CN108570180A - A kind of polyethylene water-feeding pipes and preparation method thereof having excellent weather resistance - Google Patents
A kind of polyethylene water-feeding pipes and preparation method thereof having excellent weather resistance Download PDFInfo
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- CN108570180A CN108570180A CN201810415211.XA CN201810415211A CN108570180A CN 108570180 A CN108570180 A CN 108570180A CN 201810415211 A CN201810415211 A CN 201810415211A CN 108570180 A CN108570180 A CN 108570180A
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- 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
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Abstract
The present invention relates to a kind of polyethylene water-feeding pipes and preparation method thereof having excellent weather resistance, and the tubing is made of following raw material：Polyethylene, modified poly ethylene, aerosil, calcium stearate, modified poly ethylene is by polyethylene powder, modified SEBS, polyvinyl alcohol, polymethyl methacrylate and makrolon reaction are made, modified SEBS is by SEBS, ethylene propylene diene rubber, polyester hot-melt adhesive and modified nano calcium carbonate reaction are made, modified nano calcium carbonate is by nano-calcium carbonate, ethyl alcohol, water, hydroxy silicon oil 107 and the reactions of hydroxy silicon oil JF M30 203 are made, aerosil is by tetraethyl orthosilicate, ethyl alcohol, water, nonionic surfactant Lutensol XP 50 and nonionic surfactant Lutensol XP 70 reactions are made.Tubing provided by the invention has excellent weatherability and oxidation induction performance.
Description
Technical field
The present invention relates to polyethylene pipe fields, and in particular to a kind of polyethylene water-feeding pipes having excellent weather resistance and its system
Preparation Method.
Background technology
Polyethylene is one of the most frequently used synthetic plastic tubing resin.Polyethylene have excellent elongation at break, toughness,
The advantages such as the burn into of resistance to industrial chemicals resistance to pressure, electrical insulating property, processing performance, low-density, nontoxic, mechanical strength.Polyethylene is wide
It is general to be applied to the necks such as water supply and sewerage pipeline, chemical industry blow-off line, tap water conveyance conduit, industrial chemicals conveyance conduit, electric wire
Domain.
Currently, polythene material needs further to be promoted in weatherability and oxidation induction performance.The present invention using polyethylene,
Modified poly ethylene, aerosil, calcium stearate are prepared for the polyethylene water-feeding pipes having excellent weather resistance, prepared by this method
The polyethylene water-feeding pipes having excellent weather resistance have excellent weatherability and oxidation induction performance.
Invention content
The purpose of the present invention is to provide a kind of preparation method for the polyethylene water-feeding pipes having excellent weather resistance, this method is logical
Change reactant feed and technology mode are crossed, the material of preparation has excellent weatherability and oxidation induction performance.
To achieve the goals above, technical scheme is as follows.
A kind of polyethylene water-feeding pipes and preparation method thereof having excellent weather resistance, specifically include following steps：(1), by silicon
Sour tetra-ethyl ester, ethyl alcohol, nonionic surfactant Lutensol XP-50 and nonionic surfactant Lutensol XP-70
It is 90 according to quality parts ratio：185~225：8~19：9~17 are added in reaction kettle, and mixing speed is 400~550r/
Min reacts 50min under the conditions of 25~33 DEG C of maintenance system temperature, by quality parts ratio be 9~23 water according to 0.05 mass
Part/min is added in reaction kettle, and after the completion of to be added, the 40min that maintains under above-mentioned reaction condition that the reaction was continued shifts product
Into hydrothermal reaction kettle, 2~6h is reacted under the conditions of 185~200 DEG C of maintenance system temperature, product subtracts through 125 DEG C, -0.08MPa
Pressure distillation 1h, product wash 5 times through 1L EtOH Sonicates, are dried in vacuo 15min in 75 DEG C, -0.07MPa, grinding obtains titanium dioxide
Silica aerogel；(2), it is 70 according to quality parts ratio by nano-calcium carbonate, ethyl alcohol, water：55~67：7~15 to be added to hydro-thermal anti-
Answer in kettle, under the conditions of 115~128 DEG C of maintenance system temperature react 30~45min, product through filtering, 56 DEG C, -0.05MPa it is true
The dry 9min of sky, is 18~27 by product and quality parts ratio：14~25 hydroxy silicon oil 107 and hydroxy silicon oil JF-M30-203
It is added in hydrothermal reaction kettle, 1~2h is reacted under the conditions of 175~198 DEG C of maintenance system temperature, product shakes through filtering, 2L ethyl alcohol
Washing 3 times is swung, 11min is dried in vacuo in 70 DEG C, -0.08MPa, obtains modified nano calcium carbonate；(3), by SEBS, EPDM
Rubber, polyester hot-melt adhesive and modified nano calcium carbonate are 80 according to quality parts ratio：13~25：11~20：35~41 are added to
In ball mill, drum speed is 15~31 r/min, and 21~33min is reacted under the conditions of 0~10 DEG C of maintenance system temperature, with squeezing
Go out machine in 185~197 DEG C of extruding pelletizations of temperature, crushes to get to modified SEBS；(4), by polyethylene powder, modified SEBS, poly- second
Enol, polymethyl methacrylate and makrolon are 30 according to quality parts ratio：19~27：9~22：7~16：6~14 add
Enter and crushed into pulverizer, transferred the material into ball mill, drum speed be 18~30r/min, maintenance system temperature 10~
20~35min is reacted under the conditions of 19 DEG C, with extruder in 195~210 DEG C of extruding pelletizations of temperature, is crushed to get to the poly- second of modification
Alkene；(5), it is 90 according to quality parts ratio by polyethylene, modified poly ethylene, aerosil, calcium stearate：18~32：
16~30：2~6 are added in ball mill, and drum speed is 21~38 r/min, anti-under the conditions of -5~5 DEG C of maintenance system temperature
27~39min is answered, with extruder in 185~197 DEG C of extrusion moldings of temperature to get to the polyethylene feed pipe having excellent weather resistance
Material.
The preparation method of the polyethylene water-feeding pipes of the present invention having excellent weather resistance, includes the following steps：
(1), by tetraethyl orthosilicate, ethyl alcohol, nonionic surfactant Lutensol XP-50 and nonionic surfactant
Lutensol XP-70 are 90 according to quality parts ratio：185~225：8~19：9~17 are added in reaction kettle, mixing speed
For 400~550r/min, 50min is reacted under the conditions of 25~33 DEG C of maintenance system temperature, the water for being 9~23 by quality parts ratio
It is added in reaction kettle according to 0.05 mass parts/min, after the completion of to be added, maintains under above-mentioned reaction condition that the reaction was continued
Product is transferred in hydrothermal reaction kettle by 40min, and 2~6h, product warp are reacted under the conditions of 185~200 DEG C of maintenance system temperature
125 DEG C, -0.08MPa vacuum distillation 1h, product are washed 5 times through 1L EtOH Sonicates, are dried in vacuo in 75 DEG C, -0.07MPa
15min, grinding, obtains aerosil；The nonionic surfactant Lutensol XP-50 and nonionic table
The purpose of face activator Lutensol XP-70 improves silica airsetting to improve the dispersing uniformity of System forming drop
The porosity of glue.
(2), it is 70 according to quality parts ratio by nano-calcium carbonate, ethyl alcohol, water：55~67：7~15 are added to hydro-thermal reaction
In kettle, 30~45min is reacted under the conditions of 115~128 DEG C of maintenance system temperature, product is through filtering, 56 DEG C, -0.05MPa vacuum
Product and quality parts ratio are 18~27 by dry 9min：14~25 hydroxy silicon oil 107 and hydroxy silicon oil JF-M30-203 adds
It adds in hydrothermal reaction kettle, 1~2h is reacted under the conditions of 175~198 DEG C of maintenance system temperature, product is vibrated through filtering, 2L ethyl alcohol
Washing 3 times is dried in vacuo 11min in 70 DEG C, -0.08MPa, obtains modified nano calcium carbonate；The hydroxy silicon oil 107 and hydroxyl
The purpose of base silicone oil JF-M30-203 induces performance to improve the oxidation of polyethylene feed pipe.
(3), it is 80 according to quality parts ratio by SEBS, ethylene propylene diene rubber, polyester hot-melt adhesive and modified nano calcium carbonate：
13~25：11~20：35~41 are added in ball mill, and drum speed is 15~31 r/min, maintenance system temperature 0~10
21~33min is reacted under the conditions of DEG C, with extruder in 185~197 DEG C of extruding pelletizations of temperature, is crushed to get to modified SEBS；Institute
The purpose of the ethylene propylene diene rubber and polyester hot-melt adhesive stated is in order to improve to the weather-proof of the wellability of raw material and polyethylene feed pipe
Property.
(4), by polyethylene powder, modified SEBS, polyvinyl alcohol, polymethyl methacrylate and makrolon according to mass parts
Number is than being 30：19~27：9~22：7~16：6~14 are added in pulverizer and crush, and transfer the material into ball mill, cylinder
Rotating speed is 18~30r/min, and 20~35min is reacted under the conditions of 10~19 DEG C of maintenance system temperature, with extruder temperature 195~
210 DEG C of extruding pelletizations crush to get to modified poly ethylene；Polyvinyl alcohol, polymethyl methacrylate and the makrolon
Purpose in order to improve dispersion and the mixing uniformity of storeroom.
(5), it is 90 according to quality parts ratio by polyethylene, modified poly ethylene, aerosil, calcium stearate：18
~32：16~30：2~6 are added in ball mill, and drum speed is 21~38 r/min, -5~5 DEG C of items of maintenance system temperature
Under part react 27~39min, with extruder 185~197 DEG C of extrusion moldings of temperature to get to the polyethylene having excellent weather resistance to
Water pipe material.
The beneficial effects of the present invention are：
1, tetraethyl orthosilicate is in nonionic surfactant Lutensol XP-50 and nonionic surfactant Lutensol
In the presence of XP-70 emulsifiers, by the small sized drop of material shape and it can be dispersed in ethanol solution, under hydrothermal conditions
Improve the porosity of the stability and aerosil of drop；The aerosil of preparation can improve polyethylene water supply
The resistance to oxidation of pipe induces performance；
2, after nano-calcium carbonate is surface-treated by ethanol water, by hydro-thermal reaction, hydroxy silicon oil 107 and hydroxyl silicon
Oily JF-M30-203 is surface modified nano-calcium carbonate, can improve the resistance to oxidation induction performance of nano-calcium carbonate；It prepares
Modified nano calcium carbonate can improve the resistance to oxidation induction performance of polyethylene feed pipe；
3, ethylene propylene diene rubber and polyester hot-melt adhesive at high temperature, have excellent wellability to material surface, can be to material table
Face is infiltrated, and the compatibility and dispersion stabilization of storeroom are improved, and the modified SEBS of preparation can improve polyethylene feed pipe
Weatherability and resistance to oxidation inductivity；
4, polyvinyl alcohol, polymethyl methacrylate and makrolon have larger rigidity and hardness, by crushing and ball milling
Processing, while capable of significantly improving fineness of materials, improves the mixing uniformity of storeroom；The modified poly ethylene of preparation can improve object
Mixing uniformity between material, to which the weatherability and resistance to oxidation for improving polyethylene feed pipe induce performance；
5, under polyethylene, modified poly ethylene, aerosil synergistic effect, the polyethylene water supply having excellent weather resistance is assigned
The excellent weatherability of tubing and resistance to oxidation induce performance.
Specific implementation mode
The specific implementation mode of the present invention is described with reference to embodiment, to be better understood from the present invention.
Embodiment 1
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), 90 parts of tetraethyl orthosilicates, 195 parts of ethyl alcohol, 12 parts of nonionic surfactant Lutensol XP-50 and 11 parts are weighed
Nonionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 470r/min, maintenance system temperature
50min is reacted under the conditions of 28 DEG C, 13 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, in maintenance
The 40min that states under reaction condition that the reaction was continued, product is transferred in hydrothermal reaction kettle, anti-under the conditions of 195 DEG C of maintenance system temperature
2.5h, product is answered to be evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa
It is dried in vacuo 15min, grinding obtains aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 62 parts of ethyl alcohol, 10 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 122
37min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 22 parts of hydroxy silicon oils
107 and 18 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, are reacted under the conditions of 188 DEG C of maintenance system temperature
1.4h, product are dried in vacuo 11min in 70 DEG C, -0.08MPa, obtain modified Nano carbon through filtering, 2L ethyl alcohol oscillation washing 3 times
Sour calcium；
(3), 80 parts of SEBS, 17 parts of ethylene propylene diene rubbers, 16 parts of polyester hot-melt adhesives and 38 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed is 21 r/min, 26min is reacted under the conditions of 3 DEG C of maintenance system temperature, with extruder in temperature
189 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), weigh 30 parts of polyethylene powders, 23 parts of modified SEBSs, 14 parts of polyvinyl alcohol, 2488,10 parts of polymethyl methacrylates and
8 parts of makrolon are added in pulverizer and crush, and transfer the material into ball mill, drum speed 25r/min, maintenance system
27min is reacted under the conditions of 12 DEG C of temperature, with extruder in 203 DEG C of extruding pelletizations of temperature, is crushed to get to modified poly ethylene；
(5), 90 parts of polyethylene, 22 parts of modified poly ethylenes, 19 parts of aerosils, 4 parts of calcium stearates are weighed and are added to ball
In grinding machine, drum speed is 28 r/min, reacts 32min under the conditions of 0 DEG C of maintenance system temperature, with extruder in 194 DEG C of temperature
Extrusion molding is to get to the polyethylene water-feeding pipes having excellent weather resistance.
Embodiment 2
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), it is non-that 90 parts of tetraethyl orthosilicates, 185 parts of ethyl alcohol, 8 parts of nonionic surfactant Lutensol XP-50 and 9 parts are weighed
Ionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 400r/min, maintenance system temperature 25
50min is reacted under the conditions of DEG C, 9 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, remains above-mentioned anti-
The reaction was continued under the conditions of answering 40min, product is transferred in hydrothermal reaction kettle, is reacted under the conditions of 185 DEG C of maintenance system temperature
6h, product are evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, and product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa vacuum
Dry 15min, grinding obtain aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 55 parts of ethyl alcohol, 7 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 115
45min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 18 parts of hydroxy silicon oils
107 and 14 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, react 2h under the conditions of 175 DEG C of maintenance system temperature,
Product is dried in vacuo 11min in 70 DEG C, -0.08MPa, obtains modified nano calcium carbonate through filtering, 2L ethyl alcohol oscillation washing 3 times；
(3), 80 parts of SEBS, 13 parts of ethylene propylene diene rubbers, 11 parts of polyester hot-melt adhesives and 35 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed is 15 r/min, 33min is reacted under the conditions of 0 DEG C of maintenance system temperature, with extruder in temperature
185 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), 30 parts of polyethylene powders, 19 parts of modified SEBSs, 9 parts of polyvinyl alcohol, 2488,7 parts of polymethyl methacrylates and 6 are weighed
Part makrolon, which is added in pulverizer, to be crushed, and is transferred the material into ball mill, drum speed 18r/min, maintenance system
35min is reacted under the conditions of 10 DEG C of temperature, with extruder in 195 DEG C of extruding pelletizations of temperature, is crushed to get to modified poly ethylene；
(5), 90 parts of polyethylene, 18 parts of modified poly ethylenes, 16 parts of aerosils, 2 parts of calcium stearates are weighed and are added to ball
In grinding machine, drum speed is 21 r/min, 39min is reacted under the conditions of -5 DEG C of maintenance system temperature, with extruder in temperature 185
DEG C extrusion molding is to get to the polyethylene water-feeding pipes having excellent weather resistance.
Embodiment 3
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), 90 parts of tetraethyl orthosilicates, 225 parts of ethyl alcohol, 19 parts of nonionic surfactant Lutensol XP-50 and 17 parts are weighed
Nonionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 550r/min, maintenance system temperature
50min is reacted under the conditions of 33 DEG C, 23 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, in maintenance
The 40min that states under reaction condition that the reaction was continued, product is transferred in hydrothermal reaction kettle, anti-under the conditions of 200 DEG C of maintenance system temperature
Answer 2h, product is evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, and product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa it is true
The dry 15min of sky, grinding obtain aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 67 parts of ethyl alcohol, 15 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 128
30min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 27 parts of hydroxy silicon oils
107 and 25 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, react 1h under the conditions of 198 DEG C of maintenance system temperature,
Product is dried in vacuo 11min in 70 DEG C, -0.08MPa, obtains modified nano calcium carbonate through filtering, 2L ethyl alcohol oscillation washing 3 times；
(3), 80 parts of SEBS, 25 parts of ethylene propylene diene rubbers, 20 parts of polyester hot-melt adhesives and 41 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed is 31 r/min, 21min is reacted under the conditions of 10 DEG C of maintenance system temperature, with extruder in temperature
197 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), weigh 30 parts of polyethylene powders, 27 parts of modified SEBSs, 22 parts of polyvinyl alcohol, 2488,16 parts of polymethyl methacrylates and
14 parts of makrolon are added in pulverizer and crush, and transfer the material into ball mill, drum speed 30r/min, maintain body
It is to react 20min under the conditions of 19 DEG C of temperature, with extruder in 210 DEG C of extruding pelletizations of temperature, crushes to get to modified poly ethylene；
(5), 90 parts of polyethylene, 32 parts of modified poly ethylenes, 30 parts of aerosils, 6 parts of calcium stearates are weighed and are added to ball
In grinding machine, drum speed is 38 r/min, reacts 27min under the conditions of 5 DEG C of maintenance system temperature, with extruder in 197 DEG C of temperature
Extrusion molding is to get to the polyethylene water-feeding pipes having excellent weather resistance.
Embodiment 4
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), 90 parts of tetraethyl orthosilicates, 190 parts of ethyl alcohol, 15 parts of nonionic surfactant Lutensol XP-50 and 10 parts are weighed
Nonionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 420r/min, maintenance system temperature
50min is reacted under the conditions of 29 DEG C, 16 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, in maintenance
The 40min that states under reaction condition that the reaction was continued, product is transferred in hydrothermal reaction kettle, anti-under the conditions of 188 DEG C of maintenance system temperature
3.9h, product is answered to be evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa
It is dried in vacuo 15min, grinding obtains aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 61 parts of ethyl alcohol, 10 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 127
39min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 22 parts of hydroxy silicon oils
107 and 17 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, are reacted under the conditions of 186 DEG C of maintenance system temperature
1.8h, product are dried in vacuo 11min in 70 DEG C, -0.08MPa, obtain modified Nano carbon through filtering, 2L ethyl alcohol oscillation washing 3 times
Sour calcium；
(3), 80 parts of SEBS, 21 parts of ethylene propylene diene rubbers, 17 parts of polyester hot-melt adhesives and 38 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed is 19 r/min, 23min is reacted under the conditions of 4 DEG C of maintenance system temperature, with extruder in temperature
192 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), 30 parts of polyethylene powders, 23 parts of modified SEBSs, 15 parts of polyvinyl alcohol, 2488,9 parts of polymethyl methacrylates and 7 are weighed
Part makrolon, which is added in pulverizer, to be crushed, and is transferred the material into ball mill, drum speed 20r/min, maintenance system
26min is reacted under the conditions of 17 DEG C of temperature, with extruder in 199 DEG C of extruding pelletizations of temperature, is crushed to get to modified poly ethylene；
(5), 90 parts of polyethylene, 23 parts of modified poly ethylenes, 19 parts of aerosils, 5 parts of calcium stearates are weighed and are added to ball
In grinding machine, drum speed is 31 r/min, reacts 29min under the conditions of 4 DEG C of maintenance system temperature, with extruder in 187 DEG C of temperature
Extrusion molding is to get to the polyethylene water-feeding pipes having excellent weather resistance.
Embodiment 5
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), 90 parts of tetraethyl orthosilicates, 193 parts of ethyl alcohol, 9 parts of nonionic surfactant Lutensol XP-50 and 11 parts are weighed
Nonionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 500r/min, maintenance system temperature
50min is reacted under the conditions of 32 DEG C, 22 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, in maintenance
The 40min that states under reaction condition that the reaction was continued, product is transferred in hydrothermal reaction kettle, anti-under the conditions of 192 DEG C of maintenance system temperature
4.5h, product is answered to be evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa
It is dried in vacuo 15min, grinding obtains aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 61 parts of ethyl alcohol, 9 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 121
34min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 23 parts of hydroxy silicon oils
107 and 20 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, are reacted under the conditions of 191 DEG C of maintenance system temperature
1.7h, product are dried in vacuo 11min in 70 DEG C, -0.08MPa, obtain modified Nano carbon through filtering, 2L ethyl alcohol oscillation washing 3 times
Sour calcium；
(3), 80 parts of SEBS, 16 parts of ethylene propylene diene rubbers, 17 parts of polyester hot-melt adhesives and 36 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed is 27 r/min, 30min is reacted under the conditions of 1 DEG C of maintenance system temperature, with extruder in temperature
191 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), weigh 30 parts of polyethylene powders, 22 parts of modified SEBSs, 21 parts of polyvinyl alcohol, 2488,12 parts of polymethyl methacrylates and
11 parts of makrolon are added in pulverizer and crush, and transfer the material into ball mill, drum speed 20r/min, maintain body
It is to react 34min under the conditions of 11 DEG C of temperature, with extruder in 207 DEG C of extruding pelletizations of temperature, crushes to get to modified poly ethylene；
(5), 90 parts of polyethylene, 28 parts of modified poly ethylenes, 27 parts of aerosils, 5.2 parts of calcium stearates are weighed to be added to
In ball mill, drum speed is 36 r/min, 36min is reacted under the conditions of -4 DEG C of maintenance system temperature, with extruder in temperature
192 DEG C of extrusion moldings are to get to the polyethylene water-feeding pipes having excellent weather resistance.
Embodiment 6
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), 90 parts of tetraethyl orthosilicates, 210 parts of ethyl alcohol, 18 parts of nonionic surfactant Lutensol XP-50 and 15 parts are weighed
Nonionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 510r/min, maintenance system temperature
50min is reacted under the conditions of 28 DEG C, 17 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, in maintenance
The 40min that states under reaction condition that the reaction was continued, product is transferred in hydrothermal reaction kettle, anti-under the conditions of 193 DEG C of maintenance system temperature
3.4h, product is answered to be evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa
It is dried in vacuo 15min, grinding obtains aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 59 parts of ethyl alcohol, 13 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 117
36min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 26 parts of hydroxy silicon oils
107 and 19 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, are reacted under the conditions of 197 DEG C of maintenance system temperature
1.1h, product are dried in vacuo 11min in 70 DEG C, -0.08MPa, obtain modified Nano carbon through filtering, 2L ethyl alcohol oscillation washing 3 times
Sour calcium；
(3), 80 parts of SEBS, 22 parts of ethylene propylene diene rubbers, 14 parts of polyester hot-melt adhesives and 40 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed is 19 r/min, 30min is reacted under the conditions of 3 DEG C of maintenance system temperature, with extruder in temperature
192 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), weigh 30 parts of polyethylene powders, 21 parts of modified SEBSs, 16 parts of polyvinyl alcohol, 2488,13 parts of polymethyl methacrylates and
10 parts of makrolon are added in pulverizer and crush, and transfer the material into ball mill, drum speed 21r/min, maintain body
It is to react 27min under the conditions of 16 DEG C of temperature, with extruder in 199 DEG C of extruding pelletizations of temperature, crushes to get to modified poly ethylene；
(5), 90 parts of polyethylene, 22 parts of modified poly ethylenes, 24 parts of aerosils, 4.3 parts of calcium stearates are weighed to be added to
In ball mill, drum speed is 28 r/min, 33min is reacted under the conditions of -2 DEG C of maintenance system temperature, with extruder in temperature
194 DEG C of extrusion moldings are to get to the polyethylene water-feeding pipes having excellent weather resistance.
Embodiment 7
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), 90 parts of tetraethyl orthosilicates, 220 parts of ethyl alcohol, 11 parts of nonionic surfactant Lutensol XP-50 and 15 parts are weighed
Nonionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 515r/min, maintenance system temperature
50min is reacted under the conditions of 31 DEG C, 20 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, in maintenance
The 40min that states under reaction condition that the reaction was continued, product is transferred in hydrothermal reaction kettle, anti-under the conditions of 195 DEG C of maintenance system temperature
5.5h, product is answered to be evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa
It is dried in vacuo 15min, grinding obtains aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 62 parts of ethyl alcohol, 11 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 127
40min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 20 parts of hydroxy silicon oils
107 and 24 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, are reacted under the conditions of 194 DEG C of maintenance system temperature
1.4h, product are dried in vacuo 11min in 70 DEG C, -0.08MPa, obtain modified Nano carbon through filtering, 2L ethyl alcohol oscillation washing 3 times
Sour calcium；
(3), 80 parts of SEBS, 23 parts of ethylene propylene diene rubbers, 17 parts of polyester hot-melt adhesives and 40 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed 18r/min reacts 32min under the conditions of 4 DEG C of maintenance system temperature, with extruder in temperature
196 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), weigh 30 parts of polyethylene powders, 22 parts of modified SEBSs, 20 parts of polyvinyl alcohol, 2488,13 parts of polymethyl methacrylates and
11 parts of makrolon are added in pulverizer and crush, and transfer the material into ball mill, drum speed 25r/min, maintain body
It is to react 25min under the conditions of 14 DEG C of temperature, with extruder in 206 DEG C of extruding pelletizations of temperature, crushes to get to modified poly ethylene；
(5), 90 parts of polyethylene, 27 parts of modified poly ethylenes, 29 parts of aerosils, 3.2 parts of calcium stearates are weighed to be added to
In ball mill, drum speed is 26 r/min, 38min is reacted under the conditions of -3 DEG C of maintenance system temperature, with extruder in temperature
193 DEG C of extrusion moldings are to get to the polyethylene water-feeding pipes having excellent weather resistance.
Embodiment 8
A kind of polyethylene water-feeding pipes having excellent weather resistance, preparation method includes the following steps：
(1), 90 parts of tetraethyl orthosilicates, 208 parts of ethyl alcohol, 15 parts of nonionic surfactant Lutensol XP-50 and 13 parts are weighed
Nonionic surfactant Lutensol XP-70 are added in reaction kettle, mixing speed 460r/min, maintenance system temperature
50min is reacted under the conditions of 30 DEG C, 22 parts of water are added to according to 0.05 part/min in reaction kettle, after the completion of to be added, in maintenance
The 40min that states under reaction condition that the reaction was continued, product is transferred in hydrothermal reaction kettle, anti-under the conditions of 196 DEG C of maintenance system temperature
3.8h, product is answered to be evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, product washs 5 times through 1L EtOH Sonicates, in 75 DEG C, -0.07MPa
It is dried in vacuo 15min, grinding obtains aerosil；
(2), it weighs 70 parts of nano-calcium carbonates, 60 parts of ethyl alcohol, 14 parts of water to be added in hydrothermal reaction kettle, maintenance system temperature 123
37min is reacted under the conditions of DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and 22 parts of hydroxy silicon oils
107 and 17 parts of hydroxy silicon oil JF-M30-203 are added in hydrothermal reaction kettle, are reacted under the conditions of 187 DEG C of maintenance system temperature
1.6h, product are dried in vacuo 11min in 70 DEG C, -0.08MPa, obtain modified Nano carbon through filtering, 2L ethyl alcohol oscillation washing 3 times
Sour calcium；
(3), 80 parts of SEBS, 21 parts of ethylene propylene diene rubbers, 17 parts of polyester hot-melt adhesives and 40 parts of modified nano calcium carbonates are weighed to be added
Into ball mill, drum speed is 28 r/min, 31min is reacted under the conditions of 7 DEG C of maintenance system temperature, with extruder in temperature
195 DEG C of extruding pelletizations crush to get to modified SEBS；
(4), weigh 30 parts of polyethylene powders, 21 parts of modified SEBSs, 20 parts of polyvinyl alcohol, 2488,11 parts of polymethyl methacrylates and
13 parts of makrolon are added in pulverizer and crush, and transfer the material into ball mill, drum speed 26r/min, maintain body
It is to react 29min under the conditions of 12 DEG C of temperature, with extruder in 201 DEG C of extruding pelletizations of temperature, crushes to get to modified poly ethylene；
(5), 90 parts of polyethylene, 30 parts of modified poly ethylenes, 23 parts of aerosils, 4 parts of calcium stearates are weighed and are added to ball
In grinding machine, drum speed is 34 r/min, 33min is reacted under the conditions of -2 DEG C of maintenance system temperature, with extruder in temperature 192
DEG C extrusion molding is to get to the polyethylene water-feeding pipes having excellent weather resistance.
Reference examples 1
In this reference examples, aerosil is not added, other components and preparation method are same as Example 1.
Reference examples 2
In this reference examples, modified nano calcium carbonate is not added, other components and preparation method are same as Example 1.
Reference examples 3
In this reference examples, modified SEBS is not added, other components and preparation method are same as Example 1.
Reference examples 4
In this reference examples, modified poly ethylene is not added, other components and preparation method are same as Example 1.
Reference examples 5
The aerosil in general silica aeroge alternate embodiment 1 is selected in this reference examples, in formula, it is other
Component is same as Example 1 with preparation method.
Reference examples 6
The modified nano calcium carbonate in common nano-calcium carbonate alternate embodiment 1, other components are selected in this reference examples, in formula
It is same as Example 1 with preparation method.
Reference examples 7
Select the modified SEBS in common SEBS alternate embodiments 1 in this reference examples, in formula, other components and preparation method with
Embodiment 1 is identical.
Reference examples 8
The modified poly ethylene in common polythene pellet alternate embodiment 1, other components and system are selected in this reference examples, in formula
Preparation Method is same as Example 1.
Elongation at break, longitudinal direction to the polyethylene water-feeding pipes having excellent weather resistance made from Examples 1 to 8 and reference examples 1~8
The performances such as relaxation shrinkage, oxidation induction time, weatherability are tested, and test method is as follows, and test result sees below Tables 1 and 2.
The elongation at break for the polyethylene water-feeding pipes having excellent weather resistance, longitudinal welds, oxidation induction time, weatherability
Etc. performances tested according to GB/T 13663-2000 standards.
The performance parameter for the polyethylene water-feeding pipes having excellent weather resistance made from 1 Examples 1 to 8 of table
The performance parameter for the polyethylene water-feeding pipes having excellent weather resistance made from 2 embodiment 1 of table and reference examples 1~8
By upper Tables 1 and 2 it is found that the tubing that various embodiments of the present invention are prepared oxidation induction performance it is more excellent, this show with
There is the tubing that raw material provided by the invention is prepared preferable oxidation to induce performance；In contrast, the raw material of each reference examples
The oxidation induction performance for the tubing being prepared is poor.In addition, the tubing that various embodiments of the present invention are prepared has preferably
Elongation at break and longitudinal welds.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (4)
1. a kind of preparation method for the polyethylene water-feeding pipes having excellent weather resistance, it is characterised in that：Including following raw material components：It is poly-
Ethylene, modified poly ethylene, aerosil, calcium stearate, the polyethylene, modified poly ethylene, silica airsetting
Glue, calcium stearate quality parts ratio be 90：18~32：16~30：2~6, wherein the modified poly ethylene is by polyethylene
Powder, modified SEBS, polyvinyl alcohol, polymethyl methacrylate and makrolon reaction are made, the polyethylene powder, modification
SEBS, polyvinyl alcohol, polymethyl methacrylate and makrolon quality parts ratio be 30：19~27：9~22：7~16：6
~14, the modified SEBS is reacted by SEBS, ethylene propylene diene rubber, polyester hot-melt adhesive and modified nano calcium carbonate to be made, institute
The quality parts ratio of SEBS, ethylene propylene diene rubber, polyester hot-melt adhesive and the modified nano calcium carbonate stated is 80：13~25：11~
20：35~41, the modified nano calcium carbonate is by nano-calcium carbonate, ethyl alcohol, water, hydroxy silicon oil 107 and hydroxy silicon oil JF-
M30-203 reactions are made, the matter of the nano-calcium carbonate, ethyl alcohol, water, hydroxy silicon oil 107 and hydroxy silicon oil JF-M30-203
It is 70 to measure portion rate：55~67：7~15：18~27：14~25, the aerosil is by tetraethyl orthosilicate, second
Alcohol, water, nonionic surfactant Lutensol XP-50 and nonionic surfactant Lutensol XP-70 reactions are made,
Tetraethyl orthosilicate, ethyl alcohol, water, nonionic surfactant Lutensol XP-50 and the nonionic surfactant
The quality parts ratio of Lutensol XP-70 is 90：185~225：9~23：8~19：9~17.
2. a kind of preparation method for the polyethylene water-feeding pipes having excellent weather resistance according to claim 1, it is characterised in that：Institute
The polyethylene water-feeding pipes having excellent weather resistance stated are made from following preparation method：(1), by tetraethyl orthosilicate, ethyl alcohol, non-
Ionic surfactant Lutensol XP-50 and nonionic surfactant Lutensol XP-70 are according to quality parts ratio
90：185~225：8~19：9~17 are added in reaction kettle, and mixing speed is 400~550r/min, maintenance system temperature 25
50min is reacted under the conditions of~33 DEG C, the water that quality parts ratio is 9~23 is added to reaction kettle according to 0.05 mass parts/min
In, after the completion of to be added, product is transferred in hydrothermal reaction kettle, maintains by the 40min that maintains under above-mentioned reaction condition that the reaction was continued
2~6h is reacted under the conditions of 185~200 DEG C of system temperature, product is evaporated under reduced pressure 1h through 125 DEG C, -0.08MPa, and product is through 1L ethyl alcohol
Supersound washing 5 times is dried in vacuo 15min in 75 DEG C, -0.07MPa, and grinding obtains aerosil；(2), by nano-sized carbon
Sour calcium, ethyl alcohol, water are 70 according to quality parts ratio：55~67：7~15 are added in hydrothermal reaction kettle, maintenance system temperature 115
30~45min is reacted under the conditions of~128 DEG C, product is dried in vacuo 9min through filtering, 56 DEG C, -0.05MPa, by product and quality
Portion rate is 18~27：14~25 hydroxy silicon oil 107 and hydroxy silicon oil JF-M30-203 is added in hydrothermal reaction kettle, is maintained
Under the conditions of 175~198 DEG C of system temperature react 1~2h, product through filtering, 2L ethyl alcohol oscillation washing 3 times, in 70 DEG C ,-
0.08MPa is dried in vacuo 11min, obtains modified nano calcium carbonate；(3), by SEBS, ethylene propylene diene rubber, polyester hot-melt adhesive and
Modified nano calcium carbonate is 80 according to quality parts ratio：13~25：11~20：35~41 are added in ball mill, drum speed
For 15~31r/min, 21~33min is reacted under the conditions of 0~10 DEG C of maintenance system temperature, with extruder in 185~197 DEG C of temperature
Extruding pelletization crushes to get to modified SEBS；(4), by polyethylene powder, modified SEBS, polyvinyl alcohol, poly-methyl methacrylate
Ester and makrolon are 30 according to quality parts ratio：19~27：9~22：7~16：6~14 are added in pulverizer and crush, will
Material is transferred in ball mill, and drum speed is 18~30r/min, and reaction 20 under the conditions of 10~19 DEG C of maintenance system temperature~
35min is crushed with extruder in 195~210 DEG C of extruding pelletizations of temperature to get to modified poly ethylene；(5), by polyethylene, change
Property polyethylene, aerosil, calcium stearate according to quality parts ratio be 90：18~32：16~30：2~6 are added to ball
In grinding machine, drum speed is 21~38r/min, reacts 27~39min under the conditions of -5~5 DEG C of maintenance system temperature, uses extruder
In 185~197 DEG C of extrusion moldings of temperature to get to the polyethylene water-feeding pipes having excellent weather resistance.
3. wanting a kind of 1 preparation method for the polyethylene water-feeding pipes having excellent weather resistance according to right, it is characterised in that：It is described
Polyvinyl alcohol be polyvinyl alcohol 2488.
4. wanting a kind of 1 preparation method for the polyethylene water-feeding pipes having excellent weather resistance according to right, it is characterised in that：It is described
Polyethylene be recycling grade polyethylene.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810415211.XA CN108570180A (en) | 2018-05-03 | 2018-05-03 | A kind of polyethylene water-feeding pipes and preparation method thereof having excellent weather resistance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810415211.XA CN108570180A (en) | 2018-05-03 | 2018-05-03 | A kind of polyethylene water-feeding pipes and preparation method thereof having excellent weather resistance |
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| CN108570180A true CN108570180A (en) | 2018-09-25 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006062278A1 (en) * | 2004-12-07 | 2006-06-15 | Lg Chem. Ltd. | Pipe having barrier property |
| CN101514769A (en) * | 2009-01-06 | 2009-08-26 | 福建恒杰塑业新材料有限公司 | Non-digging PE-specialized service tube |
| CN104390069A (en) * | 2014-11-05 | 2015-03-04 | 广西金盛科技发展有限公司 | Polyethylene water feeding pipe |
-
2018
- 2018-05-03 CN CN201810415211.XA patent/CN108570180A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006062278A1 (en) * | 2004-12-07 | 2006-06-15 | Lg Chem. Ltd. | Pipe having barrier property |
| CN101514769A (en) * | 2009-01-06 | 2009-08-26 | 福建恒杰塑业新材料有限公司 | Non-digging PE-specialized service tube |
| CN104390069A (en) * | 2014-11-05 | 2015-03-04 | 广西金盛科技发展有限公司 | Polyethylene water feeding pipe |
Non-Patent Citations (1)
| Title |
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| 何飞等: "二氧化硅气凝胶的制备方法研究", 《材料导报 专辑IV》 * |
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