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公开(公告)号:EP2308835A1
公开(公告)日:2011-04-13
申请号:EP11000009.8
申请日:2006-03-08
发明人: Sasaki, Masaaki , Naito, Takao , Hirata, Fumiaki , Saruwatari, Masato , Takahashi, Hirofumi , Maeba, Kouji , Imaizumi, Tsugio , Saeki, Takuya , Yamaguchi, Takashi , Terada, Kouichirou
IPC分类号: C07C263/10 , C07C265/14
CPC分类号: C07C263/10 , B01J8/0453 , B01J2208/00256 , B01J2208/00265 , B01J2208/00274 , B01J2208/00283 , B01J2208/00646 , B01J2208/00716 , B01J2219/0004 , B01J2219/00103 , B01J2219/00105 , B01J2219/00108 , B01J2219/0011 , C07C265/14
摘要: A polyisocyanate production method comprises: (a) nitration of an aromatic raw material with H 2 SO 4 /HNO 3 ; (b) reduction of the nitro groups to produce a polyamine; (c) production of COCl 2 from CO and Cl 2 ; (d) reaction of the polyamine and the COCl 2 to produce a polyisocyanate and HCI; (e) oxidation of the HCI to produce Cl 2 and H 2 O; and (f) dehydration of the CL 2 /H 2 O using H 2 SO 4 , which is reused in step (a). The Cl 2 may be used in step (c).
摘要翻译: 一种多异氰酸酯生产方法包括:(a)用H 2 SO 4 / HNO 3硝化芳族原料; (b)还原硝基以产生多胺; (c)由CO和Cl 2生产COCl; (d)多胺和COCl 2反应生成多异氰酸酯和HCl; (e)HCl的氧化以产生Cl 2和H 2 O; 和(f)使用在步骤(a)中重新使用的H 2 SO 4使CL 2 / H 2 O脱水。 步骤(c)中可以使用Cl2。
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公开(公告)号:EP2308836A1
公开(公告)日:2011-04-13
申请号:EP11000010.6
申请日:2006-03-08
发明人: Sasaki, Masaaki , Naito, Takao , Hirata, Fumiaki , Saruwatari, Masato , Takahashi, Hirofumi , Maeba, Kouji , Imaizumi, Tsugio , Saeki, Takuya , Yamaguchi, Takashi , Terada, Kouichirou
IPC分类号: C07C263/10 , C07C265/14
CPC分类号: C07C263/10 , B01J8/0453 , B01J2208/00256 , B01J2208/00265 , B01J2208/00274 , B01J2208/00283 , B01J2208/00646 , B01J2208/00716 , B01J2219/0004 , B01J2219/00103 , B01J2219/00105 , B01J2219/00108 , B01J2219/0011 , C07C265/14
摘要: A polyisocyanate production process uses the steps:
(a) C1 2 + CO → COCl 2 ; (b) COCl 2 (from (a)) + polyamine → polyisocyanate + HCl; (c) HCl (from (b)) is oxidised to Cl 2 which is used in (a). In a start-up operation, the steps (a), (b) and (c) are started. In a load-up operation, the amount of product produced in one of the steps (a) to (c) is selectively increased, then the amounts produced in the other two steps are increased. This is repeated.摘要翻译: 多异氰酸酯生产方法使用以下步骤:(a)C12 + CO→COCl2; (b)COCl 2(来自(a))+聚胺→多异氰酸酯+ HCl; (c)HCl(来自(b))被氧化成在(a)中使用的Cl 2。 在启动操作中,步骤(a),(b)和(c)开始。 在装载操作中,在步骤(a)至(c)之一中产生的产品的量被选择性地增加,然后在其他两个步骤中产生的量增加。 这是重复的。
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公开(公告)号:EP2308835B1
公开(公告)日:2012-06-13
申请号:EP11000009.8
申请日:2006-03-08
发明人: Sasaki, Masaaki , Naito, Takao , Hirata, Fumiaki , Saruwatari, Masato , Takahashi, Hirofumi , Maeba, Kouji , Imaizumi, Tsugio , Saeki, Takuya , Yamaguchi, Takashi , Terada, Kouichirou
IPC分类号: C07C263/10 , C07C265/14
CPC分类号: C07C263/10 , B01J8/0453 , B01J2208/00256 , B01J2208/00265 , B01J2208/00274 , B01J2208/00283 , B01J2208/00646 , B01J2208/00716 , B01J2219/0004 , B01J2219/00103 , B01J2219/00105 , B01J2219/00108 , B01J2219/0011 , C07C265/14
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