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公开(公告)号：US4650899A
公开(公告)日：1987-03-17
申请号：US603964
申请日：1984-04-26
IPC分类号： C07C265/14 , C07C67/00 , C07C241/00 , C07C263/10 , C07C265/12 , C08G18/76 , C07C119/048
CPC分类号： C07C265/14 , C08G18/7671
摘要： A liquid composition comprising a mixture of isomers of essentially diisocyanates having the diphenylmethane structure, the distribution by weight of isomers in the composition for each 100 parts by weight of the composition being:32 to 55% of the 4,4' isomer,30 to 45% of the 2,4' isomer,5 to 12% of the 3,4' isomer,4 to 10% of the 2,2' isomer, and2 to 5% of the 2,3' isomer;and the method of making the composition by first reacting a benzyl halide with benzene, followed by nitration, hydrogenation, and phosgenation.
摘要翻译： 一种液体组合物，其包含具有二苯基甲烷结构的基本上二异氰酸酯的异构体混合物，组合物中异构体的重量分别为每100重量份组合物为：32-55％的4,4'异构体，30至 2,4'异构体的45％，3,4'异构体的5〜12％，2,2'异构体的4〜10％，2,3'异构体的2〜5％。 以及首先使苄基卤与苯反应，然后进行硝化，氢化和光气化来制备组合物的方法。
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2.发明授权Low melting point diphenylethane diisocyanate mixtures, method of making the same, and polyurethanes made therefrom 失效低熔点二苯基乙烷二异氰酸酯混合物，其制备方法和由其制成的聚氨酯
公开(公告)号：US4595744A
公开(公告)日：1986-06-17
申请号：US679571
申请日：1984-12-07
申请人： Jacques Kervennal , Henri Mathais
发明人： Jacques Kervennal , Henri Mathais
IPC分类号： C08G18/00 , C07C67/00 , C07C241/00 , C07C263/10 , C07C265/12 , C07C265/14 , C08G18/76 , C08L75/04
CPC分类号： C07C265/14 , C08G18/7671
摘要： Low melting point compositions, comprising a mixture of diisocyanate isomers having the diphenylethane structure, and containing by weight about:35 to 55% of 2,4' isomer,15 to 40% of 4,4' isomer,10 to 25% of 2,2' isomer,3 to 10% of 3,4' isomer, and3 to 8% of 2,3' isomer;to the method of making such compositions by the nitration of aromatic diphenylethane rings, followed by a hydrogenation and phosgenation; and polyurethanes formed utilizing such compositions.
摘要翻译： 低熔点组合物，其包含具有二苯基乙烷结构的二异氰酸酯异构体的混合物，并含有约35-55％的2,4'异构体，15-40％的4,4'异构体，10-25％的2 ，2'异构体，3至10％的3,4'异构体和3至8％的2,3'异构体; 涉及通过硝化芳族二苯基乙烷环制备这种组合物的方法，随后进行氢化和光气化; 和使用这种组合物形成的聚氨酯。
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公开(公告)号：US5849957A
公开(公告)日：1998-12-15
申请号：US808117
申请日：1997-02-28
申请人： Remy Teissier , Jacques Kervennal
发明人： Remy Teissier , Jacques Kervennal
IPC分类号： B01J21/10 , C07B61/00 , C07C45/74 , C07C49/603 , C07C45/45
摘要： The present invention relates to a process for obtaining isophorone from acetone, characterized in that the operation is carried out (i) in liquid phase in the presence of a magnesium aluminum double oxide of formula Mg.sub.1-x Al.sub.x O.sub.1+x or (ii) either in gaseous or liquid phase in the presence of a catalyst of general formula (I): �(Mg.sup.2+).sub.1-x (Al.sup.3+).sub.x (OH.sup.-).sub.2 !.sup.x+ �(OH.sup.-).sub.x !.sup.x- (H.sub.2 O).sub.n (I) with 0.20.ltoreq.x.ltoreq.0.33 and n
摘要翻译： 本发明涉及一种从丙酮获得异佛尔酮的方法，其特征在于：（i）在式Mg1-xAlxO1 + x的镁铝双氧化物存在下，在液相中进行操作，或（ii）气态 （I）：[（Mg2 +）1-x（Al3 +）x（OH-）2] x + [（OH-）x] x-（H2O）n（I））的催化剂存在下， 其中0.20≤x≤0.33且n <1。
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公开(公告)号：US07829634B2
公开(公告)日：2010-11-09
申请号：US11575103
申请日：2005-09-16
IPC分类号： C08F4/00
CPC分类号： C08K5/0008 , C08F8/30 , C08L21/00
摘要： The invention relates to scorch prevention and, more specifically, to a composition which comprises a nitroxide and at least one organic peroxide and which can be used to delay scorching prior to crosslinking of thermoplastic compositions and/or elastomers. The invention also relates to a crosslinkable composition and to a crosslinking method.
摘要翻译： 本发明涉及防焦烧，更具体地说涉及包含氮氧化物和至少一种有机过氧化物的组合物，其可用于在热塑性组合物和/或弹性体交联之前延迟焦烧。 本发明还涉及可交联组合物和交联方法。
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公开(公告)号：US20050192419A1
公开(公告)日：2005-09-01
申请号：US11122431
申请日：2005-04-29
IPC分类号： C08K5/32 , C08K5/3412 , C08K5/3415 , C08K5/3435 , C08F4/00
CPC分类号： C08K5/3435 , C08K5/32 , C08K5/3412 , C08K5/3415 , C08L21/00
摘要： The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a family of specific nitroxides as additive.
摘要翻译： 本发明涉及在用过氧化物或偶氮化合物交联热塑性和/或弹性体组合物之前防止焦烧。 这是通过使用一系列特殊的氮氧化物作为添加剂来实现的。
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6.发明授权Heteropolymetallic clusters, methods of making such clusters, and catalysts utilizing such clusters 失效杂多金属簇，制备这种簇的方法和使用这种簇的催化剂
公开(公告)号：US4609639A
公开(公告)日：1986-09-02
申请号：US691453
申请日：1985-01-14
CPC分类号： C07D263/58 , B01J23/8906 , C01G55/007 , C07F15/0066 , C07F15/025
摘要： Heteropolymetallic clusters of the formula Pd.sub.2 (Fe).sub.x (CO).sub.4 [CO(NO).sub.2 ].sub.y [bis(diphenylphosphine)methane].sub.2 wherein x is 1 or 2 and y is 0 or 1; x=2 when y=1 and x=1 when y=0; to the method of making such clusters by reacting Pd.sub.2 Cl.sub.2 [bis(diphenylphosphine)methane] with MnFe(CO).sub.3 Z wherein M is an alkaline metal and Z is CO (n=2) or NO (n=1); and to the novel catalysts formed utilizing said clusters.
摘要翻译： 式Pd2（Fe）x（CO）4 [CO（NO）2] y [双（二苯基膦）甲烷] 2的异多金属簇，其中x为1或2，y为0或1; 当y = 1时x = 2，当y = 0时x = 1; 涉及通过使Pd 2 Cl 2 [双（二苯基膦）甲烷]与MnFe（CO）3Z（其中M是碱金属，Z是CO（n = 2））或NO（n = 1）反应制备这种簇的方法; 以及利用所述簇形成的新型催化剂。
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7.发明授权
公开(公告)号：US4323515A
公开(公告)日：1982-04-06
申请号：US77521
申请日：1979-09-20
IPC分类号： C07B61/00 , B01J31/00 , B01J31/18 , C07C67/00 , C07C241/00 , C07C263/14 , C07C265/00 , C07C119/048
CPC分类号： B01J31/1815 , C07C263/14 , B01J2531/025 , B01J2531/822 , B01J2531/824
摘要： A process for the synthesis of aromatic isocyanates by the reduction of aromatic derivatives with carbon monoxide in the presence of catalysts consisting of metal complexes of porphyrins. In one embodiment, the metallic porphyrin is synthesized in situ from a porphryin and a metal or a metal derivative.
摘要翻译： 在由卟啉金属络合物组成的催化剂存在下，通过一氧化碳还原芳族衍生物来合成芳族异氰酸酯的方法。 在一个实施方案中，金属卟啉由卟啉和金属或金属衍生物原位合成。
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8.发明授权Composition comprising a nitroxide, a promoter and optionally a free-radical initiator 有权组合物包含硝基氧，促进剂和任选的自由基引发剂公开(公告)号：US07226964B2
公开(公告)日：2007-06-05
申请号：US10406009
申请日：2003-04-03
IPC分类号： C08K5/34 , C08K5/3492 , C08K5/32 , C08K5/16
CPC分类号： C08K5/32 , C08J3/24 , C08K5/3435 , C08L21/00
摘要： The present invention relates to the prevention of scorching before crosslinking of a thermoplastic and/or elastomeric composition with peroxides or azo compounds. This is achieved by using a nitroxide in combination with at least one crosslinking promoter (promoter) chosen from group (P) consisting of compounds containing at least one double bond, which may be difunctional or polyfunctional.
摘要翻译： 本发明涉及在用过氧化物或偶氮化合物交联热塑性和/或弹性体组合物之前防止焦烧。 这通过使用氮氧化物与至少一种选自由包含至少一个双键的化合物（P）组成的交联促进剂（启动子）组合来实现，该组合物可以是双官能的或多官能的。
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9.发明授权Selective aldolization of acetone to diacetone alcohol by a solid basic catalyst 失效通过固体碱性催化剂选择性地将丙酮醛化成双丙酮醇
公开(公告)号：US5672764A
公开(公告)日：1997-09-30
申请号：US584900
申请日：1996-01-05
CPC分类号： B01J21/10 , B01J23/007 , C07C45/72
摘要： The aldolization is characterized by the use of a solid basic catalyst which has the following general formula �(Mg.sup.2+).sub.1-x (Al.sup.3+).sub.x (OH.sup.-).sub.2 !.sup.+x �(OH.sup.-).sub.x (H.sub.2 O).sub.n !.sup.-x (II) wherein 0.20.ltoreq.x.ltoreq.0.33 and n has a value of less than 1. This catalyst has a defined crystal structure similar to that of hydrotalcite or, alternatively, of meixnerite. Also disclosed are processes for the preparation of the catalyst.
摘要翻译： 醛固化的特征在于使用具有以下通式[（Mg2 +）1-x（Al3 +）x（OH-）2] + x [（OH-）x（H2O）n] -x的固体碱性催化剂 （II），其中0.20≤x≤0.33且n的值小于1.该催化剂具有与水滑石相似的限定的晶体结构，或者替代地，镁石。 还公开了制备催化剂的方法。
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公开(公告)号：US5545776A
公开(公告)日：1996-08-13
申请号：US453931
申请日：1995-05-30
申请人： Gilles Drivon , Jacques Kervennal
发明人： Gilles Drivon , Jacques Kervennal
CPC分类号： C07C17/10
摘要： The invention relates to the preparation of n-perfluorooctyl bromide. The continuous process according to the invention consists in reacting bromine with 1-hydroheptadecafluoro-n-octane in the gaseous phase, at a temperature between 450.degree. and 520.degree. C. in a Br.sub.2 /C.sub.8 F.sub.17 H mole ratio which can be from 0.2 to 5 and with a contact time between 2 and 240 seconds.The C.sub.8 F.sub.17 Br selectivity is almost complete and information of toxic sub-products like perfluoroisobutene is avoided.
摘要翻译： 本发明涉及正全氟辛基溴的制备。 根据本发明的连续方法在于使溴与1-羟基十五氟正辛烷在气相中在450℃和520℃之间的温度下以Br2 / C8F17H摩尔比反应，其摩尔比可以为0.2-5，和 接触时间在2到240秒之间。 C8F17Br选择性几乎完成，避免了全氟异丁烯等有毒副产物的信息。
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