CN104558770A - Ultrahigh-molecular weight polyethylene composite material and preparation method thereof - Google Patents
Ultrahigh-molecular weight polyethylene composite material and preparation method thereof Download PDFInfo
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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
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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
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
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- C08L2205/00—Polymer mixtures characterised by other features
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Abstract
The invention discloses an ultrahigh-molecular weight polyethylene composite material and a preparation method thereof. The ultrahigh-molecular weight polyethylene composite material comprises the following component in parts by weight: 100 parts of ultrahigh-molecular weight polyethylene, 0.1-10 parts of a lubricating agent, 10-60 parts of a filling material, 5-40 parts of reinforcing fiber and 0.1-10 parts of nanometer inorganic filler. The ultrahigh-molecular weight polyethylene composite material overcomes the difficulty that the ultrahigh-molecular weight polyethylene is very high in melt viscosity and is difficult to prepare; the ultrahigh-molecular weight polyethylene composite material can be prepared into different products through extrusion moulding of an extruder; the modified ultrahigh-molecular weight polyethylene composite material not only has high strength, impact resistance, wear resistance, high rigidity, high surface hardness, chemical corrosion resistance and other performance, but also has good self lubrication and dimensional stability.
Description
Technical field
The present invention relates to polymeric material field, relate generally to a kind of ultra-high molecular weight polyethylene composite material and preparation method thereof.
Background technology
Ultrahigh molecular weight polyethylene(UHMWPE) (UHMWPE) is the polyethylene (PE) that viscosity-average molecular weight is greater than 1,500,000, it is a kind of self-lubricating macromolecular material, it is with high physical strength and shock resistance, low frictional coefficient and good wear resistance and famous, its high molecular weight, the segmented structure be highly wound around give the performances such as the mechanical property of its excellence, shock-resistant, wear-resistant, self lubricity, resistance to chemical attack.And UHMWPE resistance to low temperature is excellent, still has higher shock strength, even can use at-269 DEG C-40 DEG C time.But existing polyvinyl resin with super-high molecular weight also exists the defect such as heat-drawn wire low (heat-drawn wire is 80 DEG C), formability is poor, surface hardness is low, poor rigidity.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of ultra-high molecular weight polyethylene composite material and preparation method thereof, described ultra-high molecular weight polyethylene composite material passes through in ultrahigh molecular weight polyethylene(UHMWPE), add nano sized inorganic fillers, lubricant carries out modification, solve ultrahigh molecular weight polyethylene(UHMWPE) melt viscosity high, a difficult problem for processing difficulties, and substantially increase the rigidity of ultra-high molecular weight polyethylene composite material, aim to provide a kind of super abrasive, rigidity is strong, by the ultra-high molecular weight polyethylene composite material of extrusion moulding.
Technical scheme of the present invention is as follows:
A kind of ultra-high molecular weight polyethylene composite material, wherein, its raw material forms, and according to the mass fraction, comprises following component:
Ultrahigh molecular weight polyethylene(UHMWPE) 100 parts;
Lubricant 0.1 ~ 10 part;
Stopping composition 10 ~ 60 parts;
Reinforcing fiber 5 ~ 40 parts;
Nanometer inorganic filler 0.1 ~ 10 part.
Described ultra-high molecular weight polyethylene composite material, wherein, described ultrahigh molecular weight polyethylene(UHMWPE) is molecular-weight average is 1,500,000 ~ 8,000,000.
Described ultra-high molecular weight polyethylene composite material, wherein, described lubricant is one or more in polyethylene wax, paraffin, stearic acid, calcium stearate, barium stearate, Zinic stearas; Described stopping composition is one or more in glass microballon, ceramic fine bead, aluminum oxide, silicon carbide, norbide; Described reinforcing fiber is one or more in superhigh molecular weight polyethylene fibers, polyster fibre, basalt fibre, carbon fiber, glass fibre; Described nanometer inorganic filler is one or more in nano silicon, nano aluminium oxide, nanomete talc powder, nano-calcium carbonate, nano imvite.
Described ultra-high molecular weight polyethylene composite material, wherein, described stopping composition and reinforcing fiber are through coupling agent activation treatment.
Described ultra-high molecular weight polyethylene composite material, wherein, the process of described coupling agent activation treatment is the coupling agent of the total mass 0.5-3.5% getting stopping composition or reinforcing fiber, carries out dilution KH550 with dehydrated alcohol according to the volume ratio of 8-12:1; Add homogenizer inner edge to stir stopping composition or reinforcing fiber limit and add coupling agent/dehydrated alcohol mixing solutions, after solution is all poured into, continue stirred for several minute, then the baking oven putting into design temperature 80 ± 10 DEG C is dry, porphyrize after taking out, for subsequent use;
Described coupling agent is one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent.
Described ultra-high molecular weight polyethylene composite material, wherein, described coupling agent is silane coupling agent.
A preparation method for ultra-high molecular weight polyethylene composite material as above, wherein, comprises the following steps:
Be equipped with ultrahigh molecular weight polyethylene(UHMWPE) and lubricant in proportion, high-speed stirring to 40 ~ 60 DEG C or 8 ~ 15 minutes; Add nanometer inorganic filler again and by stopping composition, the reinforcing fiber of coupling agent activation treatment, high-speed stirring 3 ~ 5 minutes;
Pass through extruder for shaping.
The preparation method of described ultra-high molecular weight polyethylene composite material, wherein, described extrusion adopts singe screw or twin screw extruder, and the temperature of forcing machine is followed successively by 125 ± 5 DEG C from transportation section to head die, 160 ± 5 DEG C, 250 ~ 290 DEG C, 230 ~ 265 DEG C, 180 ~ 220 DEG C, 190 ~ 235 DEG C, 195 ~ 240 DEG C, 200 ~ 250 DEG C, 190 ~ 235 DEG C.
The preparation method of described ultra-high molecular weight polyethylene composite material, wherein, the process of described coupling agent activation treatment is the coupling agent of the total mass 0.5-3.5% getting stopping composition or reinforcing fiber, carries out dilution coupling agent with dehydrated alcohol according to the volume ratio of 8-12:1; Add homogenizer inner edge to stir stopping composition or reinforcing fiber limit and add coupling agent/dehydrated alcohol mixing solutions, after solution is all poured into, continue stirred for several minute, then the baking oven putting into design temperature 80 ± 10 DEG C is dry, porphyrize after taking out, for subsequent use;
Described coupling agent is one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent.
The preparation method of described ultra-high molecular weight polyethylene composite material, wherein, described coupling agent is silane coupling agent.
Beneficial effect: ultra-high molecular weight polyethylene composite material provided by the present invention is the ultrahigh molecular weight polyethylene(UHMWPE) adopting molecular weight more than 1,500,000, and add nano sized inorganic fillers, lubricant carries out modification, solve described ultrahigh molecular weight polyethylene(UHMWPE) melt viscosity high, a difficult problem for processing difficulties, can extruder for shaping be passed through, prepare different products.Ultrahigh molecular weight polyethylene(UHMWPE) has the performance such as shock-resistant, wear-resistant, self lubricity, resistance to chemical attack of the unrivaled excellence of other plastics because molecular weight is high, wear resistance is 7 ~ 10 times of carbon steel, stainless 4 times, be the most wear-resisting in known plastic materials, but also the wearing and tearing to mill material can be prevented.Ultra-high molecular weight polyethylene composite material through modification also has the advantage that rigidity is strong, surface hardness is high, and heat-drawn wire brings up to about 100 DEG C, the stability of ultra-high molecular weight polyethylene composite material of the present invention is improved, use range is more extensive, may be used for producing the products such as gear, transport pipeline, carrying roller, joint prosthesis.
Embodiment
The invention provides a kind of ultra-high molecular weight polyethylene composite material and preparation method thereof, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
A kind of ultra-high molecular weight polyethylene composite material provided by the present invention, its raw material forms, and according to the mass fraction, comprises following component:
1, ultrahigh molecular weight polyethylene(UHMWPE) 100 parts;
2, lubricant 0.1 ~ 10 part;
3, stopping composition 10 ~ 60 parts;
4, reinforcing fiber 5 ~ 40 parts;
5, nanometer inorganic filler 1 ~ 20 part.
Described ultrahigh molecular weight polyethylene(UHMWPE) to be molecular-weight average be 1,500,000 ~ 8,000,000 ultrahigh molecular weight polyethylene(UHMWPE).In the present invention by adding nano sized inorganic fillers, lubricant carries out modification to described ultrahigh molecular weight polyethylene(UHMWPE), solve described ultrahigh molecular weight polyethylene(UHMWPE) melt viscosity high, a difficult problem for processing difficulties, can extruder for shaping be passed through.
Described lubricant can choose in polyethylene wax, paraffin, stearic acid, calcium stearate, barium stearate, Zinic stearas one or more.Lubricant is fully adsorbed on ultrahigh molecular weight polyethylene powder surface, plays a part to reduce force of cohesion between polymer molecule, thus improve the internal friction heat-dissipating of ultrahigh molecular weight polyethylene(UHMWPE) melt and the mobility of melt at polymeric inner.
Described stopping composition can choose in glass microballon, ceramic fine bead, aluminum oxide, silicon carbide, norbide one or more.Stopping composition can improve described overall performance of taking turns tooth bar, and surface hardness, rigidity, creep properties, flexural strength, heat-drawn wire can be made to be improved preferably; There is certain strengthening action, increase described intensity and wear resistance of taking turns tooth bar.Described stopping composition before being taken into use can through coupling agent activation treatment, due to the existence of coupling agent polar group, Van der Waals force between stopping composition and ultrahigh molecular weight polyethylene(UHMWPE) molecular chain changes look dispersion force into by simple look dispersion force and adds inductive capacity, add the entanglement effect of coupling agent molecule and ultrahigh molecular weight polyethylene(UHMWPE) chain, such stopping composition serves the effect of physical crosslinking point in ultrahigh molecular weight polyethylene(UHMWPE) matrix, and has incorporated the molecular entanglement network of ultrahigh molecular weight polyethylene(UHMWPE).
Described coupling agent can be one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent, preferably selects silane coupling agent (KH550).The process of described coupling agent activation treatment, for getting stopping composition total mass 0.5-3.5% coupling agent, carries out dilution coupling agent with dehydrated alcohol 8-12:1 (volume ratio).The stopping composition weighed up is put into homogenizer stir, add coupling agent/dehydrated alcohol mixing solutions while stirring, stirring is continued 5 minutes after solution is all poured into, discharge stopping composition, put into dry 5 hours of the baking oven of design temperature 80 ± 10 DEG C again, after taking out, porphyrize is placed in encloses container for subsequent use.
Described reinforcing fiber is one or more in superhigh molecular weight polyethylene fibers, polyster fibre, basalt fibre, carbon fiber, glass fibre.Reinforcing fiber permeates equably in ultrahigh molecular weight polyethylene(UHMWPE) matrix, they are wound around mutually, define a kind of fiber reinforcement, it can limit anisotropic shrinkage, remarkable reduction warpage, improve the dimensional stability of ultra-high molecular weight polyethylene composite material, its reinforced effects improves bending elastic modulus, flexural strength, tensile strength, the shock strength of ultra-high molecular weight polyethylene composite material.
Described reinforcing fiber also will pass through coupling agent (KH550) activation treatment, and treating processes is get the coupling agent of total fiber mass 0.5-3.5%, carries out dilution coupling agent with dehydrated alcohol 8-12:1 (volume ratio).The stopping composition weighed up is put into homogenizer stir, add coupling agent/dehydrated alcohol mixing solutions while stirring, stirring is continued 5 minutes after solution is all poured into, discharge stopping composition, put into dry 5 hours of the baking oven of design temperature 80 ± 10 DEG C again, after taking out, porphyrize is placed in encloses container for subsequent use.Described coupling agent can be one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent, preferably selects silane coupling agent.
Described nanometer inorganic filler can choose in silicon-dioxide, nano aluminium oxide, nanomete talc powder, nano-calcium carbonate, nano imvite one or more.Due to its nanometer size effect of nanometer inorganic filler, large specific surface area and strong interfacial interaction, the interfacial tension between inorganic fillings and ultrahigh molecular weight polyethylene(UHMWPE) matrix can be eliminated, the bonding interface of realizing ideal, eliminate inorganic fillings and the unmatched problem of ultrahigh molecular weight polyethylene(UHMWPE) matrix two material thermal expansivity, therefore the excellent mechanical performance of inorganic fillings can be given full play to, can by the rigidity of inorganic fillings, dimensional stability and thermostability and ultrahigh molecular weight polyethylene(UHMWPE) shock-resistant, wear-resistant, self lubricity, the performance perfect adaptations such as resistance to chemical attack, give ultra-high molecular weight polyethylene composite material more high strength, modulus, wear-resisting, impact strength performance, and have toughening effect.
In the present invention program, also provide the preparation method of described ultra-high molecular weight polyethylene composite material:
A, ultrahigh molecular weight polyethylene(UHMWPE) and lubricant drop into high speed mixer high speed in proportion and are stirred to 40 ~ 60 DEG C or 8 ~ 15 minutes, allow lubricant fully be adsorbed on ultrahigh molecular weight polyethylene powder surface; Add by stopping composition, reinforcing fiber, the nanometer inorganic filler of coupling agent activation treatment again, high-speed stirring after 3 ~ 5 minutes discharging for subsequent use.
B, pass through extruder for shaping: singe screw or twin screw extruder can be adopted, the temperature of forcing machine is followed successively by 125 ± 5 DEG C from transportation section to head die, 160 ± 5 DEG C, 250 ~ 290 DEG C, 230 ~ 265 DEG C, 180 ~ 220 DEG C, 190 ~ 235 DEG C, 195 ~ 240 DEG C, 200 ~ 250 DEG C, 190 ~ 235 DEG C.
The described ultra-high molecular weight polyethylene composite material that the present invention prepares, heat-drawn wire brings up to about 100 DEG C.When described ultra-high molecular weight polyethylene composite material, can directly by forcing machine direct extrusion molding generate product, also after preparing through 90 DEG C ~ 140 DEG C preheatings, compression moulding.
The present invention will be further described by the following examples.
Embodiment 1
Stopping composition and reinforcing fiber have all carried out coupling agent activation treatment:
Get the 1%KH550 of stopping composition or reinforcing fiber total mass, carry out dilution KH550 with dehydrated alcohol 10:1 (volume ratio).The stopping composition weighed up or reinforcing fiber are put into homogenizer stir, add KH550/ dehydrated alcohol mixing solutions while stirring, stirring is continued 5 minutes after solution is all poured into, discharge stopping composition or reinforcing fiber, put into dry 5 hours of the baking oven of design temperature 80 DEG C again, after taking out, porphyrize is placed in encloses container for subsequent use.
Get 100 portions of ultrahigh molecular weight polyethylene(UHMWPE)s and lubricant stearic acid 1 part, calcium stearate 1.5 parts to drop into high speed mixer high speed and be stirred to 40 DEG C, allow lubricant fully be adsorbed on ultrahigh molecular weight polyethylene powder surface; Add by glass microballon 20 parts, the basalt fibre 15 parts of KH550 coupling agent activation treatment again, nano silicon 6 parts, high-speed stirring after 3 minutes discharging for subsequent use.
The temperature of single screw extrusion machine is followed successively by 125 DEG C from transportation section to head die, 160 DEG C, 265 DEG C, 240 DEG C, 190 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, 200 DEG C; The AT20 being extruded flat by forcing machine head mould takes turns tooth bar.
Be put in gear core by the wheel tooth bar of flat, inserting Heating temperature is under the environment of 100 DEG C, makes its softening docile in gear core surface, obtains the arc wheel tooth bar coincide with gear core surface radian after taking out cooling; By the wheel tooth bar of arc around being arranged in gear core, and by screw, the two ends of wheel tooth bar are fixed in gear core, obtained AT20 synchronizing belt gear.
Through detecting, AT20 synchronizing belt gear can reach Rockwell 40 to surface hardness, has good dimensional stability, shock-resistance simultaneously, the features such as wear resisting property is good, corrosion-resistant, and smooth surface, noise are low.
Embodiment 2
Get the 2%KH550 of stopping composition or reinforcing fiber total mass, carry out dilution KH550 with dehydrated alcohol 10:1 (volume ratio).The stopping composition weighed up or reinforcing fiber are put into homogenizer stir, add KH550/ dehydrated alcohol mixing solutions while stirring, stirring is continued 5 minutes after solution is all poured into, discharge stopping composition or reinforcing fiber, put into dry 5 hours of the baking oven of design temperature 80 DEG C again, after taking out, porphyrize is placed in encloses container for subsequent use.
Get 100 portions of ultrahigh molecular weight polyethylene(UHMWPE)s and lubricant stearic acid 3 parts, calcium stearate 3 parts to drop into high speed mixer high speed and be stirred to 60 DEG C, allow lubricant fully be adsorbed on ultrahigh molecular weight polyethylene powder surface; Add by glass microballon 30 parts, the basalt fibre 10 parts of KH550 coupling agent activation treatment again, nano aluminium oxide 10 parts, high-speed stirring after 5 minutes discharging for subsequent use.
The temperature of twin screw extruder is followed successively by 125 DEG C from transportation section to head die, 160 DEG C, 265 DEG C, 240 DEG C, 190 DEG C, 195 DEG C, 200 DEG C, 205 DEG C, 200 DEG C; The S14M being extruded flat by forcing machine head mould takes turns tooth bar.
Be put in gear core by the wheel tooth bar of flat, inserting Heating temperature is under the environment of 110 DEG C, makes its softening docile in gear core surface, obtains the arc wheel tooth bar coincide with gear core surface radian after taking out cooling;
By the wheel tooth bar of arc around being arranged in gear core, and by screw, the two ends of wheel tooth bar being fixed in gear core, preparing S14M synchronizing belt gear.
Through detecting, S14M synchronizing belt gear can reach Rockwell 45 to surface hardness, has good dimensional stability, shock-resistance simultaneously, the features such as wear resisting property is good, corrosion-resistant, and smooth surface, noise are low.
Embodiment 3
Get 3% titanate coupling agent of stopping composition or reinforcing fiber total mass, carry out dilution titanate coupling agent with dehydrated alcohol 10:1 (volume ratio).The stopping composition weighed up or reinforcing fiber are put into homogenizer stir, add titanate coupling agent/dehydrated alcohol mixing solutions while stirring, stirring is continued 5 minutes after solution is all poured into, discharge stopping composition or reinforcing fiber, put into dry 5 hours of the baking oven of design temperature 80 DEG C again, after taking out, porphyrize is placed in encloses container for subsequent use.
Get 100 portions of ultrahigh molecular weight polyethylene(UHMWPE)s and 4 parts, lubricant polyethylene wax, Zinic stearas 2 parts to drop into high speed mixer high speed and be stirred to 60 DEG C, allow lubricant fully be adsorbed on ultrahigh molecular weight polyethylene powder surface; Add by 25 parts, silicon carbide, 30 parts, the carbon fiber of coupling agent activation treatment again, nanomete talc powder 10 parts, high-speed stirring after 5 minutes discharging for subsequent use.
The temperature of singe screw or twin screw extruder is followed successively by 125 DEG C from transportation section to head die, 160 DEG C, 280 DEG C, 260 DEG C, 200 DEG C, 220 DEG C, 225 DEG C, 230 DEG C, 225 DEG C; The T10 being extruded flat by forcing machine head mould takes turns tooth bar.
Be put in gear core by the wheel tooth bar of flat, inserting Heating temperature is under the environment of 120 DEG C, makes its softening docile in gear core surface, obtains the arc wheel tooth bar coincide with gear core surface radian after taking out cooling;
By the wheel tooth bar of arc around being arranged in gear core, and by screw, the two ends of wheel tooth bar being fixed in gear core, preparing T10 synchronizing belt gear.
Through detecting, T10 synchronizing belt gear can reach Rockwell 45 to surface hardness, has that frictional coefficient is low and stable, wear resisting property good, corrosion-resistant simultaneously, the features such as smooth surface, noise are low.
In sum, ultra-high molecular weight polyethylene composite material provided by the present invention, by adding nano sized inorganic fillers, lubricant carries out modification, solve described ultrahigh molecular weight polyethylene(UHMWPE) melt viscosity high, a difficult problem for processing difficulties, can extruder for shaping be passed through, prepare different products.The performances such as original shock-resistant, wear-resistant, self lubricity, resistance to chemical attack are not only possessed through the ultra-high molecular weight polyethylene composite material of modification, also there is the advantage that rigidity is strong, surface hardness is high, and heat-drawn wire brings up to about 100 DEG C, the stability of ultra-high molecular weight polyethylene composite material of the present invention is improved, use range is more extensive, may be used for producing the products such as gear, transport pipeline, carrying roller, joint prosthesis.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. a ultra-high molecular weight polyethylene composite material, is characterized in that, its raw material forms, and according to the mass fraction, comprises following component:
Ultrahigh molecular weight polyethylene(UHMWPE) 100 parts;
Lubricant 0.1 ~ 10 part;
Stopping composition 10 ~ 60 parts;
Reinforcing fiber 5 ~ 40 parts;
Nanometer inorganic filler 0.1 ~ 10 part.
2. superhigh molecular weight polyethylene material according to claim 1, is characterized in that, described ultrahigh molecular weight polyethylene(UHMWPE) is molecular-weight average is 1,500,000 ~ 8,000,000.
3. ultra-high molecular weight polyethylene composite material according to claim 1, is characterized in that, described lubricant is one or more in polyethylene wax, paraffin, stearic acid, calcium stearate, barium stearate, Zinic stearas; Described stopping composition is one or more in glass microballon, ceramic fine bead, aluminum oxide, silicon carbide, norbide; Described reinforcing fiber is one or more in superhigh molecular weight polyethylene fibers, polyster fibre, basalt fibre, carbon fiber, glass fibre; Described nanometer inorganic filler is one or more in nano silicon, nano aluminium oxide, nanomete talc powder, nano-calcium carbonate, nano imvite.
4. superhigh molecular weight polyethylene compound alkene material according to claim 1, it is characterized in that, described stopping composition and reinforcing fiber are through coupling agent activation treatment.
5. ultra-high molecular weight polyethylene composite material according to claim 4, it is characterized in that, the process of described coupling agent activation treatment is the coupling agent of the total mass 0.5-3.5% getting stopping composition or reinforcing fiber, carries out dilution coupling agent with dehydrated alcohol according to the volume ratio of 8-12:1; Stopping composition is stirred on limit or reinforcing fiber limit adds coupling agent/dehydrated alcohol mixing solutions, after solution is all poured into, continue stirred for several minute, then the baking oven putting into design temperature 80 ± 10 DEG C is dry, and porphyrize after taking out is for subsequent use;
Described coupling agent is one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent.
6. ultra-high molecular weight polyethylene composite material according to claim 5, is characterized in that, described coupling agent is silane coupling agent.
7. a preparation method for the ultra-high molecular weight polyethylene composite material as described in as arbitrary in claim 1-6, is characterized in that, comprise the following steps:
Obtain ultrahigh molecular weight polyethylene(UHMWPE) and lubricant in proportion, high-speed stirring to 40 ~ 60 DEG C or 8 ~ 15 minutes; Add nanometer inorganic filler again and by stopping composition, the reinforcing fiber of coupling agent activation treatment, high-speed stirring 3 ~ 5 minutes;
Pass through extruder for shaping.
8. the preparation method of ultra-high molecular weight polyethylene composite material according to claim 7, it is characterized in that, described extrusion adopts singe screw or twin screw extruder, and the temperature of forcing machine is followed successively by 125 ± 5 DEG C from transportation section to head die, 160 ± 5 DEG C, 250 ~ 290 DEG C, 230 ~ 265 DEG C, 180 ~ 220 DEG C, 190 ~ 235 DEG C, 195 ~ 240 DEG C, 200 ~ 250 DEG C, 190 ~ 235 DEG C.
9. the preparation method of ultra-high molecular weight polyethylene composite material according to claim 7, it is characterized in that, the process of described coupling agent activation treatment is the coupling agent of the total mass 0.5-3.5% getting stopping composition or reinforcing fiber, carries out dilution coupling agent with dehydrated alcohol according to the volume ratio of 8-12:1; Stopping composition is stirred on limit or reinforcing fiber limit adds coupling agent/dehydrated alcohol mixing solutions, after solution is all poured into, continue stirred for several minute, then the baking oven putting into design temperature 80 ± 10 DEG C is dry, and porphyrize after taking out is for subsequent use;
Described coupling agent is one or more in silane coupling agent, titanate coupling agent, aluminate coupling agent.
10. the preparation method of ultra-high molecular weight polyethylene composite material according to claim 9, is characterized in that, described coupling agent is silane coupling agent.
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