公开(公告)号：CA2842643A1

公开(公告)日：2013-01-31

申请号：CA2842643

申请日：2012-07-25

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUKO ,  TOMIOKA NOBUYUKI ,  HONDA SHIROU ,  NAGANO MAKI ,  ECHIGO YUJI ,  TAKEZAKI HIROSHI ,  KAWASAKI JUNKO ,  TAIKO HIROSHI

IPC: C08J5/24

Abstract: Provided is a prepreg for obtaining a fiber-reinforced composite material which combines stable impact resistance and interlaminar toughness with compressive strength under wet heat conditions. The prepreg comprises an epoxy resin, reinforcing fibers, and polymer particles [C] which are insoluble in the epoxy resin and are either [Cx] or [Cy], wherein 90% or more of [C] are present in the range of from one or each surface of the prepreg to a depth corresponding to 20% of the thickness of the prepreg. [Cx] Polymer particles giving a particle diameter distribution chart (x-i) which has at least two peaks and (x-ii) in which the particle diameter ratio between the two highest peaks is in the range of 1.5-7 and (x-iii) in which the peak, of the two highest peaks, that is located on the larger-particle-diameter side has a half-value width in the range of 1.1-3. [Cy] Polymer particles (y-i) which have an average particle diameter which is 1-18 µm or is larger than 12 µm but not larger than 50 µm, (y-ii) which have a degree of sphericity of 90-100, and (y-iii) which have a glass transition temperature of 80-155ºC.

公开(公告)号：EP3214103A4

公开(公告)日：2017-11-29

申请号：EP15854488

申请日：2015-08-27

Applicant: TORAY INDUSTRIES

Inventor： FUSE AYAKO ,  TOMIOKA NOBUYUKI ,  KOYANAGI SHIZUE ,  ARAI NOBUYUKI ,  HONDA SHIROU

IPC: C08G59/50 ,  C08G59/28 ,  C08G59/32 ,  C08J5/24 ,  C08L63/00

CPC classification number: C08J5/24 ,  C08G59/245 ,  C08G59/28 ,  C08G59/3227 ,  C08G59/38 ,  C08G59/5033 ,  C08G59/504 ,  C08J5/042 ,  C08J2363/02 ,  C08J2463/00 ,  C08J2477/02 ,  C08J2481/06 ,  C08L63/00 ,  C08L2205/02 ,  C08L2205/035 ,  C08L77/00 ,  C08L81/06

Abstract: Provided is an epoxy resin composition with improved heat resistance and resin elongation. Further provided is a fiber-reinforced composite material which uses the epoxy resin composition and thereby excels in compression strength in high-temperature environments and interlaminar toughness. The epoxy resin composition comprises the constituents [A], [B] and [C]. 8-40 mass% of [B] is contained in the epoxy resin composition. The number of moles of active hydrogen contained in [C] is 1.05-2.0 times the number of moles of epoxy groups contained in the entire epoxy resin composition. In a cured resin formed by curing the epoxy resin composition and having a degree of curing of at least 90% obtained by DSC (differential scanning calorimetry), [A], [B] and [C] form a monolayer structure, or a phase separation structure of less than 500nm. The rubber state modulus of elasticity Y (MPa) and glass transition temperature X (°C) obtained by DMA (dynamic mechanical analysis) of the cured resin satisfy formula (1). [A] amine type epoxy resin [B] thermoplastic resin [C] aromatic amine 0.19 X / °C ˆ’ 31.5 ‰¦ Y / MPa ‰¦ 0.19 / °C ˆ’ 27

公开(公告)号：EP2949689A4

公开(公告)日：2016-09-07

申请号：EP14743437

申请日：2014-01-24

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUKO ,  KOBAYASHI HIROSHI ,  TOMIOKA NOBUYUKI ,  TAKEZAKI HIROSHI ,  HONDA SHIROU

IPC: C08J5/24 ,  B29C70/06 ,  B29K63/00 ,  C08J3/16

CPC classification number: C08L63/00 ,  C08J5/24 ,  C08J2363/00 ,  C08L29/04 ,  C08L77/00

Abstract: The invention provides a prepreg that can give a fiber-reinforced composite material exhibiting stable and excellent interlaminar fracture toughness and impact resistance under wide molding conditions. The prepreg includes at least a reinforcement fiber [A], a thermosetting resin [B], and the following component [C] wherein 90% or more of the material [C] is present inside a region of the prepreg that extends from any surface of the prepreg to a prepreg site having, from the surface, a depth of 20% of the thickness of the prepreg. The component [C] satisfies requirements that (i) the storage elastic modulus G' of the material constituting the particles is more than 1 MPa, and 70 MPa or less at 180°C, and that (ii) the ratio of the storage elastic modulus G' of the material constituting the particles at 160°C to the storage elastic modulus G' of the material at 200°C ranges from 1 to 5; and is insoluble in the thermosetting resin [B].

Abstract translation: 本发明提供一种预浸料，其可以在宽的成型条件下得到纤维增强复合材料，其表现出稳定且优异的层间断裂韧性和耐冲击性。 预浸料坯至少包括增强纤维[A]，热固性树脂[B]和以下成分[C]，其中90％以上的材料[C]存在于从任何表面延伸的预浸料坯的区域内 的预浸料坯从预浸料坯的表面具有预浸料坯厚度的20％的深度。 组分[C]满足（i）构成颗粒的材料的储能弹性模量G'大于1MPa，在180℃下为70MPa以下的要求，（ii）存储弹性 在160℃下构成颗粒的材料的模量G'与材料在200℃下的储能弹性模量G'在1至5之间; 并且不溶于热固性树脂[B]。

公开(公告)号：EP2774939A4

公开(公告)日：2015-07-08

申请号：EP12846109

申请日：2012-10-23

Applicant: TORAY INDUSTRIES

Inventor： OKA HIDEKI ,  TOMIOKA NOBUYUKI ,  HONDA SHIROU

IPC: C08G59/58 ,  C08G59/62 ,  C08G59/68 ,  C08J5/04

CPC classification number: C08L63/00 ,  B32B27/04 ,  B32B27/38 ,  C08G59/4284 ,  C08G59/621 ,  C08G59/686 ,  C08G59/688 ,  C08J5/04 ,  C08J5/042 ,  C08J5/24 ,  C08J2363/00

公开(公告)号：EP2738202A4

公开(公告)日：2015-01-07

申请号：EP12817896

申请日：2012-07-25

Applicant: TORAY INDUSTRIES

Inventor： SHIMIZU YUKO ,  TOMIOKA NOBUYUKI ,  HONDA SHIROU ,  NAGANO MAKI ,  ECHIGO YUJI ,  TAKEZAKI HIROSHI ,  KAWASAKI JUNKO ,  TAIKO HIROSHI

IPC: C08J5/24

CPC classification number: D06M15/55 ,  B32B5/02 ,  B32B5/145 ,  B32B5/16 ,  B32B5/22 ,  B32B5/26 ,  B32B5/30 ,  B32B2260/02 ,  B32B2260/025 ,  B32B2260/046 ,  B32B2262/106 ,  B32B2264/0264 ,  B32B2307/50 ,  B32B2307/558 ,  B32B2419/06 ,  B32B2603/00 ,  B32B2605/00 ,  B32B2605/18 ,  C08G59/5033 ,  C08G59/504 ,  C08G69/26 ,  C08J5/24 ,  C08J2363/00 ,  C08L63/00 ,  Y10T428/249945 ,  Y10T442/2951 ,  C08L77/00

Abstract: The invention provides a fiber reinforced composite material having high interlaminar toughness and compressive strength under wet heat conditions, as well as an epoxy resin composition for production thereof and a prepreg producible from the epoxy resin composition. The prepreg comprises at least constituents [A], [B], and [C] as specified below and reinforcement fiber, wherein 90% or more of constituent [C] exists in the depth range accounting for 20% of the prepreg thickness from the prepreg surface: [A] epoxy resin [B] epoxy resin curing agent [C] polymer particles insoluble in epoxy resin and falling under any of the following [Cx] to [Cz]: [Cx] polymer particles insoluble in epoxy resin and giving a particle diameter distribution chart meeting the following requirements from (x-i) to (x-iii): (x-i) the chart has at least two peaks, (x-ii) the particles giving the two highest peaks have a diameter ratio in the range of 1.5 to 7, and (x-iii) the one of the two highest peaks attributable to the larger-diameter particle has a half-value width in the range of 1.1 to 3, [Cy] polymer particles insoluble in epoxy resin and meeting the following requirements from (y-i) to (y-iii): (y-i) the average particle diameter is in the range of 1 to 18 µm, (y-ii) the particle sphericity is in the range of 90 to 100, and (y-iii) the glass transition temperature is in the range of 80 to 155°C, [Cz] polymer particles insoluble in epoxy resin and meeting the following requirements from (z-i) to (z-iii): (z-i) the average particle diameter is more than 12 µm and 50 µm or less, (z-ii) the particle sphericity is in the range of 90 to 100, and (z-iii) the glass transition temperature is in the range of 80 to 155°C.

Abstract translation: 本发明提供一种在湿热条件下具有高层间韧性和抗压强度的纤维增强复合材料，以及用于其制造的环氧树脂组合物和可由环氧树脂组合物生产的预浸料。 预浸料坯至少包含如下所述的成分[A]，[B]和[C]和增强纤维，其中90％以上的组分[C]存在于深度范围内，占预浸料坯厚度的20％ 预浸料坯表面：[A]环氧树脂[B]环氧树脂固化剂[C]不溶于环氧树脂的聚合物颗粒，属于以下任何一种[Cx]至[Cz]：[Cx]不溶于环氧树脂的聚合物颗粒， 满足（xi）至（x-iii）的以下要求的粒径分布图：（xi）图表具有至少两个峰（x-ii）给出两个最高峰的颗粒的直径比在该范围内 为1.5〜7，（x-iii）可归因于较大直径粒子的两个最高峰中的一个具有1.1〜3的半值宽度，[Cy]聚合物颗粒不溶于环氧树脂并满足 从（yi）到（y-iii）的以下要求：（yi）平均粒径在1〜18μm的范围内，（y- ii）粒子球形度在90〜100的范围内，（y-iii）玻璃化转变温度在80〜155℃的范围内，[Cz]不溶于环氧树脂的聚合物粒子，满足以下要求： （zi）〜（z-iii）：（zi）平均粒径大于12μm且50μm以下，（z-ii）粒子球形度在90〜100的范围内，（z-iii ）玻璃化转变温度在80〜155℃的范围内。