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    • 97. 发明申请
    • BLOCK COPOLYMER AND PRESSURE-SENSITIVE ADHESIVE COMPOSITION
    • 嵌段共聚物和压敏粘合剂组合物
    • WO1994005717A1
    • 1994-03-17
    • PCT/JP1993001191
    • 1993-08-25
    • NIPPON ZEON CO., LTD.ASAHARA, ItsuoTAKEMATSU, Minoru
    • NIPPON ZEON CO., LTD.
    • C08F297/04
    • C08F297/046C08L2666/02C09J153/02
    • A block copolymer composed of an aromatic vinyl compound polymer block, a butadiene polymer block and an isoprene polymer block. It has the weight-average molecular weight of 10,000 to 500,000, the content of the bonded aromatic vinyl compound of 10-50 wt.%, the content of the bonded butadiene of 10-60 wt.%, the content of the bonded isoprene of 10-60 wt.%, the content of the 1,2-vinyl bonds in the butadiene portion of 15 % or less, the content of the 3,4-vinyl bonds in the isoprene portion of 10 % or less, the storage modulus of 106-3x108 Pa according to viscoelasticity measurement in the temperature range of 0 to 50 C, only one peak of the loss tangent due to the butadiene and isoprene polymer blocks in the temperature range of -80 to -50 C, and a reduced change in the melt viscosity with time. The invention also provides a pressure-sensitive adhesive composition comprising the above copolymer and a tackifier.
    • 由芳族乙烯基化合物聚合物嵌段,丁二烯聚合物嵌段和异戊二烯聚合物嵌段构成的嵌段共聚物。 其重均分子量为10,000〜500,000,粘结芳族乙烯基化合物的含量为10〜50重量%,结合丁二烯的含量为10〜60重量%,结合异戊二烯的含量 10-60重量%,丁二烯部分中的1,2-乙烯基键的含量为15%以下,异戊二烯部分中的3,4-乙烯基含量为10%以下,储能模量 在0〜50℃的温度范围内根据粘弹性测量值为106-3×10 8 Pa,在-80〜-50℃的温度范围内由于丁二烯和异戊二烯聚合物嵌段的损耗角正切只有一个峰值, 在熔体粘度随时间变化。 本发明还提供了包含上述共聚物和增粘剂的压敏粘合剂组合物。
    • 100. 发明申请
    • NOVEL COMPOUND
    • 新型化合物
    • WO1991015468A1
    • 1991-10-17
    • PCT/JP1991000473
    • 1991-04-11
    • NIPPON ZEON CO., LTD.KIMURA, MasayasuKIMURA, IkukoKIKUCHI, Toru
    • NIPPON ZEON CO., LTD.
    • C07C305/10
    • C07C305/10
    • A novel compound of general formula (I), which enhances the action of a beta -adrenergic drug, wherein X represents OH or OSO3H; one of Y and Z represents OSO3H while the other represents hydrogen; R1 represents hydrogen or lower alkyl; provided that, when Y represents hydrogen, one of R2 and R3 represents hydrogen while the other represents lower alkyl or (II), wherein R5 and R6 represent each lower alkyl, and that, when Z represents hydrogen, both of R2 and R3 represent hydrogen or lower alkyl, or one of them represents hydrogen while the other represents lower alkyl or (III), wherein R5 and R6 represent each lower alkyl.
    • 一种通式(I)的新型化合物,其增强β-肾上腺素能药物的作用,其中X表示OH或OSO 3 H; Y和Z之一表示OSO3H,而另一个表示氢; R1代表氢或低级烷基; 条件是当Y表示氢时,R 2和R 3之一表示氢,而另一个表示低级烷基或(II),其中R 5和R 6表示各低级烷基,并且当Z表示氢时,R 2和R 3都表示氢 或低级烷基,或其中一个表示氢,而另一个表示低级烷基或(III),其中R 5和R 6表示每个低级烷基。