WebA liquid solder resist composition contains: a carboxyl group-containing resin; a photopolymerizable compound which contains one or more kinds of compounds selected from a group consisting of a photopolymerizable monomer and a photopolymerizable prepolymer; a photopolymerization initiator; an epoxy compound; and titanium dioxide. Web31 gen 2024 · ここで、R 1 およびR 2 はそれぞれ独立して、H、CH 3 、OCH 3 、OC 2 H 5 、NO 2 、ハロゲン、またはNH-CO-NR 3 R 4 を表す。 R 3 およびR 4 はそれぞれ独立して、炭素数1~8の炭化水素基、アリル基、アルコキシ基、アルケニル基、アラルキル基、またはR 3 とR 4 を同時に含む脂環式化合物を表す。
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Web1. A photosensitive resin composition comprising: an epoxy resin (A); a compound having phenolic hydroxyl groups (B); and a cationic photopolymerization initiator (C), wherein the epoxy resin (A) has a weighted average epoxy equivalent of 300 g/eq. or higher; and the epoxy resin (A) comprises 20% by mass or more of an epoxy resin represented by the … http://zhuanli.zhangqiaokeyan.com/patent_3_70/06120112603815.html rogati hrib
EPOXY RESIN COMPOSITION, PREPREG, ABD FIBER-REINFORCED …
Web15 feb 2024 · EPICLON830-S is a liquid DGEBF oligomer, while jER4004P is a solid DGEBF oligomer with a higher molecular weight, and thus a higher viscosity than … Web6 lug 2024 · U.S. patent application number 16/654943 was filed with the patent office on 2024-02-20 for sheet-molding compound and fiber-reinforced composite material.This patent application is currently assigned to Mitsubishi Chemical Corporation. WebAn adhesive sheet for production of a semiconductor device with bump electrode, including a soft film and an alkali-soluble adhesive film formed on the soft film is capable of exposing the bump electrode without imparting damage to the bump electrode, and then wet etching of an adhesive on bump tops using an aqueous alkali solution makes it possible to put … tessuti ugg boots