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Manufacture and Characteristics of Sound Absorption Materials by Finishing of Meltblown Nonwovens

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2011, 23(4), pp.304-311
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

송인희 1 Kim Jin-Soo 2 Youngki Hong 2

1(주)선진인더스트리
2건양대학교

Accredited

ABSTRACT

For sound absorption and sound insulation in automobile industry, the sound absorption materials based on meltblown nonwovens were prepared by SMS (spunbond-meltblown-spunbond) technique. And the sound absorption coefficient ( α) of the meltblown nonwoven, produced with isotatic-polypropylene(PP), was examined for the various processing conditions such as die-to-collector distance(DCD), nonwoven weight(GSM), and air suction conditions. The meltblown nonwoven for sound absorption materials was composed of bulky microfiber web, increasing with increases in weight and DCD. The sound absorption coefficient( α) was excellent as a sound absorption materials of PAD type composed of SMS(spunbond-meltblownspunbond)nonwovens.

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