| 摘要 |
<p>1,217,967. Polymer composition. STANDARD OIL CO. 21 Jan., 1969, No. 3280/69. Heading C3P. [Also in Divisions B2 and C5] A composition, suitable for use as a hot melt adhesive or coating comprises 0-90% of a wax having a melting point of 125-200‹ F., 5-80% of an ethylene-vinyl acetate, ethylene-ethyl acrylate or ethylene-isobutyl acrylate copolymer having an unsaturated ester content of 10-50 mol. per cent, and 5-80% of a dimethyl alpha-methyl styrene/alpha-methyl styrene/ styrene resin containing 10-70 mol. per cent of each component monomer and having a ball and ring softening point of 150-325‹ F.</p> |
