Paper making and fiber liberation – Processes and products – Multi-layer waterlaid webs or sheets
Patent
1993-10-22
1995-08-01
Chin, Peter
Paper making and fiber liberation
Processes and products
Multi-layer waterlaid webs or sheets
162112, 162129, 162130, 162132, 162133, 162141, 162142, 162147, 162149, 162158, 1621643, 1621646, 1621683, 162175, 162177, 162113, D21H 2738
Patent
active
054377668
ABSTRACT:
Multi-ply facial tissue paper products comprising biodegradable chemical softener compositions and a combination of a wet strength binder, either permanent and/or temporary, and a dry strength binder is disclosed.
The multi-ply facial tissue paper products contain a biodegradable chemical softening composition comprising a mixture of a biodegradable quaternary ammonium compound and a polyhydroxy compound. The multi-ply facial tissue paper products also contain an effective amount of a wet strength binder, either permanent and/or temporary, and a dry strength binder to control linting and/or to offset the loss in tensile strength, if any, resulting from the use of the biodegradable chemical softening compositions. The use of both wet strength binder, either permanent and/or temporary, and dry strength binder also improves the retention of the chemical softening composition in the sheet. This results in improving one or more of the following properties of the multi-ply facial tissue paper product: the flexibility, the slip-stick coefficient of friction, the FFE-Index and the HTR-Texture.
Preferably, the majority of the biodegradable chemical softening compositions will be disposed on the outer layers of the multi-ply facial tissue paper products where they are most effective. In other words, the biodegradable chemical softening compositions and the wet strength binder, either permanent and/or temporary, and the dry strength binder can be selectively distributed within the multi-ply facial tissue paper product to enhance the softness, absorbency, and/or lint resistance of a particular layer or ply.
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Hersko Bart S.
Kelly Stephen R.
Ostendorf Ward W.
Phan Dean Van
Trokhan Paul D.
Chin Peter
Hersko Bart S.
Linman E Kelly
Rasser Jacobus C.
The Procter & Gamble & Company
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