CN102219989A - Flame-retarding light-diffusing polycarbonate resin composite for LED lamp and preparation method thereof - Google Patents
Flame-retarding light-diffusing polycarbonate resin composite for LED lamp and preparation method thereof Download PDFInfo
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- CN102219989A CN102219989A CN2011101515410A CN201110151541A CN102219989A CN 102219989 A CN102219989 A CN 102219989A CN 2011101515410 A CN2011101515410 A CN 2011101515410A CN 201110151541 A CN201110151541 A CN 201110151541A CN 102219989 A CN102219989 A CN 102219989A
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- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 229920005668 polycarbonate resin Polymers 0.000 title claims abstract description 34
- 239000004431 polycarbonate resin Substances 0.000 title claims abstract description 34
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000003063 flame retardant Substances 0.000 claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 22
- 239000004417 polycarbonate Substances 0.000 claims abstract description 17
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 11
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 229920000515 polycarbonate Polymers 0.000 claims abstract description 8
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 239000004611 light stabiliser Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims description 17
- 239000003381 stabilizer Substances 0.000 claims description 10
- -1 polydimethylsiloxane Polymers 0.000 claims description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- 150000002989 phenols Chemical class 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims description 3
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 2
- 239000012964 benzotriazole Substances 0.000 claims description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 2
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- 229940059574 pentaerithrityl Drugs 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 150000008301 phosphite esters Chemical class 0.000 claims description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000344 soap Substances 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 14
- 238000002834 transmittance Methods 0.000 abstract description 11
- 238000009792 diffusion process Methods 0.000 abstract description 9
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 230000000979 retarding effect Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 239000012760 heat stabilizer Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 11
- 239000003595 mist Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 4
- 238000011056 performance test Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a flame-retarding light-diffusing polycarbonate resin composite for an LED (light emitting diode) lamp and a preparation method thereof, and the flame-retarding light-diffusing polycarbonate resin composite for the LED lamp comprises the following components by weight percent: 75-90% of polycarbonate resin, 5-10% of brominated polycarbonate, 2-5% of an organic-silicon flame retardant, 0.5-8% of a light-diffusing agent, 0.1-0.5% of a heat stabilizer, 0.1-0.5% of a light stabilizer and 0-1% of a processing aid. The invention adopts organic and inorganic light diffusion compound to overcome the defect that haze and light transmittance are difficult to balance by using a single diffusing agent, and the environmentally-friendly brominated polycarbonate serving as a flame retardant and the organic-silicon flame retardant are compounded to achieve minimal influence on light transmittance under the condition of high-efficiency flame retarding and broaden the application scope of LED lampshades made of light-diffusing polycarbonate resin. The LED lampshade made of the composite disclosed by the invention has the outstanding advantages of high flame retarding performance of and balanced haze and light transmittance, and ensures the security while being used in harsh environmental conditions.
Description
Technical field
Invention relates to a kind of polycarbonate resin resin composite material, specifically, relates to a kind of fire-retardant light diffusing polycarbonate resin composite materials and technology of preparing thereof.
Background technology
The LED lighting engineering constantly develops in recent years, and the demand of LED lampshade constantly promotes, and has promoted the development in LED lampshade market, and performance demands is also improved constantly.
The PC(polycarbonate) be a kind of widely used engineering plastics, have characteristics such as high-clarity, high tenacity, high heat resistance, high strength, being applied in LED illuminating lamp shade industry has very big advantage.It is the light diffusion tree oil/fat composition of matrix preparation and by its lampshade that makes that patent CN1730539A discloses a kind of metha crylic resin, and light diffusing agent is inorganic or organic, reaches the balance of good light diffusion and light transmission.But the matrix resin methacrylic flexible difference of using in this patent is point really, and this patent do not add fire retardant yet, and this has just limited the range of application that this patent system gets product.U.S. Pat 20090258170A1 has announced that a kind of is the fire-retardant smooth diffusion group compound of matrix with PC, add organic light diffusing agent and organic silicon fibre retardant, reach light diffusing and flame retardant resistance, enlarged the range of application of light diffusion group compound, but flame retardant resistance is lower, just reach the V1 level, do not satisfy requirement of special occasion.Patent CN101906244A has announced that a kind of PC is the fire-retardant light diffusion PC composition of matrix, add light inlet diffusion master batch, fire-retardant with sulfonate and organic silicon compound, reach (1.6mm) V0 flame retardant grade, but there is not the adding of photostabilizer, weathering resistance is not good, has limited the work-ing life and the scope of application of product.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide that a kind of security is good, high flame retardant and transmittance, mist degree equilibrated LED light fixture be with fire-retardant light diffusing polycarbonate resin composite materials.
For realizing above purpose, the present invention adopts following technical scheme:
A kind of fire-retardant light diffusing polycarbonate resin composite materials, form by following component and mass percent:
Polycarbonate resin 75% ~ 90%
Brominated polycarbonate 5% ~ 10%
Organic silicon fibre retardant 2% ~ 5%
Light diffusing agent 0.5% ~ 8%
Thermo-stabilizer 0.1% ~ 0.5%
Photostabilizer 0.1% ~ 0.5%
Processing aid 0 ~ 1%.
In above-mentioned fire-retardant light diffusing polycarbonate resin composite materials, described polycarbonate resin is the polycarbonate resin between melting index 5 ~ 20g/10min.
In above-mentioned fire-retardant light diffusing polycarbonate resin composite materials, described organic silicon fibre retardant is one or both mixtures in polydimethylsiloxane and the polymethyl siloxane.
In above-mentioned fire-retardant light diffusing polycarbonate resin composite materials, described light diffusing agent is that one or both are composite in organic light diffusing agent and the inorganic light diffusing agent; Organic light diffusing agent is that in the silicone based and acrylic acid or the like one or both are composite; Inorganic light diffusing agent is that in barium sulfate, lime carbonate, quartz, the glass fibre one or more are composite.
In above-mentioned fire-retardant light diffusing polycarbonate resin composite materials, described thermo-stabilizer is half Hinered phenols antioxidant, described half Hinered phenols antioxidant is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] tetramethylolmethane 1010, β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester 1076, and phosphite ester kind antioxidant is a kind of or its mixture in three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester 168.
In above-mentioned fire-retardant light diffusing polycarbonate resin composite materials, described photostabilizer is a hindered amine light stabilizer, described hindered amine light stabilizer is two (2,2,6,6-four bases-4-piperidyl) sebate, poly--[6-[1,1,3, the 3-tetramethyl butyl]-imino-]-1,3,5-triazine-2,4-two bases]-[2-(2,2,6, the 6-tetramethyl-piperidyl)-amino]-hexylidene-[4-(2,2,6,6-tetramethyl-piperidyl)-methylene radical]], the 2-(2'-hydroxyl-basic phenyl of uncle's 5'-good fortune) one or more mixtures in the benzotriazole.
In above-mentioned fire-retardant light diffusing polycarbonate resin composite materials, described processing aid is a kind of or its mixture in calcium stearate, Zinic stearas, pentaerythritol stearate, white dyes, the titanium dioxide for low molecule ester class stearic acid, metallic soap class.
The preparation method of above-mentioned fire-retardant light diffusing polycarbonate resin composite materials comprises the steps:
The first step, percentage ratio weighs each raw material by weight;
In second step, polycarbonate resin, fire retardant and light diffusing agent are concentrated in high-speed mixer and were mixed 3-8 minute in will filling a prescription; Add processing aid, thermo-stabilizer, photostabilizer again and continue height and mix and close, treat from high-speed mixer, to take out compound behind the mixing;
In the 3rd step, the mixture that step 2 is obtained is sent in twin screw or the reciprocation type list screw extruder with melt blending under 250 ℃-270 ℃ the temperature, and screw slenderness ratio is less than 40;
The 4th step, extrude, tie rod, cooling, pelletizing obtains finished product at last.
Compared with prior art, the present invention has following beneficial effect: the present invention adopts inorganic and organic light diffusion composite, overcome single diffusant and be difficult to reach mist degree and transmittance equilibrated shortcoming, adopting the environmental protection brominated polycarbonate simultaneously is fire retardant and the composite use of organic silicon fibre retardant, reach under the situation of highly effective flame-retardant the effect that influences minimum of transmittance, increased the range of application of the LED lampshade that the polycarbonate of light diffusion makes.The LED lampshade that material of the present invention makes has high flame retardant and transmittance and mist degree equilibrated excellent properties, satisfies the security of the use under the rigorous environment condition.
Embodiment
By the following example the present invention is described in detail, but the present invention is not construed as limiting.
The preparation method is as follows:
The first step, percentage ratio weighs each raw material by weight;
In second step, PC resin, fire retardant and light diffusing agent are concentrated in high-speed mixer and were mixed 3-8 minute in will filling a prescription; Add processing aid, thermo-stabilizer, photostabilizer again and continue height and mix and close, treat from high-speed mixer, to take out compound behind the mixing.
In the 3rd step, the mixture that step 2 is obtained is sent in twin screw or the reciprocation type list screw extruder with melt blending under 250 ℃-270 ℃ the temperature, and screw slenderness ratio is extruded less than 40, tie rod, and cooling, pelletizing obtains finished product at last.
Table 1-2 is the prescription of Comparative Examples and embodiment, is 100 weight parts with the PC resin, and other composition is relative weight part.The PC resin preferably moltenly refers to for the Supreme Being people 1250Y of 8g/10min, moltenly refers to for the bright dipping IR2200 of 12g/10min, moltenly refers to be the LG201-15 of 15g/10min, each trade mark of embodiment in the molten finger of performance is tested in the prescription.It is composite by 3:1 that light diffusing agent is preferably esters of acrylic acid MBX-5 and 8000 purpose barium sulfate that Japanese ponding changes into.The BC-52 of the preferred Chemtura of brominated polycarbonate, organic silicon fibre retardant are preferably the X-40-9805 of Japanese SHIN-ETSU HANTOTAI.The preferred vapour of thermo-stabilizer crust 1010 and 168 composite in the 1:1 ratio.The preferred cyanogen spy's of photostabilizer 5411.It is composite in the ratio of 10:10:1 that processing aid is preferably pentaerythritol stearate, calcium stearate, white dyes.
The prescription of table 1 Comparative Examples
| Component | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 | Comparative Examples 4 | Comparative Examples 5 | Comparative Examples 6 |
| The PC resin | 97.5% | 95.5% | 93.5% | 91.5% | 95.3% | 93.7% |
| Light diffusing agent | 2% | 4% | 6% | 8% | 4% | 6% |
| BC-52 | 0 | 0 | 0 | 0 | 0 | 0 |
| X-40-9805 | 0 | 0 | 0 | 0 | 0 | 0 |
| Thermo-stabilizer | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% |
| 5411 | 0 | 0 | 0 | 0 | 0.2% | 0.2% |
| Processing aid | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% |
The prescription of table 2 embodiment
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 |
| The PC resin | 89.3% | 85.3% | 90.3% | 92.3% | 86.3% | 82.3% | 84.3% | 80.3% |
| Light diffusing agent | 4% | 6% | 8% | 4% | 6% | 8% | 6% | 8% |
| BC-52 | 6% | 8% | 0 | 0 | 6% | 6% | 8% | 8% |
| X-40-9805 | 0 | 0 | 1% | 3% | 1% | 3% | 1% | 3% |
| Thermo-stabilizer | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% |
| 5411 | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% | 0.2% |
| Processing aid | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% | 0.3% |
The The performance test results of table 3 Comparative Examples
| Comparative Examples | 1 | 2 | 3 | 4 | 5 | 6 |
| Melting index (g/10min) | 8 | 12 | 15 | 12 | 8 | 12 |
| Heat-drawn wire (℃) | 142 | 143 | 142 | 141 | 142 | 143 |
| Transmittance (%) | 85 | 80 | 76 | 70 | 79 | 75 |
| Mist degree (%) | 50 | 75 | 92 | 97 | 77 | 94 |
| Flame retardant resistance (1.6mm) | V2 | V2 | V2 | V2 | V2 | V2 |
| Yellowness index | 5.4 | 5.3 | 5.2 | 5.4 | 1.8 | 1.7 |
The The performance test results of table 4 embodiment
| Embodiment | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Melting index (g/10min) | 8 | 12 | 15 | 8 | 12 | 8 | 12 | 15 |
| Heat-drawn wire (℃) | 142 | 143 | 141 | 142 | 142 | 140 | 142 | 141 |
| Transmittance (%) | 78 | 73 | 69 | 79 | 74 | 72 | 67 | 66 |
| Mist degree (%) | 80 | 88 | 92 | 80 | 88 | 89 | 97 | 97 |
| Flame retardant resistance (1.6mm) | V1 | V0 | V1 | V1 | V0 | V0 | V0 | V0 |
| Flame retardant resistance (0.8mm) | V2 | V1 | V2 | V2 | V2 | V1 | V1 | V0 |
| Yellowness index | 1.9 | 1.8 | 1.8 | 1.7 | 1.8 | 1.9 | 1.7 | 1.8 |
The testing standard of table 5 performance and test condition
| Testing method | Testing standard | Test condition |
| Melting index | ASTMD1238 | 300℃，1.2kg |
| Heat-drawn wire | ASTMD648 | 0.45MPa |
| Transmittance | ASTMD1003 | / |
| Mist degree | ASTMD1003 | / |
| Flame retardant resistance | UL94 | / |
| Yellowness index | ASTME313 | / |
Table 1-5 has provided the test result and the testing standard of Comparative Examples and prescription of the present invention, performance, from The performance test results as can be seen, fire-retardant light diffusing polycarbonate resin combination of the present invention, have high flame retardant, mist degree and transmittance balance, weathering resistance, stable on heating excellent properties, except that can be used on molding LED lampshade, can also be used to making other fields that need light to spread such as light diffusing sheet.
Claims (8)
1. a fire-retardant light diffusing polycarbonate resin composite materials is characterized in that, is made up of following component and mass percent:
Polycarbonate resin 75% ~ 90%
Brominated polycarbonate 5% ~ 10%
Organic silicon fibre retardant 2% ~ 5%
Light diffusing agent 0.5% ~ 8%
Thermo-stabilizer 0.1% ~ 0.5%
Photostabilizer 0.1% ~ 0.5%
Processing aid 0 ~ 1%.
2. fire-retardant light diffusing polycarbonate resin composite materials as claimed in claim 1 is characterized in that, described polycarbonate resin is the polycarbonate resin of melting index between 5 ~ 20g/10min.
3. fire-retardant light diffusing polycarbonate resin composite materials as claimed in claim 1 is characterized in that, described organic silicon fibre retardant is one or both mixtures in polydimethylsiloxane and the polymethyl siloxane.
4. fire-retardant light diffusing polycarbonate resin composite materials as claimed in claim 1 is characterized in that, described light diffusing agent is that one or both are composite in organic light diffusing agent and the inorganic light diffusing agent; Organic light diffusing agent is that in the silicone based and acrylic acid or the like one or both are composite; Inorganic light diffusing agent is that in barium sulfate, lime carbonate, quartz, the glass fibre one or more are composite.
5. fire-retardant light diffusing polycarbonate resin composite materials as claimed in claim 1, it is characterized in that, described thermo-stabilizer is half Hinered phenols antioxidant, described half Hinered phenols antioxidant is four [β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid] tetramethylolmethane 1010, β-(3, the 5-di-tert-butyl-hydroxy phenyl) propionic acid octadecanol ester 1076, phosphite ester kind antioxidant is a kind of or its mixture in three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester 168.
6. fire-retardant light diffusing polycarbonate resin composite materials as claimed in claim 1, it is characterized in that, described photostabilizer is a hindered amine light stabilizer, and described hindered amine light stabilizer is two (2,2,6,6-four bases-4-piperidyl) sebate, poly--[6-[1,1,3, the 3-tetramethyl butyl]-imino-]-1,3,5-triazine-2,4-two bases]-[2-(2,2,6, the 6-tetramethyl-piperidyl)-amino]-hexylidene-[4-(2,2,6, the 6-tetramethyl-piperidyl)-methylene radical]], 2-(2'-hydroxyl-basic the phenyl of uncle's 5'-good fortune) one or more mixtures in the benzotriazole.
7. fire-retardant light diffusing polycarbonate resin composite materials as claimed in claim 1, it is characterized in that, described processing aid is a kind of or its mixture in calcium stearate, Zinic stearas, pentaerythritol stearate, white dyes, the titanium dioxide for low molecule ester class stearic acid, metallic soap class.
8. the preparation method of the described fire-retardant light diffusing polycarbonate resin composite materials of claim 1-7 is characterized in that, comprises the steps:
The first step, percentage ratio weighs each raw material by weight;
In second step, polycarbonate resin, fire retardant and light diffusing agent are concentrated in high-speed mixer and were mixed 3-8 minute in will filling a prescription; Add processing aid, thermo-stabilizer, photostabilizer again and continue height and mix and close, treat from high-speed mixer, to take out compound behind the mixing;
In the 3rd step, the mixture that step 2 is obtained is sent in twin screw or the reciprocation type list screw extruder with melt blending under 250 ℃-270 ℃ the temperature, and screw slenderness ratio is less than 40;
The 4th step, extrude, tie rod, cooling, pelletizing obtains finished product at last.
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| CN2011101515410A CN102219989A (en) | 2011-06-08 | 2011-06-08 | Flame-retarding light-diffusing polycarbonate resin composite for LED lamp and preparation method thereof |
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| CN102532857A (en) * | 2012-02-22 | 2012-07-04 | 上海大学 | Polycarbonate composite material suitable for LED (light-emitting diode) lamp cover and preparation method thereof |
| CN102702717A (en) * | 2012-06-29 | 2012-10-03 | 东莞市银禧光电材料科技有限公司 | High-light-transmission anti-glare polycarbonate material and preparation method thereof |
| CN103013087A (en) * | 2012-12-28 | 2013-04-03 | 大河宝利材料科技(苏州)有限公司 | Special flame-retardant light diffuser grade polycarbonate composition for LED (light-emitting diode) and preparation method thereof |
| CN103483793A (en) * | 2013-07-25 | 2014-01-01 | 东莞上海大学纳米技术研究院 | Photodiffusion composite and preparation method thereof |
| CN104610718A (en) * | 2013-11-04 | 2015-05-13 | 西安飞豹科技发展公司 | Flame-retardant semitransparent polycarbonate sheet material, and preparation method thereof |
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| CN107266891A (en) * | 2016-04-07 | 2017-10-20 | 广东聚石化学股份有限公司 | A kind of high fire-retardance light diffusion PC materials and preparation method thereof |
| CN108219422A (en) * | 2017-12-21 | 2018-06-29 | 林美琼 | A kind of fiber reinforced polycarbonate and preparation method thereof |
| CN108342065A (en) * | 2017-05-22 | 2018-07-31 | 安徽旭升新材料有限公司 | A kind of high-effect PC photodiffusion materials of anti-flammability and preparation method thereof |
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| CN108752900A (en) * | 2018-06-22 | 2018-11-06 | 苏州彤帆智能科技有限公司 | PC optics fire proofings and preparation method thereof |
| CN108864503A (en) * | 2017-05-10 | 2018-11-23 | 中山市品匠电子科技有限公司 | A kind of lamp decoration plastic cement composition and preparation method thereof containing graphene oxide |
| CN108864504A (en) * | 2017-05-10 | 2018-11-23 | 中山市品匠电子科技有限公司 | Lamp decoration plastic material and preparation method thereof with good clear light diffusion function |
| CN109096447A (en) * | 2018-08-22 | 2018-12-28 | 泉州安邦展示用品工贸有限公司 | A kind of heatproof waterproof lamp house casing material and preparation method thereof |
| CN109294199A (en) * | 2018-09-13 | 2019-02-01 | 东莞市骄阳塑胶科技有限公司 | Modification pc resin composite materials for LED |
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| CN109294199A (en) * | 2018-09-13 | 2019-02-01 | 东莞市骄阳塑胶科技有限公司 | Modification pc resin composite materials for LED |
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| CN109651788B (en) * | 2018-11-23 | 2021-08-06 | 金旸（厦门）新材料科技有限公司 | Low-precipitation flame-retardant photodiffusion polycarbonate resin and preparation method thereof |
| CN111978699A (en) * | 2020-08-12 | 2020-11-24 | 中广核俊尔(浙江)新材料有限公司 | High-shading thin-wall flame-retardant PC material and preparation method and application thereof |
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| CN117247668A (en) * | 2023-11-17 | 2023-12-19 | 安米卡(无锡)新材料科技有限公司 | Preparation method of flame-retardant PC material |
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Application publication date: 20111019 |