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公开(公告)号：US4147848A
公开(公告)日：1979-04-03
申请号：US860595
申请日：1977-12-14
IPC分类号： C08F2/00 , C07C1/00 , C07C7/05 , C07C7/08 , C07C11/18 , C07C67/00 , C08F2/04 , C08F36/08 , C08F136/08 , C07C7/04
CPC分类号： C07C7/05 , C08F136/08
摘要： A process for purifying a crude isoprene containing polymerization inhibiting materials such as acetylenes and sulfur compounds to produce high purity or polymerization grade isoprene comprising distilling the crude isoprene in the presence of at least one member selected from saturated hydrocarbons containing 6 to 8 carbon atoms, withdrawing the polymerization inhibiting materials as an overhead fraction and obtaining purified isoprene as a bottom fraction.
摘要翻译： 一种用于纯化含有异戊二烯的聚合抑制物质如乙炔和硫化合物以产生高纯度或聚合级异戊二烯的方法，包括在选自含有6至8个碳原子的饱和烃中的至少一种的存在下蒸馏粗异戊二烯， 作为塔顶馏分的聚合抑制材料，并获得作为底部馏分的纯化异戊二烯。
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公开(公告)号：US4246427A
公开(公告)日：1981-01-20
申请号：US966999
申请日：1978-12-06
申请人： Naoki Andoh , Ituo Nishiwaki , Akira Iio , Masatoshi Arakawa
发明人： Naoki Andoh , Ituo Nishiwaki , Akira Iio , Masatoshi Arakawa
IPC分类号： B01J23/34 , B01J27/00 , B01J27/199 , C07B61/00 , C07C51/00 , C07C51/25 , C07C57/055 , C07C67/00
CPC分类号： B01J23/34 , B01J23/002 , B01J27/199 , C07C51/252 , B01J2523/00
摘要： Methacrylic acid is produced from methacrolein by gaseous phase oxidation in a very high selectivity, when methacrolein, molecular oxygen-containing gas and steam in a molar ratio of methacrolein:molecular oxygen:steam of 1:1-3:0-50 are subjected to reaction at a temperature in the range of 250.degree. to 400.degree. C., at a space velocity of 250 to 3,000 hr.sup.-1 (at 0.degree. C. and 1 atm.) with a novel catalyst having the following composition formula in atomic ratio:Mo.sub.a P.sub.b Zr.sub.c V.sub.d Mn.sub.e X.sub.f O.sub.gwherein X represents at least one member selected from the group consisting of potassium, rubidium, cesium and thallium, and a, b, c, d, e, f or g represents the number of atoms of Mo, P, Zr, V, Mn, X or O, respectively, and when a is 12, b is 0.5 to 5, c is 0.1 to 5, d is 0.05 to 3, e is 0.05 to 1.5, f is 0.1 to 3 and g is 40 to 60; and g is a number sufficient enough to satisfy the valencies of the respective catalyst component elements. Said catalyst has a high catalyst activity and a physical strength high enough for the catalyst to stand the severe conditions required for use on a commercial scale.
摘要翻译： 当甲基丙烯醛，含分子氧的气体和摩尔比为1：1-3：0-50的甲基丙烯醛：蒸汽的摩尔比为1：1-3：0-50的摩尔比时，甲基丙烯酸以非常高的选择性通过气相氧化由异丁烯醛生产。 在250〜3000hr -1的空间速度（0℃和1个大气压）下，在250〜400℃的温度下进行反应，得到具有以下组成式的原子比的新型催化剂 ：MoaPbZrcVdMneXfOg其中X表示选自钾，铷，铯和铊中的至少一种，a，b，c，d，e，f或g表示Mo，P，Zr，V的原子数 ，Mn，X或O，当a为12时，b为0.5〜5，c为0.1〜5，d为0.05〜3，e为0.05〜1.5，f为0.1〜3，g为40〜60 ; g是足以满足各催化剂成分元素的价态的数。 所述催化剂具有高的催化剂活性和足够高的物理强度，以使催化剂能够承受商业规模所需的苛刻条件。
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公开(公告)号：US4370447A
公开(公告)日：1983-01-25
申请号：US253832
申请日：1981-03-11
IPC分类号： C08G63/00 , C07C61/125 , C07C61/135 , C08F299/04 , C08G63/52 , C08G63/54 , C08G63/553 , C08L67/00 , C08L67/06 , C08G63/76
CPC分类号： C08G63/553 , C07C61/125 , C07C61/135
摘要： An unsaturated polyester was obtained by reacting a polyhydric alcohol with a mixture of an unsaturated polybasic acid and a specific saturated dibasic acid represented by the formula: ##STR1## or the formula: ##STR2## wherein, R.sub.1 to R.sub.10 are each hydrogen or alkyl, R' to R"" are the same or different and each represent hydrogen or ester-exchangeable alkyl, m is 1 or 2, and n is zero or 1. The compositions comprising this polyester and an aromatic vinyl monomer, when hardened in the presence of a catalyst, exhibit a lower shrinkage during the hardening and give molded products with improved resistance to alkalis and to boiling water.
摘要翻译： PCT No.PCT / JP80 / 00163 Sec。 371日期：1981年3月11日 102（e）1981年3月11日PCT PCT。1980年7月18日PCT公布。 公开号WO81 / 00258 日本：1981年2月5日。不饱和聚酯是通过使多元醇与下式表示的不饱和多元酸和特定饱和二元酸的混合物反应得到的：其中R1， R 10各自为氢或烷基，R'至R“”相同或不同，各自表示氢或可酯交换的烷基，m为1或2，n为0或1.包含该聚酯和 芳族乙烯基单体在催化剂存在下硬化时，在硬化过程中表现出较低的收缩率，并提供具有改善的耐碱性和沸水的模塑制品。
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公开(公告)号：US4138419A
公开(公告)日：1979-02-06
申请号：US792225
申请日：1977-04-29
IPC分类号： C07C69/753 , B01F17/34 , C07C17/08 , C07C51/00 , C07C61/39 , C07C67/00 , D21H17/00 , D21H17/14 , C07C63/36 , C07C63/44 , C07C69/76
CPC分类号： D21H17/14 , C07C17/08 , D21H17/00 , Y10S516/06
摘要： A novel cyclopentadiene derivative of the general formula: ##STR1## wherein R.sup.1 is hydrogen, a mono- to tetra-hydric alcohol moiety having 1 to 12 carbon atoms, a metal of Groups Ia, IIa and IIb of the Periodic Table, an ammonium group or an organic amine residue; R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen or alkyl groups having 1 to 6 carbon atoms; R.sup.a, R.sup.b, and R.sup.c are independently hydrogen or alkyl groups having 1 to 3 carbon atoms; m is 0 or 1; and n is an integer of 1 to 4. This cyclopentadiene derivative is comparable or even superior to natural rosin in effectiveness as an emulsifier for use in the production of SBR and ABS resins or as a sizing agent in paper making.
摘要翻译： 一种新的环戊二烯衍生物，其通式如下：其中R1是氢，具有1至12个碳原子的一至四醇部分，元素周期表中的Ia，IIa和IIb族金属，铵基 或有机胺残基; R2，R3和R4独立地是氢或具有1至6个碳原子的烷基; Ra，Rb和Rc独立地是氢或具有1至3个碳原子的烷基; m为0或1; 并且n为1〜4的整数。该环戊二烯衍生物作为用于制备SBR和ABS树脂的乳化剂或作为造纸中的施胶剂的有效性与天然松香相当或甚至优于天然松香。
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公开(公告)号：US4504692A
公开(公告)日：1985-03-12
申请号：US588085
申请日：1984-03-09
CPC分类号： C07C11/167 , C07C7/08
摘要： A process for producing 1,3-butadiene which comprises feeding a fraction comprising C.sub.4 -paraffins and C.sub.4 -olefins as the main components and being free from isobutene, 1,3-butadiene and C.sub.4 -acetylenes to a dehydrogenation or oxidative dehydrogenation step (step A), where the n-butenes contained therein is converted to 1,3-butadiene; feeding the 1,3-butadiene-containing hydrocarbon fraction thus obtained (fraction C) to an extractive distillation column (column B), in which said fraction C is distilled in an atmosphere of a selective solvent while obtaining a fraction comprising C.sub.4 -paraffins as the main hydrocarbon component from the top of the column; withdrawing a fraction comprising n-butenes as the main component as a side stream from a stage on the upper side of the aforementioned fraction C-feeding stage and on the lower side of the selective solvent-feeding stage and recycling it into step A while withdrawing a fraction comprising 1,3-butadiene as the main hydrocarbon component and also containing the selective solvent from the bottom of column B; and separating 1,3-butadiene from the 1,3-butadiene-containing fraction.
摘要翻译： 一种1,3-丁二烯的制造方法，其特征在于，以含有C4链烷烃和C4-烯烃为主要成分，不含异丁烯，1,3-丁二烯，C4-乙炔的馏分进行脱氢或氧化脱氢工序 A），其中所含的正丁烯转化为1,3-丁二烯; 将由此获得的含1,3-丁二烯的烃馏分（馏分C）加入到萃取蒸馏塔（B馏分）中，其中所述馏分C在选择性溶剂的气氛中蒸馏，同时得到包含C 4链烷烃的馏分 来自塔顶的主要烃成分; 从上述级分C供给级的上侧的阶段和选择性溶剂供给级的下侧取出包含作为主要成分的正丁烯作为主要成分的馏分，并将其再循环到步骤A中，同时退出 包含1,3-丁二烯作为主要烃成分并且还含有来自塔B底部的选择性溶剂的馏分; 并从含1,3-丁二烯的级分中分离出1,3-丁二烯。
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6.发明授权Process for producing 1,3-butadiene or 2-methyl-1,3-butadiene having high purity 失效制备高纯度的1,3-丁二烯或2-甲基-1,3-丁二烯的方法
公开(公告)号：US4401515A
公开(公告)日：1983-08-30
申请号：US242676
申请日：1981-03-11
CPC分类号： C07C7/08 , Y10S203/20
摘要： In a process for producing butadiene or isoprene having a high purity comprising a step of treating a C.sub.4 or C.sub.5 hydrocarbon mixture containing butadiene or isoprene by an extractive distillation method in the presence of a selective solvent to obtain crude butadiene or crude isoprene and a step of separating a heavy fraction contained in a small quantity in the thus obtained crude butadiene or crude isoprene by a conventional distillation method in a heavy fraction separating tower, the heat energy can be saved to a great extent by thermally coupling the tower for distilling crude butadiene or crude isoprene used in the above-mentioned extractive-distillation step with the above-mentioned heavy fraction separating tower, namely by feeding a part or the whole of the vapor stream from the top of said tower for distilling crude butadiene or isoprene to said heavy fraction separating tower and feeding a liquid at a rate corresponding to the whole or a part of the reflux rate necessary for the operation of the tower for distilling crude butadiene or crude isoprene, from the heavy fraction separating tower to the tower for distilling crude butadiene or crude isoprene.
摘要翻译： 在生产具有高纯度的丁二烯或异戊二烯的方法中，包括在选择性溶剂的存在下通过萃取蒸馏法处理含有丁二烯或异戊二烯的C 4或C 5烃混合物以获得粗丁二烯或粗异戊二烯的步骤， 通过常规蒸馏法在重馏分分离塔中分离由此得到的粗丁二烯或粗异戊二烯中少量含有的重馏分，通过热塔连接用于蒸馏粗丁二烯的热量可以节省很多的热量， 在上述提取 - 蒸馏步骤中使用的粗异戊二烯与上述重馏分分离塔，即通过从塔的顶部进料一部分或全部蒸汽流，以将粗丁二烯或异戊二烯蒸馏到所述重馏分 分离塔并以对应于t所需的全部或部分回流速率的速率进料液体 他操作塔，用于将粗丁二烯或粗异戊二烯从重馏分分离塔蒸馏到塔中以蒸馏粗丁二烯或粗异戊二烯。
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公开(公告)号：US4390717A
公开(公告)日：1983-06-28
申请号：US257152
申请日：1981-04-24
IPC分类号： B01J23/00 , B01J31/00 , C07C67/38 , C07C69/753
CPC分类号： C07C67/38 , C07C2103/68
摘要： A process for preparing a carboxylic acid ester of a dicyclopentadiene by reacting the dicyclopentadiene with carbon monoxide and an alcohol in the presence of a cobalt compound catalyst, characterized by carrying out said reaction in the presence of 0.5 mole or more of a pyridine base per mole of the dicyclopentadiene at a temperature of 130.degree. C. or less at a carbon monoxide pressure of preferably at least 20 kg/cm.sup.2. G to hydroesterify the double bond in the norbornene ring, thereby forming a mono-carboxylate of a dicyclopentadiene, and hydroesterifying the monoesterification product as produced or the isolated monoester to the same reaction conditions as above except that the temperature is 160.degree. C. or less to hydroesterify the remaining double bond of the monoester, thereby forming a dicarboxylate of dicyclopentadiene.
摘要翻译： 一种通过在钴化合物催化剂存在下使二环戊二烯与一氧化碳和醇反应制备二环戊二烯的羧酸酯的方法，其特征在于在0.5摩尔或更多的吡啶碱存在下进行所述反应，每摩尔 的二环戊二烯在130℃或更低的温度下，优选至少20kg / cm2的一氧化碳压力。 G将降冰片烯环中的双键加成酯化，从而形成二环戊二烯的单羧酸酯，并将所生产的单酯化产物或分离的单酯加氢酯化至与上述相同的反应条件，除了温度为160℃或更低 以使单酯的剩余双键加氢酯化，从而形成二环戊二烯的二羧酸酯。
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公开(公告)号：US4329492A
公开(公告)日：1982-05-11
申请号：US209032
申请日：1980-11-21
申请人： Naoki Andoh , Itsuo Nishiwaki , Masatoshi Arakawa
发明人： Naoki Andoh , Itsuo Nishiwaki , Masatoshi Arakawa
CPC分类号： C07C67/08
摘要： A continuous process for producing methacrylic acid ester from methacrylic acid and a lower alcohol containing 1 to 3 carbon atoms utilizing sulfuric acid as a catalyst and a hydrophobic solvent to assist in the formation of a heterogeneous reaction mixture, the process being particularly characterized by the steps of reconcentrating and reusing the sulfuric acid.
摘要翻译： 使用硫酸作为催化剂和疏水性溶剂从甲基丙烯酸和含有1至3个碳原子的低级醇生产甲基丙烯酸酯的连续方法，以帮助形成不均匀的反应混合物，该方法的特征在于步骤 重新浓缩和再利用硫酸。
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9.发明授权Carboxylic acid of cyclopentadiene derivative, salt thereof, or ester thereof and process for producing these compositions 失效环戊二烯衍生物的羧酸，其盐或其酯和制备这些组合物的方法
公开(公告)号：US4048147A
公开(公告)日：1977-09-13
申请号：US635630
申请日：1975-11-26
IPC分类号： C07C69/753 , B01F17/34 , C07C45/50 , C07C51/00 , C07C61/39 , C07C67/00 , C08G2/00 , C08G2/18 , C08G10/00
摘要： A novel compound represented by the formula, ##STR1## WHEREIN R is a hydrogen or an alkyl group having 1 to 3 carbon atoms, said four R's being the same or different; R.sup.1 is hydrogen, an alkali metal, an ammonium group, a mono-to tetra-hydric aliphatic alcohol moiety having 1 to 12 carbon atoms, or an organic amine residue; n is an integer of 1 to 4; and R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are independently hydrogen or alkyl groups having 1 to 6 carbon atoms or R.sup.2 and R.sup.3 may form a ring when taken together. Said novel compound has properties similar to those of natural rosin or a disproportionated rosin, and is useful as a vehicle for coating compositions and printing inks, as an emulsifier for emulsion polymerization, and as a sizing agent.
摘要翻译： 由式表示的新化合物，其中R是氢或具有1至3个碳原子的烷基，所述四个R相同或不同; R1是氢，碱金属，铵基，具有1至12个碳原子的单 - 四 - 脂肪醇部分或有机胺残基; n为1〜4的整数， 并且R 2，R 3，R 4，R 5和R 6独立地为氢或具有1至6个碳原子的烷基，或者当R 3和R 3可以一起形成时，R 2和R 3可以形成环。 所述新型化合物具有与天然松香或歧化松香类似的性质，可用作涂料组合物和印刷油墨，乳液聚合乳化剂和上胶剂的载体。
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