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. 发明专利

JP2010037496A Thermoplastic elastomer composition, method for producing the same, and pneumatic tire using the same 有权
标题翻译：热塑性弹性体组合物及其制造方法及使用其的气动轮胎
公开(公告)号：JP2010037496A
公开(公告)日：2010-02-18
申请号：JP2008204693
申请日：2008-08-07
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： MOROOKA NAOYUKI
IPC分类号： C08L29/04 , B60C5/14 , C08K3/34 , C08K5/435 , C08L23/26 , C08L77/00
摘要： PROBLEM TO BE SOLVED: To obtain a thermoplastic elastomer composition excellent in gas barrier properties, melt processability, and fatigue resistance from EVOH and a polyamide resin.
SOLUTION: The thermoplastic elastomer composition includes (A) 20-80 pts.wt. of an ethylene-vinyl alcohol copolymer having an ethylene composition ratio of 20-50 mol% and a saponification degree of 90% or more, (B) 80-20 pts.wt. of a sheet silicate-modified polyamide resin produced by intercalative polymerization, (C) a hydrophobic plasticizer in an amount of 10-50 pts.wt. based on 100 pts.wt. of the sum of the component (A) and the component (B), and (D) a modified polymer having an acid anhydride group in an amount of 60-150 pts.wt. based on 100 pts.wt. of the sum of the component (A) and the component (B). The component (D) forms a dispersed phase, wherein the component (D) is dispersed in a matrix phase composed of the components (A), (B), and (C).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：获得EVOH和聚酰胺树脂的阻气性，熔融加工性和耐疲劳性优异的热塑性弹性体组合物。解决方案：热塑性弹性体组合物包含（A）20-80重量份的乙烯组成比为20-50摩尔％，皂化度为90％以上的乙烯 - 乙烯醇共聚物，（B）为80〜20重量份。的通过嵌段聚合制备的片状硅酸酯改性聚酰胺树脂，（C）10-50重量份的疏水性增塑剂。基于100重量的组分（A）和组分（B）的总和，（D）具有60-150重量份的酸酐基团的改性聚合物。基于100重量的组分（A）和组分（B）的总和。组分（D）形成分散相，其中组分（D）分散在由组分（A），（B）和（C）组成的基质相中。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2010037465A Thermoplastic elastomer composition and pneumatic tire using the same 有权
标题翻译：热塑性弹性体组合物和使用其的气动轮胎
公开(公告)号：JP2010037465A
公开(公告)日：2010-02-18
申请号：JP2008203414
申请日：2008-08-06
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： MOROOKA NAOYUKI
IPC分类号： C08L77/00 , B60C5/14 , C08K3/34 , C08K5/435 , C08L23/26
CPC分类号： C08L77/00 , B60C1/0008 , C08K3/346 , C08K5/0016 , C08K5/435 , C08K2201/008 , C08L51/06 , C08L79/02 , C08L2666/20 , C08L2666/24
摘要： PROBLEM TO BE SOLVED: To improve the balance of low-temperature durability, gas permeability resistance, and melt processability of a thermoplastic elastomer composition obtained by dispersing and filling an ethylene-based modifying polymer in an aliphatic polyamide resin. SOLUTION: The thermoplastic elastomer composition includes a thermoplastic resin composition (A) and a modified ethylene-based modifying polymer (B) graft-modified with an acid anhydride group. The thermoplastic resin composition (A) includes 60-90 mass% of a sheet silicate-modified aliphatic polyamide resin (A1) produced by intercalative polymerization and 10-40 mass% of a hydrophobic plasticizer (A2) having a solubility parameter (SP value) of 10-12 (cal/cm 2 ) 1/2 . The modified ethylene-based modifying polymer (B) are contained in an amount of 70-120 pts.mass based on 100 pts.mass of the thermoplastic elastomer composition, and the modified ethylene-based modifying polymer (B) forms a dispersed particle phase. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过将乙烯类改性聚合物分散并填充到脂肪族聚酰胺树脂中而得到的热塑性弹性体组合物的低温耐久性，耐气体渗透性和熔融加工性的平衡。解决方案：热塑性弹性体组合物包含热塑性树脂组合物（A）和用酸酐基接枝改性的改性乙烯基改性聚合物（B）。热塑性树脂组合物（A）含有60-90质量％的通过嵌段聚合制造的硅酸酯改性脂肪族聚酰胺树脂（A1）和10〜40质量％的溶解度参数（SP值）的疏水性增塑剂（A2）为10-12（cal / cm 2 / SP））

3. 发明专利

JP2011052210A Thermoplastic elastomer composition 有权
标题翻译：热塑性弹性体组合物
公开(公告)号：JP2011052210A
公开(公告)日：2011-03-17
申请号：JP2010173501
申请日：2010-08-02
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： KAWAGUCHI KOICHI , MOROOKA NAOYUKI
IPC分类号： C08L77/00 , B60C5/14 , C08L15/00 , C08L23/08
CPC分类号： C08L23/16 , B60C1/0008 , C08L23/0846 , C08L51/06 , C08L77/00 , C08L2666/02 , C08L2666/20 , C08L2666/06 , C08L2666/24
摘要： PROBLEM TO BE SOLVED: To reduce an extrusion load at the time of extrusion molding of a thermoplastic elastomer composition obtained by dispersing and packing a modified rubber into a polyamide resin matrix in order to improve a low temperature durability of the polyamide resin to a film without deteriorating a low-temperature durability.
SOLUTION: In the thermoplastic elastomer composition (E) obtained by dispersing the modified rubber (D) having an acid anhydride group or an epoxy group to a modified polyamide resin (C) obtained by melt blending the polyamide resin (A) and a compound (B) which can react with a terminal amino group of the polyamide resin, the modified rubber (D) having the acid anhydride group or the epoxy group is dynamically crosslinked with a compound (F) having at least one disulfide bond and two amino groups. The thermoplastic elastomer composition is suitably used for the production of an inner liner of a pneumatic tire.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：为了降低通过将改性橡胶分散并填充到聚酰胺树脂基质中而获得的热塑性弹性体组合物的挤出成型时的挤出负荷，以提高聚酰胺树脂的低温耐久性一种不劣化低温耐久性的薄膜。解决方案：将通过将具有酸酐基或环氧基的改性橡胶（D）分散在通过熔融共混聚酰胺树脂（A）和聚酰胺树脂（A）得到的改性聚酰胺树脂（C））得到的热塑性弹性体组合物可以与聚酰胺树脂的末端氨基反应的化合物（B），具有酸酐基或环氧基的改性橡胶（D）与具有至少一个二硫键的化合物（F）和两个氨基。热塑性弹性体组合物适合用于制造充气轮胎的内衬。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010215727A Thermoplastic elastomer composition 有权
标题翻译：热塑性弹性体组合物
公开(公告)号：JP2010215727A
公开(公告)日：2010-09-30
申请号：JP2009061879
申请日：2009-03-13
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： HARA YUICHI , MOROOKA NAOYUKI
IPC分类号： C08L23/28 , B60C5/14 , C08G69/48 , C08K5/435 , C08L77/00
CPC分类号： B60C1/0008 , C08K5/0016 , C08K5/435 , C08L23/28 , C08L23/283 , C08L77/02 , C08L77/06 , C08L77/10 , C08L2207/04 , C08L2312/00 , C08L2666/20
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition comprising a polyamide resin and, dispersedly loaded therein for improving fatigue durability of the polyamide resin, a halogenated isoolefin/p-alkylstyrene copolymer rubber, where the flowability of the polyamide resin is maintained while fine dispersion and a high loading rate of the halogenated isoolefin/p-alkylstyrene copolymer rubber are retained.
SOLUTION: The thermoplastic elastomer composition comprises a continuous phase of a modified polyamide resin (A) and a dispersed phase of the halogenated isoolefin/p-alkylstyrene copolymer rubber (B), where the modified polyamide resin (A) is obtained by melt-kneading 100 pts.mass of a polyamide resin (C) and at least 0.05 pt.mass and less than 3 pts.mass of a compound (D), such as a monofunctional epoxy compound, capable of bonding to a terminal amino group of the polyamide resin, at a temperature not lower than the melting point of the polyamide resin (C). The thermoplastic elastomer composition is suitably employed for an inner liner of a pneumatic tire.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题的方案为了提供一种包含聚酰胺树脂的热塑性弹性体组合物，其分散装载以提高聚酰胺树脂的疲劳耐久性，其中聚酰胺树脂的流动性为保持了细分散性和高负载率的卤代异烯烃/对烷基苯乙烯共聚物橡胶。解决方案：热塑性弹性体组合物包含改性聚酰胺树脂（A）的连续相和卤代异烯烃/对烷基苯乙烯共聚物橡胶（B）的分散相，其中改性聚酰胺树脂（A）通过熔融捏合100磅聚酰胺树脂（C）和至少0.05pt.mass且小于3磅的化合物（D），例如能够键合到末端氨基的单官能环氧化合物的聚酰胺树脂，在不低于聚酰胺树脂（C）的熔点的温度下进行。热塑性弹性体组合物适用于充气轮胎的内衬。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010215726A Method for producing thermoplastic elastomer composition 有权
标题翻译：生产热塑性弹性体组合物的方法
公开(公告)号：JP2010215726A
公开(公告)日：2010-09-30
申请号：JP2009061859
申请日：2009-03-13
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： HARA YUICHI , MOROOKA NAOYUKI
IPC分类号： C08J3/24 , B60C5/14 , C08K5/435 , C08L25/08 , C08L77/00
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition in which a halogenated isoolefin/p-alkylstyrene copolymer rubber is dispersed and loaded in a polyamide resin, while maintaining flowability of the polyamide even if the rubber is finely dispersed and loaded to a high content. SOLUTION: A method for producing the thermoplastic elastomer composition which includes the polyamide resin (A) as a continuous phase and the halogenated isoolefin/p-alkylstyrene copolymer rubber (B) as a dispersed phase is provided. In the method, the resin (A) and the rubber (B) are reacted and kneaded to disperse the rubber (B) into the resin (A), and then a crosslinking agent (C) is added to make the rubber (B) dynamically crosslinked. Subsequently, >0.01 and COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：待解决的问题：为了提供其中将卤化异烯烃/对烷基苯乙烯共聚物橡胶分散并负载在聚酰胺树脂中的热塑性弹性体组合物，同时保持聚酰胺的流动性，即使橡胶被细分散并加载到高含量。解决方案：提供一种制备作为连续相的聚酰胺树脂（A）和作为分散相的卤代异烯烃/对烷基苯乙烯共聚物橡胶（B）的热塑性弹性体组合物的制造方法。在该方法中，将树脂（A）和橡胶（B）进行反应和捏合以将橡胶（B）分散到树脂（A）中，然后加入交联剂（C）以使橡胶（B）动态交联。随后，将能够与聚酰胺树脂的末端氨基结合的化合物（D）的0.01〜0.3重量份添加到树脂（A）的100重量份中，将混合物熔融捏合不低于树脂（A）的熔点的温度。获得的热塑性弹性体组合物有利地用作充气轮胎的内衬。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010132850A Thermoplastic resin composition and laminate and tire using the same 有权
标题翻译：热塑性树脂组合物和使用它的层压板和轮胎
公开(公告)号：JP2010132850A
公开(公告)日：2010-06-17
申请号：JP2009046905
申请日：2009-02-27
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： MOROOKA NAOYUKI
IPC分类号： C08L77/00 , B32B25/08 , B32B27/34 , B60C5/14 , C08L15/00 , C08L23/08 , C08L29/02 , F16L11/04
CPC分类号： B32B25/18 , B32B7/12 , B32B25/08 , B32B27/20 , B32B27/22 , B32B27/306 , B32B27/308 , B32B27/32 , B32B27/34 , B32B27/38 , B32B2264/102 , B32B2264/108 , B32B2270/00 , B32B2307/306 , B32B2307/554 , B32B2307/7242 , B32B2597/00 , B60C1/0008 , B60C2005/145 , C08G69/48 , C08L7/00 , C08L9/06 , C08L23/0861 , C08L23/0869 , C08L23/16 , C08L23/20 , C08L23/283 , C08L29/08 , C08L51/04 , C08L51/06 , C08L77/00 , C08L77/02 , C08L77/06 , C08L2205/03 , F16L11/04 , C08L2666/02 , C08L2666/06 , C08L2666/24
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic resin composition which comprises a modified rubber having excellent low-temperature durability dispersed in a polyamide resin matrix in order to improve the low-temperature durability (repeated fatigue resistance) of the polyamide resin and which maintains its flowability and can be formed into a film even at a high content of the modified rubber, and has excellent low-temperature durability. SOLUTION: The thermoplastic resin composition comprises a modified polyamide resin (C) obtained by melt blending 100 pts.mass of a polyamide resin (A) and 0.05-5 pts.mass of a compound (B) binding to a terminal amino group of the polyamide resin, at a temperature equal to or higher than the melting point of the polyamide resin (A), and a modified rubber (D) having an acid anhydride group, an epoxy group, or a carboxy group or a derivative thereof. The compound (B) is preferably a monofunctional epoxy compound. The thermoplastic resin composition is suitably used for the manufacture of tires, hoses, or the like. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：解决问题的方法为了提供一种热塑性树脂组合物，其包含分散在聚酰胺树脂基体中的具有优异的低温耐久性的改性橡胶，以提高聚酰胺树脂的低温耐久性（反复耐疲劳性）和其保持其流动性，并且即使在改性橡胶的高含量下也可以形成膜，并且具有优异的低温耐久性。解决方案：热塑性树脂组合物包括通过熔融共混100个聚酰胺树脂（A）和0.05-5重量份结合末端氨基的化合物（B）获得的改性聚酰胺树脂（C）在聚酰胺树脂（A）的熔点以上的温度和具有酸酐基，环氧基或羧基或其衍生物的改性橡胶（D）的聚酰胺树脂组。化合物（B）优选为单官能环氧化合物。热塑性树脂组合物适用于制造轮胎，软管等。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2014095093A Method for producing thermoplastic elastomer composition 有权
标题翻译：生产热塑性弹性体组合物的方法
公开(公告)号：JP2014095093A
公开(公告)日：2014-05-22
申请号：JP2014022316
申请日：2014-02-07
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： HARA YUICHI , MOROOKA NAOYUKI
IPC分类号： C08J3/24 , B60C5/14 , C08G69/48 , C08K5/435 , C08L23/28 , C08L77/00
摘要： PROBLEM TO BE SOLVED: To maintain the fluidity of a polyamide resin while maintaining fine dispersion and a high filling rate of a halogenated isoolefin-paraalkylstyrene copolymer rubber in a thermoplastic elastomer composition in which the rubber is dispersed and filled in a polyamide resin.SOLUTION: There is provided a method for producing a thermoplastic elastomer composition in which the continuous phase is composed of a polyamide resin (A) and the dispersion phase is composed of a halogenated isoolefin-paraalkylstyrene copolymer rubber (B), wherein 100 pts.mass of the polyamide resin (A) and more than 0.01 pt.mass and less than 3 pts.mass of a compound (C) capable of binding to a terminal amino group of the polyamide resin are reacted and kneaded at a temperature equal to or higher than the melting point of the polyamide resin (A) to modify the polyamide resin and then the modified polyamide resin and the rubber (B) are reacted and kneaded to dynamically cross-link the rubber (B).
摘要翻译：要解决的问题：为了保持聚酰胺树脂的流动性，同时保持分散和填充在聚酰胺树脂中的热塑性弹性体组合物中的卤化异烯烃 - 对烷基苯乙烯共聚物橡胶的高分散性和高填充率。解决方案：提供了一种热塑性弹性体组合物的制造方法，其中连续相由聚酰胺树脂（A）组成，分散相由卤代异烯烃 - 对烷基苯乙烯共聚物橡胶（B）组成，其中100重量份聚酰胺树脂（A）和大于0.01pt.mass且小于3pts.mass的能够结合聚酰胺树脂的末端氨基的化合物（C）在等于或高于聚酰胺树脂（A）的熔点改性聚酰胺树脂，然后改性聚酰胺树脂和橡胶（B）进行反应和捏合以动态地交联橡胶（B）。

8. 发明专利

JP2013047010A Laminate of thermoplastic polymer composition having low air permeability and pneumatic tire using same as inner liner 审中-公开
标题翻译：具有低空气渗透性和气动轮胎的热塑性聚合物组合物的层压体使用同一内衬
公开(公告)号：JP2013047010A
公开(公告)日：2013-03-07
申请号：JP2012240892
申请日：2012-10-31
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社 , Exxonmobil Chemical Patents Inc , エクソンモービルケミカルパテンツ,インコーポレイティド
发明人： SOEDA YOSHIHIRO , MOROOKA NAOYUKI , HARA YUICHI , ANDY HAISHUN TSOU
IPC分类号： B32B27/00 , B32B27/28 , B32B27/34 , B60C5/14
摘要： PROBLEM TO BE SOLVED: To provide a laminate of thermoplastic polymer composition, which has rubber elasticity and can be thermoplastically processed, and also which is superior in adhesiveness and air barrier properties.SOLUTION: A laminate (C) of a thermoplastic polymer composition comprises: at least one thermoplastic resin composition layer (A) having an air permeation coefficient of 10×10cc_cm/cm_sec_cmHg or less, laminated with at least one thermoplastic polymer composition layer (B) composed of a modified polymer composition (E) dispersed in a matrix of a thermoplastic resin composition (D) and having a melt viscosity of 500-2,000 Pa_s and a Young's modulus at a room temperature of 1-400 MPa, wherein the thickness of a layer of the thermoplastic resin composition (A) is 0.05-10 μm and the air permeation coefficient of the laminate (C) is 20×10cc_cm/cm_sec_cmHg or less, and wherein the laminate (C) further includes at least one adhesive layer (F) adjacent to the laminate of the at least one layer (A) and the at least one layer (B).
摘要翻译：要解决的问题：提供具有橡胶弹性并且可以热塑性加工的热塑性聚合物组合物的层压体，并且其粘合性和空气阻隔性优异。解决方案：热塑性聚合物组合物的层压体（C）包括：至少一种具有10×10 10透气系数的热塑性树脂组合物层（A）与由分散在热塑性树脂组合物的基质中的改性聚合物组合物（E）组成的至少一种热塑性聚合物组合物层（B）层合，cc_cm / cm 2 _sec_cmHg以下，（D），其熔体粘度为500-2000Pa·s，室温下的杨氏模量为1-400MPa，其中热塑性树脂组合物（A）的层的厚度为0.05-10μm，空气渗透层叠体（C）的系数为20×10 /秒以下，并且其中层压体（ C）还包括与所述至少一层（A）和所述至少一层（B）的层压体相邻的至少一个粘合剂层（F）。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2011032391A Thermoplastic elastomer composition 有权
标题翻译：热塑性弹性体组合物
公开(公告)号：JP2011032391A
公开(公告)日：2011-02-17
申请号：JP2009180918
申请日：2009-08-03
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： KAWAGUCHI KOICHI , MOROOKA NAOYUKI
IPC分类号： C08L29/04 , C08J3/24 , C08L23/26 , C08L101/06
CPC分类号： C08L29/04 , B60C1/0008 , C08K5/372 , C08K5/3725 , C08K5/42 , C08L23/0861 , C08L51/04 , C08L2205/22 , Y10T152/10234 , C08L2666/24 , C08L2666/04
摘要： PROBLEM TO BE SOLVED: To reduce extrusion load when extrusion molding into a film is performed without deteriorating low-temperature durability, in a thermoplastic elastomer composition in which a modified rubber is dispersed and filled in an ethylene-vinyl alcohol copolymer matrix in order to improve low-temperature durability of the ethylene-vinyl alcohol copolymer. SOLUTION: The thermoplastic elastomer composition (C) is obtained by dispersing a modified rubber (B) having an acid anhydride group or an epoxy group in an ethylene-vinyl alcohol copolymer (A), wherein the modified rubber (B) having an acid anhydride group or an epoxy group is dynamically cross-linked by a compound (D) having at least two amino groups. The thermoplastic elastomer composition is suitably used in the production of an inner liner of a pneumatic tire. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：为了降低在挤出成型为膜时的挤出负荷而不劣化低温耐久性，在将改性橡胶分散并填充在乙烯 - 乙烯醇共聚物基质中的热塑性弹性体组合物中以提高乙烯 - 乙烯醇共聚物的低温耐久性。解决方案：热塑性弹性体组合物（C）通过将具有酸酐基或环氧基的改性橡胶（B）分散在乙烯 - 乙烯醇共聚物（A）中而获得，其中改性橡胶（B）具有酸酐基或环氧基通过具有至少两个氨基的化合物（D）动态交联。热塑性弹性体组合物适用于制造充气轮胎的内衬。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010215724A Method for producing thermoplastic elastomer composition 有权
标题翻译：生产热塑性弹性体组合物的方法
公开(公告)号：JP2010215724A
公开(公告)日：2010-09-30
申请号：JP2009061836
申请日：2009-03-13
申请人： Yokohama Rubber Co Ltd:The , 横浜ゴム株式会社
发明人： HARA YUICHI , MOROOKA NAOYUKI
IPC分类号： C08J3/24 , B60C5/14 , C08K5/435 , C08L25/08 , C08L77/00
摘要： PROBLEM TO BE SOLVED: To provide a thermoplastic elastomer composition in which a halogenated isoolefin/p-alkylstyrene copolymer rubber is dispersed and loaded in a polyamide resin, while maintaining flowability of the polyamide even if the rubber is finely dispersed and loaded to a high content.
SOLUTION: A method for producing a thermoplastic elastomer composition which includes the polyamide resin (A) as a continuous phase and the halogenated isoolefin/p-alkylstyrene copolymer rubber (B) as a dispersed phase is provided. In the method, 100 pts.mass of the polyamide resin (A), and >0.01 and
摘要翻译：待解决的问题：为了提供其中将卤化异烯烃/对烷基苯乙烯共聚物橡胶分散并负载在聚酰胺树脂中的热塑性弹性体组合物，同时保持聚酰胺的流动性，即使橡胶被细分散并加载到高含量。解决方案：提供一种制备作为连续相的聚酰胺树脂（A）和作为分散相的卤代异烯烃/对烷基苯乙烯共聚物橡胶（B）的热塑性弹性体组合物的制造方法。在该方法中，聚酰胺树脂（A）的100质量份和能够与聚酰胺树脂的末端氨基结合的化合物（C）> 0.01〜<3质量份在温度不低于聚酰胺树脂（A）的熔点以改性聚酰胺。随后，将改性聚酰胺树脂和橡胶（B）进行反应和捏合，使橡胶（B）动态交联。所得热塑性弹性体组合物有利地用作充气轮胎的内衬。版权所有（C）2010，JPO＆INPIT

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