CA2506065A1 - Rolled tissue products having high bulk, softness and firmness - Google Patents

Rolled tissue products having high bulk, softness and firmness Download PDF

Info

Publication number
CA2506065A1
CA2506065A1 CA 2506065 CA2506065A CA2506065A1 CA 2506065 A1 CA2506065 A1 CA 2506065A1 CA 2506065 CA2506065 CA 2506065 CA 2506065 A CA2506065 A CA 2506065A CA 2506065 A1 CA2506065 A1 CA 2506065A1
Authority
CA
Canada
Prior art keywords
tissue
roll
web
product
fuzz
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA 2506065
Other languages
French (fr)
Other versions
CA2506065C (en
Inventor
Michael Alan Hermans
Clayton C. Troxell
Tammy L. Baum
Sharon S. Chang
James Leo Baggot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimberly Clark Worldwide Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/305,784 external-priority patent/US6887348B2/en
Application filed by Individual filed Critical Individual
Publication of CA2506065A1 publication Critical patent/CA2506065A1/en
Application granted granted Critical
Publication of CA2506065C publication Critical patent/CA2506065C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14Making cellulose wadding, filter or blotting paper
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/14Making cellulose wadding, filter or blotting paper
    • D21F11/145Making cellulose wadding, filter or blotting paper including a through-drying process
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00Calenders; Smoothing apparatus
    • D21G1/006Calenders; Smoothing apparatus with extended nips
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21GCALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G1/00Calenders; Smoothing apparatus
    • D21G1/0066Calenders; Smoothing apparatus using a special calendering belt
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446Wrinkled, creased, crinkled or creped
    • Y10T428/24455Paper
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31971Of carbohydrate
    • Y10T428/31975Of cellulosic next to another carbohydrate
    • Y10T428/31978Cellulosic next to another cellulosic
    • Y10T428/31982Wood or paper

Abstract

Spirally wound paper products are disclosed having desirable roll firmness characteristics and softness properties. The rolled products can be made from a single ply tissue web formed according to various processes. Once formed, the tissue web is subjected to a shear-calendering device that increases the fuzz-on-edge properties of the web and preserves the bulk of the web when wound.

Claims (50)

1. A rolled tissue product comprising:
a single-ply tissue web spirally wound into a roll, the wound roll having a Kershaw roll firmness of less than about 7.8 mm and a roll bulk of greater than about 10 cc/g, the tissue web having a basis weight of greater than about gsm bone dry, the tissue web further having a fuzz-on-edge of greater than about 1.7 mm/mm on at least one side of the web and a geometric mean tensile strength of greater than about 550 g/3 inches.
2. A tissue product as defined in claim 1, wherein the base web comprises an uncreped through-air dried web.
3. A tissue product as defined in claim 1, wherein the roll bulk is about 11 cc/g or greater.
4. A tissue product as defined in claim 1, wherein the roll bulk is about 12 cc/g or greater.
5. A tissue product as defined in claim 1, wherein the Kershaw firmness is from about 7.0 to about 7.8 mm.
6. A tissue product as defined in claim 1, wherein the basis weight of the tissue web is from about 30 gsm to about 38 gsm bone dry.
7. A tissue product as defined in claim 1, wherein the geometric mean tensile strength of the tissue web is about 600 g/3 inches or greater.
8. A tissue product as defined in claim 1, wherein the fuzz-on-edge of at least one side of the tissue web is about 2.0 mm/mm or greater.
9. A tissue product as defined in claim 1, wherein the fuzz-on-edge of at least one side of the tissue web is about 2.5 mm/mm or greater.
10. A tissue product as defined in claim 1, wherein the machine direction coefficient of friction of the higher fuzz-on-edge side of the tissue web is greater than about 0.32, and wherein the cross-machine direction coefficient of friction of the higher fuzz-on-edge side of the tissue web is greater than about 0.32.
11. A tissue product as defined in claim 1, wherein the tissue web has a bending stiffness/GM slope A that is less than about 0.006.
12. A tissue product as defined in claim 1, wherein the tissue web is substantially free of pinholes.
13. A shear-calendering process comprising the steps of:

providing a tissue web, said tissue web comprising pulp fibers; and conveying the tissue web through a nip formed between an outer surface of a rotating roll and an opposing moving surface, wherein the outer surface of the roll and the opposing surface are moving at different speeds within the nip, the nip calendering the tissue web while simultaneously subjecting the web to shearing forces sufficient to increase the fuzz-on-edge properties of the web.
14. A process as defined in claim 13, further comprising the step of spirally winding the tissue web into a rolled product after exiting the nip.
15. A process as defined in claim 13, wherein the opposing surface comprises a rotating roll.
16. A process as defined in claim 13, wherein the opposing surface comprises a moving belt.
17. A process as defined in claim 15, wherein one of the rotating rolls has an exterior surface comprising a polymeric material.
18. A process as defined in claim 15, wherein both of the rotating rolls have an exterior surface comprising a polymeric material.
19. A process as defined in claim 13, wherein the outer surface of the roll and the outer opposing surface are moving at speed differentials between 5%
and 100%.
20. A process as defined in claim 13, wherein the outer surface of the roll and the outer opposing surface are moving at speed differentials between 15%
and 25%.
21. A shear-calendering device that simultaneously calenders and subjects a non-woven web to shearing forces comprising:
a rotatable roll having an exterior surface; and a movable surface opposing the rotating roll;
wherein the rotatable roll and the opposing surface form a nip for receiving tissue webs, the opposing surface and the rotatable roll being configured to move at different speeds within the nip to form a speed differential sufficient to subject a tissue web passing through the nip to shearing forces.
22. A shear-calendering device as defined in claim 21, wherein the opposing surface comprises a second rotatable roll.
23. A shear-calendering device as defined in claim 21, wherein the opposing surface comprises a belt.
24. A shear-calendering device as defined in claim 21, wherein the nip forms a gap that is from 2% to about 25% of the thickness of base webs configured to be fed through the device.
25. A shear-calendering device as defined in claim 21, wherein the speed differential between the rotatable roll and the opposing surface is from about 5% to about 100%.
26. A shear-calendering device as defined in claim 21, wherein the exterior surface of the rotatable roll comprises a polymeric material.
27. A rolled tissue product comprising:
a multi-ply tissue containing at least two plies spirally wound into a roll, the wound roll having a Kershaw roll firmness of less than about 9.0 mm and a roll bulk of greater than about 9 cc/g, the tissue having a basis weight of greater than about 35 gsm bone dry, the tissue further having a fuzz-on-edge of greater than about 2.0 mm/mm on at least one exterior side of the tissue, the tissue further having a geometric mean tensile strength of greater than about 500 g/3 inches.
28. A tissue product as defined in claim 27, wherein the tissue consists of two plies.
29. A tissue product as defined in claim 27, wherein the tissue consists of three plies.
30. A tissue product as defined in claim 27, wherein the wound roll has a Kershaw roll firmness of less than about 8.5 mm.
31. A tissue product as defined in claim 27, wherein the wound roll has a Kershaw roll firmness of less than about 8.0 mm.
32. A tissue product as defined in claim 27, wherein the wound roll has a roll bulk of greater than about 10.0 cc/g.
33. A tissue product as defined in claim 27, wherein the wound roll has a roll bulk of greater than about 11.0 cc/g.
34. A tissue product as defined in claim 27, wherein the wound roll has a roll bulk of greater than about 12.0 cc/g.
35. A tissue product as defined in claim 27, wherein the tissue has a basis weight of from about 35 gsm to about 80 gsm bone dry.
36. A tissue product as defined in claim 27, wherein the exterior side of the tissue has a fuzz-on-edge of greater than about 2.2 mm/mm.
37. A tissue product as defined in claim 27, wherein the exterior side of the tissue has a fuzz-on-edge of greater than about 2.4 mm/mm.
38. A tissue product as defined in claim 27; wherein the tissue has a first exterior side and a second exterior side, each of the exterior sides having a fuzz-on-edge of greater than about 2.0 mm/mm.
39. A tissue product as defined in claim 27, wherein the tissue has a first exterior side and a second exterior side, each of the exterior sides having a fuzz-on-edge of greater than about 2.2 mm/mm.
40. A tissue product as defined in claim 27, wherein the multi-ply tissue is substantially free of pinholes.
41. A shear-calendering process comprising the steps of:
providing a first tissue web, said tissue web comprising pulp fibers;
conveying the first tissue web through a nip formed between an outer surface of a rotating roll and an opposing moving surface, wherein the outer surface of the roll and the opposing surface are moving at different speeds within the nip, the nip calendering the first tissue web while simultaneously subjecting the web to shearing forces sufficient to increase the fuzz-on-edge properties of one side of the web; and combining the first tissue web with a second tissue web to form a multi-ply tissue product, the one side of the first tissue web with increased fuzz-on-edge properties forming an exterior side of the tissue product.
42. A process as defined in claim 41, further comprising the step of spirally winding the multi-ply tissue product into a rolled product.
43. A process as defined in claim 41, wherein the opposing surface comprises a rotating roll.
44. A process as defined in claim 41, wherein the opposing surface comprises a moving belt.
45. A process as defined in claim 42, wherein the tissue product has a bone dry basis weight of greater than about 35 gsm, and wherein the rolled product has a roll bulk of greater than about 9 cc/g and the exterior side has a fuzz-on-edge of greater than about 2.0 mm/mm.
46. A process as defined in claim 41, wherein the outer surface of the roll and the outer opposing surface are moving at speed differentials between 5%
and 100%.
47. A process as defined in claim 41, wherein the outer surface of the roll and the outer opposing surface are moving at speed differentials between 10%
and 25%.
48. A process as defined in claim 41, wherein the second tissue web is also conveyed through a nip formed between an outer surface of a rotating roll and an opposing moving surface, wherein the outer surface of the roll and the opposing surface are moving at different speeds within the nip, the nip calendering the second tissue web while simultaneously subjecting the web to shearing forces sufficient to increase the fuzz-on-edge properties of one side of the second web, the side of the web with increased fuzz-on-edge properties also forming an exterior surface of the tissue product.
49. A process as defined in claim 41, wherein the first tissue web and the second tissue web are attached together using an adhesive.
50. A process as defined in claim 41, wherein the first tissue web and the second tissue web are mechanically attached together.
CA 2506065 2002-11-27 2003-11-26 Rolled tissue products having high bulk, softness and firmness Expired - Fee Related CA2506065C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10/305,784 2002-11-27
US10/305,784 US6887348B2 (en) 2002-11-27 2002-11-27 Rolled single ply tissue product having high bulk, softness, and firmness
US10/700,379 2003-11-03
US10/700,379 US6893535B2 (en) 2002-11-27 2003-11-03 Rolled tissue products having high bulk, softness, and firmness
PCT/US2003/038066 WO2004050992A2 (en) 2002-11-27 2003-11-26 Rolled tissue products having high bulk, softness and firmness

Publications (2)

Publication Number Publication Date
CA2506065A1 true CA2506065A1 (en) 2004-06-17
CA2506065C CA2506065C (en) 2012-05-15

Family

ID=32474114

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2506065 Expired - Fee Related CA2506065C (en) 2002-11-27 2003-11-26 Rolled tissue products having high bulk, softness and firmness

Country Status (9)

Country Link
US (1) US7497925B2 (en)
EP (1) EP1576235B1 (en)
JP (1) JP4972285B2 (en)
KR (1) KR101007445B1 (en)
AU (1) AU2003293176B2 (en)
CA (1) CA2506065C (en)
MX (1) MXPA05005012A (en)
TW (1) TWI268972B (en)
WO (1) WO2004050992A2 (en)

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US7497925B2 (en) 2009-03-03
US20050161178A1 (en) 2005-07-28
TW200422485A (en) 2004-11-01
KR101007445B1 (en) 2011-01-12
WO2004050992A3 (en) 2004-12-02
MXPA05005012A (en) 2005-08-02
JP4972285B2 (en) 2012-07-11
CA2506065C (en) 2012-05-15
EP1576235B1 (en) 2008-12-03
AU2003293176B2 (en) 2008-06-19
JP2006508279A (en) 2006-03-09

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