CN106751777A - Based on enhanced high intensity PA6 composites of basalt fibre and preparation method thereof - Google Patents
Based on enhanced high intensity PA6 composites of basalt fibre and preparation method thereof Download PDFInfo
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- CN106751777A CN106751777A CN201611175019.5A CN201611175019A CN106751777A CN 106751777 A CN106751777 A CN 106751777A CN 201611175019 A CN201611175019 A CN 201611175019A CN 106751777 A CN106751777 A CN 106751777A
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- 229920002748 Basalt fiber Polymers 0.000 title claims abstract description 83
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000007822 coupling agent Substances 0.000 claims abstract description 29
- 239000012745 toughening agent Substances 0.000 claims abstract description 16
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 15
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- -1 amino silicane Chemical compound 0.000 claims description 15
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 7
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 229920006132 styrene block copolymer Polymers 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- 239000002131 composite material Substances 0.000 abstract description 31
- 239000004033 plastic Substances 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 229920002292 Nylon 6 Polymers 0.000 description 31
- 239000000835 fiber Substances 0.000 description 14
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001163600 Bathylaco nigricans Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 229920006243 acrylic copolymer Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 238000004500 asepsis Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- HEAMQYHBJQWOSS-UHFFFAOYSA-N ethene;oct-1-ene Chemical compound C=C.CCCCCCC=C HEAMQYHBJQWOSS-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000005213 imbibition Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid group Chemical group C(\C=C/C(=O)O)(=O)O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- 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
-
- 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
- B29C2948/9259—Angular velocity
-
- 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
-
- 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
- C08K2201/016—Additives defined by their aspect ratio
-
- 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
-
- 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
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The present invention relates to plastic material field, it is specifically related to a kind of based on enhanced high intensity PA6 composites of basalt fibre and preparation method thereof, based on the enhanced high intensity PA6 composites of basalt fibre, component including following parts by weight, 63 80 parts of PA6,12 35 parts of treated basalt fiber, 5 10 parts of toughener, 14 parts of hydrophobic material, 25 parts of compatilizer, 14 parts of antioxidant, 14 parts of coupling agent.It is composite properties stabilization of the invention, good mechanical property, long service life, applied widely.
Description
Technical field
The present invention relates to plastic material field, more particularly to based on the enhanced high intensity PA6 composite woods of basalt fibre
Material and preparation method thereof.
Background technology
PA6, i.e. polyamide -6, nylon 6, are by a kind of translucent or opaque breast of caprolactam open loop polycondensation
White crystals thermoplastic polymer, is that to develop in engineering plastics be also earliest the maximum kind of yield in current Nylon-type polymer
One of.
PA6 has small resistant to chemical etching, organic solvent-resistant, coefficient of friction, good toughness, oil resistant and processing fluidity good etc. all
More excellent performance, is all widely used in fields such as chemical industry, automobile, electronics, weaving, traffic and machineries.But due in PA6
Substantial amounts of amide group has stronger water imbibition, and the presence of hydrone can cause the size of PA6 unstable, so as to cause PA6
Mechanical performance reduction, it is impossible to suitable for dimension precision requirement occasion high, cannot also be applied to wearability requirement occasion high.
The content of the invention
To solve the above problems, the present invention provide a kind of stable in properties, good mechanical property, long service life based on the Black Warrior
The fibre-reinforced high intensity PA6 composites of rock.
The technical solution adopted in the present invention is：Based on the enhanced high intensity PA6 composites of basalt fibre, including with
The component of lower parts by weight, PA6 63-80 parts, treated basalt fiber 12-35 parts, toughener 5-10 parts, hydrophobic material 1-4
Part, compatilizer 2-5 parts, antioxidant 1-4 parts, coupling agent 1-4 parts.
To being further improved to for above-mentioned technical proposal, the treated basalt fiber is through 10% salt acid soak 1h
Continuous basalt fiber, and the draw ratio of the treated basalt fiber is 1600.
To being further improved to for above-mentioned technical proposal, the coupling agent is amino silicane coupling agent that concentration is 5%.
To being further improved to for above-mentioned technical proposal, the toughener is total to for the ethylene octene of modified by maleic acid anhydride graft
Polymers, SBS, styrene-ethylene-butylene-styrene block copolymer or ethene
One or more in acrylic copolymer.
To being further improved to for above-mentioned technical proposal, the compatilizer is the copolymer of styrene and maleic anhydride.
To being further improved to for above-mentioned technical proposal, the hydrophobic material is polyethylene and PET
Mixture.
Based on the preparation method of the enhanced high intensity PA6 composites of basalt fibre, comprise the following steps, a. is prepared and changed
Property basalt fibre；B, by the treatment of amino silicane coupling agent that the treated basalt fiber concentration in step a is 5%；C, title
Treated basalt fiber in the step of taking formula ratio b, and PA6, toughener, hydrophobic material, compatilizer, antioxidant, mixing are equal
It is even；D. each component in step a is imported extrude obtaining material strip in screw extruder；E. water-cooled is carried out to material strip, is air-dried
Treatment；F. the material strip for taking cool drying in step e carries out pelletizing.
To being further improved to for above-mentioned technical proposal, in step d, screw extruder extrusion temperature is 225 DEG C~250
DEG C, screw speed is 160r/m-180r/m, and the pulling speed of treated basalt fiber is 5mm/s~35mm/s.
Beneficial effects of the present invention are：
1st, on the one hand, it is of the invention based on the enhanced high intensity PA6 composites of basalt fibre, contain modified basalt
Fiber, basalt fibre is a kind of high-strength, Gao Mo inorganic mineral fiber, and high temperature resistant, corrosion-resistant to wait excellent performance, is one
The ideal material of green non-pollution is planted, also, basalt fibre tensile strength is protruded, and basalt fibre can significantly increase PA6's
Tensile strength, the composite bending strength of preparation is high, tensile strength is high, impact strength good and stable chemical nature, is easy to back
Receive and utilize, long service life can be suitably used for wearability requirement occasion high.Second aspect, hydrophobic is contained in formula of the invention
Material, it is possible to decrease the hygroscopicity of PA6, so as to improve the dimensional stability of its product, can be suitably used for dimension precision requirement field high
Close.
2nd, treated basalt fiber is the continuous basalt fiber through 10% salt acid soak 1h, and the modified basalt
The draw ratio of fiber is 1600, on the one hand, select continuous basalt fiber so that the minimum yardstick that retains of basalt fibre is larger,
It is uniformly dispersed, and in composite inner, continuous basalt fiber can form the three-dimensional net structure that fiber winds mutually, make
Fiber reinforcement effect it is more obvious, be further conducive to improve composite intensity.In addition, the stress concentration of fiber end
Point is also crackle initiation point, stress cracking is easily caused, so as to cause toughness to decline.Due in continuous fiber composite material sample
Fiber it is minimum retain that length is more long, end quantity can then be substantially reduced, so as to maintain preferable impact property.Second party
Face, basalt fibre is that, through the basalt fibre of hydrochloric Acid Modification, hydrochloric acid can effectively corrode the surface of basalt fibre, increases fine
The roughness in dimension table face, so as to improve the physical bond power of basalt fibre and PA6, improves composite material interface, further carries
The mechanical property of composite high.It is demonstrated experimentally that when concentration of hydrochloric acid is 10%, and process time is 1h, the mechanics of composite
Performance boost is maximum, and tensile strength and impact strength improve 8.94% He than the composite without HCl treatment respectively
23.02%.
3rd, coupling agent is the amino silicane coupling agent that concentration is 5%, and because basalt fibre modulus is higher, PA6 is the Black Warrior
Rock fiber bears load as an entirety after being bonded together, and the interfacial adhesion strength of such as basalt fibre and PA6 is not high, then
The intensity enhancing of composite is not obvious, therefore, the present invention in add coupling agent, by coupling agent improve basalt fibre and
Adhesive strength between PA6, is conducive to improving the overall tensile strength of composite, specifically, the introducing of silane coupler has
The nonpolar inorfil of effect connection and the PA6 matrixes with polar group so that pass through chemical bond between basalt fibre and PA6
It is combined together, so as to increase substantially the mechanical property of composite.Interface improvements of the wherein KH550 to composite
Preferably, 17.46% and 30.52% has been respectively increased when making the tensile strength of composite and impact strength than not adding coupling agent.
After coupling agent is added, a uniform coupling agent coating can be formed on basalt fibre surface, if the concentration of coupling agent is too low, coupling
Agent coating cannot be completely covered basalt fibre surface, and basalt fibre is combined with PA6 completely in the presence of coupling agent, be combined
Mechanical strength is needed to be further improved, if coupling agent concentrations are too low, now basalt fibre surface forms blocked up idol
Connection oxidant layer, because coupling agent molecule inter-layer bonding force is not strong, is also easy to produce the de- glutinous phenomenon of interlayer shear under external force, causes
The hydraulic performance decline of composite, only when coupling agent concentrations are 5%, now, basalt fibre surface forms uniform list
Molecular layer, now basalt fibre is best with the associativity of PA6, and the mechanical strength of composite is optimal.
4th, toughener is POE, the s-B-S three block of modified by maleic acid anhydride graft
One or more in copolymer, styrene-ethylene-butylene-styrene block copolymer or ethylene acrylic acid co polymer.Relatively
In other toughener, the toughener that the present invention is selected has excellent heatproof, ageing-resistant performance, simple easy processing, without vulcanization
Can be used, asepsis environment-protecting, while having good mobility, can improve the dispersion effect of basalt fibre, can significantly carry
Composite material toughness high, further improves every mechanical performance of composite.
5th, compatilizer is the copolymer of styrene and maleic anhydride, and compatilizer can react with the polar group in PA6, is improved
The adhesive strength of PA6 and basalt fibre, is further conducive to improving the bending strength of composite, tensile strength and impact by force
Degree.
6th, hydrophobic material is the mixture of polyethylene and PET, and polyethylene and benzene two are added in PA6
The mixture of formic acid glycol ester, can significantly reduce the hygroscopicity of PA6, so as to improve the dimensional stability of its product.
7th, the preparation method based on the enhanced high intensity PA6 composites of basalt fibre, enters to basalt fibre in advance
Hydrochloric Acid Modification is gone, has then formed coupling agent coating on treated basalt fiber surface, by hydrochloric Acid Modification, fiber table can have been increased
The roughness in face, so as to improve the physical bond power of basalt fibre and PA6, improves composite material interface, further improves multiple
The mechanical property of condensation material, by prior coated with coupling agent coating, can increase the interface binding power of basalt fibre and PA6, enter
One step improves the mechanical property of composite.
8th, in preparation process, screw extruder extrusion temperature is 225 DEG C~250 DEG C, to ensure being sufficiently mixed for each component,
The composite uniformity of preparation is good；The pulling speed of treated basalt fiber is 5mm/s~35mm/s, and the pulling speed can be protected
Card basalt fibre is uniform with dipping material dipping, further improves the uniformity of composite；Screw speed is 160r/m-
180r/m, if rotating speed is excessive, can cause shearing force suffered by composite big, and basalt fibre is twisted disconnected, and average fiber length subtracts
Small, tensile strength reduction, if rotating speed is too small, can cause each component in composite uniformly to mix, and cause the material for obtaining
Bar is uneven, when rotating speed is 170r/m, the composite tensile strength highest for obtaining.
Specific embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Specific embodiment 1：
Based on the enhanced high intensity PA6 composites of basalt fibre, including following parts by weight component, PA6 74
Part, 12 parts of treated basalt fiber, 8 parts of toughener, 1.5 parts of hydrophobic material, 2.5 parts of compatilizer, 1.5 parts of antioxidant, coupling agent
1.5 parts.
Specific embodiment 2：
Based on the enhanced high intensity PA6 composites of basalt fibre, including following parts by weight component, PA6 71
Part, 15 parts of treated basalt fiber, 8 parts of toughener, 1.5 parts of hydrophobic material, 2.5 parts of compatilizer, 1.5 parts of antioxidant, coupling agent
1.5 parts.
Specific embodiment 3：
Based on the enhanced high intensity PA6 composites of basalt fibre, including following parts by weight component, PA6 66
Part, 20 parts of treated basalt fiber, 8 parts of toughener, 1.5 parts of hydrophobic material, 2.5 parts of compatilizer, 1.5 parts of antioxidant, coupling agent
1.5 parts.
Control group：
High intensity PA6 composites, including following parts by weight component, 89 parts of PA6,8 parts of toughener, hydrophobic material
1.5 parts, 1.5 parts of antioxidant.
In the various embodiments described above, treated basalt fiber is the continuous basalt fiber through 10% salt acid soak 1h, and
The draw ratio of treated basalt fiber is 1600.Coupling agent is amino silicane coupling agent that concentration is 5%.Toughener is maleic acid
The POE of acid anhydride graft modification, SBS, styrene-ethylene-butadiene-
The mixture of styrene block copolymer or ethylene acrylic acid co polymer.Compatilizer is the copolymer of styrene and maleic anhydride.
Hydrophobic material is the mixture of polyethylene and PET.
In the various embodiments described above, based on the preparation method of the enhanced high intensity PA6 composites of basalt fibre, including with
Lower step, a. prepares treated basalt fiber；B, by amino silane that the treated basalt fiber concentration in step a is 5%
Coupling agent treatment；C, treated basalt fiber the step of weigh formula ratio in b, and it is PA6, toughener, hydrophobic material, compatible
Agent, antioxidant, are well mixed；D. each component in step a is imported extrude obtaining material strip in screw extruder；E. to material
Bar carries out water-cooled, air-dries treatment；F. the material strip for taking cool drying in step e carries out pelletizing.In step d, screw extruder extrusion
Temperature is 235 DEG C, and screw speed is 170r/m, and the pulling speed of treated basalt fiber is 20mm/s.
Using each specific embodiment and the material of control group, it is made same thickness, formed objects, the tabular of same nature and produces
Product, under identical environmental condition, using identical measuring instrument and measuring method, measure the physical property of each group material, survey
Amount the results are shown in Table 1.
As seen from Table 1, the mechanical performance of specific embodiment 2 is better than the mechanical performance of specific embodiment 3, better than specific implementation
The mechanical performance of example 1, better than the mechanical performance of control group.
On the one hand, in composite of the invention, the bending that material can be obviously improved after addition treated basalt fiber is strong
The physical properties such as degree, tensile strength, impact strength, while the coefficient of friction and wear rate of material are reduced, overall lifting composite wood
The mechanical performance of material, improves its wearability, and can significantly reduce the water absorption rate of composite, reduces its hygroscopicity.Second aspect,
When basalt fibre content is 15% or so, fiber-reinforcing effect is most obvious, and this is, because fiber content is too low, to cause portion
Dividing PA6 can not be combined with basalt fibre, and its mechanical performance is needed to be further improved, and when fiber content is too high, fiber is superfluous,
Few fibers are exposed, cause mechanical performance to decline, and when fiber content is 15%, fiber-reinforcing effect is most obvious, composite machine
Tool performance improvement obtains best.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
1. the enhanced high intensity PA6 composites of basalt fibre are based on, it is characterised in that：Group including following parts by weight
Point, PA6 63-80 parts, treated basalt fiber 12-35 parts, toughener 5-10 parts, hydrophobic material 1-4 parts, compatilizer 2-5 parts,
Antioxidant 1-4 parts, coupling agent 1-4 parts.
2. according to claim 1 based on the enhanced high intensity PA6 composites of basalt fibre, it is characterised in that：Institute
It is the continuous basalt fiber through 10% salt acid soak 1h to state treated basalt fiber, and the treated basalt fiber length
Footpath ratio is 1600.
3. according to claim 2 based on the enhanced high intensity PA6 composites of basalt fibre, it is characterised in that：Institute
Coupling agent is stated for amino silicane coupling agent that concentration is 5%.
4. according to claim 3 based on the enhanced high intensity PA6 composites of basalt fibre, it is characterised in that：Institute
State toughener be the POE of modified by maleic acid anhydride graft, SBS,
One or more in styrene-ethylene-butylene-styrene block copolymer or ethylene acrylic acid co polymer.
5. according to claim 4 based on the enhanced high intensity PA6 composites of basalt fibre, it is characterised in that：Institute
It is styrene and the copolymer of maleic anhydride to state compatilizer.
6. according to claim 5 based on the enhanced high intensity PA6 composites of basalt fibre, it is characterised in that：Institute
It is polyethylene and the mixture of PET to state hydrophobic material.
7. the preparation method of the enhanced high intensity PA6 composites of basalt fibre is based on, it is characterised in that：Including following step
Suddenly, a. prepares treated basalt fiber；B, by the coupling of amino silane that the treated basalt fiber concentration in step a is 5%
Agent is processed；C, treated basalt fiber the step of weigh formula ratio in b, and it is PA6, toughener, hydrophobic material, compatilizer, anti-
Oxygen agent, is well mixed；D. each component in step a is imported extrude obtaining material strip in screw extruder；E. material strip is entered
Water-filling is cold, air-dry treatment；F. the material strip for taking cool drying in step e carries out pelletizing.
8. the preparation method based on the enhanced high intensity PA6 composites of basalt fibre according to claim 7, it is special
Levy and be：In step d, screw extruder extrusion temperature is 225 DEG C~250 DEG C, and screw speed is 160r/m-180r/m, is modified
The pulling speed of basalt fibre is 5mm/s~35mm/s.
Priority Applications (1)
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| CN111057369A (en) * | 2019-12-12 | 2020-04-24 | 会通新材料股份有限公司 | Carbon fiber reinforced polyamide composite material pre-soaked basalt fiber cloth and preparation method thereof |
| CN112011165A (en) * | 2020-09-11 | 2020-12-01 | 中国科学院长春应用化学研究所 | Modified polypropylene carbonate material and preparation method thereof |
| CN112266577A (en) * | 2020-11-04 | 2021-01-26 | 深圳市天健(集团)股份有限公司 | Adhesive resin for basalt fiber rib connecting end and preparation method thereof |
| CN112759922A (en) * | 2020-12-28 | 2021-05-07 | 苏州旭光聚合物有限公司 | Continuous basalt fiber reinforced polyamide and preparation method thereof |
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| CN112266577A (en) * | 2020-11-04 | 2021-01-26 | 深圳市天健(集团)股份有限公司 | Adhesive resin for basalt fiber rib connecting end and preparation method thereof |
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