Patent classifications
D21H17/59
Cellulose materials and methods of making and using same
The present disclosure provides materials such as cellulose based materials and composite materials. Also provided herein are methods for making or using the materials.
PAPERMAKING FABRICS HAVING MACHINE AND CROSS-MACHINE DIRECTION ELEMENTS AND PAPER PRODUCTS MADE THEREWITH
The present invention discloses a papermaking fabric having a both machine direction (MD) and cross-machine direction (CD) oriented protuberances for molding and structuring a nascent paper web, particularly tissue paper webs. The MD oriented protuberances are spaced apart from one another in the fabric cross-machine direction and may be continuous and parallel to one another. The CD oriented protuberances are preferably discrete and comprise less than 15 percent of the web contacting surface of the fabric. In certain instances the MD oriented protuberances are formed from interwoven filaments and the CD oriented protuberances are nonwoven and may be applied to the woven fabric substrate by printing.
PAPERMAKING FABRICS HAVING MACHINE AND CROSS-MACHINE DIRECTION ELEMENTS AND PAPER PRODUCTS MADE THEREWITH
The present invention discloses a papermaking fabric having a both machine direction (MD) and cross-machine direction (CD) oriented protuberances for molding and structuring a nascent paper web, particularly tissue paper webs. The MD oriented protuberances are spaced apart from one another in the fabric cross-machine direction and may be continuous and parallel to one another. The CD oriented protuberances are preferably discrete and comprise less than 15 percent of the web contacting surface of the fabric. In certain instances the MD oriented protuberances are formed from interwoven filaments and the CD oriented protuberances are nonwoven and may be applied to the woven fabric substrate by printing.
Papermaking fabrics having machine and cross-machine direction elements and paper products made therewith
The present invention discloses a papermaking fabric having a both machine direction (MD) and cross-machine direction (CD) oriented protuberances for molding and structuring a nascent paper web, particularly tissue paper webs. The MD orientated protuberances are spaced apart from one another in the fabric cross-machine direction and may be continuous and parallel to one another. The CD orientated protuberances are preferably discrete and comprise less than about 15 percent of the web contacting surface of the fabric. In certain instances the MD orientated protuberances are formed from interwoven filaments and the CD orientated protuberances are nonwoven and may be applied to the woven fabric substrate by printing.
Papermaking fabrics having machine and cross-machine direction elements and paper products made therewith
The present invention discloses a papermaking fabric having a both machine direction (MD) and cross-machine direction (CD) oriented protuberances for molding and structuring a nascent paper web, particularly tissue paper webs. The MD orientated protuberances are spaced apart from one another in the fabric cross-machine direction and may be continuous and parallel to one another. The CD orientated protuberances are preferably discrete and comprise less than about 15 percent of the web contacting surface of the fabric. In certain instances the MD orientated protuberances are formed from interwoven filaments and the CD orientated protuberances are nonwoven and may be applied to the woven fabric substrate by printing.
ANTI-CONTAMINATION AGENT COMPOSITION
[Problem] To provide a contamination preventing agent composition capable of effectively preventing pitch contamination in a dry part. [Solution] The present invention relates to a contamination preventing agent composition for preventing pitch contamination in a dry part D of a papermaking process, the composition containing: a linear polysiloxane compound represented by formula (1); and a cyclic siloxane compound. [In formula (1), a substituent R.sup.1 represents, in the same molecule, a hydrogen atom, an alkyl group, a methylphenyl group, a polyether group, a higher fatty acid ester group, an amino-modified group, an epoxy-modified group, a carboxylic group, a phenol group, a mercapto group, a carbinol group, or a methacrylic group, and a repeating number n of a siloxane unit represents an integer of 20-1430.]
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Defoaming formulations containing organopolysiloxanes
Defoamer compositions containing a plurality of defined organopolysiloxanes exhibit very short initial foam collapse and yet exhibit long lasting defoaming activity when added to aqueous media prone to foaming.
Defoaming formulations containing organopolysiloxanes
Defoamer compositions containing a plurality of defined organopolysiloxanes exhibit very short initial foam collapse and yet exhibit long lasting defoaming activity when added to aqueous media prone to foaming.
Process for making absorbent towel and soft sanitary tissue paper webs
A process for making an absorbent towel paper web is provided. The process steps include a) providing a papermaking furnish, b) forming a differential density wet fibrous web from the paper making furnish; and, c) drying the differential density wet fibrous web until fibrous web contains not more than about 10% by weight moisture to form the absorbent towel paper web. Step a) provides the steps of providing: i) from about 20.1% to about 99.9% by weight of a softwood pulp fiber mixture and, ii) from greater than 0% to about 79.9% by weight of a hardwood pulp fiber mixture. Step i) further provides the steps of providing u) from about 20% to about 99.8% by weight of softwood pulp fiber, v) from about 0.05% to about 20% by weight of cellulose nano-filaments, and, w) from about 0.05% to about 5.0% by weight of strengthening additive.
Process for making absorbent towel and soft sanitary tissue paper webs
A process for making an absorbent towel paper web is provided. The process steps include a) providing a papermaking furnish, b) forming a differential density wet fibrous web from the paper making furnish; and, c) drying the differential density wet fibrous web until fibrous web contains not more than about 10% by weight moisture to form the absorbent towel paper web. Step a) provides the steps of providing: i) from about 20.1% to about 99.9% by weight of a softwood pulp fiber mixture and, ii) from greater than 0% to about 79.9% by weight of a hardwood pulp fiber mixture. Step i) further provides the steps of providing u) from about 20% to about 99.8% by weight of softwood pulp fiber, v) from about 0.05% to about 20% by weight of cellulose nano-filaments, and, w) from about 0.05% to about 5.0% by weight of strengthening additive.