熔噴法非織造布生產工藝是采用高熔融指數(簡稱為MFI)的聚合物切片、經過擠壓加熱、熔融成為流動性能很好的高溫熔體后，利用高溫、高速的熱氣流將從噴絲板中噴出的熔體細流吹成很細的纖維，在接收裝置(如成網機) 上聚集成纖網，并利用自身的余熱互相粘結成布的生產過程。
MELT-BLOWING is a unique process in which the molten polymer is blown by hot compressed air (250-300°C) to super fine fibres. A rotary drum (chill roll) or a belt with vacuum cools the hot filament to a diameter of 1 to 10 µm and produce a non-woven web.
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