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1. 发明授权

US4919911A Method of recovering a lithium chloride 失效
标题翻译：回收氯化锂的方法
公开(公告)号：US4919911A
公开(公告)日：1990-04-24
申请号：US285031
申请日：1988-12-16
申请人： Daigo Shirota , Masao Omori , Hiroyasu Yamato , Norio Ogata
发明人： Daigo Shirota , Masao Omori , Hiroyasu Yamato , Norio Ogata
IPC分类号： C01D15/04 , C08G75/02 , C08G75/06
CPC分类号： C01D15/04 , C08G75/0281
摘要： The present invention provides a method of recovering a lithium chloride, which comprises reacting a dihalogenated aromatic compound and an alkali metal sulfide and/or alkali metal hydrogen sulfide in a polar solvent under the pressure of lithium chloride, separating a solvent insoluble component from the resultant reaction mixture to obtain a solution, and calcinating a residue obtained by removing volatile substances from the resultant solution, as well as a method of recovering a lithium chloride, which comprises reacting a dihalogenated aromatic compound and an alkali metal sulfide and/or alkali metal hydrogen sulfide in a polar solvent under the pressure of lithium chloride, separating the granular polymer ingredient from the resultant reaction mixture subjecting the liquid suspension obtained by said separation to solid-liquid separation and calcinating the residue obtained by removing volatile substances from the resultant solution component.

2. 发明授权

US4910294A Two-stage process for production of polyarylene sulfides with lithium compound 失效
标题翻译：用锂化合物生产聚亚芳基硫化物的两阶段工艺
公开(公告)号：US4910294A
公开(公告)日：1990-03-20
申请号：US208605
申请日：1988-06-20
申请人： Norio Ogata , Hiroyasu Yamato
发明人： Norio Ogata , Hiroyasu Yamato
IPC分类号： C08G75/02
CPC分类号： C08G75/0254
摘要： Disclosed is a process for producing stably a polyarylene sulfide of high purity and high molecular weight by contacting a dihalogeno aromatic compound with an alkali metal sulfide in a polar solvent which comprises, as a first stage, reacting a dihalogeno aromatic compound with an alkali metal sulfide in a polar solvent in the presence of a lithium compound and in the presence of substantially no water at 200.degree.-270.degree. C. with concentration of remaining alkali metal sulfide being 5.5 g/l-polar solvent or less in terms of sulfur; then adding water in an amount of 1.0-10 mols per 1 mol of said alkali metal sulfide; and, thereafter, as a second stage, carrying out the reaction at 220.degree.-280.degree. C. Preferred dihalogeno aromatic compound is p-dichlorobenzene, preferred alkali metal sulfide is sodium sulfide and/or lithium sulfide and preferred lithium compound is lithium chloride and/or lithium sulfide.
摘要翻译：本发明公开了一种通过使二卤代芳族化合物与碱金属硫化物在极性溶剂中接触而稳定地生产高纯度和高分子量的聚芳硫醚的方法，该极性溶剂包括作为第一阶段使二卤代芳族化合物与碱金属硫化物在极性溶剂中，在锂化合物的存在下，在200〜270℃，基本上不存在水的情况下，残留的碱金属硫化物的浓度为5.5g / l-极性溶剂或硫以下; 然后加入每1摩尔所述碱金属硫化物1.0-10摩尔量的水; 然后作为第二阶段，在220-280℃进行反应。优选的二卤代芳族化合物是对二氯苯，优选的碱金属硫化物是硫化钠和/或硫化锂，优选的锂化合物是氯化锂， /或硫化锂。

3. 发明授权

US4810773A Method for producing polyarylene sulfide with lithium halide catalyst 失效
标题翻译：用卤化锂催化剂生产聚芳硫醚的方法
公开(公告)号：US4810773A
公开(公告)日：1989-03-07
申请号：US894369
申请日：1986-08-05
申请人： Norio Ogata , Hiroyasu Yamato , Minoru Senga
发明人： Norio Ogata , Hiroyasu Yamato , Minoru Senga
IPC分类号： C08G75/02 , C08G75/16
CPC分类号： C08G75/0254 , C08G75/0222 , C08G75/0236
摘要： Disclosed is a method for producing a polyarylene sulfide comprising contacting a dihalogenated aromatic compound with an alkali metal sulfide in a polar solvent, wherein a halogenated aromatic compound containing active hydrogen is present in the reaction system.
摘要翻译：公开了一种聚芳硫醚的制造方法，其特征在于，在极性溶剂中使二卤代芳族化合物与碱金属硫化物接触，其中含有活性氢的卤代芳香族化合物存在于反应体系中。

4. 发明授权

US5460868A Method for using molding 失效
标题翻译：使用成型方法
公开(公告)号：US5460868A
公开(公告)日：1995-10-24
申请号：US937417
申请日：1992-08-31
申请人： Hiroyasu Yamato , Masami Mihara , Atsushi Fujii
发明人： Hiroyasu Yamato , Masami Mihara , Atsushi Fujii
IPC分类号： B29C51/00 , B29C51/14 , B32B27/08 , F25D23/06 , B32B27/30 , B32B15/08 , C08F279/04
CPC分类号： F25D23/066 , B29C51/002 , B32B27/08 , B29C51/14 , B29K2025/00 , B29K2995/0067 , Y10T428/24942 , Y10T428/24967 , Y10T428/261 , Y10T428/31504 , Y10T428/3154 , Y10T428/31544 , Y10T428/31917 , Y10T428/31924
摘要： There are disclosed a method for using a molding which comprises using a molding produced by thermoforming a sheet for thermoforming comprising a styrenic polymer having a high degree of syndiotactic configuration or a composition thereof in an atmosphere containing a chlorofluorohydrocarbon and also a method for using a molding which comprises using a molding produced by thermoforming a laminate comprising at least one surface layer of the above styrenic polymer or a composition thereof and an other layer of a thermoplastic resin or a composition thereof in an atmosphere the same as above-mentioned.The moldings to be employed in the present invention are excellent in chemical resistance, solvent resistance and resistance against CFC and HCFC, and the sheet for thermoforming and the laminate are useful as the starting raw materials for the aforesaid molding.According to the present invention, the moldings can be used without any problem as the inner liners of refrigerators (including internals inside door) in an atmosphere of chlorofluorohydrocarbon or in contact with heat-insulating material such as polyurethane foam, and the scrap resins at the time of molding can be recovered and readily reused.
摘要翻译：公开了一种使用成型体的方法，该方法包括使用通过在包含氯氟烃的气氛中包含具有高程度间同立构构型的苯乙烯类聚合物或其组合物的热成型片材进行热成型制备的成型体，以及使用成型法其包括在与上述相同的气氛中使用通过热成型包含上述苯乙烯类聚合物的至少一个表面层或其组合物和另一层热塑性树脂或其组合物的层压制成的模制品。在本发明中使用的模制品具有优异的耐化学性，耐溶剂性和耐CFC和HCFC的性能，并且用于热成型的片材和层压材料可用作上述成型的起始原料。根据本发明，可以毫无问题地使用模制品作为氯氟烃气氛中的冰箱（包括门内的内部）的内衬或者与聚氨酯泡沫等绝热材料接触，并且在可以回收成型的时间并容易地重复使用。

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