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公开(公告)号：US11891511B2
公开(公告)日：2024-02-06
申请号：US17053476
申请日：2019-04-09
发明人： Takuma Nishimura , Yoshinori Yamada , Kei Oikawa
CPC分类号： C08L75/08 , C08G18/12 , C08G18/3206 , C08G18/3215 , C08G18/4845 , C08G18/7657 , C08J5/042 , C08J5/043 , C08J5/046 , C08K7/26 , C08L2207/04
摘要： Provided are a two-component curable composition, for manufacture of a thermoplastic polyurethane resin, that exhibits low mixing viscosity and high glass transition temperature after curing, a thermoplastic polyurethane resin that is a cured product thereof, and a fiber-reinforced resin including the thermoplastic polyurethane resin.
The two-component curable composition for manufacture of a thermoplastic polyurethane resin is a two-component curable composition including a polyol component including a diol (A) and a polyisocyanate component including a diisocyanate (B). The diol (A) includes a diol (A-1) having an aromatic ring and having a molecular weight of 200 to 700 and a diol (A-2) having no aromatic ring and having a molecular weight of 500 or less. The ratio ((A-1)/((A-1)+(A-2))) of the mass of the diol (A-1) to the total mass of the diol (A-1) and the diol (A-2) is (10/100) to (75/100).-
公开(公告)号：US11965057B2
公开(公告)日：2024-04-23
申请号：US17055402
申请日：2019-04-09
发明人： Yoshinori Yamada , Takuma Nishimura , Kei Oikawa
CPC分类号： C08G18/3857 , C08G18/10 , C08G18/324 , C08G18/73 , C08G18/755 , C08G18/758 , C08J5/042 , C08J5/243 , C08J2375/04 , C08K7/06 , C08L75/04
摘要： As a thermoplastic resin used as a matrix resin for a fiber-reinforced composite material, a thermoplastic resin having a high glass transition temperature in spite of having a low resin viscosity during molding is provided. Provided are a two-liquid curable composition for forming a thermoplastic matrix resin, the two-liquid curable composition containing an active hydrogen component containing an alkylthio group-containing aromatic diamine (A) and a diisocyanate component containing at least one kind of diisocyanate (B) selected from the group consisting of aliphatic diisocyanates, alicyclic diisocyanates, and modified forms of aliphatic diisocyanates and alicyclic diisocyanates, a matrix resin for a fiber-reinforced composite material, the matrix resin being a thermoplastic resin containing a reaction product of the active hydrogen component and the diisocyanate component, and a fiber-reinforced composite material containing the matrix resin and reinforcing fiber.
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