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    • 13. 发明申请
    • HEAT RESISTANT POLYAMIDE COMPOSITIONS HAVING HIGH AMINE ENDS
    • 具有高碱性末端的耐热聚酰胺组合物
    • US20110028628A1
    • 2011-02-03
    • US12842129
    • 2010-07-23
    • Marvin M. MartensToshikazu Kobayashi
    • Marvin M. MartensToshikazu Kobayashi
    • C08K5/053
    • C08K5/053C08K5/06C08L77/06
    • Disclosed is a thermoplastic composition including (A) a polyamide resin independently selected from the group consisting of Group (IV) Polyamides comprising (aa) about 50 to about 95 mole percent semiaromatic repeat and (bb) about 5 to about 50 mole percent aliphatic repeat units; and Group (VI) Polyamides having no melting point, (B) about 0.25 to about 15 weight percent of one or more polyhydric alcohols having more than two hydroxyl groups and a having a number average molecular weight (Mn) of less than 2000; (C) 0 to 60 weight percent of one or more reinforcement agents; and (D) 0 to 50 weight percent of a polymeric toughener wherein said polyamide resin has at least about 70 meq/Kg of amine ends.
    • 公开了一种热塑性组合物,其包含(A)独立地选自组(IV)聚酰胺的聚酰胺树脂,其包含(aa)约50至约95摩尔%的半芳族重复和(bb)约5至约50摩尔%的脂族重复 单位; 和(VI)族不含熔点的聚酰胺,(B)约0.25至约15重量%的一种或多种具有多于两个羟基并且数均分子量(Mn)小于2000的多元醇; (C)0至60重量%的一种或多种增强剂; 和(D)0至50重量%的聚合物增韧剂,其中所述聚酰胺树脂具有至少约70meq / Kg的胺末端。
    • 15. 发明申请
    • THERMOPLASTIC ARTICLES INCLUDING POLYHYDROXY POLYMERS
    • 包含聚羟基聚合物的热塑性制品
    • US20100028581A1
    • 2010-02-04
    • US12512311
    • 2009-07-30
    • ROBERT J. PalmerToshikazu Kobayashi
    • ROBERT J. PalmerToshikazu Kobayashi
    • B32B1/08C08G63/91
    • C08L77/06C08G69/265C08G69/36C08K5/005C08K5/053C08K5/06C08K5/13C08K5/18C08L77/00Y10T428/139
    • Disclosed is a molded or extruded thermoplastic article having high heat stability, including a thermoplastic polyamide composition including (a) a polyamide resin; (b) 0.25 to 20 weight percent of one or more polyhydroxy polymer(s) having a number average molecular weight of at least 2000; (c) 0.1 to 3 weight percent of one or more co-stabilizer(s) selected from the group consisting of secondary aryl amines, hindered amine light stabilizers, hindered phenols, and mixtures thereof; (d) 0 to less than 10 weight percent of one or more reinforcement agents; and (f) 0 to 20 weight percent of a polymeric toughener;wherein molded 4 mm test bars prepared from said polyamide composition, and exposed in an oven at an test temperature of at least 150° C. for a test period of at least 500 hours, in an atmosphere of air, and tested according to ISO 527-2/1A, have, on average, a retention of elongation at break of at least 50 percent, as compared to that of an unexposed control of identical composition and shape
    • 公开了一种具有高热稳定性的模塑或挤出热塑性制品,包括热塑性聚酰胺组合物,其包含(a)聚酰胺树脂; (b)0.25至20重量%的一种或多种数均分子量至少为2000的多羟基聚合物; (c)0.1至3重量%的选自仲芳基胺,受阻胺光稳定剂,受阻酚及其混合物的一种或多种共稳定剂; (d)0至小于10重量%的一种或多种增强剂; 和(f)0-20重量%的聚合物增韧剂; 其中由所述聚酰胺组合物制备的模制的4mm测试棒,并且在空气气氛中在至少150℃的测试温度的烘箱中暴露于至少500小时的测试时间,并根据ISO 527测试 -2 / 1A,相比于具有相同组成和形状的未曝光对照的平均,具有至少50%的断裂伸长率的保留
    • 19. 发明授权
    • Recording layer determination apparatus for determining whether recording layer of recording medium is single-layer or multi-layer
    • 用于确定记录介质的记录层是单层还是多层的记录层确定装置
    • US07145854B2
    • 2006-12-05
    • US10191982
    • 2002-07-09
    • Toshikazu Kobayashi
    • Toshikazu Kobayashi
    • G11B7/05
    • G11B19/127
    • An objective lens of an optical pickup is made to move from far position to near position with respect to DVD with constant speed, and a timer counts time taken for the movement of a focus of a laser beam between recording layers of the DVD on the basis of a focus error signal obtained from this movement. In the case of the DVD of the single-layer, since the recording layer is one-layer, and there is no interlayer, count value becomes small value. While, in the case of DVD of the multi-layer, the recording layer consists of a plurality of layers, thus one or plural-interlayer exists, therefore, count value becomes large value. Accordingly, if small count value is obtained, its DVD is discriminated as DVD of the single-layer. While, if large count value is obtained, its DVD is discriminated as DVD of the multi-layer.
    • 使光学拾取器的物镜相对于DVD以恒定速度从远位置移动到近位置,并且定时器计数基于DVD的记录层之间的激光束的焦点移动所花费的时间 从该运动获得的聚焦误差信号。 在单层的DVD的情况下,由于记录层是单层,并且没有中间层,计数值变小。 而在多层的DVD的情况下,记录层由多个层组成,因此存在一个或多个中间层,因此计数值变大。 因此,如果获得小的计数值,则将其DVD识别为单层的DVD。 而如果获得大的计数值,则其DVD被区分为多层的DVD。