PT86669A - Disposable absorbent mat material - has abrasion resistant pervious nonwoven web bonded to absorbent underlayer - Google Patents
Disposable absorbent mat material - has abrasion resistant pervious nonwoven web bonded to absorbent underlayerInfo
- Publication number
- PT86669A PT86669A PT8666988A PT8666988A PT86669A PT 86669 A PT86669 A PT 86669A PT 8666988 A PT8666988 A PT 8666988A PT 8666988 A PT8666988 A PT 8666988A PT 86669 A PT86669 A PT 86669A
- Authority
- PT
- Portugal
- Prior art keywords
- absorbent
- layer
- pref
- nonwoven web
- bonded
- Prior art date
Links
Abstract
The material comprises an abrasion-resistant pervious nonwoven web of bonded filaments, and an absorbent layer of microfibres. The layers are bonded intermittently with the bonds penetrating through the pervious layer and joining the fibres of that layer to those in the absorbent layer. The absorbent layer pref. incorporates absorbent particles and/or fibres and is pref. od 30% polypropylene fibres and 70% wood pulp with a basis wt. of 190 g/m2. The pervious layer is pref. of spun-bonded polypropylene treated with or containing a surfactant. Bonds are pref. formed by ultrasound or heat and form pockets to provide enhanced roughness, with the bonds in a diamond or square pattern. There may be a waterproof backing layer over the exposed side of the absorbent layer, e.g. of polyethylene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT8666988A PT86669B (en) | 1988-01-29 | 1988-01-29 | APPROACHES TO, AND RELATING TO, A FLAT MATERIAL |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PT8666988A PT86669B (en) | 1988-01-29 | 1988-01-29 | APPROACHES TO, AND RELATING TO, A FLAT MATERIAL |
Publications (2)
Publication Number | Publication Date |
---|---|
PT86669A true PT86669A (en) | 1989-10-04 |
PT86669B PT86669B (en) | 1994-09-30 |
Family
ID=20084164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT8666988A PT86669B (en) | 1988-01-29 | 1988-01-29 | APPROACHES TO, AND RELATING TO, A FLAT MATERIAL |
Country Status (1)
Country | Link |
---|---|
PT (1) | PT86669B (en) |
-
1988
- 1988-01-29 PT PT8666988A patent/PT86669B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PT86669B (en) | 1994-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19940315 |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19950930 |