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1. 发明授权

US06759498B2 Process for producing styrene resin reduced in content of low-molecular ingredient 失效
标题翻译：降低低分子成分含量的苯乙烯树脂的制造方法
公开(公告)号：US06759498B2
公开(公告)日：2004-07-06
申请号：US10275328
申请日：2002-11-08
申请人： Takeshi Ikematsu , Kiyoshi Kawakami , Hironori Suezawa , Hiroshi Shirai
发明人： Takeshi Ikematsu , Kiyoshi Kawakami , Hironori Suezawa , Hiroshi Shirai
IPC分类号： C08F1208
CPC分类号： C08F12/08 , C08F2/06
摘要： A process for producing a styrenic resin with a small content of low molecular weight components, comprising a continuous anionic polymerization process wherein a raw material system having the following composition (A) is continuously fed, either collectively or in a divided manner, from one end of a reactor tank R1 having a back mixing flow and the product system is continuously discharged from the other end of the reactor tank R1, the internal temperature of the reactor tank R1 being controlled to a range of 40-120° C., the average proportion of styrene monomers to the sum total of the styrene monomers, hydrocarbon solvent and styrenic polymers present in the reactor tank R1 being controlled to less than 10 wt. %, and the resulting styrenic polymer solution being devolatilized and dried: (A) Styrene monomer 1.0 kg Hydrocarbon solvent 0.1-3 kg Organolithium compound 0.5-200 mmoles.
摘要翻译：一种生产低分子量组分含量少的苯乙烯树脂的方法，包括连续的阴离子聚合方法，其中具有下列组成（A）的原料体系从一端或一起分开连续进料具有反混合流的反应器罐R1和产物系统从反应槽R1的另一端连续排出，反应槽R1的内部温度被控制在40-120℃的范围内，平均值苯乙烯单体的比例相对于存在于反应器罐R1中的苯乙烯单体，烃溶剂和苯乙烯聚合物的总和控制在小于10wt。％，所得苯乙烯聚合物溶液脱挥发和干燥：

2. 发明授权

US5039749A Thermoplastic acrylic resin composition 失效
标题翻译：热塑性丙烯酸树脂组合物
公开(公告)号：US5039749A
公开(公告)日：1991-08-13
申请号：US437905
申请日：1989-11-17
申请人： Junji Seki , Hironori Suezawa
发明人： Junji Seki , Hironori Suezawa
IPC分类号： C08L33/12 , C08L51/00
CPC分类号： C08L33/12 , C08L2205/18 , C08L51/00
摘要： A thermoplastic acrylic composition comprising an acrylic particulate composite (B), which could be prepared by a sequential multi-stage polymerization method, and a thermoplastic acrylic resin (A); said composition having a characteristic morphology which is revealed under the observation of a transmission type electron microscope on a sliced specimen stained with a 1% ruthenic acid solution. Said composition shows well-balanced properties and has excellent impact resistance, lowered temperature dependency of haze, good transparency and good weatherability.
摘要翻译：一种热塑性丙烯酸组合物，其包含可通过连续多级聚合法制备的丙烯酸类颗粒复合材料（B）和热塑性丙烯酸树脂（A）; 所述组合物具有在用1％钌酸溶液染色的切片样品上透射型电子显微镜观察下显示的特征形态。所述组合物显示出良好平衡的性能并且具有优异的抗冲击性，降低了雾度的温度依赖性，良好的透明性和良好的耐候性。

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