CN108570179A - A kind of plastic tube and its preparation process of fibre reinforced - Google Patents
A kind of plastic tube and its preparation process of fibre reinforced Download PDFInfo
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- CN108570179A CN108570179A CN201810415012.9A CN201810415012A CN108570179A CN 108570179 A CN108570179 A CN 108570179A CN 201810415012 A CN201810415012 A CN 201810415012A CN 108570179 A CN108570179 A CN 108570179A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
- C08J5/0405—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
- C08J5/042—Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with carbon fibres
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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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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2451/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2451/04—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to rubbers
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- C08J2455/00—Characterised by the use of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08J2423/00 - C08J2453/00
- C08J2455/02—Acrylonitrile-Butadiene-Styrene [ABS] polymers
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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Abstract
The present invention relates to a kind of plastic tube of fibre reinforced and its preparation processes, solve plastic conduit itself the toughness deficiency of the prior art and its change in toughness is notable by temperature change, not ageing-resistant technical problem.The present invention provides a kind of plastic tube of fibre reinforced, counts, is made of following raw materials in parts by weight：100~200 parts of polyvinyl resin, 4~12 parts of chopped carbon fiber, 8~50 parts of impact modifier, 0.1~12 part of ultrabranching polyamide, 4~20 parts of graphene, 4~15 parts of zinc oxide；Also provide its preparation process simultaneously.The present invention is widely used in plastic conduit field.
Description
Technical field
The present invention relates to plastic conduit fields, and in particular to a kind of plastic tube and its preparation process of fibre reinforced.
Background technology
The urban construction such as plastic pipe extensive use and fluid conveying, gas conveying, electric wire and cable jacket pipe, agricultural are raw
The important field for being related to national economy such as production, industrial development.With the development of industry, plastic tube has become industrial a kind of heavy
Component part is wanted, is used in water supply, draining, heat supply, agricultural irrigation, hydraulic engineering and various commercial plants.But due to it is long away from
From transport, the brittleness of plastics is again very big, and impact resistance is again poor, it is easy to cause its fracture and breakage, give the operation of industrial equipment
Many troubles are brought with repair.Plastics are because the physical properties such as intensity are told somebody what one's real intentions are in the prior art, prepared plastic conduit by
In its own toughness deficiency and by temperature change, its change in toughness is notable, the performances such as not ageing-resistant, seriously limits its application neck
Domain.At present while the toughness of Improvement plastic conduit, thermal stability is remarkably decreased, easy to aging, and the difficult processing of tubing
It spends bigger.Therefore, it is necessary to a kind of plastic pipes with excellent in performance index.
Invention content
The purpose of the present invention be exactly in order to overcome the above-mentioned deficiencies of the prior art, provide a kind of raw material composition advantages of simple,
It is formulated the plastic tube for the fibre reinforced that reasonable science, thermal stability be good, ageing-resistant, toughness significantly improves and its prepares work
Skill.
The technical proposal for solving the technical problem of the invention is：
A kind of plastic tube of fibre reinforced, counts, is made of following raw materials in parts by weight：Polyvinyl resin 100~
200 parts, 4~12 parts of chopped carbon fiber, 8~50 parts of impact modifier, 0.1~12 part of ultrabranching polyamide, graphene 4~20
Part, 4~15 parts of zinc oxide.
Preferably, it counts in parts by weight, raw material group becomes：120~180 parts of polyvinyl resin, chopped carbon fiber 5~10
Part, 10~40 parts of impact modifier, 0.2~8 part of ultrabranching polyamide, 6~10 parts of graphene, 6~10 parts of zinc oxide.
Preferably, it counts in parts by weight, raw material group becomes：150 parts of polyvinyl resin, 7 parts of chopped carbon fiber, anti-impact changes
25 parts of agent of property, 5 parts of ultrabranching polyamide, 8 parts of graphene, 8 parts of zinc oxide.
Preferably, the length of chopped carbon fiber is 2mm~6mm.
Preferably, impact modifier be MBS auxiliary agents (methyl methacrylate (M), butadiene (B) and styrene (S) three
Membered copolymer) or ABS auxiliary agents (acrylonitrile-butadiene-styrene copolymer).
The preparation process of the plastic tube of any of the above described one a kind of fibre reinforced, which is characterized in that including following step
Suddenly：
1) number weighs polyvinyl resin, chopped carbon fiber, impact modifier, ultrabranching polyamide, stone according to the required weight
Black alkene and zinc oxide；
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, control its temperature be 90 ±
After being stirred mixing under the conditions of 5 DEG C, mixture I is obtained；
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, controls after being stirred mixing under the conditions of its temperature is 75 ± 5 DEG C, obtain mixture
II；
4) mixture II in step 3) is squeezed out, after fusion plastification, obtains melted melt；
5) melted melt made from step 4) is moved rapidly into after shaping after cooling in the mold in vacuum shaping box, obtains carbon
Fibre-reinforced plastic tube.
Preferably, in step 2), condition is stirred and evenly mixed：Speed of agitator be 1500~1800r/min, mixing time 15~
20min。
Preferably, in step 3), condition is stirred and evenly mixed：Speed of agitator is 800~1000r/min, stirs 10~15min.
Preferably, cooling and shaping condition in step 5)：It is passed through 65~90 DEG C of cooling water into vacuum shaping box, and controls
Vacuum degree in vacuum shaping box is 0.01~0.03MPa, setting time 3h.
Preferably, fusion plastification is in step 4)：In 260 ± 5 DEG C of fusion plastification 2h.
Beneficial effects of the present invention：Inventive formulation is scientific and reasonable, synergistic, the modeling of the fibre reinforced significantly improved
The thermal stability of expects pipe and ageing-resistant performance.
(1) plastic tube of fibre reinforced provided by the invention has significant good toughness：Impact strength, bending strength,
Tensile strength is higher, deformation temperature：Thermal stability is good, significant ageing-resistant ability.Ultrabranching polyamide, graphene, anti-impact
Modifying agent three forms synergy, and ultrabranching polyamide is reticular structure with graphene, and graphene is uniform netted
Structure, the big reticular structure of ultrabranching polyamide, extensibility is strong and has a large amount of active site, the reticular structure with graphene
The composite mesh structure relatively neat and good ductility in conjunction with arrangement is formed.Impact modifier is multiple copolymer, can be further
Composite mesh structure is thickeied and reinforces and increases its flexibility, and fills up wherein certain gap, three's synergy can be apparent
Shorten fusion time, accelerate melting, promote plasticizing, its counter balance torque can be made to improve extruded product, keeps its plasticizing uniform；Carbon fiber
The addition of dimension can further improve melt extensibility, overcome melt fracture phenomena, be easy deep drawing molding, and keep product thickness equal
It is even；Polyvinyl resin and carbon fiber, impact modifier, ultrabranching polyamide, graphene, zinc oxide etc. mutually cooperate with increasing
Effect, can significantly improve the surface gloss of product, product is made to seem smooth exquisiteness, dramatically increase the toughness of plastic pipe and resistance to
Hot property also improves the ageing-resistant ability of plastic tube.
(2) ultrabranching polyamide being added, can make carbon fiber be uniformly dispersed, and enhance the antistatic energy of plastic tube
Power.
(3) inventive formulation is synergistic, in conjunction with the preparation process of the present invention, makes the plastics of the fibre reinforced of the present invention
The thermal stability of pipe significantly increases, is ageing-resistant, toughness significantly improves.
Specific implementation mode
The present invention is further explained in the light of specific embodiments, to help present disclosure is understood.The present invention
Used in method unless otherwise required, be conventional production method；Used raw material is unless otherwise required
Conventional commercial product.
Embodiment 1
A kind of plastic tube of fibre reinforced is prepared, is included the following steps：
1) number weighs 100 parts of polyvinyl resin according to the required weight, and length is 4 parts of 6mm chopped carbon fibers, impact modifier
8 parts of MBS auxiliary agents, 0.1 part of ultrabranching polyamide, 4 parts of graphene, 4 parts of zinc oxide；Impact modifier is that MBS auxiliary agents are methyl-prop
The terpolymer of e pioic acid methyl ester (M), butadiene (B) and styrene (S).
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, control its temperature be 90 ±
With speed of agitator it is 1500r/min under the conditions of 5 DEG C, after mixing time 15min is stirred mixing, obtains mixture I；
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, control under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 800r/min, stirring
After 10min is stirred mixing, mixture II is obtained；
4) mixture II in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt；
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box, is led into vacuum shaping box
Enter 65 DEG C of cooling water, and it is 0.01MPa to control the vacuum degree in vacuum shaping box, the cooling and shaping time is 3h, fixed after cooling
After type, the plastic tube of fibre reinforced is obtained；
6) under the action of dragger, the plastic tube of fibre reinforced made from step 5) is cut into required size.
Embodiment 2
A kind of plastic tube of fibre reinforced is prepared, is included the following steps：
1) number weighs 200 parts of polyvinyl resin according to the required weight, and length is 12 parts of 2mm chopped carbon fibers, impact-resistant modified
50 parts of agent ABS auxiliary agents, 12 parts of ultrabranching polyamide, 20 parts of graphene, 15 parts of zinc oxide；ABS auxiliary agents are acrylonitrile-styrene-
Butadiene copolymer.
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, control its temperature be 90 ±
With speed of agitator it is 1800r/min under the conditions of 5 DEG C, after mixing time 20min is stirred mixing, obtains mixture I；
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, controls under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 1000r/min, stir
It is after 15min is stirred mixing, to obtain mixture II to mix the time；
4) mixture II in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt；
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box after cooling and is shaped：To vacuum
90 DEG C of cooling water is passed through in shaping box, and it is 0.03MPa to control the vacuum degree in vacuum shaping box, after setting time is 3h,
Obtain the plastic tube of fibre reinforced；
6) under the action of dragger, the plastic tube of fibre reinforced made from step 5) is cut into required size.
Embodiment 3
A kind of plastic tube of fibre reinforced is prepared, is included the following steps：
1) number weighs 120 parts of polyvinyl resin according to the required weight, and length is 5 parts of 4mm chopped carbon fibers, impact modifier
10 parts of MBS auxiliary agents, 0.2 part of ultrabranching polyamide, 6 parts of graphene, 6 parts of zinc oxide；MBS auxiliary agents be methyl methacrylate (M),
The terpolymer of butadiene (B) and styrene (S).
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, control its temperature be 90 ±
With speed of agitator it is 1600r/min under the conditions of 5 DEG C, after mixing time 16min is stirred mixing, obtains mixture I；
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, control under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 900r/min, stirring
After time 12min is stirred mixing, mixture II is obtained；
4) mixture II in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt；
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box after cooling and is shaped：To vacuum
75 DEG C of cooling water is passed through in shaping box, and it is 0.02MPa to control the vacuum degree in vacuum shaping box, after setting time is 3h,
Obtain the plastic tube of fibre reinforced；
6) under the action of dragger, the plastic tube of fibre reinforced made from step 5) is cut into required size.
Embodiment 4
A kind of plastic tube of fibre reinforced is prepared, is included the following steps：
1) number weighs 180 parts of polyvinyl resin according to the required weight, and length is 10 parts of 5mm chopped carbon fibers, impact-resistant modified
40 parts of agent ABS auxiliary agents, 8 parts of ultrabranching polyamide, 10 parts of graphene, 10 parts of zinc oxide；ABS auxiliary agents are acrylonitrile-styrene-fourth
Diene copolymers.
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, control its temperature be 90 ±
With speed of agitator it is 1700r/min under the conditions of 5 DEG C, after mixing time 18min is stirred mixing, obtains mixture I；
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, control under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 850r/min, stirring
After time 13min is stirred mixing, mixture II is obtained；
4) mixture II in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt；
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box after cooling and is shaped：To vacuum
85 DEG C of cooling water is passed through in shaping box, and it is 0.01~0.030.02MPa to control the vacuum degree in vacuum shaping box, when sizing
Between after 3h, to obtain the plastic tube of fibre reinforced；
6) under the action of dragger, the obtained plastic tube for cutting fibre reinforced of step 5) is cut into required big
It is small.
Embodiment 5
A kind of plastic tube of fibre reinforced is prepared, is included the following steps：
1) number weighs 150 parts of polyvinyl resin according to the required weight, and length is 7 parts of 4mm chopped carbon fibers, impact modifier
25 parts of MBS auxiliary agents, 5 parts of ultrabranching polyamide, 8 parts of graphene, 8 parts of zinc oxide；Impact modifier MBS auxiliary agent is methacrylic acid
The terpolymer of methyl esters (M), butadiene (B) and styrene (S).
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, control its temperature be 90 ±
With speed of agitator it is 1750r/min under the conditions of 5 DEG C, after mixing time 18min is stirred mixing, obtains mixture I.
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, control under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 900r/min, stirring
After time 13min is stirred mixing, mixture II is obtained.
4) mixture II in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt.
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box after cooling and is shaped：To vacuum
75 DEG C of cooling water is passed through in shaping box, and it is 0.02MPa to control the vacuum degree in vacuum shaping box, after setting time is 3h,
Obtain the plastic tube of fibre reinforced.
6) under the action of dragger, the plastic tube of fibre reinforced made from step 5) is cut into required size.
Control group 1
1) number weighs 150 parts of polyvinyl resin according to the required weight, and length is 7 parts of 4mm chopped carbon fibers, impact modifier
25 parts of MBS auxiliary agents, 8 parts of graphene, 8 parts of zinc oxide；Impact modifier MBS auxiliary agent is methyl methacrylate (M), butadiene
(B) and the terpolymer of styrene (S).
2) graphene that step 1) weighs is put into mixing in blender, controlled under the conditions of its temperature is 90 ± 5 DEG C to stir
Mix rotating speed is 1750r/min, after mixing time 18min is stirred mixing, obtains mixture I.
3) by mixture I and step 1) weigh made from step 2) polyvinyl resin, chopped carbon fiber, impact modifier
With zinc oxide in stirrer for mixing is added, control under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 900r/min, stirring
After time 13min is stirred mixing, mixture II is obtained.
4) mixture II obtained in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt.
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box after cooling and is shaped：To vacuum
75 DEG C of cooling water is passed through in shaping box, and it is 0.02MPa to control the vacuum degree in vacuum shaping box, after setting time is 3h,
Obtain the plastic tube of fibre reinforced.
6) under the action of dragger, fibre-reinforced plastic tube made from step 5) is cut into required size.
Control group 2
1) number weighs 150 parts of polyvinyl resin according to the required weight, and length is 7 parts of 4mm chopped carbon fibers, impact modifier
25 parts of MBS auxiliary agents, 5 parts of ultrabranching polyamide, 8 parts of zinc oxide；Impact modifier MBS auxiliary agent is methyl methacrylate (M), fourth
The terpolymer of diene (B) and styrene (S).
2) ultrabranching polyamide that step 1) weighs is put into mixing in blender, it is 90 ± 5 DEG C of conditions to control its temperature
Under with speed of agitator be 1750r/min, after mixing time 18min is stirred mixing, obtain mixture I.
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, control under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 900r/min, stirring
After time 13min is stirred mixing, mixture II is obtained.
4) mixture II in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt.
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box after cooling and is shaped：To vacuum
75 DEG C of cooling water is passed through in shaping box, and it is 0.02MPa to control the vacuum degree in vacuum shaping box, after setting time is 3h,
Obtain the plastic tube of fibre reinforced.
6) under the action of dragger, the plastic tube of fibre reinforced made from step 5) is cut into required size.
Control group 3
1) number weighs 150 parts of polyvinyl resin according to the required weight, and length is 7 parts of 4mm chopped carbon fibers, 8 parts of graphene,
5 parts of ultrabranching polyamide, 8 parts of zinc oxide.
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, control its temperature be 90 ±
With speed of agitator it is 1750r/min under the conditions of 5 DEG C, after mixing time 18min is stirred mixing, obtains mixture I.
3) polyvinyl resin, chopped carbon fiber, the impact modifier weighed mixture made from step 2) and step 1)
With zinc oxide in stirrer for mixing is added, control under the conditions of its temperature is 75 ± 5 DEG C with speed of agitator as 900r/min, stirring
After time 13min is stirred mixing, mixture II is obtained.
4) mixture II in step 3) is squeezed out, after 260 ± 5 DEG C of fusion plastification 2h, obtains melted melt.
5) melted melt made from step 4) is moved rapidly into the mold in vacuum shaping box after cooling and is shaped：To vacuum
75 DEG C of cooling water is passed through in shaping box, and it is 0.02MPa to control the vacuum degree in vacuum shaping box, after setting time is 3h,
Obtain the plastic tube of fibre reinforced.
6) under the action of dragger, the plastic tube of fibre reinforced made from step 5) is cut into required size.
The performance of the plastic tube of the fibre reinforced further illustrated the present invention below by laboratory report.
1. object and method
(1) tested material：By 1~embodiment of the embodiment of the present invention 5 the modeling of fibre reinforced produced to preparation method
Expects pipe is as laboratory sample；1~control group of control group 3 the plastic tube of fibre reinforced produced to preparation method as pair
According to product；The technological parameter of 1~control group of control group, 3 given preparation method is identical as the technological parameter of the preparation method of embodiment 5,
But formula material is different, compared with Example 5, without ultrabranching polyamide, the formula of control group 2 in the formula of control group 1
Middle no graphene, without impact modifier in the formula of control group 3.
(2) experimental method
According to GB/T 1451-2005《Fibre reinforced plastics freely-supported beam type impact ductility test method》、GB/T 1449-
2005《Fibre reinforced plastics bending property test method》、GB/T 1447-2005《Fibre reinforced plastics Erichsen test side
Method》With GB/T 1634-2004《Plastics bending load heat distortion temperature test method》, GB/T1415 falling weight impact tests (0 DEG C)
The test of impact strength, bending strength, tensile strength and deformation temperature is carried out to product.Ageing-resistant performance is tested：By plastic tube
Outside the outdoor holding chamber of material after 2 years, then detect its impact strength, bending strength, tensile strength and deformation temperature performance.
2. experimental project result
The physical property testing result of the plastic tube of fibre reinforced, is shown in Table 1.
The physical property testing result of the plastic tube of 1 fibre reinforced of table
The ageing-resistant performance testing result of the plastic tube of fibre reinforced, is shown in Table 2.
The ageing-resistant performance testing result of the plastic tube of 2 fibre reinforced of table
3. brief summary
By the physical property testing result of the plastic tube of 1 fibre reinforced of table, it is known that 1~embodiment of embodiment, 5 present invention
Fibre reinforced plastic tube, have superior mechanical performance, impact strength be 162~170KJ/m2, bending strength 182
~192MPa, tensile strength are 91~98MPa, deformation temperature performance：Heat distortion temperature is 260~269 DEG C, cold deformation temperature
It is -56~-51 DEG C；And pass through falling weight impact test at 0 DEG C.The technological parameter of 1~control group of control group, 3 given preparation method
It is identical as the technological parameter of the preparation method of embodiment 5, but formula material is different, compared with Example 5, control group 1
Without ultrabranching polyamide in formula, without graphene in the formula of control group 2, without impact modifier in the formula of control group 3, thirdly
Impact strength, bending strength, tensile strength and the deformation temperature performance of group significantly reduce compared with 1~embodiment of embodiment 5,
And it is by falling weight impact test at 0 DEG C.Fully prove that ultrabranching polyamide, graphene, anti-impact change in the formula of the present invention
Property agent three form synergy, ultrabranching polyamide and graphene are reticular structure, and graphene is uniform netted knot
Structure, the big reticular structure of ultrabranching polyamide, extensibility is strong and has a large amount of active site, the reticular structure knot with graphene
It closes and forms the relatively neat and good ductility composite mesh structure of arrangement.Impact modifier is multiple copolymer, can further by
Composite mesh structure, which thickeies, reinforces and increases its flexibility, and fills up wherein certain gap, and three's synergy can obviously contract
Short fusion time accelerates melting, promotes plasticizing, its counter balance torque can be made to improve extruded product, keeps its plasticizing uniform；Carbon fiber
Addition, can further improve melt extensibility, overcome melt fracture phenomena, be easy deep drawing molding, and keep product thickness uniform；
Synergy mutually occurs for polyvinyl resin and carbon fiber, impact modifier, ultrabranching polyamide, graphene, zinc oxide etc., can
The surface gloss for significantly improving product makes product seem smooth exquisiteness, dramatically increases the toughness and heat resistance of plastic pipe
Can, also improve the ageing-resistant ability of plastic tube.
By the ageing-resistant performance testing result of the plastic tube of 2 fibre reinforced of table, it is known that 1~embodiment of embodiment, 5 hairs
The plastic tube of bright fibre reinforced, by outside the outdoor holding chamber of plastic pipe after 2 years, then detect its impact strength, bending strength,
Tensile strength and deformation temperature performance absolutely prove it with superior ageing-resistant performance without trend is remarkably decreased；Control group 1
Impact strength, bending strength, tensile strength and the deformation temperature performance of~control group 3 significantly reduce, and further illustrate this hair
Synergy occurs in the composition of raw materials of the plastic tube of bright fibre reinforced, significantly improves its ageing-resistant ability.
The composition of raw materials of embodiment 5 is most scientific reasonable, and technological parameter is optimal, and the mechanical performance of tubing is optimal, and impact is strong
Degree reaches 170KJ/m2, bending strength reaches 192MPa, and tensile strength is to reach 98MPa, deformation temperature performance：Heat distortion temperature
To reach 269 DEG C, cold deformation temperature is to reach -51 DEG C.
Only as described above, only specific embodiments of the present invention, when the model that cannot be limited the present invention with this and implement
It encloses, all equivalent changes and modifications done according to scope of the present invention patent, should all belong to the covering scope of the present invention.
Claims (10)
1. a kind of plastic tube of fibre reinforced, which is characterized in that count, be made of following raw materials in parts by weight：Polyethylene
100~200 parts of resin, 4~12 parts of chopped carbon fiber, 8~50 parts of impact modifier, 0.1~12 part of ultrabranching polyamide, graphite
4~20 parts of alkene, 4~15 parts of zinc oxide.
2. a kind of plastic tube of fibre reinforced according to claim 1, which is characterized in that it counts in parts by weight, it is described
Raw material group becomes：120~180 parts of polyvinyl resin, 5~10 parts of chopped carbon fiber, 10~40 parts of impact modifier are hyperbranched
0.2~8 part of polyamide, 6~10 parts of graphene, 6~10 parts of zinc oxide.
3. a kind of plastic tube of fibre reinforced according to claim 2, which is characterized in that it counts in parts by weight, it is described
Raw material group becomes：150 parts of polyvinyl resin, 7 parts of chopped carbon fiber, 25 parts of impact modifier, 5 parts of ultrabranching polyamide, stone
8 parts of black alkene, 8 parts of zinc oxide.
4. a kind of plastic tube of fibre reinforced according to claim 1, which is characterized in that the length of the chopped carbon fiber
Degree is 2mm~6mm.
5. a kind of plastic tube of fibre reinforced according to claim 1, which is characterized in that the impact modifier is
The MBS auxiliary agents terpolymer of butadiene (B) and styrene (S) (methyl methacrylate (M)) or ABS auxiliary agent (propylene
Nitrile-styrene-butadiene copolymer).
6. a kind of preparation process of the plastic tube of fibre reinforced according to Claims 1 to 5 any one, feature exist
In including the following steps：
1) number weighs polyvinyl resin, chopped carbon fiber, impact modifier, ultrabranching polyamide, graphene according to the required weight
And zinc oxide；
2) graphene and ultrabranching polyamide that step 1) weighs are put into mixing in blender, it is 90 ± 5 DEG C to control its temperature
Under the conditions of be stirred mixing after, obtain mixture I；
3) polyvinyl resin, chopped carbon fiber, impact modifier and the oxygen weighed mixture made from step 2) and step 1)
Change zinc in stirrer for mixing is added, controls after being stirred mixing under the conditions of its temperature is 75 ± 5 DEG C, obtain mixture II；
4) mixture II in step 3) is squeezed out, after fusion plastification, obtains melted melt；
5) melted melt made from step 4) is moved rapidly into after shaping after cooling in the mold in vacuum shaping box, obtains carbon fiber
The plastic tube of enhancing.
7. a kind of preparation process of the plastic tube of fibre reinforced according to claim 6, which is characterized in that step 2)
In, it is described to stir and evenly mix condition：Speed of agitator is 1500~1800r/min, 15~20min of mixing time.
8. a kind of preparation process of the plastic tube of fibre reinforced according to claim 6, which is characterized in that step 3)
In, it is described to stir and evenly mix condition：Speed of agitator is 800~1000r/min, stirs 10~15min.
9. a kind of preparation process of the plastic tube of fibre reinforced according to claim 6, which is characterized in that in step 5)
The cooling and shaping condition：It is passed through 65~90 DEG C of cooling water into vacuum shaping box, and controls the vacuum in vacuum shaping box
Degree is 0.01~0.03MPa, setting time 3h.
10. a kind of preparation process of the plastic tube of fibre reinforced according to claim 5, which is characterized in that step 4)
Described in fusion plastification be：In 260 ± 5 DEG C of fusion plastification 2h.
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