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1. 发明专利

JPS6165839A Production of alpha-(p-isobutylphenyl)propionic acid 失效
标题翻译：制备ALPHA-（P-异丁基苯）丙酸
公开(公告)号：JPS6165839A
公开(公告)日：1986-04-04
申请号：JP18759684
申请日：1984-09-07
申请人： Nippon Petrochem Co Ltd
发明人： SHIMIZU ISOO , MATSUMURA YASUO
IPC分类号： C07C57/30 , C07C51/00 , C07C51/29 , C07C67/00
摘要： PURPOSE: To obtain the titled compd. having antipyretic, analgesic and antiphlogistic action without side effects in high yield without any problems in post- treatment, by oxidizing α-(p-isobutylphenyl)propionaldehyde with a hypohalite under specified reaction condition.
CONSTITUTION: α-(p-Isobutylphenyl)propionaldehyde as a starting material is oxidized with a hyphohalite to give the aimed compd. The reaction is carried out preferably in an inert solvent such as acetone or tetrahydrofuran in the presence of an inorganic acid such as sulfuric acid, phosphoric acid or hydrochloric acid at ≤-12°C, preferably -50W-15°C. The amount of the hypohalite such as sodium hypochlorite to be used is preferably ≥1.05mol based on 1mol starting material compound to be used. The amount of the inorganic acid to be used is ≥0.1mol, preferably ≥0.2mol and ≤50mol based on 1mol hyphohalite.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：获取标题化合物通过在规定的反应条件下用次卤酸盐氧化α-（对异丁基苯基）丙醛，具有退热，止痛和消炎作用，没有副作用，产率高，后处理无任何问题。构成：作为原料的α-（对异丁基苯基）丙醛用次卤酸盐氧化，得到目标化合物。反应优选在惰性溶剂如丙酮或四氢呋喃中，在无机酸如硫酸，磷酸或盐酸的存在下，在≤12℃，优选-50--15℃下进行。。次氯酸钠等次氯酸盐的使用量相对于1摩尔原料化合物优选为= 1.05摩尔。无机酸的使用量相对于1摩尔次卤盐酸盐为> = 0.1摩尔，优选≥0.2摩尔，<50摩尔。

2. 发明专利

JPS6124534A Preparation of alpha-(p-isobutylphenyl)propionaldehyde 失效
标题翻译：阿尔法 - （P - 异丁基苯）丙醛的制备
公开(公告)号：JPS6124534A
公开(公告)日：1986-02-03
申请号：JP14659484
申请日：1984-07-14
申请人： Nippon Petrochem Co Ltd
发明人： SHIMIZU ISOO , HIRANO RYOTARO , MATSUMURA YASUO , NOMURA HIDEKI , UCHIDA KAZUMICHI , SATO ATSUSHI
IPC分类号： C07C4/00 , B01J21/00 , B01J21/14 , B01J21/16 , B01J27/00 , B01J27/02 , B01J29/00 , B01J29/06 , C07B61/00 , C07C1/00 , C07C2/86 , C07C15/14 , C07C15/16 , C07C15/46 , C07C45/00 , C07C45/50 , C07C47/228 , C07C67/00
CPC分类号： Y02P20/52
摘要： PURPOSE: To prepare the titled compound economically in high purity, by reacting isobutylbenzene with acetaldehyde in the presence of sulfuric acid catalyst to give a novel compound, catalytically decomposing the resultant compound to afford p-isobutylstyrene, and reacting H
2 and CO therewith in the presence of a carbonylation catalyst.
CONSTITUTION: Isobutylbenzene is reacted with acetaldehyde in the presence of sulfuric acid catalyst to give novel 1,1-bis(p-isobutylphenyl)ethane, which is then catalytically decomposed in the presence of a protonic acid and/or solid acid catalyst at 200W650°C to give isobutylbenzene (reutilized as a starting material) and p-isobuthylstyrene. The resultant p-isobuthylstyrene is then reacted with hydrogen and CO in the presence of a carbonylation catalyst at 40W150°C to give the aimed compound.
EFFECT: The raw material is safe, stable and inexpensive, and the preparation is carried out only in three steps with simple operation.
USE: A precursor for α-(p-isobutylphenyl)propionic acid.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：为了以高纯度经济地制备标题化合物，通过在硫酸催化剂存在下使异丁基苯与乙醛反应，得到新的化合物，催化分解得到的化合物，得到对异丁基苯乙烯，并在存在下使H 2与CO反应的羰基化催化剂。构成：在硫酸催化剂存在下，异丁基苯与乙醛反应，得到新的1,1-双（对 - 异丁基苯基）乙烷，然后在质子酸和/或固体酸催化剂存在下在200℃下催化分解， 650℃，得到异丁基苯（以原料重新利用）和对异丁基苯乙烯。然后将所得的对异丁基苯乙烯在羰基化催化剂存在下在40-150℃下与氢气和CO反应，得到目标化合物。效果：原料安全，稳定，价格便宜，操作简单，只需三步即可。用途：α-（对异丁基苯基）丙酸的前体。

3. 发明专利

JPS5915484A Fuel oil composition consisting of intermediate distillate from petroleum 失效
标题翻译：燃料油组成由石油中间馏分组成
公开(公告)号：JPS5915484A
公开(公告)日：1984-01-26
申请号：JP12546882
申请日：1982-07-19
申请人： Nippon Petrochem Co Ltd
发明人： MURAI GIICHI , MATSUMURA YASUO
IPC分类号： C10L1/192 , C10L1/18 , C10L1/195 , C10L1/22 , C10L1/234 , C10L10/14
摘要： PURPOSE: To provide the titled fuel oil composition which contains a low-temperature fluidity improving agent consisting of a combination of a specified organic high-molecular substance with an epoxy group linked to a main chain high-molecular segment and an amine compd. and exhibits improved fluidity at low temperature.
CONSTITUTION: The composition is prepared by adding 0.001W5wt% low-temperature fluidity improving agent to a fuel oil consisting of at intermediate distillate from petroleum. The improver is made by combined use of (A) an organic high-molecular compd. consisting of a main chain high-molecular segment with a molecular weight of 200W10,000 and an epoxy group of formula I (wherein R
1 and R
2 are H or methyl; X is H or a bond; When X is a bond, carbon atom to which R
1 and R
2 are linked may form a part of the main chain) which is linked to the above segment, and containing the epoxy group in an amount of 0.05W2mol per 100g of the compd. and (B) an amine compd. of formula II(where R
3 and R
4 are each a 12C or higher organic group of H).
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：提供含有特定有机高分子物质与连接于主链高分子链段的环氧基团和胺化合物的组合的低温流动性改进剂的标题燃料油组合物。并且在低温下表现出改善的流动性。构成：通过向由石油中间馏分组成的燃料油中加入0.001-5wt％的低温流动性改进剂来制备组合物。改进剂是通过（A）有机高分子化合物的组合使用来制备的。由分子量为200-10,000的主链高分子链段和式I的环氧基团组成（其中R1和R2为H或甲基; X为H或键;当X为键时，碳原子为其连接的R1和R2可以形成与上述链段连接的主链的一部分），并且每100g化合物含有0.05-2mol的环氧基团。和（B）胺化合物。（其中R 3和R 4各自为H的12 C或更高有机基团）。

4. 发明专利

JPS6165838A Production of alpha-(p-isobutylphenyl)propionic acid 失效
标题翻译：制备ALPHA-（P-异丁基苯）丙酸
公开(公告)号：JPS6165838A
公开(公告)日：1986-04-04
申请号：JP18759584
申请日：1984-09-07
申请人： Nippon Petrochem Co Ltd
发明人： SHIMIZU ISOO , MATSUMURA YASUO
IPC分类号： C07C57/30 , C07C51/00 , C07C51/29 , C07C67/00
摘要： PURPOSE: To obtain the titled compd. useful as antipyretic, analgesic and antiphlogistic with excellent high selectivity, by oxidizing α-(p-isobutylphenyl) propionaldehyde acid with a hypohalite in the presence of acetic acid at a specified reaction temp.
CONSTITUTION: α-(p-Isobutylphenyl)propionaldehyde (IPN) is oxidized with one or more hypohalites selected from NaClO, KClO, Ca(ClO)
2 , NaBrO, KBrO etc., in the presence of acetic acid, at ≤-12°C, preferably -12W-50°C, to obtain the titled compd. useful as pharmaceuticals having less side effects with a surprisingly high efficiency, e.g. ≥97% selectivity and ≥95% yield. The amount of the hypohalite to be used is ≤1mol, preferably ≤1.05mol based on 1mol IPN. The amount of the acetic acid to be present is enough to make the reaction system neutral W acidic, usually ≥0.1mol, preferably ≥0.2mol based on 1mol hypohalite.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：获取标题化合物通过在规定的反应温度下在乙酸存在下，用次卤酸盐氧化α-（对异丁基苯基）丙醛酸，可用作解热，镇痛和消炎，具有优异的高选择性。构成：在乙酸存在下，α-（对异丁基苯基）丙醛（IPN）被一种或多种选自NaClO，KClO，Ca（ClO）2，NaBrO，KBrO等的次卤酸盐氧化， ℃，优选-12-50℃，得到标题化合物。可用作具有令人惊讶的高效率的副作用较少的药物，例如， > = 97％选择性和> = 95％产率。所使用的次卤酸盐的量为基于1mol IPN的<= 1mol，优选<= 1.05mol。存在的乙酸的量足以使反应体系基于1mol次卤酸盐中性 - 通常> = 0.1mol，优选> = 0.2mol。

5. 发明专利

JPS6137743A 1,1-bis(p-isobutylphenyl)ethane 失效
标题翻译： 1,1-BIS（P-ISOBUTYLPHENYL）ETHANE
公开(公告)号：JPS6137743A
公开(公告)日：1986-02-22
申请号：JP16111284
申请日：1984-07-31
申请人： Nippon Petrochem Co Ltd
发明人： SHIMIZU ISOO , HIRANO RYOTARO , MATSUMURA YASUO , NOMURA HIDEKI , UCHIDA KAZUMICHI , SATO ATSUSHI
IPC分类号： C07C15/16 , C07C1/00 , C07C4/18 , C07C15/02 , C07C15/46 , C07C67/00
摘要： NEW MATERIAL:1,1-Bis(p-isobutylphenyl)ethane of formula I.
USE: A raw material of p-isobutylstyrene (abbreviated as PBS) which is an intermediate for the economical production of α-(p-isobutylphenyl)propionic acid useful as a drug such as anti-inflammatory agent, etc.
PREPARATION: 1mol of acetaldehyde having a concentration of ≤1wt% is made to react with ≥1mol, preferably ≥2.2mol of isobutylbenzene of formula II (abbreviated as IBB) in the presence of sulfuric acid having a concentration of ≥75wt%, preferably 80W90wt% as a catalyst, at ≤40°C, preferably -20W+20°C, preferably for 3W10hr under atmospheric pressure to obtain the compound of formula I. The catalytic decomposition of the compound of formula I gives PBS economically in high yield, and the by-produced IBB can be reused as a raw material of the compound of formula I.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：新材料：式I的1,1-双（对异丁基苯基）乙烷。用途：作为经济生产α-（对异丁基苯基）丙酸的中间体的对异丁基苯乙烯（缩写为PBS）的原料可用作药物如抗炎剂等。制备：将1mol浓度<= 1wt％的乙醛与> = 1mol，优选> = 2.2mol的式II的异丁基苯（简称IBB）反应，在40℃，优选-20- + 20℃，优选在大气压下进行3-10小时的浓度> 75重量％，优选80-90重量％的硫酸存在下，得到式I化合物。式I化合物的催化分解以高产率经济地得到PBS，并且副产IBB可以作为式I化合物的原料重复使用。

6. 发明专利

JPS6124527A P-isobutylstyrene 失效
标题翻译： P-ISOBUTYLSTYRENE
公开(公告)号：JPS6124527A
公开(公告)日：1986-02-03
申请号：JP14659384
申请日：1984-07-14
申请人： Nippon Petrochem Co Ltd
发明人： SHIMIZU ISOO , HIRANO RYOTARO , MATSUMURA YASUO , NOMURA HIDEKI , UCHIDA KAZUMICHI , SATO ATSUSHI
IPC分类号： C07C4/06 , B01J21/12 , B01J21/16 , B01J27/053 , B01J27/16 , B01J29/04 , B01J31/02 , C07B61/00 , C07C1/00 , C07C2/86 , C07C4/00 , C07C4/18 , C07C15/16 , C07C15/46 , C07C67/00
CPC分类号： Y02P20/52
摘要： PURPOSE: To obtain the titled compound advantageously through a novel intermediate from isobutyl benzene and acetaldehyde, by conducting two-step reaction using a sulfuric acid catalyst and then a protonic acid catalyst, etc. at a specific temperature, accompanied with recycling the starting raw material produced.
CONSTITUTION: (i) A compound [isobutylbenzene (IBB)] expressed by formula I is reacted with acetaldehyde in the presence of sulfuric acid catalyst of ≥75wt%, preferably 80W95wt% sulfuric acid concentration at ≤40°C, preferably -20W 20°C under stirring to obtain the novel substance [1,1-bis(p-isobulylphenyl)ethane (BBE)] expressed by formula I. (ii) The resultant substance is reacted at 200W 650°C, preferably 300W650°C especially preferably 350W500°C in the presence of a protonic acid and/or solid acid catalysts to obtain the aimed compound [p-isobutylstyrene (PBS)] expressed by formula III and IBB. The IBB is returned to the process (i) for reuse, and the PBS useful as an intermediate for medicine, etc. is obtained effectively in good yield from inexpensive raw materials through the simple and easily handleable intermediates.
COPYRIGHT: (C)1986,JPO&Japio
摘要翻译：目的：通过使用硫酸催化剂和质子酸催化剂等在特定温度下进行两步反应，从有异丁苯和乙醛的新型中间体中有利地得到标题化合物，伴随着起始原料生产。组成：（i）由式I表示的化合物[异丁基苯（IBB）]与乙醛在硫酸催化剂存在下，在≥40℃的硫酸催化剂存在下，重量比为75％，优选80-95％（重量）优选-20-20℃，得到由式I表示的新型物质[1,1-双（对 - 异丙基苯基）乙烷（BBE）]。（ⅱ）所得物质在200-650℃下反应。优选300-650℃，特别优选350-500℃，在质子酸和/或固体酸催化剂存在下，得到由式III和IBB表示的目的化合物[对异丁基苯乙烯（PBS）]。 IBB回到工艺（i）中进行再利用，通过简单且易于处理的中间体，从廉价的原料中获得有效的药物中间体等的有效成分。

7. 发明专利

JPS59190927A Dimerization of alpha-methylstyrene 失效
标题翻译：二甲基苯乙烯的二聚体
公开(公告)号：JPS59190927A
公开(公告)日：1984-10-29
申请号：JP6591583
申请日：1983-04-14
申请人： Nippon Petrochem Co Ltd
发明人： GOTOU MASATO , MATSUMURA YASUO , DOI HIDEYUKI
IPC分类号： C07C2/26 , B01J21/00 , B01J21/16 , C07B61/00 , C07C1/00 , C07C15/50 , C07C67/00
CPC分类号： Y02P20/52
摘要： PURPOSE: In dimerizing the titled compound using activated clay or acid clay as a catalyst, to obtain an unsaturated linear dimer of the titled compound useful as a raw material for a lubricating oil of traction drive in high yield, by making Cellosolve exist in the reaction system.
CONSTITUTION: In dimerizing α-methylstyrene using activated clay or acid clay as a catalyst, 2W40times, preferably 5W20times as much Cellosolve, preferably ≤6C Cellosolve as the catalyst by weight is added to the reaction system, to prevent the catalyst from blocking, formation of high-boiling substances is suppressed, to give an unsaturated linear dimer of α-methylstyrene, especially 2,4- diphenyl-4-methylpentene-1 useful as a polymerization adjustor in high yield. This process has merits wherein amounts of the catalyst and the coexisting substance used are small. The reaction temperature is 40W150°C, preferably 50W 120°C.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：使用活性粘土或酸性粘土作为催化剂使标题化合物二聚，得到标题化合物的不饱和线性二聚体，其用作牵引驱动用润滑油的高产率原料，通过使溶胶存在于反应中系统。构成：在使用活性粘土或酸性粘土作为催化剂使α-甲基苯乙烯二聚的过程中，加入到反应体系中的2-40倍，优选5-20倍的溶纤剂，优选<= 6C溶媒作为催化剂，以防止催化剂抑制高沸点物质的形成被抑制，得到α-甲基苯乙烯的不饱和线性二聚体，特别是可用作聚合调节剂的2,4-二苯基-4-甲基戊烯-1。该方法的优点在于其中使用的催化剂和共存物质的量少。反应温度为40-150℃，优选为50-120℃。

8. 发明专利

JPS59181225A Conversion of aromatic hydrocarbons 失效
标题翻译：芳烃转化
公开(公告)号：JPS59181225A
公开(公告)日：1984-10-15
申请号：JP5158483
申请日：1983-03-29
申请人： Nippon Petrochem Co Ltd
发明人： YAMAZAKI YASUO , SUZUKI TAKEHIKO , SHIMIZU ISOO , MATSUMURA YASUO
IPC分类号： C07C69/618 , B01J23/00 , B01J23/44 , B01J27/13 , B01J31/00 , C07B31/00 , C07B37/04 , C07B37/06 , C07B41/12 , C07B61/00 , C07C1/00 , C07C2/76 , C07C15/52 , C07C25/18 , C07C25/24 , C07C41/30 , C07C43/215 , C07C45/00 , C07C45/68 , C07C63/66 , C07C67/00 , C07C69/78 , C07C205/06 , C07C233/65 , C07D207/40 , C07D207/404
CPC分类号： C07D207/404 , C07B37/04 , C07C2/861 , C07C17/26 , C07C25/18 , C07C41/22 , C07C41/30 , C07C45/002 , C07C45/68 , C07C67/307 , C07C67/343 , C07C67/36 , C07C201/12 , C07C2531/20 , C07C2531/28 , C07C2601/14 , C07D307/60 , C07C47/548 , C07C49/217 , C07C69/618 , C07C69/65 , C07C69/76 , C07C69/734 , C07C43/225 , C07C43/215 , C07C69/78 , C07C69/82 , C07C69/92 , C07C15/52 , C07C205/06 , C07C205/12
摘要： PURPOSE: The reaction between a diaryliodonium salt and an unsaturated compound effects the addition of an aryl iodide to an unsaturated compound to give an aryl iodide and an aryl compound as an adduct of the unsaturated compound, then the aryl iodie is subjected to coupling reaction with an aromatic hydrocarbon and recycled.
CONSTITUTION: The reaction of a compound of formula I (Ar
1 , Ar
2 are aryl groups which may be sustituted; X
- is counter ion inert to the reaction) with an unsaturated compound such as styrene or carbon monoxide is carried out in the presence of a transition metal catalyst such as Pd catalyst and a base to give an aryl iodide of the formula: Ar
1 -I and an adduct of the Ar
2 group to the unsaturated compound. Then, the resultant aryl iodide is subjected to coupling reaction with an aromatic hydrocarbon in an oxidative atmosphere to form the compound of formula I , whic is reused. It is very important to avoide excessive use of the base and the unsaturated compound in the initial reaction and the amount is about 0.8W1.2 times the stoichiometric one.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：二芳基碘盐与不饱和化合物之间的反应可使不饱和化合物中加入芳基碘，得到芳基碘和芳基化合物作为不饱和化合物的加合物，然后将芳基碘与芳烃和回收。构成：式Ⅰ化合物（Ar1，Ar2是可以被取代的芳基，X - 为反应惰性的反应）与不饱和化合物如苯乙烯或一氧化碳的反应在存在下进行的过渡金属催化剂如Pd催化剂和碱，得到下式的芳基碘：Ar1-I和Ar2基团与不饱和化合物的加合物。然后，将所得芳基碘在氧化气氛中与芳烃进行偶联反应，形成式I化合物，重复使用。在初始反应中过量使用碱和不饱和化合物是非常重要的，其量为化学计量比的约0.8-1.2倍。

9. 发明专利

JPS59163330A Preparation of diaryl iodonium salt 失效
标题翻译：二盐酸盐的制备
公开(公告)号：JPS59163330A
公开(公告)日：1984-09-14
申请号：JP3731583
申请日：1983-03-09
申请人： Nippon Petrochem Co Ltd
发明人： SHIMIZU ISOO , MATSUMURA YASUO , INOMATA YOSHIHISA
IPC分类号： C07C43/225 , C07B39/00 , C07C17/00 , C07C17/12 , C07C25/18 , C07C41/00 , C07C41/22 , C07C41/30 , C07C67/00 , C07C231/00 , C07C231/12 , C07C233/15 , C07D207/40 , C07D207/404
CPC分类号： C07D207/404 , C07C25/18 , C07C41/30 , C07C43/225
摘要： PURPOSE: To prepare the titled compound useful as a raw material of a photopolymerization initiator for a monomer for cationic polymerization, in high yield with improved selectivity, by reacting an aromatic hydrocarbon with its iodine-substituted compound using a sulfuric acid having a specific concentration.
CONSTITUTION: The objective compound of formula III (Ar
1 and Ar
2 are aryl which may have electron-donative substituent group) is obtained by the coupling reaction of (A) the aromatic hydrocarbon of formula I (R
1 is electron-donative group, e. g. 1W12C alkyl, alkoxy, etc.; n is 0W3), etc., e.g. benzene, indane, naphthalene, etc., or an aromatic hydrocarbon substituted with an electron-donative group with (B) its ionine-substituted product of formula II (R
2 =R
1 ; n=m) in sulfuric acid diluted to a concentration of ≤85wt% with a diluent, in the presence of an oxidizing agent at -20W+35°C for several hours. The diluent is e.g. water, acetic acid, acetic anhydride or their mixture, and the oxidizing agent is a persulfate such as ammonium persulfate.
COPYRIGHT: (C)1984,JPO&Japio
摘要翻译：目的：通过使用具有特定浓度的硫酸使芳烃与其碘取代的化合物反应，制备用作阳离子聚合用单体的光聚合引发剂的原料的标题化合物，以高产率提高选择性。构成：式（III）的式（III）的化合物（Ar1和Ar2是可以具有电子给予取代基的芳基）是通过（A）式I的芳烃（R1是给电子基团，例如1- 12C烷基，烷氧基等; n为0-3）等，例如苯，茚满，萘等或被电子给体基取代的芳香族烃，（B）其在式（II）中的离子取代的产物（R2 = R1; n = m） = 85wt％的稀释剂，在-20- + 35℃的氧化剂存在下进行数小时。稀释剂例如水，乙酸，乙酸酐或它们的混合物，氧化剂是过硫酸铵如过硫酸铵。

10. 发明专利

JPS58222190A Low-temperature fluidity modifier for medium fraction petroleum fuel and medium fraction petroleum fuel composition containing same 失效
$Low-temperature fluidity modifier for medium fraction petroleum fuel and medium fraction petroleum fuel composition containing same$
标题翻译：用于中间石油燃料和中等分解油的低温流体改性剂石油燃料组合物
公开(公告)号：JPS58222190A
公开(公告)日：1983-12-23
申请号：JP10526882
申请日：1982-06-17
申请人： Nippon Petrochem Co Ltd
发明人： SATOU ATSUSHI , MURAI GIICHI , MATSUMURA YASUO
IPC分类号： C10L1/192 , C10L1/18 , C10L1/195
摘要： PURPOSE: The titled composition with excellent low-temp. fluidity characteristics and low-temp. shelf stability, prepd. by incorporating an esterified material obtd. by esterifying a specified olefin/maleic anhydride copolymer.
CONSTITUTION: An olefin/maleic anhydride copolymer of average MW 500W 50,000 obtd. by reacting an 8W19C straight-chain α-olefin such as 1-octene with maleic anhydride in a molar ratio of 1:0.5W2 at 50W250°C is esterified with a 16W30C long-chain alcohol to obtain a low-temp. fluidity modifier (B) consisting of an esterified material in which m/n, a ratio of the number of structural units of formula I to that of formula II (wherein m and n are each an integer; R
1 , R
2 , R
4 and R
5 are each H or alkyl; R
3 , R
6 and R
7 are each alkyl) is 0.25W4. Then to a medium petroleum distillate fuel (A) of a b.p. ranging from 120 to 500°C, such as diesel fuel oil, is added 0.005W5wt% component B.
COPYRIGHT: (C)1983,JPO&Japio
摘要翻译：目的：具有优良低温的标题组合物。流动特性和低温。货架稳定性通过掺入酯化物质。通过酯化特定的烯烃/马来酸酐共聚物。构成：平均MW500-500万的烯烃/马来酸酐共聚物。通过在50-250℃下使8-19C直链α-烯烃如1-辛烯与摩尔比为1：0.5-2的马来酸酐与16-30℃长链醇酯化，得到低温流化性改性剂（B）由酯化物质组成，其中m / n，式I的结构单元数与式II的结构单元的比例（其中m和n各自为整数; R 1，R 2，R 4和R 5为每个H或烷基; R 3，R 6和R 7各自为烷基）为0.25-4。然后加入中等石油馏分燃料（A），沸点 120至500摄氏度，如柴油燃料油，加入0.005-5％组分B。

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