Patents Assigned to Nat Univ. Corp. Tokyo Univ of Agriculture and Tech
  • Publication number: 20090048377
    Abstract: Disclosed is a flame-retardant resin processed article having excellent flame retardance while being free from bleed-out. Specifically, a resin composition containing a cyclic phosphorus compound flame retardant, a hydrophilic silica powder having an average particle diameter of not more than 15 m, and a resin with the total content of the cyclic phosphorus compound and the hydrophilic silica powder being 10-45% by mass is molded into a certain shape or formed into a coating film. The hydrophilic silica powder is preferably composed of porous structures having a pore volume of not more than 1.8 ml/g and a pH of 4-7. More preferably, the hydrophilic silica powder has an oil absorption of not less than 50 ml/100 g in accordance with JIS K5101.
    Type: Application
    Filed: May 10, 2006
    Publication date: February 19, 2009
    Applicants: Fuji Electric Holdings Co., Ltd., Nat Univ. Corp. Tokyo Univ of Agriculture and Tech
    Inventors: Toshiyuki Kanno, Yoshinobu Sugata, Hironori Yanase, Kiyotaka Shigehara