CN102134366A - Polycarbonate (PC)/acrylonitrile-butadiene-styrene (ABS) or polyvinyl chloride (PVC)/ABS alloy with low linear expansion coefficient and preparation method thereof - Google Patents
Polycarbonate (PC)/acrylonitrile-butadiene-styrene (ABS) or polyvinyl chloride (PVC)/ABS alloy with low linear expansion coefficient and preparation method thereof Download PDFInfo
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- CN102134366A CN102134366A CN2010101003723A CN201010100372A CN102134366A CN 102134366 A CN102134366 A CN 102134366A CN 2010101003723 A CN2010101003723 A CN 2010101003723A CN 201010100372 A CN201010100372 A CN 201010100372A CN 102134366 A CN102134366 A CN 102134366A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
- B29C48/797—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
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Abstract
The invention discloses a PC/ABS or PVC/ABS alloy with low linear expansion coefficient, which comprises metal, glass or organic resin flakes, macromolecule resin (PC, PVC and ABS), a dispersant, a coupling agent, a compatibilizer, a catalyst, an antioxygen, a modifier, a fire retardant, a lubricant and an ultraviolet absorber. 10 to 60 parts of surface-modified metal, glass or organic resin flakes are added into the PC/ABS or PVC/ABS alloy.
Description
Technical field:
The present invention relates to the polymer composite field, particularly relate to high polymer alloy with PC/ABS or PVC/ABS and metal scale or glass flake or the making of organic resin scale.
Background technology:
ABS resin is vinyl cyanide (A), 1,3-butadiene (B), three kinds of monomeric graft copolymers of vinylbenzene (S).Vinyl cyanide provides hardness, thermotolerance, acid and alkali-resistance salt chemistry corrosive character for ABS resin, 1, the 3-divinyl provides low temperature ductility and shock resistance for ABS resin, vinylbenzene provides the flowability of hardness, processing and the smooth finish of product surface for ABS resin, modal ratio is A: B: S=20: 30: 50, this moment, the ABS resin fusing point was 175 ℃.
Advantages such as polycarbonate (PC) has shock strength height, creep resistance, dimensional stability is good, heat-resisting, transparent, dielectric properties are good, but also exist simultaneously processing fluidity poor, easily take place stress cracking, to the breach sensitivity, shortcoming such as wear no resistance; Acrylonitrile/butadiene/styrene multipolymer (ABS) has chemical proofing and forming process preferably, yet it is heat-resisting relative with the weathering resistance difference relatively poor.The PC/ABS alloy of both blending and modifying gained can be complementary on performance, not only the thermotolerance of blend alloy, shock strength and tensile strength are better than ABS, and its melt viscosity is lower than PC, good processability, and goods internal stress and shock strength all reduce greatly to the susceptibility of products thickness.
The ABS/PVC alloy: the PVC plastics have good rigidly, intensity height, fire-retardant, corrosion-resistant, advantage such as electric insulating quality is good and soft or hard is adjustable, but its poor processability, notched Izod impact strength and heat-drawn wire are low, and fragility is big, so the PVC plastics are difficult to replace engineering plastics.ABS resin has good comprehensive performances, in wide temperature range, have high impulse strength and surface strength, the heat-drawn wire height, dimensional stability is good, have certain chemical stability, but weathering resistance and thermotolerance are relatively poor, inflammable and price is also higher.PVC solubility parameter (δ=9.7) is close with the solubility parameter (δ=10) of ABS, and the two has good consistency.After PVC and the ABS blending, contain a large amount of SAN structure particulate, PB particulate in the miscellany, utilize the melt blending technology just can form a kind of PVC/ABS alloy of submicroscopic heterogeneous homogeneous.The PVC/ABS alloy is learnt from other's strong points to offset one's weaknesses on performance mutually, it both had ABS resin shock-resistant, low temperature resistant, be easy to advantages such as forming process, have flame retardant resistance and the corrosion resistant premium properties of PVC again.
Patent 200480044520.7 " the ABS resin composition with low coefficient of linear thermal expansion " proposes to add through the surface treatment clay and reduces the ABS resin thermal linear expansion coefficient.
Summary of the invention:
Purpose of the present invention:
1, adds scale glass or the metal scale or the organic resin scale of surface modification at PC/ABS or PVC/ABS alloy, by stacked scale of arranging and the resin mutual restriction between scale, reduce the linear expansivity of alloy material, improve the stability of alloy material.
2, in PC/ABS alloy or PVC/ABS alloy, add the strong magnetic metal scale of surface modification,, improve PC/ABS alloy or the antimagnetic function of PVC/ABS alloy by the magneticinduction between stacked flaky strong magnet metal scale.
3, by in PC/ABS alloy or PVC/ABS alloy, adding metal scale or the glass flake or the organic resin scale of modification, stop the alloy stress crack propagation, improve alloy material resistance to impact shock and toughness.
4, by wrapping up modified resin at scale glass or metal scale surface, improving scale glass or metal scale combines with the interface of PC/ABS alloy or PVC/ABS alloy material, reduce the friction resistance of metal scale or glass flake and PC, ABS, PVC macromolecular material, improve the flowing property of molten state alloy, minimizing improves the work-ing life of extrusion equipment to the wearing and tearing of extrusion equipment.
5, by parcel modified resin metal scale or parcel modified resin glass flake or organic resin scale in the molten resin that flows with least resistance oriented alignment and flow pattern, produce the PC/ABS alloy or the PVC/ABS alloy of the stacked orderly oriented alignment of scale, improve shock resistance, cracking resistance line performance, the corrosion resistance of alloy.
The technical problem to be solved in the present invention provides the PC/ABS alloy or the PVC/ABS alloy of surface modification scale glass or metal scale or organic resin scale, and the present invention also provides the PC/ABS alloy of surface modification scale glass or metal scale or organic resin scale or the manufacture method of PVC/ABS alloy.
PC/ABS with low linear expansion coefficient or PVC/ABS alloy that the present invention proposes comprise: comprising: metal scale or glass flake or organic resin scale, macromolecule resin (PC, PVC, ABS), dispersion agent, coupling agent, expanding material, catalyzer, oxidation inhibitor, properties-correcting agent, fire retardant, lubricant, UV light absorber is metal scale or the glass flake or the organic resin scale of 10 parts of-60 parts of surface modifications by adding weight proportion in PC/ABS or the PVC/ABS component alloy.
The PC/ABS alloy scheme that the present invention proposes with low linear expansion coefficient, it forms weight proportion is (part):
PC 10-15 part
ABS 75-80 part
SAN 25-30 part
Metal scale or glass flake or organic resin scale 10-30 part
Maleic anhydride (MAH) 1-1.5 part
0.05 part of dicumyl peroxide (DCP)
Coupling agent 0.5-5 part
Lubricant 1-2 part
Fire retardant 1-4 part
UV light absorber 0.5-2 part.
The PVC/ABS alloy scheme that the present invention proposes with low linear expansion coefficient, it forms weight proportion is (part):
PVC 60-80 part
ABS 20-40 part
CPE 6-10 part
Metal scale or glass flake or organic resin scale 10-60 part
Stablizer 6-8 part
Coupling agent 0.5-6 part
Oxidation inhibitor 1-2 part
Lubricant 1-2 part
Properties-correcting agent 2-3 part
Fire retardant 1-2 part
UV light absorber 0.5-2 part.
Wherein, described metal scale is metallic aluminium, copper, zinc, iron, steel, nickel, tin and alloy scale thereof, thickness 0.1-0.4um, sheet path length 15-20um.Described metal scale is at first made metallic particles or metal alloy particle with atomising method, adopt rolling then or ball milling method with metallic particles or metal alloy particle is rolling or ball milling becomes the metal scale.
Wherein, described organic resin scale is the flakey resin with high melting point, comprise: polyamide (PA), polycarbonate (PC), Noryl (MODIFIED PP O), polybutylene terephthalate (PBT), polyethylene terephthalate (GF-PET), ultrahigh molecular weight polyethylene(UHMWPE) (UHMWPE), polysulfones (PSF), polyethersulfone (PES), polyphenylene sulfide (PPS), polyarylester (PAR), polyamide-imide (PAI), polyimide (PEI), polyether-ether-ketone (PEEK), polyimide (PI), liquid crystalline polymers (LCP), polytetrafluoroethylene (PTFE), thickness 0.1-5um, sheet path length 10-3000um.Described organic resin scale is at first made particle with atomising method, and rolling or ball milling becomes the organic resin scale to the method that adopts rolling or ball milling then with the organic resin particle.
Wherein, scale glass granularity 0.04-2mm, (300-20 order), thickness are 2-5 μ m, sheet path length 100-3000 μ m.
Wherein, modified resin is CPE (chlorinatedpolyethylene), MBS (methylpropionate-divinyl-stupid ethene), SBS (thermoplastic styrene butadiene rubber), ARC (acrylate resin).
Wherein, compatilizer is PC+ABS compatilizer, phenylethylene/maleic anhydride copolymer compatilizer, maleic anhydride graft AS compatilizer, SMA grafting compatilizer, maleic anhydride MAH-g-ABS and Resins, epoxy NPES-90 combination compatilizer, EPDM (terpolymer EP rubber), EPR (ethylene propylene rubber).
Wherein, coupling agent is silane coupling agent, titanate coupling agent, aluminate coupling agent, aluminium-titanium complex ester coupling agent.
Wherein, UV light absorber is the mixed oxidization titanium that cerium oxide, titanium oxide, rutile-type and anatase type titanium oxide are formed.
Wherein, fire retardant is silicone resin fire retardant or EC (brominated epoxy resin).
Wherein, lubricant is ethylene bis stearic acid amide (EBS), Zinic stearas, paraffin, oxidic polyethylene, polyolefin-based composite material.
Wherein, dispersion agent be glass flake with dispersion agent or metal scale dispersion agent, comprising: fatty acid, aliphatic amide type, lipid, low-molecular-weight wax class, metallic soap class dispersion agent.Acting as at metal scale or glass flake or organic resin scale surface formation homopolarity film of dispersion agent prevents the reunion of glass flake or metal scale.
A kind of preparation method with PC/ABS alloy of low linear expansion coefficient, comprise the steps: one, the preparation of surface modification of metals scale or glass flake: exsiccant metal scale or scale glass are added high-speed mixer mix, when mixing temperature reaches 80-95 ℃, add coupling agent, mix after 3-5 minute, add modified resin, mixed 3-5 minute, make modified resin be wrapped in scale glass or metal scale surface, discharging is standby.Three, the preparation of PC/ABS compound: initiator and compatilizer and PC resin are put into high-speed mixer mix, mix after 2-3 minute, adding ABS continues to mix, mix after 3-5 minute, add the scale glass of surface parcel modified resin or the metal scale of surface parcel modified resin, mix after 2-3 minute, add UV light absorber, fire retardant, mix after 3-5 minute, the compound in the high-speed mixer put into cold mixer is cold to be mixed, be cooled to 30-50 ℃ after discharging standby.Four, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 225-230 ℃, one section 230-240 ℃; two sections 225-235 ℃, three sections 225-235 ℃, four sections 215-220 ℃; five sections 210-215 ℃, the terminal water flowing cooling of mould.
A kind of preparation method with low linear expansion coefficient PVC/ABS alloy, comprise the steps: one, the preparation of surface modification of metals scale or glass flake: exsiccant metal scale or glass flake are added high-speed mixer mix, add coupling agent, mix after 3-5 minute, add modified resin, mixed 3-5 minute, and made modified resin be wrapped in scale glass or metal scale surface, discharging is standby.Two, the preparation of PVC compound: stablizer is put into high-speed mixer with PVC mix, adding compatilizer when temperature reaches 80 ℃ continues to mix, after temperature reaches 100 ℃, add oxidation inhibitor, mix lubricant 3-5 minute, after temperature reached 100 ℃-125 ℃, discharging was standby after the compound in the high-speed mixer put into cold mixer and be cooled to 30-50 ℃.Three, PVC compound and ABS were mixed in cold mixer 3-5 minute, add the metal scale or the surface parcel modified resin glass flake of surface parcel modified resin, mixed 3-5 minute, adding UV light absorber, fire retardant, mixing 2-3 minute discharging are standby.Four, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 160-165 ℃, one section 165-170 ℃; two sections 155-165 ℃, three sections 150-160 ℃, four sections 145-155 ℃; five sections 140-150 ℃, the terminal water flowing cooling of mould.
A kind of preparation method with PC/ABS alloy of low linear expansion coefficient, comprise the steps: one, the preparation of surface modification organic resin scale: exsiccant organic resin scale and coupling agent or compatilizer are added high-speed mixer mix, mix after 3-5 minute, discharging is standby.Three, the preparation of PC/ABS compound: initiator and compatilizer and PC resin are put into high-speed mixer mix, mix after 2-3 minute, adding ABS continues to mix, mix after 3-5 minute, add surface modification organic resin scale, mix after 2-3 minute, add UV light absorber, fire retardant, mix after 3-5 minute, the compound in the high-speed mixer put into cold mixer is cold to be mixed, be cooled to 30-50 ℃ after discharging standby.Four, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 225-230 ℃, one section 230-240 ℃; two sections 225-235 ℃, three sections 225-235 ℃, four sections 215-220 ℃; five sections 210-215 ℃, the terminal water flowing cooling of mould.
A kind of preparation method with low linear expansion coefficient PVC/ABS alloy, comprise the steps: one, the preparation of surface modification organic resin scale: exsiccant organic resin scale and coupling agent or compatilizer are added high-speed mixer mix, mix after 3-5 minute, discharging is standby.Two, the preparation of PVC compound: stablizer is put into high-speed mixer with PVC mix, adding compatilizer when temperature reaches 80 ℃ continues to mix, after temperature reaches 100 ℃, add oxidation inhibitor, mix lubricant 3-5 minute, after temperature reached 100 ℃-125 ℃, discharging was standby after the compound in the high-speed mixer put into cold mixer and be cooled to 30-50 ℃.Three, PVC compound and ABS were mixed in cold mixer 3-5 minute, add surface modification organic resin scale, mixed 3-5 minute, adding UV light absorber, fire retardant, mixing 2-3 minute discharging are standby.Four, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 160-165 ℃, one section 165-170 ℃; two sections 155-165 ℃, three sections 150-160 ℃, four sections 145-155 ℃; five sections 140-150 ℃, the terminal water flowing cooling of mould.
In the foregoing description prescription and the hybrid technique, coupling agent or compatilizer are mixed in organic resin scale surface, improve the bonding strength of organic resin scale and alloy, prevent the reunion of organic resin scale.
Can cancel oxidation inhibitor, dispersion agent, fire retardant, lubricant or UV light absorber as auxiliary addition agent in above-mentioned prescription and the hybrid technique, after the auxiliary addition agent cancellation, corresponding function and hybrid technique disappear.
The 0.5-3% whipping agent be can add in above-mentioned prescription or the working method, foaming PC/ABS or PVC/ABS alloy manufactured.
Mixing time is according to mixing how much can suitably increasing or reduce of quantity in the above-mentioned working method.
Temperature different according to unit type and structure in the above-mentioned working method, temperature allows to fluctuate 10-20 ℃.
Embodiment:
For ease of the present invention is further understood, now in conjunction with specific embodiments the present invention is further described.
Embodiment 1:
Prescription:
10 parts of PC (GE 114R), 60 parts of ABS (PA757), 25 parts of modified resin SAN (KIBISAN), 1 part of compatilizer maleic anhydride (MAH), 0.05 part of initiator dicumyl peroxide (DCP), metal scale or 20 parts of glass flakes, 3 parts of dispersion agents (ethylene bis stearic acid amide), coupling agent KH5500.5 part, 7 parts of expanding material MPC1501,1 part of silicone resin fire retardant, 1 part in cerium oxide ultraviolet absorption agent.
Hybrid technique comprises the steps:
One, the preparation of surface modification of metals scale or glass flake: 20 parts of exsiccant metal scales or scale glass are added the high-speed mixer mixing, when mixing temperature reaches 80-95 ℃, add 0.5 part of KH550 silane coupling agent, mix after 3-5 minute, add 25 parts of SAN (KIBISAN) modified resin, mixed 3-5 minute, and made SAN modified resin be wrapped in scale glass or metal scale surface, discharging is standby.Two, the preparation of PC/ABS compound: 0.05 part of initiator dicumyl peroxide (DCP) and 1 part of compatilizer maleic anhydride (MAH) and 10 parts of PC resins are put into high-speed mixer mix, mix after 2-3 minute, adding 60 parts of ABS (PA757) continues to mix, mixed 3-5 minute, add the scale glass of surface parcel SAN resin or the metal scale of surface parcel SAN resin, mixed 3-5 minute, add 1 part of cerium oxide ultraviolet absorption agent, 7 parts of expanding material MPC1501,1 part of silicone resin fire retardant, mix after 3-5 minute, discharging was standby after the compound in the high-speed mixer was put into cold mixer and is cooled to 30-50 ℃.Three, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 225-230 ℃, one section 230-240 ℃; two sections 225-235 ℃, three sections 225-235 ℃, four sections 215-220 ℃; five sections 210-215 ℃, the terminal water flowing cooling of mould.
The advantage of present embodiment is: 1, the scale glass of surface parcel SAN modified resin or metal scale and PC resin and ABS resin all have good consistency, scale glass or metal scale reduce the PC/ABS alloy wire coefficient of expansion, improve shock resistance and toughness.2, the scale glass of surface parcel SAN modified resin or metal scale and PC resin and ABS resin friction resistance are little, improve the flowing property that resin melts body.
Embodiment 2:
Prescription: 70 parts of PVC (SG-5), 30 parts of ABS (LG-121), 15 parts of modified resin CPE (CL36%), metal scale or 15 parts of glass flakes, 1 part of dispersion agent (ethylene bis stearic acid amide), 6 parts of stablizers (lead sulfate tribasic), 8 parts of stablizers (dibasic lead phosphite), 2 parts of KH550 silane coupling agents, 1 part of antioxidant 1010,2 parts of lubricants (paraffin), 2 parts of properties-correcting agent (ACR 201), 1 part of silicone resin fire retardant, 1 part in cerium oxide ultraviolet absorption agent.
Hybrid technique comprises the steps:
One, the preparation of surface modification of metals scale or glass flake: with 15 parts of exsiccant metal scales or glass flake and the mixing of 1 part of dispersion agent (ethylene bis stearic acid amide) adding high-speed mixer, mix after 2-3 minute, add 2 parts of KH550 silane coupling agents, mix after 3-5 minute, add 15 parts of CPE modified resin, mixed 3-5 minute, and made CPE modified resin be wrapped in metal scale or glass flake surface, discharging is standby.Two, the preparation of PVC/ABS compound: 6 parts of stablizers (lead sulfate tribasic) and 8 parts of stablizers (dibasic lead phosphite) are put into high-speed mixer with 70 parts of PVC (SG-5) mix, adding 2 parts of properties-correcting agent (ACR 201) when temperature reaches 80 ℃ continues to mix, after temperature reaches 100 ℃, adding 30 parts of ABS (LG-121) mixed 3-5 minute, add parcel CPE metal scale or parcel CPE resin glass scale, mixed 3-5 minute, add 1 part of antioxidant 1010,2 parts of paraffin lubricants, 1 part of cerium oxide ultraviolet absorption agent, 1 part of silicone resin fire retardant, mixed 3-5 minute, discharging was standby after the compound in the high-speed mixer was put into cold mixer and is cooled to 30-50 ℃.Three, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 160-165 ℃, one section 165-170 ℃; two sections 155-165 ℃, three sections 150-160 ℃, four sections 145-155 ℃; five sections 140-150 ℃, the terminal water flowing cooling of mould.
The advantage of present embodiment is: 1, the scale glass of surface parcel CPE modified resin or metal scale and polyvinyl chloride resin and ABS resin all have good consistency, stacked scale glass or metal scale or PC organic resin scale are by connecting the resin mutual restriction between scale, reduce the PVC/ABS alloy wire coefficient of expansion, improve shock resistance and toughness.2, the scale glass of surface parcel CPE modified resin or metal scale and polyvinyl chloride resin and ABS resin friction resistance are little, improve the flowing property that resin melts body.When 3, parcel CPE modified resin metal scale or parcel CPE modified resin glass flake or PC organic resin scale flow in molten resin, always with least resistance direction oriented alignment and mobile, promptly arrange and flow with melt flow stream working direction level, so, parcel CPE modified resin metal scale or parcel CPE modified resin glass flake or PC organic resin scale form the scale by the orderly oriented alignment of multilayer horizontal stacking automatically in the PVC/ABS alloy melt, improve shock resistance, cracking resistance line performance, the corrosion resistance of alloy.
Embodiment 3:
Prescription: 70 parts of PVC (SG-5), 30 parts of ABS (LG-121), 15 parts of CPE (CL36%), 15 parts on PC organic resin scale, 1 part of dispersion agent (ethylene bis stearic acid amide), 6 parts of stablizers (lead sulfate tribasic), 8 parts of stablizers (dibasic lead phosphite), 2 parts of KH550 silane coupling agents, 1 part of antioxidant 1010,2 parts of lubricants (paraffin), 2 parts of properties-correcting agent (ACR 201), 1 part of silicone resin fire retardant, 1 part in cerium oxide ultraviolet absorption agent.
Hybrid technique comprises the steps:
One, the preparation of surface modification PC organic resin scale: 15 parts of exsiccant PC organic resin scales and 1 part of dispersion agent (ethylene bis stearic acid amide) are added the high-speed mixer mixing, mix after 2-3 minute, add 2 parts of KH550 silane coupling agents, mix after 3-5 minute, discharging is standby.Two, the preparation of PVC/ABS compound: 6 parts of (lead sulfate tribasic) stablizers and 8 parts of (dibasic lead phosphite) stablizers are put into high-speed mixer with 70 parts of PVC (SG-5) mix, adding 2 parts of properties-correcting agent (ACR 201) when temperature reaches 80 ℃ continues to mix, after temperature reaches 100 ℃, adding 30 parts of ABS (LG-121) mixed 3-5 minute, adding is through the PC of modification organic resin scale, mixed 3-5 minute, add 1 part of antioxidant 1010,2 parts of paraffin lubricants, 1 part of cerium oxide ultraviolet absorption agent, 1 part of silicone resin fire retardant, mixed 3-5 minute, discharging was standby after the compound in the high-speed mixer was put into cold mixer and is cooled to 30-50 ℃.Three, on forcing machine with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 160-165 ℃, one section 165-170 ℃; two sections 155-165 ℃, three sections 150-160 ℃, four sections 145-155 ℃; five sections 140-150 ℃, the terminal water flowing cooling of mould.
Embodiment 4:
Prescription:
10 parts of PC (GE 114R), 60 parts of ABS (PA757), SAN25 part, 1 part of compatilizer maleic anhydride (MAH), 0.05 part of initiator dicumyl peroxide (DCP), 20 parts on metal (NI80%, Fe20%) scale, 2 parts of titanate coupling agents, 3 parts of dispersion agents (ethylene bis stearic acid amide), coupling agent KH5500.5 part, 7 parts of expanding material MPC1501,1 part of silicone resin fire retardant, 1 part in cerium oxide ultraviolet absorption agent.
Hybrid technique comprises the steps:
One, the preparation of surface modification of metals (Ni80%, Fe20%) scale: 20 parts of exsiccant metals (NI80%, Fe20%) scale and 2 parts of titanate coupling agents are added the high-speed mixer mixing, when mixing temperature reaches 80-95 ℃, add 25 parts of SAN (KIBISAN) modified resin, mixed 3-5 minute, make SAN modified resin be wrapped in metal (Ni80%, Fe20%) scale surface, discharging is standby.Two, the preparation of PC/ABS compound: 0.05 part of initiator dicumyl peroxide (DCP) and 1 part of compatilizer maleic anhydride (MAH) and 10 parts of PC resins are put into high-speed mixer mix, mix after 2-3 minute, adding 60 parts of ABS (PA757) continues to mix, mixed 3-5 minute, metal (the NI80% that adds surface parcel SAN resin, Fe20%) scale, mixed 3-5 minute, add 1 part of cerium oxide ultraviolet absorption agent, 7 parts of expanding material MPC1501,1 part of silicone resin fire retardant, mix after 3-5 minute, discharging was standby after the compound in the high-speed mixer was put into cold mixer and is cooled to 30-50 ℃.Three, on twin screw extruder with the material extruding pelletization that mixes, extruder temperature is: head 225-230 ℃, one section 230-240 ℃, two sections 225-235 ℃, three sections 225-235 ℃, four sections 215-220 ℃, five sections 210-215 ℃, the terminal water flowing cooling of mould.
The advantage of present embodiment is: add strong magnetic metal (NI80%, Fe20%) scale in the PC/ABS alloy, by the magneticinduction between stacked flaky strong magnet metal scale, improve the antimagnetic function of PC/ABS alloy.
Claims (10)
1. a PC/ABS or the PVC/ABS alloy with low linear expansion coefficient comprises: metal scale or glass flake or organic resin scale, macromolecule resin (PC, PVC, ABS), dispersion agent, coupling agent, expanding material, catalyzer, oxidation inhibitor, properties-correcting agent, fire retardant, lubricant, UV light absorber is characterized in that: by adding weight proportion in PC/ABS or the PVC/ABS component alloy is metal scale or the glass flake or the organic resin scale of 10 parts of-60 parts of surface modifications.
2. the PC/ABS alloy that has low linear expansion coefficient according to claim 1 is characterized in that: it forms weight proportion is (part):
PC 10-15 part
ABS 75-80 part
SAN 25-30 part
Metal scale or glass flake or organic resin scale 10-30 part
Maleic anhydride (MAH) 1-1.5 part
0.05 part of dicumyl peroxide (DCP)
Coupling agent 0.5-5 part
Lubricant 1-2 part
Fire retardant 1-4 part
UV light absorber 0.5-2 part.
3. have the PVC/ABS alloy of low linear expansion coefficient according to claim 1, it is characterized in that: it is formed weight proportion and is (part):
PVC 60-80 part
ABS 20-40 part
CPE 6-10 part
Metal scale or glass flake or organic resin scale 10-60 part
Stablizer 6-8 part
Coupling agent 0.5-6 part
Oxidation inhibitor 1-2 part
Lubricant 1-2 part
Properties-correcting agent 2-3 part
Fire retardant 1-2 part
UV light absorber 0.5-2 part.
4. have the PC/ABS alloy or the PVC/ABS alloy of low linear expansion coefficient according to claim 1, it is characterized in that: described metal scale is metallic aluminium, copper, zinc, iron, steel, nickel, tin and alloy scale thereof, thickness 0.1-0.4um, sheet path length 15-20um.
5. the PC/ABS alloy or the PVC/ABS alloy that have low linear expansion coefficient according to claim 1, it is characterized in that: described organic resin scale, comprise: polyamide (PA), polycarbonate (PC), Noryl (MODIFIED PP O), polymethylmethacrylate (PMMA), polybutylene terephthalate (PBT), polyethylene terephthalate (GF-PET), ultrahigh molecular weight polyethylene(UHMWPE) (UHMWPE), polysulfones (PSF), polyethersulfone (PES), polyphenylene sulfide (PPS), polyarylester (PAR), polyamide-imide (PAI), polyimide (PEI), polyether-ether-ketone (PEEK), polyimide (PI), liquid crystalline polymers (LCP), the scale of making, thickness 0.1-5um, sheet path length 10-3000um.
6. have the PC/ABS alloy or the PVC/ABS alloy of low linear expansion coefficient according to claim 1, it is characterized in that: described modified resin comprises: CPE (chlorinatedpolyethylene), MBS (methylpropionate-divinyl-stupid ethene), SBS (thermoplastic styrene butadiene rubber), ARC (acrylate resin).
7. have the PC/ABS alloy or the PVC/ABS alloy of low linear expansion coefficient according to claim 1, it is characterized in that: described compatilizer comprises: PC+ABS compatilizer, phenylethylene/maleic anhydride copolymer compatilizer, maleic anhydride graft AS compatilizer, SMA grafting compatilizer, maleic anhydride MAH-g-ABS compatilizer, maleic anhydride MAH-g-ABS and Resins, epoxy NPES-90 combination compatilizer, EPDM (terpolymer EP rubber).
8. have the PC/ABS alloy or the PVC/ABS alloy of low linear expansion coefficient according to claim 1, it is characterized in that: described coupling agent is silane coupling agent, titanate coupling agent, aluminate coupling agent, aluminium-titanium complex ester coupling agent, aluminium zirconium ester coupling agent.
9. one kind as having the preparation method of the PC/ABS alloy of low linear expansion coefficient as described in the claim 2, comprise the steps: one, the preparation of surface modification of metals scale or glass flake or organic resin scale: exsiccant metal scale or scale glass or organic resin scale are added high-speed mixer mix, when mixing temperature reaches 80-95 ℃, add coupling agent or expanding material, mix after 3-5 minute, discharging is standby.Two, surface modification of metals scale or glass flake add modified resin, mix 3-5 minute, make modified resin be wrapped in scale glass or metal scale surface.Three, the preparation of PC/ABS compound: initiator and compatilizer and PC resin are put into high-speed mixer mix, mix after 2-3 minute, adding ABS continues to mix, mix after 3-5 minute, add the scale glass of surface parcel modified resin or the metal scale or the organic resin scale of surface parcel modified resin, mix after 2-3 minute, add UV light absorber, fire retardant, mix after 3-5 minute, discharging was standby after the compound in the high-speed mixer was put into cold mixer and is cooled to 30-50 ℃.Four, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 225-230 ℃, one section 230-240 ℃; two sections 225-235 ℃, three sections 225-235 ℃, four sections 215-220 ℃; five sections 210-215 ℃, the terminal water flowing cooling of mould.
Among the above-mentioned preparation method, when using the organic resin scale, cancellation step two.
10. one kind as having the preparation method of low linear expansion coefficient PVC/ABS alloy as described in the claim 3, comprise the steps: one, the preparation of surface modification of metals scale or glass flake or organic resin scale: exsiccant metal scale or glass flake or organic resin scale are added high-speed mixer mix, add coupling agent, mix after 3-5 minute, discharging is standby.Two, surface modification of metals scale or glass flake add modified resin, mix 3-5 minute, make modified resin be wrapped in scale glass or metal scale surface.Three, the preparation of PVC compound: stablizer is put into high-speed mixer with PVC mix, adding compatilizer when temperature reaches 80 ℃ continues to mix, after temperature reaches 100 ℃, add oxidation inhibitor, mix lubricant 3-5 minute, after temperature reached 100 ℃-125 ℃, discharging was standby after the compound in the high-speed mixer put into cold mixer and be cooled to 30-50 ℃.Four, PVC compound and ABS were mixed in cold mixer 3-5 minute, the metal scale or surface parcel modified resin glass flake or the surface modification organic resin scale that add surface parcel modified resin, mixed 3-5 minute, it is standby to add UV light absorber, fire retardant, mixing 2-3 minute discharging.Four, on twin screw extruder with the material extruding pelletization or the extrusion moulding that mix, extruder temperature is: head 160-165 ℃, one section 165-170 ℃; two sections 155-165 ℃, three sections 150-160 ℃, four sections 145-155 ℃; five sections 140-150 ℃, the terminal water flowing cooling of mould.
Among the above-mentioned preparation method, when using the organic resin scale, cancellation step two.
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Application publication date: 20110727 |