HIGH OPTICAL TRANSPARENCY POLYMER AEROGELS USING LOW REFRACTIVE INDEX MONOMERS

• Main Authors: MAHATI CHINTAPALLI, JESSICA LOUIS BAKER RIVEST, STEPHEN MECKLER, IFTIME GABRIEL, QUENTIN VAN OVERMEERE, ELI BULGER, RAVI NEELAKANTAN
• Format: Patent
• Language: English; Japanese
• Published: 02.07.2020
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a porous polymer with reduced haze and increased optical transparency.SOLUTION: A polymer aerogel has polymerizable monomers and crosslinkers, wherein at least one of the monomers or at least one of the crosslinkers has a refractive index of less than 1.5, and the polymer aerogel has a visible transmittance of at least 20%/3 mm, a haze of 50%/3 mm or lower, and a porosity of at least 10%.SELECTED DRAWING: Figure 1 【課題】ヘーズの低減及び光透過性の増加した多孔質ポリマーの提供。【解決手段】重合性モノマー及び架橋剤からなるポリマーエアロゲルであって、少なくとも１つのモノマー又は少なくとも１つの架橋剤が、１．５未満の屈折率を有し、また、少なくとも２０％／３ｍｍの可視透過率、５０％／３ｍｍ以下のヘーズ、及び少なくとも１０％の多孔率を有する、ポリマーエアロゲル。【選択図】図１