CN107501887A - High performance polycarbonate composition of the compatilizers of SAG containing special construction and preparation method thereof - Google Patents
High performance polycarbonate composition of the compatilizers of SAG containing special construction and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- 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
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
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- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/325—Calcium, strontium or barium phosphate
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- 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
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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Abstract
The invention discloses a kind of high performance polycarbonate composition of the compatilizers of SAG containing special construction, it includes PC resin, PET resin, compatilizer, toughener, fire retardant, antioxidant and other auxiliary agents；Wherein described compatilizer is SAG copolymers, and the SAG copolymers are used as the GMA of 50 85wt.% styrene monomer, 10 40wt.% acrylonitrile monemer and 0.5 30wt.% in aqueous medium obtained by process for suspension polymerization preparation, said composition selects the compatilizer of special preparation, improve the compatibility of PC resin and PET resin, ester exchange reaction therebetween can substantially be suppressed, improve the properties of product stability and toughness of blend；Separately appropriate dispersant is with the addition of due to selective in the preparation process of compatilizer, the damp and hot long-term behaviour on PC/PET alloys is set to influence to be reduced to reduced levels, the initial mechanical performance and long-term hydrothermal aging performance of the polycarbonate compositions of the present invention have great optimization, and higher occasion is required especially suitable for use environment.
Description
Technical field
The present invention relates to a kind of high performance polycarbonate composition and preparation method thereof, more particularly to one kind to contain special construction
High performance polycarbonate composition of SAG compatilizers and preparation method thereof, belong to composite high-molecular technical field.
Background technology
Polycarbonate resin (PC resin) is a kind of unformed thermoplastic of water white transparency, because it is easily worked simultaneously
It is adapted to using a variety of forming methods such as injection, extrusion molding, blowings, and there is preferable mechanics and optical property, therefore extensive use
In many fields such as packaging, commodity, electronic apparatus, toy, instrument, transport and machine manufacture, but pure PC resin is molten
Body viscosity is big, poor solvent resistance and to notch sensitivity is high, cost is also higher.
Pet resin (PET resin) is a kind of thermoplastic polyester of translucent crystal type, is had
The advantages that high-fire resistance, high tenacity, high fatigue durability, self-lubricating, low-friction coefficient, but PET notch impact strength it is low, easily by
Halogenated hydrocarbon corrodes, hydrolytic resistance difference and molding shrinkage are big.There is technical staff that PC resin and PET resin are blended in the prior art
Compound resin is obtained, the compound resin had both had the rigidity and heat resistance of PC resin, had the solvent resistance of PET resin again.
But because PET resin is Crystalline plastics, PC resin is non-Crystalline plastics, PC resin and PET resin
Alloy compatibility is very bad, and both mixing also results in the mechanical property of composite and declined to a great extent.Additionally due to
Contain terminal hydroxy group in PC resin, it at high temperature and has titanium class residual catalyst to deposit with carboxyl, the hydroxyl etc. remained in PET resin
In case, it is very easy that two phase reaction occurs, although reaction can improve compatibility and have greatly uncertainty,
Above-mentioned reaction will also result in the drastically deterioration of composite property during later stage use, substantially reduce PC/PET Alloyapplications
Practicality.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of poly- carbonic acid of high-performance of the compatilizers of SAG containing special construction
Ester composition and preparation method thereof, sensitivity of the polycarbonate compositions to long-term hygrothermal environment of gained is prepared by the preparation method
Degree substantially reduces, product mechanical property stabilization and tenacity excellent, is suitable for use with the higher situation of the damp and hot degree of environmental requirement.
The technical scheme is that：
The invention discloses a kind of high performance polycarbonate composition of the compatilizers of SAG containing special construction, the makrolon
Composition includes following each components by weight：PC resin 50-85 parts, PET resin 5-23 parts, compatilizer 0.01-5.0
Part, toughener 0.1-13.0 parts, fire retardant 8-20 parts, antioxidant 0.01-2.0 parts and other auxiliary agents 0.01-0.8 parts.
Wherein PC resin (polycarbonate resin) is to instigate aromatic hydroxy compound to be reacted with phosgene or carbonic diester, or
Aromatic hydroxy compound and a small amount of polyol and phosgene or carbonic diester is set to react the obtained thermoplastic with side chain
Property aromatic polycarbonate polymers or copolymer.The manufacture method of aromatic polycarbonate resin is not particularly limited, and can adopt
With known method, such as phosgenation (interfacial polymerization), fusion method (ester-interchange method).To make formed body outward appearance make moderate progress,
Mobility makes moderate progress, and the molecular weight of polycarbonate resin suitably selects in the present invention, converts what is obtained by solution viscosity
Viscosity average molecular weigh [Mv] is usually more than 10000, preferably more than 12000, and usually less than 40000, preferably 30000 with
Under, more preferably less than 25000.By the way that viscosity average molecular weigh is set in aforementioned range, it is ensured that poly- carbonic acid of the invention
The mechanical strength of ester resin composition, it is more preferable at the field higher for requirement of mechanical strength, it is also ensured that the high stream of shaping
Dynamic property.
Wherein PET resin is viscosity 0.65-0.9dl/g primary PET resin, or by separating, cleaning, broken, clear again
Wash, regenerative PET resin made from extruding pelletization after drying, the inherent viscosity of the regenerative PET resin is also 0.5-0.9dl/g.
Wherein described compatilizer is SAG copolymers, and the SAG copolymers are styrene monomer, the 10- by 50-85wt.%
40wt.% acrylonitrile monemer and 0.5-30wt.% GMA (GMA) use in aqueous medium to suspend
Obtained by polymerization technique is by the preparation technology including following preparation processes：
(1) on the basis of total monomer weight 100%, by a part for 50-85wt.% styrene monomers, 10-40wt.%
A part for acrylonitrile monemer, the molecular weight regulator for accounting for monomer total amount 0.1-1.0wt.%, account for monomer total amount 0.1-
1.0wt.% oil-soluble initiators, monomer total amount 0.1-3.0wt.% dispersants are accounted for, monomer total amount 0.001-0.1wt.% is accounted for and helps
Dispersant and be (1-2.5) with total monomer weight ratio:1 deionized water is mixed in reactor, is warming up to 65-80 with stirring
DEG C, and react 0.5-2.0 hours；
(2) by the GMA of residual styrene monomer, remaining acrylonitrile monemer and 0.5-30wt.%
It is added dropwise in aforesaid reaction vessel, continues after reacting 0.5-3.0h in 0.5-2.0h after mixing, is warming up to 95 DEG C of curing 0.5-
2.0h；Discharge in stock chest after end, cleaned 1-5 times with deionized water after resulting material is filtered, by gained filter cake in 90
Sieved after being dried at DEG C to constant weight, obtain SAG copolymers；
Involved molecular weight regulator is mercaptan quasi-molecule amount conditioning agent, preferably dodecyl in above-mentioned preparation process
Mercaptan；Conventional oil soluble thermal initiators, preferably azodiisobutyronitrile (AIBN) can be selected in the oil-soluble initiator；Described point
Powder is at least one of active calcium phosphate (TPC), hydroxyethyl cellulose (CMC) and polyvinyl alcohol (PVA), is preferably activity
Calcium sulfate, and the dosage of the activated calcium sulfate is preferably to account for the 0.1-2.5wt.% of monomer total amount, more preferably accounts for monomer total amount
0.3-2.3wt.%, be still more preferably 0.7-2.0wt.%；The dispersion aids is neopelex (DP)
Or lauryl sodium sulfate (DBS)；In addition in above-mentioned preparation process, the content of acrylonitrile monemer is preferably 27- in SAG copolymers
30wt.%, the content of GMA is preferably 1-5wt.%.
Wherein described toughener is MBS, methyl methacrylate-the third
Olefin(e) acid copolymer, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer, ethylene-acrylate-metering system
Acid glycidyl ester terpolymer, the ethylene-vinyl acetate copolymer of maleic anhydride functional, acrylic compounds toughener and have
At least one of machine silicon rubber graft toughener, preferably organic silicon rubber graft toughener.The organic silicon rubber connects
Branch thing toughener refers to the copolymer formed containing polysiloxane and ethene polymers rubber with grafting vinyl monomer, wherein
The volume average particle size of rubber is 200-2000nm, preferably 220-1500nm, more preferably 280-1000nm, further excellent
Elect 290-600nm as, by making the volume average particle size of rubber in the range of 290-600nm, can obtain preferable impact resistance and
Small resin combination is influenceed on initiation temperature.
Wherein described fire retardant is at least one in nitrogenous flame ratardant, phosphonium flame retardant and metal organic sulfonate fire retardant
Kind, preferably phosphonium flame retardant, the phosphonium flame retardant are Triphenyl phosphate, lindol, tricresyl phosphate base hexichol
Base ester, tricresyl phosphate dimethylbenzene base ester, tricresyl phosphate-(2,4,6- trimethylphenyls) ester, tricresyl phosphate-(2,4- di-tert-butyl-phenyls)
Ester, tricresyl phosphate-(2,6- di-tert-butyl-phenyls) ester, resorcinol be double-and (diphenyl phosphate) ester, hydroquinones be double-(phosphoric acid hexichol
Base) ester, bisphenol-A-bis- (diphenyl phosphate) ester, double (2,6- di-tert-butyl-phenyls) phosphates of resorcinol and hydroquinones pair
At least one of (2,6- 3,5-dimethylphenyls) phosphate.
Wherein described antioxidant can be propionic acid ester antioxidant, such as octadecyl -3- (3,5- di-t-butyl -4- hydroxyls
Phenyl) propionic ester；Organic phosphites antioxidant, such as three (nonyl phenyl) phosphite esters, double (2,4- di-tert-butyl-phenyls)
Pentaerythritol diphosphites, distearyl pentaerythrityl diphosphite；The monophenols or polyphenols kind antioxidant of alkylation；Polyphenol
With the reaction product kind antioxidant of the alkylation of diene, such as four [methylene (3,5- di-t-butyl -4- hydroxyhydrocinnamic acids
Ester)] methane；The butylated reaction product of paracresol or bicyclopentadiene is as antioxidant；The hydroquinones conduct of alkylation
Antioxidant；Hydroxylated thiodiphenyl ethers are as antioxidant；Alkylidenebisphenols are as antioxidant；Benzyl compounds are as antioxygen
Agent；β-(3,5- di-t-butyl -4- hydroxy phenyls)-propionic acid is with the ester of unitary or polyalcohol as antioxidant；β-(the 5- tert-butyl groups-
4- hydroxy-3-methyls phenyl)-propionic acid and unitary or polyalcohol ester as antioxidant；Alkylthio or thioaryl compounds
Ester as antioxidant, such as distearyl thiopropionate, dilauryl thiopropionate, tricosyl thio-2 acid
Ester, [3- (the 3,5- di-t-butyl 4- hydroxy phenyls) propionic ester of pentaerythrite base-four；β-(3,5- di-t-butyl -4- hydroxy benzenes
Base)-propionic acid acid amides as antioxidant, or include the combination of at least one of above-mentioned antioxidant.
Other auxiliary agents such as anti-dripping agent, plasticizer, filler, colouring agent can also be properly added as needed in this application
At least one of.Anti-dripping agent is preferably fluorinated polyolefin, specifically may include fluoride resin, TFE, four
PVF/hexafluoropropylene copolymer resin, wherein it is preferred that TFE.Lubricant is tristerin；Filler includes
The mineral fillers such as titanium dioxide, barium sulfate；Colouring agent includes various pigment, dyestuff.
Disclosed herein as well is a kind of preparation of the high performance polycarbonate composition of the above-mentioned compatilizers of SAG containing special construction
Method, the preparation method comprise the steps：
(1) preparation of SAG compatilizers：On the basis of total monomer weight 100%, by the one of 50-85wt.% styrene monomers
Partly, a part for 10-40wt.% acrylonitrile monemers, account for monomer total amount 0.1-1.0wt.% molecular weight regulator, account for monomer
Total amount 0.1-1.0wt.% oil-soluble initiators, account for monomer total amount 0.1-3.0wt.% dispersants, account for monomer total amount 0.001-
0.1wt.% dispersion aids and be (1-2.5) with total monomer weight ratio:1 deionized water is mixed in reactor, with stirring
65-80 DEG C is warming up to, and reacts 0.5-2.0 hours；By residual styrene monomer, remaining acrylonitrile monemer and 0.5-30wt.%
GMA mixing after be added dropwise in 0.5-2.0h in aforesaid reaction vessel, continue react 0.5-3.0h
Afterwards, 95 DEG C of curing 0.5-2.0h are warming up to；Discharge in stock chest after end, cleaned after resulting material is filtered with deionized water
1-5 times, sieved after gained filter cake is dried to constant weight at 90 DEG C, obtain SAG copolymers；Wherein described molecular weight regulator is
Lauryl mercaptan, the oil-soluble initiator are azodiisobutyronitrile, and the dispersant is active calcium phosphate, hydroxy ethyl fiber
At least one of element and polyvinyl alcohol；
(2) it will will be blended into uniformly in each raw material input mixer for weighing gained by formula dosage, obtain pre-composition；So
The pre-composition is put into double screw extruder melting mixing and extruding pelletization afterwards, obtains the compatilizers of SAG containing special construction
High performance polycarbonate composition；Wherein the screw slenderness ratio example of double screw extruder is (40-45):1, barrel temperature is 240-
260 DEG C, screw speed 400-500rpm.
The method have the benefit that：By herein described preparation method prepare the phases of SAG containing special construction
The high performance polycarbonate composition for holding agent selects the compatilizer of special preparation, improves the compatibility of PC resin and PET resin,
Ester exchange reaction therebetween can substantially be suppressed, improve the properties of product stability and toughness of blend；Separately due in phase
Hold it is selective in the preparation process of agent with the addition of appropriate dispersant, the damp and hot long-term behaviour on PC/PET alloys is influenceed drop
Low to arrive reduced levels, the initial mechanical performance of polycarbonate compositions of the invention and long-term hydrothermal aging performance have greatly
Optimization, higher occasion is required especially suitable for use environment.
Embodiment
In order to better understand the technological means of the present invention, and can be practiced according to the content of specification, below
In conjunction with specific embodiments, the embodiment of the present invention is described in further detail, following examples are used to illustrate this hair
It is bright, but it is not limited to the scope of the present invention.
Each raw material used in following specific embodiments and comparative example are as described below：
PC resin：Viscosity average molecular weigh is 20000, and trade mark S-3000F, producer is Mitsubishi.
PET resin：Viscosity is 0.85dl/g, and the trade mark is PET SB500, and producer is Yizheng petrochemical industry.
Compatilizer：SAG copolymers (styrene-acrylonitrile-GMA), self-control, preparation method ginseng
See below the preparation of SAG copolymers：
SAG copolymer-1s, GMA contents are 2wt.%, acrylonitrile content 28wt.%；0.5wt.% active calcium phosphate
Dispersant；
SAG copolymers -2, GMA content is 2wt.%, acrylonitrile content 28wt.%；1.2wt.% active calcium phosphate
Dispersant；
SAG copolymers -3, GMA content is 2wt.%, acrylonitrile content 28wt.%；2.0wt.% active calcium phosphate
Dispersant；
SAG copolymers -4, GMA content is 2wt.%, acrylonitrile content 28wt.%；0.1wt.% hydroxy ethyl fiber
Plain (CMC) dispersant.
Toughener：S-2001, producer are the beautiful sun of Mitsubishi.
Fire retardant：PhireGuard BDP, producer are refined gram of Jiangsu.
Synergistic flame retardant：Jetfine 3CA, producer are the auspicious stone of Italy's benefit.
Antioxidant：Chinox 1076；Producer is TaiWan, China double bond chemical industry.
Lubricant：UNISTER-M9676, producer are Japan Oil Co.
Anti-dripping agent：The trade mark is A3800, and producer is the beautiful sun of Mitsubishi.
The preparation of SAG copolymers：
By a part for styrene monomer, a part for acrylonitrile monemer, molecular weight regulator, oil-soluble initiator, point
Powder, dispersion aids and be (1-2.5) with total monomer weight ratio:1 deionized water is mixed in reactor, is heated up with stirring
To 65-80 DEG C, and react 0.5-2.0 hours；Residual styrene monomer, remaining acrylonitrile monemer and Glycidyl methacrylate is sweet
It is added dropwise after grease mixing in 0.5-2.0h in aforesaid reaction vessel, continues after reacting 0.5-3.0h, be warming up to 95 DEG C of curings
0.5-2.0h；Discharge in stock chest after end, cleaned 1-5 times with deionized water after resulting material is filtered, by gained filter cake
Sieved after being dried at 90 DEG C to constant weight, obtain SAG copolymers；Wherein styrene monomer, acrylonitrile monemer and methacrylic acid
Ethylene oxidic ester dosage is dodecyl according to ratio described in SAG copolymers in foregoing raw material, wherein molecular weight regulator
Mercaptan, oil-soluble initiator are azodiisobutyronitrile, and wherein the species of dispersant and dosage are according to accurate described in foregoing raw material
Standby, wherein dispersion aids is neopelex (DP) or lauryl sodium sulfate (DBS), can be selected as needed, two
Effect is the same here for kind dispersion aids.
Each raw material is weighed according to dosage is formulated described in table 1 below and table 2, each raw material for weighing gained is put into mixer
In be blended into uniformly, obtain pre-composition；Then the pre-composition is put into double screw extruder melting mixing and extruding pelletization, obtained
The high performance polycarbonate composition of the compatilizers of SAG containing special construction；Wherein the screw slenderness ratio example of double screw extruder is 40:
1, barrel temperature is 240-260 DEG C, screw speed 400-500rpm.
The specific embodiment 1-8 each component dosage (units of table 1：kg)
The comparative example 1-4 each component dosage (units of table 2：kg)
The high performance polycarbonate combination of the compatilizers of SAG containing special construction obtained by above-mentioned preparation is carried out into conventional breach to hang
Arm beam impact strength determines to be determined with notched Chalpy impact intensity after humid heat treatment, its assay method or the following institute of bioassay standard
State：
(1) conventional notched Chalpy impact intensity measure：Under the conditions of 23 DEG C, the thick molding breach cantilevers of 3.2mm are used
Beam impact rod measure notched Chalpy impact intensity, is determined notched Chalpy impact intensity according to ASTM D256, is recorded with J/m
As a result, it is expressed as initial performance.
(2) notched Chalpy impact intensity determines after humid heat treatment：By Izod notched impact batten be positioned over 85 DEG C and
500h is handled in 85% humidity environment, and continues to be hanged according to ASTM D256 measure breach after 23 DEG C and 50% humidity regulation 24h
Arm beam impact strength, result is recorded with J/m, be expressed as performance after high heat and humidity processing.
Measurement result is referring to described in table 3 and table 4.
The physical property measurement result of 3 specific embodiment of table 1~8
The physical property measurement result of 4 comparative example of table 1~4
The polycarbonate compositions phase obtained by embodiment 1-8 and comparative example 1-4 is can be seen that from above-mentioned table 3 and table 4
Than the notched-impact resistance after the initial notch impact property or humid heat treatment of the polycarbonate compositions obtained by comparative example 1-4
Can, high or low variation, it is impossible to while meet some toughness is required or harsh use condition under.Different from contrast
Example 1-4, the polycarbonate compositions obtained by the embodiment of the present invention are after the compatilizer using special preparation, the compatibility of alloy
It is greatly improved, the reaction of the two is also controlled, and toughness gets a promotion, additionally, due to dispersant in compatilizer
Selection and appropriate addition, the toughness after polycarbonate compositions humid heat treatment are greatly improved.
High performance polycarbonate compositions product obtained by the present invention can be widely applied to such as household electrical appliance, wall and open
Pass, kitchen appliance, house material, the part manufacture material etc. of automotive material and other industrial circles.
Above example is used for illustrative purposes only, rather than limitation of the present invention, the technology people about technical field
Member, without departing from the spirit and scope of the present invention, can also make various conversion or modification, therefore all equivalent
Technical scheme should also belong to scope of the invention, should be limited by each claim.
Claims (9)
- A kind of 1. high performance polycarbonate composition of the compatilizers of SAG containing special construction, it is characterised in that：Including it is following by weight The each component of part meter：PC resin 50-85 parts, PET resin 5-23 parts, compatilizer 0.01-5.0 parts, toughener 0.1-13.0 parts, resistance Fire agent 8-20 parts, antioxidant 0.01-2.0 parts and other auxiliary agents 0.01-0.8 parts；Wherein described compatilizer is SAG copolymers, and The SAG copolymers are by the first of 50-85wt.% styrene monomer, 10-40wt.% acrylonitrile monemer and 0.5-30wt.% Base glycidyl acrylate passes through the preparation technology institute including following preparation processes in aqueous medium using process for suspension polymerization Obtain：(1) on the basis of total monomer weight 100%, by a part for 50-85wt.% styrene monomers, 10-40wt.% propylene A part for nitrile monomer, the molecular weight regulator for accounting for monomer total amount 0.1-1.0wt.%, account for monomer total amount 0.1-1.0wt.% oil Soluble initiator, account for monomer total amount 0.1-3.0wt.% dispersants, account for monomer total amount 0.001-0.1wt.% dispersion aids and with Total monomer weight ratio is (1-2.5):1 deionized water is mixed in reactor, is warming up to 65-80 DEG C with stirring, and react 0.5-2.0 hours；(2) GMA of residual styrene monomer, remaining acrylonitrile monemer and 0.5-30wt.% is mixed It is added dropwise in aforesaid reaction vessel, continues after reacting 0.5-3.0h in 0.5-2.0h afterwards, is warming up to 95 DEG C of curing 0.5-2.0h；Knot Discharge in stock chest after beam, cleaned 1-5 times with deionized water after resulting material is filtered, gained filter cake is dried at 90 DEG C Sieved after to constant weight, obtain SAG copolymers；The dispersant is at least one of active calcium phosphate, hydroxyethyl cellulose and polyvinyl alcohol.
- 2. the high performance polycarbonate composition of the compatilizers of SAG containing special construction according to claim 1, its feature exist In：The molecular weight regulator is lauryl mercaptan, and the oil-soluble initiator is azodiisobutyronitrile；The dispersant is Activated calcium sulfate, and the dosage of the activated calcium sulfate is to account for the 0.7-2.0wt.% of monomer total amount；The dispersion aids is 12 At least one of sodium alkyl benzene sulfonate and lauryl sodium sulfate.
- 3. the high performance polycarbonate composition of the compatilizers of SAG containing special construction according to claim 1, its feature exist In：The content of acrylonitrile monemer is 27-30wt.% in the SAG copolymers, and the content of GMA is 1- 5wt.%.
- 4. the high performance polycarbonate composition of the compatilizers of SAG containing special construction according to claim 1, its feature exist In：The PC resin is viscosity average molecular weigh 10000-40000 at least one of aromatic copolycarbonate, the PET resin For inherent viscosity 0.5-0.9dl/g primary PET resin or regenerative PET resin.
- 5. the high performance polycarbonate composition of the compatilizers of SAG containing special construction according to claim 1, its feature exist In：The toughener is MBS, methyl methacrylate-acrylic acid copolymer Thing, ethylene-methyl acrylate copolymer, ethylene-butyl acrylate copolymer, ethylene-acrylate-Glycidyl methacrylate are sweet Grease terpolymer, the ethylene-vinyl acetate copolymer of maleic anhydride functional, acrylic compounds toughener and organic silicon rubber At least one of graft toughener.
- 6. the high performance polycarbonate composition of the compatilizers of SAG containing special construction according to claim 5, its feature exist In：The toughener is organic silicon rubber graft toughener, and wherein the volume average particle size of rubber is 200-2000nm.
- 7. the high performance polycarbonate composition of the compatilizers of SAG containing special construction according to claim 1, its feature exist In：The fire retardant is at least one of nitrogenous flame ratardant, phosphonium flame retardant and metal organic sulfonate fire retardant.
- 8. the high performance polycarbonate composition of the compatilizers of SAG containing special construction according to claim 1, its feature exist In：The phosphonium flame retardant is Triphenyl phosphate, lindol, tricresyl phosphate base diphenyl, tricresyl phosphate diformazan Phenylester, tricresyl phosphate (2,4,6- trimethylphenyls) ester, tricresyl phosphate (2,4- di-tert-butyl-phenyls) ester, the tricresyl phosphate (uncles of 2,6- bis- Butyl phenyl) ester, double (diphenyl phosphate) ester of resorcinol, hydroquinones double (diphenyl phosphate) ester, bisphenol-As-bis- (di(2-ethylhexyl)phosphates Phenyl) ester, double (2,6- di-tert-butyl-phenyls) phosphates of resorcinol and double (2,6- 3,5-dimethylphenyls) phosphates of hydroquinones At least one of.
- A kind of 9. high performance polycarbonate of the compatilizers of SAG containing special construction in claim 1 to 8 described in any claim The preparation method of composition, it is characterised in that：Comprise the steps：(1) preparation of SAG compatilizers：On the basis of total monomer weight 100%, by one of 50-85wt.% styrene monomers Point, the parts of 10-40wt.% acrylonitrile monemers, account for monomer total amount 0.1-1.0wt.% molecular weight regulator, to account for monomer total Amount 0.1-1.0wt.% oil-soluble initiators, account for monomer total amount 0.1-3.0wt.% dispersants, account for monomer total amount 0.001- 0.1wt.% dispersion aids and be (1-2.5) with total monomer weight ratio:1 deionized water is mixed in reactor, with stirring 65-80 DEG C is warming up to, and reacts 0.5-2.0 hours；By residual styrene monomer, remaining acrylonitrile monemer and 0.5-30wt.% GMA mixing after be added dropwise in 0.5-2.0h in aforesaid reaction vessel, continue react 0.5-3.0h Afterwards, 95 DEG C of curing 0.5-2.0h are warming up to；Discharge in stock chest after end, cleaned after resulting material is filtered with deionized water 1-5 times, sieved after gained filter cake is dried to constant weight at 90 DEG C, obtain SAG copolymers；Wherein described molecular weight regulator is Lauryl mercaptan, the oil-soluble initiator are azodiisobutyronitrile, and the dispersant is active calcium phosphate, hydroxy ethyl fiber At least one of element and polyvinyl alcohol；(2) it will will be blended into uniformly in each raw material input mixer for weighing gained by formula dosage, obtain pre-composition；Then will Pre-composition input double screw extruder melting mixing and extruding pelletization, obtain the high property of the compatilizers of SAG containing special construction Can polycarbonate compositions；Wherein the screw slenderness ratio example of double screw extruder is (40-45):1, barrel temperature is 240-260 DEG C, screw speed 400-500rpm.
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