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    • 5. 发明授权
    • Hydrogenated styrene polymer, process for producing the same, and molded object obtained therefrom
    • 氢化苯乙烯聚合物,其制造方法和由其获得的成型体
    • US06806322B2
    • 2004-10-19
    • US10466278
    • 2003-07-15
    • Kiyonari HashizumeNobuaki KidoShunichi MatsumuraTakeshi Sasaki
    • Kiyonari HashizumeNobuaki KidoShunichi MatsumuraTakeshi Sasaki
    • C08F804
    • C08F8/04G11B7/2533Y10S525/94C08F12/08C08F297/04
    • The present invention relates to a hydrogenated styrene polymer that has excellent transparency, can be used suitably for an optical application such as an optical disk substrate, has stability and transparency in a hot and humid environment, and has excellent heat resistance; and a process for producing same; etc. The hydrogenated styrene polymer of the present invention has a hydrogenated polymerized styrene unit content of at least 70 wt %, a content of fine particulate foreign matter having a particle size of 0.2 &mgr;m or more and less than 0.5 &mgr;m of at most 1×106 per g of the hydrogenated styrene polymer, and a phosphorus atom content of at most 0.01 parts by weight in 100 parts by weight of the hydrogenated styrene polymer. Furthermore, the process for producing a hydrogenated styrene polymer of the present invention includes steps of filtering, with a filter having a pore size of 0.3 &mgr;m or less, a hydrogenated styrene polymer having a hydrogenated polymerized styrene unit content of at least 70 wt %, at a temperature at which the solution viscosity thereof is at most 10 Pa·sec (100 poise) at a shear rate of 1 (1/s), and then removing a solvent from the filtrate thus obtained.
    • 本发明涉及具有优异透明性的氢化苯乙烯聚合物,可适用于光盘基板等光学应用,在热湿环境下具有稳定性和透明性,耐热性优异; 及其制造方法。 本发明的氢化苯乙烯聚合物具有至少70重量%的氢化聚合苯乙烯单元含量,粒径为0.2μm以上且小于0.5μm的微粒异物的含量至多为1×10 6, 6g / g氢化苯乙烯聚合物,磷原子含量在100重量份氢化苯乙烯聚合物中至多为0.01重量份。 此外,本发明的氢化苯乙烯聚合物的制造方法包括使用孔径为0.3μm以下的过滤器过滤氢化聚合苯乙烯单元含量为70重量%以上的氢化苯乙烯聚合物, 在1(1 / s)的剪切速度下,溶液粘度为10Pa·sec(100泊)以下的温度下,然后从由此得到的滤液中除去溶剂。
    • 7. 发明申请
    • Thermoplastic resin composition and formed article
    • 热塑性树脂组合物和成型制品
    • US20050228073A1
    • 2005-10-13
    • US10513380
    • 2003-08-07
    • Rei NishioNobuaki KidoShunichi Matsumura
    • Rei NishioNobuaki KidoShunichi Matsumura
    • C08K7/08C08K3/18C08K9/00
    • C08K7/08C08K2003/2227C08K2201/016
    • There is provided a polyester composition which can be suitably used as a molding material for fibers, films or resins having an enhanced elastic modulus and softening points. The thermoplastic resin composition comprises 100 parts by weight of a thermoplastic resin (A) and 0.01-10 parts by weight of a fibrous aluminum oxide filler (B) composed of a compound represented by the following formula (I): AlxOyHz  (I) (where x, y and z are numbers of 0-3, and x=(2y−z)/3 is satisfied), wherein the primary particles of the fibrous aluminum oxide filler have a mean fiber length of 10-1000 nm, a mean fiber diameter of 0.5-7 nm and a mean aspect ratio of 2000-5. The fibrous aluminum oxide filler (B) is preferably surface-coated with a silane coupling agent.
    • 提供了可以适合用作具有增强的弹性模量和软化点的纤维,膜或树脂的模塑材料的聚酯组合物。 热塑性树脂组合物包含100重量份的热塑性树脂(A)和0.01-10重量份由下式(I)表示的化合物组成的纤维状氧化铝填料(B):< -formulae description =“In-line Formulas”end =“lead”?> -line-formula description =“In-line Formulas”end =“tail”?>(其中x,y和z是0-3的数字,x =(2y-z)/ 3),其中, 纤维状氧化铝填料的颗粒的平均纤维长度为10-1000nm,平均纤维直径为0.5-7nm,平均长径比为2000-5。 纤维状氧化铝填料(B)优选用硅烷偶联剂表面涂覆。