AR019945A1 - EXTRUDED THERMOPLASTIC FOAMS USEFUL IN FILTRATION APPLICATIONS. - Google Patents

EXTRUDED THERMOPLASTIC FOAMS USEFUL IN FILTRATION APPLICATIONS.

Info

Publication number
AR019945A1
AR019945A1 ARP990103726A ARP990103726A AR019945A1 AR 019945 A1 AR019945 A1 AR 019945A1 AR P990103726 A ARP990103726 A AR P990103726A AR P990103726 A ARP990103726 A AR P990103726A AR 019945 A1 AR019945 A1 AR 019945A1
Authority
AR
Argentina
Prior art keywords
filter element
cell
extruded thermoplastic
filtration applications
thermoplastic foams
Prior art date
Application number
ARP990103726A
Other languages
Spanish (es)
Original Assignee
Dow Chemical 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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of AR019945A1 publication Critical patent/AR019945A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Filtering Materials (AREA)

Abstract

Un elemento de filtro hecho para encajarse adentro de un alojamiento de elemento de filtro, el elemento de filtro comprendiendo una espuma termoplásticade celdas abiertas, extruida, que tiene una estructura sustancialmente de paredes de celda y puntales de celda, un contenido global de celdas abiertas del 50por ciento o más, un tamano de celda promedio de 1.5 milímetros o menos, y un coeficiente de permeabilidad de 6 x 10 exp. - 13 metros cuadrados o más y,opcionalmente, elementos de retencion para la espuma y un método de filtracion que comprende pasar un líquido o gas a través del elemento de filtro.A filter element made to fit inside a filter element housing, the filter element comprising an extruded open cell thermoplastic foam, having a structure substantially of cell walls and cell struts, a global open cell content of the 50 percent or more, an average cell size of 1.5 millimeters or less, and a permeability coefficient of 6 x 10 exp. - 13 square meters or more and, optionally, retention elements for the foam and a filtration method comprising passing a liquid or gas through the filter element.

ARP990103726A 1998-07-29 1999-07-28 EXTRUDED THERMOPLASTIC FOAMS USEFUL IN FILTRATION APPLICATIONS. AR019945A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9450498P 1998-07-29 1998-07-29

Publications (1)

Publication Number Publication Date
AR019945A1 true AR019945A1 (en) 2002-03-27

Family

ID=22245549

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP990103726A AR019945A1 (en) 1998-07-29 1999-07-28 EXTRUDED THERMOPLASTIC FOAMS USEFUL IN FILTRATION APPLICATIONS.

Country Status (10)

Country Link
EP (1) EP1102618A1 (en)
JP (1) JP2002521188A (en)
KR (1) KR20010072094A (en)
CN (1) CN1306452A (en)
AR (1) AR019945A1 (en)
AU (1) AU4854399A (en)
BR (1) BR9912425A (en)
CA (1) CA2332815A1 (en)
TW (1) TW469156B (en)
WO (1) WO2000006284A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054273A1 (en) * 2005-11-11 2007-05-16 Freudenberg Carl Kg Filter element for removing different sized particles from flowing fluid, contains porous filter material(s) with locally increasing or decreasing pore size
US20190209954A1 (en) * 2016-08-26 2019-07-11 3M Innovative Properties Company Improved room air purifiers and filtration media

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5841297B2 (en) * 1980-06-25 1983-09-10 旭化成株式会社 Polymer compositions for open cell foams
GB8709688D0 (en) * 1987-04-24 1987-05-28 Unilever Plc Porous material
DE4325879C3 (en) * 1993-08-02 1999-05-20 Depron Bv Film made of a thermoplastic foam, process for its production and its use
EP0822956B1 (en) * 1995-04-27 2000-10-25 The Dow Chemical Company Extruded, open-cell microcellular foams, and their preparation process

Also Published As

Publication number Publication date
CN1306452A (en) 2001-08-01
JP2002521188A (en) 2002-07-16
EP1102618A1 (en) 2001-05-30
BR9912425A (en) 2001-04-17
CA2332815A1 (en) 2000-02-10
AU4854399A (en) 2000-02-21
TW469156B (en) 2001-12-21
WO2000006284A1 (en) 2000-02-10
KR20010072094A (en) 2001-07-31

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