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Paper structure having at least three regions including decorative indicia comprising low basis weight region

A low-quantity, marking technology, applied in papermaking, patterned paper, paper machines, etc., can solve the problems of reducing paper strength and achieve the effect of enhancing the aesthetic appearance

Inactive Publication Date: 2000-04-19
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] A problem with paper made according to the previous process is that excessive low basis weight regions will reduce the strength of the paper

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Paper structure having at least three regions including decorative indicia comprising low basis weight region
  • Paper structure having at least three regions including decorative indicia comprising low basis weight region
  • Paper structure having at least three regions including decorative indicia comprising low basis weight region

Examples

Experimental program
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preparation example Construction

[0067] The paper structure 20 according to the present invention can utilize Figure 4 The papermaking equipment shown is prepared. The paper of the invention is initiated by providing a plurality of fibers to be suspended in a liquid carrier, such as an aqueous dispersion of papermaking fibers in the form of a suspension; and depositing the papermaking fiber suspension from the headbox 1500 onto the fiber retention forming element 1600 Preparation method of structure 20. exist Figure 4 Here, the forming element 1600 is in the form of a continuous strip. A suspension of papermaking fibers is deposited onto the forming element 1600 and dewatered from the suspension by the forming element 1600 to form a web of papermaking fibers supported on the forming element 1600 . The papermaking fiber suspension may include relatively long fibers having an average fiber length greater than or equal to 2.0 mm, and relatively short fibers having an average fiber length less than 2.0 mm. ...

example 1

[0141] First, a 3% by weight aqueous suspension of northern softwood kraft (NSK) fibers was prepared using a conventional pulper. A 2% solution of a temporary wet strength resin (ie, PAREZ 750 sold by American Cyanamid Company, Stanford, CT) at a rate of 0.2% dry fiber weight was added to the NSK stock tube. The NSK slurry was diluted to a concentration of about 0.2% at the mixing pump. Next, a 3% by weight aqueous suspension of the eucalyptus fibers was obtained using a conventional pulper. A 2% solution of debonding agent (ie, Adogen SDMC sold by Witco Corporation, Dublin, OH) was added to a eucalyptus pulp tube at a rate of 0.1% by weight of the fiber. The eucalyptus slurry was diluted to a consistency of about 0.2% at the mix pump.

[0142] The treated furnish streams are mixed in the headbox and deposited to Figure 16 Forming element 1600 is shown so as to form a uniform web. Forming element 1600 includes a Fourdrinier forming wire having flow restricting features 16...

example 2

[0147] First, a 3% by weight aqueous suspension of northern softwood kraft (NSK) fibers was prepared using a conventional pulper. Temporary wet strength resin (i.e., PAREZ sold by American Cyanamid Company (Stanford, CT)) was added at a ratio of 0.2% by dry fiber weight.  750) 2% solution was added to the NSK slurry tube. The NSK slurry was diluted to a concentration of about 0.2% at the mixing pump. Next, a 3% by weight aqueous suspension of eucalyptus fibers was prepared using a conventional pulper. A 2% solution of a debonding agent (i.e., Adogen® sold by Witco Corporation (Dublin, OH)  SDMC) was added to a tube of eucalyptus pulp. The eucalyptus slurry was diluted to a consistency of about 0.2% at the mix pump. Furthermore, a 3% by weight aqueous suspension of eucalyptus fibers was obtained using a conventional pulper. A 2% solution of a dissociating agent (i.e., Adogen® sold by Witco Corporation (Dublin, OH)  SDMC) and a 2% solution of dry strength binder (i.e., ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

A paper web and method of making the paper web are disclosed. The paper web includes at least three regions disposed in a non random, repeating pattern. The three regions are distinguishable from each other by at least one property selected from the group consisting of basis weight, density, and fiber composition. The paper web has a relatively high basis weight background portion (100) and decorative indicia (200). The decorative indicia (200) comprises one or more relatively low basis weight regions (220).

Description

field of invention [0001] This invention relates to cellulosic fibrous structures having at least three regions of distinct density. More specifically, the invention relates to paper having relatively low basis weight decorative indicia and methods of producing the same. Background of the invention [0002] Cellulosic fibrous structures, such as paper, are known in the prior art. It is often desirable to have regions of different basis weight within the same cellulosic fiber product. The two areas serve different purposes. The high basis weight regions impart tensile strength to the fibrous structure. The low basis weight zone saves raw material, especially fibrous raw material used in the papermaking process, and imparts absorbency to the fibrous structure. In the case of deterioration, the low basis weight regions may be small pores in the fibrous structure. However, it is not necessary that the low quantitation region be a small hole. [00...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21F11/00D21H27/02
CPCD21F11/006D21F11/00
Inventor 迪安·V·P·费恩保罗·D·特罗克汉简·A·胡珀
Owner THE PROCTER & GAMBLE COMPANY
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