专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US06429280B1 Process for preparing polyhydroxycarboxylic acid 有权
标题翻译：制备聚羟基羧酸的方法
公开(公告)号：US06429280B1
公开(公告)日：2002-08-06
申请号：US09763242
申请日：2001-02-20
申请人： Shouji Hiraoka , Hitoshi Tsuboi , Masayuki Sakai
发明人： Shouji Hiraoka , Hitoshi Tsuboi , Masayuki Sakai
IPC分类号： C08G6308
CPC分类号： C08G63/80 , B29B9/12 , B29B9/16 , B29K2995/0041 , C08G63/06 , C08G63/78
摘要： A process for preparing a polyhydroxycarboxylic acid having a weight average molecular weight of 50,000 to 1,000,000, which comprises a crystallizing step comprising (A) a step of heating pellets of a polyhydroxycarboxylic acid having a weight average molecular weight of 2,000 to 100,000 under stirring to a temperature from glass transition point or higher to a melting point or lower and heating until a defined result is attained, and (B) a step of heating the polyhydroxycarboxylic acid to a temperature of solid phase polycondensation reaction temperature, and a solid phase polycondensation reaction step of reacting the crystallized polyhydroxycarboxylic acid at an endothermic start temperature or lower of an endothermic peak as recognized upon temperature elevation analysis of the crystallized polyhydroxycarboxylic acid by using a differential scanning calorimeter.
摘要翻译：一种制备重均分子量为50,000〜1,000,000的聚羟基羧酸的方法，其包括结晶步骤，其包括（A）在搅拌下将重均分子量为2,000至100,000的聚羟基羧酸的颗粒加热至温度从玻璃化转变点以上到熔点以下，加热直到达到规定的结果，（B）将聚羟基羧酸加热到固相缩聚反应温度的步骤，和固相缩聚反应步骤使结晶的聚羟基羧酸在吸热峰的吸热开始温度或更低的温度下反应，通过使用差示扫描量热计对结晶的聚羟基羧酸进行升温分析。

2. 发明授权

US07300998B2 Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins 有权
标题翻译：用于聚酯生产的聚酯树脂和催化剂，用催化剂生产聚酯树脂的方法，用催化剂获得的聚酯树脂和包含聚酯树脂的中空成型容器
公开(公告)号：US07300998B2
公开(公告)日：2007-11-27
申请号：US10504529
申请日：2003-02-13
申请人： Hideshi Hori , Fujito Ehara , Shouji Hiraoka , Ken Maeda , Tomohiro Suzuki , Nobumasa Mukai
发明人： Hideshi Hori , Fujito Ehara , Shouji Hiraoka , Ken Maeda , Tomohiro Suzuki , Nobumasa Mukai
IPC分类号： C08G63/02
CPC分类号： C08G63/82 , C08G63/80 , C08G63/83 , C08G63/84 , C08G63/85 , Y10T428/1352
摘要： The object of the present invention is to provide a high quality polyester resin having high productivity, stability and safety, a catalyst for polyester production with high catalytic activity, a method for producing the polyester resin with the catalyst, a polyester resin obtained with the catalyst, and a hollow molded container having the polyester resin. The polyester resin of the present invention satisfies specific parameters regarding polymerizability, stability, and metal content. The catalyst for polyester production satisfies specific parameters. The catalyst particularly preferably has: (a) a solid titanium-containing compound which has a maximum solubility in ethylene glycol of 1,000 ppm or more in terms of converted titanium amount when dissolved in ethylene glycol with heating at 150° C., and which has titanium, oxygen, carbon, and hydrogen, and optionally an alkali metal, and has a Ti—O—C bond; and (b) an alkali metal compound, the molar ratio of the alkali metal atoms to the titanium atom in the catalyst being in the range of 20/1 to 0.1/1.
摘要翻译：本发明的目的是提供一种具有高生产率，稳定性和安全性的高品质聚酯树脂，具有高催化活性的聚酯生产催化剂，用催化剂生产聚酯树脂的方法，用催化剂得到的聚酯树脂和具有聚酯树脂的中空成型容器。本发明的聚酯树脂满足关于聚合性，稳定性和金属含量的具体参数。聚酯生产催化剂满足具体参数。催化剂特别优选具有：（a）当在150℃下加热溶解在乙二醇中时，以乙二醇的最大溶解度为1000ppm以上的钛的固体含量的化合物，钛，氧，碳和氢，以及任选的碱金属，并具有Ti-OC键; 和（b）碱金属化合物，催化剂中碱金属原子与钛原子的摩尔比在20/1至0.1 / 1的范围内。

3. 发明申请

US20050107576A1 Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins 有权
标题翻译：用于聚酯生产的聚酯树脂和催化剂，用催化剂生产聚酯树脂的方法，用催化剂获得的聚酯树脂和包含聚酯树脂的中空成型容器
公开(公告)号：US20050107576A1
公开(公告)日：2005-05-19
申请号：US10504529
申请日：2003-02-13
申请人： Hideshi Hori , Fujito Ehara , Shouji Hiraoka , Ken Maeda , Tomohiro Suzuki , Nobumasa Mukai
发明人： Hideshi Hori , Fujito Ehara , Shouji Hiraoka , Ken Maeda , Tomohiro Suzuki , Nobumasa Mukai
IPC分类号： C08G63/80 , C08G63/82 , C08G63/83 , C08G63/84 , C08G63/85 , C08G63/78
CPC分类号： C08G63/82 , C08G63/80 , C08G63/83 , C08G63/84 , C08G63/85 , Y10T428/1352
摘要： The object of the present invention is to provide a high quality polyester resin having high productivity, stability and safety, a catalyst for polyester production with high catalytic activity, a method for producing the polyester resin with the catalyst, a polyester resin obtained with the catalyst, and a hollow molded container comprising the polyester resin. The polyester resin of the present invention satisfies specific parameters regarding polymerizability, stability, and metal content. The catalyst for polyester production satisfies specific parameters. The catalyst particularly preferably comprises: (a) a solid titanium-containing compound which has a maximum solubility in ethylene glycol of 1,000 ppm or more in terms of converted titanium amount when dissolved in ethylene glycol with heating at 150° C., and which comprises titanium, oxygen, carbon, and hydrogen, and optionally alkali metal, and has a Ti—O—C bond; and (b) an alkali metal compound, the molar ratio of the alkali metal atoms to the titanium atom in the catalyst being in the range of 20/1 to 0.1/1.
摘要翻译：本发明的目的是提供一种具有高生产率，稳定性和安全性的高品质聚酯树脂，具有高催化活性的聚酯生产催化剂，用催化剂生产聚酯树脂的方法，用催化剂得到的聚酯树脂和包含聚酯树脂的中空成型容器。本发明的聚酯树脂满足关于聚合性，稳定性和金属含量的具体参数。聚酯生产催化剂满足具体参数。催化剂特别优选包括：（a）当在150℃下加热溶解在乙二醇中时，以乙二醇的最大溶解度为1000ppm以上的固体含钛化合物以转化的钛量计，其包含钛，氧，碳和氢，以及任选的碱金属，并具有Ti-OC键; 和（b）碱金属化合物，催化剂中碱金属原子与钛原子的摩尔比在20/1至0.1 / 1的范围内。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式