AR009111A1 - Una pelicula extruida elastica anisotropa - Google Patents

Una pelicula extruida elastica anisotropa

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Publication number
AR009111A1
AR009111A1 ARP970104607A ARP970104607A AR009111A1 AR 009111 A1 AR009111 A1 AR 009111A1 AR P970104607 A ARP970104607 A AR P970104607A AR P970104607 A ARP970104607 A AR P970104607A AR 009111 A1 AR009111 A1 AR 009111A1
Authority
AR
Argentina
Prior art keywords
blocks
anisotropic
predominantly
polyolefin
elastic
Prior art date
Application number
ARP970104607A
Other languages
English (en)
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of AR009111A1 publication Critical patent/AR009111A1/es

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    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
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    • Y10T442/697—Containing at least two chemically different strand or fiber materials
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    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/697—Containing at least two chemically different strand or fiber materials
    • Y10T442/698—Containing polymeric and natural strand or fiber materials

Abstract

Una tela elástica anisotropa, particularmente una capa de película elástica anisotropa que tiene una direccion de máquina y una direcciontransversal y que tiene un grosor comprendido entre 20 y 300 micrones formada a partir de una mezclae xtruida de una porcion de elastomero de copolímero debloque y una porcion de polímero de poliolefina mezcladas en una relacion comprendida entre 10:1 y 0,4:1, respectivamente. La porcion de elastomeroconsiste generalmente en un elastomero deco polímero en bloque formado por bloques A y bloques B, los bloques A están formados predominantemente pormonoalquenilareno y los bloques B estánn formados predominantemente por dieno conjugado. La porcion de poliolefina está comprendidapredomi nantemente porun polímero, copolímero o mezcla de poliolefina formadora de fibra no elástica. La capa de película anisotropa tiene una relacion de fuerza F10 (entre DM y DT)de por lo menos 1,5. Esta tela elástica anisotropa puede utilizarseen una variedad de aplicaciones en prendas donde se provee un elástico en forma derollo y requiere resistencia en direccion de la máquina y propiedades elásticas en direccion transversal
ARP970104607A 1996-10-04 1997-10-07 Una pelicula extruida elastica anisotropa AR009111A1 (es)

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US08/720,794 US5885908A (en) 1996-10-04 1996-10-04 Anisotropic elastic films

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