公开(公告)号：US20170037208A1

公开(公告)日：2017-02-09

申请号：US15304657

申请日：2015-04-15

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Thierry Briffaud ,  Mathieu Capelot

IPC: C08J5/24 ,  C08J5/10 ,  B29C45/00 ,  C08G69/26 ,  C08G69/44 ,  C08J5/04 ,  C08G69/32

CPC classification number: C08J5/24 ,  B29C45/0005 ,  B29K2077/00 ,  B29L2031/00 ,  C08G69/265 ,  C08G69/32 ,  C08G69/44 ,  C08G69/48 ,  C08J5/04 ,  C08J5/10 ,  C08J2377/06 ,  C08J2377/10 ,  C08J2377/12 ,  C08K5/353 ,  C08L77/06

Abstract: A process for a composite material, including an assembly of one or more reinforcing fibers, impregnated with at least one thermoplastic polymer with a glass transition temperature Tg of less than or equal to 75° C. and a melting point of from 150° C. to less than 250° C. or a Tg of greater than 75° C., the process including: i) a step of impregnating said assembly in bulk melt form with at least one thermoplastic polymer, which is the product of polymerization by polyaddition reaction of a reactive precursor composition including: a) at least one prepolymer P(X)n of said thermoplastic polymer, and b) at least one chain extender, represented by Y-A-Y, ii) a step of cooling and obtaining a fibrous preimpregnate, and iii) a step of processing and final forming of said composite material.

Abstract translation: 一种复合材料的方法，包括一种或多种增强纤维的组合物，其浸渍有玻璃化转变温度Tg小于或等于75℃并且熔点为150℃的至少一种热塑性聚合物。 至小于250℃或Tg大于75℃，该方法包括：i）将至少一种热塑性聚合物以大体积熔体形式浸渍的步骤，该热塑性聚合物是通过加聚反应进行聚合的产物 的反应性前体组合物，其包含：a）所述热塑性聚合物的至少一种预聚物P（X）n，和b）由YAY表示的至少一种扩链剂，ii）冷却和获得纤维状预浸渍物的步骤，iii ）所述复合材料的加工和最终成型的步骤。

公开(公告)号：US20170037199A1

公开(公告)日：2017-02-09

申请号：US15304676

申请日：2015-04-15

Applicant: Arkema France

Inventor： Gilles Hochstetter ,  Thierry Briffaud ,  Mathieu Capelot

IPC: C08J5/04 ,  B29C70/52 ,  C08G69/48 ,  B29C70/48 ,  C08G69/26 ,  C08G69/28

CPC classification number: C08J5/04 ,  B29C70/48 ,  B29C70/52 ,  B29K2077/00 ,  B29K2105/06 ,  C08G69/265 ,  C08G69/28 ,  C08G69/48 ,  C08G2120/00 ,  C08J2377/06 ,  C08J2377/12 ,  C08L77/06 ,  C08L77/12

Abstract: A molding composition including at least one semi-crystalline polyamide derived from the polyaddition of a) at least one polyamide prepolymer bearing n identical functions X chosen from carboxyl, amine and hydroxyl, and of b) at least one non-polymeric reactive extender bearing two identical functions Y that are reactive with said functions X with n ranging from 1 to 3, the polyamide and prepolymer a) including 55 mol % to 95 mol % of amide units A, 5 mol %-45 mol % of amide units B with A corresponding to x.T in which x is a linear aliphatic C9-C18 diamine and B corresponding to x′.T in which x′ may be B1): specific branched aliphatic diamine dependent on x or B2): MXD or B3): linear aliphatic diamine which depends on x, the polyamide having a Tg of at least 90° C. and a Tm of less than or equal to 280° C.

Abstract translation: 一种模塑组合物，其包含至少一种衍生自a）至少一种聚酰胺预聚物的半结晶聚酰胺，所述聚酰胺预聚物具有n个相同的功能，X选自羧基，胺和羟基，b）至少一种非聚合反应性增量剂， 与n为1至3的所述功能X反应的相同功能Y，聚酰胺和预聚物a）包括55mol％至95mol％的酰胺单元A，5mol％-45mol％的具有A的酰胺单元B 对应于xT，其中x是直链脂肪族C9-C18二胺，B对应于X'，其中x'可以是B1）：取决于x或B2的特定支链脂族二胺）：MXD或B3）：线性脂族二胺 其取决于x，聚酰胺的Tg为至少90℃，Tm为小于或等于280℃。