CN104448762A - Polycarbonate alloy material and preparation method thereof - Google Patents
Polycarbonate alloy material and preparation method thereof Download PDFInfo
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- CN104448762A CN104448762A CN201410789278.1A CN201410789278A CN104448762A CN 104448762 A CN104448762 A CN 104448762A CN 201410789278 A CN201410789278 A CN 201410789278A CN 104448762 A CN104448762 A CN 104448762A
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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
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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
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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Abstract
The invention discloses a polycarbonate alloy material applied to an automotive spoiler. The polycarbonate alloy material is prepared from the following components in percentage by weight as shown in the specification, wherein the polycarbonate alloy material is prepared from polycarbonate resin as matrix resin and thermoplastic polyester resin as auxiliary resin, so that the prepared spoiler has the advantages of large degree of freedom of structural design, good molding processing property, low density, low cost and the like. Hollow glass beads are taken as a filling base material, and a compatible flexibilizer, a coupling agent, an anti-stress cracking agent, an organic light stabilizer and the like are taken as processing agents, so that the prepared automotive spoiler has the advantages of excellent tensile strength, bending strength, flexural modulus, impact strength, liquidity index, weather fastness, scratch resistance, chemical corrosion resistance and stress cracking resistance.
Description
Technical field
The present invention relates to technical field of polymer materials, particularly relate to a kind of Polycarbonate alloy material for automobile spoiler and preparation method thereof.
Background technology
Automobile spoiler, also known as automobile tail fin, is mounted in the add-in card above the tailstock, and its effect is the lift reducing vehicle tail in vehicle traveling process, increases rear wheel earth-grasping force, thus improves the stability of galloping.
Automobile spoiler belongs to automobile exterior trimming parts, and its material need have the characteristics such as good alternating hot and cold, wet and heat ageing resistant, shock-resistance, resistance to chemical attack, vibration resistance, weathering resistance, Anti-scratching, dimensional stability be better.
Automobile spoiler material common in the market has following three kinds:
The first is glass reinforced plastic, and the interceptor of glass steel material is relatively fitted vehicle body lines, and shortcoming is that its structure design degree of freedom is lower, and molding processibility is general;
The second is aluminium alloy, and the interceptor metal-like outward appearance of aluminum alloy material is strong, and water conservancy diversion effect is better, and shortcoming density is comparatively large, and structure design degree of freedom is low;
The third is carbon fiber, and the interceptor of carbon fibre materials possesses high strength and high-durability, and shortcoming is with high costs.
Summary of the invention
The object of the present invention is to provide a kind of Polycarbonate alloy material and preparation method thereof, the interceptor be made up of it has that structure design degree of freedom is large, moulding processability good, density is low, low cost and other advantages.
In order to solve above-mentioned technical problem, the invention provides a kind of Polycarbonate alloy material, for automobile spoiler, described Polycarbonate alloy material by weight percentage, comprises following component:
Wherein, described polycarbonate resin is one or more compositions in aliphatic polycarbonate, aromatic copolycarbonate and aliphatic-aromatic polycarbonate.
Wherein, described polycarbonate resin is bisphenol A-type aromatic copolycarbonate.
Wherein, described thermoplastic polyester is one or more compositions in Polybutylene Terephthalate, polyethylene terephthalate, Poly(Trimethylene Terephthalate) and thermoplastic polyurethane.
Wherein, described compatible toughening agents is organosilicon toughner dual graft MAH and GMA.
Wherein, described coupling agent is one or more compositions in organochromium complexes, silicane, titanate ester and Lu's acid compound.
Wherein, described anti-stress cracking agent is ethyl/hydrogenated nitrile/acrylic ester ternary polymerization grafts.
Wherein, described hollow glass microbead is true density is 0.20-0.60g/cm
3, particle diameter is the soda lime silicate glass microballon of 2-125 micron.
Wherein, described organic photostabilizer be O-hydroxyl-diphenyl ketone class, benzotriazole category, salicylate class, triazines, group-substituted acrylonitrile be representative UV light absorber, with the organic nickel inner complex optical trapping forces that is representative and with hindered amine be representative radical scavenger in one or more compositions.
Wherein, other plastic processing additives described comprise oxidation inhibitor, high flow ability modifying agent and lubricant.
Wherein, described oxidation inhibitor by phenolic antioxidant and phosphoric acid ester oxidation inhibitor by weight 1:1 proportioning form; Described high flow ability modifying agent is Ultra-low molecular weight styrene-acrylonitrile copolymer; Described lubricant is the two hard acid ester acid amides of ethylene.
The embodiment of the present invention also proposed a kind of preparation method for the preparation of above-mentioned Polycarbonate alloy material, and described preparation method comprises the following steps:
Take each component by above-mentioned weight percent, and drying treatment is carried out to each component taken;
By the polycarbonate resin after drying treatment, thermoplastic polyester, self-control compatible toughening agents with coupling agent is placed in high-speed mixer or stirrer is pre-mixed 3-5min, add hollow glass microbead, anti-stress cracking agent, organic photostabilizer, other plastic processing additives continue mixing 10-20min;
Above-mentioned mixed material is added through frit reaction in the hopper of twin screw extruder, extruding pelletization; The processing condition of twin screw extruder are: screw slenderness ratio is 35, front-end temperature 250-270 DEG C, stage casing temperature is 240-260 DEG C, back segment temperature is 230-250 °, head temperature is 230-260 DEG C; Screw speed is 380-420r/min.
Wherein, describedly take each component by weight percentage, and to also comprising the described compatilizer of preparation before the withering step of each component taken:
Take organosilicon toughner 90-92%, maleic anhydride 1-3%, glycidyl methacrylate (GMA) 1-3%, vinylbenzene 3-5%, two carbonic ether superoxide 0.1-0.3%, oxidation inhibitor 0.4%, lubricant 0.5%, silicone oil 1-2% by weight percentage;
The two carbonic ether superoxide taken are dissolved in the silicone oil taken, stir, fully dissolve and obtain mixed solution;
Described mixed solution and the organosilicon toughner taken, maleic anhydride (MAH), glycidyl methacrylate (GMA), vinylbenzene, oxidation inhibitor, lubricant are joined in high-speed mixer to mix and obtain mixture;
Put in the hopper of twin screw extruder by described mixture, through frit reaction, extruding pelletization, obtains compatible toughening agents agent; Twin screw extruder processing condition are: melt zone temperature 240-270 DEG C, conversion zone temperature 230-260 DEG C, degassing stages 220-250 DEG C, head temperature 240-260 DEG C.
Implement Polycarbonate alloy material of the embodiment of the present invention and preparation method thereof, its beneficial effect is, this Polycarbonate alloy material is using polycarbonate resin as matrix resin, using thermoplastic polyester as assisted resin, and the interceptor that it is made has that structure design degree of freedom is large, moulding processability good, density is low, low cost and other advantages; Again because Polycarbonate alloy material is using hollow glass microbead as filling base material, using compatible toughening agents, coupling agent, anti-stress cracking agent, organic photostabilizer etc. as processing aid, the automobile spoiler be made up of it is made to have excellent tensile strength, flexural strength, modulus in flexure, shock strength, fluidity index, weathering resistance, scratch resistance, chemical resistance, anti-stress cracking.
Embodiment
Below in conjunction with specific embodiments the technical scheme in embodiment of the present invention is clearly and completely described.
Embodiments provide a kind of Polycarbonate alloy material, for automobile spoiler, described Polycarbonate alloy material by weight percentage, comprises following component:
This Polycarbonate alloy material is using polycarbonate resin as matrix resin, using thermoplastic polyester as assisted resin, and the interceptor that it is made has that structure design degree of freedom is large, moulding processability good, density is low, low cost and other advantages; Again because Polycarbonate alloy material is using hollow glass microbead as filling base material, using compatible toughening agents, coupling agent, anti-stress cracking agent, organic photostabilizer etc. as processing aid, the automobile spoiler be made up of it is made to have excellent tensile strength, flexural strength, modulus in flexure, shock strength, fluidity index, weathering resistance, scratch resistance, chemical resistance, anti-stress cracking.
Furthermore, polycarbonate resin is the high molecular polymer containing carbonate group in molecular chain, the advantages such as polycarbonate resin has high strength and coefficient of elasticity, high impact, use temperature scope is wide, resistance to fatigue is good, weathering resistance is good, mould shrinkage is low, dimensional stability is good.In a preferred embodiment of the invention, described polycarbonate resin is one or more compositions in aliphatic polycarbonate, aromatic copolycarbonate and aliphatic-aromatic polycarbonate.Because the mechanical property of aromatic copolycarbonate is better, described polycarbonate resin is more preferably bisphenol A-type aromatic copolycarbonate.Polycarbonate resin is adopted to have the advantages such as weathering resistance is good, high impact, resistance to fatigue are good as the Polycarbonate alloy material that base material is formed.
Furthermore, thermoplastic polyester refers to the general designation of the linear polymer obtained by polycondensation by saturated di-carboxylic acid (ester) and dibasic alcohol, has that thermoplasticity is good, low cost and other advantages.Described thermoplastic polyester is one or more compositions in Polybutylene Terephthalate, polyethylene terephthalate, Poly(Trimethylene Terephthalate) and thermoplastic polyurethane.Thermoplastic polyester is adopted to have as the Polycarbonate alloy material that base material is formed the advantage that moulding processability is good, cost is low, structure design degree of freedom is large.
Furthermore, described compatible toughening agents is organosilicon toughner dual graft MAH (maleic anhydride) and GMA (glycidyl methacrylate), compatible toughening agents is for improving the consistency of two kinds of polymkeric substance and improving the shock resistance of polymkeric substance, adopt dual graft MAH and GMA can increase substantially the bonding force of polycarbonate resin and thermoplastic polyester, make the polymer architecture of formation more stable.Have employed described compatible toughening agents and the Polycarbonate alloy material that formed has excellent resistance to impact shock, tensile strength and flexural strength.
Further, described coupling agent is one or more compositions in organochromium complexes, silicane, titanate ester and Lu's acid compound.Coupling agent reduces the viscosity of each resin melt, improves the dispersity of sky glass microballon, thus improves the processing characteristics of this Polycarbonate alloy material, and then makes goods obtain good surface quality and machinery, heat and electrical property.
Further, described anti-stress cracking agent is ethyl/hydrogenated nitrile/acrylic ester ternary polymerization grafts.Anti-stress cracking agent improves the anti-stress cracking of this Polycarbonate alloy material.
Further, described hollow glass microbead is true density is 0.20-0.60g/cm
3, particle diameter is the soda lime silicate glass microballon of 2-125 micron.Hollow glass microbead density ratio simple glass microballon is little, and it makes Polycarbonate alloy material have good freedom from cracking performance and cycling processability.
Further, described organic photostabilizer be O-hydroxyl-diphenyl ketone class, benzotriazole category, salicylate class, triazines, group-substituted acrylonitrile be representative UV light absorber, with the organic nickel inner complex optical trapping forces that is representative and with hindered amine be representative radical scavenger in one or more compositions.Organic photostabilizer can suppress or weaken the Degradation of light to plastics, improves the photostabilization of this Polycarbonate alloy material.
Further, other plastic processing additives described comprise oxidation inhibitor, high flow ability modifying agent and lubricant.Wherein, described oxidation inhibitor by phenolic antioxidant and phosphoric acid ester oxidation inhibitor by weight 1:1 proportioning form; Described high flow ability modifying agent is Ultra-low molecular weight styrene-acrylonitrile copolymer; Described lubricant is the two hard acid ester acid amides of ethylene.Oxidation inhibitor can prevent the thermooxidative degradation in the Polycarbonate alloy material course of processing, and its forming process can be carried out smoothly.High flow ability modifying agent is by specific chemical action and physical action, improve each intermolecular flow capacity, thus the melting means of this Polycarbonate alloy material can be increased substantially, increase the processing fluidity of this Polycarbonate alloy material, improve the surface gloss of plastic prod, improve plastic working efficiency and do not affect other performances of plastics.Lubricant can add the oilness increasing frosting man-hour, reduces the bonding strength moulding section and metallic surface, makes its shearing force being subject to machinery be down to minimum, thus reaches the object of the easiest machine-shaping when not damaging plastics performance.
Embodiment 1-embodiment 3
Furthermore, the embodiment of the present invention proposes embodiment 1-3, as shown in table 1:
Table 1
In the above-mentioned embodiment of the embodiment of the present invention, employ following material:
The PC 141R that polycarbonate resin adopts Sabic company of Saudi Arabia to produce;
The PBT 1100 that thermoplastic polyester adopts Changchun, Taiwan company to produce;
The soda lime borosilicate glass microballon trade mark S32 that hollow glass microbead adopts Minnesota Mining and Manufacturing Company to produce;
Anti-stress cracking agent adopts domestic ESC-3008;
Coupling agent is the silane coupling agent KH570 that Dow Corning Corporation produces;
The hindered amine light stabilizer HALS-119 that organic photostabilizer adopts German Clariant to produce and Benzotriazole Ultraviolet Stabilizer UV-329 compound;
Plastic processing additives comprises oxidation inhibitor, high flow ability modifying agent and lubricant, wherein, oxidation inhibitor by phenol antioxidant (Irganox 1076 that such as CIBA refines) and phosphate-based antioxidants (Irganox 168 that such as CIBA refines) by weight 1:1 proportioning form, described high flow ability modifying agent adopts domestic Ultra-low molecular weight styrene-acrylonitrile copolymer EMI-100; Described lubricant adopts the two hard acid acyl amine of ethylene, and such as Korea S produces EBS 120D;
Compatilizer is homemade organosilicon toughner dual graft MAH and GMA, and its preparation method is as follows:
Step one, take organosilicon toughner 90-92%, maleic anhydride 1-3%, glycidyl methacrylate (GMA) 1-3%, vinylbenzene 3-5%, two carbonic ether superoxide 0.1-0.3%, oxidation inhibitor 0.4%, lubricant 0.5%, silicone oil 1-2% by weight percentage;
Step 2, the two carbonic ether superoxide taken to be dissolved in the silicone oil taken, to stir, fully dissolve and obtain mixed solution;
Step 3, the mixed solution in step 2 and the organosilicon toughner taken, maleic anhydride (MAH), glycidyl methacrylate (GMA), vinylbenzene, oxidation inhibitor, lubricant are joined in high-speed mixer to mix and obtain mixture;
Step 4, put in the hopper of twin screw extruder by the mixture of step 3, through frit reaction, extruding pelletization, obtains compatible toughening agents agent; Twin screw extruder processing condition are: melt zone temperature 240-270 DEG C, conversion zone temperature 230-260 DEG C, degassing stages 220-250 DEG C, head temperature 240-260 DEG C.
Wherein, this organosilicon toughner can adopt the S-2030 of the beautiful sun of Mitsubishi; Maleic anhydride (MAH) adopts chemical pure rank; Glycidyl methacrylate (GMA) adopts chemical pure rank; The purifying styrene that vinylbenzene adopts Dow chemical company of the U.S. to produce; The di-isopropyl peroxydicarbonate IPP-NS27 that two carbonic ether superoxide adopt the U.S. to produce; Oxidation inhibitor adopts the 1:1 compound of 1076 and 168 of Switzerland's Ciba product; The EBS 120 that lubricant adopts Korea S to produce; Silicone oil adopts domestic viscosity to be the dimethyl silicone oil of 100mm2/s.
Performance test and evaluation:
Particle material prepared by following embodiment is injection molded into various standard Mechanics Performance Testing batten by ASTM standard, and be injection molded into standard burning test specimen bar by U.S.'s UL standard, testing method is as shown in table 1:
Table 2
The performance test results is shown in Table 3:
Table 3
Further, the embodiment of the present invention also proposed a kind of method for the preparation of above-mentioned Polycarbonate alloy material, and described preparation method comprises the following steps:
Step S1: take each component by weight percent according to claim 1, and drying treatment is carried out to each component taken;
Step S2: by the polycarbonate resin after drying treatment, thermoplastic polyester, self-control compatible toughening agents with coupling agent is placed in high-speed mixer or stirrer is pre-mixed 3-5min, adds hollow glass microbead, anti-stress cracking agent, organic photostabilizer, other plastic processing additives continues mixing 10-20min;
Step S3: above-mentioned mixed material is added through frit reaction in the hopper of twin screw extruder, extruding pelletization; The processing condition of twin screw extruder are: screw slenderness ratio is 35, front-end temperature 250-270 DEG C, stage casing temperature is 240-260 DEG C, back segment temperature is 230-250 °, head temperature is 230-260 DEG C; Screw speed is 380-420r/min.
Furthermore, before step S1, also step S0 is comprised: prepare described compatilizer.
Step S0 comprises the following steps:
Step S01: take organosilicon toughner 90-92%, maleic anhydride 1-3%, glycidyl methacrylate (GMA) 1-3%, vinylbenzene 3-5%, two carbonic ether superoxide 0.1-0.3%, oxidation inhibitor 0.4%, lubricant 0.5%, silicone oil 1-2% by weight percentage;
Step S02: be dissolved in the silicone oil taken by the two carbonic ether superoxide taken, stir, fully dissolves and obtains mixed solution;
Step S03: described mixed solution and the organosilicon toughner taken, maleic anhydride (MAH), glycidyl methacrylate (GMA), vinylbenzene, oxidation inhibitor, lubricant are joined in high-speed mixer to mix and obtain mixture;
Step S04: described mixture is put in the hopper of twin screw extruder, through frit reaction, extruding pelletization, obtains compatible toughening agents agent; Twin screw extruder processing condition are: melt zone temperature 240-270 DEG C, conversion zone temperature 230-260 DEG C, degassing stages 220-250 DEG C, head temperature 240-260 DEG C.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (13)
1. a Polycarbonate alloy material, for automobile spoiler, is characterized in that, described Polycarbonate alloy material by weight percentage, comprises following component:
2. Polycarbonate alloy material according to claim 1, is characterized in that, described polycarbonate resin is one or more compositions in aliphatic polycarbonate, aromatic copolycarbonate and aliphatic-aromatic polycarbonate.
3. Polycarbonate alloy material according to claim 2, is characterized in that, described polycarbonate resin is bisphenol A-type aromatic copolycarbonate.
4. Polycarbonate alloy material according to claim 1, it is characterized in that, described thermoplastic polyester is one or more compositions in Polybutylene Terephthalate, polyethylene terephthalate, Poly(Trimethylene Terephthalate) and thermoplastic polyurethane.
5. Polycarbonate alloy material according to claim 1, is characterized in that, described compatible toughening agents is organosilicon toughner dual graft MAH and GMA.
6. Polycarbonate alloy material according to claim 1, is characterized in that, described coupling agent is one or more compositions in organochromium complexes, silicane, titanate ester and Lu's acid compound.
7. Polycarbonate alloy material according to claim 1, is characterized in that, described anti-stress cracking agent is ethyl/hydrogenated nitrile/acrylic ester ternary polymerization grafts.
8. Polycarbonate alloy material according to claim 1, is characterized in that, described hollow glass microbead is true density is 0.20-0.60g/cm
3, particle diameter is the soda lime silicate glass microballon of 2-125 micron.
9. Polycarbonate alloy material according to claim 1, it is characterized in that, described organic photostabilizer is O-hydroxyl-diphenyl ketone class, UV light absorber that benzotriazole category, salicylate class, triazines, group-substituted acrylonitrile are representative, with the organic nickel inner complex optical trapping forces that is representative and with hindered amine be representative radical scavenger in one or more compositions.
10. Polycarbonate alloy material according to claim 1, is characterized in that, other plastic processing additives described comprise oxidation inhibitor, high flow ability modifying agent and lubricant.
11. Polycarbonate alloy material according to claim 10, is characterized in that, described oxidation inhibitor by phenolic antioxidant and phosphoric acid ester oxidation inhibitor by weight 1:1 proportioning form; Described high flow ability modifying agent is Ultra-low molecular weight styrene-acrylonitrile copolymer; Described lubricant is the two hard acid ester acid amides of ethylene.
12. 1 kinds, for the preparation of the preparation method of the Polycarbonate alloy material described in any one of claim 1-11, is characterized in that, described preparation method comprises the following steps:
Take each component by weight percent according to claim 1, and drying treatment is carried out to each component taken;
By the polycarbonate resin after drying treatment, thermoplastic polyester, self-control compatible toughening agents with coupling agent is placed in high-speed mixer or stirrer is pre-mixed 3-5min, add hollow glass microbead, anti-stress cracking agent, organic photostabilizer, other plastic processing additives continue mixing 10-20min;
Above-mentioned mixed material is added through frit reaction in the hopper of twin screw extruder, extruding pelletization; The processing condition of twin screw extruder are: screw slenderness ratio is 35, front-end temperature 250-270 DEG C, stage casing temperature is 240-260 DEG C, back segment temperature is 230-250 °, head temperature is 230-260 DEG C; Screw speed is 380-420r/min.
The preparation method of 13. Polycarbonate alloy material according to claim 12, is characterized in that, describedly takes each component by weight percentage, and to also comprising the described compatilizer of preparation before the withering step of each component taken:
Take organosilicon toughner 90-92%, maleic anhydride 1-3%, glycidyl methacrylate (GMA) 1-3%, vinylbenzene 3-5%, two carbonic ether superoxide 0.1-0.3%, oxidation inhibitor 0.4%, lubricant 0.5%, silicone oil 1-2% by weight percentage;
The two carbonic ether superoxide taken are dissolved in the silicone oil taken, stir, fully dissolve and obtain mixed solution;
Described mixed solution and the organosilicon toughner taken, maleic anhydride (MAH), glycidyl methacrylate (GMA), vinylbenzene, oxidation inhibitor, lubricant are joined in high-speed mixer to mix and obtain mixture;
Put in the hopper of twin screw extruder by described mixture, through frit reaction, extruding pelletization, obtains compatible toughening agents agent; Twin screw extruder processing condition are: melt zone temperature 240-270 DEG C, conversion zone temperature 230-260 DEG C, degassing stages 220-250 DEG C, head temperature 240-260 DEG C.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106479146A (en) * | 2015-08-27 | 2017-03-08 | 合肥杰事杰新材料股份有限公司 | A kind of new PC/TPU alloy material and preparation method thereof |
| CN107778813A (en) * | 2016-08-30 | 2018-03-09 | 汉达精密电子(昆山)有限公司 | The polycarbonate composite material and its products formed of color inhibition |
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