CN105440481A - High-toughness high temperature-resistant modified PVC pipe - Google Patents

High-toughness high temperature-resistant modified PVC pipe Download PDF

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Publication number
CN105440481A
CN105440481A CN201510923331.7A CN201510923331A CN105440481A CN 105440481 A CN105440481 A CN 105440481A CN 201510923331 A CN201510923331 A CN 201510923331A CN 105440481 A CN105440481 A CN 105440481A
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parts
pvc pipe
calcium carbonate
weight
heat
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金立胜
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ANHUI NINGGUO HIGH-NEW PIPE INDUSTRY Co Ltd
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ANHUI NINGGUO HIGH-NEW PIPE INDUSTRY Co Ltd
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Publication of CN105440481A publication Critical patent/CN105440481A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions 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
    • C08L27/02Compositions 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
    • C08L27/04Compositions 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
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2205/02Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • 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
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The invention discloses a high-toughness high temperature-resistant modified PVC pipe. The high-toughness high temperature-resistant modified PVC pipe comprises the following raw materials by weight: 80 to 120 parts of PVC resin, 30 to 60 parts of chlorinated polyethylene, 40 to 80 parts of liquid butadiene-acrylonitrile rubber, 10 to 30 parts of polyurethane elastomer, 2 to 8 parts of modified nanometer calcium carbonate, 1 to 5 parts of kaolin, 2 to 6 parts of fly ash, 4 to 8 parts of glass beads, 4 to 8 parts of glass fiber, 1 to 6 parts of titanium dioxide, 3 to 9 parts of PE wax, 2 to 5 parts of methyl methacrylate, 4 to 8 parts of acrylate, 1 to 5 parts of a heatproof modifier and 2 to 6 parts of a coupling agent. The PVC pipe provided by the invention has excellent toughness and high temperature resistance.

Description

A kind of high tenacity heat resist modification pvc pipe
Technical field
The present invention relates to a kind of pvc pipe, particularly relate to a kind of high tenacity heat resist modification pvc pipe.
Background technology
Polyvinyl chloride resin major ingredient is polyvinyl chloride, adds other one-tenth in addition and assigns to strengthen its thermotolerance, toughness, ductility etc.In building-up process, PVC needs multiple starting material, cost is relatively high, because pvc pipe has higher stability to be often used in the pipeline of the transport liquids such as water pipe, in use once will there is the accident of a large amount of leak of liquid because external force extruding occurs to rupture, hard PVC pipe compressive strength in the market and resistance to elevated temperatures all have much room for improvement.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of high tenacity heat resist modification pvc pipe, has excellent toughness and resistance to elevated temperatures.
A kind of high tenacity heat resist modification pvc pipe that the present invention proposes, its raw material comprises by weight: polyvinyl chloride resin 80-120 part, chlorinatedpolyethylene 30-60 part, liquid butyronitrile rubber 40-80 part, polyurethane elastomer 10-30 part, modified nano calcium carbonate 2-8 part, kaolin 1-5 part, flyash 2-6 part, glass microballon 4-8 part, glass fibre 4-8 part, titanium dioxide 1-6 part, the cured 3-9 part of PE, methyl methacrylate 2-5 part, acrylate 4-8 part, heat-proof modifier 1-5 part, coupling agent 2-6 part.
Preferably, the raw material of modified nano calcium carbonate comprises by weight: Sodium dodecylbenzene sulfonate 2-6 part, nano-calcium carbonate 1-5 part, butyl acrylate 4-8 part, Potassium Persulphate 2-6 part, aluminum sulfate aqueous solution 2-4 part.
Preferably, modified nano calcium carbonate is prepared by following technique: Sodium dodecylbenzene sulfonate and deionized water are mixed, stir 2-4min, then nano-calcium carbonate is added, stir under ultrasonic wave, then 65-75 DEG C is heated to, then add butyl acrylate, Potassium Persulphate and water to mix, reaction 1-3h, then drips aluminum sulfate aqueous solution, breakdown of emulsion, filter, then with deionized water washing 2-4 time, then dry 5-7h in 45-55 DEG C of vacuum drying oven, is cooled to room temperature modified nano calcium carbonate.
Preferably, the raw material of heat-proof modifier comprises by weight: vinylbenzene 5-15 part, methyl methacrylate 2-8 part, emulsifying agent 1-5 part, divinylbenzene benzene 2-8 part, Potassium Persulphate 3-9 part, soft water 2-8 part, calcium chloride 4-8 part.
Preferably, heat-proof modifier is prepared by following technique: vinylbenzene, methyl methacrylate, emulsifying agent and divinylbenzene are mixed, be then warming up to 45-55 DEG C, then add Potassium Persulphate, be warming up to 60-80 DEG C, and insulation 3-5h, obtains material a; Soft water and calcium chloride are mixed, be warming up to 65-85 DEG C, then add material a, be warming up to 75-85 DEG C, be then cooled to room temperature, wash 2-4 time, removing impurity and water-soluble impurity, obtain heat-proof modifier after drying.
Preferably, coupling agent is that three oleoyl isopropyl titanates, isopropyl triisostearoyl titanate, anilinomethyl triethoxysilane, KH-580 silane coupling agent and KH570 silane coupling agent mix by weight for 2-5:3-6:1-5:2-6:1-3.
Preferably, its raw material comprises by weight: polyvinyl chloride resin 85-115 part, chlorinatedpolyethylene 35-55 part, liquid butyronitrile rubber 45-75 part, polyurethane elastomer 15-25 part, modified nano calcium carbonate 3-7 part, kaolin 2-4 part, flyash 3-5 part, glass microballon 5-7 part, glass fibre 5-7 part, titanium dioxide 2-5 part, the cured 4-8 part of PE, methyl methacrylate 3-4 part, acrylate 5-7 part, heat-proof modifier 2-4 part, coupling agent 3-5 part.
Preferably, its raw material comprises by weight: polyvinyl chloride resin 100 parts, chlorinatedpolyethylene 45 parts, liquid butyronitrile rubber 60 parts, polyurethane elastomer 20 parts, modified nano calcium carbonate 5 parts, kaolin 3 parts, 4 parts, flyash, glass microballon 6 parts, 6 parts, glass fibre, titanium dioxide 3.5 parts, cured 6 parts of PE, methyl methacrylate 3.5 parts, acrylate 6 parts, heat-proof modifier 3 parts, coupling agent 4 parts.
A kind of high tenacity heat resist modification pvc pipe of the present invention, its raw material comprises polyvinyl chloride resin, chlorinatedpolyethylene, liquid butyronitrile rubber, polyurethane elastomer, modified nano calcium carbonate, kaolin, flyash, glass microballon, glass fibre, titanium dioxide, PE is cured, methyl methacrylate, acrylate, heat-proof modifier and coupling agent, wherein, take polyvinyl chloride resin as major ingredient, the chlorinatedpolyethylene of auxiliary interpolation and liquid butyronitrile rubber can improve toughness and the resistance to elevated temperatures of polyvinyl chloride resin further, the polyurethane elastomer added, modified nano calcium carbonate, kaolin, flyash, glass microballon, glass fibre and titanium dioxide are as filler, effectively improve the toughness of pvc pipe of the present invention, the methyl methacrylate added, acrylate, heat-proof modifier and coupling agent, as auxiliary agent, further increase the resistance to elevated temperatures of pvc pipe of the present invention, the modified nano calcium carbonate wherein added effectively can improve the toughness of pvc pipe of the present invention.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In embodiment, the weight part of polyvinyl chloride resin can be 80 parts, 85 parts, 90 parts, 95 parts, 100 parts, 105 parts, 110 parts, 115 parts, 120 parts; The weight part of chlorinatedpolyethylene can be 30 parts, 35 parts, 40 parts, 45 parts, 50 parts, 55 parts, 60 parts; The weight part of liquid butyronitrile rubber can be 40 parts, 45 parts, 50 parts, 55 parts, 60 parts, 65 parts, 70 parts, 75 parts, 80 parts; The weight part of polyurethane elastomer can be 10 parts, 15 parts, 20 parts, 25 parts, 30 parts; The weight part of modified nano calcium carbonate can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; Kaolinic weight part can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of flyash can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of glass microballon can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of glass fibre can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of titanium dioxide can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts; The cured weight part of PE can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of methyl methacrylate can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts; The weight part of acrylate can be 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of heat-proof modifier can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of coupling agent can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts.
Embodiment 1
A kind of high tenacity heat resist modification pvc pipe that the present invention proposes, its raw material comprises by weight: polyvinyl chloride resin 100 parts, chlorinatedpolyethylene 45 parts, liquid butyronitrile rubber 60 parts, polyurethane elastomer 20 parts, modified nano calcium carbonate 5 parts, kaolin 3 parts, 4 parts, flyash, glass microballon 6 parts, 6 parts, glass fibre, titanium dioxide 3.5 parts, cured 6 parts of PE, methyl methacrylate 3.5 parts, acrylate 6 parts, heat-proof modifier 3 parts, coupling agent 4 parts.
Modified nano calcium carbonate is prepared by following technique: 4 parts of Sodium dodecylbenzene sulfonatees and deionized water are mixed by weight, stir 3min, then 3 parts of nano-calcium carbonates are added, stir under ultrasonic wave, then 70 DEG C are heated to, then add 6 parts of butyl acrylates, 4 parts of Potassium Persulphates and water to mix, reaction 2h, then 3 parts of aluminum sulfate aqueous solutions are dripped, breakdown of emulsion, filters, then washes 3 times with deionized water, then dry 6h in 50 DEG C of vacuum drying ovens, is cooled to room temperature modified nano calcium carbonate.
Heat-proof modifier is prepared by following technique: 10 parts of vinylbenzene, 5 parts of methyl methacrylates, 3 parts of emulsifying agents and 5 parts of divinylbenzenes are mixed by weight, then be warming up to 50 DEG C, then add 6 parts of Potassium Persulphates, be warming up to 70 DEG C, insulation 4h, obtains material a; 5 parts of soft water and 6 parts of calcium chloride are mixed, be warming up to 75 DEG C, then add material a, be warming up to 80 DEG C, be then cooled to room temperature, wash 3 times, removing impurity and water-soluble impurity, obtain heat-proof modifier after drying.
Coupling agent is that three oleoyl isopropyl titanates, isopropyl triisostearoyl titanate, anilinomethyl triethoxysilane, KH-580 silane coupling agent and KH570 silane coupling agent mix by weight for 3.5:4.5:3:4:2.
Embodiment 2
A kind of high tenacity heat resist modification pvc pipe that the present invention proposes, its raw material comprises by weight: polyvinyl chloride resin 80 parts, chlorinatedpolyethylene 60 parts, liquid butyronitrile rubber 40 parts, polyurethane elastomer 30 parts, modified nano calcium carbonate 2 parts, kaolin 5 parts, 2 parts, flyash, glass microballon 8 parts, 4 parts, glass fibre, titanium dioxide 6 parts, cured 3 parts of PE, methyl methacrylate 5 parts, acrylate 4 parts, heat-proof modifier 5 parts, coupling agent 2 parts.
Modified nano calcium carbonate is prepared by following technique: 2 parts of Sodium dodecylbenzene sulfonatees and deionized water are mixed by weight, stir 4min, then 1 part of nano-calcium carbonate is added, stir under ultrasonic wave, then 75 DEG C are heated to, then add 4 parts of butyl acrylates, 6 parts of Potassium Persulphates and water to mix, reaction 1h, then 4 parts of aluminum sulfate aqueous solutions are dripped, breakdown of emulsion, filters, then washes 2 times with deionized water, then dry 7h in 55 DEG C of vacuum drying ovens, is cooled to room temperature modified nano calcium carbonate.
Heat-proof modifier is prepared by following technique: 5 parts of vinylbenzene, 8 parts of methyl methacrylates, 1 part of emulsifying agent and 8 parts of divinylbenzenes are mixed by weight, then be warming up to 45 DEG C, then add 9 parts of Potassium Persulphates, be warming up to 60 DEG C, insulation 5h, obtains material a; 2 parts of soft water and 8 parts of calcium chloride are mixed, be warming up to 65 DEG C, then add material a, be warming up to 85 DEG C, be then cooled to room temperature, wash 2 times, removing impurity and water-soluble impurity, obtain heat-proof modifier after drying.
Coupling agent is that three oleoyl isopropyl titanates, isopropyl triisostearoyl titanate, anilinomethyl triethoxysilane, KH-580 silane coupling agent and KH570 silane coupling agent mix by weight for 2:6:1:6:1.
Embodiment 3
A kind of high tenacity heat resist modification pvc pipe that the present invention proposes, its raw material comprises by weight: polyvinyl chloride resin 120 parts, chlorinatedpolyethylene 30 parts, liquid butyronitrile rubber 80 parts, polyurethane elastomer 10 parts, modified nano calcium carbonate 8 parts, kaolin 1 part, 6 parts, flyash, glass microballon 4 parts, 8 parts, glass fibre, titanium dioxide 1 part, cured 9 parts of PE, methyl methacrylate 2 parts, acrylate 8 parts, heat-proof modifier 1 part, coupling agent 6 parts.
Modified nano calcium carbonate is prepared by following technique: 6 parts of Sodium dodecylbenzene sulfonatees and deionized water are mixed by weight, stir 2min, then 5 parts of nano-calcium carbonates are added, stir under ultrasonic wave, then 65 DEG C are heated to, then add 8 parts of butyl acrylates, 2 parts of Potassium Persulphates and water to mix, reaction 3h, then 2 parts of aluminum sulfate aqueous solutions are dripped, breakdown of emulsion, filters, then washes 4 times with deionized water, then dry 7h in 45 DEG C of vacuum drying ovens, is cooled to room temperature modified nano calcium carbonate.
Heat-proof modifier is prepared by following technique: 15 parts of vinylbenzene, 2 parts of methyl methacrylates, 5 parts of emulsifying agents and 2 parts of divinylbenzenes are mixed by weight, then be warming up to 55 DEG C, then add 3 parts of Potassium Persulphates, be warming up to 80 DEG C, insulation 3h, obtains material a; 8 parts of soft water and 4 parts of calcium chloride are mixed, be warming up to 85 DEG C, then add material a, be warming up to 75 DEG C, be then cooled to room temperature, wash 4 times, removing impurity and water-soluble impurity, obtain heat-proof modifier after drying.
Coupling agent is that three oleoyl isopropyl titanates, isopropyl triisostearoyl titanate, anilinomethyl triethoxysilane, KH-580 silane coupling agent and KH570 silane coupling agent mix by weight for 5:3:5:2:3.
Embodiment 4
A kind of high tenacity heat resist modification pvc pipe that the present invention proposes, its raw material comprises by weight: polyvinyl chloride resin 85 parts, chlorinatedpolyethylene 55 parts, liquid butyronitrile rubber 45 parts, polyurethane elastomer 25 parts, modified nano calcium carbonate 3 parts, kaolin 4 parts, 3 parts, flyash, glass microballon 7 parts, 5 parts, glass fibre, titanium dioxide 5 parts, cured 4 parts of PE, methyl methacrylate 4 parts, acrylate 5 parts, heat-proof modifier 4 parts, coupling agent 3 parts.
Modified nano calcium carbonate is prepared by following technique: 3 parts of Sodium dodecylbenzene sulfonatees and deionized water are mixed by weight, stir 3.5min, then 2 parts of nano-calcium carbonates are added, stir under ultrasonic wave, then 72 DEG C are heated to, then add 5 parts of butyl acrylates, 5 parts of Potassium Persulphates and water to mix, reaction 1.5h, then 3.5 parts of aluminum sulfate aqueous solutions are dripped, breakdown of emulsion, filters, then washes 2 times with deionized water, then dry 5.5h in 52 DEG C of vacuum drying ovens, is cooled to room temperature modified nano calcium carbonate.
Heat-proof modifier is prepared by following technique: 8 parts of vinylbenzene, 7 parts of methyl methacrylates, 2 parts of emulsifying agents and 7 parts of divinylbenzenes are mixed by weight, then be warming up to 48 DEG C, then add 8 parts of Potassium Persulphates, be warming up to 65 DEG C, insulation 4.5h, obtains material a; 3 parts of soft water and 7 parts of calcium chloride are mixed, be warming up to 68 DEG C, then add material a, be warming up to 82 DEG C, be then cooled to room temperature, wash 2 times, removing impurity and water-soluble impurity, obtain heat-proof modifier after drying.
Coupling agent is that three oleoyl isopropyl titanates, isopropyl triisostearoyl titanate, anilinomethyl triethoxysilane, KH-580 silane coupling agent and KH570 silane coupling agent mix by weight for 3:5:2:5:1.5.
Embodiment 5
A kind of high tenacity heat resist modification pvc pipe that the present invention proposes, its raw material comprises by weight: polyvinyl chloride resin 115 parts, chlorinatedpolyethylene 35 parts, liquid butyronitrile rubber 75 parts, polyurethane elastomer 15 parts, modified nano calcium carbonate 7 parts, kaolin 2 parts, 5 parts, flyash, glass microballon 5 parts, 7 parts, glass fibre, titanium dioxide 2 parts, cured 8 parts of PE, methyl methacrylate 3 parts, acrylate 7 parts, heat-proof modifier 2 parts, coupling agent 5 parts.
Modified nano calcium carbonate is prepared by following technique: 5 parts of Sodium dodecylbenzene sulfonatees and deionized water are mixed by weight, stir 2.5min, then 4 parts of nano-calcium carbonates are added, stir under ultrasonic wave, then 68 DEG C are heated to, then add 7 parts of butyl acrylates, 3 parts of Potassium Persulphates and water to mix, reaction 2.5h, then 2.5 parts of aluminum sulfate aqueous solutions are dripped, breakdown of emulsion, filters, then washes 4 times with deionized water, then dry 6.5h in 48 DEG C of vacuum drying ovens, is cooled to room temperature modified nano calcium carbonate.
Heat-proof modifier is prepared by following technique: 12 parts of vinylbenzene, 3 parts of methyl methacrylates, 4 parts of emulsifying agents and 3 parts of divinylbenzenes are mixed by weight, then be warming up to 52 DEG C, then add 4 parts of Potassium Persulphates, be warming up to 75 DEG C, insulation 3.5h, obtains material a; 7 parts of soft water and 5 parts of calcium chloride are mixed, be warming up to 82 DEG C, then add material a, be warming up to 78 DEG C, be then cooled to room temperature, wash 4 times, removing impurity and water-soluble impurity, obtain heat-proof modifier after drying.
Coupling agent is that three oleoyl isopropyl titanates, isopropyl triisostearoyl titanate, anilinomethyl triethoxysilane, KH-580 silane coupling agent and KH570 silane coupling agent mix by weight for 4:4:4:3:2.5.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (8)

1. a high tenacity heat resist modification pvc pipe, it is characterized in that, its raw material comprises by weight: polyvinyl chloride resin 80-120 part, chlorinatedpolyethylene 30-60 part, liquid butyronitrile rubber 40-80 part, polyurethane elastomer 10-30 part, modified nano calcium carbonate 2-8 part, kaolin 1-5 part, flyash 2-6 part, glass microballon 4-8 part, glass fibre 4-8 part, titanium dioxide 1-6 part, the cured 3-9 part of PE, methyl methacrylate 2-5 part, acrylate 4-8 part, heat-proof modifier 1-5 part, coupling agent 2-6 part.
2. high tenacity heat resist modification pvc pipe according to claim 1, it is characterized in that, the raw material of modified nano calcium carbonate comprises by weight: Sodium dodecylbenzene sulfonate 2-6 part, nano-calcium carbonate 1-5 part, butyl acrylate 4-8 part, Potassium Persulphate 2-6 part, aluminum sulfate aqueous solution 2-4 part.
3. high tenacity heat resist modification pvc pipe according to claim 1 and 2, it is characterized in that, modified nano calcium carbonate is prepared by following technique: Sodium dodecylbenzene sulfonate and deionized water are mixed, stir 2-4min, then nano-calcium carbonate is added, stir under ultrasonic wave, then 65-75 DEG C is heated to, then butyl acrylate is added, Potassium Persulphate and water mix, reaction 1-3h, then aluminum sulfate aqueous solution is dripped, breakdown of emulsion, filter, then with deionized water washing 2-4 time, then dry 5-7h in 45-55 DEG C of vacuum drying oven, be cooled to room temperature modified nano calcium carbonate.
4. the high tenacity heat resist modification pvc pipe according to any one of claim 1-3, it is characterized in that, the raw material of heat-proof modifier comprises by weight: vinylbenzene 5-15 part, methyl methacrylate 2-8 part, emulsifying agent 1-5 part, divinylbenzene 2-8 part, Potassium Persulphate 3-9 part, soft water 2-8 part, calcium chloride 4-8 part.
5. the high tenacity heat resist modification pvc pipe according to any one of claim 1-4, it is characterized in that, heat-proof modifier is prepared by following technique: vinylbenzene, methyl methacrylate, emulsifying agent and divinylbenzene are mixed, then 45-55 DEG C is warming up to, then Potassium Persulphate is added, be warming up to 60-80 DEG C, insulation 3-5h, obtains material a; Soft water and calcium chloride are mixed, be warming up to 65-85 DEG C, then add material a, be warming up to 75-85 DEG C, be then cooled to room temperature, wash 2-4 time, removing impurity and water-soluble impurity, obtain heat-proof modifier after drying.
6. the high tenacity heat resist modification pvc pipe according to any one of claim 1-5; it is characterized in that, coupling agent is that three oleoyl isopropyl titanates, isopropyl triisostearoyl titanate, anilinomethyl triethoxysilane, KH-580 silane coupling agent and KH570 silane coupling agent mix by weight for 2-5:3-6:1-5:2-6:1-3.
7. the high tenacity heat resist modification pvc pipe according to any one of claim 1-6, it is characterized in that, its raw material comprises by weight: polyvinyl chloride resin 85-115 part, chlorinatedpolyethylene 35-55 part, liquid butyronitrile rubber 45-75 part, polyurethane elastomer 15-25 part, modified nano calcium carbonate 3-7 part, kaolin 2-4 part, flyash 3-5 part, glass microballon 5-7 part, glass fibre 5-7 part, titanium dioxide 2-5 part, the cured 4-8 part of PE, methyl methacrylate 3-4 part, acrylate 5-7 part, heat-proof modifier 2-4 part, coupling agent 3-5 part.
8. the high tenacity heat resist modification pvc pipe according to any one of claim 1-7, it is characterized in that, its raw material comprises by weight: polyvinyl chloride resin 100 parts, chlorinatedpolyethylene 45 parts, liquid butyronitrile rubber 60 parts, polyurethane elastomer 20 parts, modified nano calcium carbonate 5 parts, kaolin 3 parts, 4 parts, flyash, glass microballon 6 parts, 6 parts, glass fibre, titanium dioxide 3.5 parts, cured 6 parts of PE, methyl methacrylate 3.5 parts, acrylate 6 parts, heat-proof modifier 3 parts, coupling agent 4 parts.
CN201510923331.7A 2015-12-10 2015-12-10 High-toughness high temperature-resistant modified PVC pipe Pending CN105440481A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105802078A (en) * 2016-04-29 2016-07-27 黄宇松 High-strength polyvinyl chloride (PVC) pipe and preparation technology thereof
CN106751505A (en) * 2016-12-12 2017-05-31 天长市康宁塑胶科技有限公司 A kind of heat-resisting toughening modifying plastic material
CN107474441A (en) * 2017-09-18 2017-12-15 台州市恒辰塑业有限公司 A kind of modified polyvinyl chloride material
CN108948793A (en) * 2018-05-24 2018-12-07 贺州钟山县双文碳酸钙新材料有限公司 A kind of method of modifying of calcium carbonate and its application in PVC pipe
CN109867875A (en) * 2017-12-05 2019-06-11 呼和浩特市君子兰塑胶有限责任公司 A kind of PVC-U water-feeding pipes formula
CN110396262A (en) * 2019-09-03 2019-11-01 罗春华 A kind of dedicated enhancing composite plastic of heavy caliber blow-off line and preparation method
CN110713678A (en) * 2019-09-30 2020-01-21 安徽瑞琦塑胶科技有限公司 Preparation method of high-strength pipe for double-wall corrugated pipe

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105802078A (en) * 2016-04-29 2016-07-27 黄宇松 High-strength polyvinyl chloride (PVC) pipe and preparation technology thereof
CN106751505A (en) * 2016-12-12 2017-05-31 天长市康宁塑胶科技有限公司 A kind of heat-resisting toughening modifying plastic material
CN107474441A (en) * 2017-09-18 2017-12-15 台州市恒辰塑业有限公司 A kind of modified polyvinyl chloride material
CN107474441B (en) * 2017-09-18 2020-10-02 台州市恒辰塑业有限公司 Modified polyvinyl chloride material
CN109867875A (en) * 2017-12-05 2019-06-11 呼和浩特市君子兰塑胶有限责任公司 A kind of PVC-U water-feeding pipes formula
CN108948793A (en) * 2018-05-24 2018-12-07 贺州钟山县双文碳酸钙新材料有限公司 A kind of method of modifying of calcium carbonate and its application in PVC pipe
CN110396262A (en) * 2019-09-03 2019-11-01 罗春华 A kind of dedicated enhancing composite plastic of heavy caliber blow-off line and preparation method
CN110713678A (en) * 2019-09-30 2020-01-21 安徽瑞琦塑胶科技有限公司 Preparation method of high-strength pipe for double-wall corrugated pipe

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Application publication date: 20160330