CN105924831A - High-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe and preparing method thereof - Google Patents
High-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe and preparing method thereof Download PDFInfo
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- CN105924831A CN105924831A CN201610325347.2A CN201610325347A CN105924831A CN 105924831 A CN105924831 A CN 105924831A CN 201610325347 A CN201610325347 A CN 201610325347A CN 105924831 A CN105924831 A CN 105924831A
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L9/00—Rigid pipes
- F16L9/12—Rigid pipes of plastics with or without reinforcement
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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
- C08L2201/08—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
Abstract
The invention discloses a high-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe. The high-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe is prepared from, by weight, 29-30 parts of ultrafine fully-vulcanized powder rubber, 68-70 parts of PVCSG-3, 2-2.3 parts of zinc oxide nanowires, 3-3.2 parts of cerous nitrate, 70-80 parts of deionized water, 1.6-1.8 parts of butyl acrylate, 0.2-0.3 part of ammonium persulfate, 1.5-1.8 parts of nanosilicon dioxide, 1.3-1.5 parts of nano-porous carbon, 1.5-1.6 parts of aluminum isopropoxide, 6-7 parts of isopropyl alcohol, 2.6-2.8 parts of dodecafluoroheptyl-propyl-trimethoxysilane, 60-70 parts of ethyl alcohol and 15-16 parts of ammonium hydroxide. According to the high-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe, the nano-porous carbon is modified through the nanosilicon dioxide and the aluminum isopropoxide, the nano-porous carbon is good in adsorption performance, the nanosilicon dioxide and the aluminum isopropoxide are adsorbed to the surface and the interior of the nano-porous carbon, and therefore the antifouling performance, the heat resistance and the aging resistance of the water pipe are improved.
Description
Technical field
The present invention relates to PVC water pipe technical field, particularly relate to a kind of antifouling height ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe and preparation method thereof.
Background technology
Pressure feed water plastic pipe should have high intensity and high tenacity simultaneously.RPVC (PVC-U) water-feeding pipes toughness is not enough, easy booster under the effect of external condition, and the mechanical property improving PVC-U material is to improve the effective way in product service life." the ultra-fine fully vulcanized powder rubber study on the modification to RPVC " literary composition is for this practical problem, from toughness reinforcing, the basic ideas of Reinforced PVC-U material property, use high model resin extruded PVC-U water-feeding pipes first, use full sulfuration ultra fine powder rubber blending and modifying PVC-U material first, inquire into the effect of micro-crosslinking agent chemical modification PVC-U material.By testing the mechanical property of PVC-U system, observe the microstructure of blending modification system, obtain following Main Conclusions: 1. pass through contrast experiment, show that SG-3 resin or SG-3 with SG-5 resin are individually more preferable by SG-5 resin material performance with certain proportion mix ratio, it is suitable for producing feedwater piping, has been used for actual production.2. in four kinds of stabilizers of FWR-Z, SMS318, Ca-Zn and organotin, FWR-Z stabilizer performance is worst.Water-feeding pipes should use organotin, Ca-Zn, SMS-318 stabilizer.Pipe fitting stabilizer cannot be used for producing tubing, jelly grade too much can be made because of in-lubricant excessive, affect the mechanical properties.3., under experimental condition herein, the effect of the impact strength that three kinds of full sulfuration superfine powder art rubber improves PVC system is different, and PNBR is better than ACM, and ACM is better than XNBR.When powdered rubber content is below 5 parts, the impact strength of co-mixing system rises after falling before.When PNBR is 3 parts, the impact strength of co-mixing system rises very fast, exceedes the impact strength of pure PVC, but is necessary to improve further the amplitude of increase, keeps hot strength not reduce.4. under experimental condition herein, by observing the microstructure of PNBR/PVC co-mixing system section, finding that in different microcell, PNBR dispersion situation is different, rubber has the bundles of phenomenon of gathering, also has finely dispersed phenomenon.When using banburying mode to be blended, it is possible to observing the microcell that PNBR dispersion size is less, its single particle is closely sized to 100nm, presents fundamental particle dispersity.Ultra-fine fully vulcanized powder rubber to the study on the modification 5. of RPVC under this paper experimental condition, genuine milk rubber shares with powder butyronitrile rubber, the interface of powder butyronitrile rubber and PVC can be improved, co-mixing system impact strength is made to be improved, in system microstructure, rubber particles dispersion size is less, shows coordination plasticizing effect.After more than 6.1 parts powdered rubbers mix with PVC, the master stream property of compound is deteriorated, and affects the dispersion of powdered rubber particle, and then affects performance, should improve powdered rubber surface appearance.The most under experimental conditions, the micro-crosslinking agent TAIC less than 0.1 part can to a certain degree improve the mechanical property of PVC.In order to take into account processing characteristics and the requirement of product appearance quality in actual production, after reducing the consumption of crosslinking agent, mechanical property is without significantly improving.
The water pipe obtained by this research has good intensity and toughness, but the easy corrosion and ageing of rubber, heat resistance is poor, affect the service life of water pipe, need to improve, it addition, the progress also needing to the change according to environment and production improves the toughness of water pipe, antibiotic property, corrosion resistance, quiet performance, elasticity, environmental protection, wear-resisting, antistatic behaviour, tensile strength, antifouling, radioresistance, the performance such as fire-retardant.
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of antifouling height ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of antifouling height ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe, is prepared by the raw materials in: ultra-fine fully vulcanized powder rubber 29-30, PVCSG-3 68-70, zinc oxide nanowire 2-2.3, cerous nitrate 3-3.2, deionized water 70-80, butyl acrylate 1.6-1.8, ammonium persulfate 0.2-0.3, nano silicon 1.5-1.8, nanoporous carbon 1.3-1.5, aluminium isopropoxide 1.5-1.6, isopropanol 6-7, ten difluoro heptyl propyl trimethoxy silicane 2.6-2.8, ethanol 60-70, ammoniacal liquor 15-16.
The preparation method of described antifouling ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe, comprises the following steps:
(1) nanoporous carbon, aluminium isopropoxide, isopropanol are mixed, add nano silicon and mix, dry, pulverize 100 mesh sieves, obtain modified Nano porous carbon；
(2) by modified Nano porous carbon, cerous nitrate, deionized water mixing, stirring obtains solution, adds ultra-fine fully vulcanized powder rubber, the most while stirring ammoniacal liquor is slowly added dropwise in people's said mixture, at 30-35 DEG C, stirring reaction 3-3.5h, filtration drying, obtain powder；
(3) by butyl acrylate, ten difluoro heptyl propyl trimethoxy silicane mixing, add ethanol to stir, add described powder, zinc oxide nanowire, stir, add ammonium persulfate, be heated to 60-70 DEG C, stir 30-40 minute, filtration drying, obtains modified superfine fully vulcanized powder rubber；
(4) being mixed with other residual components by modified superfine fully vulcanized powder rubber, carry out banburying, spinner velocity is 40rpm, and temperature is 180-185 DEG C, mixes 10-12 minute, then carries out granulation, injection, to obtain final product.
The invention have the advantage that and by the present invention in that and with cerous nitrate, ultra-fine fully vulcanized powder rubber is modified, nano-cerium oxide in powdered rubber surface deposition, improve heat resistance and the resistance to ag(e)ing of powdered rubber, but it is so that the polarity of powdered rubber strengthens, reduce reinforcing property, re-use zinc oxide nanowire, butyl acrylate, ten difluoro heptyl propyl trimethoxy silicanes are modified, active group and nano wire at powdered rubber surface grafting, and improve lubricity, improve dispersiveness and the resistance to water of powdered rubber, improve powdered rubber and the contact area of PVC and adhesion strength, improve the notch impact strength of water pipe, toughness, improve resistance to ag(e)ing simultaneously；By using nano silicon, aluminium isopropoxide that nanoporous carbon is modified, the excellent adsorption of nanoporous carbon, nano silicon, aluminium isopropoxide has been adsorbed on surface and inside, improve the dispersiveness of nanoporous carbon, water pipe is uniformly dispersed, improves the soil resistance of water pipe, heat resistance and resistance to ag(e)ing.
Detailed description of the invention
A kind of antifouling height ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe, is made up of the raw material of following weight portion (kilogram): ultra-fine fully vulcanized powder rubber 29, PVCSG-3 68, zinc oxide nanowire 2, cerous nitrate 3, deionized water 70, butyl acrylate 1.6, ammonium persulfate 0.2, nano silicon 1.5, nanoporous carbon 1.3, aluminium isopropoxide 1.5, isopropanol 6, ten difluoro heptyl propyl trimethoxy silicane 2.6, ethanol 60, ammoniacal liquor 15.
The preparation method of described antifouling ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe, comprises the following steps:
(1) nanoporous carbon, aluminium isopropoxide, isopropanol are mixed, add nano silicon and mix, dry, pulverize 100 mesh sieves, obtain modified Nano porous carbon；
(2) by modified Nano porous carbon, cerous nitrate, deionized water mixing, stirring obtains solution, adds ultra-fine fully vulcanized powder rubber, be slowly added dropwise by ammoniacal liquor the most while stirring in people's said mixture, and at 30 DEG C, stirring reaction 3h, filtration drying, obtain powder；
(3) by butyl acrylate, ten difluoro heptyl propyl trimethoxy silicane mixing, add ethanol and stir, add described powder, zinc oxide nanowire, stir, add ammonium persulfate, be heated to 60 DEG C, stir 30 minutes, filtration drying, obtain modified superfine fully vulcanized powder rubber；
(4) being mixed with other residual components by modified superfine fully vulcanized powder rubber, carry out banburying, spinner velocity is 40rpm, and temperature is 180 DEG C, mixes 10 minutes, then carries out granulation, injection, to obtain final product.
The notch impact strength of the present embodiment supplying pipe is 15.9KJ/m2, hot strength is 79.3MPa, and elongation at break is 88.3%.
Claims (2)
1. an antifouling height ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe, it is characterised in that be prepared by the raw materials in: ultra-fine fully vulcanized powder rubber 29-30, PVCSG-3 68-70, zinc oxide nanowire 2-2.3, cerous nitrate 3-3.2, deionized water 70-80, butyl acrylate 1.6-1.8, ammonium persulfate 0.2-0.3, nano silicon 1.5-1.8, nanoporous carbon 1.3-1.5, aluminium isopropoxide 1.5-1.6, isopropanol 6-7, ten difluoro heptyl propyl trimethoxy silicane 2.6-2.8, ethanol 60-70, ammoniacal liquor 15-16.
The preparation method of antifouling ultra-fine fully vulcanized powder rubber polyvinyl chloride composite water pipe the most according to claim 1, it is characterised in that comprise the following steps:
(1) nanoporous carbon, aluminium isopropoxide, isopropanol are mixed, add nano silicon and mix, dry, pulverize 100 mesh sieves, obtain modified Nano porous carbon；
(2) by modified Nano porous carbon, cerous nitrate, deionized water mixing, stirring obtains solution, adds ultra-fine fully vulcanized powder rubber, the most while stirring ammoniacal liquor is slowly added dropwise in people's said mixture, at 30-35 DEG C, stirring reaction 3-3.5h, filtration drying, obtain powder；
(3) by butyl acrylate, ten difluoro heptyl propyl trimethoxy silicane mixing, add ethanol to stir, add described powder, zinc oxide nanowire, stir, add ammonium persulfate, be heated to 60-70 DEG C, stir 30-40 minute, filtration drying, obtains modified superfine fully vulcanized powder rubber；
(4) being mixed with other residual components by modified superfine fully vulcanized powder rubber, carry out banburying, spinner velocity is 40rpm, and temperature is 180-185 DEG C, mixes 10-12 minute, then carries out granulation, injection, to obtain final product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610325347.2A CN105924831A (en) | 2016-05-17 | 2016-05-17 | High-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe and preparing method thereof |
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| CN201610325347.2A CN105924831A (en) | 2016-05-17 | 2016-05-17 | High-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe and preparing method thereof |
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| CN105924831A true CN105924831A (en) | 2016-09-07 |
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| CN201610325347.2A Pending CN105924831A (en) | 2016-05-17 | 2016-05-17 | High-antifouling ultrafine-fully-vulcanized-powder-rubber and polyvinyl-chloride composite water pipe and preparing method thereof |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103483716A (en) * | 2012-06-08 | 2014-01-01 | 中国石油化工股份有限公司 | Hard impact-resistant polyvinyl chloride composition and preparation method thereof |
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- 2016-05-17 CN CN201610325347.2A patent/CN105924831A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103483716A (en) * | 2012-06-08 | 2014-01-01 | 中国石油化工股份有限公司 | Hard impact-resistant polyvinyl chloride composition and preparation method thereof |
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