CN109265799A - A kind of polyethylene water-feeding pipes and preparation method thereof - Google Patents
A kind of polyethylene water-feeding pipes and preparation method thereof Download PDFInfo
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- 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
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Abstract
The present invention relates to a kind of polyethylene water-feeding pipes and preparation method thereof.The polyethylene water-feeding pipes are by polyethylene, rutile titanium dioxide modified poly ethylene, polymethyl methacrylate modified poly ethylene, organic-silicon-modified polyethylene and aramid fiber modified poly ethylene composition, the rutile titanium dioxide modified poly ethylene is by polyethylene, rutile titanium dioxide, polyethylene wax, KH-560 coupling agent and glass microballoon reaction are made, the polymethyl methacrylate modified poly ethylene is by polyethylene, methyl methacrylate, ethyl alcohol, benzoyl peroxide, SE-10 emulsifier, styrene, water, dibutyltin diacetate and stannous sulfate reaction are made, the organic-silicon-modified polyethylene is by polyethylene, vinyl trimethylsilane, vinyltriethylsilane, maleic anhydride and the reaction of KH-550 coupling agent are made.Polyethylene water-feeding pipes provided by the invention have excellent hydrostatic strength and lower molding shrinkage.
Description
Technical field
The present invention relates to plastic applications, and in particular to a kind of polyethylene water-feeding pipes and preparation method thereof.
Background technique
With the continuous expansion of polyethylene water-feeding pipes application field, market is to polyethylene water-feeding pipes hydrostatic strength side
The requirement of face performance is continuously improved.Therefore, country encourages polyethylene water-feeding pipes enterprise to improve enterprise's production by independent research
The market competitiveness of product.Since hydrostatic strength of common polythene water-feeding pipes under the conditions of brittle break need to only meet country
Lowest term in standard GB/T 13663-2000, therefore, in some couples of demanding spies of polyethylene water-feeding pipes brittle break
Determine field to need to improve.
Summary of the invention
The purpose of the present invention is to provide a kind of polyethylene water-feeding pipes, which uses polyethylene, gold
The titania modified polyethylene of red stone-type, polymethyl methacrylate modified poly ethylene, organic-silicon-modified polyethylene and aramid fiber change
Property polyethylene be prepared, have excellent hydrostatic strength and lower molding shrinkage.
Another object of the present invention is to provide the preparation methods of above-mentioned polyethylene water-feeding pipes.
To achieve the goals above, technical scheme is as follows:
A kind of polyethylene water-feeding pipes are the poly- second in 43:22~34:19~31:11~17:25~36 by mass parts ratio
Alkene, rutile titanium dioxide modified poly ethylene, polymethyl methacrylate modified poly ethylene, organic-silicon-modified polyethylene and virtue
Synthetic fibre modified poly ethylene composition；Wherein, the rutile titanium dioxide modified poly ethylene by mass parts ratio be 51:11~
17:2~7:0.3~2:8~15 polyethylene, rutile titanium dioxide, polyethylene wax, KH-560 coupling agent and glass microballoon
Reaction is made；The polymethyl methacrylate modified poly ethylene by mass parts ratio be 39:7~13:83~99:0.1~
0.6:3~6:2~5:2~7:15~23:9~16 polyethylene, methyl methacrylate, ethyl alcohol, benzoyl peroxide, SE-
10 emulsifiers, styrene, water, dibutyltin diacetate and stannous sulfate reaction are made；The organic-silicon-modified polyethylene by
Mass parts ratio 43:3~7:4~6:5~9:0.3~2 polyethylene, vinyl trimethylsilane, vinyltriethylsilane,
Maleic anhydride and the reaction of KH-550 coupling agent are made；The aramid fiber modified poly ethylene by mass parts ratio be 39:9~
The polyethylene of 14:2~6:10~19,1414 p-aramid fiber chopped strands, polyethylene wax and the reaction of PBO staple fiber are made.
Preferably, the polyethylene, rutile titanium dioxide modified poly ethylene, polymethyl methacrylate are modified poly-
The mass parts ratio of ethylene, organic-silicon-modified polyethylene and aramid fiber modified poly ethylene is 43:27:26:15:28.
The preparation method of above-mentioned polyethylene water-feeding pipes, includes the following steps:
(1), 1414 p-aramid fiber chopped strands, polyethylene wax and PBO staple fiber are added in ball mill, drum speed
For 16r/min, 50min is reacted under the conditions of maintaining 50 DEG C of cylinder reaction temperature, product and polyethylene are added in extruder
182~189 DEG C
Extruding pelletization obtains aramid fiber modified poly ethylene；The mesh of the 1414 p-aramid fiber chopped strands and PBO staple fiber
It is the hydrostatic strength for improving polyvinyl feed pipe；
(2), polyethylene, vinyl trimethylsilane, vinyltriethylsilane, maleic anhydride and KH-550 is even
Connection agent is added in high-speed mixer, with high-speed mixer in 178~185 DEG C of 2~6min of hybrid reaction of temperature, is existed with extruder
181~188 DEG C of extruding pelletizations, obtain organic-silicon-modified polyethylene；The vinyl trimethylsilane and vinyl triethyl group
The purpose of silane is to improve the hydrophobicity of polyvinyl feed pipe；
(3), ethyl alcohol, water, dibutyltin diacetate and stannous sulfate are added in reaction kettle, mixing speed 180r/
Min reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred in hydrothermal reaction kettle, maintains hydrothermal temperature
For 135~160 DEG C of 2~6h of hydro-thermal reaction, product washs 3 times through filtering, 500mL water supersound washing 2 times, 500mL EtOH Sonicate,
It is dry, product, SE-10 emulsifier, benzoyl peroxide, methyl methacrylate and styrene are added to hydrothermal reaction kettle
In, maintenance hydrothermal temperature is 125~140 DEG C of 1~4h of hydro-thermal reaction, and product is polished, and product and polyethylene are used and squeezed
Out machine 187~196 DEG C of extruding pelletizations to get arrive polymethyl methacrylate modified poly ethylene；The methyl methacrylate
The purpose of ester and styrene is to improve the mixing uniformity of material；
(4), rutile titanium dioxide, polyethylene wax and glass microballoon are added in ball mill, drum speed is
20r/min reacts 30min under the conditions of maintaining 23 DEG C of cylinder reaction temperature, and product and polyethylene and KH-560 coupling agent are added
Into high-speed mixer, with high-speed mixer in 176~182 DEG C of 1~4min of hybrid reaction of temperature, with extruder 177~183
DEG C extruding pelletization is to get arriving rutile titanium dioxide modified poly ethylene；The rutile titanium dioxide and glass microballoon
Purpose be reduce polyethylene water-feeding pipes molding shrinkage；
(5), by polyethylene, rutile titanium dioxide modified poly ethylene, polymethyl methacrylate modified poly ethylene, have
Machine Si modification polyethylene and aramid fiber modified poly ethylene are added in high-speed mixer, with high-speed mixer at 176~180 DEG C of temperature
1~5min of hybrid reaction, with extruder 181~187 DEG C of extrusion moldings to get arrive polyethylene water-feeding pipes.
The beneficial effects of the present invention are:
1,1414 p-aramid fiber chopped strands and PBO staple fiber have excellent mechanical strength, carry out by polyethylene wax
After surface modified, the mechanical property of dispersing uniformity and improvement polythene material in polythene material can be improved；System
Standby aramid fiber modified poly ethylene can be obviously improved the hydrostatic strength of polyvinyl feed pipe because of its high strength；
2, vinyl trimethylsilane and vinyltriethylsilane have excellent hydrophobicity, pass through maleic anhydride
Bridging action, vinyl trimethylsilane and vinyltriethylsilane are grafted to polythene material surface, can improve poly- second
While alkene material hydrophobic, the molding shrinkage of polythene material is reduced, the hydrostatic pressure of polyvinyl feed pipe can be improved
Degree；
3, dibutyltin diacetate and stannous sulfate prepare tin-oxide by hydro-thermal hydrolysis, through methyl methacrylate
After ester, styrene and SE-10 emulsifier cladding are dispersed and polymerize, tin-oxide is wrapped by the polymer, is blended through squeezing out, energy
Reduce the molding shrinkage of polythene material；The polymethyl methacrylate modified poly ethylene of preparation energy due to low molding shrinkage
Improve the hydrostatic strength of polyvinyl feed pipe；
4, rutile titanium dioxide and glass microballoon be after polyethylene wax is handled, can improve rutile titanium dioxide and
Dispersion stabilization of the glass microballoon in polythene material and the molding shrinkage for reducing polythene material；The rutile-type of preparation
Titania modified polyethylene can improve the hydrostatic strength of polyvinyl feed pipe due to low molding shrinkage；
5, in polyethylene, rutile titanium dioxide modified poly ethylene, polymethyl methacrylate modified poly ethylene, organic
Under Si modification polyethylene and aramid fiber modified poly ethylene synergistic effect, assign polyethylene water-feeding pipes excellent hydrostatic strength.
Specific embodiment
A specific embodiment of the invention is described below with reference to embodiment, to better understand the present invention.This
It is a little that examples are only for illustrating the present invention and not for limiting the scope of the present invention.Actual conditions are not specified in lower example embodiment
Experimental method, usually according to this field normal condition or the condition suggested according to manufacturer；Used raw material, reagent etc.,
It unless otherwise specified, is the raw materials and reagents that can be obtained from commercial sources such as conventional markets.Those skilled in the art is at this
The variation and replacement of any unsubstantiality done on the basis of invention belong to scope of the present invention.
Embodiment 1
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 11.5 part of 1414 p-aramid fiber chopped strand, 3.7 parts of polyethylene waxes and 13.2 parts of PBO staple fibers are weighed to be added
Into ball mill, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, by product and 39 parts
Polyethylene is added in extruder in 186 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 4.9 parts of vinyl trimethylsilanes, 5 parts of vinyltriethylsilanes, 7.6 parts along fourth
Enedioic acid acid anhydride and 0.8 part of KH-550 coupling agent are added in high-speed mixer, with high-speed mixer in 179 DEG C of hybrid reactions of temperature
4min obtains organic-silicon-modified polyethylene with extruder in 183 DEG C of extruding pelletizations；
(3), 92 parts of ethyl alcohol, 4.3 parts of water, 19 parts of dibutyltin diacetates and 13 parts of stannous sulfates are added to reaction kettle
In, mixing speed 180r/min reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred to hydrothermal reaction kettle
In, maintenance hydrothermal temperature is 145 DEG C of hydro-thermal reaction 4h, and product is through filtering, 500mL water supersound washing 2 times, 500mL ethyl alcohol
It is supersound washing 3 times, dry, by product, 4.6 parts of SE-10 emulsifiers, 0.3 part of benzoyl peroxide, 9 parts of methyl methacrylates
It is added in hydrothermal reaction kettle with 3 parts of styrene, maintenance hydrothermal temperature is 130 DEG C of hydro-thermal reaction 2.5h, and product is ground
Afterwards, product and 39 parts of polyethylene extruders are modified poly- second in 192 DEG C of extruding pelletizations to get to polymethyl methacrylate
Alkene；
(4), 13 parts of rutile titanium dioxides, 4 parts of polyethylene waxes and 10 parts of glass microballoons are added in ball mill, cylinder
Body revolving speed is 20r/min, 30min is reacted under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and 0.9 part
KH-560 coupling agent is added in high-speed mixer, with high-speed mixer in 178 DEG C of hybrid reaction 2min of temperature, is existed with extruder
180 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 27 parts of rutile titanium dioxide modified poly ethylenes, 26 parts of polymethyl methacrylates
Modified poly ethylene, 15 parts of organic-silicon-modified polyethylene and 28 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with high speed
Mixing machine is in 179 DEG C of hybrid reaction 2min of temperature, with extruder in 185 DEG C of extrusion moldings to get arriving polyethylene water-feeding pipes.
Embodiment 2
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 9 part of 1414 p-aramid fiber chopped strand, 2 parts of polyethylene waxes and 10 parts of PBO staple fibers are weighed and are added to ball milling
In machine, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, by product and 39 parts of polyethylene
It is added in extruder in 182 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 3 parts of vinyl trimethylsilanes, 4 parts of vinyltriethylsilanes, 5 parts of maleics two
Acid anhydrides and 0.3 part of KH-550 coupling agent are added in high-speed mixer, with high-speed mixer in 178 DEG C of hybrid reactions of temperature
6min obtains organic-silicon-modified polyethylene with extruder in 181 DEG C of extruding pelletizations；
(3), 83 parts of ethyl alcohol, 2 parts of water, 15 parts of dibutyltin diacetates and 9 parts of stannous sulfates are added in reaction kettle, are stirred
Mixing speed is 180r/min, reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred in hydrothermal reaction kettle, is tieed up
Holding hydrothermal temperature is 135 DEG C of hydro-thermal reaction 6h, and product is washed through filtering, 500mL water supersound washing 2 times, 500mL EtOH Sonicate
It washs 3 times, it is dry, by product, 3 parts of SE-10 emulsifiers, 0.1 part of benzoyl peroxide, 7 parts of methyl methacrylates and 2 parts of benzene second
Alkene is added in hydrothermal reaction kettle, and maintenance hydrothermal temperature is 125 DEG C of hydro-thermal reaction 4h, and product is polished, by product and
39 parts of polyethylene extruders 187 DEG C of extruding pelletizations to get arrive polymethyl methacrylate modified poly ethylene；
(4), 11 parts of rutile titanium dioxides, 2 parts of polyethylene waxes and 8 parts of glass microballoons are added in ball mill, cylinder
Body revolving speed is 20r/min, 30min is reacted under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and 0.3 part
KH-560 coupling agent is added in high-speed mixer, with high-speed mixer in 176 DEG C of hybrid reaction 4min of temperature, is existed with extruder
177 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 22 parts of rutile titanium dioxide modified poly ethylenes, 19 parts of polymethyl methacrylates
Modified poly ethylene, 11 parts of organic-silicon-modified polyethylene and 25 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with high speed
Mixing machine is in 176 DEG C of hybrid reaction 5min of temperature, with extruder in 181 DEG C of extrusion moldings to get arriving polyethylene water-feeding pipes.
Embodiment 3
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 14 part of 1414 p-aramid fiber chopped strand, 6 parts of polyethylene waxes and 19 parts of PBO staple fibers are weighed and are added to ball milling
In machine, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, by product and 39 parts of polyethylene
It is added in extruder in 189 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 7 parts of vinyl trimethylsilanes, 6 parts of vinyltriethylsilanes, 9 parts of maleics two
Acid anhydrides and 2 parts of KH-550 coupling agents are added in high-speed mixer, with high-speed mixer in 185 DEG C of hybrid reaction 2min of temperature,
With extruder in 188 DEG C of extruding pelletizations, organic-silicon-modified polyethylene is obtained；
(3), 99 parts of ethyl alcohol, 7 parts of water, 23 parts of dibutyltin diacetates and 16 parts of stannous sulfates are added in reaction kettle,
Mixing speed is 180r/min, reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred in hydrothermal reaction kettle,
Maintenance hydrothermal temperature is 160 DEG C of hydro-thermal reaction 2h, and product is through filtering, 500mL water supersound washing 2 times, 500mL EtOH Sonicate
Washing 3 times, it is dry, by product, 6 parts of SE-10 emulsifiers, 0.6 part of benzoyl peroxide, 13 parts of methyl methacrylates and 5 parts
Styrene is added in hydrothermal reaction kettle, and maintenance hydrothermal temperature is 140 DEG C of hydro-thermal reaction 1h, and product is polished, will produce
Object and 39 parts of polyethylene extruders are in 196 DEG C of extruding pelletizations to get arriving polymethyl methacrylate modified poly ethylene；
(4), 17 parts of rutile titanium dioxides, 7 parts of polyethylene waxes and 15 parts of glass microballoons are added in ball mill, cylinder
Body revolving speed is 20r/min, 30min is reacted under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and 2 parts
KH-560 coupling agent is added in high-speed mixer, with high-speed mixer in 182 DEG C of hybrid reaction 1min of temperature, is existed with extruder
183 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 34 parts of rutile titanium dioxide modified poly ethylenes, 31 parts of polymethyl methacrylates
Modified poly ethylene, 17 parts of organic-silicon-modified polyethylene and 36 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with high speed
Mixing machine is in 180 DEG C of hybrid reaction 1min of temperature, with extruder in 187 DEG C of extrusion moldings to get arriving polyethylene water-feeding pipes.
Embodiment 4
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 9.3 part of 1414 p-aramid fiber chopped strand, 2.1 parts of polyethylene waxes and 10.4 parts of PBO staple fibers are weighed to be added
Into ball mill, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, by product and 39 parts
Polyethylene is added in extruder in 183 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 3.6 parts of vinyl trimethylsilanes, 4.4 parts of vinyltriethylsilanes, 5.2 parts it is suitable
Anhydride maleique and 0.5 part of KH-550 coupling agent are added in high-speed mixer, anti-in 179 DEG C of temperature mixing with high-speed mixer
2.5min is answered, with extruder in 182 DEG C of extruding pelletizations, obtains organic-silicon-modified polyethylene；
(3), 83.9 parts of ethyl alcohol, 2.8 parts of water, 15.5 parts of dibutyltin diacetates and 9.7 parts of stannous sulfates are added to instead
It answers in kettle, mixing speed 180r/min, reacts 50min under the conditions of 40 DEG C of maintenance system temperature, it is anti-that product is transferred to hydro-thermal
Answer in kettle, maintenance hydrothermal temperature is 136 DEG C of hydro-thermal reaction 2.5h, product through filtering, 500mL water supersound washing 2 times,
500mL EtOH Sonicate washs 3 times, dry, by product, 3.2 parts of SE-10 emulsifiers, 0.2 part of benzoyl peroxide, 7.8 parts of methyl
Methyl acrylate and 2.3 parts of styrene are added in hydrothermal reaction kettle, and maintenance hydrothermal temperature is 127 DEG C of hydro-thermal reactions
1.5h, product is polished, by product and 39 parts of polyethylene extruders in 189 DEG C of extruding pelletizations to get arriving polymethyl
Sour methyl esters modified poly ethylene；
(4), 11.8 parts of rutile titanium dioxides, 2.6 parts of polyethylene waxes and 8.7 parts of glass microballoons are added to ball mill
In, drum speed 20r/min reacts 30min under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and
0.6 part of KH-560 coupling agent is added in high-speed mixer, with high-speed mixer in 178 DEG C of hybrid reaction 1.7min of temperature, is used
Extruder 179 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 23 parts of rutile titanium dioxide modified poly ethylenes, 19.6 parts of poly-methyl methacrylates
Ester modified polyethylene, 12 parts of organic-silicon-modified polyethylene and 26 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with height
Fast mixing machine is in 179 DEG C of hybrid reaction 1.5min of temperature, with extruder in 184 DEG C of extrusion moldings to get arriving polyethylene feed pipe
Material.
Embodiment 5
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 10.3 part of 1414 p-aramid fiber chopped strand, 3 parts of polyethylene waxes and 12.5 parts of PBO staple fibers are weighed to be added to
In ball mill, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, and product and 39 parts is poly-
Ethylene is added in extruder in 184 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 4.5 parts of vinyl trimethylsilanes, 4.9 parts of vinyltriethylsilanes, 6.7 parts it is suitable
Anhydride maleique and 0.7 part of KH-550 coupling agent are added in high-speed mixer, anti-in 180 DEG C of temperature mixing with high-speed mixer
3min is answered, with extruder in 183 DEG C of extruding pelletizations, obtains organic-silicon-modified polyethylene；
(3), 87 parts of ethyl alcohol, 3.9 parts of water, 17 parts of dibutyltin diacetates and 10.8 parts of stannous sulfates are added to reaction kettle
In, mixing speed 180r/min reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred to hydrothermal reaction kettle
In, maintenance hydrothermal temperature is 139 DEG C of hydro-thermal reaction 3h, and product is through filtering, 500mL water supersound washing 2 times, 500mL ethyl alcohol
It is supersound washing 3 times, dry, by product, 4.6 parts of SE-10 emulsifiers, 0.4 part of benzoyl peroxide, 9.7 parts of methyl methacrylates
Ester and 3.3 parts of styrene are added in hydrothermal reaction kettle, and maintenance hydrothermal temperature is 128 DEG C of hydro-thermal reaction 2h, and product is through grinding
After mill, product and 39 parts of polyethylene extruders are modified poly- second in 190 DEG C of extruding pelletizations to get to polymethyl methacrylate
Alkene；
(4), 13.8 parts of rutile titanium dioxides, 3.9 parts of polyethylene waxes and 9.9 parts of glass microballoons are added to ball mill
In, drum speed 20r/min reacts 30min under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and
0.6 part of KH-560 coupling agent is added in high-speed mixer, with high-speed mixer in 178 DEG C of hybrid reaction 2.5min of temperature, is used
Extruder 179 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 26 parts of rutile titanium dioxide modified poly ethylenes, 21 parts of polymethyl methacrylates
Modified poly ethylene, 14 parts of organic-silicon-modified polyethylene and 29 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with high speed
Mixing machine is in 179 DEG C of hybrid reaction 3min of temperature, with extruder in 186 DEG C of extrusion moldings to get arriving polyethylene water-feeding pipes.
Embodiment 6
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 10 part of 1414 p-aramid fiber chopped strand, 5 parts of polyethylene waxes and 16 parts of PBO staple fibers are weighed and are added to ball milling
In machine, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, by product and 39 parts of polyethylene
It is added in extruder in 184 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 3 parts of vinyl trimethylsilanes, 5 parts of vinyltriethylsilanes, 8 parts of maleics two
Acid anhydrides and 1 part of KH-550 coupling agent are added in high-speed mixer, with high-speed mixer in 179 DEG C of hybrid reaction 4min of temperature,
With extruder in 187 DEG C of extruding pelletizations, organic-silicon-modified polyethylene is obtained；
(3), 92 parts of ethyl alcohol, 6 parts of water, 21 parts of dibutyltin diacetates and 13 parts of stannous sulfates are added in reaction kettle,
Mixing speed is 180r/min, reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred in hydrothermal reaction kettle,
Maintenance hydrothermal temperature is 145 DEG C of hydro-thermal reaction 3h, and product is through filtering, 500mL water supersound washing 2 times, 500mL EtOH Sonicate
Washing 3 times, it is dry, by product, 5 parts of SE-10 emulsifiers, 0.5 part of benzoyl peroxide, 11 parts of methyl methacrylates and 4 parts
Styrene is added in hydrothermal reaction kettle, and maintenance hydrothermal temperature is 132 DEG C of hydro-thermal reaction 3h, and product is polished, will produce
Object and 39 parts of polyethylene extruders are in 192 DEG C of extruding pelletizations to get arriving polymethyl methacrylate modified poly ethylene；
(4), 14 parts of rutile titanium dioxides, 6 parts of polyethylene waxes and 13 parts of glass microballoons are added in ball mill, cylinder
Body revolving speed is 20r/min, 30min is reacted under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and 1.2 parts
KH-560 coupling agent is added in high-speed mixer, with high-speed mixer in 181 DEG C of hybrid reaction 2min of temperature, is existed with extruder
182 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 28 parts of rutile titanium dioxide modified poly ethylenes, 27 parts of polymethyl methacrylates
Modified poly ethylene, 15 parts of organic-silicon-modified polyethylene and 31 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with high speed
Mixing machine is in 178 DEG C of hybrid reaction 3min of temperature, with extruder in 185 DEG C of extrusion moldings to get arriving polyethylene water-feeding pipes.
Embodiment 7
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 13.7 part of 1414 p-aramid fiber chopped strand, 5.5 parts of polyethylene waxes and 18.6 parts of PBO staple fibers are weighed to be added
Into ball mill, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, by product and 39 parts
Polyethylene is added in extruder in 188 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 6.5 parts of vinyl trimethylsilanes, 5.6 parts of vinyltriethylsilanes, 8.2 parts it is suitable
Anhydride maleique and 1.8 parts of KH-550 coupling agents are added in high-speed mixer, anti-in 183 DEG C of temperature mixing with high-speed mixer
5.5min is answered, with extruder in 187 DEG C of extruding pelletizations, obtains organic-silicon-modified polyethylene；
(3), 97 parts of ethyl alcohol, 6.1 parts of water, 22 parts of dibutyltin diacetates and 15 parts of stannous sulfates are added to reaction kettle
In, mixing speed 180r/min reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred to hydrothermal reaction kettle
In, maintenance hydrothermal temperature is 153 DEG C of hydro-thermal reaction 5.2h, and product is through filtering, 500mL water supersound washing 2 times, 500mL second
It is alcohol supersound washing 3 times, dry, by product, 5.3 parts of SE-10 emulsifiers, 0.5 part of benzoyl peroxide, 12.3 parts of methacrylic acids
Methyl esters and 4.6 parts of styrene are added in hydrothermal reaction kettle, and maintenance hydrothermal temperature is 137 DEG C of hydro-thermal reaction 3.8h, product
It is polished, by product and 39 parts of polyethylene extruders in 195 DEG C of extruding pelletizations to get modified to polymethyl methacrylate
Polyethylene；
(4), 16.5 parts of rutile titanium dioxides, 6.3 parts of polyethylene waxes and 14 parts of glass microballoons are added to ball mill
In, drum speed 20r/min reacts 30min under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and
1.7 parts of KH-560 coupling agents are added in high-speed mixer, with high-speed mixer in 181 DEG C of hybrid reaction 3.7min of temperature, are used
Extruder 182 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 33 parts of rutile titanium dioxide modified poly ethylenes, 30 parts of polymethyl methacrylates
Modified poly ethylene, 16 parts of organic-silicon-modified polyethylene and 35 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with high speed
Mixing machine is in 179 DEG C of hybrid reaction 4.6min of temperature, with extruder in 185 DEG C of extrusion moldings to get arriving polyethylene water-feeding pipes.
Embodiment 8
A kind of polyethylene water-feeding pipes, preparation method includes the following steps:
(1), 13.6 part of 1414 p-aramid fiber chopped strand, 5.1 parts of polyethylene waxes and 17.8 parts of PBO staple fibers are weighed to be added
Into ball mill, drum speed 16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, by product and 39 parts
Polyethylene is added in extruder in 187 DEG C of extruding pelletizations, obtains aramid fiber modified poly ethylene；
(2), by 43 parts of polyethylene, 6.9 parts of vinyl trimethylsilanes, 5.2 parts of vinyltriethylsilanes, 8.7 parts it is suitable
Anhydride maleique and 1.6 parts of KH-550 coupling agents are added in high-speed mixer, anti-in 183 DEG C of temperature mixing with high-speed mixer
4.5min is answered, with extruder in 186 DEG C of extruding pelletizations, obtains organic-silicon-modified polyethylene；
(3), 91 parts of ethyl alcohol, 5.5 parts of water, 19.8 parts of dibutyltin diacetates and 13 parts of stannous sulfates are added to reaction kettle
In, mixing speed 180r/min reacts 50min under the conditions of 40 DEG C of maintenance system temperature, product is transferred to hydrothermal reaction kettle
In, maintenance hydrothermal temperature is 151 DEG C of hydro-thermal reaction 4.6h, and product is through filtering, 500mL water supersound washing 2 times, 500mL second
It is alcohol supersound washing 3 times, dry, by product, 4.4 parts of SE-10 emulsifiers, 0.4 part of benzoyl peroxide, 11 parts of methyl methacrylates
Ester and 3.8 parts of styrene are added in hydrothermal reaction kettle, and maintenance hydrothermal temperature is 136 DEG C of hydro-thermal reaction 3.5h, product warp
After grinding, by product and 39 parts of polyethylene extruders in 193 DEG C of extruding pelletizations to get modified poly- to polymethyl methacrylate
Ethylene；
(4), 14 parts of rutile titanium dioxides, 6 parts of polyethylene waxes and 11 parts of glass microballoons are added in ball mill, cylinder
Body revolving speed is 20r/min, 30min is reacted under the conditions of maintaining 23 DEG C of cylinder reaction temperature, by product and 51 parts of polyethylene and 1.6 parts
KH-560 coupling agent is added in high-speed mixer, with high-speed mixer in 181 DEG C of hybrid reaction 3.2min of temperature, uses extruder
183 DEG C of extruding pelletizations to get arrive rutile titanium dioxide modified poly ethylene；
(5), by 43 parts of polyethylene, 31 parts of rutile titanium dioxide modified poly ethylenes, 28 parts of polymethyl methacrylates
Modified poly ethylene, 15 parts of organic-silicon-modified polyethylene and 33 parts of aramid fiber modified poly ethylenes are added in high-speed mixer, with high speed
Mixing machine is in 178 DEG C of hybrid reaction 4.3min of temperature, with extruder in 185 DEG C of extrusion moldings to get arriving polyethylene water-feeding pipes.
Reference examples 1
In this reference examples, aramid fiber modified poly ethylene is not added, and other components and preparation method are same as Example 1.Control
Example 2
In this reference examples, organic-silicon-modified polyethylene is not added, and other components and preparation method are same as Example 1.
Reference examples 3
In this reference examples, polymethyl methacrylate modified poly ethylene, other components and preparation method are not added and is implemented
Example 1 is identical.
Reference examples 4
In this reference examples, rutile titanium dioxide modified poly ethylene, other components and preparation method are not added and is implemented
Example 1 is identical.
Reference examples 5
The aramid fiber modified poly ethylene in common polythene alternate embodiment 1, other components are selected in this reference examples, in formula
It is same as Example 1 with preparation method.
Reference examples 6
In this reference examples, in formula select common polythene alternate embodiment 1 in organic-silicon-modified polyethylene, other groups
Divide same as Example 1 with preparation method.
Reference examples 7
Select the polymethyl methacrylate in common polythene alternate embodiment 1 modified poly- in this reference examples, in formula
Ethylene, other components and preparation method are same as Example 1.
Reference examples 8
Select the rutile titanium dioxide in common polythene alternate embodiment 1 modified poly- in this reference examples, in formula
Ethylene, other components and preparation method are same as Example 1.
To the hydrostatic strengths of polyethylene water-feeding pipes (PE80) made from Examples 1 to 8 and reference examples 1~8 according to GB/
T 13663-2000 is tested, and molding shrinkage is tested according to ASTM D955, and test result sees below Tables 1 and 2.
The performance parameter of polyethylene water-feeding pipes made from 1 Examples 1 to 8 of table
The performance parameter of polyethylene water-feeding pipes made from 2 embodiment 1 of table and reference examples 1~8
By upper Tables 1 and 2 it is found that the hydrostatic strength for the polyethylene water-feeding pipes that various embodiments of the present invention are prepared and
Low molding shrinkage performance is more excellent, and it is preferable that this shows that the polyethylene water-feeding pipes being prepared with raw material provided by the invention have
Hydrostatic strength and low molding shrinkage performance；In contrast, the polyethylene feed pipe that the raw material of each reference examples is prepared
The hydrostatic strength of material and low molding shrinkage performance are poor.In addition, the polyethylene water supply that various embodiments of the present invention are prepared
Tubing has preferable hydrostatic strength and low molding shrinkage performance.
The above is the preferred embodiment of the invention, it is noted that for those skilled in the art
For, under the premise of not departing from the inventive principle, several improvements and modifications can also be made, these improvements and modifications are also considered as
The protection scope of the invention.
Claims (3)
1. a kind of polyethylene water-feeding pipes, which is characterized in that by mass parts ratio be 43:22~34:19~31:11~17:25
It is~36 polyethylene, rutile titanium dioxide modified poly ethylene, polymethyl methacrylate modified poly ethylene, organic-silicon-modified
Polyethylene and aramid fiber modified poly ethylene composition；Wherein, the rutile titanium dioxide modified poly ethylene is by mass parts ratio
For 51:11~17:2~7:0.3~2:8~15 polyethylene, rutile titanium dioxide, polyethylene wax, KH-560 coupling agent
It is made with glass microballoon reaction；The polymethyl methacrylate modified poly ethylene is 39:7~13:83 by mass parts ratio
~99:0.1~0.6:3~6:2~5:2~7:15~23:9~16 polyethylene, methyl methacrylate, ethyl alcohol, peroxidating
Benzoyl, SE-10 emulsifier, styrene, water, dibutyltin diacetate and stannous sulfate reaction are made；The organosilicon changes
Property polyethylene is by mass parts ratio 43:3~7:4~6:5~9:0.3~2 polyethylene, vinyl trimethylsilane, vinyl
Triethylsilane, maleic anhydride and the reaction of KH-550 coupling agent are made；The aramid fiber modified poly ethylene is by mass fraction
Than being reacted for 39:9~14:2~6:10~19 polyethylene, 1414 p-aramid fiber chopped strands, polyethylene wax and PBO staple fiber
It is made.
2. polyethylene water-feeding pipes according to claim 1, which is characterized in that the polyethylene, rutile-type titanium dioxide
The matter of titanium modified poly ethylene, polymethyl methacrylate modified poly ethylene, organic-silicon-modified polyethylene and aramid fiber modified poly ethylene
Amount portion rate is 43:27:26:15:28.
3. the preparation method of any polyethylene water-feeding pipes of claim 1~2, which comprises the steps of:
(1), 1414 p-aramid fiber chopped strands, polyethylene wax and PBO staple fiber are added in ball mill, drum speed is
16r/min reacts 50min under the conditions of maintaining 50 DEG C of cylinder reaction temperature, product and polyethylene is added in extruder 182
~189 DEG C of extruding pelletizations, obtain aramid fiber modified poly ethylene；
(2), by polyethylene, vinyl trimethylsilane, vinyltriethylsilane, maleic anhydride and KH-550 coupling agent
It is added in high-speed mixer, with high-speed mixer in 178~185 DEG C of 2~6min of hybrid reaction of temperature, with extruder 181
~188 DEG C of extruding pelletizations, obtain organic-silicon-modified polyethylene；
(3), ethyl alcohol, water, dibutyltin diacetate and stannous sulfate are added in reaction kettle, mixing speed 180r/min,
50min is reacted under the conditions of 40 DEG C of maintenance system temperature, product is transferred in hydrothermal reaction kettle, maintenance hydrothermal temperature is
135~160 DEG C of 2~6h of hydro-thermal reaction, product are done through filtering, the supersound washing of 500mL water 2 times, the washing of 500mL EtOH Sonicate 3 times
It is dry, product, SE-10 emulsifier, benzoyl peroxide, methyl methacrylate and styrene are added in hydrothermal reaction kettle,
Maintenance hydrothermal temperature is 125~140 DEG C of 1~4h of hydro-thermal reaction, and product is polished, by product and polyethylene extruder
187~196 DEG C of extruding pelletizations to get arrive polymethyl methacrylate modified poly ethylene；
(4), rutile titanium dioxide, polyethylene wax and glass microballoon are added in ball mill, drum speed 20r/
Min reacts 30min under the conditions of maintaining 23 DEG C of cylinder reaction temperature, and product and polyethylene and the addition of KH-560 coupling agent is supreme
In fast mixing machine, with high-speed mixer in 176~182 DEG C of 1~4min of hybrid reaction of temperature, squeezed with extruder at 177~183 DEG C
It is granulated out to get rutile titanium dioxide modified poly ethylene is arrived；
(5), by polyethylene, rutile titanium dioxide modified poly ethylene, polymethyl methacrylate modified poly ethylene, organosilicon
Modified poly ethylene and aramid fiber modified poly ethylene are added in high-speed mixer, are mixed with high-speed mixer at 176~180 DEG C of temperature
React 1~5min, with extruder 181~187 DEG C of extrusion moldings to get arrive polyethylene water-feeding pipes.
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| CN110066448A (en) * | 2019-05-13 | 2019-07-30 | 尹伊 | A kind of toughness PE feed pipe and preparation method thereof |
| CN110105649A (en) * | 2019-05-05 | 2019-08-09 | 尹伊 | A kind of toughness HDPE double-wall corrugated pipe and preparation method thereof |
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| EP3196245A1 (en) * | 2014-09-18 | 2017-07-26 | Furukawa Electric Co. Ltd. | Flame retardant resin composition and cable trough comprising such composition |
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| CN1519262A (en) * | 2003-01-20 | 2004-08-11 | 浙江大学 | Method for preparing composite microsphere of polymer-nano magnesium hydroxide |
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