BR112013000010A2 - mantas fibrosas de eletreto não tecido e método para fabricação de uma manta fibrosa de eletreto não tecida - Google Patents

mantas fibrosas de eletreto não tecido e método para fabricação de uma manta fibrosa de eletreto não tecida

Info

Publication number
BR112013000010A2
BR112013000010A2 BR112013000010A BR112013000010A BR112013000010A2 BR 112013000010 A2 BR112013000010 A2 BR 112013000010A2 BR 112013000010 A BR112013000010 A BR 112013000010A BR 112013000010 A BR112013000010 A BR 112013000010A BR 112013000010 A2 BR112013000010 A2 BR 112013000010A2
Authority
BR
Brazil
Prior art keywords
fibrous nonwoven
nonwoven electret
blankets
mat
making
Prior art date
Application number
BR112013000010A
Other languages
English (en)
Portuguese (pt)
Inventor
David L Vall
Gerry A Hoffdahl
Hendrik Both
Jean Le Normand
Jimmy M Le
John M Brandner
John W Henderson
Liming Song
Mario A Perez
Menno Prinsze
Tien T Wu
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of BR112013000010A2 publication Critical patent/BR112013000010A2/pt

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Classifications

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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
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Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
  • Nonwoven Fabrics (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Multicomponent Fibers (AREA)
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