Coated webs
AssigneeCamelot Technologies, Inc.
InventorsSperos P. Nemphos, Gregory B. Kharas
Life of this patent
Estimating the term…
Abstract
Biodegradable polymers may be used as binders for impregnating or coating fibrous webs. The resulting web is degradable and also the fibers within the web may be more easily recycled.
Claims33
A web of a cellulosic fiber in which at least a portion of the cellulose fibers are contacted with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula:
- --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I
- wherein in Formula I R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of a hydrogen atom and a C.sub.1-4 alkyl radical and n is 0 or an integer from 1 to 5.
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula:
- --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I
- wherein in Formula I R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of a hydrogen atom and a C.sub.1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with a solution comprising from 5 to 25 weight % of said binder in an organic solvent.
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula:
- --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I
- wherein in Formula I R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of a hydrogen atom and a C.sub.1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with an aqueous dispersion comprising from 20 to 70 weight % of said binder.
A process for impregnating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula:
- --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I
- wherein in Formula I R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of a hydrogen atom and a C.sub.1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises coating said web with a solution comprising from 5 to 25 weight % of said binder in an organic solvent.
A process for impregnating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula:
- --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I
- wherein in Formula I R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of a hydrogen atom and a C.sub.1-4 alkyl radical and n is 0 or an integer from I to 5 which comprises coating said web with an aqueous dispersion comprising from 20 to 70 weight % of said binder.
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula:
- --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I
- wherein in Formula I R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of a hydrogen atom and a C.sub.1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises laminating to said web a film of said binder.
A process for coating a cellulosic web with binder comprising one or more polymers having a molecular weight of greater than 30,000 comprising the residues of one or more monomers of the Formula:
- --OCR.sub.1 R.sub.2 (CR.sub.3 R.sub.4).sub.n CO-- I
- wherein in Formula I R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of a hydrogen atom and a C.sub.1-4 alkyl radical and n is 0 or an integer from 1 to 5 which comprises extrusion coating said web with said binder.
Dependencies are inferred from the claim text.