Beijing Research Institute Of Chemical Industry, China Petroleum & Chemical Corporation Patent applications |
Patent application number | Title | Published |
20160136635 | METAL LOADED CATALYST AND PREPARATION METHOD THEREOF - A metal loaded catalyst comprises a support and main active metal components and optional auxiliary active metal components, wherein the main active metal components are elementary substances and obtained by ionizing radiation reducing precursors of main active metal components. The catalyst can be widely used in the catalytic reactions of petrochemistry industry with high activity and selectivity. The catalyst can be used directly without being reduced preliminarily by hydrogen. | 05-19-2016 |
20160115285 | POLYETHYLENE COMPOSITIONS AND FILMS FORMED THEREFROM - A polyethylene composition comprising an ethylene/α-olefin copolymerized linear low density polyethylene, wherein the polyethylene composition has a Mw of from 100,000 g/mol to 200,000 g/mol, a Mw/Mn of from 4.0 to 9.0, a Mz/Mw of from 4.0 to 7.0, and a Mz+1/Mw of from 4.5 to 13.5, is provided. A film formed of the polyethylene composition is also provided. | 04-28-2016 |
20160023168 | COMPLEX NANOFILTRATION MEMBRANE AND THE PREPARATION THEREOF - A complex nanofiltration membrane comprising a substrate and a separating layer, wherein the separating layer is an oxidant-treated, crosslinked network structure formed from a hydroxyl-containing polymer, a thiol-containing silane coupling agent and a crosslinking agent, is disclosed. Also disclosed are a process for preparing the complex nanofiltration membrane and use of the complex nanofiltration membrane in water treatment. | 01-28-2016 |
20150158961 | SUSPENSION OF SOLID CATALYST COMPONENT USED IN PROPYLENE POLYMERIZATION, METHOD OF PREPARING THE SAME, AND METHOD OF PROPYLENE POLYMERIZATION - The present disclosure provides a suspension of a solid catalyst component used in propylene polymerization and a method for preparing the same. The suspension includes the solid catalyst component and a liquid medium containing propylene and an alkane, and is preferably prepared by mixing the solid catalyst component and the alkane to obtain a mixed slurry, which is further mixed with liquid propylene. Using of a proper liquid dispersing agent at a proper proportion and amount enables the solid catalyst component to be more homogeneously dispersed, thus preventing the phenomenon of agglomeration in the polymerization process without using a large amount of the dispersing agent or any additional mixer. The present disclosure further provides a method of propylene polymerization, including feeding the suspension into a reaction system of propylene polymerization, wherein propylene polymerization is initiated under polymerization conditions. | 06-11-2015 |
20150152204 | CATALYSTS FOR OLEFIN POLYMERIZATION, PROCESSES FOR PREPARATION THEREOF AND PROCESSES FOR OLEFIN POLYMERIZATION - The present disclosure provides catalysts for olefin polymerization comprising titanium, silicon, magnesium, phosphorus, at least one internal electron donor compound, and at least one halogen, processes for preparing the catalysts for olefin polymerization, and processes for olefin polymerization using the catalysts for olefin polymerization. | 06-04-2015 |
20150119528 | FUNCTIONAL DIENE POLYMER, PREPARATION METHOD THEREOF, AND RUBBER COMPOSITION COMPRISING THE SAME - The present invention provides a functional diene polymer, a preparation method thereof and a rubber composition comprising the functional diene polymer. The functional diene polymer comprises at least one type of conjugated diene structural units and silane coupler functional units represented by formula (I) in its molecular chain, and the number-average molecular weight of the functional diene polymer is 50,000˜1,000,000; R | 04-30-2015 |
20140316087 | CATALYST COMPOSITION AND PROCESS FOR ETHYLENE OLIGOMERIZATION - The present disclosure provides a catalyst composition for ethylene oligomerization including an imino ferrous complex shown in Formula (I) as the main catalyst, an aluminum-containing cocatalyst, water, and an organic solvent: | 10-23-2014 |
20140296439 | MODIFIED RUBBER MASTERBATCH, AND RUBBER COMPOSITION AND VULCANIZED RUBBER PRODUCED THEREFROM, AND THE PREPARATION PROCESSES FOR THEM - The present application relates to a modified rubber masterbatch and preparation method thereof, rubber composition prepared therewith and vulcanized rubber and preparation method thereof. The modified rubber component comprises uncrosslinked rubber and rubber particles having crosslinked structure dispersed therein, wherein the rubber particles having crosslinked structure are synthetic rubber particles and/or natural rubber particles, have an average particle size of 20-500 nm and a gel content of 60% by weight or higher, and wherein the uncrosslinked rubber is styrene-butadiene rubber. The weight ratio of the rubber particles having crosslinked structure to the uncrosslinked rubber is greater than 20:80 and less than or equal to 80:20. The rubber composition comprises a blend of modified rubber component and base rubber, in which the modified rubber masterbatch is present in an amount of 1 to 70 parts by weight, relative to per 100 parts by weight of the base rubber. The vulcanized rubber of the rubber composition has not only low rolling resistance and excellent wet skid resistance, but also excellent wear resistance, and thus can be used for producing high performance tread rubber. | 10-02-2014 |
20140163185 | CATALYST COMPONENT FOR OLEFIN POLYMERIZATION, PREPARATION METHOD THEREFOR AND CATALYST THEREOF - A catalyst component (A) for olefin polymerization is prepared by contacting a solid component (a) containing magnesium, titanium, halogen and an internal electron donor compound with an organosilicon compound (b), wherein the organosilicon compound (b) is one or more selected from a Si—H functional group containing chainlike polysiloxane (b1) represented by formula (I | 06-12-2014 |
20140058044 | POLYBUTADIENE GRAFTED ISOPRENE RUBBER, PROCESSES FOR PREPARING POLYBUTADIENE GRAFTED ISOPRENE RUBBER, MIXED COMPOSITIONS AND VULCANIZED FORMS THEREOF - Disclosed herein are polybutadiene grafted isoprene rubber, processes for preparing polybutadiene grafted isoprene rubber, mixed compositions and vulcanized forms thereof. | 02-27-2014 |
20130317176 | POLYISOPRENE, PREPARATION METHOD THEREOF, POLYISOPRENE RUBBER COMPOUNDS AND VULCANIZATE THEREFROM - The method for preparation of polyisoprene includes conducting polymerization reaction of isoprene in a first organic solvent under the presence of rare earth catalyst I and rare earth catalyst II, to obtain polyisoprene with bimodal molecular weight distribution, wherein the polymerization reaction conditions are controlled to ensure the peak molecular weight of the high molecular weight component fraction in the polyisoprene is 1×10 | 11-28-2013 |
20130225773 | CATALYST COMPONENT FOR OLEFIN POLYMERIZATION REACTION AND CATALYST THEREOF - A catalyst component for olefin polymerization which contains magnesium, titanium, halogen and electron donors is provided in the present invention. The electron donors are selected from at least one succinate compounds of following general formula (I), and the content of said succinate compounds with the structure as shown in Formula (II) in said succinate compounds (I) is less than 100%, but not less than 51.0 wt %. Compared with the mesomer whose content with the structure as shown in Formula (II) is 100%, the catalyst component provided by the present invention not only greatly decreases the manufacturing cost, but also improves certain properties of the catalyst, for example the molecular weight distribution of polymer obtained by catalytic reaction using said catalyst is wider, which is beneficial for improving processing properties of polymers. The corresponding catalyst is also provided. | 08-29-2013 |
20130041130 | TRANSPARENT COPOLYESTER, PREPARING METHOD THEREOF AND ARTICLES MADE FROM THE SAME - The present invention relates to a transparent copolyester, wherein the transparent copolyester comprises an aliphatic-aromatic copolyester segment A, a segment B having repeating units —O—CH(CH | 02-14-2013 |
20120329924 | Biodegradable Composite, The Preparation Process Thereof, And A Disposable Article Made Therefrom - The present invention relates to a biodegradable composite and its preparation process, which composite is prepared by mixing feed stocks comprising a polylactic acid, an aliphatic-aromatic copolyester A, an aliphatic-aromatic copolyester B and an organic peroxide at a temperature between about 100 and about 200° C. The present invention also relates to a disposable article, which is prepared from said biodegradable composite. | 12-27-2012 |
20120083613 | ALUMINA SUPPORT FOR SILVER CATALYST, PREPARATION AND USE THEREOF - The present invention relates to an alumina support for silver catalyst, a process for preparing said alumina support, a silver catalyst made from said alumina support, and a use of said silver catalyst in the production of ethylene oxide by the oxidization of ethylene. According to the present invention, the silver catalyst made from the support prepared by potassium melt technology can have a high selectivity. | 04-05-2012 |
20120065055 | SUPPORT FOR SILVER CATALYST IN ETHYLENE OXIDE PRODUCTION, METHODS FOR PREPARING THE SAME, SILVER CATALYST PREPARED THEREFROM, AND USE THEREOF - The present invention relates to a support for silver catalyst used in the ethylene oxide production, a preparation method for the same, a silver catalyst prepared from the same, and its use in the ethylene oxide production. The silver catalyst produced from the silver catalyst support has an improved activity, stability and/or selectivity in the production of ethylene oxide by epoxidation of ethylene. | 03-15-2012 |