Production manner null of the hot melt adhesive constituent and the interior material for the automobile

摘要

PROBLEM TO BE SOLVED: To provide a hot-melt adhesive compsn. which is excellent in heat resistance and is used for bonding lowly polar adherends to each other or a lowly polar adherend to a highly polar adherend and to provide an automotive interior material produced by using the same. ;SOLUTION: This hot-melt adhesive compsn. contains, as essential ingredients, (A) 100 pts.wt. crystalline polybutylene having a melt index (190°C, 2.16 kgf/cm²) of 20-2,000 g/10 min, (B) 20-200 pts.wt. hydrogenated tackified resin, (C) 20-200 pts.wt. at least one nonhydrogenated tackified resin selected from among terpene-modified phenol resins, arom. petroleum resins, styrenic resins, and rosin-base resins, and (D) 0.1-100 pts.wt. polypropylene-based wax, and amt. of ingredient A accounting for 10-60 wt.% of the compsn.;COPYRIGHT: (C)1999,JPO