| abstract |
1440964 Laminating polyester film TEIJIN Ltd 7 June 1973 27260/73 Heading B5N [Also in Divisions C3 and B2] Linear aromatic polyesters derived from naphthalene - 2,6 - dicarboxylic acid and/or naphthalene - 2,7 - dicarboxylic acid and a polyol of the formula in which R 1 and R 2 are C 1-3 alkyl, m is 0 or 2 and n is 2 to 6, can be used as adhesives for bonding polyethylene terephthalate films or polyethylene naphthalate films. In Example 8, an adhesive composition comprising the above polyester, a mixed organic solvent and an isocyanate ocmpound is coated on a copper foil and a polyethylene naphthalate film and the foil and film are laminated under heat and pressure. |