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    • 47. 发明授权
    • Image information electrostatic recording device
    • 图像信息静电记录装置
    • US4233612A
    • 1980-11-11
    • US901788
    • 1978-05-01
    • Kazuhiro HirayamaYasushi SatoTaisuke TokiwaKazuo KawakuboFujio IwatateHisashi Nakatsui
    • Kazuhiro HirayamaYasushi SatoTaisuke TokiwaKazuo KawakuboFujio IwatateHisashi Nakatsui
    • G06F3/00G06K15/12G03G15/00
    • G06K15/1223G06F3/002G06K15/1204G06K15/1228G06K15/1257G06K15/1261G06K15/1271
    • An image information device of a construction wherein there are provided a laser oscillator; a modulator capable of modulating a laser beam oscillated from the laser oscillator by an external signal; a photosensitive body consisting essentially of an insulating layer, a photoconductive layer, and an electrically conductive substrate; a principal scanning means such as a polygonal revolving mirror, galvano-mirror, etc. to cause the modulated laser beam to scan the photosensitive body in the principal scanning direction; an optical system to cause the laser beam to focus on the photosensitive body; a position detection means to establish a commencing position of the scanning laser beam on the photosensitive body; means to input an image signal into the modulator in synchronism with the principal scanning means by an output from the position detection means; means to electrically charge the photosensitive body; corona discharge means to impress on the photosensitive body an A.C. corona discharge or a D.C. corona discharge having an opposite polarity to the above-mentioned electric charge simultaneously with, or immediately before, or immediately after, the scanning of the photosensitive body with the laser beam; means to effect overall exposure of the photosensitive body; means to develop an electrostatic latent image formed by the abovementioned means; means to transfer the latent image onto an image transfer material; and means to clean the photosensitive body.
    • 一种构造的图像信息装置,其中设置有激光振荡器; 调制器,能够通过外部信号调制从激光振荡器振荡的激光束; 基本上由绝缘层,光电导层和导电基底组成的感光体; 诸如多边形旋转镜,电流镜等的主要扫描装置,以使调制的激光束沿主扫描方向扫描感光体; 使激光束聚焦在感光体上的光学系统; 位置检测装置,用于建立扫描激光束在感光体上的开始位置; 用于通过所述位置检测装置的输出将图像信号与主扫描装置同步地输入调制器的装置; 用于对感光体充电的装置; 电晕放电意味着在感光体上与激光束的感光体的扫描同时或紧接在之前或之后立即将感光体上的交流电晕放电或与上述电荷极性相反极性的直流电晕放电 ; 意味着实现感光体的全面曝光; 用于显影由上述装置形成的静电潜像的装置; 将潜像转印到图像转印材料上的装置; 以及清洁感光体的装置。
    • 48. 发明授权
    • Impact-resistant styrene resin composition
    • 耐冲击苯乙烯树脂组合物
    • US4195136A
    • 1980-03-25
    • US945320
    • 1978-09-25
    • Yasushi SatoToshio IbaragiMasanobu IshiharaMakoto Honda
    • Yasushi SatoToshio IbaragiMasanobu IshiharaMakoto Honda
    • C08L53/02C08L51/04
    • C08L53/02
    • The disclosure relates to a resin composition comprising (A) 75-98 parts by weight of a block copolymer mixture of vinyl aromatic hydrocarbon and conjugated diolefin and (B) 25-2 parts by weight of an impact-resistant styrene resin, characterized in that said copolymer mixture (A) is a mixture of a copolymer (1) and a copolymer (2) (the weight ratio of the copolymer (1) to the copolymer (2) is 1.5 or more), the copolymer (1) being a copolymer which contains 55-85% by weight of vinyl aromatic hydrocarbon, consists of at least one vinyl aromatic hydrocarbon polymer block and at least one conjugated diene polymer block, and has a number average molecular weight of about 10,000 to about 500,000 and the copolymer (2) being a homopolymer of vinyl aromatic hydrocarbon or a copolymer which consists of at least one vinyl aromatic hydrocarbon polymer block and at least one conjugated diene polymer block, the vinyl aromatic hydrocarbon content of said copolymer being 75% by weight or more and at least 5% by weight higher than that of the copolymer (1), said homopolymer or copolymer having a number average molecular weight of about 500 to about 130,000, both of said copolymer (1) and said copolymer (2) being obtained by polymerization in an inert organic solvent with an organolithium compound as a catalyst; and that said impact-resistant styrene resin (B) is a polymer obtained by graft-polymerizing 3-12% by weight of a rubbery conjugated diene polymer and 97-88% by weight of a vinyl aromatic hydrocarbon. The said resin composition is far superior to conventional resin compositions of similar type in balance between impact resistance and transparency.
    • 本公开涉及一种树脂组合物,其包含(A)75-98重量份的乙烯基芳族烃和共轭二烯烃的嵌段共聚物混合物和(B)25-2重量份的耐冲击苯乙烯树脂,其特征在于 所述共聚物混合物(A)是共聚物(1)和共聚物(2)的混合物(共聚物(1)与共聚物(2)的重量比为1.5以上),共聚物(1)为 共聚物,其含有55-85重量%的乙烯基芳烃,由至少一个乙烯基芳族烃聚合物嵌段和至少一个共轭二烯聚合物嵌段组成,数均分子量为约10,000至约500,000,共聚物( 2)作为乙烯基芳族烃的均聚物或由至少一种乙烯基芳族烃聚合物嵌段和至少一种共轭二烯聚合物嵌段组成的共聚物,所述共聚物的乙烯基芳烃含量为75重量%以上, 所述共聚物(1)和所述共聚物(2)的所述均聚物或共聚物的数均分子量为约500至约130,000,所述共聚物(1)和所述共聚物(2)的至少5重量%通过聚合 惰性有机溶剂,有机锂化合物作为催化剂; 并且所述耐冲击苯乙烯树脂(B)是通过将3-12重量%的橡胶状共轭二烯聚合物和97-88重量%的乙烯基芳族烃接枝聚合而获得的聚合物。 所述树脂组合物远优于在耐冲击性和透明度之间平衡的类似类型的常规树脂组合物。