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

JP5589265B2 Production method for press molding prepreg and moldings 有权
公开(公告)号：JP5589265B2
公开(公告)日：2014-09-17
申请号：JP2008149890
申请日：2008-06-06
申请人：三菱レイヨン株式会社
发明人：靖鈴村 , 祐二風早 , 佳秀柿本 , 真一郎古屋 , 久雄木場 , 知徳寺澤 , 浩一秋山
IPC分类号： C08J5/24 , B29C43/02 , B29K63/00 , B29K105/08 , C08K7/02 , C08L63/00 , C08L71/10
摘要： PROBLEM TO BE SOLVED: To provide a prepreg for press molding that is excellently handleable at ordinary temperatures, suppresses excessive flow of a resin at the time of high-temperature high-pressure molding without excessively lowering its Tg and curing rate, gives a cured resin without turbidity suppressed in defective appearances and defective performances and a molded article having good external appearances and inhibits a defective mold, and a manufacturing method of a molded article using the prepreg for press molding. SOLUTION: The prepreg for press molding comprises a fibrous reinforcing material impregnated with a resin comprising an epoxy resin (X), a phenoxy resin (Y) having a mass-average molecular weight of 50,000-80,000 and an epoxy curing agent (Z), and has a minimum viscosity at 100-150°C of 2-20 Pa s and a viscosity at 30°C of 10,000-100,000 Pa s. The manufacturing method of a molded article comprises using the prepreg for press molding. COPYRIGHT: (C)2010,JPO&INPIT

2. 发明专利

JP5144010B2 Method for producing a fiber reinforced plastic panel 有权
公开(公告)号：JP5144010B2
公开(公告)日：2013-02-13
申请号：JP2005293150
申请日：2005-10-06
申请人：三菱レイヨン株式会社
发明人：佳秀柿本 , 久雄木場 , 靖鈴村 , 忠義齋藤
IPC分类号： B29C43/20 , C08J5/24
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of an FRP in oven molding using only vacuum pressure. SOLUTION: A thermosetting resin composition sheet (A) formed by stretching a thermosetting resin composition of which the viscosity during the molding of the FRP becomes minimum in specific viscosity, in a weight basis Y (=0.6X-0.8X)g/m 2 , a sheetlike reinforcing fiber base material (B) required in the thermosetting resin composition sheet with a weight basis of X g/m 2 in order to form a composite material with the volume content of reinforcing fibers is 50-65 volume% and a thermosetting resin composition sheet (C) which is formed by stretching the thermosetting resin composition same to that of the sheet (A) so that a weight basis is X-Y g/m 2 are superposed one upon another in this order. Next, a partially impregnated prepreg (D) with a resin impregnation ratio of 10-60% (B) is partially penetrated with the thermosetting resin composition and characterized in that parts not impregnated with the thermosetting resin composition are continued to the inside of (B) is obtained. Further, the partially impregnated prepreg (D) is laminated so that the side surface of the thermosetting resin composition sheet (C) comes into contact with a tool and the obtained prepreg laminate (D') is heated and pressed on the tool to be cured to manufacture the FRP. COPYRIGHT: (C)2007,JPO&INPIT

3. 发明专利

JP3535319B2 Repair method for reinforcing existing structures 失效
公开(公告)号：JP3535319B2
公开(公告)日：2004-06-07
申请号：JP26594096
申请日：1996-10-07
申请人：三菱レイヨン株式会社
发明人：智雄佐野 , 偉夫小西 , 繁次林 , 政之福元 , 靖鈴村
IPC分类号： E04G23/02 , B29C70/06 , B29K101/10 , B29K105/08 , C09D133/04 , C09D201/00
摘要： PROBLEM TO BE SOLVED: To improve workability by applying double-fluid cold setting resin with a specified viscosity, and sticking reinforced fiber where the configuration of fibers is specified to a material to be reinforced. SOLUTION: A reinforced fiber sheet material is stuck to a material to be reinforced to which one resin fluid A of double-fluid cold setting resin is applied, and after the other resin fluid B is applied to the surface thereof, the resin fluid A is applied to the coated surface to be hardened. Resin uses radical polymerized double-fluid cold setting resin of vinyl ester, unsaturated polyester, or its mixture and acryl, and the viscosity at 20 deg.C is 5-10 centipoise. The sheet used is so constructed that on at least one surface of the sheet formed by reinforced fibers paralleled in one direction, thermal fusing fibers are fused by heat at intervals of 3-150mm along the longitudinal direction of the reinforced fiber in the direction intersecting perpendicularly to the reinforced fiber, or thermal fusing fiber cloth is fused on at least one surface of the sheet. Thus, an existing structure can be reinforced easily in a short time without any influence.

4. 发明专利

JP5280323B2 Epoxy resin compositions, method for producing a prepreg and a molded article using the same 有权
公开(公告)号：JP5280323B2
公开(公告)日：2013-09-04
申请号：JP2009206593
申请日：2009-09-08
申请人：三菱レイヨン株式会社
发明人：靖鈴村 , 浩一秋山 , 祐二風早 , 真一郎古屋 , 早苗木下 , 巧己若林
IPC分类号： C08L63/00 , C08G59/40 , C08J5/24 , C08K5/1515
摘要： PROBLEM TO BE SOLVED: To solve such a problem in conventional technique that a mold release agent has to be applied to a mold almost every time upon molding in order to secure sufficient mold releasability, so that a molding cycle is prolonged due to effort and time for applying the mold release agent. SOLUTION: The epoxy resin composition contains 0.1-10 pts.mass of an epoxy resin having structure (I) relative to 100 pts.mass of an epoxy resin. The prepreg comprises the epoxy resin composition and reinforcing fibers. In a method for producing a molding, the prepreg comprising the epoxy resin composition and the reinforcing fibers is heated and pressurized for 1-20 minutes in a preheated mold and cured. COPYRIGHT: (C)2011,JPO&INPIT

5. 发明专利

JP5138506B2 Epoxy resin composition and prepreg 有权
公开(公告)号：JP5138506B2
公开(公告)日：2013-02-06
申请号：JP2008210660
申请日：2008-08-19
申请人：三菱レイヨン株式会社
发明人：靖鈴村 , 学金子 , 彰浩伊藤 , 豊山口 , 忠義斎藤
IPC分类号： C08G59/32 , C08J5/24 , C08K3/36 , C08L63/00

6. 发明专利

JP4859081B2 Method of producing a composite material 有权
公开(公告)号：JP4859081B2
公开(公告)日：2012-01-18
申请号：JP2000121162
申请日：2000-04-21
申请人：三菱レイヨン株式会社
发明人：和民三谷 , 和也後藤 , 繁次林 , 巧己若林 , 靖鈴村
IPC分类号： C08G59/32 , C08G59/40 , C08J5/24
摘要： PROBLEM TO BE SOLVED: To obtain an epoxy resin composition which is stable at room temperature, can be primarily cured at a relatively low temperature, e.g. at 70-100 deg.C, in a short time, e.g. within 10 h, exhibits a glass transition temperature of 150 deg.C or higher when secondarily cured at 130 deg.C or higher, and gives a cured item excellent in high-temperature mechanical properties, especially an epoxy resin composition which can be suitably used as a matrix resin for a fiber- reinforced composite material. SOLUTION: This composition mainly comprises (a) 100 pts.wt. epoxy resin containing a trifunctional or higher epoxy resin and (b) 3-40 pts.wt. heat-curing- type latent curing agent activated at 70-100 deg.C and satisfies the requirements (1) to (3): (1) the viscosity increase when left standing at 25 deg.C for 3 weeks after the preparation is not higher than 2 times the viscosity just after the preparation; (2) after the primary curing at 100 deg.C or lower for 10 h or shorter, the degree of curing is 70% or higher or the tensile shear strength (adhesive strength) according to JIS K 6848 and 6850 is 10 MPa or higher; and (3) the glass transition temperature of a cured item obtained by the secondary curing at 130 deg.C or higher is 150 deg.C or higher.

7. 发明专利

JP5327964B2 Press-molding prepreg, and a production method of a molded article using the same 有权
公开(公告)号：JP5327964B2
公开(公告)日：2013-10-30
申请号：JP2009099640
申请日：2009-04-16
申请人：三菱レイヨン株式会社
发明人：靖鈴村 , 浩一秋山 , 真一郎古屋
IPC分类号： C08J5/24 , B29C43/02 , B29K63/00 , C08K5/21 , C08K5/315 , C08L63/00 , C08L81/06
摘要： PROBLEM TO BE SOLVED: To provide a prepreg for press molding that is excellent in handleability at room temperature, and suppresses superfluous flow of resin in high temperature and high pressure molding without practically reducing Tg and cure rate, and controls inferiority in appearance of molded articles obtained, inferiority in performance, inferiority in molds, etc., and to provide a method for producing molded articles using the prepreg for press molding. SOLUTION: The prepreg for press molding includes an epoxy resin (X), a polyether sulfone resin (Y) whose mass average molecular weight is 10,000-60,000, and an epoxy curing agent (Z), wherein the lowest viscosity at 100-150°C is 2-20 Pa s, and a fiber material for reinforcing the prepreg is impregnated by an epoxy resin having a viscosity of 10,000-100,000 Pa s at 30°C. The method for producing the molded articles uses the prepreg for press molding. COPYRIGHT: (C)2011,JPO&INPIT

8. 发明专利

JP5112732B2 Prepreg 有权
公开(公告)号：JP5112732B2
公开(公告)日：2013-01-09
申请号：JP2007099296
申请日：2007-04-05
申请人：三菱レイヨン株式会社
发明人：靖鈴村 , 久雄木場 , 佳秀柿本 , 忠義齋藤
IPC分类号： C08J5/24

9. 发明专利

JP4737653B2 Method of manufacturing prepreg 有权
公开(公告)号：JP4737653B2
公开(公告)日：2011-08-03
申请号：JP32283399
申请日：1999-11-12
申请人：三菱レイヨン株式会社
发明人：直樹杉浦 , 真仁田口 , 靖鈴村
IPC分类号： C08G59/62 , C08J5/24

10. 发明专利

JP4154234B2 Flame retardant epoxy resin composition, a prepreg and fiber-reinforced composite material using the same 有权
公开(公告)号：JP4154234B2
公开(公告)日：2008-09-24
申请号：JP2002552042
申请日：2001-12-18
申请人：三菱レイヨン株式会社
发明人：彰浩伊藤 , 真仁田口 , 靖鈴村 , 忠義齋藤
IPC分类号： C08L63/00 , C08G59/08 , C08G59/32 , C08G59/38 , C08G59/40 , C08J5/24 , C08K3/00 , C08K5/00 , C08K5/51 , C08K5/523 , C08K5/5317 , C08L63/04
CPC分类号： C08L63/00 , C08G59/08 , C08G59/38 , C08G59/4021 , C08K3/013 , C08K5/51 , C08L63/04 , Y10T428/2971 , Y10T428/31511 , C08L2666/02
摘要： A flame retardant epoxy resin composition containing (A) a phenolic novolak type epoxy resin including a phenolic novolak type epoxy resin of the following formula (1) and/or formula (2) in a total of at least 50 wt%: (wherein, n is 0 or a positive integer) (wherein, n is 0 or a positive integer) (B) a bisphenol type epoxy resin not containing a halogen, (C) an inorganic filler, and (D) an organic flame retardant. A prepreg and a fiber-reinforced composite using this epoxy resin composition.

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