CN106366414B - A kind of high tenacity, high-intensitive polyolefin pipe and preparation method thereof - Google Patents
A kind of high tenacity, high-intensitive polyolefin pipe and preparation method thereof Download PDFInfo
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
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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
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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
- 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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of high tenacity, high-intensitive polyolefin pipe, are mainly prepared by the component of following weight part ratio：Polyethylene, modifying agent, altogether modifying agent, peroxide initiator, thermoplastic polyolefin elastomer, long glass fibres, surface coupling agent, compound stabilizer.Preparation method is：Weigh raw material；Long glass fibres is subjected to surface coupling processing；By polyolefin, modifying agent, modifying agent is mixed together, and benzoyl peroxide is added, adds thermoplastic polyolefin elastomer and compound stabilizer, obtains polyolefin mixing；Polyolefin mixing is added in the hopper of single screw extrusion machine, adds surface-treated long glass fibres in the homogenizing zone of extruder, melting extrusion to get.The present invention not only realizes material preparation and pipeline forms the purpose synchronously completed, it is low to greatly reduce production cost, and the toughness of pipeline of preparation, ring stiffness and tensile strength performance are excellent, also have very strong corrosion resistance, are suitable for industrial production and popularization and application.
Description
Technical field
The present invention relates to building engineering field, specifically a kind of high tenacity, high-intensitive polyolefin pipe and its system
Preparation Method.
Background technique
China's tradition conveyance conduit mainly uses steel pipe and GRP pipe.In recent years, with the hair of society
The progress of exhibition and science and technology, conveying material also gradually show diversification and complicate, this allows for once occupying in conveyance conduit
The use drawback of the steel pipe of absolute leading position gradually highlights, and is mainly manifested in the following aspects：1, various tools are conveyed
Be corrosive gas or liquid when there are problems that inner wall of the pipe is corroded, studies show that, the rate of corrosion that steel pipe is annual
For 0.2-1.2mm, this directly results in steel pipe reduced service life, maintenance cost increases；2, roughness coefficien in the pipe of steel pipe
Between 0.013-0.014, for the pipeline of the conveying capacity of same liquid, same caliber, its on-way resistance conveyed can be shown in this way
Work increases, this just needs to increase the lift of pump, increase initial investment, while operating cost because power consumption is big, also significantly increases；
3, when steel pipe is as pipe material for coal mine, since specific gravity is bigger, it is 7 times of polyvinyl piping materials, increases the difficulty of underground work；
4, the cost of steel pipe is relatively high, inconvenient during installation and maintenance.At the same time, glass reinforced plastic pipe is in conveyance conduit with it
The quality relatively advantages such as light, good corrosion resistance are instead of part steel pipe, but glass pipe is seeped there are interface requirement height, easily
The problem of leakage, and glass reinforced plastic belongs to fragile material, is difficult to bear biggish impact force, when as pipe material for coal mine, exists
The risk impacted and be destroyed by ore.
In view of various deficiencies of conventional steel pipeline and glass pipe, the researcher in industry is transferred to focus is developed
Plastic conduit, and with the continuous maturation of research and development technology, plastic conduit with its excellent performance and energy-saving effect not
Disconnected substitution metal and other traditional piping materials.Plastic pipe has compared with conventional metals pipeline from heavy and light, corrosion-resistant, hygienic peace
Entirely, small flow resistance, it is energy saving, save metal, better people's living environment, long service life, it is easy for installation the features such as, receive
The favor of pipeline engineering circle simultaneously occupies considerable position, forms a kind of irresistible development trend.Currently, plastic tube
Road is usually that stabilizer, lubricant, plasticizer etc. is added, passes through in tuber in the method for " modeling " using synthetic resin as raw material
Extrusion process forms.Since it has light, corrosion-resistant, good appearance, without the spies such as bad smell, handling ease, easy for construction
Point, in the tap water supply system of architectural engineering, especially building construction, draining, exhaust and blowdown sanitary pipe, subsoil drain
System, rain pipe etc. are widely used.But there are also several apparent disadvantages, intensity compared with steel pipe for plastic conduit
It is lower, allowable stress is small, toughness is low, impact resistance is poor, it is complicated not adapt to or severe geological state.Therefore, it develops
The plastic conduit that intensity is high and good toughness, impact resistance are good, become Vehicles Collected from Market there is an urgent need to.
Summary of the invention
It is an object of the invention to provide a kind of high tenacity, high-intensitive polyolefin pipe and preparation method thereof, to solve
The problem that existing plastic conduit intensity is low, toughness is low, impact resistance is poor.
The purpose of the present invention is what is be achieved through the following technical solutions：A kind of high tenacity, high-intensitive polyolefin pipe, it is main
It to be prepared by the component of following weight part ratio：60-90 parts of polyethylene, 1.5-3 parts of modifying agent, altogether modifying agent 1.5-3
Part, 0.01-0.05 parts of peroxide initiator, 5-15 parts of thermoplastic polyolefin elastomer, 5-15 parts of long glass fibres, table
Coupling agent 0.05-0.5 parts of face, 0.5-1 parts of compound stabilizer；
The modifying agent is acid anhydrides or epoxy-modified dose；
The modifying agent altogether is styrene.
The acid anhydrides or epoxy-modified dose is in maleic anhydride, glycidyl methacrylate or epoxidized soybean oils
Any one.
The peroxide initiator is benzoyl peroxide.
The surface coupling agent is Silane coupling agent KH550.
The compound stabilizer is antioxidant 1010 and triphenyl phosphite is 1 in mass ratio:The mixture of 1 composition.
The length of the long glass fibres is 3-6mm.
The mass ratio preferably 1 of the acid anhydrides or epoxy-modified dose and styrene:1.
The present invention also provides a kind of high tenacity, the preparation method of high-intensitive polyolefin pipe, include the following steps：
（a）Raw material is weighed by the component of following weight part ratio：60-90 parts of polyethylene, acid anhydrides or epoxy-modified dose
1.5-3 parts, 1.5-3 parts of styrene, 0.01-0.05 parts of benzoyl peroxide, 5-15 parts of thermoplastic polyolefin elastomer, length
5-15 parts of glass fibre, 0.05-0.5 parts of Silane coupling agent KH550,0.5-1 parts of compound stabilizer；
（b）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 1-2%, is impregnated
8-12min；30min is dried at being 75-90 DEG C in temperature by the long glass fibres after immersion, then is warming up at 120-140 DEG C anti-
30min is answered, surface-treated long glass fibres is obtained；
（c）Polyethylene, acid anhydrides or epoxy-modified dose are mixed with styrene, in the revolving speed of high mixer 750-850r/min
Lower mixing 3-5min is added benzoyl peroxide, mixes 3-5min under the revolving speed of high mixer 2000-2500r/min, add
Thermoplastic polyolefin elastomer and compound stabilizer, continues to mix 2-4min, obtain polyolefin mixing；
（d）The polyolefin mixing is added in the hopper of single screw extrusion machine, the major diameter of the single screw extrusion machine
Than for 40-50:1,160-180 DEG C of feeding section temperature；180-240 DEG C of melt zone temperature, 200-260 DEG C of homogenizing zone temperature, mould
170-220 DEG C of temperature of head, step is added in the homogenizing zone of extruder in screw speed 50-150r/m（b）The surface treatment
The long glass fibres crossed, melting extrusion is to get high tenacity, high-intensitive polyolefin pipe.
Step in preparation method provided by the invention（a）The acid anhydrides or epoxy-modified dose are maleic anhydride, methyl-prop
Any one in olefin(e) acid ethylene oxidic ester or epoxidized soybean oil.
Step in preparation method provided by the invention（a）The compound stabilizer is antioxidant 1010 and triphenyl phosphite
It is in mass ratio 1:The mixture of 1 composition.
Step in preparation method provided by the invention（a）The acid anhydrides or epoxy-modified dose it is excellent with the mass ratio of styrene
Select 1:1.
The present invention is basic raw material with the plastic material of this rotproofness of polyethylene, has selected specific modifying agent, has changed altogether
Property agent, initiator and compound stabilizer, have selected the special ratios between each component, by specific step of preparation process,
The compatible reaction realized between the production and raw material of pipeline is synchronized, a kind of high-intensitive, high tenacity and corrosion-resistant is prepared for
Polyolefin pipe.
In fact, in order to meet the needs of market is to pipeline high intensity, the research staff of the pipeline material in industry also exists
The more excellent plastic conduit of new performance is constantly studied, is also attempted by adding long glass fibres in the material come reinforced pipe
The intensity in road, but plastic conduit producer melts generally by upstream producer production pipeline material, then by material in the preparation at present
Melt extrusion molding and obtain pipeline, is added in pipeline material even if this there is long glass fibres, and the intensity of material itself
Also it increases, but in further melting extrusion pipeline, the length of the long glass fibres in material and distribution can become
Change, this results in the intensity of pipeline that expected effect is not achieved.In addition, currently, rarely have in industry producer reach material preparation with
Pipeline molding is synchronous to be realized, this is primarily due to just, and there are material groups for extrusion molding in raw materials for production for current screw extruder
/ compatibility it is poor so that requirement is also not achieved in the pipeline rigidity and toughness that finally prepare.Therefore, of the invention
Innovative point is that：The selection of each component and the specific proportion of each component, especially it is the addition of total modifying agent, increases acid anhydrides
Or grafting of the epoxy group on polyolefin, preferably improve between polyolefin and thermoplastic elastomer (TPE) and fiberglass component
Compatibility, for raw material preparation it is synchronous with pipeline production realize provide possibility；At the same time, the present invention has developed specifically
Processing step has carried out the blending of surface treatment, polyethylene and other components, the list of specific path length ratio to long glass fibres
The selection of screw extruder, the setting of four sections of special process parameters of extrusion molding, so that the polyolefin mixing that synchronous reaction generates
Immediate reaction and increase-volume in situ are carried out with processed long glass fibres, forming material with pipeline can reach synchronous
The pipeline realized, and prepared has better intensity and toughness, solves in existing industry plastic conduit production preparation with this
Existing technology puzzlement.
It can be seen that the present invention not only realizes material preparation and pipeline molding synchronously completes, pipeline is greatly reduced
Production cost is low, and the toughness of the pipeline prepared, ring stiffness and tensile strength performance are excellent, also has very strong corrosion-resistant
Property, long service life, application range is more extensive, can satisfy wanting for tightened up and more harsh environment and field of employment
It asks, can be applied to the long distance delivery of the substance of bad environments complexity, especially chemical industry and Nuclear Power Industry.In addition, of the invention
The preparation method of offer is simple, good operability, high production efficiency, is suitable for industrial production and popularization and application.
Specific embodiment
Following example is for present invention be described in more detail, but the invention is not limited in any way.
Embodiment 1
（1）Weigh raw material：Polyethylene 77kg, maleic anhydride modified dose of 1.5 kg, styrene 1.5kg, benzoyl peroxide first
Acyl 0.02kg, thermoplastic polyolefin elastomer 10kg, long glass fibres 10kg, Silane coupling agent KH550 0.2kg, antioxygen
1010 0.25kg of agent and triphenyl phosphite 0.25kg；
（2）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 1.5%, is impregnated
10min；30min is dried at being 80 DEG C in temperature by the long glass fibres after immersion, then is warming up at 130 DEG C and reacts 30min, is obtained
Surface-treated long glass fibres；
（3）Polyethylene, maleic anhydride modified dose are mixed with styrene, mixed under the revolving speed of high mixer 800r/min
3min is added benzoyl peroxide, mixes 3min under the revolving speed of high mixer 2000r/min, add thermoplastic polyolefin bullet
Property body, antioxidant 1010 and triphenyl phosphite, continues to mix 3min, obtain polyolefin mixing；
（4）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine（Pipe range with
Diameter）It is 50:1,170 DEG C of feeding section temperature；200 DEG C of melt zone temperature, 240 DEG C of homogenizing zone temperature, 200 DEG C of die head temperature,
Screw speed is 100r/m, and step is added in the homogenizing zone of extruder（2）The surface-treated long glass fibres,
Melting extrusion is to get high tenacity, high-intensitive polyolefin pipe.
Embodiment 2
（1）Weigh raw material：Polyethylene 75kg, maleic anhydride modified dose of 1.5 kg, styrene 1.5Kg, benzoyl peroxide first
Acyl 0.02kg, thermoplastic polyolefin elastomer 10kg, long glass fibres 12kg, Silane coupling agent KH550 0.3kg, antioxygen
1010 0.25kg of agent and triphenyl phosphite 0.25kg；
（2）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 2%, is impregnated
10min；30min is dried at being 80 DEG C in temperature by the long glass fibres after immersion, then is warming up at 130 DEG C and reacts 30min, is obtained
Surface-treated long glass fibres；
（3）Polyethylene, maleic anhydride modified dose are mixed with styrene, mixed under the revolving speed of high mixer 800r/min
3min is added benzoyl peroxide, mixes 4min under the revolving speed of high mixer 2000r/min, add thermoplastic polyolefin bullet
Property body, antioxidant 1010 and triphenyl phosphite, continues to mix 2min, obtain polyolefin mixing；
（4）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 50:1,
160 DEG C of its feeding section temperature；220 DEG C of melt zone temperature, 240 DEG C of homogenizing zone temperature, 200 DEG C of die head temperature, screw speed is
Step is added in the homogenizing zone of extruder in 100r/m（2）The surface-treated long glass fibres, melting extrusion,
Up to high tenacity, high-intensitive polyolefin pipe.
Embodiment 3
（1）Weigh raw material：Polyethylene 71kg, maleic anhydride modified dose of 1.5 kg, styrene 1.5kg, benzoyl peroxide first
Acyl 0.02kg, thermoplastic polyolefin elastomer 15kg, long glass fibres 12kg, Silane coupling agent KH550 0.2kg, antioxygen
1010 0.25kg of agent and triphenyl phosphite 0.25kg；
（2）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 2%, is impregnated
10min；30min is dried at being 75 DEG C in temperature by the long glass fibres after immersion, then is warming up at 120 DEG C and reacts 30min, is obtained
Surface-treated long glass fibres；
（3）Polyethylene, maleic anhydride modified dose are mixed with styrene, mixed under the revolving speed of high mixer 850r/min
3min is added benzoyl peroxide, mixes 3min under the revolving speed of high mixer 2500r/min, add thermoplastic polyolefin bullet
Property body, antioxidant 1010 and triphenyl phosphite, continues to mix 3min, obtain polyolefin mixing；
（4）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 40:1,
180 DEG C of its feeding section temperature；180 DEG C of melt zone temperature, 255 DEG C of homogenizing zone temperature, 170 DEG C of die head temperature, screw speed is
Step is added in the homogenizing zone of extruder in 100r/m（2）The surface-treated long glass fibres, melting extrusion,
Up to high tenacity, high-intensitive polyolefin pipe.
Embodiment 4
（1）Weigh raw material：Polyethylene 60kg, 3 kg of glycidyl methacrylate modifying agent, styrene 3kg, peroxide
Change benzoyl 0.01kg, thermoplastic polyolefin elastomer 5kg, long glass fibres 5kg, Silane coupling agent KH550 0.12kg,
Antioxidant 1010 0.5kg and triphenyl phosphite 0.5kg；
（2）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 1.5%, is impregnated
8min；30min is dried at being 90 DEG C in temperature by the long glass fibres after immersion, then is warming up at 140 DEG C and reacts 30min, is obtained
Surface-treated long glass fibres；
（3）Polyethylene, glycidyl methacrylate modifying agent are mixed with styrene, high mixer 750r/min's
5min is mixed under revolving speed, and benzoyl peroxide is added, mixes 5min under the revolving speed of high mixer 2300r/min, adds thermoplastic
Property polyolefin elastomer, antioxidant 1010 and triphenyl phosphite, continues to mix 4min, obtain polyolefin mixing；
（4）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 40:1,
170 DEG C of its feeding section temperature；220 DEG C of melt zone temperature, 250 DEG C of homogenizing zone temperature, 220 DEG C of die head temperature, screw speed is
Step is added in the homogenizing zone of extruder in 50r/m（2）The surface-treated long glass fibres, melting extrusion, i.e.,
Obtain high tenacity, high-intensitive polyolefin pipe.
Embodiment 5
（1）Weigh raw material：Polyethylene 80kg, epoxidized soybean oil modifying agent 2kg, styrene 2kg, benzoyl peroxide
0.04kg, thermoplastic polyolefin elastomer 8kg, long glass fibres 8kg, Silane coupling agent KH550 0.05kg, antioxidant
1010 0.3kg and triphenyl phosphite 0.3kg；
（2）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 2%, is impregnated
12min；30min is dried at being 80 DEG C in temperature by the long glass fibres after immersion, then is warming up at 120 DEG C and reacts 30min, is obtained
Surface-treated long glass fibres；
（3）Polyolefin, epoxidized soybean oil modifying agent are mixed with styrene, mixed under the revolving speed of high mixer 800r/min
4min is added benzoyl peroxide, mixes 3min under the revolving speed of high mixer 2000r/min, add thermoplastic polyolefin bullet
Property body, antioxidant 1010 and triphenyl phosphite, continues to mix 3min, obtain polyolefin mixing；
（4）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 45:1,
180 DEG C of its feeding section temperature；240 DEG C of melt zone temperature, 240 DEG C of homogenizing zone temperature, 210 DEG C of die head temperature, screw speed is
Step is added in the homogenizing zone of extruder in 80r/m（2）The surface-treated long glass fibres, melting extrusion, i.e.,
Obtain high tenacity, high-intensitive polyolefin pipe.
Embodiment 6
（1）Weigh raw material：Polyethylene 90kg, maleic anhydride modified dose of 2.5kg, styrene 2.5kg, benzoyl peroxide
0.05kg, thermoplastic polyolefin elastomer 12kg, long glass fibres 15kg, Silane coupling agent KH550 0.5kg, antioxidant
1010 0.4kg and triphenyl phosphite 0.4kg；
（2）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 1.5%, is impregnated
10min；30min is dried at being 75 DEG C in temperature by the long glass fibres after immersion, then is warming up at 130 DEG C and reacts 30min, is obtained
Surface-treated long glass fibres；
（3）Polyolefin, maleic anhydride modified dose are mixed with styrene, mixed under the revolving speed of high mixer 850r/min
3min is added benzoyl peroxide, mixes 5min under the revolving speed of high mixer 2000r/min, add thermoplastic polyolefin bullet
Property body, antioxidant 1010 and triphenyl phosphite, continues to mix 3min, obtain polyolefin mixing；
（4）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 50:1,
170 DEG C of its feeding section temperature；200 DEG C of melt zone temperature, 260 DEG C of homogenizing zone temperature, 200 DEG C of die head temperature, screw speed is
Step is added in the homogenizing zone of extruder in 150r/m（2）The surface-treated long glass fibres, melting extrusion,
Up to high tenacity, high-intensitive polyolefin pipe.
Comparative example 1
（1）Weigh raw material：Polyethylene 90kg, maleic anhydride modified dose of 1.8 kg, styrene 1.8kg, benzoyl peroxide
0.02kg, thermoplastic polyolefin elastomer 6kg, antioxidant 1010 0.25kg and triphenyl phosphite 0.25kg；
（2）Polyethylene, maleic anhydride modified dose are mixed with styrene, mixed under the revolving speed of high mixer 800r/min
3min is added benzoyl peroxide, mixes 3min under the revolving speed of high mixer 2000r/min, add thermoplastic polyolefin bullet
Property body, antioxidant 1010 and triphenyl phosphite, continues to mix 3min, obtain polyolefin mixing；
（3）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 50:1,
170 DEG C of its feeding section temperature；200 DEG C of melt zone temperature；240 DEG C of homogenizing zone temperature；200 DEG C of die head temperature；Screw speed is
100r/m；Up to polyolefin pipe.
Comparative example 2
Weigh raw material：Polyethylene 86kg, maleic anhydride modified dose of 1.7 kg, styrene 1.7kg, benzoyl peroxide
0.02kg, thermoplastic polyolefin elastomer 10kg, antioxidant 1010 0.25kg and triphenyl phosphite 0.25kg；Other works
Skill step is the same as comparative example 1.
Comparative example 3
Weigh raw material：Polyethylene 82kg, maleic anhydride modified dose of 1.6kg, styrene 1.6kg, benzoyl peroxide
0.02kg, thermoplastic polyolefin elastomer 14kg, antioxidant 1010 0.25kg and triphenyl phosphite 0.25kg；Other works
Skill step is the same as comparative example 1.
Comparative example 4
（1）Weigh raw material：Polyethylene 88kg, maleic anhydride modified dose of 1.7 kg, styrene 1.7kg, benzoyl peroxide first
Acyl 0.02kg, long glass fibres 8kg, Silane coupling agent KH550 2kg, antioxidant 1010 0.25kg and triphenyl phosphite
0.25kg；
（2）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 1.5%, is impregnated
10min；30min is dried at being 80 DEG C in temperature by the long glass fibres after immersion, then is warming up at 130 DEG C and reacts 30min, is obtained
Surface-treated long glass fibres；
（3）Polyethylene, maleic anhydride modified dose are mixed with styrene, mixed under the revolving speed of high mixer 800r/min
3min is added benzoyl peroxide, mixes 3min under the revolving speed of high mixer 2000r/min, adds antioxidant 1010 and Asia
Triphenyl phosphate continuess to mix 3min, obtains polyolefin mixing；
（4）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 50:1,
170 DEG C of its feeding section temperature；200 DEG C of melt zone temperature, 240 DEG C of homogenizing zone temperature, 200 DEG C of die head temperature, screw speed is
Step is added in the homogenizing zone of extruder in 100r/m（2）The surface-treated long glass fibres, melting extrusion,
Up to polyolefin pipe.
Comparative example 5
Raw material is weighed by the component of following weight part ratio：Polyethylene 88kg, maleic anhydride modified dose of 1.7 kg, styrene
1.7kg, benzoyl peroxide 0.02kg, long glass fibres 12kg, Silane coupling agent KH550 1.2kg, antioxidant 1010
0.25kg and triphenyl phosphite 0.25kg；Other processing steps are the same as comparative example 4.
Comparative example 6
（1）Raw material is weighed by the component of following weight part ratio：Polyethylene 95kg, maleic anhydride modified dose of 1.9 kg, benzene second
Alkene 1.9kg, benzoyl peroxide 0.02kg, antioxidant 1010 0.25kg and triphenyl phosphite 0.25kg；
（2）Polyethylene, maleic anhydride modified dose are mixed with styrene, mixed under the revolving speed of high mixer 800r/min
3min is added benzoyl peroxide, mixes 3min under the revolving speed of high mixer 2000r/min, obtain polyolefin mixing；
（3）Polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of single screw extrusion machine is 50:1,
170 DEG C of its feeding section temperature；200 DEG C of melt zone temperature；240 DEG C of homogenizing zone temperature；200 DEG C of die head temperature；Screw speed is
100r/m；Up to polyolefin pipe.
Embodiment 7
The performance for detecting the embodiment of the present invention and comparative example product, is examined by taking embodiment 1-5 and comparative example 1-6 as an example
It surveys, detection method is：
（1）Melt index：The measurement GB/ of thermoplastic melt mass flow rate and melt volume-flow rate
T3682-2000；
（2）Tensile strength：Supplement examination criteria or detection method；GB/T 1447-2005 fibre reinforced plastics draftability
It can test method；
（3）Elongation at break：GB/T 1447-2005 fibre reinforced plastics Erichsen test method；
（4）Impact strength：The measurement GB/T1843-2008 of plastics cantilever beam impact strength；
（5）Longitudinal contraction rate：The measurement of GBT6671-2001 thermoplastic plastic pipe longitudinal welds.
Its testing result is shown in Table 1.
1 present invention of table and comparative example performance test results
The pipeline provided by the invention that prepare under same technique that is formulated is more excellent compared with the intensity of comparative example and toughness,
And the present invention has synchronously completed material preparation and pipeline molding, has not only saved cost of material, but also saved time cost, produces
Efficiency is substantially better than the prior art, and the comprehensive performances such as the pipeline strength of technique preparation through the invention and toughness are more preferable,
Each manufacturer will certainly be become and build the first choice of businessman, had broad application prospects.
Claims (5)
1. a kind of high tenacity, high-intensitive polyolefin pipe, which is characterized in that mainly by the component preparation of following weight part ratio and
At：60-90 parts of polyethylene, 1.5-3 parts of modifying agent, altogether modifying agent 1.5-3 parts, 0.01-0.05 parts of peroxide initiator,
5-15 parts of thermoplastic polyolefin elastomer, 5-15 parts of long glass fibres, 0.05-0.5 parts of surface coupling agent, compound stabilizer
0.5-1 parts；
The modifying agent is acid anhydrides or epoxy-modified dose；
The modifying agent altogether is styrene；
The peroxide initiator is benzoyl peroxide；
The surface coupling agent is Silane coupling agent KH550；
The compound stabilizer is antioxidant 1010 and triphenyl phosphite is 1 in mass ratio:The mixture of 1 composition；
Preparation method includes the following steps：
（a）Raw material is weighed by the component of the above weight part ratio；
（b）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 1-2%, impregnates 8-
12min；30min is dried at being 75-90 DEG C in temperature by the long glass fibres after immersion, then is warming up at 120-140 DEG C and reacts
30min obtains surface-treated long glass fibres；
（c）Polyethylene, acid anhydrides or epoxy-modified dose are mixed with styrene, mixed under the revolving speed of high mixer 750-850r/min
3-5min is closed, benzoyl peroxide is added, mixes 3-5min under the revolving speed of high mixer 2000-2500r/min, adds thermoplastic
Property polyolefin elastomer and compound stabilizer, continues to mix 2-4min, obtain polyolefin mixing；
（d）The polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of the single screw extrusion machine is
40-50:1,160-180 DEG C of feeding section temperature；180-240 DEG C of melt zone temperature, 200-260 DEG C of homogenizing zone temperature, die head temperature
170-220 DEG C of degree, step is added in the homogenizing zone of extruder in screw speed 50-150r/m（b）It is described surface-treated
Long glass fibres, melting extrusion is to get high tenacity, high-intensitive polyolefin pipe.
2. high tenacity according to claim 1, high-intensitive polyolefin pipe, which is characterized in that the acid anhydrides or epoxy
Base modifying agent is any one in maleic anhydride, glycidyl methacrylate or epoxidized soybean oil.
3. high tenacity according to claim 1 or 2, high-intensitive polyolefin pipe, which is characterized in that the long glass fibers
The length of dimension is 3-6mm.
4. the preparation method of a kind of high tenacity, high-intensitive polyolefin pipe, which is characterized in that include the following steps：
（a）Raw material is weighed by the component of following weight part ratio：60-90 parts of polyethylene, acid anhydrides or epoxy-modified dose of 1.5-3
Part, 1.5-3 parts of styrene, 0.01-0.05 parts of benzoyl peroxide, 5-15 parts of thermoplastic polyolefin elastomer, long glass fibers
Tie up 5-15 parts, 0.05-0.5 parts of Silane coupling agent KH550,0.5-1 parts of compound stabilizer；The compound stabilizer is antioxygen
Agent 1010 and triphenyl phosphite are 1 in mass ratio:The mixture of 1 composition；
（b）Long glass fibres is immersed in the aqueous solution for the Silane coupling agent KH550 that mass concentration ratio is 1-2%, impregnates 8-
12min；30min is dried at being 75-90 DEG C in temperature by the long glass fibres after immersion, then is warming up at 120-140 DEG C and reacts
30min obtains surface-treated long glass fibres；
（c）Polyethylene, acid anhydrides or epoxy-modified dose are mixed with styrene, mixed under the revolving speed of high mixer 750-850r/min
3-5min is closed, benzoyl peroxide is added, mixes 3-5min under the revolving speed of high mixer 2000-2500r/min, adds thermoplastic
Property polyolefin elastomer and compound stabilizer, continues to mix 2-4min, obtain polyolefin mixing；
（d）The polyolefin mixing is added in the hopper of single screw extrusion machine, the draw ratio of the single screw extrusion machine is
40-50:1,160-180 DEG C of feeding section temperature；180-240 DEG C of melt zone temperature, 200-260 DEG C of homogenizing zone temperature, die head temperature
170-220 DEG C of degree, is added the surface-treated long glass fibres, melting extrusion is to get height in the homogenizing zone of extruder
Toughness, high-intensitive polyolefin pipe.
5. the preparation method of high tenacity according to claim 4, high-intensitive polyolefin pipe, which is characterized in that step
（a）The acid anhydrides or epoxy-modified dose are any in maleic anhydride, glycidyl methacrylate or epoxidized soybean oil
It is a kind of.
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| CN107538705A (en) * | 2017-08-04 | 2018-01-05 | 安徽博泰塑业科技有限公司 | Polyethylene particle and synthetic fibers composite pipe expressing technique |
| CN113980412A (en) * | 2021-12-03 | 2022-01-28 | 江林（贵州）高科发展股份有限公司 | Special high-impact-resistance high-strength material for pipeline and preparation method thereof |
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| CN116006789A (en) * | 2023-01-09 | 2023-04-25 | 康命源（贵州）科技发展有限公司 | High-strength and high-toughness polyolefin pipe and preparation method thereof |
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| CN104448488A (en) * | 2014-12-01 | 2015-03-25 | 吉林省松花湖管业有限公司 | Fiber reinforced polyethylene pipeline material |
| CN105482228A (en) * | 2016-01-05 | 2016-04-13 | 广州枫叶管业有限公司 | Polyethylene nano-modified composite and preparing method and application thereof |
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| CN104448488A (en) * | 2014-12-01 | 2015-03-25 | 吉林省松花湖管业有限公司 | Fiber reinforced polyethylene pipeline material |
| CN105482228A (en) * | 2016-01-05 | 2016-04-13 | 广州枫叶管业有限公司 | Polyethylene nano-modified composite and preparing method and application thereof |
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Effective date of registration: 20230922 Address after: Room 3201, Unit 4, Building 6, Lijingyuan, No. 171 Tanan Road, Yuhua District, Shijiazhuang City, Hebei Province, 050000 Patentee after: Hou Lianlong Address before: 907, 9th Floor, Building F, Rundu Shenghe Plaza, No. 88 Qilian Street, High tech Zone, Shijiazhuang City, Hebei Province, 050000 Patentee before: HEBEI HUIRUI PIPE INDUSTRY CO.,LTD. |