专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20050272891A1 Double loop technology 审中-公开
标题翻译：双环技术
公开(公告)号：US20050272891A1
公开(公告)日：2005-12-08
申请号：US11057715
申请日：2005-02-14
申请人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , Andre Lewalle , Marc Auwera , Frans Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
发明人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , Andre Lewalle , Marc Auwera , Frans Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
IPC分类号： B01J8/00 , B01J8/20 , B01J19/18 , C08F2/00 , C08F10/00 , C08F210/16 , G05B1/00 , G05D1/00 , G05D11/13
CPC分类号： B01J8/20 , B01J8/0035 , B01J19/1837 , B01J2208/00548 , B01J2208/00752 , C08F10/00 , C08F210/16 , G05D11/132 , C08F2/01 , C08F2/14 , C08F2/06 , C08F2/001 , C08F210/14 , C08F2500/12 , C08F2500/18 , C08F2500/04 , C08F2500/23
摘要： The present invention relates to an apparatus and process for polymerizing olefins. One embodiment comprises polymerizing at least one monomer in a first loop reactor in the presence of a catalyst to produce a first polyolefin fraction. A portion of the first polyolefin fraction is transferred to a second loop reactor, connected in series with the first loop reactor. The process further comprises polymerizing in the second loop reactor at least one monomer in the presence of a catalyst to produce a second polyolefin fraction in addition to the first polyolefin fraction. The combination of the first and second polyolefin fractions can produce a polymer resin fluff having bimodal molecular weight distribution.
摘要翻译：本发明涉及一种聚合烯烃的装置和方法。一个实施方案包括在催化剂存在下在第一环管反应器中聚合至少一种单体以产生第一聚烯烃级分。将第一聚烯烃部分的一部分转移到与第一回路反应器串联连接的第二回路反应器。该方法还包括在催化剂存在下在第二环管反应器中聚合至少一种单体，以产生除第一聚烯烃级分之外的第二聚烯烃级分。第一和第二聚烯烃级分的组合可产生具有双峰分子量分布的聚合物树脂绒毛。

2. 发明申请

US20090143546A1 Double Loop Technology 审中-公开
标题翻译：双回路技术
公开(公告)号：US20090143546A1
公开(公告)日：2009-06-04
申请号：US12243346
申请日：2008-10-01
申请人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , Andre Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
发明人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , Andre Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
IPC分类号： C08F2/01 , C08F110/02
CPC分类号： B01J8/20 , B01J8/0035 , B01J19/1837 , B01J2208/00548 , B01J2208/00752 , C08F10/00 , C08F210/16 , G05D11/132 , C08F2/01 , C08F2/14 , C08F2/06 , C08F2/001 , C08F210/14 , C08F2500/12 , C08F2500/18 , C08F2500/04 , C08F2500/23
摘要： A method for controlling the injection of catalyst slurry in a polymerization reactor is described herein. The method includes the preparation of polyethylene with a solid catalyst and a hydrocarbon diluents. The method includes providing solid catalyst and a hydrocarbon diluent in one or more storage vessels such that a catalyst slurry is obtained in said vessel, transferring said catalyst slurry from said storage vessel to a mixing vessel wherein said catalyst slurry is diluted for obtaining a suitable concentration for use in a polymerization reaction, pumping said diluted catalyst slurry at a controlled flow rate from said mixing vessel to said polymerization reactor through one or more conduits, by means of a membrane pump provided in each of said conduits, and the membrane pump is controllable as a function of reactant concentration within the polymerization reactor.
摘要翻译：本文描述了控制聚合反应器中催化剂浆料注入的方法。该方法包括用固体催化剂和烃稀释剂制备聚乙烯。该方法包括在一个或多个储存容器中提供固体催化剂和烃稀释剂，使得在所述容器中获得催化剂浆料，将所述催化剂浆料从所述储存容器转移到混合容器中，其中所述催化剂浆料被稀释以获得合适的浓度用于聚合反应中，通过设置在每个所述管道中的膜泵将所述稀释的催化剂浆料以受控的流速从所述混合容器泵送到所述聚合反应器，通过一个或多个导管，并且所述膜泵是可控的作为聚合反应器内反应物浓度的函数。

3. 发明申请

US20130345374A1 Double Loop Technology 有权
标题翻译：双回路技术
公开(公告)号：US20130345374A1
公开(公告)日：2013-12-26
申请号：US13917795
申请日：2013-06-14
申请人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , Andre Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
发明人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , Andre Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
IPC分类号： C08F2/01
CPC分类号： C08F110/02 , B01J8/0015 , B01J2208/00548 , C08F2/005 , C08F2/01 , C08F10/02 , C08F210/16 , Y10S526/919 , Y10T137/85978 , Y10T137/86035 , C08F2/14 , C08F210/14 , C08F2500/04 , C08F2500/12 , C08F2500/18 , C08F210/08 , C08F2/001
摘要： A method for the copolymerization of ethylene and a C3+ olefin in a loop reactor and polymers formed therefrom are described herein. The method generally includes introducing an ethylene monomer, a C3+ olefin and a diluent carrier liquid into a loop reactor. A catalyst system can be supplied to said loop reactor. The diluent liquid, ethylene monomer, and C3+ olefin can be circulated through said loop reactor, while copolymerizing said ethylene and C3+ olefin in the presence of said catalyst system to produce a slurry. The slurry can be diverted into a settling leg, and sequentially discharged therefrom and withdrawn from said loop reactor. An ethylene monomer co-feed can be introduced into said loop reactor at spaced locations downstream of the ethylene and diluent. The ethylene co-feed can be introduced in an amount effective to reduce the variation in the ratio of ethylene and C3+ olefin.
摘要翻译：本文描述了环管式反应器中乙烯与C 3+烯烃的共聚方法及其形成的聚合物。该方法通常包括将乙烯单体，C 3+烯烃和稀释剂载体液体引入环管反应器。催化剂体系可以供应到所述环管反应器。稀释液体，乙烯单体和C3 +烯烃可以在所述环管反应器中循环，同时在所述催化剂体系存在下共聚所述乙烯和C 3+烯烃以产生浆料。浆料可以转移到沉降腿中，并且顺序地从其中排出并从所述环管反应器中取出。可以在乙烯和稀释剂下游的间隔位置将乙烯单体共进料引入所述环管反应器。可以以有效减少乙烯和C 3+烯烃的比例变化的量引入乙烯共进料。

4. 发明授权

US08492489B2 Double loop technology 有权
标题翻译：双环技术
公开(公告)号：US08492489B2
公开(公告)日：2013-07-23
申请号：US12862655
申请日：2010-08-24
申请人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , André Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
发明人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , André Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
IPC分类号： C08F2/12 , B01J19/18
CPC分类号： C08F110/02 , B01J8/0015 , B01J2208/00548 , C08F2/005 , C08F2/01 , C08F10/02 , C08F210/16 , Y10S526/919 , Y10T137/85978 , Y10T137/86035 , C08F2/14 , C08F210/14 , C08F2500/04 , C08F2500/12 , C08F2500/18 , C08F210/08 , C08F2/001
摘要： A method for the copolymerization of ethylene and a C3+ olefin copolymer in a loop reactor system and polymers formed therefrom are described herein. The method generally includes introducing an ethylene monomer, a C3+ alpha olefin comonomer and a diluent carrier liquid into a reactor system comprising at least one loop reactor; supplying at least one polymerization catalyst system to said reactor system; circulating said diluent liquid, ethylene monomer, and alpha olefin copolymer through said loop reactor while copolymerizing said ethylene and said alpha olefin monomer in the presence of said catalyst system to produce a slurry of polymer fluff particles in said diluent carrier liquid; diverting the flow of said slurry through said loop reactor into at least one settling leg connected to the loop reactor and sequentially discharging the settled polymer slurry from said at least one settling leg to withdraw said polymer slurry from said reactor system; and introducing an ethylene monomer co-feed into said loop reactor at least two spaced locations downstream of the point of introduction of ethylene comonomer and diluent in subparagraph a), said ethylene co-feed being introduced in an amount effective to reduce the variation in the ratio of ethylene monomer and comonomer within said loop reactor.
摘要翻译：本文描述了环管反应器系统中乙烯与C 3+烯烃共聚物共聚合的方法及由其形成的聚合物。该方法通常包括将乙烯单体，C 3+α-烯烃共聚单体和稀释剂载体液体引入到包含至少一个环管反应器的反应器系统中; 向所述反应器系统供应至少一种聚合催化剂体系; 在所述催化剂体系的存在下使所述乙烯和所述α-烯烃单体共聚合，从而通过所述环管反应器循环所述稀释液体，乙烯单体和α-烯烃共聚物，以在所述稀释剂载体液体中产生聚合物绒毛颗粒的浆料; 将所述浆料的流动通过所述环管反应器转移到连接到环管反应器的至少一个沉降腿中，并且从所述至少一个沉降腿顺序排出沉降的聚合物浆料以从所述反应器系统中抽出所述聚合物浆料; 并且在乙烯共聚单体和稀释剂在a）部分引入点下游的至少两个间隔位置处将乙烯单体共进料引入所述环管反应器中，所述乙烯共进料以有效减少乙烯单体和共聚单体在所述环管反应器内的比例。

5. 发明申请

US20120053304A1 Double Loop Technology 有权
标题翻译：双回路技术
公开(公告)号：US20120053304A1
公开(公告)日：2012-03-01
申请号：US12862655
申请日：2010-08-24
申请人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , André Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
发明人： Louis Fouarge , Eric Damme , Olivier Miserque , Daniel Siraux , Philippe Bodart , André Lewalle , Marc Van der Auwera , Frans Van den Brande , Giacomo Conti , Hugo Vandaele , Mark Verleysen , Carl Van Camp , Etienne Laurent , Philippe Marechal , Marc Moers , Leopold D'Hooghe , Marjan Sillis , Kai Hortman , Pascal Folie , Renaud Oreins
IPC分类号： C08F2/38
CPC分类号： C08F110/02 , B01J8/0015 , B01J2208/00548 , C08F2/005 , C08F2/01 , C08F10/02 , C08F210/16 , Y10S526/919 , Y10T137/85978 , Y10T137/86035 , C08F2/14 , C08F210/14 , C08F2500/04 , C08F2500/12 , C08F2500/18 , C08F210/08 , C08F2/001
摘要： A method for the copolymerization of ethylene and a C3+ olefin copolymer in a loop reactor system and polymers formed therefrom are described herein. The method generally includes introducing an ethylene monomer, a C3+ alpha olefin comonomer and a diluent carrier liquid into a reactor system comprising at least one loop reactor; supplying at least one polymerization catalyst system to said reactor system; circulating said diluent liquid, ethylene monomer, and alpha olefin copolymer through said loop reactor while copolymerizing said ethylene and said alpha olefin monomer in the presence of said catalyst system to produce a slurry of polymer fluff particles in said diluent carrier liquid; diverting the flow of said slurry through said loop reactor into at least one settling leg connected to the loop reactor and sequentially discharging the settled polymer slurry from said at least one settling leg to withdraw said polymer slurry from said reactor system; and introducing an ethylene monomer co-feed into said loop reactor at least two spaced locations downstream of the point of introduction of ethylene comonomer and diluent in subparagraph a), said ethylene co-feed being introduced in an amount effective to reduce the variation in the ratio of ethylene monomer and comonomer within said loop reactor.
摘要翻译：本文描述了环管反应器系统中乙烯与C 3+烯烃共聚物共聚合的方法及由其形成的聚合物。该方法通常包括将乙烯单体，C 3+α-烯烃共聚单体和稀释剂载体液体引入到包含至少一个环管反应器的反应器系统中; 向所述反应器系统供应至少一种聚合催化剂体系; 在所述催化剂体系的存在下使所述乙烯和所述α-烯烃单体共聚合，从而通过所述环管反应器循环所述稀释液体，乙烯单体和α-烯烃共聚物，以在所述稀释剂载体液体中产生聚合物绒毛颗粒的浆料; 将所述浆料的流动通过所述环管反应器转移到连接到环管反应器的至少一个沉降腿中，并且从所述至少一个沉降腿顺序排出沉降的聚合物浆料以从所述反应器系统中抽出所述聚合物浆料; 并且在乙烯共聚单体和稀释剂在a）部分引入点下游的至少两个间隔位置将乙烯单体共进料引入所述环管反应器中，所述乙烯共进料以有效减少乙烯单体和共聚单体在所述环管反应器内的比例。

6. 发明申请

US20080119622A1 Olefin Polymerization Process in the Presence of an Anti-Fouling Agent 失效
标题翻译：抗结垢剂存在下的烯烃聚合方法
公开(公告)号：US20080119622A1
公开(公告)日：2008-05-22
申请号：US10587109
申请日：2005-02-08
申请人： Olivier Miserque , Daniel Siraux , Philippe Bodart
发明人： Olivier Miserque , Daniel Siraux , Philippe Bodart
IPC分类号： C08F2/00
CPC分类号： C09D171/02 , C08F210/16 , C08F2/001 , C08F2/14 , C08F4/22 , C08F2/005 , C08L2666/04 , C08F210/14 , C08F2500/12 , C08F2500/19 , C08F2500/04 , C08F2500/18 , C08F2500/13
摘要： An olefin polymerisation process carried out in the presence of an anti-fouling agent and a chromium-type catalyst or Ziegler Natta catalyst; characterised in that the anti-fouling agent comprises an anti-fouling polymer having an average molecular weight (Mw) of greater than 1000 daltons and containing: (1) one or more blocks —(CH2—CH2—O)k— where each k is in the range from 1 to 50; and (2) one or more blocks —(CH2—CH(R)—(O)n where R comprises an alkyl group having from 1 to 6 carbon atoms and each n is in the range from 1 to 50, and terminated by a R′ and a R″ end groups, wherein R′ is OH or an alkoxy having from 1 to 6 carbon atoms and R″ is H or an alkyl having from 1 to 6 carbon atoms.
摘要翻译：烯烃聚合方法在防结垢剂和铬型催化剂或齐格勒纳塔催化剂存在下进行; 其特征在于防结垢剂包含平均分子量（Mw）大于1000道尔顿的防污聚合物，其含有：（1）一个或多个嵌段 - （CH 2 CH 2 -CH 其中每个k在1至50的范围内; （2）一个或多个嵌段 - （CH 2 CH 2） - （O）n N，其中R包括具有1至6个碳原子的烷基和每个n在1至50的范围内，并由R'和R“端基封端，其中R'是OH或具有1至6个碳原子的烷氧基，R”是H或具有 1至6个碳原子。

7. 发明授权

US07470757B2 Olefin polymerization process in the presence of an anti-fouling agent 失效
标题翻译：烯烃聚合过程中存在防污垢剂
公开(公告)号：US07470757B2
公开(公告)日：2008-12-30
申请号：US10587109
申请日：2005-02-08
申请人： Olivier Miserque , Daniel Siraux , Philippe Bodart
发明人： Olivier Miserque , Daniel Siraux , Philippe Bodart
IPC分类号： C08F4/69 , C08F2/00 , C08F10/02
CPC分类号： C09D171/02 , C08F210/16 , C08F2/001 , C08F2/14 , C08F4/22 , C08F2/005 , C08L2666/04 , C08F210/14 , C08F2500/12 , C08F2500/19 , C08F2500/04 , C08F2500/18 , C08F2500/13
摘要： An olefin polymerisation process carried out in the presence of an anti-fouling agent and a chromium-type catalyst or Ziegler Natta catalyst; characterised in that the anti-fouling agent comprises an anti-fouling polymer having an average molecular weight (Mw) of greater than 1000 daltons and containing: (1) one or more blocks —(CH2—CH2—O)k— where each k is in the range from 1 to 50; and (2) one or more blocks —(CH2—CH(R)—(O)n− where R comprises an alkyl group having from 1 to 6 carbon atoms and each n is in the range from 1 to 50, and terminated by a R′ and a R″ end groups, wherein R′ is OH or an alkoxy having from 1 to 6 carbon atoms and R″ is H or an alkyl having from 1 to 6 carbon atoms.
摘要翻译：烯烃聚合方法在防结垢剂和铬型催化剂或齐格勒纳塔催化剂存在下进行; 其特征在于防污剂包含平均分子量（Mw）大于1000道尔顿的防污聚合物，其含有：（1）一个或多个嵌段 - （CH 2 -CH 2 -O）k - ，其中每个k 在1到50之间; 和（2）一个或多个嵌段 - （CH 2 -CH（R） - （O）n - ，其中R包含具有1至6个碳原子的烷基，并且每个n在1至50的范围内，并且由 R'和R“末端基团，其中R'是OH或具有1至6个碳原子的烷氧基，R”是H或具有1至6个碳原子的烷基。

8. 发明申请

US20080255323A1 Low Gel Chromium Catalysis 有权
标题翻译：低凝胶铬催化
公开(公告)号：US20080255323A1
公开(公告)日：2008-10-16
申请号：US11501183
申请日：2005-02-08
申请人： Philippe Bodart , Philippe Marechal , Eric Damme
发明人： Philippe Bodart , Philippe Marechal , Eric Damme
IPC分类号： C08F2/01
CPC分类号： C08F10/00 , C08F10/02 , C08F210/16 , C08F4/69 , C08F2/001 , C08F210/14 , C08F2500/12 , C08F2500/05 , C08F2500/07 , C08F2500/26 , C08F4/025
摘要： The present invention discloses the use of a chromium-based catalyst system in two serially connected loop reactors for copolymerising ethylene and a comonomer, at reduced productivity, the final polyethylene having a reduced amount of gel.
摘要翻译：本发明公开了将铬基催化剂体系用于两个串联连接的环管反应器中以在降低的生产率下共聚乙烯和共聚单体，最终的聚乙烯具有减少量的凝胶。

9. 发明授权

US07745551B2 Low gel chromium catalysis 有权
标题翻译：低凝胶铬催化
公开(公告)号：US07745551B2
公开(公告)日：2010-06-29
申请号：US11501183
申请日：2005-02-08
申请人： Philippe Bodart , Philippe Marechal , Eric Damme
发明人： Philippe Bodart , Philippe Marechal , Eric Damme
IPC分类号： C08F2/12 , C08F4/69 , C08F210/14
CPC分类号： C08F10/00 , C08F10/02 , C08F210/16 , C08F4/69 , C08F2/001 , C08F210/14 , C08F2500/12 , C08F2500/05 , C08F2500/07 , C08F2500/26 , C08F4/025
摘要： The present invention discloses the use of a chromium-based catalyst system in two serially connected loop reactors for copolymerising ethylene and a comonomer, at reduced productivity, the final polyethylene having a reduced amount of gel.
摘要翻译：本发明公开了将铬基催化剂体系用于两个串联连接的环管反应器中以在降低的生产率下共聚乙烯和共聚单体，最终的聚乙烯具有减少量的凝胶。

10. 发明授权

US07851400B2 Multimodal polyethylene obtained with multilayer chromium catalyst 失效
标题翻译：用多层铬催化剂得到的多峰聚乙烯
公开(公告)号：US07851400B2
公开(公告)日：2010-12-14
申请号：US11837778
申请日：2007-08-13
申请人： Philippe Bodart , Nicodeme Lonfils , Guy Debras
发明人： Philippe Bodart , Nicodeme Lonfils , Guy Debras
IPC分类号： B01J21/06 , B01J23/26
CPC分类号： C08F10/02 , C08F110/02 , C08F210/16 , C08F4/69 , C08F4/025 , C08F2500/12 , C08F2500/04 , C08F2500/14 , C08F2500/13 , C08F2500/07 , C08F210/08 , C08F210/14 , C08F210/06 , C08F4/24
摘要： The present invention concerns a catalyst for the production of high density polyethylene, by homopolymerising ethylene or copolymerising ethylene and an alpha-olefinic comonomer comprising 3 to 10 carbon atoms, prepared by the steps of: a) selecting a silica support with a specific surface area larger than 300 m2/g; b) treating the silica support with a titanium compound, in order to introduce titanium into the support, or with an aluminium compound, in order to introduce aluminum into the support; c) either treating the titanated silica support with an aluminum compound, in order to introduce aluminum into the titanated silica support, or treating the aluminated silica support with a titanium compound, in order to introduce titanium into the aluminated silica support; d) depositing a chromium compound on the titanated and aluminated silica support to form a catalyst; e) activating the catalyst of step d) under air in a fluidised bed at a temperature of from 600 to 800° C.
摘要翻译：本发明涉及用于生产高密度聚乙烯的催化剂，通过均聚乙烯或共聚乙烯和包含3至10个碳原子的α-烯烃共聚单体，其步骤为：a）选择具有比表面积的二氧化硅载体大于300 m2 / g; b）用钛化合物处理二氧化硅载体，以便将钛引入载体或用铝化合物，以便将铝引入载体中; c）用铝化合物处理钛酸二氧化硅载体，以便将铝引入钛酸二氧化硅载体中，或用钛化合物处理铝化二氧化硅载体，以便将钛引入到铝化硅载体中; d）在钛酸化和镀铝的二氧化硅载体上沉积铬化合物以形成催化剂; e）在600至800℃的温度下在流化床中在空气下活化步骤d）的催化剂。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式