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1. 发明专利

RU2209213C1 СПОСОБ ПОЛУЧЕНИЯ БУТИЛКАУЧУКА 未知
公开(公告)号：RU2209213C1
公开(公告)日：2003-07-27
申请号：RU2002108302
申请日：2002-04-01
申请人： NIZHNEKAMSKNEFT AOOT , EKHIM , NII JARSINTEZ AOOT
发明人： DOBROVINSKIJ V E , KOMAROV S M , BESPALOV V P , SAL NIKOV S B , BUSYGIN V M , MUSTAFIN KH V , RJAZANOV JU I , SHIJAPOV R T , SHAMSUTDINOV V G , ISHTERJAKOV A D , GIL MULLIN R A , JAKUSHEV JU N , SOFRONOVA O V
IPC分类号： C08F210/12

2. 发明专利

RU2200168C2 BUTYL RUBBER MANUFACTURE PROCESS 未知
公开(公告)号：RU2200168C2
公开(公告)日：2003-03-10
申请号：RU2001109134
申请日：2001-04-05
申请人： EKHIM , NIZHNEKAMSKNEFT AOOT
发明人： SHCHERBAN G T , SHIJAPOV R T , SHAMSUTDINOV V G , JAKUSHEV JU N , GAVRIKOV V N , KHABIBULLIN R KH , KHAKIMOV R G , KHASANOV N T
IPC分类号： C08F210/12
摘要： FIELD: rubber industry. SUBSTANCE: butyl rubber is manufactured by isobutylene/isoprene copolymerization in methyl chloride medium in presence of aluminum chloride added in methyl chloride solution. Process involves preparation of polymerization blend, degassing of rubber, drying of rubber, and processing of recycled products. Mooney viscosity of butyl rubber during the process is stabilized by varying concentration of catalyst in methyl chloride within a range of 0.015 to 0.125 wt % and value of solid residue of rubber dispersion is maintained on specified level by varying dosage of catalyst within a range of 0.015 to 0.035% of the weight of isobutylene. EFFECT: increased controllability of process and homogeneity of rubber and reduced expenses on power and raw material. 4 dwg, 9 ex

3. 发明专利

RU2184745C1 BUTYL RUBBER PRODUCTION PROCESS 未知
公开(公告)号：RU2184745C1
公开(公告)日：2002-07-10
申请号：RU2001111536
申请日：2001-04-26
申请人： NIZHNEKAMSKNEFT AOOT , EKHIM
发明人： SHCHERBAN G T , SHIJAPOV R T , SHAMSUTDINOV V G , KHAFIZOV A V , KHABIBULLIN R KH , JAKUSHEV JU N , KHAKIMOV R G , KHASANOV N T
IPC分类号： C08F210/12
摘要： rubber industry. SUBSTANCE: in a butyl rubber production process by isobutylene/isoprene copolymerization involving preparation of polymerization blend from recycle products, isobutylene, and isoprene, cooling of blend by evaporating cold-transfer agents in coolers and heating of cold-transfer agents for periodical removal of ice layer, deactivation of catalyst, degassing, drying of rubber, and processing of recycle products, polymerization blend is supplied for cooling by two streams into in-parallel disposed cooler cascades, one of the streams being cooled to minimum allowed temperature and temperature of the second stream being varied within specified limits, whereas cooler cascades installed on each stream are alternatively heated. Heating of cooler cascade is accomplished by blowing cooler cascade by recycle products, diluent, solvent, or by their vapors by transferring the latter into butyl rubber degassing system. When heating one of the cooler cascades, total blend loading is not changed. If necessary, heating of cooler cascade is performed by consecutive heating of any cooler of this cascade. EFFECT: enhanced process efficiency, reduced power consumption, and improved quality of butyl rubber. 3 cl, 2 dwg, 1 tbl, 6 ex

4. 发明专利

RU2184124C1 METHOD OF STABILIZATION OF BUTYLRUBBER 未知
公开(公告)号：RU2184124C1
公开(公告)日：2002-06-27
申请号：RU2000129850
申请日：2000-11-28
申请人： NIZHNEKAMSKNEFT AOOT , EKHIM
发明人： SHIJAPOV R T , SHAMSUTDINOV V G , GAVRIKOV V N , JAKUSHEV JU N , SOFRONOVA O V , ZIJATDINOV A SH
IPC分类号： C08F210/12 , C08F6/10 , C08K5/13 , C08L23/22
摘要： rubber industry, chemical technology. SUBSTANCE: main problem in methods of synthesis of unsaturated rubbers, among them and butylrubber, is the selection and addition of antioxidants in the process of synthesis of rubber that ensures to obtain colorless rubber exhibiting the resistance in storage and processing. Invention proposes a method of stabilization of butylrubber involving the addition a stabilizing agent for degassing where butylated product of interaction of para-cresol with dicyclopentadiene (Wingstay-L) with molecular mass 550-750 Da taken in the amount 0.2-1.5 kg/t is used in a mixture of fatty acid salt and metal of the 2-d group of periodic system at the ratio Wingstay-L : fatty acid salt = 0.015-0.3. Feeding fatty acid salt to rubber crumbs before addition of an antioxidant to its is possible. EFFECT: improved method of stabilization. 2 cl, 1 tbl

5. 发明专利

RU2156263C1 СПОСОБ СТАБИЛИЗАЦИИ БУТИЛКАУЧУКА 未知
公开(公告)号：RU2156263C1
公开(公告)日：2000-09-20
申请号：RU99122854
申请日：1999-11-01
申请人： EKHIM , NIZHNEKAMSKNEFT AOOT
发明人： MUKMENEVA N A , CHEREZOVA E N , ZIJATDINOV R N , SHIJAPOV R T , SHAMSUTDINOV V G , JAKUSHEV JU N , GAVRIKOV V N , SOSNOVSKAJA L B , SOFRONOVA O V , ZIJATDINOV A SH , ISHTERJAKOV A D
IPC分类号： C08F210/12 , C08F6/12

6. 发明专利

RU2190592C1 СПОСОБ ПОЛУЧЕНИЯ АНТИАГЛОМЕРАТОРА 未知
公开(公告)号：RU2190592C1
公开(公告)日：2002-10-10
申请号：RU2001119766
申请日：2001-07-16
申请人： NIZHNEKAMSKNEFT AOOT , EKHIM
发明人： JAKUSHEV JU N , GAVRIKOV V N , KHAKIMOV R G , KHABIBULLIN R KH , MUKHAMETZJANOV I V , SOFRONOVA O V , MOROZOVA G V
IPC分类号： C07C51/41 , C08C2/06 , C08K5/095

7. 发明专利

RU2155195C1 BUTYL RUBBER PRODUCTION PROCESS 未知
公开(公告)号：RU2155195C1
公开(公告)日：2000-08-27
申请号：RU99126023
申请日：1999-12-08
申请人： NIZHNEKAMSKNEFT AOOT , EKHIM
发明人： SHCHERBAN G T , SHIJAPOV R T , MUSTAFIN KH V , SHAMSUTDINOV V G , GAVRIKOV V N , JAKUSHEV JU N , JAKOVLEV A M , NIKIN V A
IPC分类号： C08F210/12
摘要： rubber industry. SUBSTANCE: in a butyl rubber production process involving isobutylene-isoprene copolymerization in solution or dispersion in hydrocarbon solvent in presence of Friedel-Crafts catalyst also including preparation and deactivation of catalyst, stabilization of polymer with antioxidant, water degassing of rubber, processing of return products, preparation of charge mixture, and drying of rubber, catalyst solution is introduced into reaction zone by two streams. First stream containing 50- 85% of total catalyst intake is fed into lower part of reaction zone and stabilized at specified level. The second stream, fed into upper part of reaction zone, contains 15 to 50% of the total catalyst intake in dependence on Mooney viscosity of rubber, this stream being directed at angle 30-65 deg to radial cross-section of reactor. Feed rate of cat solution is advantageously maintained between 0.5 and 5.0 m/s. EFFECT: increased reactor run and improved quality of rubber and performance characteristics of rubber production. 2 cl, 1 dwg, 5 tbl, 14 ex

8. 发明专利

RU2176250C1 METHOD OF PROCESSING RETURN PRODUCTS OF BUTYL RUBBER PRODUCTION 未知
公开(公告)号：RU2176250C1
公开(公告)日：2001-11-27
申请号：RU2000127008
申请日：2000-10-27
申请人： EKHIM , NIZHNEKAMSKNEFT AOOT
发明人： SHCHERBAN G T , BUSYGIN V M , SHIJAPOV R T , SHAMSUTDINOV V G , SHAMANSKIJ V A , JAKUSHEV JU N , KHAKIMOV R G
IPC分类号： C08F210/12
摘要： production of butyl rubber; processing return products of butyl rubber production. SUBSTANCE: proposed method consists in processing return products which include mixture of vapors of isobutylene, isoprene and methyl chloride removed from stage of degassing of butyl rubber dispersion obtained at low-temperature catalytic copolymerization of isobutylene with isoprene in methyl chloride medium which includes compression of vapors, condensation of these vapors and rectification of hydrocarbons at separation of methyl chloride for preparation of solution of catalyst, methyl chloride isobutylene fraction and return isobutylene for polymerized charge; compressed vapors of hydrocarbons are divided into two flows which are first directed for separation of methyl chloride isobutylene fraction containing 1 to 3 mass-% of isobutylene; one flow is directed for rectification in gaseous state; second flow of hydrocarbon vapors is subjected to condensation, after which it is directed for rectification in liquid state and 15 to 25 % of overhead methyl chloride isobutylene fraction are directed for separation of methyl chloride which is fed for preparation of catalyst solution; remaining part of distilled fraction is fed for preparation of polymerized charge; preset content of isobutylene in methyl chloride isobutylene fraction is stabilized through change of takeoff of bottoms liquid and/or change of ratio of gaseous and liquid flows supplied for separation of methyl chloride isobutylene fraction. Gaseous flow of hydrocarbons directed for separation of methyl chloride isobutylene fraction is maintained within 30 to 50% of total mass of hydrocarbons. EFFECT: considerable reduction of content of isobutylene in methyl chloride for catalyst solution; reduced power requirements; enhanced homogeneity of rubber. 2 cl, 1 dwg

9. 发明专利

RU2158272C1 METHOD OF PREPARING BUTYL RUBBER 未知
公开(公告)号：RU2158272C1
公开(公告)日：2000-10-27
申请号：RU99111212
申请日：1999-05-27
申请人： EKHIM , NIZHNEKAMSKNEFT AOOT
发明人： SHCHERBAN G T , SHIJAPOV R T , SHAMSUTDINOV V G , MUSTAFIN KH V , ZIJATDINOV A SH , ISHTERJAKOV A D , JAKUSHEV JU N , GAVRIKOV V N
IPC分类号： C08F210/12
摘要： preparation of butyl rubber used for manufacture of outhomobile chambers, rubber products and halobutyl rubber. SUBSTANCE: method comprises preparing isobutylene, preparing blend and copolymerizing isobutylene with isoprene in methyl chloride diluent in the presence of Friedelcrafts catalyst, deactivating catalyst, degassing rubber, processing unpolymerized monomers and diluent by condensation, compression, drying and rectification, isolating and drying the rubber. Method comprises separating isobutylene which contains isoprene, isobutylene dimers and heavy residue into two flows, first flow, in amount of 30-70% based on total weight is directed to prepare blend, and second flow, in amount of 70-30% based on total weight, is directed for removal of butenes and butadiene in combination with isobutylene- containing fraction of hydrocarbons in process for preparing isobutylene. Isobutylene is isolated by rectification in two stages. EFFECT: lower power consumption and improved quality of rubber. 2 cl, 12 ex, 1 dwg

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