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    • 6. 发明申请
    • Method Of Producing A Thermoplastically Moldable Fiber-Reinforced Semifinished Product
    • 生产热塑性成型纤维增强半成品的方法
    • US20120181716A1
    • 2012-07-19
    • US13435477
    • 2012-03-30
    • Karl-Ludwig BrentrupHarri Dittmar
    • Karl-Ludwig BrentrupHarri Dittmar
    • B29C43/28
    • B29C70/506B29B15/12D04H1/4218D04H1/48D04H1/485D04H1/54D04H1/544
    • A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.
    • 用于生产热塑性材料和增强纤维的热塑性成型半成品的连续方法包括将热塑性纤维和增强纤维混合在一起形成非织造混纺物,通过针刺或热处理将非织造混纺物固结,将固结的无纺布混合物加热至 温度高于热塑性塑料的软化温度,在加热的压缩模具和冷却的压缩模具中,在小于0.8巴的压力下连续压缩固化的非织造混纺物至少3秒,并且任选地将功能层施加到半成品 。 优选的产品是热塑性材料的热塑性成型半成品和平均长度为20至60mm,空气孔含量为35至65体积%的增强纤维。
    • 8. 发明授权
    • Method of producing a thermoplastically moldable fiber-reinforced semifinished product
    • 生产热塑性模塑纤维增强半成品的方法
    • US08540830B2
    • 2013-09-24
    • US13435477
    • 2012-03-30
    • Karl Ludwig BrentrupHarri Dittmar
    • Karl Ludwig BrentrupHarri Dittmar
    • B29C43/48B29C70/12B29C70/50B32B17/04
    • B29C70/506B29B15/12D04H1/4218D04H1/48D04H1/485D04H1/54D04H1/544
    • A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.
    • 用于生产热塑性材料和增强纤维的热塑性成型半成品的连续方法包括将热塑性纤维和增强纤维混合在一起形成非织造混纺物,通过针刺或热处理将非织造混纺物固结,将固结的无纺布混合物加热至 温度高于热塑性塑料的软化温度,在加热的压缩模具和冷却的压缩模具中,在小于0.8巴的压力下连续压缩固化的非织造混纺物至少3秒,并且任选地将功能层施加到半成品 。 优选的产品是热塑性材料的热塑性成型半成品和平均长度为20至60mm,空气孔含量为35至65体积%的增强纤维。
    • 10. 发明申请
    • Method Of Producing A Thermoplastically Moldable Fiber-Reinforced Semifinished Product
    • 生产热塑性成型纤维增强半成品的方法
    • US20100116407A1
    • 2010-05-13
    • US12688977
    • 2010-01-18
    • Karl Ludwig BrentrupHarri Dittmar
    • Karl Ludwig BrentrupHarri Dittmar
    • B27N3/04
    • B29C70/506B29B15/12D04H1/4218D04H1/48D04H1/485D04H1/54D04H1/544
    • A continuous method for producing a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers, comprises blending thermoplastic fibers and reinforcing fibers together to form a nonwoven blend, consolidating the nonwoven blend by needling or by a thermal treatment, heating the consolidated nonwoven blend to a temperature above the softening temperature of the thermoplastic, compressing the consolidated nonwoven blend successively in a heated compression mold and in a cooled compression mold at a pressure of less than 0.8 bar for at least 3 seconds, and optionally applying functional layers to the semifinished product. The preferred product is a thermoplastically moldable semifinished product of a thermoplastic material and reinforcing fibers with an average length of 20 to 60 mm and an air pore content of 35 to 65 vol %.
    • 用于生产热塑性材料和增强纤维的热塑性成型半成品的连续方法包括将热塑性纤维和增强纤维混合在一起形成非织造混纺物,通过针刺或热处理将非织造混纺物固结,将固结的无纺布混合物加热至 温度高于热塑性塑料的软化温度,在加热的压缩模具和冷却的压缩模具中,在小于0.8巴的压力下连续压缩固化的非织造混纺物至少3秒,并且任选地将功能层施加到半成品 。 优选的产品是热塑性材料的热塑性成型半成品和平均长度为20至60mm,空气孔含量为35至65体积%的增强纤维。