CA2054910C - Feuille non tissee a proprietes barriere superieures - Google Patents

Feuille non tissee a proprietes barriere superieures

Info

Publication number: CA2054910C
Authority: CA; Canada
Prior art keywords: polymer; microns; web; molecular weight; nonwoven
Prior art date: 1991-11-04
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

CA 2054910

Other languages

English (en)

Other versions

CA2054910A1 (fr

Inventor

Terry K. Timmons

Peter Kobylivker

Lin-Sun Woon

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Kimberly Clark Worldwide Inc

Original Assignee

Kimberly Clark Corp

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.)

1991-11-04

Filing date

1991-11-04

Publication date

1997-06-17

1991-11-04 Application filed by Kimberly Clark Corp filed Critical Kimberly Clark Corp

1991-11-04 Priority to CA 2054910 priority Critical patent/CA2054910C/fr

1993-05-05 Publication of CA2054910A1 publication Critical patent/CA2054910A1/fr

1997-06-17 Application granted granted Critical

1997-06-17 Publication of CA2054910C publication Critical patent/CA2054910C/fr

2011-11-04 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

230000004888 barrier function Effects 0.000 title claims abstract description 30
229920000642 polymer Polymers 0.000 claims abstract description 67
239000011148 porous material Substances 0.000 claims abstract description 60
239000004744 fabric Substances 0.000 claims abstract description 59
239000000835 fiber Substances 0.000 claims abstract description 32
239000008187 granular material Substances 0.000 claims abstract description 29
239000000155 melt Substances 0.000 claims abstract description 26
-1 polypropylene Polymers 0.000 claims abstract description 22
239000004743 Polypropylene Substances 0.000 claims abstract description 21
229920001155 polypropylene Polymers 0.000 claims abstract description 21
150000002978 peroxides Chemical class 0.000 claims abstract description 10
229920000098 polyolefin Polymers 0.000 claims abstract description 3
238000000034 method Methods 0.000 claims description 21
239000004745 nonwoven fabric Substances 0.000 claims description 14
238000007664 blowing Methods 0.000 claims description 8
230000001954 sterilising effect Effects 0.000 claims 1
238000004659 sterilization and disinfection Methods 0.000 claims 1
239000011347 resin Substances 0.000 description 22
229920005989 resin Polymers 0.000 description 22
240000001987 Pyrus communis Species 0.000 description 9
238000004519 manufacturing process Methods 0.000 description 6
229920001410 Microfiber Polymers 0.000 description 5
239000003658 microfiber Substances 0.000 description 5
239000008280 blood Substances 0.000 description 3
210000004369 blood Anatomy 0.000 description 3
239000012530 fluid Substances 0.000 description 3
239000000463 material Substances 0.000 description 3
241000894006 Bacteria Species 0.000 description 2
102000006835 Lamins Human genes 0.000 description 2
108010047294 Lamins Proteins 0.000 description 2
238000010276 construction Methods 0.000 description 2
210000005053 lamin Anatomy 0.000 description 2
239000002985 plastic film Substances 0.000 description 2
229920006255 plastic film Polymers 0.000 description 2
229920001169 thermoplastic Polymers 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
241000283690 Bos taurus Species 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
239000011954 Ziegler–Natta catalyst Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000001914 filtration Methods 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
230000005764 inhibitory process Effects 0.000 description 1
239000004571 lime Substances 0.000 description 1
239000000203 mixture Substances 0.000 description 1
230000035515 penetration Effects 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
229920001897 terpolymer Polymers 0.000 description 1
239000004416 thermosoftening plastic Substances 0.000 description 1
239000004711 α-olefin Substances 0.000 description 1

Landscapes

Laminated Bodies (AREA)
Artificial Filaments (AREA)
Nonwoven Fabrics (AREA)

CA 2054910 1991-11-04 1991-11-04 Feuille non tissee a proprietes barriere superieures Expired - Fee Related CA2054910C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA 2054910 CA2054910C (fr)	1991-11-04	1991-11-04	Feuille non tissee a proprietes barriere superieures

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA 2054910 CA2054910C (fr)	1991-11-04	1991-11-04	Feuille non tissee a proprietes barriere superieures

Publications (2)

Publication Number	Publication Date
CA2054910A1 CA2054910A1 (fr)	1993-05-05
CA2054910C true CA2054910C (fr)	1997-06-17

Family

ID=4148697

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2054910 Expired - Fee Related CA2054910C (fr)	1991-11-04	1991-11-04	Feuille non tissee a proprietes barriere superieures

Country Status (1)

Country	Link
CA (1)	CA2054910C (fr)

1991
- 1991-11-04 CA CA 2054910 patent/CA2054910C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2054910A1 (fr)	1993-05-05

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Legal Events

Date	Code	Title	Description
1993-09-24	EEER	Examination request
2008-11-04	MKLA	Lapsed