (en) * | 2019-03-28 | 2019-06-14 | 李斌 | A kind of PVC downcomer that static state anti-acoustic capability is good |
-
2014
- 2014-12-29 CN CN201410832895.5A patent/CN104861339A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106188965A (en) * | 2016-08-04 | 2016-12-07 | 大禹节水（天津）有限公司 | A kind of heat-resistant fireproof anti-aging PVC tubing and preparation method thereof |
| CN109880258A (en) * | 2019-03-28 | 2019-06-14 | 李斌 | A kind of PVC downcomer that static state anti-acoustic capability is good |
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Application publication date: 20150826 |