B-STAGING AND COMPOSITE MANUFACTURING PROCESS USING ALL-LIQUID EPOXY RESIN COMPOSITION
    4.
    发明申请
    B-STAGING AND COMPOSITE MANUFACTURING PROCESS USING ALL-LIQUID EPOXY RESIN COMPOSITION 审中-公开
    使用全液型环氧树脂组合物的B分级和复合制造工艺

    公开(公告)号:WO2017087098A1

    公开(公告)日:2017-05-26

    申请号:PCT/US2016/056665

    申请日:2016-10-12

    Abstract: B-staged composites are made using a liquid epoxy resin formulation in which the epoxy resin, hardener and catalyst are all in the liquid phase. The hardener is an aromatic amine or hindered cycloaliphatic amine. The catalyst is a mixture of a BF4 - , PF6 - , AsF6 - , SbF6 - , FeCl4 - , SnCl6 - , BiCl5 - , A1F6 - , GaCl4 - , InF4 - , Tif6 - , ZrF6 - , CIO4 - or R 4 B - salt and certain transition metal compounds. The epoxy resin formulations cure at room temperature or slightly elevated temperatures to form a B-staged material that has a glass transition temperature of 20 to 60°C and contains very little if any gelled material. The B-staged material then cures rapidly at temperatures of 120°C or above.

    Abstract translation: 使用其中环氧树脂,硬化剂和催化剂全部处于液相的液体环氧树脂配方制备B阶化的复合材料。 硬化剂是芳香胺或受阻脂环胺。 该催化剂是BF 4 - ,PF 6 - ,AsF 6 - ,SbF 6 - ,FeCl 4

    CURABLE RESIN COMPOSITION, PREPREG COMPRISING IT AND METHOD FOR MAKING A COMPOSITE MATERIAL FROM THE COMPOSITION
    6.
    发明申请
    CURABLE RESIN COMPOSITION, PREPREG COMPRISING IT AND METHOD FOR MAKING A COMPOSITE MATERIAL FROM THE COMPOSITION 审中-公开
    可固化树脂组合物,包含该组合物的预浸料以及由该组合物制备复合材料的方法

    公开(公告)号:WO2017050995A3

    公开(公告)日:2017-04-27

    申请号:PCT/EP2016072742

    申请日:2016-09-23

    Inventor: ASPIN IAN

    Abstract: A curable resin composition containing: (a) at least one resin; and (b) curative selected from the group consisting of (i) a mixture of at least one low temperature curative and at least one high temperature curative or (ii) a curative that has a low temperature curative part and a high temperature curative part wherein the amount of the low temperature curative is sufficient to cause enough resin-curative addition reaction to effect B-staging in the full resin-curative formulation, the amount of the high temperature curative is sufficient to cause the resin to cure catalytically but insufficient to cause resin-curative addition reaction in the final cure, and the ratio of the resin (a) to the curative (b) is greater than or equal to about 5. The present composition may be used to make prepregs for automotive or aerospace application.

    Abstract translation: 一种可固化树脂组合物,含有:(a)至少一种树脂; 和(b)选自(i)至少一种低温固化剂和至少一种高温固化剂的混合物或(ii)具有低温固化剂部分和高温固化剂部分的固化剂的固化剂,其中 低温固化剂的量足以引起足够的树脂硫化加成反应以在全树脂固化制剂中进行B阶段化,高温固化剂的量足以引起树脂催化固化但不足以引起 在最终固化中树脂固化加成反应,以及树脂(a)与固化剂(b)的比率大于或等于约5.本发明组合物可用于制造用于汽车或航空应用的预浸料坯。

    PREPREG WITH VARIABLE CURE RATE RESIN COMPOSITIONS
    7.
    发明申请
    PREPREG WITH VARIABLE CURE RATE RESIN COMPOSITIONS 审中-公开
    PREPREG与可变固化速率树脂组合物

    公开(公告)号:WO2017055920A1

    公开(公告)日:2017-04-06

    申请号:PCT/IB2016/001504

    申请日:2016-09-27

    CPC classification number: B32B5/28 B32B27/12 C08J5/24 C08J2363/00

    Abstract: A prepreg comprising a layer of impregnated reinforcing fibers comprising at least one layer of reinforcing fibers impregnated by a resin composition comprising at least a thermosetting resin, a curing agent and an accelerator, such that the accelerator has a gradient concentration which is more concentrated in the resin composition in the vicinity of the reinforcing fibers than further away. The resin composition comprising a first resin composition impregnates the reinforcing fibers to provide a layer of impregnated reinforcing fibers and a surface layer comprising a second resin composition is formed on the layer of impregnated reinforcing fibers, wherein the first resin composition has at least one peak exotherm occurring at a time earlier than and/or at a temperature lower than any peak exotherm of the second resin composition, The heat generation from the first resin composition is tailored to initiate or speed up the curing of the second resin composition, leading to a substantial reduction of cure cycle time of the prepreg. Excellent handling and processing abilities of the uncured prepreg and excellent physical, thermal and mechanical properties when cured are achieved.

    Abstract translation: 一种预浸料,其包括浸渍的增强纤维层,其包含至少一层增强纤维层,所述增强纤维层由至少包含热固性树脂,固化剂和促进剂的树脂组合物浸渍,使得促进剂具有更集中在 树脂组合物在增强纤维附近比较远。 包含第一树脂组合物的树脂组合物浸渍增强纤维以提供浸渍的增强纤维层,并且在浸渍的增强纤维层上形成包含第二树脂组合物的表面层,其中第一树脂组合物具有至少一个峰放热 发生在比第二树脂组合物的任何峰值放热低的温度和/或低于第二树脂组合物的任何峰值放热的时间内。来自第一树脂组合物的发热被定制以引发或加速第二树脂组合物的固化,导致大量 预浸料的固化周期时间的缩短。 实现了未固化预浸料的优异处理和加工能力,并且在固化时具有优异的物理,热和机械性能。

    FAST-CURE PRE-PREG
    9.
    发明申请
    FAST-CURE PRE-PREG 审中-公开
    快速PRE-PREG

    公开(公告)号:WO2017030988A1

    公开(公告)日:2017-02-23

    申请号:PCT/US2016/046861

    申请日:2016-08-12

    CPC classification number: C08J5/24 C08G59/5073 C08J2363/00

    Abstract: A laminar pre-preg of fibre-reinforced curable composite material. The pre-preg includes at least one layer of reinforcing fibres impregnated with a curable resin containing one or more curable thermosetting resin(s) and at least one liquid curative, wherein the curable resin exhibits a cure conversion of at least 95% when cured at a cure temperature in the range of from about 100°C to about 160°C and the cure cycle has a duration of no more than 10 minutes, and the glass transition temperature (Tg) of the curable resin when cured is in the range of from about 130°C to about 165°C.

    Abstract translation: 纤维增强固化复合材料的层状预浸料。 预浸料包括至少一层浸渍有含有一种或多种可固化热固性树脂和至少一种液体固化剂的可固化树脂的增强纤维,其中当固化树脂固化时固化转化率至少为95% 固化温度在约100℃至约160℃的范围内,固化循环的持续时间不超过10分钟,固化后的固化树脂的玻璃化转变温度(Tg)在 约130℃至约165℃。

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