In this paper, rosin and isocyanate are used in the acrylic pressure - sensitive adhesive to give apeel strength double - sided tape. Rosin, used as lackifier, is better than other resin. And iso-te, used as cross linker, to give a good adhesion to the polar material, in particular metal. The tapefrom above - mentioned adhesive is usually sued in assembly line process, like automobile, refrig-erator, etc.
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