| abstract |
The present invention discloses a phosphorus-containing compound which can be used as a flame retardant and can be used in combination with other components to form a resin composition for producing, for example, a prepreg, a resin film, a resin film with a copper foil, a laminate or Articles such as printed circuit boards are further improved in one or more aspects such as glass transition temperature, thermal expansion coefficient, heat resistance, flame retardancy, dielectric constant, dielectric loss, and the like. Further, the present invention also discloses a process for producing the above phosphorus-containing compound and a resin composition containing the above compound. |