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    • 8. 发明申请
    • RAPID CURING EPOXY-RESIN COMPOSITION FOR FIBER-MATRIX SEMIFINISHED PRODUCTS
    • 用于纤维基体半成品的快速固化环氧树脂组合物
    • WO2018077836A1
    • 2018-05-03
    • PCT/EP2017/077082
    • 2017-10-24
    • BASF SE
    • GEHRINGER, LionelYU, MiranHENNINGSEN, MichaelZWECKER, Joachim
    • C08G59/40C08J5/24C08G59/50C08G59/56C08G59/24
    • The present invention relates to an epoxy-resin composition as matrix component for sheet molding compounds (SMC) and/or bulk molding compounds (BMC), comprising a resin component comprising at least one epoxy resin and a hardener component comprising at least one aminoalkylimidazole compound, at least one diazabicycloalkylen compound and at least one latent hardener. In said epoxy-resin composition, the amount of the aminoalkylimidazole compounds used is in the range from 0.007 to 0.025 mol per mole of epoxy groups of the entire composition. The invention also relates to a fiber-matrix-semifinished-product composition (SMC composition or BMC composition) with, as matrix component, the epoxy-resin composition mentioned, and with, suspended therein, short reinforcement fibers with an average length of from 0.3 to 5.0 cm. The fiber-matrix-semifinished-product composition can be produced via mixing of the constituents, whereupon the composition thickens. The resultant thickened product (semisolid fiber-matrix semifinished product) features comparatively short maturing time and comparatively long available operating time. The invention also relates to the corresponding semisolid fiber-matrix composite, in particular to the semisolid SMC and to the corresponding cured fiber-matrix semifinished product, in particular the cured SMC.
    • 本发明涉及作为用于片状模塑料(SMC)和/或块状模塑料(BMC)的基体组分的环氧树脂组合物,其包含树脂组分,该树脂组分包含至少一种环氧树脂和 包含至少一种氨基烷基咪唑化合物,至少一种二氮杂双环烯烃化合物和至少一种潜在硬化剂的硬化剂组分。 在所述环氧树脂组合物中,所使用的氨基烷基咪唑化合物的量在整个组合物中每摩尔环氧基为0.007-0.025摩尔。 本发明还涉及一种纤维基质半成品组合物(SMC组合物或BMC组合物),其具有作为基质组分的所述环氧树脂组合物,并且其中悬浮有平均长度为0.3 到5.0厘米。 纤维基质半成品组合物可以通过混合组分而制得,于是组合物变稠。 所得到的增稠产品(半固体纤维基质半成品)具有相对较短的熟化时间和相对较长的可用操作时间。 本发明还涉及相应的半固体纤维基质复合物,特别是半固体SMC和相应的固化纤维基质半成品,特别是固化的SMC。