公开(公告)号：EP3078486A1

公开(公告)日：2016-10-12

申请号：EP14867585.3

申请日：2014-12-02

申请人： Mitsubishi Rayon Co., Ltd.

发明人： NAGASAKA Masahiko ,  OGASAWARA Hayato ,  ISHIKAWA Takeshi

IPC分类号： B32B5/28 ,  C08J5/24

摘要： Provided is a fiber-reinforced resin laminate that is characterized by: comprising stacked layers of the (A) layer and the (B) layer that are indicated below; and by the value resulting from dividing the sum total of the thickness of the (A) layer by the sum total of the thickness of the (B) layer being 0.5-3.0. (A) layer: a laminate that comprises a prepreg in which reinforcing fibers are impregnated with a resin or a resin composition and wherein the product of the square of the volume fraction (Vf) of the reinforcing fibers and the average fiber length (Lamm) is greater than 2.0 mm and equal to or less than 15 mm. (B) layer: a sheet that comprises at least one composition selected from the group consisting of resin compositions and filler-containing resin compositions and wherein the product of the square of the volume fraction (Vf) of the filler and the average value (Lbmm) of the maximum length of the filler is 2.0 mm or less.

摘要翻译： 本发明提供一种纤维增强树脂层压体，其特征在于：包括以下所示的（A）层和（B）层的堆叠层; 并且通过将（A）层的厚度的总和除以（B）层的厚度的总和为0.5-3.0而得到的值。 （A）层：包含预浸料的层压体，其中增强纤维用树脂或树脂组合物浸渍，并且其中增强纤维的体积分数（Vf）的平方和平均纤维长度（Lamm）的乘积 大于2.0mm且等于或小于15mm。 （B）层：包含至少一种选自树脂组合物和含填料的树脂组合物的组合物的片材，其中填料的体积分数（Vf）的平方的平均值（Lbmm） ）填料的最大长度为2.0mm以下。

公开(公告)号：EP3045489A1

公开(公告)日：2016-07-20

申请号：EP14844837.6

申请日：2014-09-09

申请人： Mitsubishi Rayon Co., Ltd.

发明人： OGASAWARA Hayato ,  NAGASAKA Masahiko ,  NABESHIMA Yasuhiko ,  ISHIKAWA Takeshi ,  SASAKI Akinobu

IPC分类号： C08J5/24

CPC分类号： C08J5/24 ,  C08J5/042 ,  C08J2323/14 ,  C08J2323/26 ,  C08J2377/02 ,  Y10T428/24314

摘要： A prepreg formed from a resin and unidirectionally aligned reinforcement fibers, characterized in that: the prepreg is sheet-shaped; the prepreg has cutouts of a depth for cutting the reinforcement fibers, and includes reinforcement fibers (A) cut by the cutouts to a length of 10 to 50 mm and reinforcement fibers (B) having a length of equal to or more than 50 % of the sheet length of the prepreg in the alignment direction of the reinforcement fibers; the surface area of a band section including the reinforcement fibers (B) in a plan view is 1.4 % to 35.0 % of the entire surface area of the prepreg in a plan view; and at least one end of the reinforcement fibers (B) is positioned at an end portion of the prepreg in the alignment direction of the reinforcement fibers.

摘要翻译： 由树脂形成的预浸料和单向排列的增强纤维，其特征在于：所述预浸料是片状的; 预浸料坯具有用于切割加强纤维的深度的切口，并且包括由切口切割成10至50mm长度的加强纤维（A），并且具有等于或大于50％的长度的增强纤维（B） 预浸料坯在增强纤维的排列方向上的片材长度; 在平面图中包括增强纤维（B）的带部分的表面积在平面图中为预浸料坯的整个表面积的1.4％至35.0％ 并且所述增强纤维（B）的至少一端位于所述预浸料坯的沿所述增强纤维的排列方向的端部。