Patents

Multi-layer Polyimide Films and Flexible Circuit Substrates Therefrom

November 18, 2008

A multi-layer polyimide film, comprising two or more polyimide film layers has been granted a patent. At least one of the two or more polyimide film layers is obtained by imidizing a polyamic acid obtained from the reaction of at least one aromatic diamine containing 1-100 mol percent of carboxy-4,4’-diaminobiphenyl of Formula 1: m and n represent integers of four or less, including 0, and (m+n) is an integer of one or greater, and at least one aromatic tetracarboxylic dianhydride or a derivative thereof.
  • The Year That Was 2016

    The Year That Was 2016

    Karen McIntyre, Editor||December 1, 2016
    The year 2016 included investments, new product development and an entrepreneurial spirit in nonwovens that will surely impac

  • The Automotives Market

    The Automotives Market

    Tara Olivo, Associate Editor||December 1, 2016
    Nonwovens continue to replace other materials in cars and automotive components.

  • Hygiene Components Suppliers Respond to Change

    Hygiene Components Suppliers Respond to Change

    Karen McIntyre, Editor||December 1, 2016
    Growth and diversification in adult incontinence and new players in the baby diaper market force makers of adhesives, elastic