| 摘要 |
PURPOSE:To obtain an adhesive for automotive body hemming arts, containing butyl rubber, plasticizer and thermal expandable filler, having excellent adhesive strength, rust preventing properties, flexibility and hermetic sealability without emitting corrosive gases in spot welding. CONSTITUTION:The aimed adhesive containing (A) butyl rubber, (B) a plasticizer optimally consisting of polybutene and (C) a thermally expandable filler consisting of thermally expandable microcapsules, etc., as essential components and, if necessary, further blending an inorganic filler, adhesion imparting agent, tackifier, carbon black and antioxidant, etc. |
