CN105802105A - Wear-resistant nano-plastic and preparation method thereof - Google Patents
Wear-resistant nano-plastic and preparation method thereof Download PDFInfo
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- C08K2201/011—Nanostructured additives
Abstract
The invention discloses wear-resistant nano-plastic and a preparation method thereof. The nano-plastic is prepared from raw materials including polytetrafluoroethene, nano aluminum oxide, methyl methacrylate, azodiisobutyronitrile, nano silica, nano zinc oxide, nano titanium dioxide, nano calcium oxide, nano ferric oxide, graphite, broze powder and glass fibers. The product strength is high, the tensile strength is 60-100 MPa, and the Brinell hardness is 25-45; the appearance is good, un-notched charpy impact strength is 15-35 kJ/m<2>, and the vicat softening point is 140-160 DEG C; the oxygen index is 22%-26%, the bending strength is 25-45 MPa, and the tear strength is 30-50 N/mm; the friction coefficient is 0.01-0.1, the elongation at break is 350%-550%, the frictional wear performance is the best, the cost is low, the operation is simple, and the nano-plastic can be widely produced and continuously replace existing materials.
Description
Technical field
The application belongs to polytetrafluoroethylmaterial material field, particularly relates to a kind of nano wearproof plastics and preparation method thereof.
Background technology
Nanomaterial science is the complete brand-new scientific domain of the most just risen, and it relates to the multi-field knowledge such as state of aggregation physics, chemistry, material, biology.The core content of " nanotechnology " is the agglomeration traits how solving nanoparticle, owing to nanoparticle itself is easily reunited, obtaining single scattered nanoparticle extremely difficult, how making nanoparticle be evenly dispersed in matrix to go is the key technology of " nanotechnology ".
Analyze from the applied research of " nanotechnology " is reported at present, the method that can carry out industrialization has two kinds: 1, nano intercalatedization technology, the n-MMT i.e. processed by intercalation, it is formed with certain compaction rate, the master batch of size uniform, again this master batch is blended and pelletize through mixing and stirring, solves nano material and disperse a uneven difficult problem in the base, make nano composite material.2, utilize vibromill dispersion method that nanoparticle can be made the most dispersed, the most do not produce reunion, be truly realized nanoscale dispersion.
" nano plastic " refers to that matrix is high molecular polymer, by fully dispersed in plastic resin of nanoparticle, is effectively improved the performance such as heat-resisting, weather-proof, wear-resisting of plastics." nano plastic " can make common plastics have the rigidity as ceramic material and thermostability, remains again toughness, resistance to impact and the workability that plastics itself are possessed simultaneously.At present, having of industrialization can be carried out and utilize nanoparticle by nanometer particle-modified NPE, NPET and NPA6 (i.e. nano-polyethylene, nanometer PET polyester, nano-nylon 6), silver (Ag+) is designed in the micropore of particle surface and stable, just can make nanometer and plant silver anti-biotic material, this material is joined and plastics goes plastics just can be made to have antibacterial and mouldproof, self-cleaning premium properties such as grade so that it is become Green Product.At present, it is applied in ABS, SPVC, HIPS, PP plastics.
" nano plastic " is a kind of high-tech new material; there is good development prospect; due to domestic, this new material is also lacked understanding; there is no complete quality certification system and tight production management, be in the situation that one " is jumped on the bandwagon ", mix the genuine with the fictitious; true and false difficulty is debated; make " nano plastic " initially to face the danger of " dying young ", so the highly desirable national departments concerned of the author can protect this new material by corresponding standard and regulation, promote growing up healthy and sound of it.
" nanometer " is the measurement unit of a length, and its yardstick is 1/1000000000th meter (10-9m).In general, during nano material refers to biphase microstructure, at least the unidimensional scale of a phase reaches nanoscale.Nano particle diameter is the least, and surface can be very big, easily reunites, so how a preparing nano particle inherently extremely complex technical problem.The nanoparticle that can make and utilize at present mostly is inorganic nano-particle, and the nanoparticle being effectively modified plastics is SiO2, TiO2, CaCO3, covers and opens up soil (MMT) etc..And popularizing along with humanity concept, and the composition of novel harmonious society, nano wearproof plastics designing a kind of intensity height, rub resistance and preparation method thereof are very important.
(Polytetrafluoroethylene, is abbreviated as PTFE to politef, commonly referred to as " non-sticking lining " or " material easy to clean.This material has antiacid alkali resistant, the feature of anti-various organic solvents, is practically insoluble in all of solvent.Meanwhile, politef has resistant to elevated temperatures feature, and its coefficient of friction is extremely low, so after can making lubrication, the preferable coating of water pipe internal layer easy to clean also being become.
Polytetrafluoroethyltubing tubing selects suspension polymerisation polyflon to be processed into through sliding cylinder extrusion.In known plastic, politef has best resistance to chemical corrosion and dielectric properties.Politef braiding packing is a kind of good dynamic sealing material, is to be formed by the braiding of varicosity politef tape, have low-friction coefficient, wear-resisting, resistance to chemical attack, sealing well, do not hydrolyze, the premium properties such as the most hardening.The gasket seal worked in various media and lubriation material, and use at various frequencies electrical insulation, condenser dielectric, wire insulation, electrical instrumentation insulation etc..Polytetrafluoroethylene film is applicable to make condenser dielectric, the insulating barrier of special cable, wire insulation, electrical instrumentation insulation and liner, also can not adhesive tape, band, the demoulding, sealing ring etc..Additionally, the liner of the non-stick pan in Sheng Huo also uses politef to make, it is simply that make use of politef high temperature resistant, not viscous feature.
Summary of the invention
Solve the technical problem that:
The application is for above-mentioned technical problem, it is provided that a kind of nano wearproof plastics and preparation method thereof, the technical problem such as solve that existing nano plastic hot strength is low, friction and abrasion is poor and impact strength is low.
Technical scheme:
A kind of nano wearproof plastics, the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 8-12 part；Methyl methacrylate 20-40 part；Azodiisobutyronitrile 1-10 part；Nano silicon 2-8 part；Nano zine oxide 5-25 part；Nano titanium oxide 3-7 part；Nano calcium oxide 4-8 part；Nanometer iron sesquioxide 2-6 part；Graphite is 1.5-3.5 part；Glass fibre 6-10 part；Bronze powder 5-7 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 9-11 part；Methyl methacrylate 25-35 part；Azodiisobutyronitrile 2-8 part；Nano silicon 3-7 part；Nano zine oxide 10-20 part；Nano titanium oxide 4-6 part；Nano calcium oxide 5-7 part；Nanometer iron sesquioxide 3-5 part；Graphite is 2-3 part；Glass fibre 7-9 part；Bronze powder 5.5-6.5 part.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 9 parts；Methyl methacrylate 25 parts；Azodiisobutyronitrile 2 parts；Nano silicon 3 parts；Nano zine oxide 10 parts；Nano titanium oxide 4 parts；Nano calcium oxide 5 parts；Nanometer iron sesquioxide 3 parts；Graphite is 2 parts；Glass fibre 7 parts；Bronze powder 5.5 parts.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 11 parts；Methyl methacrylate 35 parts；Azodiisobutyronitrile 8 parts；Nano silicon 7 parts；Nano zine oxide 20 parts；Nano titanium oxide 6 parts；Nano calcium oxide 7 parts；Nanometer iron sesquioxide 5 parts；Graphite is 3 parts；Glass fibre 9 parts；Bronze powder 6.5 parts.
As a preferred technical solution of the present invention: the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 10 parts；Methyl methacrylate 30 parts；Azodiisobutyronitrile 5 parts；Nano silicon 5 parts；Nano zine oxide 15 parts；Nano titanium oxide 5 parts；Nano calcium oxide 6 parts；Nanometer iron sesquioxide 4 parts；Graphite is 2.5 parts；Glass fibre 8 parts；Bronze powder 6 parts.
As a preferred technical solution of the present invention: the preparation method of described nano wearproof plastics, comprise the steps:
The first step: weigh politef, nano-aluminium oxide, methyl methacrylate, azodiisobutyronitrile, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nano silicon, graphite, bronze powder and glass fibre according to parts by weight proportioning；
Second step: fully dispersed with vibromill dispersion technology after nano-aluminium oxide, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, bronze powder and glass fibre are dried at 80-100 DEG C 10-30min, put in the reactor equipped with agitator and thermometer after being uniformly dispersed together with surplus stock, it is heated to 40-60 DEG C, mixes 5-10min；
3rd step: the material after mix homogeneously puts into double screw extruder, barrel temperature 150-160 DEG C, 155-165 DEG C, 160-170 DEG C, 165-175 DEG C, 170-180 DEG C, extruder temperature 175-185 DEG C, head temperature 180-190 DEG C, screw speed 60-80r/min, feed intake rotating speed 20-40
r/min。
Beneficial effect:
A kind of nano wearproof plastics of the present invention and preparation method thereof use above technical scheme compared with prior art, have following technical effect that 1, product strength high, hot strength 60-100MPa, Brinell hardness 25-45；2, outward appearance is good, non-notch simple beam impact strength 15-35kJ/m2, Vicat softening point 140-160 DEG C；3, oxygen index (OI) 22-26%, bending strength 25-45MPa, tearing strength 30-50N/mm；4, coefficient of friction 0.01-0.1, elongation at break 350-550%, friction and abrasion is optimal, with low cost, simple to operate, can be with the widespread production not division of history into periods for current material.
Detailed description of the invention
Embodiment
1:
Politef 100 parts is weighed according to parts by weight proportioning；Nano-aluminium oxide 8 parts；Methyl methacrylate 20 parts；Azodiisobutyronitrile 1 part；Nano silicon 2 parts；Nano zine oxide 5 parts；Nano titanium oxide 3 parts；Nano calcium oxide 4 parts；Nanometer iron sesquioxide 2 parts；Graphite is 1.5 parts；Glass fibre 6 parts；Bronze powder 5 parts.
Use vibromill dispersion technology fully dispersed after nano-aluminium oxide, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, bronze powder and glass fibre are dried at 80 DEG C 10min, put in the reactor equipped with agitator and thermometer after being uniformly dispersed together with surplus stock, it is heated to 40 DEG C, mixes 5min.
Material after mix homogeneously puts into double screw extruder, barrel temperature 150 DEG C, 155 DEG C, 160 DEG C, 165 DEG C, 170 DEG C, and extruder temperature 175 DEG C, head temperature 180 DEG C, screw speed 60r/min, feed intake rotating speed 20 r/min.
Product strength is high, hot strength 60MPa, Brinell hardness 25；Outward appearance is good, non-notch simple beam impact strength 15kJ/m2, Vicat softening point 140 DEG C；Oxygen index (OI) 22%, bending strength 25MPa, tearing strength 30N/mm；Coefficient of friction 0.1, elongation at break 350-550%, friction and abrasion is optimal.
Embodiment
2:
Politef 100 parts is weighed according to parts by weight proportioning；Nano-aluminium oxide 12 parts；Methyl methacrylate 40 parts；Azodiisobutyronitrile 10 parts；Nano silicon 8 parts；Nano zine oxide 25 parts；Nano titanium oxide 7 parts；Nano calcium oxide 8 parts；Nanometer iron sesquioxide 6 parts；Graphite is 3.5 parts；Glass fibre 10 parts；Bronze powder 7 parts.
Use vibromill dispersion technology fully dispersed after nano-aluminium oxide, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, bronze powder and glass fibre are dried at 100 DEG C 30min, put in the reactor equipped with agitator and thermometer after being uniformly dispersed together with surplus stock, it is heated to 60 DEG C, mixes 10min.
Material after mix homogeneously puts into double screw extruder, barrel temperature 160 DEG C, 165 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, and extruder temperature 185 DEG C, head temperature 190 DEG C, screw speed 80r/min, feed intake rotating speed 40 r/min.
Product strength is high, hot strength 70MPa, Brinell hardness 30；Outward appearance is good, non-notch simple beam impact strength 20kJ/m2, Vicat softening point 145 DEG C；Oxygen index (OI) 23%, bending strength 30MPa, tearing strength 35N/mm；Coefficient of friction 0.03, elongation at break 400%, friction and abrasion is optimal.
Embodiment
3:
Politef 100 parts is weighed according to parts by weight proportioning；Nano-aluminium oxide 9 parts；Methyl methacrylate 25 parts；Azodiisobutyronitrile 2 parts；Nano silicon 3 parts；Nano zine oxide 10 parts；Nano titanium oxide 4 parts；Nano calcium oxide 5 parts；Nanometer iron sesquioxide 3 parts；Graphite is 2 parts；Glass fibre 7 parts；Bronze powder 5.5 parts.
Use vibromill dispersion technology fully dispersed after nano-aluminium oxide, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, bronze powder and glass fibre are dried at 80 DEG C 10min, put in the reactor equipped with agitator and thermometer after being uniformly dispersed together with surplus stock, it is heated to 40 DEG C, mixes 5min.
Material after mix homogeneously puts into double screw extruder, barrel temperature 150 DEG C, 155 DEG C, 160 DEG C, 165 DEG C, 170 DEG C, and extruder temperature 175 DEG C, head temperature 180 DEG C, screw speed 60r/min, feed intake rotating speed 20r/min.
Product strength is high, hot strength 80MPa, Brinell hardness 35；Outward appearance is good, non-notch simple beam impact strength 25kJ/m2, Vicat softening point 150 DEG C；Oxygen index (OI) 24%, bending strength 35MPa, tearing strength 40N/mm；Coefficient of friction 0.05, elongation at break 450%, friction and abrasion is optimal.
Embodiment
4:
Politef 100 parts is weighed according to parts by weight proportioning；Nano-aluminium oxide 11 parts；Methyl methacrylate 35 parts；Azodiisobutyronitrile 8 parts；Nano silicon 7 parts；Nano zine oxide 20 parts；Nano titanium oxide 6 parts；Nano calcium oxide 7 parts；Nanometer iron sesquioxide 5 parts；Graphite is 3 parts；Glass fibre 9 parts；Bronze powder 6.5 parts.
Use vibromill dispersion technology fully dispersed after nano-aluminium oxide, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, bronze powder and glass fibre are dried at 100 DEG C 30min, put in the reactor equipped with agitator and thermometer after being uniformly dispersed together with surplus stock, it is heated to 60 DEG C, mixes 10min.
Material after mix homogeneously puts into double screw extruder, barrel temperature 160 DEG C, 165 DEG C, 170 DEG C, 175 DEG C, 180 DEG C, and extruder temperature 185 DEG C, head temperature 190 DEG C, screw speed 80r/min, feed intake rotating speed 40 r/min.
Product strength is high, hot strength 90MPa, Brinell hardness 40；Outward appearance is good, non-notch simple beam impact strength 30kJ/m2, Vicat softening point 155 DEG C；Oxygen index (OI) 25%, bending strength 40MPa, tearing strength 45N/mm；Coefficient of friction 0.08, elongation at break 500%, friction and abrasion is optimal.
Embodiment
5:
Politef 100 parts is weighed according to parts by weight proportioning；Nano-aluminium oxide 10 parts；Methyl methacrylate 30 parts；Azodiisobutyronitrile 5 parts；Nano silicon 5 parts；Nano zine oxide 15 parts；Nano titanium oxide 5 parts；Nano calcium oxide 6 parts；Nanometer iron sesquioxide 4 parts；Graphite is 2.5 parts；Glass fibre 8 parts；Bronze powder 6 parts.
Use vibromill dispersion technology fully dispersed after nano-aluminium oxide, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, bronze powder and glass fibre are dried at 90 DEG C 20min, put in the reactor equipped with agitator and thermometer after being uniformly dispersed together with surplus stock, it is heated to 50 DEG C, mixes 8min.
Material after mix homogeneously puts into double screw extruder, barrel temperature 155 DEG C, 160 DEG C, 165 DEG C, 170 DEG C, 175 DEG C, and extruder temperature 180 DEG C, head temperature 185 DEG C, screw speed 70r/min, feed intake rotating speed 30 r/min.
Product strength is high, hot strength 100MPa, Brinell hardness 45；Outward appearance is good, non-notch simple beam impact strength 35kJ/m2, Vicat softening point 160 DEG C；Oxygen index (OI) 26%, bending strength 45MPa, tearing strength 50N/mm；Coefficient of friction 0.01, elongation at break 550%, friction and abrasion is optimal.
Compositions all components in above example all can be commercially available.
Above-described embodiment is only intended to be illustrated present disclosure rather than limit, therefore any change in the implication suitable with claims of the present invention and scope, is all considered as being included within the scope of the claims.
Claims (6)
1. nano wearproof plastics, it is characterised in that the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 8-12 part；Methyl methacrylate 20-40 part；Azodiisobutyronitrile 1-10 part；Nano silicon 2-8 part；Nano zine oxide 5-25 part；Nano titanium oxide 3-7 part；Nano calcium oxide 4-8 part；Nanometer iron sesquioxide 2-6 part；Graphite is 1.5-3.5 part；Glass fibre 6-10 part；Bronze powder 5-7 part.
A kind of nano wearproof plastics the most according to claim 1, it is characterised in that described nano wearproof plastic raw materials proportioning by weight is as follows: politef 100 parts；Nano-aluminium oxide 9-11 part；Methyl methacrylate 25-35 part；Azodiisobutyronitrile 2-8 part；Nano silicon 3-7 part；Nano zine oxide 10-20 part；Nano titanium oxide 4-6 part；Nano calcium oxide 5-7 part；Nanometer iron sesquioxide 3-5 part；Graphite is 2-3 part；Glass fibre 7-9 part；Bronze powder 5.5-6.5 part.
A kind of nano wearproof plastics the most according to claim 1, it is characterised in that the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 9 parts；Methyl methacrylate 25 parts；Azodiisobutyronitrile 2 parts；Nano silicon 3 parts；Nano zine oxide 10 parts；Nano titanium oxide 4 parts；Nano calcium oxide 5 parts；Nanometer iron sesquioxide 3 parts；Graphite is 2 parts；Glass fibre 7 parts；Bronze powder 5.5 parts.
A kind of nano wearproof plastics the most according to claim 1, it is characterised in that the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 11 parts；Methyl methacrylate 35 parts；Azodiisobutyronitrile 8 parts；Nano silicon 7 parts；Nano zine oxide 20 parts；Nano titanium oxide 6 parts；Nano calcium oxide 7 parts；Nanometer iron sesquioxide 5 parts；Graphite is 3 parts；Glass fibre 9 parts；Bronze powder 6.5 parts.
A kind of nano wearproof plastics the most according to claim 1, it is characterised in that: the raw materials by weight portion proportioning of described nano wearproof plastics is as follows: politef 100 parts；Nano-aluminium oxide 10 parts；Methyl methacrylate 30 parts；Azodiisobutyronitrile 5 parts；Nano silicon 5 parts；Nano zine oxide 15 parts；Nano titanium oxide 5 parts；Nano calcium oxide 6 parts；Nanometer iron sesquioxide 4 parts；Graphite is 2.5 parts；Glass fibre 8 parts；Bronze powder 6 parts.
6. the preparation method of nano wearproof plastics described in a claim 1, it is characterised in that comprise the steps:
The first step: weigh politef, nano-aluminium oxide, methyl methacrylate, azodiisobutyronitrile, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, graphite, bronze powder and glass fibre according to parts by weight proportioning；
Second step: fully dispersed with vibromill dispersion technology after nano-aluminium oxide, nano silicon, nano zine oxide, nano titanium oxide, nano calcium oxide, nanometer iron sesquioxide, bronze powder and glass fibre are dried at 80-100 DEG C 10-30min, put in the reactor equipped with agitator and thermometer after being uniformly dispersed together with surplus stock, it is heated to 40-60 DEG C, mixes 5-10min；
3rd step: the material after mix homogeneously puts into double screw extruder, barrel temperature 150-160 DEG C, 155-165 DEG C, 160-170 DEG C, 165-175 DEG C, 170-180 DEG C, extruder temperature 175-185 DEG C, head temperature 180-190 DEG C, screw speed 60-80r/min, feed intake rotating speed 20-40 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610215523.7A CN105802105A (en) | 2016-04-08 | 2016-04-08 | Wear-resistant nano-plastic and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610215523.7A CN105802105A (en) | 2016-04-08 | 2016-04-08 | Wear-resistant nano-plastic and preparation method thereof |
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| CN107227055A (en) * | 2017-06-20 | 2017-10-03 | 苏州乔纳森新材料科技有限公司 | A kind of preparation method of medical imitation porcelain coating |
| CN112679828A (en) * | 2020-12-24 | 2021-04-20 | 青岛恒凯橡塑有限公司 | Wear-resistant flame-retardant thermoplastic plastic and preparation method thereof |
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Application publication date: 20160727 |