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发明授权
CN101899270B 喷墨记录头用密封带及使用其的喷墨记录头 失效 - 权利终止

喷墨记录头用密封带及使用其的喷墨记录头
摘要：
本发明涉及一种喷墨记录头用密封带及使用其的喷墨记录头。一种喷墨记录头用密封带，其可剥离地粘接于芯片表面，所述芯片设置于喷墨记录头上并且在其上形成用于排出墨的排出口，该喷墨记录头用密封带包括：基材层；和在所述基材层上的粘合层，该粘合层由以下组成：(1)70至100wt％的不具有不饱和碳键并由(a)乙烯基芳族化合物单元和(b)烯烃单元组成的(A)-(B)-(A)嵌段共聚物，其中(A)是由(a)单元组成的聚合物嵌段，(B)是由(b)单元组成的聚合物嵌段；和(2)0至30wt％的聚烯烃，其中在(1)(A)-(B)-(A)嵌段共聚物中的(a)乙烯基芳族化合物单元的含量为10至30wt％。
摘要（英）：

A sealing tape for an ink jet recording head, detachably adhered to the surface of a chip which is provided on an ink jet recording head and on which a discharge port for discharging ink is formed, includes: a base layer; and an adhesive layer on the base layer, the adhesive layer consisting of: (1) 70 to 100 wt % of (A)-(B)-(A) block copolymers which have no unsaturated carbon bond and consist of (a) vinyl aromatic compound units and (b) olefinic hydrocarbon units where (A) is a polymer block consisting of the (a) units and (B) is a polymer block consisting of the (b) units; and (2) 0 to 30 wt % of polyolefin, wherein the content of the (a) vinyl aromatic compound units in the (1) (A)-(B)-(A) block copolymers is 10 to 30 wt %.

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