-
1.发明授权
公开(公告)号：US5292970A
公开(公告)日：1994-03-08
申请号：US983048
申请日：1992-11-30
CPC分类号： C07C37/14 , C07C2101/14 , C07C2101/18
摘要： A method of manufacturing orthosubstituted alkylphenols, employing a catalyst of increased activity, by reacting phenol or 2-alkylphenols with 2-alkyl-1-alkenes and/or 2-aryl-1-alkenes in the liquid phase, optionally in the presence of inert diluents and/or an excess of the alkene, wherein the reaction is carried out in the presence of modified aluminum-containing catalysts obtained by adding small amounts of polyhalophenols, each having at least 3 like or unlike halogen substituents from the group of the elements fluorine, chlorine, and bromine, serving as cocatalysts, to known aluminum trisphenolate catalysts, wherein the molar ratio between the cocatalysts and the aluminum compound is in the range 0.5:1-8:1.The invention also relates to the catalyst for manufacturing the ortho-alkylated phenols, which catalyst is comprised of the (2-alkyl)phenol undergoing alkylation, an organoaluminum compound, and a polyhalophenol as the (or a) cocatalyst.
摘要翻译： 通过使苯酚或2-烷基苯酚与2-烷基-1-烯烃和/或2-芳基-1-烯烃在液相中反应，任选地在惰性存在下，通过使用活性增加的催化剂制备邻位取代的烷基酚的方法 稀释剂和/或过量的烯烃，其中反应在改性的含铝催化剂的存在下进行，所述改性的含铝催化剂通过加入少量的多卤代酚，其各自具有至少3个与卤素取代基相同或不同的元素氟 用作助催化剂的氯和溴与已知的三酚铝催化剂反应，其中助催化剂和铝化合物之间的摩尔比在0.5:1-8:1的范围内。 本发明还涉及用于制造邻烷基化酚的催化剂，该催化剂由正在进行烷基化的（2-烷基）苯酚，有机铝化合物和作为（或a）助催化剂的多卤苯酚组成。
-
2.发明授权Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiols 失效3-叔丁基-3-叔丁基-5-烷基-4-羟基苯基（烷烃）羧酸与多硫醇的乙氧基化物的酯
公开(公告)号：US4906775A
公开(公告)日：1990-03-06
申请号：US122724
申请日：1987-11-18
IPC分类号： C07C67/00 , C07C69/84 , C07C69/88 , C07C313/00 , C07C323/03 , C07C323/11 , C07C323/12 , C07C327/22 , C08K5/10 , C08K5/13 , C08K5/37 , C08K5/375 , C08L23/00 , C09K15/14
CPC分类号： C09K15/14 , C07C321/00 , C08K5/375 , Y10S8/09
摘要： Esters of 3-tert-butyl- and 3-tert-butyl-5-alkyl-4-hydroxyphenyl (alkane) carboxylic acids with oxyethylates of polythiols are useful as stabilizers for polymers, especially for polyethylene and polypropylene.
摘要翻译： 3-叔丁基-3-叔丁基-5-烷基-4-羟基苯基（烷烃）羧酸与聚硫醇的乙氧基化物的酯可用作聚合物的稳定剂，特别是聚乙烯和聚丙烯的稳定剂。
-
3.发明授权Transparent, impact-resistant molding compositions based on polyvinyl chloride 失效基于聚氯乙烯的透明，耐冲击成型组合物
公开(公告)号：US4581414A
公开(公告)日：1986-04-08
申请号：US607074
申请日：1984-05-04
IPC分类号： C08L27/00 , C08L1/00 , C08L27/06 , C08L33/00 , C08L33/02 , C08L33/04 , C08L33/12 , C08L51/00 , C08L51/02 , C08L33/14
摘要： Molding compositions based on polyvinyl chloride contain as the component imparting impact resistance homo- and copolymeric acrylic acid esters of oxethylates of phenol or of substituted phenols, wherein the difference of the indices of refraction n.sub.D.sup.20 (at least 20.degree. C., measured with the Na D line) between the basic polymer and the component imparting impact resistance at most is .+-.0.01; optionally copolymers with other acrylic acid esters can also be used in the molding compositions. The latter are inexpensive to manufacture and, besides transparency and weatherability, also have impact resistance.
摘要翻译： 基于聚氯乙烯的成型组合物含有作为赋予抗冲击性的苯酚或取代苯酚的羟乙基化物的均聚和共聚丙烯酸酯的组分，其中折射率nD20（至少20℃，用Na测量） 基线性聚合物和赋予抗冲击性的成分之间的距离最大为+/- 0.01; 任选地与其它丙烯酸酯的共聚物也可以用于模塑组合物中。 后者制造成本低廉，除了透明性和耐候性外，还具有抗冲击性。
-
公开(公告)号：US4433099A
公开(公告)日：1984-02-21
申请号：US252628
申请日：1981-04-09
IPC分类号： C08F279/00 , C08F279/02
CPC分类号： C08F279/02
摘要： Impact-resistant modified styrene polymers having the characteristics: molecular weight M.sub.v 150,000 to 170,000; gel content exceeding 22%; degree of swelling of 11.5 to 13.5 and a mean gel particle diameter of 1.7 to 4.5 microns are produced by continuously polymerizing a styrene solution of polybutadiene, possibly in the presence of diluents, by means of a cascade consisting of at least three continuous stirred tank reactors, at rising temperatures and in the presence of organic peroxide initiators. The process steps are carried out as follows:(a) in a first continuous stirred tank reactor, a continuously introduced solution of styrene containing from 8 to 10.5% by weight (referred to the amount of input styrene) of polybutadiene rubber with more than 85% of a cis-1,4-structure, is polymerized in the presence of 1 to 7 m moles of an initiator per kilogram of styrene, where the initiator concentration is based upon a peroxide group or an equivalent amount of such with several peroxide groups having a half-life time exceeding 5 and less than 40 hours at 100.degree. C. (measured in benzene), for a residence time of 0.8 to 1.6 hours with shearing at temperatures of about 110.degree. to 140.degree. C., to a solid content of about 28 to 42% by weight;(b) polymerization proceeds after transfer into one, two or three further agitation vessels at temperatures of about 130.degree. to 160.degree. C., for a total residence time of about 1.0 to 1.8 hours, to a solid content of about 60 to 73% by weight;(c) polymerization proceeds after transfer into a further continuous stirred tank reactor at a temperature of about 150.degree. to 175.degree. C. and a dwell time of about 1.2 to 2.5 hours up to a solid content exceeding 75% by weight and a residual initiator content less than 1% by weight of the original amount; and(d) the substance is rid of volatile components at temperatures less than 260.degree. C. under reduced pressure.
-
公开(公告)号：US4153772A
公开(公告)日：1979-05-08
申请号：US798958
申请日：1977-05-20
IPC分类号： C08G61/08 , C08L65/00 , C08F132/04
CPC分类号： C08L65/00 , C08G61/08 , Y10T152/10495
摘要： Vulcanizable polyalkenamer molding compositions comprising: (a) a polyoctenamer having an extensively cyclic structure with a trans-content of 50-70% and a reduced specific viscosity of 0.8-1.7 (dl./g.); and (b) conventional elastomer vulcanizing agents and additives have improved flow properties suitable for thermoplastic molding techniques together with mechanical properties in the vulcanizate comparable to SBR rubber.
摘要翻译： 可硫化的聚炔烃成型组合物，其包含：（a）具有反式含量为50-70％，比粘度降低为0.8-1.7（dl./g）的广泛环状结构的聚辛烯; 和（b）常规弹性体硫化剂和添加剂具有适合于热塑性模塑技术的改进的流动性能以及与SBR橡胶相当的硫化橡胶中的机械性能。
-
公开(公告)号：US3968180A
公开(公告)日：1976-07-06
申请号：US517022
申请日：1974-10-22
CPC分类号： B01J23/36 , B01J23/28 , C07C6/06 , Y02P20/582
摘要： A process for the production of cyclopentene free of C.sub.5 -diene impurities, which comprises metathetically reacting cis,cis-cyclodecadiene-(1,6) with a catalytic amount of a metathesis catalyst comprising a support material and an oxide of an element of Group VI A or VII A of the Periodic Table, at a reaction temperature of from 0.degree.C up to the temperature at which said catalyst decomposes, for a period of time sufficient to form said cyclopentene.
摘要翻译： 一种生产不含C5-二烯杂质的环戊烯的方法，其包括将顺式，顺式 - 环癸二烯 - （1,6）与催化量的复分解催化剂相差反应，包括载体材料和VI族元素的氧化物 A或VIIA在0℃至所述催化剂分解温度的反应温度下反应一段足以形成所述环戊烯的时间。
-
公开(公告)号：US4016220A
公开(公告)日：1977-04-05
申请号：US657621
申请日：1976-02-12
CPC分类号： C07C6/04 , C07C2521/04 , C07C2523/04 , C07C2523/28 , C07C2523/36 , C07C2527/132 , C07C2531/02 , C07C2531/14 , C07C2531/34
摘要： Higher alkenes with a double bond in the 9-position, e.g. 9-tricosene and/or 9-heneicosene, are economically prepared by a metathesis reaction of suitable alkene starting materials.
摘要翻译： 在9位具有双键的高级烯烃，例如。 通过合适的烯烃起始原料的复分解反应经济地制备9-二油和/或9-二十碳烯。
-
公开(公告)号：US5284982A
公开(公告)日：1994-02-08
申请号：US13375
申请日：1993-02-04
CPC分类号： C07C33/26 , B01J31/143 , B01J31/185 , C07C29/44 , B01J2231/20 , B01J2531/847
摘要： The invention relates to a method of cyclooligomerization of 3-hydroxy-1-alkynes having 4-20 C atoms, particularly cyclooligomerization of 3-methyl-1-butyne-3-ol to yield 1,3,5-tris(.alpha.-hydroxyisopropyl)-benzene, with the aid of nickel-containing catalysts formed from a nickel compound, a phosphite of an ortho-substituted phenol, and an organoaluminum compound of formulaA1R.sub.(3-n) X.sub.s,whereR represents alkyl,X represents hydrogen or chlorine, andn=0 or 1,or an alkyllithium or alkylmagnesium compound, in the presence ofan aprotic diluent,(optionally) an unconjugated diene, and(optionally) a portion of the given 3-hydroxy-1-alkyne being oligomerized.
摘要翻译： 本发明涉及具有4-20个C原子的3-羟基-1-炔烃的环烯化反应的方法，特别是3-甲基-1-丁炔-3-醇的环烯化反应，得到1,3,5-三（（α） - 羟基异丙基） - 苯，借助于由镍化合物，邻位取代的苯酚的亚磷酸酯和式AlR（3-n）Xs的有机铝化合物形成的含镍催化剂，其中R表示烷基，X表示 氢或氯，n = 0或1，或烷基锂或烷基镁化合物在非质子稀释剂（任选地）非共轭二烯存在下，和（任选地）一部分给定的3-羟基-1-炔是 低聚。
-
9.发明授权Esters of 3-tert-butyl or 3-tert-butyl-5-alkyl-4-hydroxylphenyl(alkane) carboxylic acids 失效3-叔丁基或3-叔丁基-5-烷基-4-羟基苯基（烷烃）羧酸的酯
公开(公告)号：US4912249A
公开(公告)日：1990-03-27
申请号：US123425
申请日：1987-11-18
IPC分类号： C07C69/017 , C07B61/00 , C07C67/00 , C07C69/612 , C07C69/76 , C07C313/00 , C07C317/22 , C07C319/20 , C07C323/20 , C08K5/00 , C08K5/10 , C08K5/134 , C08L23/00 , C09K15/08 , C09K15/14
CPC分类号： C08K5/1345 , C08K5/005
摘要： Useful for the stabilization of polymers, especially polypropylene and polyethylene are esters of 3-tert-butyl or 3-tert-butyl-5-alkyl-4-hydroxyphenyl(alkane) carboxylic acids with oxethylates of bis-(4- or 2-hydroxyphenyl) alkanes, oxides, sulfides or sulfones, with oxethylates of tris-(4-hydroxyphenyl) alkanes, or with oxethylates of 1,3,5-tris-(4-hydroxyphenyl isopropylidene) aryls, the oxethylate preferably comprising a hydroxyethoxy group substituted for each hydroxyl group.
摘要翻译： 可用于聚合物，特别是聚丙烯和聚乙烯的稳定化是3-叔丁基或3-叔丁基-5-烷基-4-羟基苯基（烷烃）羧酸与双 - （4-或2-羟基苯基） ）烷基，氧化物，硫化物或砜与三 - （4-羟基苯基）烷烃的氧乙酸酯或与1,3,5-三 - （4-羟基苯基异丙叉基）芳基的氧乙基化物，氧乙基酯优选包含羟基乙氧基取代 每个羟基。
-
公开(公告)号：US5091594A
公开(公告)日：1992-02-25
申请号：US625400
申请日：1990-12-11
CPC分类号： C07C37/14
摘要： For producing 2,6-di-tert-butylphenol and products therefrom, utilizing small quantities of aluminum tris-(2-tert-butylphenolate as a catalyst by reaction of 2-tert-butylphenol with isobutene in the liquid phase, the reaction is performed in the presence of diluents such as liquid saturated aliphatic or cycloaliphatic hydrocarbons, C.sub.5 -C.sub.16 alkenes of formula R.sub.1 --CH.dbd.CH.sub.2 or R.sub.2 --CH.dbd.CH--R.sub.3, C.sub.5 to C.sub.12 cycloalkenes, which contain no branching on the C.dbd.C-bond, excess isobutene or mixtures thereof, at temperatures of 0.degree. C. to 80.degree. C., pressures of 0.1 to 11 bars and catalyst amounts of 0.005 to 5 mol %, based on 2-tert-butylphenol. High conversions are obtained with few undesirable trialkylated products.
摘要翻译： 为了制备2,6-二叔丁基苯酚及其产物，使用少量的三 - （2-叔丁基苯酚）铝作为催化剂，通过2-叔丁基苯酚与异丁烯在液相中反应，进行反应 在稀释剂如液体饱和脂族或脂环族烃存在下，式R 1 -CH = CH 2或R 2 -CH = CH-R 3的C5-C16烯烃，C = C键上不含支链的C 5 -C 12环烯烃 ，过量异丁烯或其混合物，在0℃至80℃的温度下，0.1至11巴的压力和0.005至5摩尔％的催化剂量，基于2-叔丁基苯酚，获得高转化率，少量 不希望的三烷基化产物。
-
-
-
-
-
-
-
-
-
搜索结果
12 条记录 (耗时 0.012 秒)
