New polycarbonate for LED lighting
Bayer MaterialScience has developed new types of transparent Makrolon ® for the growing use of LEDs (light emitting diodes) for innovative light sources. Significant use is for lenses, focusing and guiding light emitted by an LED.
Bayer MaterialScience již nyní vyrábí řadu polykarbonátů pro řadu použití s LED diodami. Polykarbonáty se vyznačují nejenom výbornou světelnou vodivostí, ale také výbornou tepelnou odolností a vynikající stabilitou pod LED světelným zářením.Makrolon® LED2045 má nejvyšší světelnou propustnost a je ideální pro optické čočky a světlovodiče se silnější stěnou, nebo delší dráhou vedení světla. Makrolon® LED 245 má stejné optické vlastnosti a o něco lepší mechanické vlastnosti při snížené tekutosti. Oba typy vedou světlo do délky vodiče 300 mm bez znatelných ztrát.
LED diody hrají rostoucí roli ve vnitřním i vnějším osvětlení budov, ale také pro pouliční lampy a automobilní reflektory. Toto řešení přispívá ke snížení spotřeby elektrické energie ve srovnání s konvenčními světelnými zdroji a nabízí zajímavé možnosti vzhledu osvětlovacích těles se speciálními barevnými efekty.
Charakteristika
Makrolon® LED2045 a Makrolon® LED2245 je čirý, velmi dobře tekoucí, lineární polykarbonát s nižší molekulovou hmotností, založený na Bisfenolu A, vhodný pro vstřikování. Oba typy mají zlepšenou odformovatelnost.
Nabízí lepší optické vlastnosti (polykarbonát s nejlepší světelnou propustností) a vyšší čistotu než základní typy materiálu Makrolon®. Tento typ materiálu Makrolon® má výborné tokové vlastnosti a proto je vhodný pro výrobu výlisků s nepříznivým poměrem délky toku / síla stěny výlisku. Při porovnání s typy s vyšší viskozitou taveniny (Makrolon® 28.. a 3...) má Makrolon® LED2045 a Makrolon® LED2245 nižší úroveň pevnosti, stále jsou vhodné pro celou řadu aplikací.
Makrolon® LED2045 má příznivější tekutost, než Makrolon® LED2245.
- autor:
- RADKA spol. s r.o. Pardubice
-
RADKA spol. s r.o. Pardubice
Structural and standard thermoplastics, thermoplastic elastomers - TPE, plastic additives, thermoplastics, PP Polypropylene granulate, PE Polyethylene granulate.
- www.radka.cz
- Na Lužci 706, Lázně Bohdaneč
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