CN102382443A - Photodiffusion polycarbonate composite material and manufacture method of photodiffusion light guide plate for building material - Google Patents
Photodiffusion polycarbonate composite material and manufacture method of photodiffusion light guide plate for building material Download PDFInfo
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- CN102382443A CN102382443A CN 201110286704 CN201110286704A CN102382443A CN 102382443 A CN102382443 A CN 102382443A CN 201110286704 CN201110286704 CN 201110286704 CN 201110286704 A CN201110286704 A CN 201110286704A CN 102382443 A CN102382443 A CN 102382443A
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- 239000004417 polycarbonate Substances 0.000 title claims abstract description 81
- 239000002131 composite material Substances 0.000 title claims abstract description 71
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000004566 building material Substances 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title abstract 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- 238000001125 extrusion Methods 0.000 claims abstract description 23
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 22
- 239000004594 Masterbatch (MB) Substances 0.000 claims abstract description 21
- 239000006057 Non-nutritive feed additive Substances 0.000 claims abstract description 18
- 229920005668 polycarbonate resin Polymers 0.000 claims abstract description 13
- 239000004431 polycarbonate resin Substances 0.000 claims abstract description 13
- 239000011159 matrix material Substances 0.000 claims description 34
- 238000005453 pelletization Methods 0.000 claims description 26
- 239000000203 mixture Substances 0.000 claims description 18
- 239000003381 stabilizer Substances 0.000 claims description 16
- 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 13
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 13
- 235000013539 calcium stearate Nutrition 0.000 claims description 13
- 239000008116 calcium stearate Substances 0.000 claims description 13
- 239000000975 dye Substances 0.000 claims description 13
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 12
- -1 propionic acid octadecanol ester Chemical class 0.000 claims description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 229910021529 ammonia Inorganic materials 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 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
- 238000010586 diagram Methods 0.000 claims description 2
- 230000004927 fusion Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 235000012204 lemonade/lime carbonate Nutrition 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 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
- 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
- 229920005573 silicon-containing polymer Polymers 0.000 claims description 2
- 239000001038 titanium pigment Substances 0.000 claims description 2
- 238000002834 transmittance Methods 0.000 abstract description 13
- 208000027418 Wounds and injury Diseases 0.000 abstract description 2
- 230000006378 damage Effects 0.000 abstract description 2
- 208000014674 injury Diseases 0.000 abstract description 2
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- 239000003595 mist Substances 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 10
- 229910052724 xenon Inorganic materials 0.000 description 10
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- JMANVNJQNLATNU-UHFFFAOYSA-N oxalonitrile Chemical compound N#CC#N JMANVNJQNLATNU-UHFFFAOYSA-N 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- MEYZYGMYMLNUHJ-UHFFFAOYSA-N tunicamycin Natural products CC(C)CCCCCCCCCC=CC(=O)NC1C(O)C(O)C(CC(O)C2OC(C(O)C2O)N3C=CC(=O)NC3=O)OC1OC4OC(CO)C(O)C(O)C4NC(=O)C MEYZYGMYMLNUHJ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
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Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a photodiffusion polycarbonate composite material and a manufacture method of a photodiffusion light guide plate for building materials. The composite material is composed of the following components: 85-95% of polycarbonate resin, 0.5-0.8% of photodiffusion agent, 0.2-3% of silicone master batch, 0.3-3% of light stabilizer, 0.1-1% of heat stabilizer and 0.1-1% of processing aid. The manufacture method comprises the steps of: (1) preparing the photodiffusion polycarbonate composite material; (2) manufacturing into a light guide plate mold according to component drawings; and (3) carrying out one-time extrusion shaping on the photodiffusion polycarbonate composite material in a universal extruder by virtue of the light guide plate mold to obtain the component; assembling, testing and packaging to obtain a finished product. The invention has the advantages that: by the addition of the photodiffusion agent, the haze of the light guide plate is increased, the transmittance is maintained, the lighting property is maintained and the injury of strong light to eyes is avoided; by the addition of the composite light stabilizer, the service life of the light guide plate is prolonged; and by the addition of the silicone master batch, the melt flowability and demolding property are improved and the shaping and processing performances of the light guide plate are improved.
Description
Technical field
The present invention relates to technical field of polymer materials, specifically, relate to a kind of light diffusing polycarbonate matrix material and building materials making method with the light diffusing light guiding plate.
Background technology
Polycarbonate resin is called for short PC; Be a kind of in the five large-engineering plastics; As widely used material; PC is a kind of armorphous thermoplastic resin of high comprehensive performance, has excellent electrical insulating property, extensibility, dimensional stability and resistance to chemical corrosion, higher intensity, thermotolerance, the transparency and winter hardiness; Also have simultaneously from put out, advantage such as fire-retardant, nontoxic, pigmentable.
PC is as a kind of transparent material, and the light guiding plate that can be used as household, industrial building, bicycle shed uses.As the material of outdoor application, all there is very high requirement aspects such as light fastness aging, intensity and toughness, have only satisfy these conditions just can life-time service.
Patent 201056793Y has announced a kind of making method of the sunlight corrugated sheet of anti-the ultraviolet, and this patent is that the method through coextrusion adds one deck UV resistant film outside.But the adding of this tunic has reduced the light transmission of this PC sunlight board, and just can not play a protective role after this tunic comes off under exposing to wind and rain for a long time.
Patent CN101921470A has announced a kind of PC sunlight board masterbatch preparation process, through adding the stibium doping stannic oxide material, improves the thermal insulation of plane skylight.But the adding of this metallic compound has influenced the transparency of sunlight board, is unfavorable for the collection of light.
Summary of the invention
The object of the present invention is to provide a kind of light diffusing polycarbonate matrix material.
Another object of the present invention provides the making method of a kind of building materials with the light diffusing light guiding plate.
To achieve these goals, the present invention adopts following technical scheme:
A kind of light diffusing polycarbonate matrix material, form by following compositions in weight percentage:
Polycarbonate resin 85 ~ 95%
Light diffusing agent 0.5 ~ 8%
Silicone master batch 0.2 ~ 3%
Photostabilizer 0.3 ~ 3%
Thermo-stabilizer 0.1 ~ 1%
Processing aid 0.1 ~ 1%.
In above-mentioned light diffusing polycarbonate matrix material, the melting index of said polycarbonate resin is 3.2kg, 300 ℃, 5-8g/10min.
In above-mentioned light diffusing polycarbonate matrix material, described silicone master batch is to be the silicone polymer of carrier with the polymkeric substance.
In above-mentioned light diffusing polycarbonate matrix material, described light diffusing agent is organic light diffusing agent or inorganic light diffusing agent; Said organic light diffusing agent is silicone based or acrylic acid or the like; Said inorganic light diffusing agent is that one or more are composite in permanent white, lime carbonate, quartz, the spun glass.
In above-mentioned light diffusing polycarbonate matrix material, said photostabilizer is 2,2,6, and 6-tetramethyl--4-piperidyl stearate, gather-[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)-ammonia sees base]-hexylidene-[4-(2,2,6, the 6-tetramethyl-piperidyl)-methylene radical]], a kind of or its mixture in 2-(the 2'-hydroxyl-basic phenyl of the uncle's 5'-good fortune) benzotriazole.
In above-mentioned light diffusing polycarbonate matrix material; Described thermo-stabilizer 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 that one or more are composite in three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester 168.
In above-mentioned light diffusing polycarbonate matrix material, described processing aid is a kind of or its mixture in calcium stearate, Zinic stearas, pentaerythritol stearate, white dyes, the white titanium pigment.
A kind of building materials comprise the steps: with the making method of light diffusing light guiding plate
(1) with polycarbonate resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour, through accurate metering silicone master batch, photostabilizer, thermo-stabilizer and processing aid, add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; Through the abundant fusion plastification of double-screw extruding pelletizing machine extrude, tie rod, cooling, pelletizing, homogenizing process the light diffusing polycarbonate matrix material;
(2) light guiding plate is processed mould by component diagram paper;
(3) in general forcing machine, be the light diffusing polycarbonate composite part with the light diffusing polycarbonate matrix material of above-mentioned making by the disposable extrusion moulding of light-conducting board mold; And assembling, test step, be packaged into finished product after qualified.
Compared with prior art, the present invention adopts following technical scheme:
(1) adding of light diffusing agent has increased the mist degree of polycarbonate resin light guiding plate, and transmittance has good maintenance simultaneously.Both kept daylighting property, avoided the injury of high light again eyes.
(2) add composite photostabilizer in the light diffusing polycarbonate resin composite materials, increased the work-ing life of this polycarbonate resin light guiding plate.
(3) adding of silicone master batch has improved fluidity of molten and release property, has improved the forming process type of this light guiding plate.
Embodiment
The preferably molten finger of PC resin is the Supreme Being people 1250Y of 8g/10min in the prescription.Light diffusing agent is preferably Korea S clone KS-200 and 5000 purpose permanent white, and 2:1 is composite by weight.Silicone master batch is preferably DOW CORNING MB50-007.The preferred vapour of thermo-stabilizer crust 1010 and 168 the 1:1 ratio is composite by weight.The preferred cyanogen spy's of photostabilizer UV-5411 and UV-3853 are composite according to weight 1:1.Processing aid is preferably pentaerythritol stearate, calcium stearate, white dyes, and the ratio of 10:10:1 is composite by weight.
Mist degree and transmittance are with ASTMD1003, and yellowness index is selected ASTME313 for use.
Embodiment 1
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; With through accurate metering 1000 gram PC resins, 0.8 gram KS-200 and 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 4 gram UV-5411 and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process light diffusion PC matrix material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the light of above-mentioned making diffusion PC matrix material in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 2.2.Mist degree and transmittance are 30% and 78%, and light is comparatively soft, do not influence daylighting.
Embodiment 2
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; Through accurate metering 1000 gram PC resins, 4 gram KS-200 with 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 6 gram UV-5411 and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process light diffusion PC matrix material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the light of above-mentioned making diffusion PC matrix material in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 1.9.Mist degree and transmittance are 45% and 70%, and light is comparatively soft, do not influence daylighting.
Embodiment 3
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; Through accurate metering 1000 gram PC resins, 8 gram KS-200 with 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 gram thermo-stabilizers, 8 gram UV-5411 and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process light diffusion PC matrix material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the light of above-mentioned making diffusion PC matrix material in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 1.7.Mist degree and transmittance are 65% and 68%, and light is comparatively soft, do not influence daylighting.
Embodiment 4
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; With through accurate metering 1000 gram PC resins, 12 gram KS-200 and 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 12 gram UV-5411 and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process polycarbonate composite material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the polycarbonate composite material of above-mentioned making in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 1.5.Mist degree and transmittance are 75% and 65%, and light is comparatively soft, do not influence daylighting.
Embodiment 5
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; Through accurate metering 1000 gram polycarbonate resins, 20 gram KS-200 with 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 14 gram UV-5411 and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process light diffusion PC matrix material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the light of above-mentioned making diffusion PC matrix material in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 1.4.Mist degree and transmittance are 80% and 60%, and light is comparatively soft, do not influence daylighting.
Embodiment 6
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; Through accurate metering 1000 gram polycarbonate resins, 30 gram KS-200 with 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 14 gram UV-5411 and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process light diffusion PC matrix material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the light of above-mentioned making diffusion PC matrix material in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 1.4.Mist degree and transmittance are 95% and 56%, and light is comparatively soft, do not influence daylighting.
Comparative Examples 1
:With PC resin under 140 ℃ of temperature dry 3-5 hour; Through accurate metering 1000 gram PC resins, 1 gram silicone master batch, 2 grams 1010 with 168 in the composite UV-5411 of 1:1 ratio and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process polycarbonate composite material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the PC matrix material of above-mentioned making in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 6.2, and light aging resisting property is relatively poor.Mist degree and transmittance are 2% and 88%, and daylighting property is good, but light is too strong under the solar radiation, and eyes are had pungency.
Comparative Examples 2
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; Through accurate metering 1000 gram PC resins, 0.8 gram KS-200 with 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 4 gram UV-5411 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process polycarbonate composite material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the polycarbonate composite material of above-mentioned making in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 3.2, and weathering resistance is relatively poor.Mist degree and transmittance are 29% and 78%, and light is comparatively soft, do not influence daylighting.
Comparative Examples 3
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; Through accurate metering 1000 gram PC resins, 4 gram KS-200 with 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 4 gram UV-3853 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process light diffusion PC matrix material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the polycarbonate composite material of above-mentioned making in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 3.0, and light fastness aging is relatively poor.Mist degree and transmittance are 46% and 70%, and light is comparatively soft, do not influence daylighting.
Comparative Examples 4
:With PC resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour; Through accurate metering 1000 gram PC resins, 4 gram KS-200 with 5000 purpose permanent white in the composite light diffusing agent of 2:1,1 gram silicone master batch, 2 grams 1010 with 168 in the composite thermo-stabilizer of 1:1 ratio, 4 gram UV-5411 and UV-3853 according to the composite photostabilizer of 1:1 and 1 gram pentaerythritol stearate, calcium stearate, white dyes in the composite processing aid of 10:10:1 ratio add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; All materials through twin screw extruder plasticizing extrude, tie rod, cooling, pelletizing, homogenizing process light diffusion PC matrix material.
Is polycarbonate composite material parts by the disposable extrusion moulding of diffusion optical guide tabula rasa mould with the polycarbonate composite material of above-mentioned making in general forcing machine, and die temperature need be set at 85 ℃ during extrusion moulding; And assembling, test step, be packaged into the light guiding plate finished product after qualified.Through the xenon lamp measuring, yellowness index is 2.3.Mist degree and transmittance are 45% and 70%, and light is comparatively soft, do not influence daylighting.
Claims (8)
1. a light diffusing polycarbonate matrix material is characterized in that, is made up of following compositions in weight percentage:
Polycarbonate resin 85 ~ 95%
Light diffusing agent 0.5 ~ 8%
Silicone master batch 0.2 ~ 3%
Photostabilizer 0.3 ~ 3%
Thermo-stabilizer 0.1 ~ 1%
Processing aid 0.1 ~ 1%.
2. light diffusing polycarbonate matrix material as claimed in claim 1 is characterized in that, the melting index of said polycarbonate resin is 3.2kg, 300 ℃, 5-8g/10min.
3. light diffusing polycarbonate matrix material as claimed in claim 1 is characterized in that, described silicone master batch is to be the silicone polymer of carrier with the polymkeric substance.
4. light diffusing polycarbonate matrix material as claimed in claim 1 is characterized in that, described light diffusing agent is organic light diffusing agent or inorganic light diffusing agent; Said organic light diffusing agent is silicone based or acrylic acid or the like; Said inorganic light diffusing agent is that one or more are composite in permanent white, lime carbonate, quartz, the spun glass.
5. light diffusing polycarbonate matrix material as claimed in claim 1 is characterized in that, said photostabilizer is 2,2,6; 6-tetramethyl--4-piperidyl stearate, gather-[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)-ammonia sees base]-hexylidene-[4-(2,2,6, the 6-tetramethyl-piperidyl)-methylene radical]], a kind of or its mixture in 2-(the 2'-hydroxyl-basic phenyl of the uncle's 5'-good fortune) benzotriazole.
6. light diffusing polycarbonate matrix material as claimed in claim 1; It is characterized in that described thermo-stabilizer 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 that one or more are composite in three (2, the 4-di-tert-butyl-phenyl) phosphorous acid ester 168.
7. light diffusing polycarbonate matrix material as claimed in claim 1 is characterized in that, described processing aid is a kind of or its mixture in calcium stearate, Zinic stearas, pentaerythritol stearate, white dyes, the white titanium pigment.
8. building materials is characterized in that comprising the steps: with the making method of light diffusing light guiding plate
(1) with polycarbonate resin under 140 ℃ of temperature dry 3-5 hour; With light diffusing agent after under the 85-95 ℃ of temperature dry 5-7 hour, through accurate metering silicone master batch, photostabilizer, thermo-stabilizer and processing aid, add mix 10-20 minute in the mixing machine after, add the double-screw extruding pelletizing machine again; Through the abundant fusion plastification of double-screw extruding pelletizing machine extrude, tie rod, cooling, pelletizing, homogenizing process the light diffusing polycarbonate matrix material;
(2) light guiding plate is processed mould by component diagram paper;
(3) in general forcing machine, be the light diffusing polycarbonate composite part with the light diffusing polycarbonate matrix material of above-mentioned making by the disposable extrusion moulding of light-conducting board mold; And assembling, test step, be packaged into finished product after qualified.
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| CN102786791A (en) * | 2012-09-06 | 2012-11-21 | 科创聚合物(苏州)有限公司 | Photodiffusion poly carbonate (PC) material |
| CN103788616A (en) * | 2014-01-27 | 2014-05-14 | 上海日之升新技术发展有限公司 | Light diffusion modified PC (polycarbonate) composition and preparation method thereof |
| CN104098883A (en) * | 2014-06-27 | 2014-10-15 | 广东威林工程塑料有限公司 | High-toughness high-diffusivity PC/PBT alloy material and preparation method thereof |
| CN106049772A (en) * | 2016-05-26 | 2016-10-26 | 浙江安通电子科技有限公司 | Polycarbonate (PC) canopy board and manufacturing technique thereof |
| CN106280379A (en) * | 2016-09-30 | 2017-01-04 | 福建华塑新材料有限公司 | A kind of high transmission rate Merlon and preparation method thereof |
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| WO2018090728A1 (en) * | 2016-10-21 | 2018-05-24 | 广州视源电子科技股份有限公司 | Interactive intelligent panel, button structure, and manufacturing method for light guide column of button structure |
| CN108164963A (en) * | 2017-12-29 | 2018-06-15 | 广州汽车集团零部件有限公司 | A kind of knob selector shifting control panel and mode button material and preparation method thereof |
| CN108342066A (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 and preparation method thereof |
| CN108467552A (en) * | 2018-04-18 | 2018-08-31 | 惠州市创亿达新材料有限公司 | Light diffusion master batch and preparation method thereof |
| CN109777067A (en) * | 2018-12-27 | 2019-05-21 | 重庆普利特新材料有限公司 | A kind of high flowing, low internal stress PC material and preparation method thereof |
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| CN102786791A (en) * | 2012-09-06 | 2012-11-21 | 科创聚合物(苏州)有限公司 | Photodiffusion poly carbonate (PC) material |
| CN103788616A (en) * | 2014-01-27 | 2014-05-14 | 上海日之升新技术发展有限公司 | Light diffusion modified PC (polycarbonate) composition and preparation method thereof |
| CN104098883A (en) * | 2014-06-27 | 2014-10-15 | 广东威林工程塑料有限公司 | High-toughness high-diffusivity PC/PBT alloy material and preparation method thereof |
| CN106049772A (en) * | 2016-05-26 | 2016-10-26 | 浙江安通电子科技有限公司 | Polycarbonate (PC) canopy board and manufacturing technique thereof |
| CN106280379A (en) * | 2016-09-30 | 2017-01-04 | 福建华塑新材料有限公司 | A kind of high transmission rate Merlon and preparation method thereof |
| WO2018090728A1 (en) * | 2016-10-21 | 2018-05-24 | 广州视源电子科技股份有限公司 | Interactive intelligent panel, button structure, and manufacturing method for light guide column of button structure |
| CN106764546A (en) * | 2016-11-22 | 2017-05-31 | 东莞泛美光电有限公司 | LED lamp tube with nanotube |
| CN108342066A (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 and preparation method thereof |
| CN108164963A (en) * | 2017-12-29 | 2018-06-15 | 广州汽车集团零部件有限公司 | A kind of knob selector shifting control panel and mode button material and preparation method thereof |
| CN108467552A (en) * | 2018-04-18 | 2018-08-31 | 惠州市创亿达新材料有限公司 | Light diffusion master batch and preparation method thereof |
| CN109777067A (en) * | 2018-12-27 | 2019-05-21 | 重庆普利特新材料有限公司 | A kind of high flowing, low internal stress PC material and preparation method thereof |
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| CN102382443B (en) | 2013-09-11 |
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