| 摘要 |
1323012 Wax adhesives ARIZONA CHEMICAL CO 4 Aug 1971 [29 Sept 1970 2 July 1971] 36681/71 Heading C5W [Also in Division C3] Hot melt adhesive compositions comprise (Example 9) 2 p.b.w. microcrystalline wax, 2 p.b.w. ethylene/vinyl acetate copolymer and 1 p.b.w. of a copolymer of #-pinene and dipentene in a molar ratio of 19 : 1 to 1 : 19, the terpene copolymer having a molecular weight of 500 to 20,000. |
