Preparation and properties of silicone -cycloaliphatic epoxy resins for LED packaging

Zong, Yangyang; Gui, Dayong; Yu, Si; Liu, Canqun; Chen, Wei; Qi, Zhong‐Nan

doi:10.1109/icept.2016.7583128

Cited by 1 publication

(2 citation statements)

References 13 publications

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“…The fabricated resins showed transmittances >90% at 800 nm and >85% at 400 nm, as well as 5% decomposition temperatures >330 °C and water absorption of less than 2% within the first 12 h in boiling water. UV-and temperature-mediated (120 °C) ageing tests showed no yellow coloring of the samples, rendering these materials candidates for LED-packaging and electronic sealings [147][148][149]. Contrary to sealing with low electrical conductivity, polymer-derived ceramics offer great potential for application in micro-electrical systems as they exhibit higher conductivities [150,151].…”

Section: Microelectronic Applicationsmentioning

confidence: 99%

“…The fabricated resins showed transmittances >90% at 800 nm and >85% at 400 nm, as well as 5% decomposition temperatures >330 • C and water absorption of less than 2% within the first 12 h in boiling water. UV-and temperature-mediated (120 • C) ageing tests showed no yellow coloring of the samples, rendering these materials candidates for LED-packaging and electronic sealings [147][148][149].…”

Section: Microelectronic Applicationsmentioning

confidence: 99%

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Fifty Years of Hydrosilylation in Polymer Science: A Review of Current Trends of Low-Cost Transition-Metal and Metal-Free Catalysts, Non-Thermally Triggered Hydrosilylation Reactions, and Industrial Applications

2017

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Hydrosilylation reactions, the (commonly) anti-Markovnikov additions of silanes to unsaturated bonds present in compounds such as alkenes and alkynes, offer numerous unique and advantageous properties for the preparation of polymeric materials, such as high yields and stereoselectivity. These reactions require to be catalyzed, for which platinum compounds were used in the initial stages. Celebrating the 50th anniversary of hydrosilylations in polymer science and, concomitantly, five decades of continuously growing research, hydrosilylation reactions have advanced to a level that renders them predestined for transfer into commercial products on the large scale. Facing this potential transfer, this review addresses and discusses selected current trends of the scientific research in the area, namely low-cost transition metal catalysts (focusing on iron, cobalt, and nickel complexes), metal-free catalysts, non-thermally triggered hydrosilylation reactions (highlighting stimuli such as (UV-)light), and (potential) industrial applications (highlighting the catalysts used and products manufactured). This review focuses on the hydrosilylation reactions involving alkene reactants.

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