| 摘要 |
1497118 Fire-retardant compositions containing graphite CHEMIE LINZ AG 24 March 1975 [29 March 1974] 12271/75 Headings C3P C3Q and C3R [Also in Division B2] An intumescent coating composition comprises (a) expandable graphite, (b) one or more phenolic resins which show thermoplastic behaviour up to a temperature of at least 200‹ C. and (c) a tacky polychloroprene which has been partially degraded by mastication, chlorinated rubber and/or a chlorinated polyolefin. |
