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公开(公告)号:US4568767A
公开(公告)日:1986-02-04
申请号:US333942
申请日:1981-12-23
IPC分类号: B01J29/06 , B01J29/00 , B01J29/08 , B01J29/70 , C01B39/22 , C01B39/24 , C01B39/32 , C07B61/00 , C07C20060101 , C07C49/10 , C07C67/00 , C07C313/00 , C07C319/14 , C07C319/16 , C07C321/14 , C07C149/10
CPC分类号: C07C321/00
摘要: A process is provided for the preparation of dialkyl sulfides by reacting alkenes and hydrogen sulfide at elevated temperature in the presence of a Type X, Y or L zeolite containing from about 5 to 15 percent by weight of alkali metal, expresed as Me.sub.2 O (where Me is an alkali metal).
摘要翻译: 提供了一种通过使烯烃和硫化氢在升高的温度下,在含有约5至15重量%碱金属的X,Y或L型沸石的存在下反应来制备二烷基硫化物的方法,其表示为Me 2 O(其中Me 是碱金属)。
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公开(公告)号:US4302605A
公开(公告)日:1981-11-24
申请号:US141707
申请日:1980-04-18
IPC分类号: B01J29/00 , B01J29/08 , C07B61/00 , C07C67/00 , C07C313/00 , C07C319/14 , C07C321/14 , C07C149/10
CPC分类号: C07C319/14
摘要: A process is provided for preparing dialkyl sulfides by reacting alkanols and hydrogen sulfide in the presence of a zeolite catalyst that contains a reduced amount of alkali metal cations.
摘要翻译: 提供了在含有减少量的碱金属阳离子的沸石催化剂存在下,通过使链烷醇和硫化氢反应来制备二烷基硫化物的方法。
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公开(公告)号:US5026915A
公开(公告)日:1991-06-25
申请号:US496044
申请日:1990-03-16
IPC分类号: C07C319/24 , C07C321/14
CPC分类号: C07C319/24
摘要: A continuous process is disclosed for preparing dialkyl disulfides by reacting an alkyl alcohol and hydrogen sulfide in one reaction zone, and then passing the reactor effluent into a second reaction zone where it is reacted with elemental sulfur in the presence of a solid, particulate catalyst.
摘要翻译: 公开了通过在一个反应区中使烷基醇和硫化氢反应来制备二烷基二硫化物的连续方法,然后使反应器流出物进入第二反应区,在第二反应区中,其在固体颗粒催化剂存在下与元素硫反应。
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4.
公开(公告)号:US4937385A
公开(公告)日:1990-06-26
申请号:US195246
申请日:1988-05-18
IPC分类号: B01J29/08 , C07B61/00 , C07C319/04 , C07C319/16 , C07C319/24 , C07C321/04 , C07C321/14
CPC分类号: C07C319/16
摘要: A process is disclosed for continuously preparing dialkyl disulfides and dialkyl polysulfides by reacting at elevated temperature and in the presence of a solid, particulate catalyst an alkene and hydrogen sulfide in a first reaction zone, and then passing the reactor effluent into a second reaction zone where it is reacted at elevated temperature with molten, elemental sulfur in the presence of a solid, particulate catalyst.
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