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    • 3. 发明授权
    • Extrusion-foamed board of resin blend comprising modified polypropylene resin and polystyrene resin
    • 包含改性聚丙烯树脂和聚苯乙烯树脂的树脂共混物的挤出发泡板
    • US06262138B1
    • 2001-07-17
    • US09582938
    • 2000-07-07
    • Osamu MiyamaHaruo Tomita
    • Osamu MiyamaHaruo Tomita
    • C08J900
    • C08J9/0061C08J2201/03C08J2205/052C08J2323/12C08J2425/00
    • There is provided a foamed article having a low density, large thickness, a high closed cell ratio and a small average cell diameter. A foamed extrusion article having a density of 50 to 10 kg/m3 and a closed cell ratio of at least 40% is obtained by mixing a mixed resin comprising (a) 50 to 95 parts by weight of a polypropylene resin having a melt tension at 230° C. of at least 0.05 N, (b) 50 to 5 parts by weight of a polystyrene resin, and (c) 0.5 to 15.0 parts by weight of a hydrogenated block copolymer of styrene, isoprene and styrene based on 100 parts by weight of the polypropylene resin (a) and the polystyrene resin (b) with a foaming agent in an extruder, and then releasing into a low-pressure zone.
    • 提供具有低密度,大厚度,高闭孔比和小平均泡孔直径的泡沫制品。 通过将包含(a)50至95重量份的具有熔体张力的聚丙烯树脂的混合树脂混合在一起,获得具有50至10kg / m 3密度和至少40%密度的泡沫挤出制品 230℃,至少0.05N,(b)50-5重量份聚苯乙烯树脂,和(c)基于100重量份的苯乙烯,异戊二烯和苯乙烯的氢化嵌段共聚物0.5至15.0重量份 聚丙烯树脂(a)和聚苯乙烯树脂(b)的重量在挤出机中用发泡剂,然后释放到低压区。
    • 6. 发明授权
    • Disk storage system and data update method used therefor
    • 磁盘存储系统及其数据更新方法
    • US06233648B1
    • 2001-05-15
    • US09130102
    • 1998-08-06
    • Haruo Tomita
    • Haruo Tomita
    • G06F1200
    • G06F3/0613G06F3/064G06F3/0656G06F3/0689G06F11/1076
    • A disk storage system with a RAID architecture includes a write buffer having a storage capacity corresponding to one stripe, a buffer management table, and a controller. The controller stores, in the write buffer, logical blocks whose data lengths are changed, as needed, and delays updating of the logical blocks stored in the write buffer in data update processing until the number of stored logical blocks reaches N*K−1 The controller then performs a continuous write operation to sequentially write N*K logical blocks, obtained by adding a logical address tag block to the N*K−1logical blocks, in contiguous areas of empty areas different from the areas in which the old data are stored.
    • 具有RAID架构的磁盘存储系统包括具有对应于一个条带的存储容量的写入缓冲器,缓冲器管理表和控制器。 控制器在写缓冲器中存储数据长度根据需要改变的逻辑块,并且在数据更新处理中延迟存储在写缓冲器中的逻辑块的更新,直到存储的逻辑块的数量达到N * K-1。 控制器然后执行连续写入操作,以顺序地将N * K个逻辑块写入到与存储旧数据的区域不同的空区域的连续区域中,该N * K个逻辑块通过在N * K-1逻辑块中添加逻辑地址标签块而获得 。
    • 10. 发明授权
    • Graft-modified polyolefin resins and resin compositions containing the
same
    • 接枝改性聚烯烃树脂和含有它们的树脂组合物
    • US5912301A
    • 1999-06-15
    • US894485
    • 1997-08-22
    • Kazuhiko TamaiShinji OzawaKenji KurimotoHaruo Tomita
    • Kazuhiko TamaiShinji OzawaKenji KurimotoHaruo Tomita
    • C08F255/00C08L51/06C08L67/02C08L69/00C08L77/00C08L67/00
    • C08L67/02C08F255/00C08L51/06C08L69/00C08L77/00
    • A graft-modified polyolefin resin is provided, which is obtained by preparing a aqueous suspension containing (a1) 100 parts by weight of a polyolefin resin, (a2) 0.1 to 30 parts by weight of a mixture of 1 to 1000 parts by weight of an unsaturated glycidyl ester to 100 parts by weight of a compound having a glycidyl group as represented by a general formula (I): ##STR1## wherein Ar is an aromatic hydrocarbon group of C.sub.6 -C.sub.23 having at least one glycidyloxy group, and R is a hydrogen atom or a methyl group, (a3) 0.1 to 500 parts by weight of a vinyl monomer, and (a4) 0.001 to 10 parts by weight of a radical initiator to 100 parts by weight in total of (a2) and (a3), to thus impregnate (a1) with (a2) and (a3), and polymerizing (a2) and (a3) onto (a1). Resin compositions containig the graft-modified polyolefin resin have not only well-balanced mechanical properties, but excellent moldability.
    • PCT No.PCT / JP96 / 00400 Sec。 371日期1997年8月22日 102(e)日期1997年8月22日PCT提交1996年2月22日PCT公布。 出版物WO96 / 26230 PCT 日本1996年8月29日提供接枝改性聚烯烃树脂,其通过制备含有(a1)100重量份聚烯烃树脂的水性悬浮液,(a2)0.1〜30重量份的1〜 1000重量份不饱和缩水甘油酯与100重量份具有通式(I)表示的缩水甘油基的化合物:其中Ar是具有至少一个缩水甘油基氧基的C 6 -C 23的芳族烃基,和 R是氢原子或甲基,(a3)0.1〜500重量份的乙烯基单体,和(a4)0.001〜10重量份的自由基引发剂相对于(a2)和 (a3),从而将(a2)和(a3)浸渍(a1),并将(a2)和(a3)聚合到(a1)上。 含有接枝改性聚烯烃树脂的树脂组合物不仅具有良好平衡的机械性能,而且具有优异的成型性。