| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-adhesive tape which can attain bonding withstanding to both low temperature and heat. SOLUTION: There is provided a pressure-sensitive self-adhesive double-coated tape containing a support coated with a pressure-sensitive adhesive composition on both surfaces, wherein the support comprises (a) at most 50 wt.%, especially, 30-40 wt.% nonfoamed crosslinked polyurethane made from (i) a hydroxyl- functionalized polybutadiene, a polyester diol, a polyester triol, a polyester polyol, a polyether diol, a polyether triol, or a polyether polyol, a polyether diamine, a polyether triamine, a polyether polyamine, and a monohydric alcohol (monool), a monofunctional amine (monoamine), a polyether monool, a polyether monoamine, or a product derived from the mentioned last four groups, and (ii) a diisocyanate or a chemically derived isocyanate and (iii) is freed from a plasticizer and 50-70 wt.% filler (b). |
