US5853881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic laminates with improved hysteresis
Assignee: Kimberly Clark Worldwide Inc
•
Filing: 1996-10-11
•
Granted: 1998-12-29
•
Expires: 2016-10-11
Abstract
Abstract A composite elastic material is provided having improved hysteresis comprising a layer of an elastic material bonded to a layer of nonelastic material at least one side. The elastic material layer is made from a blend of a narrow polydispersity number polymer and a conventional elastomer, and the blend is essentially free of low molecular weight polyethylene processing aids. The composite elastic material laminate should have a hysteresis at least 15 percent better than a similar laminate made without the narrow polydispersity number elastomer but with the processing aid.
Inventors
- 👤 Paul Windsor Estey
- 👤 William Bela Haffner
- 👤 Jon Edward Tinsley
- 👤 Susan Elaine Shawver
- 👤 Stephen Clark Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:01
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/02; B32B27/00; B32B27/06; B32B27/12; B32B27/18; B32B27/32; B32B37/00; B32B37/14; B32B37/144; B32B7/00; B32B7/02; B32B7/022; D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/559; B32B2262/00; B32B2262/02; B32B2262/0253; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/025; B32B2270/00; B32B2274/00; B32B2307/00; B32B2307/50; B32B2307/51; B32B2307/514; B32B2307/54; B32B2307/70; B32B2307/726; B32B2437/00; B32B2535/00; B32B2555/00; B32B2555/02; B32B2556/00; B32B2571/00; B32B27/065; B32B27/08; B32B27/30; B32B27/302; B32B27/306; B32B27/327; B32B27/34; B32B27/36; B32B27/40; B32B5/06; B32B5/18; B32B5/22; B32B5/24; B32B5/245; B32B5/26; B32B7/04; B32B7/12; Y; Y10; Y10S; Y10S428/00; Y10S428/903; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929; Y10T442/00; Y10T442/60; Y10T442/601; Y10T442/602; Y10T442/659; Y10T442/66
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
59 words
A composite elastic material laminate having improved hysteresis comprising a layer of an elastic material bonded to a layer of nonelastic material on at least one side, wherein said elastic material layer comprises a blend of a narrow polydispersity number polymer and a conventional elastomer and wherein said blend is essentially free of low molecular weight polyethylene processing aids.
Claim 2
Dependent Claim
59 words
A composite elastic material laminate having improved hysteresis comprising a layer of an elastic material bonded to a layer of nonelastic material on at least one side, wherein said elastic material layer comprises a blend of a narrow polydispersity number polymer and a conventional elastomer and wherein said blend is essentially free of low molecular weight polyethylene processing aids.
Claim 3
Dependent Claim
35 words
The composite of claim 1 wherein said composite elastic material laminate has a hysteresis at least 15 percent better than a similar laminate made without said narrow polydispersity number elastomer but with said processing aid.
Claim 4
Dependent Claim
12 words
The material of claim 1 wherein said blend further comprises a tackifier.
Claim 5
Dependent Claim
26 words
The material of claim 1 wherein said nonelastic material is selected from the group consisting of microfibers, filament arrays, foams, bonded carded webs and coform webs.
Claim 6
Dependent Claim
22 words
The material of claim 1 wherein said elastic material is selected from the group consisting of microfibers, filament arrays, foams and films.
Claim 7
Dependent Claim
13 words
The material of claim 1 wherein said narrow polydispersity elastomer is a polyethylene.
Claim 8
Dependent Claim
43 words
The material of claim 1 wherein said conventional polymer is selected from the group consisting of polyurethanes, copolyether esters, polyamide polyether block copolymers, ethylene vinyl acetates (EVA), block copolymers having the general formula A-B-A' or A-B like copoly(styrene/ethylene-butylene), styrene-poly(ethylene-propylene)-styrene, styrene-poly(ethylene-butylene)-styrene, (polystyrene/poly(ethylene-butylene)/polystyrene, and poly(styrene/ethylene-butylene/styrene).
Claim 9
Dependent Claim
26 words
The laminate of claim 1 made from a process selected from the group consisting of neck bonding, stretch bonding, neck-stretch bonding, and zero strain stretch bonding.
Claim 10
Dependent Claim
8 words
A garment comprising the laminate of claim 1.
Claim 11
Dependent Claim
10 words
An infection control product comprising the laminate of claim 1.
Claim 12
Dependent Claim
12 words
An outercover for personal care products comprising the laminate of claim 1.
Claim 13
Dependent Claim
12 words
A cuff for personal care products comprising the laminate of claim 1.
Claim 14
Dependent Claim
13 words
A stretch ear for personal care products comprising the laminate of claim 1.
Claim 15
Dependent Claim
13 words
A side panel for personal care products comprising the laminate of claim 1.
Claim 16
Dependent Claim
94 words
A laminate comprising a layer of nonelastic material bonded while necked to an elastic material layer, said elastic material layer comprising a blend of from about 62 to about 80 weight percent of a conventional elastomer and from about 10 to about 30 weight percent of a narrow polydispersity number polyolefin elastomer, wherein said blend is essentially free of low molecular weight polyethylene processing aids, and wherein said laminate has a hysteresis at least 15 percent better than a similar laminate made without said narrow polydispersity number polyolefin elastomer but with said processing aid.
Claim 17
Dependent Claim
94 words
A laminate comprising a layer of nonelastic material bonded while necked to an elastic material layer, said elastic material layer comprising a blend of from about 62 to about 80 weight percent of a conventional elastomer and from about 10 to about 30 weight percent of a narrow polydispersity number polyolefin elastomer, wherein said blend is essentially free of low molecular weight polyethylene processing aids, and wherein said laminate has a hysteresis at least 15 percent better than a similar laminate made without said narrow polydispersity number polyolefin elastomer but with said processing aid.
Claim 18
Dependent Claim
26 words
The laminate of claim 15 wherein said nonelastic material is selected from the group consisting of microfibers, filament arrays, foams, bonded carded webs and coform webs.
Claim 19
Dependent Claim
22 words
The laminate of claim 15 wherein said elastic material is selected from the group consisting of microfibers, filament arrays, foams and films.
Claim 20
Dependent Claim
13 words
The laminate of claim 15 wherein said narrow polydispersity elastomer is a polyethylene.
Claim 21
Dependent Claim
68 words
A neck bonded laminate comprising a layer of nonelastic microfiber web material bonded while necked to an elastic film layer, said film comprising a blend of from about 62 to about 80 weight percent of a conventional elastomer and from about 10 to about 30 weight percent of a narrow polydispersity number polyolefin elastomer and wherein said blend is essentially free of low molecular weight polyethylene processing aids.
Claim 22
Dependent Claim
68 words
A neck bonded laminate comprising a layer of nonelastic microfiber web material bonded while necked to an elastic film layer, said film comprising a blend of from about 62 to about 80 weight percent of a conventional elastomer and from about 10 to about 30 weight percent of a narrow polydispersity number polyolefin elastomer and wherein said blend is essentially free of low molecular weight polyethylene processing aids.
Claim 23
Dependent Claim
33 words
The laminate of claim 19 wherein said laminate has a hysteresis at least 15 percent better than a similar laminate made without said narrow polydispersity number polyolefin elastomer but with said processing aid.
References Cited (Backward Citations)
US3338992A
Cited
US3502763A
Cited
US3341394A
Cited
US3542615A
Cited
US3849241A
Cited
US3802817A
Cited
US3692618A
Cited
US4041203A
Cited
US4100324A
Cited
DE2513251A1
Cited
US4340563A
Cited
US4542199A
Cited
US4443513A
Cited
US4446189A
Cited
US4795668A
Cited
US4818464A
Cited
US4652487A
Cited
US4655760A
Cited
US4657802A
Cited
US4663220A
Cited
US4720415A
Cited
US4803117A
Cited
US4724184A
Cited
US4707398A
Cited
US4789699A
Cited
US4781966A
Cited
US4741949A
Cited
US4820572A
Cited
US4923742A
Cited
US5204429A
Cited
US4787699A
Cited
US5466410A
Cited
US4981747A
Cited
US5514470A
Cited
US4965122A
Cited
WO1990003464A2
Cited
US5336545A
Cited
US5226992A
Cited
US5069970A
Cited
US5108820A
Cited
US5108827A
Cited
US5294482A
Cited
US5188885A
Cited
US5064802A
Cited
US5624729A
Cited
US5114781A
Cited
US5057368A
Cited
US5169706A
Cited
US5304599A
Cited
US5178931A
Cited
US5349100A
Cited
US5189192A
Cited
US5167897A
Cited
US5143679A
Cited
US5200443A
Cited
US5151092A
Cited
US5196000A
Cited
US5277976A
Cited
US5278272A
Cited
US5272236A
Cited
US5385775A
Cited
US5352749A
Cited
US5374696A
Cited
US5244482A
Cited
US5366793A
Cited
US5382400A
Cited
US5336552A
Cited
US5332613A
Cited
EP0707106A1
Cited
EP0712892A1
Cited
WO1997020091A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-12-28 | 2002-06-29 | 2002-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-12-28 | 2006-06-29 | 2006-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-12-28 | 2010-06-29 | 2010-12-29 | $7700.00 | Window Closed / Lapsed |