CN106589881A - Polycarbonate composition and preparing method thereof - Google Patents
Polycarbonate composition and preparing method thereof Download PDFInfo
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- CN106589881A CN106589881A CN201611062680.5A CN201611062680A CN106589881A CN 106589881 A CN106589881 A CN 106589881A CN 201611062680 A CN201611062680 A CN 201611062680A CN 106589881 A CN106589881 A CN 106589881A
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
Abstract
The invention discloses a polycarbonate composition and a preparing method thereof. The polycarbonate composition is prepared from, by weight, 30-75 parts of polycarbonate, 0-35 parts of grafted copolymer, 5-25 parts of fire retardant and 5-35 parts of mineral filler, and based on the total weight of the polycarbonate composition, the weight content of potassium element is 10-200 ppm. A potassium-containing compound with low content of soluble potassium is added into the polycarbonate composition, or addition of other potassium-containing compounds is reduced or avoided, and the content of the potassium element in the polycarbonate composition is controlled within the range of 10-200 ppm, so that the hygrothermal aging resistance conservation rate of the polycarbonate composition is larger than 70% after the polycarbonate composition is baked for 500 h at the temperature of 90 DEG C and the humidity of 90%, the hygrothermal aging resistance is improved obviously, the chromatism value after the polycarbonate composition is baked for 200 h at the temperature of 85 DEG C is smaller than 8, the color grade is three grade or more, and the polycarbonate composition has good color stability.
Description
Technical field
The present invention relates to engineering plastics technical field, more particularly to a kind of polycarbonate compositions and preparation method thereof.
Background technology
Polycarbonate has compared with characteristics such as high-impact and thermostabilitys, is to improve its processing characteristics and to notch shock
Sensitive shortcoming, it is polymer-modified to may be typically added rubber-like, such as ABS, MBS, particularly with PC and ABS as primary raw material
PC/ABS alloys are a kind of important engineering plastics, can comprehensive both premium properties, accomplish physical property and processing characteristics
It is improved, but due to the addition of ABS, double bond can bring the hidden of long-term thermal-oxidative aging property and weather resistance in system
Suffer from, particularly require use environment higher occasion, its surface easily forms defect and its color is susceptible to change.
Patent CN102292393 is disclosed can improve surface quality after hot wet storage using salt field trash, therefore
It is suitable for preparing the moulded work with ageing-resistant zero defect class-A surfaces；
The present inventor through many experiments surprisingly it has been found that, in polycarbonate compositions, by addition have it is relatively low can
The potassium-containing compound of dissolubility potassium content and the addition of other potassium-containing compounds is reduced or avoids, by polycarbonate compositions
The content of potassium element is controlled in the range of 1-40ppm, can make obtained polycarbonate compositions under 90 DEG C and 90% humidity
After baking 500h, wet and heat ageing resistant property retention rate is more than 70%, and the value of chromatism after toasting 200h at 85 DEG C is less than 8, color
3 grades of grade or more, not only with the wet and heat ageing resistant performance being obviously improved, and with excellent colour stability.
The content of the invention
In order to overcome the shortcoming of prior art with it is not enough, the primary and foremost purpose of the present invention be provide it is a kind of have be obviously improved
The polycarbonate compositions of wet and heat ageing resistant performance and excellent colour stability.
Another object of the present invention is to provide the preparation method of above-mentioned polycarbonate compositions.
The present invention is achieved by the following technical solutions：
A kind of polycarbonate compositions, by weight, including following component：
30 parts -75 parts of Merlon；
0 part -35 parts of graft copolymer；
5 parts -25 parts of fire retardant；
5 parts -35 parts of mineral filler；
Wherein, the gross weight based on polycarbonate compositions, the weight content of potassium element is 10ppm-200ppm.
The weight content of the potassium element is adopted and determined with the following method：Weigh 200mg polycarbonate compositions samples (accurate
To 0.1mg) in 50ml volumetric flasks, add 5ml nitric acid, 0.1-1ml hydrogen peroxide, the constant volume that adds water to cover bottle to assigned scale
Lid is put into microwave oven and clears up, and opens bottle cap, is cooled to room temperature, adds 4mlHCL liquid, covers bottle cap, is put into secondary in microwave oven disappearing
Solution, after be cooled to room temperature, filter, digestion solution is taken into 1ml by the ICP-MS of Agilent Tcechnologies 700series
Mixed mark method is tested, and finally measures the Determination of Potassium in polycarbonate compositions, and detection is limited to 2ppm.
The present invention passes through research and finds, has containing for relatively low Content of soluble potassium by addition in polycarbonate compositions
Potassium compound, and reduce or avoid the addition of other potassium-containing compounds, and potassium element in polycarbonate compositions is contained
Amount control can stablize hydrolytic stability of the polycarbonate resin in hygrothermal environment in the range of 10ppm-200ppm, can make
Obtained polycarbonate compositions are toasted after 500h under 90 DEG C and 90% humidity, and wet and heat ageing resistant property retention rate is more than
70%, 85 DEG C toast 200h after value of chromatism be less than 8,3 grades of color grade or more, the wet and heat ageing resistant that can obviously improve
Can, and with good color stability.When the content of potassium element is higher than 200ppm, there is the outward appearance in injection moulding process in compositionss
Potential problem, when the content of potassium element is less than 10ppm, hydrothermal aging rate of decay increases.
Preferably, the gross weight based on polycarbonate compositions, the weight content of potassium element is 30ppm-150ppm, more excellent
Elect 50ppm-100ppm as.
Wherein, the potassium element derives from potassium-containing compound, and potassium-containing compound is selected from+1 valency soluble potassium salt of non-halogen system,
It is chosen in particular from one or more in potassium sulfate, potassium phosphate, potassium nitrate, potassium sulfonate.The addition of potassium-containing compound is so that poly- carbon
The content of potassium element is to be advisable in the range of 10ppm-200ppm in acid ester composite.
Wherein, the Merlon is selected from aromatic copolycarbonate, fatty poly-ester carbonate, the poly- carbon of aromatic-aliphatic
One or more in acid esters, branching polycarbonate, siloxane copolycarbonate；Preferably aromatic copolycarbonate.
The Merlon is the aromatic copolycarbonate of viscosity-average molecular weight 13000-40000, more preferably glues equal molecule
The aromatic copolycarbonate of amount 16000-28000.When viscosity-average molecular weight within the above range, mechanical strength is good and can keep
Excellent mouldability.Wherein, viscosity-average molecular weight is tested by viscosimetry：Using dichloromethane as solvent, test temperature is 25 DEG C.
The preparation method of above-mentioned Merlon can be obtained by interfacial polymerization and ester-interchange method, and can be in process
The content of middle control terminal hydroxy group.
Wherein, the graft copolymer is selected from prepared by mass polymerization, emulsion polymerization, bulk-suspension polymerization method connecing
One or more of graft copolymer.
Mass polymerization：Including colloidal sol, prepolymerization, polymerization, five steps of devolatilization and pelletize：By rubber solution in ethylbenzene and
In styrene, monomer is added to be made into material liquid according to formula ratio, the material liquid for preparing is input in prepolymerization kettle carries out prepolymerization,
In polymerization process, grafting rubbers monomer, while monomer copolymerization, separates from solution, formation is dispersed in material liquid continuous
Discontinuous phase in phase, after being polymerized with enough monomers, the copolymer of discontinuous phase becomes continuous phase, the rubber of grafting
Form discontinuous phase to be dispersed in continuous copolymer phase, complete phase in version, eventually pass further polymerization, vacuum outgass are squeezed
Go out, cooling and pelletizing obtain end article；
Bulk-suspension polymerization method：Rubber and monomer solution are adjusted according to formula, and notifies to add polymerization regulator and freedom
Base initiator, polymerisation in bulk is carried out by monomer mixture at 80 DEG C -120 DEG C, is stirred continuously in polymerization process, and by deionized water
It is added in mixture with suspending agent, is disperseed mixture, then carry out suspension polymerisation using free radical catalyst, obtains
Through cohesion after certain degree of polymerization, filter, washing, pelletize after being dehydrated and being dried obtains product；
Emulsion polymerization：Rubber is by the way that in initiator, deionized water, emulsifying agent and cross-linking agent, polymerization temperature is controlled 50
DEG C -80 DEG C, monomer mixture is added to into elastomer latex and is grafted, finally washed, pelletize system after being dehydrated and being dried
Product.
The graft copolymer is selected from acrylonitritrile-styrene resin AS, acrylonitrile-butadiene-styrene (ABS) graft copolymerization
Thing ABS, methyl methacrylate-nitrile-butadiene-styrene copolymer MABS, acrylonitrile-styrene-acrylic acid ternary are total to
One or more in polymers ASA, MBS graft copolymer MBS；The wherein particle diameter of MBS
It is preferred that 0.1um-0.5um, the preferred 0.1um-2um of mass polymerization ABS particle diameter, the preferred 0.05um- of emulsion polymerization ABS particle diameters
0.2um。
More preferably acrylonitrile-butadiene-phenylethene grafted copolymer ABS, wherein butadiene rubber matter polymer
Weight fraction in ABS is 5wt%-50wt%, and particle diameter distribution can be uniform either with two or with upward peak
Many distributions.
Wherein, the fire retardant is selected from halogenated flame retardant or halogen-free flame retardants, preferred halogen-free flame retardants；The halogen system is fire-retardant
Agent selected from brominated Polystyrene, brominated polyphenylether, brominated bisphenol a type epoxy resin, brominated styrene-copolymer-maleic anhydride,
Brominated epoxy resin, bromination phenoxy resin, deca-BDE, decabromodiphenyl, brominated polycarbonate, the cyclopentadecane of perbromo- three
Or one or more of brominated aromatic cross linked polymer, preferably brominated Polystyrene；The halogen-free flame retardants is selected from nitrogenous
One or more in fire retardant, phosphonium flame retardant or nitrogenous and phosphorus fire retardant, preferably phosphonium flame retardant.
Preferably, the phosphonium flame retardant is selected from Triphenyl phosphate, lindol, tricresyl phosphate base diphenyl
Ester, tricresyl phosphate dimethylbenzene base ester, tricresyl phosphate (2,4,6- trimethylphenyls) ester, tricresyl phosphate (2,4- di-tert-butyl-phenyls) ester, phosphorus
It is sour three (2,6- di-tert-butyl-phenyls) esters, resorcinol double (diphenyl phoshates), hydroquinone double (diphenyl phoshates), double
Phenol A- double (diphenyl phoshates), resorcinol double (2,6- di-tert-butyl-phenyl phosphate esters), double (the 2,6- dimethyl of hydroquinone
Phenyl phosphate ester) one or more.
The mineral filler, is specifically as follows Pulvis Talci, wollastonite, Kaolin, clay, whisker, kieselguhr etc., mineral
Filler can not carry out any surface treatment, or coating processing, for example alkyl surface cladding, at epoxy-surface
Reason, amide surface process, hydroxy silicon oil, alkyl silane, methoxy silane, sulfonic group etc. are processed.
According to different purposes needs, other of 0-20 weight portions can also be included in the polycarbonate compositions of the present invention
Auxiliary agent, such as selected from stabilizer, anti-dripping agent, lubricant, releasing agent, plasticizer, coloring agent one or more.
Suitable stabilizer includes organic phosphite, such as triphenyl phosphite, phosphorous acid three-(2,6- 3,5-dimethylphenyl)
Ester, phosphorous acid three-nonyl phenylester, dimethylbenene phosphonate, trimethyl phosphate etc., pentaerythrite diphosphate ester (such as double (2,6-
Di-t-butyl -4- aminomethyl phenyls) pentaerythritol diphosphate), organic phosphite, alkylating monohydric phenol or polyhydric phenols,
The butylation product of the alkylation reaction product of polyhydric phenols and diene, paracresol or bicyclopentadiene, alkylating hydrogen
Quinones, hydroxylated thiodiphenvl ethers, alkylidene-bis-phenol, benzyl compounds, polyhydric alcohol esters, benzotriazole, hexichol
One or more combinations of ketone class.
Suitable anti-dripping agent is preferably fluorinated polyolefin, such as politef.
Suitable plasticizer is phthalic acid ester.
The lubricant be ethylene bis stearamide EBS, erucyl amide, silicone oil, PETS in one or two kinds of and with
On mixture.
Suitable releasing agent includes metallic stearic salt, allcyl stearate class, stearic acid pentaerythritol esters, stone
Wax, lignite wax etc..
Suitable coloring agent includes various pigment, such as dyestuff, white carbon black.
The preparation method of above-mentioned polycarbonate compositions, comprises the steps：
1) potassium-containing compound is made into the distilled water solution of 0.01% mass fraction；
2) solution is quantitatively adding into the height containing polycarbonate resin that premix temperature is 70 DEG C -80 DEG C by liquid pump
Be blended in mixed machine, the blending time be 2min-5min, after by temperature be increased to 110 DEG C -120 DEG C maintenance 20min-30min,
Obtain the Merlon of pretreatment；
3) Merlon of pretreatment, graft copolymer, fire retardant, mineral filler, other auxiliary agents are proportionally weighed
Afterwards, blending is completed by high mixer or mixer, extrusion crosses water cooling, and pelletize obtains the polycarbonate composition of cylindrical particle
Thing.
The present invention compared with prior art, has the advantages that：
The present invention in polycarbonate compositions, by addition with relatively low Content of soluble potassium potassium-containing compound and
The addition of other potassium-containing compounds is reduced or avoided, the content of potassium element in polycarbonate compositions is controlled in 10-
In the range of 200ppm, obtained polycarbonate compositions can be made to toast after 500h under 90 DEG C and 90% humidity, wet-heat resisting is old
Change property retention rate and be more than 70%, hence it is evident that improve the thermo-oxidative stability of polycarbonate compositions, and after toasting 200h at 85 DEG C
Value of chromatism be less than 8,3 grades of color grade or more, with excellent colour stability.
Specific embodiment
The present invention is further illustrated below by specific embodiment, following examples are the present invention preferably embodiment party
Formula, but embodiments of the present invention are not limited by following embodiments.
Merlon used in the present invention：
PC viscoelastic elements amount is 24000 (Mitsubishis)；
Graft copolymer used in the present invention：
ABS emulsion polymerizations, particle diameter 0.05um-0.2um, wherein weight of the butadiene rubber matter polymer in ABS point
It is 25wt% to count, 757 (Taiwan is very beautiful)；
MBS particle diameter 0.1um-0.5um, EM500 (Korea LG)；
Fire retardant used in the present invention：
BDP, bisphenol-A-bis- (diphenyl phoshate) CR741 (big eight) of Japan；
Mineral filler：Pulvis Talci H30 (woods chemical conversion)；
Potassium-containing compound used in the present invention such as potassium sulfate, potassium phosphate derive from commercial；
Other auxiliary agents used in the present invention：
Stabilizer：PEP-36 (double (2,6- di-t-butyl -4- aminomethyl phenyls) pentaerythritol diphosphates)；
Lubricant：PETS, Long Sha；
Anti-dripping agent：PTFE (politef) micropowder, great Jin
Coloring agent：White carbon black M717, Cabot.
The testing standard or method of each performance：
The method of testing of Determination of Potassium：Weigh 200mg polycarbonate compositions samples (being accurate to 0.1mg) to 50ml appearances
In measuring bottle, 5ml nitric acid, 0.1-1ml hydrogen peroxide, the constant volume that adds water is added to cover bottle cap and be put into microwave oven and clear up to assigned scale,
Open bottle cap, be cooled to room temperature, add 4mlHCL liquid, cover bottle cap, be put into it is secondary in microwave oven clear up, after be cooled to room temperature,
Filter, digestion solution taken into 1ml and is tested by the mixed mark methods of the ICP-MS of Agilent Tcechnologies 700series,
The Determination of Potassium in compositionss is finally measured, detection is limited to 2ppm.
Wet and heat ageing resistant performance：The particle of extrusion is shaped to into the survey that ASTM standard stretches I types under 270 DEG C of injection temperatures
Test plate (panel) material, is placed under the constant-temperature constant-humidity environment of 25 DEG C of temperature and 25% humidity after 48h after injection, and test board is put in
Take out after the constant temperature oven baking 500h of 90 DEG C and 90% humidity, be placed on the constant temperature and humidity ring of 25 DEG C of temperature and 25% humidity
Under border after 48h, the tensile strength (test speed is 10mm/min) before and after record placement, by calculating property retention rate；
Colour stability：The particle of extrusion is shaped to into the test board of 100mm*100mm*2mm under 270 DEG C of injection temperatures
Material, is placed under the constant-temperature constant-humidity environment of 25 DEG C of temperature and 25% humidity after 48h after injection, and record YI values are YI0, after will survey
Test plate (panel) is put in after 85 DEG C of constant temperature oven baking 200h and takes out, under being placed on the constant-temperature constant-humidity environment of 25 DEG C of temperature and 25% humidity
After 48h, record YI values are YI, and by formula YI-YI0 grade, value of calculation are calculated<3 is grade 1,3<Value of calculation<5 is grade 2；5
<Value of calculation<8 is grade 3；Value of calculation>8 is class 4；
Embodiment 1-16 and comparative example 1-2：The preparation of polycarbonate compositions
Potassium-containing compound is made into into the distilled water solution of 0.01% mass fraction；Solution is quantitatively adding by liquid pump
Premix temperature is to be blended in 70 DEG C -80 DEG C of the high mixer containing polycarbonate resin, and the blending time is 2min-5min,
Afterwards temperature is increased to into 110 DEG C of -120 DEG C of maintenance 20min-30min, obtains the Merlon of pretreatment；Will be pre- by the formula of table 1
After the Merlon of process, graft copolymer, fire retardant, mineral filler, other auxiliary agents are proportionally weighed, by high mixer or
Person's mixer completes blending, and extrusion crosses water cooling, and pelletize obtains the polycarbonate compositions of cylindrical particle；To Merlon group
Compound carries out performance test, and data are shown in Table 1.
The concrete proportioning (weight portion) and its test performance result of embodiment 1-16 of table 1 and comparative example 1-2
Continued 1：
From the embodiment of table 1 and relatively can be seen that for comparative example：By in polycarbonate compositions addition have compared with
The potassium-containing compound of low Content of soluble potassium, the content of potassium element in polycarbonate compositions is controlled in 10-200ppm scopes
It is interior, obtained polycarbonate compositions can be made to toast under 90 DEG C and 90% humidity after 500h, wet and heat ageing resistant property retention
Rate is more than 70%, hence it is evident that improve the wet and heat ageing resistant performance of polycarbonate compositions, and the aberration after toasting 200h at 85 DEG C
Value is less than 8,3 grades of color grade or more, with excellent colour stability.In comparative example 1-2, potassium in polycarbonate compositions
The content of element less than 10ppm or during higher than 200ppm, the wet and heat ageing resistant performance of polycarbonate compositions and colour stability
It is poor.
Claims (12)
1. a kind of polycarbonate compositions, it is characterised in that by weight, including following component：
30 parts -75 parts of Merlon；
0 part -35 parts of graft copolymer；
5 parts -25 parts of fire retardant；
5 parts -35 parts of mineral filler.
2. polycarbonate compositions according to claim 1, it is characterised in that the gross weight based on polycarbonate compositions
Amount, the weight content of potassium element is 10ppm-200ppm.
3. polycarbonate compositions according to claim 2, it is characterised in that the weight content of the potassium element is using such as
Lower method is determined：200mg polycarbonate compositions samples are weighed, 0.1mg is accurate to, in 50ml volumetric flasks, 5ml nitre is added
Acid, 0.1-1ml hydrogen peroxide, the constant volume that adds water covers bottle cap and is put into microwave oven and clear up to assigned scale, opens bottle cap, is cooled to
Room temperature, add 4mlHCL liquid, cover bottle cap, be put into it is secondary in microwave oven clear up, after be cooled to room temperature, filter, digestion solution is taken
1ml mixes mark method and is tested by the ICP-MS of the series of Agilent Tcechnologies 700, finally measures poly- carbonic acid
Determination of Potassium in ester compositionss, detection is limited to 2ppm.
4. polycarbonate compositions according to claim 2, it is characterised in that the gross weight based on polycarbonate composite material
Amount, the weight content of potassium element is 30ppm-150ppm, preferably 50ppm-100ppm.
5. polycarbonate compositions according to any one of claim 1-4, it is characterised in that the Merlon is selected from virtue
Fragrant adoption carbonic ester, fatty poly-ester carbonate, aromatic-aliphatic Merlon, branching polycarbonate, copolymeric siloxane carbonic acid
One or more in ester；Preferably aromatic copolycarbonate.
6. polycarbonate compositions according to claim 5, it is characterised in that the aromatic copolycarbonate is selected from viscous equal
The aromatic copolycarbonate of molecular weight 13000-40000, viscosity-average molecular weight is tested by viscosimetry：Using dichloromethane as molten
Agent, test temperature is 25 DEG C, preferably the aromatic copolycarbonate of viscosity-average molecular weight 16000-28000.
7. polycarbonate compositions according to any one of claim 1-4, it is characterised in that the graft copolymer is selected from
Acrylonitritrile-styrene resin AS, acrylonitrile-butadiene-phenylethene grafted copolymer ABS, methyl methacrylate-propylene
Nitrile-butadienestyrene copolymer MABS, acrylonitrile-styrene-acrylic ternary copolymer ASA, methyl methacrylate-fourth
One or more in styrene graft copolymer MBS；Preferably acrylonitrile-butadiene-phenylethene grafted copolymer
ABS。
8. polycarbonate compositions according to any one of claim 1-4, it is characterised in that the fire retardant is selected from halogen system
Fire retardant or halogen-free flame retardants, preferred halogen-free flame retardants；The halogenated flame retardant selected from brominated Polystyrene, brominated polyphenylether,
Brominated bisphenol a type epoxy resin, brominated styrene-copolymer-maleic anhydride, brominated epoxy resin, bromination phenoxy resin, ten
One kind of dibromodiphenyl ether, decabromodiphenyl, brominated polycarbonate, the cyclopentadecane of perbromo- three or brominated aromatic cross linked polymer or
It is several, preferably brominated Polystyrene；The halogen-free flame retardants is selected from nitrogenous flame ratardant, phosphonium flame retardant, nitrogenous and phosphorus resistance
One or more in combustion agent, preferably phosphonium flame retardant.
9. polycarbonate compositions according to claim 8, it is characterised in that the phosphonium flame retardant is selected from phosphoric acid triphen
Base ester, lindol, tricresyl phosphate base diphenyl, tricresyl phosphate dimethylbenzene base ester, tricresyl phosphate (2,4,6- trimethylbenzenes
Base) ester, tricresyl phosphate (2,4- di-tert-butyl-phenyls) ester, tricresyl phosphate (2,6- di-tert-butyl-phenyls) ester, the double (di(2-ethylhexyl)phosphate of resorcinol
Phenylester), hydroquinone double (diphenyl phoshate), bisphenol-A-bis- (diphenyl phoshate), double (the tertiary fourths of 2,6- bis- of resorcinol
Base phenyl phosphate ester), hydroquinone double (2,6- dimethylphenylphosphates) one or more.
10. polycarbonate compositions according to any one of claim 1-4, it is characterised in that the potassium element is derived from
Potassium-containing compound, the potassium-containing compound is chosen in particular from potassium sulfate, potassium phosphate, nitre selected from+1 valency soluble potassium salt of non-halogen system
One or more in sour potassium, potassium sulfonate.
11. polycarbonate compositions according to any one of claim 1-4, it is characterised in that the polycarbonate composition
Also including other auxiliary agents of 0-20 weight portions, described other auxiliary agents are selected from stabilizer, anti-dripping agent, lubricant, releasing agent, plasticising to thing
One or more of agent, coloring agent.
The preparation method of 12. polycarbonate compositions according to any one of claim 1-11, it is characterised in that include as
Lower step：
1）Potassium-containing compound is made into into the distilled water solution of 0.01% mass fraction；
2）Solution is quantitatively adding into the high mixer containing polycarbonate resin that premix temperature is 70 DEG C -80 DEG C by liquid pump
In be blended, the blending time be 2min-5min, after by temperature be increased to 110 DEG C -120 DEG C maintenance 20min-30min, obtain
The Merlon of pretreatment；
3）After the Merlon of pretreatment, graft copolymer, fire retardant, mineral filler, other auxiliary agents are proportionally weighed, lead to
Cross high mixer or mixer completes blending, extrusion crosses water cooling, and pelletize obtains the polycarbonate compositions of cylindrical particle.
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| CN201611062680.5A CN106589881B (en) | 2016-11-25 | 2016-11-25 | Polycarbonate composition and preparation method thereof |
| PCT/CN2017/107747 WO2018095190A1 (en) | 2016-11-25 | 2017-10-26 | Polycarbonate composition and method for preparing same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018095190A1 (en) * | 2016-11-25 | 2018-05-31 | 金发科技股份有限公司 | Polycarbonate composition and method for preparing same |
| CN110408154A (en) * | 2019-08-19 | 2019-11-05 | 南京天诗实验微粉有限公司 | A kind of modified ptfe anti-dripping agent and preparation method thereof |
| CN112552668A (en) * | 2020-10-21 | 2021-03-26 | 金发科技股份有限公司 | Long-term stable polycarbonate composition and preparation method thereof |
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| CN105885378A (en) * | 2016-04-27 | 2016-08-24 | 天津金发新材料有限公司 | Low-precipitation high-filling high-modulus flame-retardant PC (polycarbonate)/ABS (acrylonitrile-butadiene-styrene grafted copolymer) composition |
| CN106589881B (en) * | 2016-11-25 | 2020-04-14 | 金发科技股份有限公司 | Polycarbonate composition and preparation method thereof |
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| WO2018095190A1 (en) * | 2016-11-25 | 2018-05-31 | 金发科技股份有限公司 | Polycarbonate composition and method for preparing same |
| CN110408154A (en) * | 2019-08-19 | 2019-11-05 | 南京天诗实验微粉有限公司 | A kind of modified ptfe anti-dripping agent and preparation method thereof |
| CN112552668A (en) * | 2020-10-21 | 2021-03-26 | 金发科技股份有限公司 | Long-term stable polycarbonate composition and preparation method thereof |
Also Published As
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| CN106589881B (en) | 2020-04-14 |
| WO2018095190A1 (en) | 2018-05-31 |
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