CN103772940B - A kind of photodiffusion polycarbonate composite material of light aging resisting and preparation method thereof - Google Patents
A kind of photodiffusion polycarbonate composite material of light aging resisting and preparation method thereof Download PDFInfo
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- CN103772940B CN103772940B CN201410005226.0A CN201410005226A CN103772940B CN 103772940 B CN103772940 B CN 103772940B CN 201410005226 A CN201410005226 A CN 201410005226A CN 103772940 B CN103772940 B CN 103772940B
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
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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
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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
- B29C48/78—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
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
- B29C2948/92885—Screw or gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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- Processes Of Treating Macromolecular Substances (AREA)
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Abstract
The present invention relates to a kind of photodiffusion polycarbonate composite material of light aging resisting and preparation method, the composite is by 700~900 parts of polycarbonate pellet, 100~300 parts of makrolon powder, 0.5~5 part of light diffusing agent, 2~8 parts of light stabilizer, 1~5 part of antioxidant, 0.5~2 part of processing aid are made by weight.Photodiffusion polycarbonate composite material of its raw material through light aging resisting made from mixed at high speed and extruding pelletization.The photodiffusion polycarbonate composite material of the light aging resisting of the present invention has the advantages that the light transmittance and mist degree that processing forming is good, light aging resisting property is good, good.
Description
Technical field
The invention belongs to technical field of polymer processing, is related to a kind of polycarbonate composite material and preparation method thereof, especially
It is to be related to a kind of photodiffusion polycarbonate composite material of light aging resisting and preparation method thereof.
Background technology
Polycarbonate resin abbreviation PC, it is a kind of widely used engineering plastics.PC resin have excellent mechanical property,
Impact resistance and electrical insulation capability etc., become one of ideal material in the plastic components such as automobile, household electrical appliances；In addition PC is
A kind of resin with very high light light transmittance, is widely used in illuminating lamp shade, automobile-used revolution counter, car light, billboard, advertisement
The fields such as case, plexiglas, LCDs.
Needed along with social development demand, following lighting apparatus such as environmental protection, energy-conservations with spies such as specular removal, low energy consumption
Point, and PC materials have excellent light transmittance and mist degree, can significantly improve lighting area, mitigate injury of the light source to human eye, this
Kind new material will be widely used in illuminating industry.But when using PC pure raw materials as printing opacity and illumination material, meeting
The problems such as dazzling, lighting area is limited be present.Further, since light source while radioluminescence, can also produce substantial amounts of heat,
Cause the temperature on light fixture periphery higher, therefore, as the plastic components of illuminating engineering, not requiring nothing more than material has well resistance to
High-temperature behavior, it is also necessary to which there is excellent light aging resisting property.And the light aging resisting property of common PC materials is poor, therefore, grind
Fixture has the photodiffusion polycarbonate composite material of light aging resisting, can not only enrich the selection of illuminating engineering material, improves
The efficiency of lighting apparatus；It is also beneficial to extend the application field of PC composites, there is very important economic value and practicality
Value.
The content of the invention
The purpose of the present invention is to be directed to deficiency of the PC pure raw materials as printing opacity and illumination material, and is provided a kind of fast light old
Photodiffusion polycarbonate composite material of change and preparation method thereof, obtained composite have good light aging resisting property,
Light transmittance and mist degree.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of photodiffusion polycarbonate composite material of light aging resisting, it is characterised in that；The composite is by following raw material
It is prepared by weight：
700~900 parts of polycarbonate pellet；
100~300 parts of makrolon powder；
0.5~5 part of light diffusing agent；
2~8 parts of light stabilizer；
1~5 part of antioxidant；
0.5~2 part of processing aid.
Further, melt index of the described polycarbonate pellet under the conditions of 300 DEG C/1.2Kg is 5~30g/10min；
Melt index of the described makrolon powder under the conditions of 300 DEG C/1.2Kg is 10~20g/10min, makrolon powder
Particle size range is 10~100um.
Described light diffusing agent is silicon systems light diffusing agent, and its outward appearance is spherical particles, optical index is 1.4~1.5, average
Particle size range is 1~5um.
Described light stabilizer be poly- [6- [(1,1,3,3- tetramethyl butyls) amino]] -1,3,5- triazines -2,4- [(2,
2,6,6,-tetramethyl-4-piperidyl) imino group] -1,6- oneself two supports [(2,2,6,6- tetramethyl -4- piperidyls) imino group]（Light is steady
Determine agent 944）, 2- (2- hydroxy-5-methyls base-phenyl) BTA（Light stabilizer UV-P）, double (2,2,6,6- tetramethyl -4- piperazines
Piperidinyl) sebacate（Light stabilizer 770DF）And 2-（2- hydroxyl -5- t-octyl phenyl）Azimidobenzene（Light stabilizer 5411）In
At least one.
Described antioxidant is β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyls) propionic acid（Antioxidant
1076）, three (2,4- di-tert-butyl-phenyl) phosphite esters（Irgasfos 168）With four (β-(3,5- di-t-butyl -4- hydroxy benzenes
Base) propionic acid) pentaerythritol ester（Antioxidant 1010）It is 1 in mass ratio:2:1 mixed obtained by.
The processing aid is double (the 5- tert-butyl group -2- benzoxazolyls) thiophene of ultramarine, ultramarine violet and 2.5-（Brightening agent
OB）In mass ratio 73：23：1 mixture.
Described ultramarine is ultramarine 5006, ultramarine violet is ultramarine violet V-10.
It is a further object to provide the preparation of the photodiffusion polycarbonate composite material of above-mentioned light aging resisting
Method, comprise the following steps：
（1）Polycarbonate pellet, makrolon powder, light diffusing agent, light stabilizer, antioxidant and processing are helped by proportioning
Agent is placed in high-speed mixer and carries out 3~15min of mixing, obtains mixture, and the rotating speed of its mixer is 300~1500rpm；
（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, obtains the light diffusion of light aging resisting
Each area's temperature and screw speed of polycarbonate composite material pellet, wherein double screw extruder be respectively：One area's temperature 210~
230 DEG C, two 220~240 DEG C of area's temperature, three 230~250 DEG C of area's temperature, four 240~260 DEG C of area's temperature, five area's temperature 250~
270 DEG C, six 250~270 DEG C of area's temperature, 250~260 DEG C of head temperature；Screw speed is 200~400r/min.
It is the powder agglomeration in order to avoid occurring between light diffusing agent and polycarbonate pellet and scattered inequality, and makes
There is the problem of hot spot, brightness disproportionation and translucency difference into composite, the present invention selects polycarbonate pellet and makrolon
Powder carries out compounding use, so as to improve the dispersiveness of light diffusing agent in the composite, composite is had well
The transparency, optical energy loss are smaller and the advantages that light is soft, and expand light-emitting area.
In addition, the melt index of polycarbonate pellet used in the present invention（300℃,1.2Kg）For 5~30g/10min；
The melt index of described makrolon powder（300℃,1.2Kg）It is 10~100um for 10~20g/10min, particle size range.
So that the depression for further avoiding occurring during material machine-shaping, weld mark, buckling deformation etc. are molded bad, guarantee material
Material has good moulding processability.
Compared with prior art, the present invention has advantages below and beneficial effect：
1st, the present invention uses currently used forming processing technology and equipment, and the light for being prepared for light aging resisting spreads poly- carbonic acid
Ester composite, it is prepared, and simple, production cost is low.
2nd, from the compounding of polycarbonate pellet and polycarbonate pellet powder, light diffusing agent can be improved in the composite
Dispersiveness, make composite have the advantages that the good transparency, expand light-emitting area, optical energy loss is smaller and light is soft.
3rd, the polycarbonate pellet from particular melt index and makrolon powder are compounded, and are further avoided in material
The depression that occurs during material machine-shaping, weld mark, the injection such as buckling deformation are bad, ensure that there is material good shaping to add
Work performance.
4th, light diffusing agent and light stabilizer are added in the present invention, by multiple refraction when making the light pass through material, is played
Light spreads and expanded the effect of light-emitting area, and it is soft through the less effect of optical energy loss to reach light.Light stabilizer is added simultaneously,
So that obtained composite has good light aging resisting property.
Embodiment
With reference to specific embodiment, the present invention is described in detail.
Double screw extruder manufacturer used in following examples is Kunshan Kesun Rubber ＆ Plastic Machinery Co., Ltd.；
Injection machine manufacturer used is Zhejiang Haitian Machinery Co., Ltd.；
Polycarbonate pellet manufacturer used is Teijin Ltd；
Makrolon powder manufacturer used is Teijin Ltd；
Light diffusing agent Mai Tu TSR900 manufacturers used are U.S.'s Mitugao New Material Group；
X-52-7056A manufacturers of light diffusing agent SHIN-ETSU HANTOTAI used are group of SHIN-ETSU HANTOTAI；
The manufacturer of light stabilizer 944 used is Shanghai Shao En Chemical Co., Ltd.s；
Light stabilizer UV-P and Guang Wenji 770DF manufacturer used is Basf China Co., Ltd；
The manufacturer of light stabilizer 5411 used is Qing Te Industrial Co., Ltd of the U.S.；
Antioxidant 1076 and irgasfos 168 manufacturer used is Ciba of Switzerland；
Antioxidant 1010 manufacturer used is Basf China Co., Ltd；
The manufacturer of ultramarine 5006 used is Holliday pigment company of Britain；
Ultramarine violet V-10 manufacturers used are Niu Bilai pigment international trades (Shanghai) Co., Ltd.；
Brightening agent OB manufacturers used are Shanghai Lian Ben Fine Chemical Co., Ltd.Following examples agents useful for same is only
For example, the protection domain being not intended to limit the invention, other embodiments of the invention are still elected in right
All optional reagents.Unless otherwise instructed, number is parts by weight in embodiment.
It is 1.4~1.5 that the light diffusing agent used in specific embodiment, which selects spherical particles, optical index, below, average
Particle size range is 1~5um silicon systems light diffusing agent, specifically has and steps figure TSR900 and SHIN-ETSU HANTOTAI X-52-7056A.
Described antioxidant is antioxidant 1076：Irgasfos 168：Antioxidant 1010 is 1:2:1 mixed obtained by.
The ultramarine selects ultramarine violet V-10 from ultramarine 5006, ultramarine violet, and processing aid is ultramarine 5006, ultramarine violet V-
10 and brightening agent OB in mass ratio 73：23：1 mixed obtained by.
Embodiment 1
（1）By 700 parts of polycarbonate pellets, 300 parts of makrolon powders, 0.5 part of light diffusing agent, which steps, schemes TSR9002,2 parts
5411,1 part of antioxidant of light stabilizer, 0.5 part of processing aid；These raw materials are mixed in high-speed mixer, mixing rotating speed is
300rpm, incorporation time 15min, obtains mixture；
（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, obtains the light diffusion of light aging resisting
Polycarbonate composite material pellet.Each area's temperature of double screw extruder and screw speed are respectively：One 210 DEG C of area's temperature, 2nd area
220 DEG C of temperature, three 230 DEG C of area's temperature, four 240 DEG C of area's temperature, five 250 DEG C of area's temperature, six 260 DEG C of area's temperature, head temperature 250
℃；Screw speed 200r/min.The performance test results of resulting materials are shown in Table 1.
Embodiment 2
（1）By 800 parts of polycarbonate pellets, 200 parts of makrolon powders, 0.5 part of light diffusing agent SHIN-ETSU HANTOTAI X-52-7056A,
Steady 944, the 1 part of antioxidant of agent of 2 parts of light stabilizers, 5411,1 part of light, 1 part of processing aid；These raw materials are mixed in high-speed mixer
Close, mixing rotating speed is 600rpm, incorporation time 12min, obtains mixture；
（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, obtains the light diffusion of light aging resisting
Polycarbonate composite material pellet.Double screw extruder includes six areas, wherein each area's temperature and screw speed are respectively：One area
220 DEG C of temperature, two 230 DEG C of area's temperature, three 240 DEG C of area's temperature, four 250 DEG C of area's temperature, five 260 DEG C of area's temperature, six area's temperature 260
DEG C, 250 DEG C of head temperature；Screw speed 300r/min.The performance test results of resulting materials are shown in Table 1.
Embodiment 3
（1）By 900 parts of polycarbonate pellets, 100 parts of makrolon powders, 0.5 part of light diffusing agent SHIN-ETSU HANTOTAI X-52-7056A,
0.5 part of light diffusing agent, which steps, schemes TSR9002,2 parts of light stabilizers, 944,3 parts of steady agent UV-P of light, 3 parts of antioxidant, 2 parts of processing aids；
These raw materials are mixed in high-speed mixer, mixing rotating speed is 900rpm, incorporation time 9min, obtains mixture；
（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, obtains the light diffusion of light aging resisting
Polycarbonate composite material pellet.Double screw extruder includes six areas, wherein each area's temperature and screw speed are respectively：One area
230 DEG C of temperature, two 230 DEG C of area's temperature, three 240 DEG C of area's temperature, four 260 DEG C of area's temperature, five 250 DEG C of area's temperature, six area's temperature 250
DEG C, 255 DEG C of head temperature；Screw speed 200r/min.The performance test results of resulting materials are shown in Table 1.
Embodiment 4
（1）By 700 parts of polycarbonate pellets, 300 parts of makrolon powders, 1 part of light diffusing agent steps figure TSR9002,3 parts of light
Stabilizer 770DF, 2 parts of light, 944,4 parts of antioxidant of steady agent, 0.5 part of processing aid；These raw materials are mixed in high-speed mixer,
Mixing rotating speed is 1200rpm, incorporation time 6min, obtains mixture；
（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, obtains the light diffusion of light aging resisting
Polycarbonate composite material pellet.Double screw extruder includes six areas, wherein each area's temperature and screw speed are respectively：One area
230 DEG C of temperature, two 240 DEG C of area's temperature, three 240 DEG C of area's temperature, four 260 DEG C of area's temperature, five 270 DEG C of area's temperature, six area's temperature 270
DEG C, 260 DEG C of head temperature；Screw speed 400r/min.The performance test results of resulting materials are shown in Table 1.
Embodiment 5
（1）By 800 parts of polycarbonate pellets, 200 parts of makrolon powders, 2 parts of light diffusing agents, 2 parts of light stabilizers
770DF, 3 parts of light stabilizer UV-P, 3 parts of light stabilizers, 944,5 parts of antioxidant, 1 part of processing aid；These raw materials are mixed in high speed
Conjunction machine mixes, and mixing rotating speed is 1500rpm, incorporation time 3min, obtains mixture；
（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, obtains the light diffusion of light aging resisting
Polycarbonate composite material pellet.Double screw extruder includes six areas, wherein each area's temperature and screw speed are respectively：One area
220 DEG C of temperature, two 230 DEG C of area's temperature, three 240 DEG C of area's temperature, four 250 DEG C of area's temperature, five 250 DEG C of area's temperature, six area's temperature 250
DEG C, 245 DEG C of head temperature；Screw speed 300r/min.The performance test results of resulting materials are shown in Table 1.
Embodiment 6
（1）By 900 parts of polycarbonate pellets, 100 parts of makrolon powders, 2 parts of light diffusing agents step figure TSR9002,3 parts of light
Diffusant SHIN-ETSU HANTOTAI X-52-7056A, 3 parts of light stabilizers, 5411,1 part of light stabilizer UV-P, 3 parts of antioxidant, 2 parts of processing aids；Will
These raw materials mix in high-speed mixer, and mixing rotating speed is 800rpm, incorporation time 8min, obtains mixture；
（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, obtains the light diffusion of light aging resisting
Polycarbonate composite material pellet.Double screw extruder includes six areas, wherein each area's temperature and screw speed are respectively：One area
210 DEG C of temperature, two 220 DEG C of area's temperature, three 230 DEG C of area's temperature, four 240 DEG C of area's temperature, five 250 DEG C of area's temperature, six area's temperature 260
DEG C, 250 DEG C of head temperature；Screw speed 200r/min.The performance test results of resulting materials are shown in Table 1.
Gained extruded stock grain, is molded by ASTM standard respectively in above-described embodiment 1-6, and injection batten is in 23 DEG C, phase
To being tested under the conditions of humidity 50% after stable 48h.Light transmittance and mist degree are tested according to ASTM D1003-11e1, are selected
Thickness of test piece is 2.5mm.Light aging resisting property test is carried out in QUV aging testing instruments, and ageing cycle condition is：8 small time
According to wavelength 313nm, intensity 0.48W/m2, temperature 70 C；4 hours dark, temperature 50 C, test result are shown in Table 1：
Table 1
Note：Comparative sample is PC pure raw materials, according to the same terms, acquired results after being tested.
Contrasted by the performance test results in table 1, the light diffusing polycarbonate of light aging resisting prepared by the present invention
Composite, there is good light aging resisting property；It has good light diffusing while keeping compared with high light transmittance
Can, light-emitting area can be expanded and reach the soft effect of light；In addition, while haze is kept, can adjust as needed
Go out different light transmittances.So in the fields such as automobile making, household electrical appliances, illuminating engineering articles for use, the modeling required is spread for light
For expecting parts, the photodiffusion polycarbonate composite material of the light aging resisting is a kind of selection well, is had real well
With value and economic value.
The above-mentioned description to embodiment is understood that for ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiment without by performing creative labour.Therefore, the invention is not restricted to implementation here
Example, for those skilled in the art according to the announcement of the present invention, not departing from improvement that scope made and modification all should be
Within protection scope of the present invention.
Claims (4)
- A kind of 1. photodiffusion polycarbonate composite material of light aging resisting, it is characterised in that；The composite is pressed by following raw material Parts by weight are prepared：700~900 parts of polycarbonate pellet；100~300 parts of makrolon powder；0.5~5 part of light diffusing agent；2~8 parts of light stabilizer；1~5 part of antioxidant；0.5~2 part of processing aid；Described light diffusing agent is silicon systems light diffusing agent, and its outward appearance is spherical particles, optical index is 1.4~1.5, average grain diameter Scope is 1~5 μm；Described antioxidant is β-positive octadecanol ester of (3,5- di-tert-butyl-hydroxy phenyl) propionic acid, three (2,4- bis- tertiary fourths Base phenyl) phosphite ester and four (β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid) pentaerythritol esters are 1 in mass ratio:2: 1 mixed obtained by；The processing aid is that double (the 5- tert-butyl group -2- benzoxazolyls) thiophene of ultramarine, ultramarine violet and 2.5- are pressed Mass ratio 73：23：1 mixture.
- A kind of 2. photodiffusion polycarbonate composite material of light aging resisting according to claim 1, it is characterised in that：It is described Melt index of the polycarbonate pellet under the conditions of 300 DEG C/1.2Kg be 5~30g/10min；Described makrolon powder Melt index under the conditions of 300 DEG C/1.2Kg is 10~20g/10min, and the particle size range of makrolon powder is 10~100 μ m。
- A kind of 3. photodiffusion polycarbonate composite material of light aging resisting according to claim 1, it is characterised in that：It is described Light stabilizer for poly- [6- [(1,1,3,3- tetramethyl butyls) amino]] -1,3,5- triazines -2,4- [(2,2,6,6,-tetramethyl Base-piperidyl) imino group] -1,6- oneself two support [(2,2,6,6- tetramethyl -4- piperidyls) imino group], 2- (2- hydroxy-5-methyls Base-phenyl) BTA, bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate and 2-（2- hydroxyl -5- t-octyl phenyl） At least one of BTA.
- A kind of 4. side for the photodiffusion polycarbonate composite material for preparing the light aging resisting as described in any in claims 1 to 3 Method, it is characterised in that：Comprise the following steps：（1）Polycarbonate pellet, makrolon powder, light diffusing agent, light stabilizer, antioxidant and processing aid are put by proportioning 3~15min of mixing is carried out in high-speed mixer, obtains mixture, the rotating speed of its mixer is 300~1500rpm；（2）By step（1）Gained mixture adds double screw extruder, extruding pelletization, and the light for obtaining light aging resisting spreads poly- carbon Each area's temperature and screw speed of acid esters composite pellet, wherein double screw extruder be respectively：One area's temperature 210~230 DEG C, two 220~240 DEG C of area's temperature, three 230~250 DEG C of area's temperature, four 240~260 DEG C of area's temperature, five area's temperature 250~270 DEG C, six 250~270 DEG C of area's temperature, 250~260 DEG C of head temperature；Screw speed is 200~400r/min.
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| CN201410005226.0A CN103772940B (en) | 2014-01-06 | 2014-01-06 | A kind of photodiffusion polycarbonate composite material of light aging resisting and preparation method thereof |
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| CN201410005226.0A CN103772940B (en) | 2014-01-06 | 2014-01-06 | A kind of photodiffusion polycarbonate composite material of light aging resisting and preparation method thereof |
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| CN103772940A CN103772940A (en) | 2014-05-07 |
| CN103772940B true CN103772940B (en) | 2018-04-10 |
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| CN108841157B (en) * | 2018-06-13 | 2020-09-29 | 安徽理工大学 | Electromagnetic shielding graphene PC composite material and preparation method thereof |
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| CN112300554B (en) * | 2019-07-29 | 2022-11-15 | 广州合成材料研究院有限公司 | Flame-retardant polycarbonate with carbon nano tube enhanced laser marking and application thereof |
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| CN113088058A (en) * | 2019-12-23 | 2021-07-09 | 中石化南京化工研究院有限公司 | Polycarbonate-based light diffusion material for automobile lamp shade and preparation method thereof |
| CN111205620B (en) * | 2020-02-28 | 2021-12-24 | 深圳飞德利照明科技有限公司 | Polycarbonate lens for LED illumination and preparation method thereof |
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