CN108587106B - Spraying-free matte PC-ABS alloy material and preparation method thereof - Google Patents

Spraying-free matte PC-ABS alloy material and preparation method thereof Download PDF

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CN108587106B
CN108587106B CN201810442932.XA CN201810442932A CN108587106B CN 108587106 B CN108587106 B CN 108587106B CN 201810442932 A CN201810442932 A CN 201810442932A CN 108587106 B CN108587106 B CN 108587106B
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CN108587106A (en
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王正有
徐青华
但伟军
夏梦阁
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Nanjing Yuebei New Material Technology Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE

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Abstract

The application discloses a spraying-free matte PC-ABS alloy material and a preparation method thereof, wherein the raw materials comprise PC, epoxy compound, ABS, PMI, mica powder, ultraviolet absorbent, compatilizer, antioxidant, lubricant, calcium carbonate, carbon fiber, titanium oxide fiber, glass fiber, polyethylene glycol, EBS, MBS, HDPE, flame retardant, PTT fiber and EVA; epoxy functional groups react with terminal hydroxyl groups of PC to enable the PC to be branched or partially crosslinked, relative molecular mass is improved, end group concentration is reduced, compatibility of PC and an ABS interface is reduced compared with that before branching, a macromolecular chain segment of the material starts to curl, mica powder is added in a compounding mode, the macromolecular chain segment curls, meanwhile, free space is filled with inorganic mineral powder, and accordingly lines are extruded out of the material, the surface of extruded particles is concave-convex and slightly roughened, parts obtained through injection molding show low-gloss characteristics, and meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics.

Description

Spraying-free matte PC-ABS alloy material and preparation method thereof
Technical Field
The invention relates to the technical field of high polymer materials, in particular to a spraying-free matte PC-ABS alloy material and a preparation method thereof.
Background
Polycarbonate (PC) is an engineering plastic with outstanding performance, has higher impact toughness, heat resistance, rigidity and creep resistance, and simultaneously has excellent dimensional stability and poor processing fluidity; acrylonitrile-butadiene-styrene (ABS) is an engineering plastic with excellent performance and wide application, has the excellent characteristics of high impact strength, easy molding and processing and the like, and has low heat resistance. The PC/ABS alloy integrates the advantages of PC and ABS, has complementary properties, and can be widely applied to mechanical industry, automobile industry, electronic and electric appliance industry, instrument and meter industry, textile industry, building industry and the like. However, the common PC/ABS alloy material for automobiles has high gloss, is easy to generate dizziness feeling and fatigue for drivers, and is mostly sprayed with matte paint at present.
The spraying-free matte PC/ABS alloy is adopted, the spraying-free matte PC/ABS alloy is environment-friendly, the spraying cost is saved, the driving is safe, and the spraying-free matte PC/ABS alloy is widely applied to workpieces such as automobile instrument boards, center consoles, steering column side protection plates, decoration strips, decoration rings and the like, so that the spraying-free matte PC/ABS alloy is researched, developed and produced and has a wide application prospect.
Chinese patent 2015106877219 discloses a low-cost mineral-reinforced halogen-free flame-retardant PC/ABS material and a preparation method thereof, wherein the material comprises 5-65% of PC return material, 6-18% of ABS, 5-25% of mineral filler, 7-17% of halogen-free flame retardant, 0.5-4.0% of compatilizer, 0.5-3.0% of toughening agent, 0.3-2.5% of processing aid, 0.2-1.0% of antioxidant and anti-dripping agent, 0.1-2.0% of black master batch, the PC return material is at least one of low-solubility PC return material, medium-solubility PC return material and high-solubility PC return material, and the ABS is acrylonitrile-butadiene-styrene copolymer with the fluidity of 20-40 g/10 min; the prepared halogen-free flame-retardant PC/ABS material has low cost, good fluidity, good mechanical property and flame retardance, and can be applied to the field of black household appliances; effectively digest various PC returns and wastes, change waste into valuables, simultaneously contribute to energy conservation and environmental protection, greatly reduce carbon emission, and meet the development requirement of circular economy, but the prior art is slightly deficient in consideration of the aspects of spraying-free property, matte property, scratch-resistant property and the like.
Chinese patent 201611077944.4 discloses a composite injection molding material with high flame retardance, yellowing resistance and pearly luster effect, the PC/ABS material comprises an outer layer and an inner layer, the outer layer is a transparent PC material, and the inner layer is an opaque PC/ABS composite material; the PC/ABS composite material comprises the following components in parts by weight: PC, ABS, a flame retardant, a flow modifier, mica powder, a compatilizer, a toughening modifier, fluorescent powder, a toner dispersing agent, toner, an injection molding improvement aid, an anti-UV aid, an antioxidant and an ultraviolet absorber. In conclusion, the prepared composite material has better mechanical property and yellowing resistance, but the prior art is slightly insufficient in the aspects of spraying-free property, matte property, scratch resistance and the like.
Chinese patent 201611077919.6 discloses a composite injection molding material, which comprises an outer layer and an inner layer, wherein the outer layer is made of transparent PC material, and the inner layer is made of opaque PC/ABS composite material; the PC/ABS composite material comprises the following components in parts by weight: PC: 48-68 parts of ABS: 15-30 parts of flame retardant: 3.5-7.5 parts of flow modifier: 3-7.5 parts of decorative bright powder: 0.15-5 parts of a compatilizer: 2.5-5.5 parts of toughening modifier: 2.5-5.5 parts of toner dispersant: 0.5-2.5 parts of toner: 0.1-0.65 parts of ultraviolet light absorber: 0.05-0.25 part of injection molding improvement auxiliary agent: 0.35-1 part of anti-UV auxiliary agent: 0.1-0.5 parts of antioxidant: 0.1 to 0.5 portion. In conclusion, the prepared composite material has better peel strength and still has better peel strength under long-time illumination conditions, but the prior art is slightly insufficient in the aspects of spraying-free property, matte property, scratch resistance and the like.
Disclosure of Invention
The technical problem to be solved is as follows:
the application aims at the technical problems that the conventional PC-ABS alloy material is poor in spraying-free property, matte property and scratch-resistant property and the like, and provides a spraying-free matte PC-ABS alloy material and a preparation method thereof.
The technical scheme is as follows:
the spraying-free matte PC-ABS alloy material comprises the following raw materials in parts by weight: the flame-retardant ABS plastic comprises, by weight, PC60-70 parts, epoxy compounds 5-10 parts, ABS26-36 parts, PMI2-10 parts, mica powder 1-5 parts, ultraviolet absorbers 0.4 parts, compatilizers 4 parts, antioxidants 0.2 part, lubricants 0.2 part, calcium carbonate 3-10 parts, carbon fibers 3-4 parts, titanium oxide fibers 1.5-5.5 parts, glass fibers 1-10 parts, polyethylene glycol 10-20 parts, EBS4-8 parts, MBS15-20 parts, HDPE5-10 parts, flame retardants 1-5 parts, PTT fibers 10-30 parts and EVA1.4-1.8 parts.
As a preferred technical scheme of the invention: the epoxy compound is bisphenol propane epoxy resin, ethylene oxide, propylene oxide, butylene oxide, tetrachlorofuran or epichlorohydrin.
As a preferred technical scheme of the invention: the ultraviolet absorbent adopts UV-327 or UV-P.
As a preferred technical scheme of the invention: the compatilizer adopts ABS-g-MAH, LLDPE-g-MAH, SAN-g-MMA, SAN-g-GMA or SBS-g-DABPA.
As a preferred technical scheme of the invention: the antioxidant is antioxidant 1010, antioxidant DLTP, antioxidant DSTP, antioxidant 2245, antioxidant 1076 or antioxidant 168.
As a preferred technical scheme of the invention: the lubricant is hydrocarbon liquid paraffin, natural paraffin, microcrystalline paraffin or polyethylene wax.
As a preferred technical scheme of the invention: the flame retardant is antimony trioxide, magnesium hydroxide, triphenyl phosphate or decabromodiphenyl ether.
As a preferred technical scheme of the invention: the preparation method of the spraying-free matte PC-ABS alloy material comprises the following steps:
the first step is as follows: weighing PC, epoxy compound, ABS, PMI, mica powder, ultraviolet absorbent, compatilizer, antioxidant, lubricant, calcium carbonate, carbon fiber, titanium oxide fiber, glass fiber, polyethylene glycol, EBS, MBS, HDPE, flame retardant, PTT fiber and EVA;
the second step is that: putting PC, epoxy compound, ABS, mica powder, ultraviolet absorbent, compatilizer, antioxidant and lubricant into a reaction kettle provided with a stirrer and a thermometer, uniformly stirring, heating to 80-100 ℃, stirring for 5-10min at the stirring speed of 100-;
the third step: adding the rest raw materials, putting into a kneader, kneading for 20-40min at the temperature of 100-120 ℃, melting and blending by a double-screw extruder, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the rotating speed of the screw is 300-600 revolutions per minute.
Has the advantages that:
compared with the prior art, the spraying-free matte PC-ABS alloy material and the preparation method thereof have the following technical effects: 1. in the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groups, the epoxy functional group can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, meanwhile, the free space is filled with inorganic mineral powder, the surface of extruded lines and extruded particles is slightly roughened, parts obtained by injection molding show low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, the K31 dermatoglyph 60 DEG Gloss (GU) is 1.7-3.5, and the oxygen index is 36-44%, melt flow index of 12-16g/10min, Mohs hardness of 30-40 and notch impact strength of 41-52kJ/m22, the PC/ABS alloy modified by adding the epoxy compound and the inorganic mica powder generates a synergistic effect so as to have excellent low-gloss characteristic, 10N wear-resistant △ L1.15-1.48, compression permanent deformation 25-45%, compression strength 60-100MPa, bending strength 90-100MPa, bending modulus 2.5-2.9GPa, tensile strength 48-58MPa, 3, the PC/ABS alloy modified by adding the epoxy compound and the inorganic mica powder generates a synergistic effect so as to have excellent wear-resistant characteristic, Martin heat-resistant temperature is 85-105 ℃, and heat distortion temperature is 100-The coating has the characteristics of being particularly suitable for spraying-free matte inner and outer decorations of automobiles, such as parts of instrument boards, auxiliary instrument boards, steering wheels and the like, and being suitable for spraying-free matte office supply shells of printers, fax machines and the like, the tearing strength is 500 plus materials/m, the impact resilience is 45-65%, the abrasion loss is 0.3-0.5 mu m/time, and the mechanical property is good; 5. low cost, simple preparation method, and wide application in replacing available materials.
Detailed Description
Example 1:
weighing 60 parts of PC, 5 parts of epoxy compound, 36 parts of ABS, 2 parts of PMI, 1 part of mica powder, 0.4 part of ultraviolet absorbent UV-P, 4 parts of ABS-g-MAH compatilizer, 0.2 part of antioxidant 168, 0.2 part of lubricant, 3 parts of calcium carbonate, 3 parts of carbon fiber, 1.5 parts of titanium oxide fiber, 1 part of glass fiber, 10 parts of polyethylene glycol, 4 parts of EBS, 15 parts of MBS, 5 parts of HDPE, 1 part of flame retardant magnesium hydroxide, 10 parts of PTT fiber and 1.4 parts of EVA according to the weight part ratio.
Putting PC, epoxy compound, ABS, mica powder, ultraviolet absorbent, ABS-g-MAH compatilizer, antioxidant 168 and lubricant into a reaction kettle provided with a stirrer and a thermometer, stirring uniformly, heating to 80 ℃, and stirring for 5min at the stirring speed of 100 revolutions per minute.
Adding the rest raw materials, putting into a kneader, kneading for 20min at 100 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 300 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, the epoxy compound has a plurality of epoxy groups, wherein epoxy functional groups can react with terminal hydroxyl groups of the PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration of the PC is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, and the mica powder is added in a compounding manner to enable the macromolecular molecule to be large in sizeThe chain segment is curled, meanwhile, the free space is filled with inorganic mineral powder, so that the extruded lines of the material and the surface of extruded particles are concave-convex and slightly roughened, parts obtained by injection molding have low gloss, and meanwhile, the inorganic mineral enables the material to have wear resistance, K31 has 60-degree gloss GU3.5 with dermatoglyph, the oxygen index is 36%, the melt flow index is 12g/10min, the Mohs hardness is 30, and the notch impact strength is 52kJ/m2The PC/ABS alloy material modified by adding the epoxy compound and the inorganic mica powder has excellent low-gloss characteristic, 10N wear resistance of △ L1.48, compression permanent deformation of 25%, compression strength of 60MPa, bending strength of 90MPa, bending modulus of 2.5GPa and tensile strength of 49MPa, and excellent wear resistance, namely martin heat resistance of 85 ℃ and thermal deformation temperature of 100 ℃, and is particularly suitable for spraying-free matte internal and external decorations of automobiles, such as instrument panels, auxiliary instrument panels, steering wheels and other workpieces, and is also suitable for spraying-free matte office product shells of printers, fax machines and the like, the tear strength of 500N/m, the impact resilience of 45%, the abrasion loss of 0.5 mu m/time, the mechanical property is good, the cost is low, the preparation method is simple, and the PC/ABS alloy material can be widely produced and continuously replace the existing material.
Example 2:
weighing 60 parts of PC, 8 parts of epoxy compound, 36 parts of ABS, 2 parts of PMI, 1 part of mica powder, 0.4 part of ultraviolet absorber UV-327, 4 parts of LLDPE-g-MAH compatilizer, 0.2 part of antioxidant 168, 0.2 part of lubricant, 10 parts of calcium carbonate, 4 parts of carbon fiber, 5.5 parts of titanium oxide fiber, 10 parts of glass fiber, 20 parts of polyethylene glycol, 8 parts of EBS, 20 parts of MBS, 10 parts of HDPE, 5 parts of flame retardant magnesium hydroxide, 30 parts of PTT fiber and 1.8 parts of EVA according to the weight part ratio.
PC, epoxy compound, ABS, mica powder, ultraviolet absorbent, LLDPE-g-MAH compatilizer, antioxidant 168 and lubricant are put into a reaction kettle provided with a stirrer and a thermometer to be stirred uniformly, the temperature is raised to 100 ℃, the stirring is carried out for 10min, and the stirring speed is 250 revolutions per minute.
Adding the rest raw materials, putting into a kneader, kneading for 40min at 120 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 600 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groups, the epoxy functional groups can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, meanwhile, the free space is filled with inorganic mineral powder, the surface of extruded lines and extruded particles is slightly roughened, parts obtained by injection molding show low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, K31 dermatoglyph 60 DEG gloss GU3.0, the oxygen index is 40%, and the melt flow index is 14g/10min, mohs hardness of 35 and notch impact strength of 50kJ/m2The PC/ABS alloy material modified by adding the epoxy compound and the inorganic mica powder has excellent low-gloss characteristic, 10N wear resistance of △ L1.39, compression permanent deformation of 35%, compression strength of 80MPa, bending strength of 95MPa, bending modulus of 2.7GPa and tensile strength of 50MPa, and excellent wear resistance, martin heat resistance temperature of 95 ℃ and thermal deformation temperature of 105 ℃ due to the synergistic effect of the PC/ABS alloy modified by adding the epoxy compound and the inorganic mica powder, is particularly suitable for spraying-free matte internal and external decorations of automobiles, such as instrument panels, auxiliary instrument panels, steering wheels and other workpieces, is also suitable for spraying-free matte office product shells of printers, fax machines and the like, has the tearing strength of 700N/m, the impact resilience of 55%, the abrasion loss of 0.4 mu m/time, is good in mechanical property, low in cost and simple in preparation method, can be widely produced and can continuously replace the existing materials.
Example 3:
weighing 60 parts of PC, 10 parts of epoxy compound, 36 parts of ABS, 2 parts of PMI, 1 part of mica powder, 0.4 part of ultraviolet absorber UV-327, 4 parts of SAN-g-MAH compatilizer, 0.2 part of antioxidant 2245, 0.2 part of lubricant, 6.5 parts of calcium carbonate, 3.5 parts of carbon fiber, 3.5 parts of titanium oxide fiber, 5 parts of glass fiber, 15 parts of polyethylene glycol, 6 parts of EBS, 18 parts of MBS18, 8 parts of HDPE, 3 parts of flame retardant magnesium hydroxide, 20 parts of PTT fiber and 1.6 parts of EVA according to the weight part ratio.
Putting PC, epoxy compound, ABS, mica powder, ultraviolet absorbent, SAN-g-MAH compatilizer, antioxidant 2245 and lubricant into a reaction kettle provided with a stirrer and a thermometer, stirring uniformly, heating to 90 ℃, and stirring for 8min at the stirring speed of 170 revolutions per minute.
Adding the rest raw materials, putting into a kneader, kneading for 30min at 110 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 450 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groups, the epoxy functional groups can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, meanwhile, the free space is filled with inorganic mineral powder, the surface of extruded lines and extruded particles is slightly roughened, parts obtained by injection molding show low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, the K31 dermatoglyph 60 DEG gloss GU2.2, the oxygen index is 44%, and the melt flow index is 16g/10min, mohs hardness of 40 and notched impact strength of 49kJ/m2(ii) a The PC/ABS alloy modified by adding the epoxy compound and the inorganic mica powder generates a synergistic effect, so that the PC/ABS alloy has excellent low-gloss characteristic and 10N (nitrogen) resistance△ L1.42 is ground, the compression permanent deformation is 45%, the compression strength is 100MPa, the bending modulus is 2.9GPa, the tensile strength is 48MPa, the PC/ABS alloy modified by adding the epoxy compound and the inorganic mica powder generates a synergistic effect, so that the PC/ABS alloy material has excellent wear-resisting property, the martin heat-resisting temperature is 105 ℃, and the thermal deformation temperature is 110 ℃, and the PC/ABS alloy material has excellent matte property and wear-resisting property, is particularly suitable for spraying-free matte interior and exterior trim parts of automobiles, such as parts of instrument panels, auxiliary instrument panels, steering wheels and the like, is also suitable for spraying-free matte office product shells of printers, fax machines and the like, and has the tearing strength of 900N/m, the impact resilience of 65%, the abrasion loss of 0.3 mu m/time, good mechanical properties, low cost and simple preparation
It can be widely produced and continuously replace the existing materials.
Example 4:
weighing 60 parts of PC, 10 parts of epoxy compound, 36 parts of ABS, 2 parts of PMI, 5 parts of mica powder, 0.4 part of ultraviolet absorber UV-P, 4 parts of SAN-g-MMA compatilizer, 0.2 part of antioxidant 1076, 0.2 part of lubricant, 7 parts of calcium carbonate, 3.5 parts of carbon fiber, 2.5 parts of titanium oxide fiber, 6 parts of glass fiber, 15 parts of polyethylene glycol, 5 parts of EBS, 17 parts of MBS, 7 parts of HDPE, 2 parts of flame retardant antimony trioxide, 15 parts of PTT fiber and 1.5 parts of EVA according to the weight part ratio.
Putting PC, epoxy compound, ABS, mica powder, ultraviolet absorbent UV-P, SAN-g-MMA compatilizer, antioxidant 1076 and lubricant into a reaction kettle provided with a stirrer and a thermometer, stirring uniformly, heating to 80-100 ℃, and stirring for 6min at the stirring speed of 150 revolutions per minute.
Adding the rest raw materials, putting into a kneader, kneading for 25min at 105 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 400 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groupsThe epoxy functional group can react with terminal hydroxyl of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the terminal group concentration of the branched or crosslinked PC is reduced, the compatibility of the PC and an ABS interface is reduced compared with that before branching, a macromolecular chain segment of the material starts to curl, mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, and meanwhile, a free space is filled with inorganic mineral powder, so that extrusion lines and extrusion particle surfaces of the material are concave-convex and micro-roughened, parts obtained by injection molding have low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, K31 dermatoglyph 60-degree gloss GU1.7, the oxygen index is 38%, the melt flow index is 13g/10min, the Mohs hardness is 33, and the notch impact strength is 45kJ2The PC/ABS alloy material modified by adding the epoxy compound and the inorganic mica powder has excellent low-gloss characteristic, 10N wear resistance of △ L1.15, compression permanent deformation of 30%, compression strength of 70MPa, bending strength of 92MPa, bending modulus of 2.6GPa and tensile strength of 56MPa, and excellent wear resistance, martin heat resistance of 90 ℃ and thermal deformation temperature of 102 ℃ due to the synergistic effect of the PC/ABS alloy modified by adding the epoxy compound and the inorganic mica powder, is particularly suitable for spraying-free matte internal and external decorations of automobiles, such as instrument panels, auxiliary instrument panels, steering wheels and other workpieces, is also suitable for spraying-free matte office product shells of printers, fax machines and the like, has the tearing strength of 550N/m, the impact resilience of 50%, the abrasion loss of 0.35 mu m/time, is good in mechanical property, low in cost and simple in preparation method, can be widely produced and can continuously replace the existing materials.
Example 5:
weighing 70 parts of PC, 5 parts of epoxy compound, 26 parts of ABS, 2 parts of PMI, 1 part of mica powder, 0.4 part of ultraviolet absorber UV-327, 4 parts of SAN-g-GMA compatilizer, 0.2 part of antioxidant 168, 0.2 part of lubricant, 9 parts of calcium carbonate, 3.8 parts of carbon fiber, 4.5 parts of titanium oxide fiber, 8 parts of glass fiber, 18 parts of polyethylene glycol, 7 parts of EBS, 19 parts of MBS, 9 parts of HDPE, 4 parts of flame retardant triphenyl phosphate, 25 parts of PTT fiber and 1.7 parts of EVA according to the weight part ratio.
PC, epoxy compound, ABS, mica powder, ultraviolet absorbent, SAN-g-GMA compatilizer, antioxidant 168 and lubricant are put into a reaction kettle provided with a stirrer and a thermometer to be stirred uniformly, the temperature is raised to 95 ℃, the stirring is carried out for 9min, and the stirring speed is 220 r/min.
Adding the rest raw materials, putting into a kneader, kneading for 30min at 110 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 500 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groups, the epoxy functional groups can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, meanwhile, the free space is filled with inorganic mineral powder, the surface of extruded lines and extruded particles is slightly roughened, parts obtained by injection molding show low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, the K31 dermatoglyph 60 DEG gloss GU3.8, the oxygen index is 42%, and the melt flow index is 15g/10min, mohs hardness of 37 and notch impact strength of 50kJ/m2The PC/ABS alloy material added with the epoxy compound and the inorganic mica powder generates a synergistic effect so as to have excellent low-gloss characteristic, 10N wear resistance is △ L1.16, compression permanent deformation is 25-45%, compression strength is 90MPa, bending strength is 98MPa, bending modulus is 2.8GPa, tensile strength is 54MPa, the PC/ABS alloy material added with the epoxy compound and the inorganic mica powder generates a synergistic effect so as to have excellent wear resistance, Martin heat resistance temperature is 100 ℃, and thermal deformation temperature is 108 ℃, and the PC/ABS alloy material has excellent matte characteristic and wear resistance, so that the PC/ABS alloy material is particularly suitable for spraying-free matte internal and external ornaments of automobiles, such as instrument panels and side-by-plate ornamentsThe product is suitable for the shell of the non-spraying matte office supplies such as printers, fax machines and the like, and has the advantages of tear strength of 850N/m, impact resilience of 62 percent, abrasion loss of 0.45 mu m/time and good mechanical property; low cost, simple preparation method, and wide application in replacing available materials.
Example 6:
weighing 70 parts of PC, 8 parts of epoxy compound, 26 parts of ABS, 2 parts of PMI, 1 part of mica powder, 0.4 part of ultraviolet absorber UV-P, 4 parts of SBS-g-DABPA compatilizer, 0.2 part of antioxidant 1010, 0.2 part of lubricant, 4 parts of calcium carbonate, 3.3 parts of carbon fiber, 5 parts of titanium oxide fiber, 9 parts of glass fiber, 19 parts of polyethylene glycol, 5 parts of EBS, 16 parts of MBS, 6 parts of HDPE, 2 parts of flame retardant decabromodiphenyl ether, 12 parts of PTT fiber and 1.5 parts of EVA according to the weight part ratio.
PC, epoxy compound, ABS, mica powder, ultraviolet absorbent UV-P, SBS-g-DABPA compatilizer, antioxidant 1010 and lubricant are put into a reaction kettle provided with a stirrer and a thermometer to be stirred uniformly, the temperature is raised to 85 ℃, and the stirring speed is 110 revolutions per minute, and the stirring is carried out for 6 min.
Adding the rest raw materials, putting into a kneader, kneading for 25min at 105 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 350 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, the epoxy compound has a plurality of epoxy groups, wherein an epoxy functional group can react with terminal hydroxyl groups of the PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and an ABS interface is reduced compared with that before branching, a macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner, so that the macromolecular chain segment curls, meanwhile, the free space is filled with the inorganic mineral powder, the material extrusion line and the surface of an extrusion particle are slightly roughened, and the injection molding is carried out to obtain the PC/ABS alloy materialThe part presents low gloss characteristic, meanwhile, the inorganic mineral enables the material to have wear resistance, K31 dermatoglyph 60 DEG gloss GU3.2, oxygen index 37%, melt flow index 13g/10min, Mohs hardness 33, and notch impact strength 48kJ/m2The PC/ABS alloy material modified by adding the epoxy compound and the inorganic mica powder has excellent low-gloss characteristic, 10N wear resistance of △ L1.18, compression permanent deformation of 30%, compression strength of 65MPa, bending strength of 91MPa, bending modulus of 2.6GPa and tensile strength of 53MPa, and excellent wear resistance, martin heat resistance of 88 ℃ and thermal deformation temperature of 103 ℃, and is particularly suitable for spraying-free matte internal and external decorations of automobiles, such as instrument panels, auxiliary instrument panels, steering wheels and other workpieces, and is also suitable for spraying-free matte office product shells of printers, fax machines and the like, the tear strength of 600N/m, the impact resilience of 48%, the wear loss of 0.37 mu m/time, the mechanical property is good, the cost is low, the preparation method is simple, and the PC/ABS alloy material can be widely produced and continuously replace the existing material.
Example 7:
weighing 70 parts of PC, 10 parts of epoxy compound, 26 parts of ABS, 2 parts of PMI, 1 part of mica powder, 0.4 part of ultraviolet absorber UV-327, 4 parts of ABS-g-MAH compatilizer, 0.2 part of antioxidant DLTP, 0.2 part of lubricant, 4 parts of calcium carbonate, 3.4 parts of carbon fiber, 2.5 parts of titanium oxide fiber, 3 parts of glass fiber, 16 parts of polyethylene glycol, 5.5 parts of EBS, 16.5 parts of MBS, 6.5 parts of HDPE, 3.5 parts of flame retardant decabromodiphenyl ether, 18.5 parts of PTT fiber and 1.45 parts of EVA according to the weight part ratio.
PC, epoxy compound, ABS, mica powder, ultraviolet absorbent, ABS-g-MAH compatilizer, antioxidant DLTP and lubricant are put into a reaction kettle provided with a stirrer and a thermometer to be stirred uniformly, the temperature is raised to 93 ℃, the stirring is carried out for 8.8min, and the stirring speed is 198 r/min.
Adding the rest raw materials, putting into a kneader, kneading at 14 ℃ for 37min, performing melt blending by using a double-screw extruder, and performing extrusion granulation, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 560 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groups, the epoxy functional group can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, meanwhile, the free space is filled with inorganic mineral powder, the surface of extruded lines and extruded particles is slightly roughened, parts obtained by injection molding show low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, the K31 dermatoglyph 60 DEG gloss GU2.4, the oxygen index is 39%, and the melt flow index is 14.5g/10min, mohs hardness of 32 and notch impact strength of 45kJ/m2The PC/ABS alloy material has excellent matte characteristic and wear resistance, is particularly suitable for spraying-free matte internal and external decorations of automobiles, such as instrument panels, auxiliary instrument panels, steering wheels and other workpieces, is also suitable for spraying-free matte office product shells of printers, fax machines and the like, has the tearing strength of 690N/m, the impact resilience of 57 percent and the abrasion loss of 0.46 mu m/time, has good mechanical property, low cost and simple preparation method, and can be widely produced and continuously replace the existing materials.
Example 8:
weighing 70 parts of PC, 10 parts of epoxy compound, 26 parts of ABS, 2 parts of PMI, 5 parts of mica powder, 0.4 part of ultraviolet absorber UV-P, 4 parts of ABS-g-MAH compatilizer, 0.2 part of antioxidant DSTP, 0.2 part of lubricant, 5 parts of calcium carbonate, 3.6 parts of carbon fiber, 2.5 parts of titanium oxide fiber, 7 parts of glass fiber, 11 parts of polyethylene glycol, 7 parts of EBS, 15 parts of MBS, 7 parts of HDPE, 2 parts of flame retardant antimony trioxide, 24 parts of PTT fiber and 1.67 parts of EVA according to the weight part ratio.
PC, epoxy compound, ABS, mica powder, ultraviolet absorbent UV-P, ABS-g-MAH compatilizer, antioxidant DSTP and lubricant are put into a reaction kettle provided with a stirrer and a thermometer to be stirred uniformly, the temperature is raised to 89 ℃, the stirring is carried out for 7min, and the stirring speed is 220 r/min.
Adding the rest raw materials, putting into a kneader, kneading at 114 ℃ for 20-40min, performing melt blending by using a double-screw extruder, and performing extrusion granulation, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 450 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groups, the epoxy functional group can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, meanwhile, the free space is filled with inorganic mineral powder, the surface of extruded lines and extruded particles is slightly roughened, parts obtained by injection molding show low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, the K31 dermatoglyph 60 DEG gloss GU1.8, the oxygen index is 41.7%, and the melt flow index is 15.7g/10min, mohs hardness of 34.6 and notch impact strength of 41kJ/m2The PC/ABS alloy modified by adding the epoxy compound and the inorganic mica powder has a synergistic effect, so that the PC/ABS alloy has excellent low-gloss characteristics, 10N wear resistance of △ L1.06, compression permanent deformation of 38.1%, compression strength of 70.6MPa, bending strength of 90-100MPa and bending modulus2.77GPa and 58MPa of tensile strength; the PC/ABS alloy modified by the epoxy compound and the inorganic mica powder is added to generate a synergistic effect, so that the wear-resistant ABS alloy has excellent wear resistance, and the Martin heat resistance temperature is 94 ℃, and the thermal deformation temperature is 101 ℃; the PC/ABS alloy material has excellent matte property and wear resistance, is particularly suitable for spraying-free matte inner and outer decorations of automobiles, such as parts of instrument boards, auxiliary instrument boards, steering wheels and the like, is also suitable for spraying-free matte office product shells of printers, fax machines and the like, has the tearing strength of 880N/m, the impact resilience of 45-65 percent, the wear loss of 0.455 mu m/time and good mechanical property; low cost, simple preparation method, and wide application in replacing available materials.
Comparative example 1:
weighing 60 parts of PC 36 parts of ABS36 parts, 2 parts of PMI, 0.4 part of ultraviolet absorber UV-327, 4 parts of ABS-g-MAH compatilizer, 0.2 part of antioxidant 168, 0.2 part of lubricant, 3 parts of calcium carbonate, 3 parts of carbon fiber, 1.5 parts of titanium oxide fiber, 1 part of glass fiber, 10 parts of polyethylene glycol, 10 parts of EBS4 parts, MBS15 parts, HDPE5 parts, 1 part of flame retardant magnesium hydroxide, 10 parts of PTT fiber and 1.4 parts of EVA according to the weight part ratio.
The PC, the ABS, the ultraviolet absorbent, the ABS-g-MAH compatilizer, the antioxidant 168 and the lubricant are put into a reaction kettle provided with a stirrer and a thermometer to be stirred uniformly, the temperature is increased to 80 ℃, and the stirring is carried out for 5min, wherein the stirring speed is 100 revolutions per minute.
Adding the rest raw materials, putting into a kneader, kneading for 20min at 100 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 300 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, the epoxy compound has a plurality of epoxy groups, wherein epoxy functional groups can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, and the terminal group concentration of the branched or crosslinked PC is improved greatlyThe compatibility of PC and ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material begins to curl, mica powder is added in a compounding way, so that the macromolecular chain segment curls, meanwhile, the free space is filled with inorganic mineral powder, the extruded line of the material and the surface of the extruded particle are concave-convex and micro-roughened, the part obtained by injection molding presents low-gloss characteristic, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristic, K31 dermatoglyph 60-degree gloss GU53.5, the oxygen index is 36-44%, the melt flow index is 12g/10min, the Mohs hardness is 30, and the notch impact strength is 54kJ/m32The PC/ABS alloy material has excellent matte characteristic and wear resistance, is particularly suitable for spraying-free matte interior and exterior decorations of automobiles, such as instrument panels, auxiliary instrument panels, steering wheels and other parts, is also suitable for spraying-free matte office product shells of printers, fax machines and the like, has the tearing strength of 500N/m, the impact resilience of 45 percent and the abrasion loss of 0.5 mu m/time, has good mechanical property, low cost and simple preparation method, and can be widely produced and continuously replace the existing materials.
Comparative example 2:
weighing 70 parts of PC, 36 parts of ABS, 2 parts of PMI, 0.4 part of ultraviolet absorber UV-P, 4 parts of ABS-g-MAH compatilizer, 0.2 part of antioxidant 168, 0.2 part of lubricant, 10 parts of calcium carbonate, 4 parts of carbon fiber, 5.5 parts of titanium oxide fiber, 10 parts of glass fiber, 20 parts of polyethylene glycol, 8 parts of EBS, 20 parts of MBS, 10 parts of HDPE, 5 parts of flame retardant magnesium hydroxide, 30 parts of PTT fiber and 1.8 parts of EVA according to the weight part ratio.
PC, ABS, ultraviolet absorbent UV-P, ABS-g-MAH compatilizer, antioxidant 168 and lubricant are put into a reaction kettle provided with a stirrer and a thermometer to be uniformly stirred, the temperature is raised to 100 ℃, and the stirring is carried out for 10min at the stirring speed of 250 revolutions per minute.
Adding the rest raw materials, putting into a kneader, kneading for 40min at 120 ℃, using a double-screw extruder to melt and blend, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the screw speed was 600 rpm.
In the PC/ABS alloy material, an epoxy compound and mica powder are added for modification to generate a synergistic effect, wherein the epoxy compound has a plurality of epoxy groups, the epoxy functional groups can react with terminal hydroxyl groups of PC in the extrusion process to enable the PC to be branched or partially crosslinked, the relative molecular mass of the branched or crosslinked PC is greatly improved, the end group concentration is reduced, the compatibility of the PC and the ABS interface is reduced compared with that before branching, the macromolecular chain segment of the material starts to curl, the mica powder is added in a compounding manner to enable the macromolecular chain segment to curl, meanwhile, the free space is filled with inorganic mineral powder, the surface of extruded lines and extruded particles is slightly roughened, parts obtained by injection molding show low-gloss characteristics, meanwhile, the inorganic mineral enables the material to have wear-resistant characteristics, the K3160 DEG gloss GU70.2, the oxygen index is 36-44%, and the melt flow index is 13g/10min, mohs hardness of 32 and notch impact strength of 53kJ/m2The PC/ABS alloy material added with the epoxy compound and the inorganic mica powder generates a synergistic effect so as to have excellent low-gloss characteristic, 10N wear resistance △ L3.15, compression permanent deformation 29%, compression strength 70MPa, bending strength 94.6MPa, bending modulus 2.39GPa and tensile strength 55MPa, and the PC/ABS alloy added with the epoxy compound and the inorganic mica powder generates a synergistic effect so as to have excellent wear resistance, Martin heat resistance temperature 95 ℃ and thermal deformation temperature 102 ℃, and the PC/ABS alloy material has excellent matte characteristic and wear resistance, is particularly suitable for spraying-free matte internal and external decorations of automobiles, such as instrument panels, auxiliary instrument panels, steering wheels and other workpieces, is also suitable for spraying-free matte office product shells of printers, fax machines and the like, has tear strength of 680N/m, impact resilience of 57%, wear loss of 0.45 mu m/time, has good mechanical property, is low in cost and simple in preparation method, and can be widely produced and continuously replace the existing PC/ABS alloyA material.
Figure BDA0001656346280000131
The data in the table show that the addition of the epoxy compound reacts with PC to obtain a macromolecular chain segment, so that the gloss of the PC/ABS alloy material is reduced, and the content of mica powder is added in a compounding manner, so that the gloss of the PC/ABS alloy material is rapidly reduced, the wear-resistant and scratch-resistant properties are excellent, the material strength is increased, but the impact toughness is lost, and the material is particularly beneficial to being applied to automobile non-spray matte interior trim parts, non-spray matte office supplies and the like.
All of the components in the above examples are commercially available.
The above-described embodiments are intended to be illustrative, but not limiting, of the present invention, and therefore any changes that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims (6)

1. The spraying-free matte PC-ABS alloy material is characterized by comprising the following raw materials in parts by weight: the flame-retardant ABS plastic comprises, by weight, 60-70 parts of PC, 5-10 parts of epoxy compounds, 26-36 parts of ABS, 2-10 parts of PMI, 1-5 parts of mica powder, 0.4 part of ultraviolet absorbers, 4 parts of compatilizers, 0.2 part of antioxidants, 0.2 part of lubricants, 3-10 parts of calcium carbonate, 3-4 parts of carbon fibers, 1.5-5.5 parts of titanium oxide fibers, 1-10 parts of glass fibers, 10-20 parts of polyethylene glycol, 4-8 parts of EBS, 25-20 parts of MBS15, 5-10 parts of HDPE, 1-5 parts of flame retardants, 10-30 parts of PTT fibers and 1.4-1.8 parts of EVA; the preparation method of the spraying-free matte PC-ABS alloy material comprises the following steps:
the first step is as follows: weighing PC, epoxy compound, ABS, PMI, mica powder, ultraviolet absorbent, compatilizer, antioxidant, lubricant, calcium carbonate, carbon fiber, titanium oxide fiber, glass fiber, polyethylene glycol, EBS, MBS, HDPE, flame retardant, PTT fiber and EVA;
the second step is that: putting PC, epoxy compound, ABS, mica powder, ultraviolet absorbent, compatilizer, antioxidant and lubricant into a reaction kettle provided with a stirrer and a thermometer, uniformly stirring, heating to 80-100 ℃, stirring for 5-10min at the stirring speed of 100-;
the third step: adding the rest raw materials, putting into a kneader, kneading for 20-40min at the temperature of 100-120 ℃, melting and blending by a double-screw extruder, extruding and granulating, wherein the process conditions are as follows: the first zone is 180-200 ℃, the second zone is 210-230 ℃, the third zone is 230-250 ℃, the fourth zone is 240-260 ℃, the fifth zone is 240-260 ℃, the sixth zone is 250-270 ℃, the seventh zone is 250-270 ℃, the eighth zone is 250-270 ℃, and the ninth zone is 240-260 ℃; the rotating speed of the screw is 300-600 revolutions per minute.
2. The spray-free matte PC-ABS alloy material according to claim 1, wherein: the ultraviolet absorbent adopts UV-327 or UV-P.
3. The spray-free matte PC-ABS alloy material according to claim 1, wherein: the compatilizer adopts ABS-g-MAH, LLDPE-g-MAH, SAN-g-MMA, SAN-g-GMA or SBS-g-DABPA.
4. The spray-free matte PC-ABS alloy material according to claim 1, wherein: the antioxidant is antioxidant 1010, antioxidant DLTP, antioxidant DSTP, antioxidant 2245, antioxidant 1076 or antioxidant 168.
5. The spray-free matte PC-ABS alloy material according to claim 1, wherein: the lubricant is hydrocarbon liquid paraffin, natural paraffin, microcrystalline paraffin or polyethylene wax.
6. The spray-free matte PC-ABS alloy material according to claim 1, wherein: the flame retardant is antimony trioxide, magnesium hydroxide, triphenyl phosphate or decabromodiphenyl ether.
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