CN103421293A - Polycarbonate composite material and preparation method thereof - Google Patents
Polycarbonate composite material and preparation method thereof Download PDFInfo
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- CN103421293A CN103421293A CN201310345362XA CN201310345362A CN103421293A CN 103421293 A CN103421293 A CN 103421293A CN 201310345362X A CN201310345362X A CN 201310345362XA CN 201310345362 A CN201310345362 A CN 201310345362A CN 103421293 A CN103421293 A CN 103421293A
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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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- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
-
- 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
-
- 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
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
- B29C2948/92895—Barrel or housing
Abstract
The invention is applicable to the technical field of polymeric materials, and provides a polycarbonate composite material and a preparation method thereof. The polycarbonate composite material comprises 75-90 parts of polycarbonate, 5-15 parts of organosilicone-polycarbonate block copolymer, 3-6 parts of toughening agent, 0.2-1 part of ultraviolet absorber, 0.1-0.5 parts of lubricant and 0.2-1 part of antioxidant, wherein the melt index of the polycarbonate is 3-15g/10min under the conditions of 300 DEG C and 1.2kg, and the melt index of the organosilicone-polycarbonate block copolymer is 1-10g/10min under the conditions of 300 DEG C and 1.2kg. The preparation method of the polycarbonate composite material comprises the following steps: mixing the components of the composite material; and extruding and granulating the mixture by using a twin-screw extruder. The polycarbonate (PC) composite material has relatively high toughness, corrosion resistance and low temperature impact resistance.
Description
Technical field
The invention belongs to technical field of polymer materials, relate in particular to a kind of polycarbonate composite material and preparation method thereof.
Background technology
Polycarbonate (Polycarbonate is called for short PC) is the high molecular polymer that contains carbonate group in molecular chain.Its excellent combination property, have higher shock strength and good transparency, can in wide temperature range, keep good physical strength, good electrical property, higher dimensional stability and good moulding processability, therefore has purposes widely.But the polycarbonate of current use also has that for example melt viscosity is large, and processing fluidity is poor, to breach sensitivity, the shortcomings such as poor solvent resistance.
In the optical communication network; because restriction or the optical cable of cable length needs branch on transmission route; therefore need to use fiber cable joint to be connected; utilize the cable junction box butt junction to be protected simultaneously; because most optical cables are positioned at underground; in the environment of the contour corrosion in deep-sea; and these optical cables can guarantee that normal communication is more than 25 years; therefore for these optical cables and joint terminal box, have relatively high expectations; it is good that they should possess ageing resistance; physical strength is high, and stopping property and anti-lightning are strong, the characteristics such as anti-condensation of moisture, waterproof and dustproof, insect-pest and the plague of rats.At present, this kind of products production cost is high, and effect is not ideal.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of polycarbonate composite material, its preparation method and application, is intended to solve the undesirable problem of carbonate material cold and corrosion resistant performance prepared in prior art.
The embodiment of the present invention is achieved in that a kind of polycarbonate composite material, comprises following component (in parts by weight):
The melting index of wherein said polycarbonate under 300 ℃ and 1.2kg condition is 3-15g/10min, and the melting index of described organosilicon-polycarbonate block copolymer under 300 ℃ and 1.2kg condition is 1-10g/10min.
Another purpose of the embodiment of the present invention is to provide a kind of preparation method of polycarbonate composite material, comprises the following steps:
Obtain each component of above-mentioned polycarbonate composite material, be mixed to get mixture;
Utilize twin screw extruder by described mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 200～220 ℃, a district, two 230～250 ℃, 230～240 230～240 ℃， 4th district, ℃， 3rd district, districts, five 230～250 ℃, districts, six 220～240 ℃, 200～220 200～220 ℃， 8th district, ℃， 7th district, districts, 230～260 ℃ of heads, the rotating speed of described double-screw extruder screw is 280～350 rev/mins.
Another purpose of the embodiment of the present invention is to provide a kind of cable junction box of being made by polycarbonate composite material, and this cable junction box is for connecting subterranean cable and submarine optical fiber cable.
Added organosilicon-polycarbonate block copolymer in the polycarbonate that the embodiment of the present invention provides (PC) matrix material, this segmented copolymer effectively reduces the internal stress of this resin matrix, increase toughness and the erosion resistance of PC matrix material, increased the low-temperature impact-resistant performance of PC matrix material simultaneously; By adding toughner, further effectively reduce the internal stress of resin matrix, increased toughness and the weather resistance of PC matrix material.PC composite material and preparation method thereof operation provided by the invention is simple, easily control, and cost is low, is applicable to suitability for industrialized production.
Embodiment
In order to make the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention provides a kind of polycarbonate composite material of cold and corrosion resistant, comprises following component (in parts by weight):
The melting index (MI) of wherein said polycarbonate (PC) under 300 ℃ and 1.2kg condition be 3-15g/10min, described organosilicon-polycarbonate block copolymer 300 ℃ with the 1.2kg condition under melting index be 1-10g/10min.
Preferably, the melting index MI of the polycarbonate used in the embodiment of the present invention under 300 ℃ and 1.2kg condition is 4-8g/10min.Polycarbonate component under this condition can improve the toughness of gained PC matrix material effectively.
Organosilicon-the polycarbonate block copolymer used in the embodiment of the present invention, claim again polydimethylsiloxane-polycarbonate block copolymer, be by α, ω-dichloro-polydimethylsiloxane and dihydroxyphenyl propane condensation, obtain the polydimethylsiloxane that two ends are the dihydroxyphenyl propane group; And then add the dihydroxyphenyl propane photoreactive gas to carry out copolycondensation, finally obtain organosilicon-polycarbonate block copolymer.Contain polydimethylsiloxane and polycarbonate structure in this copolymer molecule chain, because of the introducing of dimethyl siloxane chain link, reduced softening temperature and the melting viscosity of pure polycarbonate (PC), improved impelling strength and pyrolysis temperature range.Preferably, the melting index MI of the organosilicon-polycarbonate block copolymer used in the embodiment of the present invention under 300 ℃ and 1.2kg condition is 2-6g/10min.
Use organosilicon-polycarbonate block copolymer in the embodiment of the present invention, effectively reduce the internal stress of resin matrix, increase toughness and the erosion resistance of PC matrix material, increase the shock strength of gained PC matrix material and the performance under cold condition simultaneously.
Particularly, the toughner used in the embodiment of the present invention contains organosilicon/vinylformic acid and methyl methacrylate, and wherein organosilicon/vinylformic acid is core, and methyl methacrylate is that hull shape becomes nucleocapsid structure, and wherein silicone content is 10wt%-30wt%.This kind of toughner is the anti-impact modifier of a kind of efficient, low-temperature impact-resistant, weathering resistance; As the S-2001 of the beautiful sun of Mitsubishi, S-2030 etc.
The UV light absorber of using in the embodiment of the present invention is preferably benzotriazole compound or benzophenone, as one or more of UV531 (Octabenzone), UV944, UV5411 (2 (the tertiary octyl phenyl of 2-hydroxyl-5-) benzotriazole).The existence of this UV light absorber component, make gained PC matrix material except having above-mentioned good characteristic, also has weathering resistance, the ageing resistance of enhancing.
The lubricant used in the embodiment of the present invention is: ethene stearylamide or ethylene bis stearamide, as: EBS etc.
The antioxidant component used in the embodiment of the present invention preferably includes main anti-oxidant and auxiliary antioxidant, and wherein the mass ratio of main anti-oxidant and auxiliary antioxidant is preferably 1:1-1:3.Wherein, this main anti-oxidant is preferably β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, and its molecular weight is 530.86g/mol; Auxiliary antioxidant is preferably three (2,4-di-tert-butyl-phenyl) phosphorous acid ester, and molecular weight is 646.9g/mol.By the acting in conjunction of primary antioxidant and auxiliary antioxidant and other components, effectively improve the antioxidant property of this PC matrix material in PC matrix material of the present invention, further strengthened the stability of PC matrix material.
The polycarbonate composite material that the embodiment of the present invention provides also can comprise stablizer, this stablizer is can be Pb stabilizer, as lead sulfate tribasic, dibasic lead stearate, or metal soap stablizer, as Zinic stearas (ZnSt), lead stearate (PbSt) etc., certainly, can use the stablizer of the other types of this area to substitute.The existence of stabilizer component, be conducive to reduce PC composite material surface tension force, prevents the effects such as light, thermolysis or oxygenolysis.
The polycarbonate composite material that the embodiment of the present invention provides also can comprise white mineral oil, and this white mineral oil can be this area white mineral oil commonly used, and this white mineral oil accounts for the 0.6-1wt% of this matrix material gross weight.
White mineral oil plays the powder auxiliary agents such as organosilicon-polycarbonate block copolymer, toughner is bonded on the PC particle, plays good dispersion effect and lubrication, has optimized the process engineering of material.
PC matrix material of the present invention, by adding organosilicon toughner, further effectively reduce the internal stress of resin matrix, increased toughness and the weather resistance of PC matrix material; This PC composite material and preparation method thereof operation is simple, easily control, and cost is low, is applicable to suitability for industrialized production.
The embodiment of the present invention also provides the preparation method of a kind of polycarbonate (PC) matrix material, comprises the following steps:
S01. obtain each component that forms polycarbonate composite material of the present invention, be mixed to get mixture;
S02. utilize twin screw extruder by described mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 200～220 ℃, a district, two 230～250 ℃, 230～240 230～240 ℃， 4th district, ℃， 3rd district, districts, five 230～250 ℃, districts, six 220～240 ℃, 200～220 200～220 ℃， 8th district, ℃， 7th district, districts, 230～260 ℃ of heads, the rotating speed of described double-screw extruder screw is 280～350 rev/mins.Under these processing condition, can make to interact between each component, thereby form the PC matrix material of stable performance.
Exemplarily, above-mentioned matrix material can consist of the following composition:
Particularly, in step S01, above-mentioned each component can fully be mixed in mixing machine, and mixing time is preferably 20～30min, so that each component mixes.
Particularly, in above-mentioned steps S02, above-mentioned twin screw extruder can be this area twin screw extruder commonly used, the twin screw extruder that the model of producing as Nanjing Ke Ya company is CTE-35 (L/D=36).
In the PC composite material and preparation method thereof that the embodiment of the present invention provides, each component is mixed in proportion, through extruding pelletization, processes and can obtain product, this preparation method's technique is simple, easily control, and cost is low, is applicable to suitability for industrialized production.
The embodiment of the present invention also provides a kind of cable junction box of being made by polycarbonate composite material, and described cable junction box is for connecting subterranean cable and submarine optical fiber cable.Simultaneously, the polycarbonate composite material that the embodiment of the present invention provides can be used for military Material Field and the erosion resistance fields such as Material Field for low-temperature cold store, navigation flight, as navigation instrument, military interphone, aircraft communication receiving box etc.
Below by specific embodiment, describe the present invention.
Embodiment 1
1. take following each component by following weight ratio:
Wherein the MI of above-mentioned polycarbonate is 9～12g/10min, the MI of above-mentioned organosilicon-polycarbonate block copolymer is 7～10g/10min, above-mentioned oxidation inhibitor is by β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester forms with the 1:1 mass ratio, and the total mass of all components is 5Kg.
2. above-mentioned each component is mixed to 30min in mixing machine, obtain mixture;
In twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 210 ℃, a district, two 250 ℃, 240 240 ℃， 4th district, ℃， 3rd district, districts, five 250 ℃, districts, six 230 ℃, 220 210 ℃， 8th district, ℃， 7th district, districts, 250 ℃ of heads, the rotating speed of described double-screw extruder screw is 320 rev/mins.
Embodiment 2
1. take following each component by following weight ratio:
Wherein the MI of above-mentioned polycarbonate is 9～12g/10min, the MI of above-mentioned organosilicon-polycarbonate block copolymer is 2～6g/10min, above-mentioned oxidation inhibitor is by β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester forms with the 1:2 mass ratio, and the total mass of all components is 5Kg.
2. above-mentioned each component is mixed to 20min in mixing machine, obtain mixture;
In twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 200 ℃, a district, two 240 ℃, 230 240 ℃， 4th district, ℃， 3rd district, districts, five 250 ℃, districts, six 220 ℃, 210 210 ℃， 8th district, ℃， 7th district, districts, 230 ℃ of heads, the rotating speed of described double-screw extruder screw is 340 rev/mins.
Embodiment 3
1. take following each component by following weight ratio:
Wherein the MI of above-mentioned polycarbonate is 4～8g/10min, the MI of above-mentioned organosilicon-polycarbonate block copolymer is 2～6g/10min, the MI of above-mentioned organosilicon-polycarbonate block copolymer is 7～10g/10min, above-mentioned oxidation inhibitor is by β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester and three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester forms with the 1:3 mass ratio, and the total mass of all components is 5Kg.
2. above-mentioned each component is mixed to 25min in mixing machine, obtain mixture;
In twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 210 ℃, a district, two 240 ℃, 230 230 ℃， 4th district, ℃， 3rd district, districts, five 230 ℃, districts, six 230 ℃, 200 210 ℃， 8th district, ℃， 7th district, districts, 250 ℃ of heads, the rotating speed of described double-screw extruder screw is 330 rev/mins.
Embodiment 4
1. take following each component by following weight ratio:
Wherein the MI of above-mentioned polycarbonate is 4～8g/10min, and the MI of above-mentioned organosilicon-polycarbonate block copolymer is 7～10g/10min, and the total mass of all components is 5Kg.
2. above-mentioned each component is mixed to 25min in mixing machine, obtain mixture;
In twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 210 ℃, a district, two 240 ℃, 230 230 ℃， 4th district, ℃， 3rd district, districts, five 230 ℃, districts, six 230 ℃, 200 210 ℃， 8th district, ℃， 7th district, districts, 250 ℃ of heads, the rotating speed of described double-screw extruder screw is 330 rev/mins.
The comparative example 1
1. take following each component by following weight ratio:
Wherein the MI of above-mentioned polycarbonate is 4～8g/10min, and the MI of above-mentioned organosilicon-polycarbonate block copolymer is 2～6g/10min, and the total mass of all components is 5Kg.
2. above-mentioned each component is mixed to 30min in mixing machine, obtain mixture;
In twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 210 ℃, a district, two 250 ℃, 240 240 ℃， 4th district, ℃， 3rd district, districts, five 250 ℃, districts, six 230 ℃, 220 210 ℃， 8th district, ℃， 7th district, districts, 250 ℃ of heads, the rotating speed of described double-screw extruder screw is 320 rev/mins.
The comparative example 2
1. take following each component by following weight ratio:
Wherein the MI of above-mentioned polycarbonate is 4～8g/10min, and the total mass of all components is 5Kg.
2. above-mentioned each component is mixed to 20min in mixing machine, obtain mixture;
In twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 200 ℃, a district, two 240 ℃, 230 240 ℃， 4th district, ℃， 3rd district, districts, five 250 ℃, districts, six 220 ℃, 210 210 ℃， 8th district, ℃， 7th district, districts, 230 ℃ of heads, the rotating speed of described double-screw extruder screw is 340 rev/mins.
The comparative example 3
1. take following each component by following weight ratio:
Wherein the MI of above-mentioned polycarbonate is 4～8g/10min, and the total mass of all components is 5Kg.
2. above-mentioned each component is mixed to 25min in mixing machine, obtain mixture;
In twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 210 ℃, a district, two 240 ℃, 230 230 ℃， 4th district, ℃， 3rd district, districts, five 230 ℃, districts, six 230 ℃, 200 210 ℃， 8th district, ℃， 7th district, districts, 250 ℃ of heads, the rotating speed of described double-screw extruder screw is 330 rev/mins.
The comparative example 4
1. take polycarbonate 5Kg, its MI is 4～8g/10min.
By above-mentioned polycarbonate in twin screw extruder by the mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 210 ℃, a district, two 240 ℃, 230 230 ℃， 4th district, ℃， 3rd district, districts, five 230 ℃, districts, six 230 ℃, 200 210 ℃， 8th district, ℃， 7th district, districts, 250 ℃ of heads, the rotating speed of described double-screw extruder screw is 330 rev/mins.
Performance test and evaluation:
Particle material prepared by above-described embodiment 1-4 and comparative example 1-4 first in convection oven under the condition of 100-120 ℃ dry 2 hours, then utilize dried particle material injection moulding machine to make the standard testing batten and test.
Wherein, tensile strength is tested by the ASTMD-638 standard.Specimen types is the I type, batten size (mm): (176 ± 2) (length) * (12.6 ± 0.2) (end width) * (3.05 ± 0.2) (thickness), and draw speed is 50mm/min;
Notched Izod impact strength is tested by the ASTMD-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2); The breach type is category-A, and the breach residual thickness is 1.9mm;
The erosion resistance test is to continue to soak respectively 24h in 5% hydrochloric acid, 5% sodium hydroxide, 5% sodium chloride solution, observes whether obvious swelling and corrosion phenomenon are arranged;
The temperature cycling test condition is :-40 ℃～+ 85 ℃, cycle index 10 times, do Impact Test;
Insulation resistance test: after product is sunk in the water that 1.5m is dark and to soak 24h, detect insulation resistance whether>=2 * 10
4M Ω.
Burn-in test (weather-proof test) utilizes Xenon lamp weather resistance test box to carry out, and this proofing box yield of radiation is 1.12kw/ ㎡, and 24h is a cycle, and in each cycle, 8h irradiates, and 16h does not irradiate, and the radiation amount in each cycle is 8.96kwh/ ㎡.Temperature during the proofing box internal radiation is 75 ℃, duration of test runs is 10 cycles (being 240h), the light source adopted be spectral distribution with sunlight relatively more approaching and xenon arc lamp that install infrared filter glass additional, irradiation finishes laggard circumstances in which people get things ready for a trip difference analysis and shock test.Wherein, notched Izod impact strength is tested by the ASTMD-256 standard.Specimen types is the I type, specimen size (mm): (63 ± 2) * (12.45 ± 0.2) * (3.1 ± 0.2); The breach type is category-A, and the breach residual thickness is 1.9mm; HDT(Heatdeflectiontemperature, heat-drawn wire, the impact that reflection silicon copolymerization polycarbonate and toughner are heat-resisting on material and reduction injection temperature), test is used computermatic heat-drawn wire trier to carry out, condition is carried out according to ASTMD648, test condition is 1.8MPa, unannealed, 6.4mm; Other performances are all tested according to ASTM standard batten.
The detected result of above-mentioned test is as shown in table 1 below
Table 1 embodiment and comparative example's (Comparative Examples) material properties test data
By upper table data relatively, we are not difficult to find polycarbonate and the toughness reinforcing dose of effect that can play the increase low temperature impact properties of organosilicon of organosilicon copolymerization, simultaneously, also can increase weather resistance and the corrosion resistance nature of material, but the polycarbonate effect of organosilicon copolymerization is more obvious, plays best effect when both carry out composite use; Can see the organosilyl heat-drawn wire that is conducive to reduce material that adds from the data of HDT, can suitably reduce the temperature of injection moulding, play the effect that improves material flowability.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a polycarbonate composite material comprises following component by weight:
The melting index of wherein said polycarbonate under 300 ℃ and 1.2kg condition is 3-15g/10min, and the melting index of described organosilicon-polycarbonate block copolymer under 300 ℃ and 1.2kg condition is 1-10g/10min.
2. polycarbonate composite material as claimed in claim 1, is characterized in that, the melting index of described polycarbonate under 300 ℃ and 1.2kg condition is 4-8g/10min.
3. polycarbonate composite material as claimed in claim 1, is characterized in that, the melting index of described organosilicon-polycarbonate block copolymer under 300 ℃ and 1.2kg condition is 2-6g/10min.
4. polycarbonate composite material as claimed in claim 1, is characterized in that, described toughner has the organosilicon of take/vinylformic acid as core, and methyl methacrylate is the nucleocapsid structure that hull shape becomes, and wherein said silicone content is 10-30wt%.
5. polycarbonate composite material as claimed in claim 1, is characterized in that, described oxidation inhibitor comprises main anti-oxidant and auxiliary antioxidant, and the mass ratio of described main anti-oxidant and described auxiliary antioxidant is 1:1-1:3.
6. polycarbonate composite material as claimed in claim 5, it is characterized in that, described main anti-oxidant is β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester, described auxiliary antioxidant is three (2,4-di-tert-butyl-phenyl) phosphorous acid ester.
7. the preparation method of a polycarbonate composite material comprises the following steps:
Obtain each component formed as the described polycarbonate composite material of any one in claim 1-6, mix to obtain mixture;
Utilize twin screw extruder by described mixture extruding pelletization, the spout of wherein said twin screw extruder is respectively to the temperature of each section of die head: 200～220 ℃, a district, two 230～250 ℃, 230～240 230～240 ℃， 4th district, ℃， 3rd district, districts, five 230～250 ℃, districts, six 220～240 ℃, 200～220 200～220 ℃， 8th district, ℃， 7th district, districts, 230～260 ℃ of heads, the rotating speed of described double-screw extruder screw is 280～350 rev/mins.
8. one kind for underground and cable junction box seabed, by polycarbonate composite material as described as any one in claim 1-6, is made.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497519A (en) * | 2014-11-26 | 2015-04-08 | 苏州新区佳合塑胶有限公司 | Low-temperature-resistant light-duty plastic for seabed optical cable conjunction boxes |
| CN104693772A (en) * | 2015-03-04 | 2015-06-10 | 安徽科聚新材料有限公司 | Glass fiber-mica mixed enhanced polycarbonate material and preparation method thereof |
| CN104693768A (en) * | 2014-12-23 | 2015-06-10 | 深圳市科罗威材料科技有限公司 | PC/PBT alloy material as well as preparation method and application thereof |
| CN106832848A (en) * | 2016-12-13 | 2017-06-13 | 上海锦湖日丽塑料有限公司 | A kind of super chemicals-resistant PC/ABS alloy materials and preparation method thereof |
| CN108485223A (en) * | 2018-02-01 | 2018-09-04 | 广东聚石化学股份有限公司 | A kind of automobile-used PC/ABS alloys and preparation method thereof |
| CN110343506A (en) * | 2019-07-30 | 2019-10-18 | 金旸（厦门）新材料科技有限公司 | A kind of low temperature resistant method for freezing polycarbonate abrasive and its prepare raw material and preparation method and handle burr |
| CN112625422A (en) * | 2020-12-25 | 2021-04-09 | 佛山市达孚新材料有限公司 | Polycarbonate material and preparation method thereof |
| CN112980171A (en) * | 2021-02-24 | 2021-06-18 | 广东锦湖日丽高分子材料有限公司 | Edible oil-resistant high-impact-resistance heat-resistant polycarbonate material and preparation method thereof |
| CN113248895A (en) * | 2021-07-07 | 2021-08-13 | 南京工业大学 | Multifunctional polycarbonate modified material and preparation method thereof |
| CN113563711A (en) * | 2021-09-27 | 2021-10-29 | 佛山市达孚新材料有限公司 | Toughened scratch-resistant polycarbonate material and preparation method and application thereof |
| CN114479463A (en) * | 2022-02-22 | 2022-05-13 | 上海聚威新材料股份有限公司 | Extrusion-grade PPS composite material and preparation method thereof |
| CN114539757A (en) * | 2022-03-09 | 2022-05-27 | 无锡赢同新材料科技有限公司 | Low-temperature-resistant and salt-fog-resistant polycarbonate composite material and preparation method thereof |
| CN115322550A (en) * | 2022-07-22 | 2022-11-11 | 宁波坚锋新材料有限公司 | Wear-resistant regenerated polycarbonate material and preparation method thereof |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497519A (en) * | 2014-11-26 | 2015-04-08 | 苏州新区佳合塑胶有限公司 | Low-temperature-resistant light-duty plastic for seabed optical cable conjunction boxes |
| CN104497519B (en) * | 2014-11-26 | 2016-01-20 | 苏州新区佳合塑胶有限公司 | A kind of low temperature resistant light-duty submarine optical fiber cable terminal box plastics |
| CN104693768A (en) * | 2014-12-23 | 2015-06-10 | 深圳市科罗威材料科技有限公司 | PC/PBT alloy material as well as preparation method and application thereof |
| CN104693772A (en) * | 2015-03-04 | 2015-06-10 | 安徽科聚新材料有限公司 | Glass fiber-mica mixed enhanced polycarbonate material and preparation method thereof |
| CN106832848A (en) * | 2016-12-13 | 2017-06-13 | 上海锦湖日丽塑料有限公司 | A kind of super chemicals-resistant PC/ABS alloy materials and preparation method thereof |
| CN106832848B (en) * | 2016-12-13 | 2019-09-27 | 上海锦湖日丽塑料有限公司 | A kind of super chemicals-resistant PC/ABS alloy material and preparation method thereof |
| CN108485223A (en) * | 2018-02-01 | 2018-09-04 | 广东聚石化学股份有限公司 | A kind of automobile-used PC/ABS alloys and preparation method thereof |
| CN110343506A (en) * | 2019-07-30 | 2019-10-18 | 金旸（厦门）新材料科技有限公司 | A kind of low temperature resistant method for freezing polycarbonate abrasive and its prepare raw material and preparation method and handle burr |
| CN112625422A (en) * | 2020-12-25 | 2021-04-09 | 佛山市达孚新材料有限公司 | Polycarbonate material and preparation method thereof |
| CN112980171A (en) * | 2021-02-24 | 2021-06-18 | 广东锦湖日丽高分子材料有限公司 | Edible oil-resistant high-impact-resistance heat-resistant polycarbonate material and preparation method thereof |
| CN112980171B (en) * | 2021-02-24 | 2022-05-06 | 广东锦湖日丽高分子材料有限公司 | Edible oil-resistant high-impact-resistance heat-resistant polycarbonate material and preparation method thereof |
| CN113248895A (en) * | 2021-07-07 | 2021-08-13 | 南京工业大学 | Multifunctional polycarbonate modified material and preparation method thereof |
| CN113563711A (en) * | 2021-09-27 | 2021-10-29 | 佛山市达孚新材料有限公司 | Toughened scratch-resistant polycarbonate material and preparation method and application thereof |
| CN114479463A (en) * | 2022-02-22 | 2022-05-13 | 上海聚威新材料股份有限公司 | Extrusion-grade PPS composite material and preparation method thereof |
| CN114479463B (en) * | 2022-02-22 | 2023-02-10 | 上海聚威新材料股份有限公司 | Extrusion-grade PPS composite material and preparation method thereof |
| CN114539757A (en) * | 2022-03-09 | 2022-05-27 | 无锡赢同新材料科技有限公司 | Low-temperature-resistant and salt-fog-resistant polycarbonate composite material and preparation method thereof |
| CN115322550A (en) * | 2022-07-22 | 2022-11-11 | 宁波坚锋新材料有限公司 | Wear-resistant regenerated polycarbonate material and preparation method thereof |
| CN115322550B (en) * | 2022-07-22 | 2024-01-09 | 宁波坚锋新材料有限公司 | Wear-resistant regenerated polycarbonate material and preparation method thereof |
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