公开(公告)号：US09902840B2

公开(公告)日：2018-02-27

申请号：US15030641

申请日：2014-10-24

Applicant: Toray Industries, Inc.

Inventor： Naokichi Imai ,  Kentaro Sano ,  Keisuke Inose

IPC: C08K9/04 ,  B29C70/14 ,  B29C45/00 ,  C08K7/06 ,  C08L81/00

CPC classification number: C08K9/04 ,  B29C45/0001 ,  B29C70/14 ,  C08K7/06 ,  C08K2201/004 ,  C08L81/00 ,  C08L81/04

Abstract: A molded article includes 10 to 40% by mass of reinforcing fibers (A); and 60 to 90% by mass of a matrix resin (B) mainly including a polyarylene sulfide, the molded article satisfying conditions (I) to (IV) and having a tensile strength of 240 MPa or more in a main orientation direction of the reinforcing fibers (A) in the molded article, wherein (I) strand tensile strength of the reinforcing fibers (A) is 1.5 to 5.5 GPa, (II) number average fiber length of the reinforcing fibers (A) is 0.4 to 10 mm, (III) tensile elongation of the matrix resin (B) is 1.5 to 10%, and (IV) interfacial shear strength between the reinforcing fibers (A) and the matrix resin (B) is 20 MPa or more.

公开(公告)号：US09879123B2

公开(公告)日：2018-01-30

申请号：US14372078

申请日：2013-01-17

Applicant: TORAY INDUSTRIES, INC.

Inventor： Kentaro Sano ,  Noriyuki Hirano ,  Masato Honma ,  Atsuki Tsuchiya

IPC: C08J5/04 ,  D06M15/55 ,  C08J5/24 ,  C08L23/08 ,  C08L23/10 ,  C08J5/06 ,  D06M101/40 ,  C08L23/26

CPC classification number: C08J5/042 ,  C08J5/043 ,  C08J5/06 ,  C08J5/24 ,  C08J2323/12 ,  C08J2423/00 ,  C08J2423/14 ,  C08J2423/36 ,  C08K7/06 ,  C08K9/04 ,  C08L23/0846 ,  C08L23/10 ,  C08L23/26 ,  C08L51/06 ,  D06M15/55 ,  D06M2101/40 ,  D10B2101/06 ,  Y10T428/249944 ,  Y10T428/249948 ,  Y10T428/2929

Abstract: A molded article excellent in dynamic characteristics and water degradation resistance can be obtained by using a fiber-reinforced polypropylene resin composition including a carbodiimide-modified polyolefin (a), a polypropylene resin (b) and reinforcing fibers (c), wherein the content of the carbodiimide group contained in a resin component in the fiber-reinforced polypropylene resin composition is 0.0005 to 140 mmol based on 100 g of a matrix resin component, and the reinforcing fibers (c) are sizing-treated with a polyfunctional compound (s); and a molding material using the fiber-reinforced polypropylene resin composition.

公开(公告)号：US11130857B2

公开(公告)日：2021-09-28

申请号：US16310562

申请日：2017-06-23

Applicant: Toray Industries, Inc.

Inventor： Kentaro Sano ,  Taiki Kuroda ,  Reo Takaiwa ,  Noriyuki Hirano

IPC: C08L63/00 ,  C08J5/24 ,  C08K5/16 ,  C08L63/04 ,  C08K5/3445 ,  C08K5/55 ,  C08G59/38

Abstract: The present invention provides an epoxy resin composition that serves to produce a cured epoxy resin that simultaneously realizes a high heat resistance, a high elastic modulus, and a low color and to produce a molded article having a good appearance without suffering the formation of white spots on the surface thereof when used as matrix resin in a fiber reinforced composite material. The epoxy resin composition includes an epoxy resin as component [A], an aromatic urea [B1] and/or an imidazole compound [B2] as component [B], and a borate ester compound as component [C], containing dicyandiamide in the amount of 0.5 part by mass or less relative to the total quantity of epoxy resins which accounts for 100 parts by mass, wherein the epoxy resin composition meets certain sets of further requirements with respect to its composition.

公开(公告)号：US20200079917A1

公开(公告)日：2020-03-12

申请号：US16611344

申请日：2018-04-05

Applicant: Toray Industries, Inc.

Inventor： Kentaro Sano ,  Ayumi Mori ,  Taiki Kuroda ,  Toshiya Kamae

IPC: C08J5/04 ,  B29C70/44

Abstract: Provided is a method for producing a fiber-reinforced composite material exhibiting high heat resistance and excellent appearance quality. It is a method for producing a fiber-reinforced composite material, which includes disposing a prepreg containing a reinforced fiber being impregnated with an epoxy resin composition in a mold, pressurizing and heating the prepreg at 0.2 to 2.5 MPa and 130° C. to 200° C. as primary curing, and then further heating the prepreg at 210° C. to 270° C. for 10 minutes or more as secondary curing.

公开(公告)号：US10472498B2

公开(公告)日：2019-11-12

申请号：US15873031

申请日：2018-01-17

Applicant: Toray Industries, Inc.

Inventor： Naokichi Imai ,  Kentaro Sano ,  Keisuke Inose

IPC: C08K9/04 ,  C08K7/06 ,  C08L81/00 ,  B29C70/14 ,  B29C45/00

Abstract: A molded article includes 10 to 40% by mass of reinforcing fibers (A); and 60 to 90% by mass of a matrix resin (B) mainly including a polyarylene sulfide, the molded article satisfying conditions (I) to (IV) and having a tensile strength of 240 MPa or more in a main orientation direction of the reinforcing fibers (A) in the molded article: (I) strand tensile strength of the reinforcing fibers (A) is 1.5 to 5.5 OPa; (II) number average fiber length of the reinforcing fibers (A) in the molded article is 0.4 mm or more and less than 0.6 mm; (III) tensile elongation of the matrix resin (B) is 1.5 to 10%; and (IV) interfacial shear strength between the reinforcing fibers (A) and the matrix resin (B) is 20 MPa or more.

公开(公告)号：US10316159B2

公开(公告)日：2019-06-11

申请号：US15760485

申请日：2016-07-20

Applicant: TORAY INDUSTRIES, INC.

Inventor： Reo Takaiwa ,  Junko Kawasaki ,  Kentaro Sano ,  Noriyuki Hirano

IPC: B32B27/38 ,  B32B27/26 ,  B32B27/04 ,  C08J5/24 ,  C08L63/00 ,  C08L63/06 ,  C08G59/50 ,  C08G59/56 ,  C08G59/32 ,  C08G59/40 ,  C08G59/60 ,  B32B5/24 ,  C08K5/21 ,  C08K5/31 ,  C08K5/41 ,  C08L81/06

Abstract: An epoxy resin composition includes: an [A] epoxy resin at least comprising an [A1] isocyanurate epoxy resin and an [A2] glycidyl amine epoxy resin; [B] dicyandiamide; and [C] diaminodiphenyl sulfone, wherein (1) an average epoxy equivalent of the [A] epoxy resin is 115 g/eq to 150 g/eq, and (2) an amount of the component [C] added is an amount of 0.05 equivalent to 0.3 equivalent relative to epoxy groups in the [A] epoxy resin in terms of active hydrogen groups.

公开(公告)号：US10093802B2

公开(公告)日：2018-10-09

申请号：US15032214

申请日：2014-10-24

Applicant: Toray Industries, Inc.

Inventor： Kentaro Sano ,  Keisuke Inose ,  Naokichi Imai ,  Atsuki Tsuchiya

IPC: C08L81/04 ,  C08K5/29 ,  C08K9/04 ,  C08J3/22 ,  C08L101/00 ,  C08J5/06 ,  C08L69/00

Abstract: A molding material includes 5 to 50 parts by mass of reinforcing fibers (A) with a sizing agent (s) deposited thereon, 1 to 20 parts by mass of a component (B) containing a polycarbodiimide compound (B-1) that is liquid at 50° C., and 30 to 94 parts by mass of a thermoplastic resin (C) containing an element other than carbon in the repeating unit structure of the main chain, based on 100 parts by mass of the total of the components (A) to (C), wherein the molding material is a composite in which a composite fiber bundle (D) with the component (A) impregnated with the component (B) is covered with the component (C).

公开(公告)号：US20160272814A1

公开(公告)日：2016-09-22

申请号：US15032214

申请日：2014-10-24

Applicant: TORAY INDUSTRIES, INC.

Inventor： Kentaro Sano ,  Keisuke Inose ,  Naokichi Imai ,  Atsuki Tsuchiya

IPC: C08L81/04 ,  C08L69/00 ,  C08J3/22

CPC classification number: C08L81/04 ,  C08J3/22 ,  C08J5/06 ,  C08L69/00 ,  C08L79/08

Abstract: A molding material includes 5 to 50 parts by mass of reinforcing fibers (A) with a sizing agent (s) deposited thereon, 1 to 20 parts by mass of a component (B) containing a polycarbodiimide compound (B-1) that is liquid at 50° C., and 30 to 94 parts by mass of a thermoplastic resin (C) containing an element other than carbon in the repeating unit structure of the main chain, based on 100 parts by mass of the total of the components (A) to (C), wherein the molding material is a composite in which a composite fiber bundle (D) with the component (A) impregnated with the component (B) is covered with the component (C).

Abstract translation: 成型材料包括5〜50质量份的具有上浆剂的增强纤维（A），1〜20质量份含有作为液体的聚碳二亚胺化合物（B-1）的成分（B） 相对于主链的重复单元结构中含有除碳以外的元素的热塑性树脂（C），相对于100质量份的组分（A ）至（C），其中，所述成型材料为复合纤维束（D）与组分（B）浸渍的组分（A）被组分（C）覆盖的组合物。

公开(公告)号：US20160251498A1

公开(公告)日：2016-09-01

申请号：US15030641

申请日：2014-10-24

Applicant: TORAY INDUSTRIES, INC.

Inventor： Naokichi Imai ,  Kentaro Sano ,  Keisuke Inose

IPC: C08K9/04 ,  C08K7/06 ,  C08L81/00 ,  B29C45/00

CPC classification number: C08K9/04 ,  B29C45/0001 ,  B29C70/14 ,  C08K7/06 ,  C08K2201/004 ,  C08L81/00 ,  C08L81/04

Abstract: A molded article includes 10 to 40% by mass of reinforcing fibers (A); and 60 to 90% by mass of a matrix resin (B) mainly including a polyarylene sulfide, the molded article satisfying conditions (I) to (IV) and having a tensile strength of 240 MPa or more in a main orientation direction of the reinforcing fibers (A) in the molded article, wherein (I) strand tensile strength of the reinforcing fibers (A) is 1.5 to 5.5 GPa, (II) number average fiber length of the reinforcing fibers (A) is 0.4 to 10 mm, (III) tensile elongation of the matrix resin (B) is 1.5 to 10%, and (IV) interfacial shear strength between the reinforcing fibers (A) and the matrix resin (B) is 20 MPa or more.

Abstract translation: 成型体包含10〜40质量％的增强纤维（A）; 和主要包含聚芳硫醚的基质树脂（B）60〜90质量％，满足条件（I）〜（IV），并且在强化剂的主取向方向上的拉伸强度为240MPa以上的成型体 纤维（A），其中（I）增强纤维（A）的线股抗拉强度为1.5〜5.5GPa，（II）增强纤维（A）的数均纤维长度为0.4〜10mm， III）基体树脂（B）的拉伸伸长率为1.5〜10％，（IV）增强纤维（A）与基体树脂（B）的界面剪切强度为20MPa以上。

公开(公告)号：US20140356612A1

公开(公告)日：2014-12-04

申请号：US14372078

申请日：2013-01-17

Applicant: TORAY INDUSTRIES, INC.

Inventor： Kentaro Sano ,  Noriyuki Hirano ,  Masato Honma ,  Atsuki Tsuchiya

IPC: C08J5/04

CPC classification number: C08J5/042 ,  C08J5/043 ,  C08J5/06 ,  C08J5/24 ,  C08J2323/12 ,  C08J2423/00 ,  C08J2423/14 ,  C08J2423/36 ,  C08K7/06 ,  C08K9/04 ,  C08L23/0846 ,  C08L23/10 ,  C08L23/26 ,  C08L51/06 ,  D06M15/55 ,  D06M2101/40 ,  D10B2101/06 ,  Y10T428/249944 ,  Y10T428/249948 ,  Y10T428/2929

Abstract: A molded article excellent in dynamic characteristics and water degradation resistance can be obtained by using a fiber-reinforced polypropylene resin composition including a carbodiimide-modified polyolefin (a), a polypropylene resin (b) and reinforcing fibers (c), wherein the content of the carbodiimide group contained in a resin component in the fiber-reinforced polypropylene resin composition is 0.0005 to 140 mmol based on 100 g of a matrix resin component, and the reinforcing fibers (c) are sizing-treated with a polyfunctional compound (s); and a molding material using the fiber-reinforced polypropylene resin composition.

Abstract translation: 通过使用包含碳二亚胺改性聚烯烃（a），聚丙烯树脂（b）和增强纤维（c））的纤维增强聚丙烯树脂组合物，可以获得动态特性和耐水分劣化性优异的成型体，其中， 纤维增强聚丙烯树脂组合物中的树脂成分中所含的碳二亚胺基团，相对于100g基体树脂成分为0.0005〜140mmol，增强纤维（c）用多官能化合物进行施胶处理。 以及使用纤维增强聚丙烯树脂组合物的成型材料。