CN110105649A - A kind of toughness HDPE double-wall corrugated pipe and preparation method thereof - Google Patents
A kind of toughness HDPE double-wall corrugated pipe and preparation method thereof Download PDFInfo
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- CN110105649A CN110105649A CN201910376705.6A CN201910376705A CN110105649A CN 110105649 A CN110105649 A CN 110105649A CN 201910376705 A CN201910376705 A CN 201910376705A CN 110105649 A CN110105649 A CN 110105649A
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- 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 toughness HDPE double-wall corrugated pipes and preparation method thereof.The toughness HDPE double-wall corrugated pipe is by HDPE pellet, Recycled HDPE, polyolefin hot-melt, nano-scale fiber and calcium stearate composition, the HDPE pellet is by HDPE, pecan shell, ginkgo shell, maleic anhydride, A-171 silane coupling agent and magnet powder reaction are made, the Recycled HDPE is by reclaimed materials HDPE, concentrated hydrochloric acid, sodium chloride, water, poly aluminium iron silicate and polyacrylamide C8540 reaction are made, the polyolefin hot-melt is by polyolefin hot-melt grain, silica solution, TiO 2 sol and calcium sulfate reaction are made, the nano-scale fiber is by nanofiber, mercaptoethanol, adipic acid, pitch and epichlorohydrin rubber reaction are made.Toughness HDPE double-wall corrugated pipe provided by the invention has excellent resistance to pressure, impact property and ring flexible.
Description
Technical field
The present invention relates to plastic pipe fields, and in particular to a kind of toughness HDPE double-wall corrugated pipe and preparation method thereof.
Background technique
With the fast development of industrial economy and the continuous promotion of people's living standard, usage amount of the people to plastic pipe
While being continuously increased, to plastic pipe, more stringent requirements are proposed, and especially to HDPE double-wall corrugated pipe, HDPE it is expected in market
Double-wall corrugated pipe is further promoted in terms of resistance to pressure, impact strength and ring flex capability.Those skilled in the art couple
The formula and technique of HDPE double-wall corrugated pipe have carried out system research.Since common HDPE double-wall corrugated pipe is suitable for common plastics
Pipe material field needs the performance of the HDPE double-wall corrugated pipe of special dimension not up to standard.Therefore, HDPE double-wall corrugated pipe is resistance to
It needs to improve in terms of pressure property, impact property and ring flex capability.
Summary of the invention
The purpose of the present invention is to provide a kind of toughness HDPE double-wall corrugated pipe, toughness HDPE double-wall corrugated pipe is used
HDPE pellet, Recycled HDPE, polyolefin hot-melt, nano-scale fiber and calcium stearate are prepared, have excellent resistance to pressure,
Impact property and ring are flexible.
Another object of the present invention is to provide the preparation methods of above-mentioned toughness HDPE double-wall corrugated pipe.
To achieve the goals above, technical scheme is as follows:
A kind of toughness HDPE double-wall corrugated pipe is 88:13~28:7~21:11~20:3~7 by mass parts ratio
HDPE pellet, Recycled HDPE, polyolefin hot-melt, nano-scale fiber and calcium stearate composition；Wherein, the HDPE pellet by
Mass parts ratio is 91:16~30:15~23:8~16:7~14:9~15 HDPE, pecan shell, ginkgo shell, maleic
Dicarboxylic anhydride, A-171 silane coupling agent and magnet powder reaction are made；The Recycled HDPE is 83:27~41 by mass parts ratio:
7~19:38~59:1~9:0.1~2 reclaimed materials HDPE, concentrated hydrochloric acid, sodium chloride, water, poly aluminium iron silicate and polyacrylamide
C8540 reaction is made；The polyolefin hot-melt is by mass parts ratio 52:26~39:22~41:18~31 polyolefin warm
Melten gel grain, silica solution, TiO 2 sol and calcium sulfate reaction are made；The nano-scale fiber is 30 by mass parts ratio:
13~20:19~35:16~37:14~28 nanofiber, mercaptoethanol, adipic acid, pitch and epichlorohydrin rubber are anti-
It should be made.
Preferably, the matter of the HDPE pellet, Recycled HDPE, polyolefin hot-melt, nano-scale fiber and calcium stearate
Amount portion rate is 88:19:14.6:16.5:5.
The preparation method of above-mentioned toughness HDPE double-wall corrugated pipe, includes the following steps:
(1), nanofiber and adipic acid are added in hydrothermal reaction kettle, maintenance system hydrothermal temperature 139~178
1~7h is reacted under the conditions of DEG C, product is added to hydrothermal reaction kettle through water washing, ethanol washing, drying, by product and mercaptoethanol
In, 1~5h is reacted under the conditions of 126~150 DEG C of maintenance system hydrothermal temperature, product through water washing, ethanol washing, drying,
Product, pitch and epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, reaction temperature is 60 DEG C anti-
Answer 0.5h, transfer the material into hydrothermal reaction kettle, under the conditions of 132~165 DEG C of maintenance system hydrothermal temperature react 1~
6h, product obtain nano-scale fiber through ethanol washing, drying, crushing；The purpose of the nanofiber is bis- to improve HDPE
Wall bellows pressure resistance performance；The purpose of the pitch and epichlorohydrin rubber is strong to improve the impact of HDPE double-wall corrugated pipe
Degree and ring are flexible；
(2), polyolefin hot-melt grain, silica solution, TiO 2 sol and calcium sulfate are added in reaction kettle, stirring speed
Degree is 135r/min, and reaction temperature reacts 0.5h under the conditions of being 50 DEG C, and it is anti-that temperature of reaction kettle is warming up to 130~175 DEG C of stirrings
0.5~3h is answered, product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, is evaporated under reduced pressure 2h through 130 DEG C, -0.08MPa, crushes, obtain
To polyolefin hot-melt；The purpose of the polyolefin hot-melt grain is the compatibility and dispersibility to improve material and HDPE；
(3), reclaimed materials HDPE, concentrated hydrochloric acid, sodium chloride and water are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction
0.2~1h is reacted under the conditions of 146~180 DEG C of temperature, and after material is cooling, poly aluminium iron silicate and polyacrylamide are added into material
Amine C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, and flocculate is through water supersound washing, drying, powder
It is broken, product extruder 177~198 DEG C of extruding pelletizations of temperature to get arrive Recycled HDPE；The concentrated hydrochloric acid and sodium chloride
Purpose is quickly to remove inorganic filler in reclaimed materials HDPE；
(4), pecan shell, ginkgo shell, maleic anhydride, A-171 silane coupling agent and magnet powder are added to height
In fast mixing machine, with high-speed mixer under the conditions of 800r/min room temperature mixed at high speed 35min, HDPE is added to mixed at high speed
In machine, room temperature mixed at high speed 15min under the conditions of 800r/min, with extruder 180~205 DEG C of extruding pelletizations of temperature to get
To HDPE pellet；The pecan shell, ginkgo shell, A-171 silane coupling agent and magnet powder purpose be to improve HDPE
Waterproofness；
(5), HDPE pellet, Recycled HDPE, polyolefin hot-melt, nano-scale fiber and calcium stearate high speed is added to mix
In conjunction machine, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed 3min, with extruder at 175~217 DEG C of temperature
Extrusion molding to get arrive toughness HDPE double-wall corrugated pipe.
The beneficial effects of the present invention are:
1, nanofiber has excellent draw ratio, and large specific surface area, because of its small-size effect, bigger serface and length
Pressure-resistant performance of the diameter than HDPE double-wall corrugated pipe can be obviously improved, and pitch and epichlorohydrin rubber to nanofiber surface into
Row modification, can improve nanofiber while dispersibility, can improve dispersibility and increasing of the nanofiber in HDPE in HDPE
Tough performance；The nano-scale fiber of preparation can improve the resistance to pressure of HDPE double-wall corrugated pipe, impact because of its excellent mechanical property by force
Degree and ring are flexible；
2, polyolefin hot-melt grain and HDPE have preferable compatibility, by under heating condition by silica solution, titanium dioxide
Titanium colloidal sol and calcium sulfate are dispersed in polyolefin hot-melt grain, improve silica solution, TiO 2 sol and calcium sulfate in polyolefin
In hot melt adhesive tablet while dispersion stabilization, polyolefin hot-melt grain can improve the mechanical property of HDPE double-wall corrugated pipe；Preparation
The polyolefin hot-melt resistance to pressure, impact property and ring that can improve HDPE double-wall corrugated pipe because of its excellent mechanical property it is soft
Property；
3, concentrated hydrochloric acid and sodium chloride have excellent corrosivity and permeability, can express delivery inorganic in reclaimed materials HDPE is filled out
Material is rapidly converted into soluble-salt, can significantly improve HDPE content in reclaimed materials HDPE, is combined by the flocculant of resistance to highly acid poly-
Aluminium iron silicate and polyacrylamide C8540, can quickly by treated, HDPE flocculation sedimentation be recycled after washed processing
HDPE；The Recycled HDPE of preparation can improve the impact strength of HDPE double-wall corrugated pipe because of its HDPE content with higher；
4, A-171 silane coupling agent has excellent waterproofness, after the modification of A-171 silane coupling agent, can be obviously improved
The waterproofness of pecan shell, ginkgo shell and magnet powder, through with HDPE it is compound after, can improve the waterproofness of HDPE, improve HDPE
The long-term waterproofness and resistance to pressure of double-wall corrugated pipe；The HDPE pellet of preparation extends its resistance to pressure because of its excellent waterproof performance.
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 toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 23.6 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction
3.5h is reacted under the conditions of 151 DEG C of temperature, product is through water washing, ethanol washing, drying, by product and 16.1 parts of mercaptoethanol additions
Into hydrothermal reaction kettle, 3h is reacted under the conditions of 140 DEG C of maintenance system hydrothermal temperature, product is through water washing, ethanol washing, dry
It is dry, product, 20.7 parts of pitches and 19.6 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, instead
Answering temperature is 60 DEG C of reaction 0.5h, is transferred the material into hydrothermal reaction kettle, under the conditions of 155 DEG C of maintenance system hydrothermal temperature
4h is reacted, product obtains nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 31.2 parts of silica solution, 31 parts of TiO 2 sols and 23.9 parts of sulfuric acid are weighed
Calcium is added in reaction kettle, mixing speed 135r/min, and reaction temperature reacts 0.5h under the conditions of being 50 DEG C, by temperature of reaction kettle
It is warming up to 156 DEG C and is stirred to react 0.8h, product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, depressurizes through 130 DEG C, -0.08MPa
2h is distilled, crushes, obtains polyolefin hot-melt；
(3), weighing 83 parts of reclaimed materials HDPE, 31 parts of concentrated hydrochloric acids, 11.7 parts of sodium chloride and 46.3 parts of water, to be added to hydro-thermal anti-
It answers in kettle, reacts 0.4h under the conditions of 160 DEG C of maintenance system hydrothermal temperature, after material is cooling, 1.3 parts are added into material
Poly aluminium iron silicate and 0.3 part of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, wadding
Condensate is through water supersound washing, drying, crushing, and product extruder is in 185 DEG C of extruding pelletizations of temperature to get arriving Recycled HDPE；
(4), 20.6 parts of pecan shells, 18.3 parts of ginkgo shells, 12.2 parts of maleic anhydrides, 11.8 parts of A-171 are weighed
Silane coupling agent and 13.1 parts of magnet powders are added in high-speed mixer, and with high-speed mixer, room temperature is high under the conditions of 800r/min
Speed mixing 35min, 91 parts of HDPE is added in high-speed mixer, room temperature mixed at high speed 15min under the conditions of 800r/min, is used
Extruder 186 DEG C of extruding pelletizations of temperature to get arrive HDPE pellet；
(5), 88 parts of HDPE pellets, 19 parts of Recycled HDPEs, 14.6 parts of polyolefin hot-melts, 16.5 parts of nano-scale fibers are weighed
Be added in high-speed mixer with 5 parts of calcium stearates, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed 3min,
With extruder 188 DEG C of extrusion moldings of temperature to get arrive toughness HDPE double-wall corrugated pipe.
Embodiment 2
A kind of toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 19 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction temperature
7h is reacted under the conditions of 139 DEG C of degree, product is added to hydro-thermal through water washing, ethanol washing, drying, by product and 13 parts of mercaptoethanols
In reaction kettle, 5h is reacted under the conditions of 126 DEG C of maintenance system hydrothermal temperature, product, will through water washing, ethanol washing, drying
Product, 16 parts of pitches and 14 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, and reaction temperature is
60 DEG C of reaction 0.5h, transfer the material into hydrothermal reaction kettle, react 6h under the conditions of 132 DEG C of maintenance system hydrothermal temperature,
Product obtains nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 26 parts of silica solution, 22 parts of TiO 2 sols and 18 parts of calcium sulfate are weighed to add
It adds in reaction kettle, mixing speed 135r/min, reaction temperature reacts 0.5h under the conditions of being 50 DEG C, and temperature of reaction kettle is heated up
It is stirred to react 3h to 130 DEG C, product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, it is evaporated under reduced pressure 2h through 130 DEG C, -0.08MPa,
It crushes, obtains polyolefin hot-melt；
(3), 83 parts of reclaimed materials HDPE, 27 parts of concentrated hydrochloric acids, 7 parts of sodium chloride and 38 parts of water are weighed and are added to hydrothermal reaction kettle
In, 1h is reacted under the conditions of 146 DEG C of maintenance system hydrothermal temperature, after material is cooling, 1 part of aluminium silicate polymer is added into material
Iron and 0.1 part of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, and flocculate is through water
Supersound washing, drying, crushing, product extruder 177 DEG C of extruding pelletizations of temperature to get arrive Recycled HDPE；
(4), 16 parts of pecan shells, 15 parts of ginkgo shells, 8 parts of maleic anhydrides, 7 parts of A-171 silane coupling agents are weighed
Be added in high-speed mixer with 9 parts of magnet powders, with high-speed mixer under the conditions of 800r/min room temperature mixed at high speed 35min,
91 parts of HDPE are added in high-speed mixer, room temperature mixed at high speed 15min under the conditions of 800r/min, with extruder in temperature
180 DEG C of extruding pelletizations to get arrive HDPE pellet；
(5), 88 parts of HDPE pellets, 13 parts of Recycled HDPEs, 7 parts of polyolefin hot-melts, 11 parts of nano-scale fibers and 3 parts are weighed
Calcium stearate is added in high-speed mixer, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed 3min, with squeeze
Out machine 175 DEG C of extrusion moldings of temperature to get arrive toughness HDPE double-wall corrugated pipe.
Embodiment 3
A kind of toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 35 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction temperature
1h is reacted under the conditions of 178 DEG C of degree, product is added to hydro-thermal through water washing, ethanol washing, drying, by product and 20 parts of mercaptoethanols
In reaction kettle, 1h is reacted under the conditions of 150 DEG C of maintenance system hydrothermal temperature, product, will through water washing, ethanol washing, drying
Product, 37 parts of pitches and 28 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, and reaction temperature is
60 DEG C of reaction 0.5h, transfer the material into hydrothermal reaction kettle, react 1h under the conditions of 165 DEG C of maintenance system hydrothermal temperature,
Product obtains nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 39 parts of silica solution, 41 parts of TiO 2 sols and 31 parts of calcium sulfate are weighed to add
It adds in reaction kettle, mixing speed 135r/min, reaction temperature reacts 0.5h under the conditions of being 50 DEG C, and temperature of reaction kettle is heated up
It is stirred to react 0.5h to 175 DEG C, product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, is evaporated under reduced pressure through 130 DEG C, -0.08MPa
2h crushes, obtains polyolefin hot-melt；
(3), 83 parts of reclaimed materials HDPE, 41 parts of concentrated hydrochloric acids, 19 parts of sodium chloride and 59 parts of water are weighed and are added to hydrothermal reaction kettle
In, 0.2h is reacted under the conditions of 180 DEG C of maintenance system hydrothermal temperature, after material is cooling, 9 parts of polysilicon acids are added into material
Ferro-aluminum and 2 parts of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, and flocculate is through water
Supersound washing, drying, crushing, product extruder 198 DEG C of extruding pelletizations of temperature to get arrive Recycled HDPE；
(4), it is silane coupled that 30 parts of pecan shells, 23 parts of ginkgo shells, 16 parts of maleic anhydrides, 14 parts of A-171 are weighed
Agent and 15 parts of magnet powders are added in high-speed mixer, with high-speed mixer under the conditions of 800r/min room temperature mixed at high speed
91 parts of HDPE are added in high-speed mixer by 35min, and room temperature mixed at high speed 15min, uses extruder under the conditions of 800r/min
205 DEG C of extruding pelletizations of temperature to get arrive HDPE pellet；
(5), 88 parts of HDPE pellets, 28 parts of Recycled HDPEs, 21 parts of polyolefin hot-melts, 20 parts of nano-scale fibers and 7 are weighed
Part calcium stearate is added in high-speed mixer, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed 3min, use
Extruder 217 DEG C of extrusion moldings of temperature to get arrive toughness HDPE double-wall corrugated pipe.
Embodiment 4
A kind of toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 19.8 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction
1.5h is reacted under the conditions of 141 DEG C of temperature, product is through water washing, ethanol washing, drying, by product and 13.7 parts of mercaptoethanol additions
Into hydrothermal reaction kettle, react 1.3h under the conditions of 129 DEG C of maintenance system hydrothermal temperature, product through water washing, ethanol washing,
It is dry, product, 16.9 parts of pitches and 14.6 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min,
Reaction temperature is 60 DEG C of reaction 0.5h, is transferred the material into hydrothermal reaction kettle, 135 DEG C of conditions of maintenance system hydrothermal temperature
Lower reaction 1.5h, product obtain nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 26.8 parts of silica solution, 25 parts of TiO 2 sols and 20 parts of calcium sulfate are weighed
It is added in reaction kettle, mixing speed 135r/min, reaction temperature reacts 0.5h under the conditions of being 50 DEG C, by temperature of reaction kettle liter
Temperature is stirred to react 0.7h to 133 DEG C, and product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, steams through 130 DEG C, -0.08MPa decompression
2h is evaporated, crushes, obtains polyolefin hot-melt；
(3), 83 parts of reclaimed materials HDPE, 27.8 parts of concentrated hydrochloric acids, 8.3 parts of sodium chloride and 39 parts of water are weighed and are added to hydro-thermal reaction
In kettle, 0.3h is reacted under the conditions of 149 DEG C of maintenance system hydrothermal temperature, after material is cooling, 1.3 parts is added into material and gathers
Aluminium iron silicate and 0.3 part of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, flocculation
Object is through water supersound washing, drying, crushing, and product extruder is in 178 DEG C of extruding pelletizations of temperature to get arriving Recycled HDPE；
(4), 17.5 parts of pecan shells, 16.8 parts of ginkgo shells, 9.2 parts of maleic anhydrides, 8 parts of A-171 silane are weighed
Coupling agent and 10 parts of magnet powders are added in high-speed mixer, with high-speed mixer under the conditions of 800r/min room temperature mixed at high speed
91 parts of HDPE are added in high-speed mixer by 35min, and room temperature mixed at high speed 15min, uses extruder under the conditions of 800r/min
183 DEG C of extruding pelletizations of temperature to get arrive HDPE pellet；(5), 88 parts of HDPE pellets, 14 parts of Recycled HDPEs, 9 parts of polyenes are weighed
Hydrocarbon hot melt adhesive, 13 parts of nano-scale fibers and 3.5 parts of calcium stearates are added in high-speed mixer, with high-speed mixer in 900r/
Room temperature mixed at high speed 3min under the conditions of min, with extruder in 176 DEG C of extrusion moldings of temperature to get double-wall corrugated to toughness HDPE
Pipe.
Embodiment 5
A kind of toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 20.6 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction
1.6h is reacted under the conditions of 141 DEG C of temperature, product is through water washing, ethanol washing, drying, by product and 14.6 parts of mercaptoethanol additions
Into hydrothermal reaction kettle, react 1.4h under the conditions of 129 DEG C of maintenance system hydrothermal temperature, product through water washing, ethanol washing,
It is dry, product, 19.7 parts of pitches and 18.8 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min,
Reaction temperature is 60 DEG C of reaction 0.5h, is transferred the material into hydrothermal reaction kettle, 138 DEG C of conditions of maintenance system hydrothermal temperature
Lower reaction 2.5h, product obtain nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 30.2 parts of silica solution, 29.7 parts of TiO 2 sols and 22.6 parts of sulphur are weighed
Sour calcium is added in reaction kettle, mixing speed 135r/min, and reaction temperature reacts 0.5h under the conditions of being 50 DEG C, will react kettle temperature
Degree is warming up to 138 DEG C and is stirred to react 0.8h, and product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, subtracts through 130 DEG C, -0.08MPa
Pressure distillation 2h, crushes, obtains polyolefin hot-melt；
(3), weighing 83 parts of reclaimed materials HDPE, 30.2 parts of concentrated hydrochloric acids, 8.7 parts of sodium chloride and 43.1 parts of water, to be added to hydro-thermal anti-
It answers in kettle, reacts 0.5h under the conditions of 155 DEG C of maintenance system hydrothermal temperature, after material is cooling, 3.2 parts are added into material
Poly aluminium iron silicate and 0.4 part of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, wadding
Condensate is through water supersound washing, drying, crushing, and product extruder is in 183 DEG C of extruding pelletizations of temperature to get arriving Recycled HDPE；
(4), 21.3 parts of pecan shells, 18.5 parts of ginkgo shells, 12.3 parts of maleic anhydrides, 11.2 parts of A-171 are weighed
Silane coupling agent and 11.2 parts of magnet powders are added in high-speed mixer, and with high-speed mixer, room temperature is high under the conditions of 800r/min
Speed mixing 35min, 91 parts of HDPE is added in high-speed mixer, room temperature mixed at high speed 15min under the conditions of 800r/min, is used
Extruder 188 DEG C of extruding pelletizations of temperature to get arrive HDPE pellet；
(5), 88 parts of HDPE pellets, 16.5 parts of Recycled HDPEs, 13.2 parts of polyolefin hot-melts, 14.6 parts of nanoscale fibres are weighed
4.6 parts of calcium stearates of peacekeeping are added in high-speed mixer, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed
3min, with extruder 189 DEG C of extrusion moldings of temperature to get arrive toughness HDPE double-wall corrugated pipe.
Embodiment 6
A kind of toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 20 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction temperature
4h is reacted under the conditions of 150 DEG C of degree, product is added to hydro-thermal through water washing, ethanol washing, drying, by product and 15 parts of mercaptoethanols
In reaction kettle, 3h is reacted under the conditions of 130 DEG C of maintenance system hydrothermal temperature, product, will through water washing, ethanol washing, drying
Product, 28 parts of pitches and 19 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, and reaction temperature is
60 DEG C of reaction 0.5h, transfer the material into hydrothermal reaction kettle, react 3h under the conditions of 157 DEG C of maintenance system hydrothermal temperature,
Product obtains nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 30 parts of silica solution, 32 parts of TiO 2 sols and 25 parts of calcium sulfate are weighed to add
It adds in reaction kettle, mixing speed 135r/min, reaction temperature reacts 0.5h under the conditions of being 50 DEG C, and temperature of reaction kettle is heated up
It is stirred to react 1.8h to 153 DEG C, product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, is evaporated under reduced pressure through 130 DEG C, -0.08MPa
2h crushes, obtains polyolefin hot-melt；
(3), 83 parts of reclaimed materials HDPE, 33 parts of concentrated hydrochloric acids, 14.6 parts of sodium chloride and 49 parts of water are weighed and are added to hydro-thermal reaction
In kettle, 0.5h is reacted under the conditions of 160 DEG C of maintenance system hydrothermal temperature, after material is cooling, 6 parts of poly- silicon are added into material
Sour ferro-aluminum and 0.7 part of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, flocculate
Through water supersound washing, drying, crushing, product extruder is in 183 DEG C of extruding pelletizations of temperature to get arriving Recycled HDPE；
(4), 26 parts of pecan shells, 20 parts of ginkgo shells, 13.1 parts of maleic anhydrides, 12.1 parts of A-171 silane are weighed
Coupling agent and 12.8 parts of magnet powders are added in high-speed mixer, and with high-speed mixer, room temperature high speed is mixed under the conditions of 800r/min
35min is closed, 91 parts of HDPE are added in high-speed mixer, room temperature mixed at high speed 15min under the conditions of 800r/min, with extrusion
Machine 195 DEG C of extruding pelletizations of temperature to get arrive HDPE pellet；
(5), 88 parts of HDPE pellets, 19.7 parts of Recycled HDPEs, 13.6 parts of polyolefin hot-melts, 15.9 parts of nanoscale fibres are weighed
5.2 parts of calcium stearates of peacekeeping are added in high-speed mixer, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed
3min, with extruder 200 DEG C of extrusion moldings of temperature to get arrive toughness HDPE double-wall corrugated pipe.
Embodiment 7
A kind of toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 33 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction temperature
6.2h is reacted under the conditions of 173 DEG C of degree, product and 18.6 parts of mercaptoethanols are added to by product through water washing, ethanol washing, drying
In hydrothermal reaction kettle, 4.5h is reacted under the conditions of 149 DEG C of maintenance system hydrothermal temperature, product is through water washing, ethanol washing, dry
It is dry, product, 35.6 parts of pitches and 25.7 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, instead
Answering temperature is 60 DEG C of reaction 0.5h, is transferred the material into hydrothermal reaction kettle, under the conditions of 162 DEG C of maintenance system hydrothermal temperature
5.5h is reacted, product obtains nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 36.8 parts of silica solution, 40.1 parts of TiO 2 sols and 30.1 parts of sulphur are weighed
Sour calcium is added in reaction kettle, mixing speed 135r/min, and reaction temperature reacts 0.5h under the conditions of being 50 DEG C, will react kettle temperature
Degree is warming up to 173 DEG C and is stirred to react 2.8h, and product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, subtracts through 130 DEG C, -0.08MPa
Pressure distillation 2h, crushes, obtains polyolefin hot-melt；
(3), 83 parts of reclaimed materials HDPE, 39.7 parts of concentrated hydrochloric acids, 18.3 parts of sodium chloride and 57.1 parts of water are weighed and are added to hydro-thermal
In reaction kettle, 0.8h is reacted under the conditions of 177 DEG C of maintenance system hydrothermal temperature, after material is cooling, 8.2 are added into material
Part poly aluminium iron silicate and 1.7 parts of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min,
Flocculate is through water supersound washing, drying, crushing, and product extruder is in 195 DEG C of extruding pelletizations of temperature to get arriving Recycled HDPE；
(4), 27.6 parts of pecan shells, 22.6 parts of ginkgo shells, 15.2 parts of maleic anhydrides, 13.1 parts of A-171 are weighed
Silane coupling agent and 14.6 parts of magnet powders are added in high-speed mixer, and with high-speed mixer, room temperature is high under the conditions of 800r/min
Speed mixing 35min, 91 parts of HDPE is added in high-speed mixer, room temperature mixed at high speed 15min under the conditions of 800r/min, is used
Extruder 203 DEG C of extruding pelletizations of temperature to get arrive HDPE pellet；
(5), 88 parts of HDPE pellets, 26.5 parts of Recycled HDPEs, 19.7 parts of polyolefin hot-melts, 17.6 parts of nanoscale fibres are weighed
6.5 parts of calcium stearates of peacekeeping are added in high-speed mixer, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed
3min, with extruder 215 DEG C of extrusion moldings of temperature to get arrive toughness HDPE double-wall corrugated pipe.
Embodiment 8
A kind of toughness HDPE double-wall corrugated pipe, preparation method includes the following steps:
(1), 30 parts of nanofibers are weighed and 32.1 parts of adipic acids are added in hydrothermal reaction kettle, maintenance system hydro-thermal reaction
5.5h is reacted under the conditions of 173 DEG C of temperature, product is through water washing, ethanol washing, drying, by product and 18.3 parts of mercaptoethanol additions
Into hydrothermal reaction kettle, react 3.5h under the conditions of 141 DEG C of maintenance system hydrothermal temperature, product through water washing, ethanol washing,
It is dry, product, 32 parts of pitches and 23 parts of epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, are reacted
Temperature is 60 DEG C of reaction 0.5h, is transferred the material into hydrothermal reaction kettle, anti-under the conditions of 160 DEG C of maintenance system hydrothermal temperature
5.3h is answered, product obtains nano-scale fiber through ethanol washing, drying, crushing；
(2), 52 parts of polyolefin hot-melt grains, 37.1 parts of silica solution, 36 parts of TiO 2 sols and 26.5 parts of sulfuric acid are weighed
Calcium is added in reaction kettle, mixing speed 135r/min, and reaction temperature reacts 0.5h under the conditions of being 50 DEG C, by temperature of reaction kettle
It is warming up to 168 DEG C and is stirred to react 2.6h, product is evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, depressurizes through 130 DEG C, -0.08MPa
2h is distilled, crushes, obtains polyolefin hot-melt；
(3), weighing 83 parts of reclaimed materials HDPE, 37.1 parts of concentrated hydrochloric acids, 16.6 parts of sodium chloride and 53 parts of water, to be added to hydro-thermal anti-
It answers in kettle, reacts 0.6h under the conditions of 168 DEG C of maintenance system hydrothermal temperature, after material is cooling, 7.3 parts are added into material
Poly aluminium iron silicate and 1.4 parts of polyacrylamide C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, wadding
Condensate is through water supersound washing, drying, crushing, and product extruder is in 191 DEG C of extruding pelletizations of temperature to get arriving Recycled HDPE；
(4), 26 parts of pecan shells, 21.7 parts of ginkgo shells, 14.3 parts of maleic anhydrides, 12.5 parts of A-171 silicon are weighed
Alkane coupling agent and 13.6 parts of magnet powders are added in high-speed mixer, with high-speed mixer under the conditions of 800r/min room temperature high speed
Mix 35min, 91 parts of HDPE are added in high-speed mixer, room temperature mixed at high speed 15min under the conditions of 800r/min, with squeeze
Out machine 201 DEG C of extruding pelletizations of temperature to get arrive HDPE pellet；
(5), 88 parts of HDPE pellets, 23.7 parts of Recycled HDPEs, 18.6 parts of polyolefin hot-melts, 16 parts of nano-scale fibers are weighed
Be added in high-speed mixer with 4.9 parts of calcium stearates, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed
3min, with extruder 212 DEG C of extrusion moldings of temperature to get arrive toughness HDPE double-wall corrugated pipe.
Reference examples 1
In this reference examples, nano-scale fiber is not added, other components and preparation method are same as Example 1.
Reference examples 2
In this reference examples, polyolefin hot-melt is not added, other components and preparation method are same as Example 1.
Reference examples 3
In this reference examples, Recycled HDPE is not added, other components and preparation method are same as Example 1.
Reference examples 4
Select the nano-scale fiber in common nanofiber alternate embodiment 1 in this reference examples, in formula, other components with
Preparation method is same as Example 1.
Reference examples 5
The polyolefin hot-melt in common polyolefin hot-melt grain alternate embodiment 1 is selected in this reference examples, in formula,
Its component and preparation method are same as Example 1.
Reference examples 6
The Recycled HDPE in common Recycled HDPE alternate embodiment 1, other components and system are selected in this reference examples, in formula
Preparation Method is same as Example 1.
Reference examples 7
The HDPE pellet in common HDPE alternate embodiment 1, other components and preparation side are selected in this reference examples, in formula
Method is same as Example 1.
To toughness HDPE double-wall corrugated pipe, resistance to pressure, impact property and ring made from Examples 1 to 8 and reference examples 1~7
Flexibility is tested according to GB/T 6111, GB/T 14152 and ISO 13968 respectively, and test result sees below Tables 1 and 2.
The performance parameter of toughness HDPE double-wall corrugated pipe made from 1 Examples 1 to 8 of table
The performance parameter of toughness HDPE double-wall corrugated pipe made from 2 embodiment 1 of table and reference examples 1~7
By upper Tables 1 and 2 it is found that the internal pressure-resistant for the toughness HDPE double-wall corrugated pipe that various embodiments of the present invention are prepared,
Impact property and ring flex capability are more excellent, this shows the toughness HDPE double-wall corrugated pipe being prepared with raw material provided by the invention
With preferable internal pressure-resistant, impact property and ring flex capability；In contrast, the toughness that the raw material of each reference examples is prepared
The internal pressure-resistant of HDPE double-wall corrugated pipe, impact property and ring flex capability are poor.In addition, what various embodiments of the present invention were prepared
Toughness HDPE double-wall corrugated pipe has preferable internal pressure-resistant, impact property and ring flex capability.
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 toughness HDPE double-wall corrugated pipe, which is characterized in that by mass parts ratio be 88:13~28:7~21:11~20:
3~7 HDPE pellet, Recycled HDPE, polyolefin hot-melt, nano-scale fiber and calcium stearate composition；Wherein, the HDPE
Pellet by mass parts ratio be 91:16~30:15~23:8~16:7~14:9~15 HDPE, pecan shell, ginkgo shell,
Maleic anhydride, A-171 silane coupling agent and magnet powder reaction are made；The Recycled HDPE is 83 by mass parts ratio:
27~41:7~19:38~59:1~9:0.1~2 reclaimed materials HDPE, concentrated hydrochloric acid, sodium chloride, water, poly aluminium iron silicate and poly- third
Acrylamide C8540 reaction is made；The polyolefin hot-melt is poly- by mass parts ratio 52:26~39:22~41:18~31
Alkene hot melt adhesive tablet, silica solution, TiO 2 sol and calcium sulfate reaction are made；The nano-scale fiber is by mass parts ratio
For 30:13~20:19~35:16~37:14~28 nanofiber, mercaptoethanol, adipic acid, pitch and epoxychloropropane rubber
Glue reaction is made.
2. toughness HDPE double-wall corrugated pipe according to claim 1, which is characterized in that the HDPE pellet, Recycled HDPE,
The mass parts ratio of polyolefin hot-melt, nano-scale fiber and calcium stearate is 88:19:14.6:16.5:5.
3. the preparation method of any toughness HDPE double-wall corrugated pipe of claim 1~2, which is characterized in that including walking as follows
It is rapid:
(1), nanofiber and adipic acid are added in hydrothermal reaction kettle, 139~178 DEG C of items of maintenance system hydrothermal temperature
1~7h is reacted under part, product and mercaptoethanol are added in hydrothermal reaction kettle by product through water washing, ethanol washing, drying,
1~5h is reacted under the conditions of 126~150 DEG C of maintenance system hydrothermal temperature, product will be produced through water washing, ethanol washing, drying
Object, pitch and epichlorohydrin rubber are added in reaction kettle, mixing speed 85r/min, and reaction temperature is 60 DEG C of reactions
0.5h is transferred the material into hydrothermal reaction kettle, and 1~6h is reacted under the conditions of 132~165 DEG C of maintenance system hydrothermal temperature,
Product obtains nano-scale fiber through ethanol washing, drying, crushing；
(2), polyolefin hot-melt grain, silica solution, TiO 2 sol and calcium sulfate are added in reaction kettle, mixing speed is
135r/min, reaction temperature react 0.5h under the conditions of being 50 DEG C, temperature of reaction kettle are warming up to 130~175 DEG C and is stirred to react 0.5
~3h, product are evaporated under reduced pressure 0.5h through 80 DEG C, -0.08MPa, are evaporated under reduced pressure 2h through 130 DEG C, -0.08MPa, crush, obtain polyene
Hydrocarbon hot melt adhesive；
(3), reclaimed materials HDPE, concentrated hydrochloric acid, sodium chloride and water are added in hydrothermal reaction kettle, maintenance system hydrothermal temperature
0.2~1h is reacted under the conditions of 146~180 DEG C, and after material is cooling, poly aluminium iron silicate and polyacrylamide are added into material
C8540, mixing speed 40r/min, mixing temperature are 30 DEG C of mixing 5min, flocculate through water supersound washing, drying, crushing,
Product extruder 177~198 DEG C of extruding pelletizations of temperature to get arrive Recycled HDPE；
(4), pecan shell, ginkgo shell, maleic anhydride, A-171 silane coupling agent and magnet powder high speed is added to mix
In conjunction machine, with high-speed mixer under the conditions of 800r/min room temperature mixed at high speed 35min, HDPE is added to high-speed mixer
In, room temperature mixed at high speed 15min under the conditions of 800r/min, with extruder in 180~205 DEG C of extruding pelletizations of temperature to get arriving
HDPE pellet；
(5), HDPE pellet, Recycled HDPE, polyolefin hot-melt, nano-scale fiber and calcium stearate are added to high-speed mixer
In, with high-speed mixer under the conditions of 900r/min room temperature mixed at high speed 3min, with extruder 175~217 DEG C of temperature squeeze out
It forms to get toughness HDPE double-wall corrugated pipe is arrived.
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| CN112980379A (en) * | 2021-03-12 | 2021-06-18 | 东莞聚力创新材料科技有限公司 | Moisture and thermal shock resistant polyurethane hot melt adhesive and preparation method thereof |
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| CN108864526A (en) * | 2018-05-29 | 2018-11-23 | 杭州鼎好新材料有限公司 | A kind of impact resistance polythene material and preparation method thereof |
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| CN109280247A (en) * | 2018-09-29 | 2019-01-29 | 付科能 | A kind of impact resistance polythene material and preparation method thereof |
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| CN108864526A (en) * | 2018-05-29 | 2018-11-23 | 杭州鼎好新材料有限公司 | A kind of impact resistance polythene material and preparation method thereof |
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