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1.发明授权Method for crystallizing crystallizable polymers having a high tendency to agglomerate 有权使具有高凝聚倾向的结晶聚合物结晶的方法公开(公告)号：US08728368B2
公开(公告)日：2014-05-20
申请号：US12742714
申请日：2008-09-22
CPC分类号： C08G63/183 , B29B9/16 , B29K2067/00 , B29K2067/046 , B29K2995/0041 , C08G63/88 , C08J3/12 , C08J2367/02
摘要： The invention relates to a method for producing a semicrystalline polymer, said method comprising the following steps: producing a polymer melt from a crystallizable polymer; shaping particles and solidifying the polymer melt, the step of shaping the particles being carried out before or after solidification; cooling the particles; treating the particles to reduce their tendency to agglomerate; crystallizing the particles. The invention is characterized in that the treatment is carried out by shaking at a temperature T1 which is below the glass transition temperature of the polymer plus 10° C., i.e. T1
摘要翻译： 本发明涉及一种半结晶聚合物的制备方法，所述方法包括以下步骤：从可结晶聚合物制备聚合物熔体; 成型颗粒并固化聚合物熔体，在凝固之前或之后使颗粒成形的步骤; 冷却颗粒; 处理颗粒以减少它们的聚集倾向; 使颗粒结晶。 本发明的特征在于，通过在低于聚合物的玻璃化转变温度加10℃，即T1
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2.发明申请公开(公告)号：US20100267922A1
公开(公告)日：2010-10-21
申请号：US12742714
申请日：2008-09-22
IPC分类号： C08G63/183 , C08G69/08 , C08G64/02 , C08G63/08
CPC分类号： C08G63/183 , B29B9/16 , B29K2067/00 , B29K2067/046 , B29K2995/0041 , C08G63/88 , C08J3/12 , C08J2367/02
摘要： The invention relates to a method for producing a semicrystalline polymer, said method comprising the following steps: producing a polymer melt from a crystallizable polymer; shaping particles and solidifying the polymer melt, the step of shaping the particles being carried out before or after solidification; cooling the particles; treating the particles to reduce their tendency to agglomerate; crystallizing the particles. The invention is characterized in that the treatment is carried out by shaking at a temperature T1 which is below the glass transition temperature of the polymer plus 10° C., i.e. T1
摘要翻译： 本发明涉及一种半结晶聚合物的制备方法，所述方法包括以下步骤：从可结晶聚合物制备聚合物熔体; 成型颗粒并固化聚合物熔体，在凝固之前或之后使颗粒成形的步骤; 冷却颗粒; 处理颗粒以减少它们的聚集倾向; 使颗粒结晶。 本发明的特征在于，通过在低于聚合物的玻璃化转变温度加10℃，即T1
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公开(公告)号：US20120035342A1
公开(公告)日：2012-02-09
申请号：US13145477
申请日：2010-02-23
IPC分类号： C08G63/183 , B01J19/00
CPC分类号： C08G63/80 , B29B9/06 , B29B9/065 , B29B2009/165
摘要： The invention relates to a method and to a device for producing a thermoplastic polyester, having the following steps: a) producing polyester pre-polymer particles; b) crystallizing the polyester pre-polymer particles for producing partially crystalline polyester pre-polymer particles; c) heating the partially crystalline polyester pre-polymer particles to a suitable reaction temperature for producing heated polyester pre-polymer particles; d) reacting the heated polyester pre-polymer particles for producing polyester polymer particles having an intrinsic viscosity between 0.70 and 0.95 dl/g. The reaction in step d) takes place in at least one reactor through which the particles flow by means of gravity. The dwell time in the reactor equals between 6 and 30 hours. The particles are supplied at least to step d) at a mass flow of between 40 and 100 t/h. The present invention is characterized in that a settling rate of the particles in the reactor equals between 2 and 6 m/h.
摘要翻译： 本发明涉及一种制造热塑性聚酯的方法和装置，具有以下步骤：a）生产聚酯预聚物颗粒; b）使用于制备部分结晶的聚酯预聚物颗粒的聚酯预聚物颗粒结晶; c）将部分结晶的聚酯预聚物颗粒加热至合适的反应温度以制备加热的聚酯预聚物颗粒; d）使加热的聚酯预聚物颗粒反应，以制备特性粘度在0.70和0.95dl / g之间的聚酯聚合物颗粒。 步骤d）中的反应发生在至少一个反应器中，颗粒通过该反应器通过重力流动。 反应器中的停留时间等于6至30小时。 颗粒至少以40-100t / h的质量流量供应至步骤d）。 本发明的特征在于反应器中颗粒的沉降速率等于2-6m / h。
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