AR012982A1 - MODIFIED CELLULOSIC FIBERS, METHOD FOR PREPARING THEM AND FIBROUS STRUCTURE CONTAINING THEM - Google Patents

MODIFIED CELLULOSIC FIBERS, METHOD FOR PREPARING THEM AND FIBROUS STRUCTURE CONTAINING THEM

Info

Publication number
AR012982A1
AR012982A1 ARP980102822A AR012982A1 AR 012982 A1 AR012982 A1 AR 012982A1 AR P980102822 A ARP980102822 A AR P980102822A AR 012982 A1 AR012982 A1 AR 012982A1
Authority
AR
Argentina
Prior art keywords
fibers
dry
zero extension
cellulosic fibers
fibrous structure
Prior art date
Application number
Other languages
Spanish (es)
Original Assignee
Procter & Gamble
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
Application filed by Procter & Gamble filed Critical Procter & Gamble
Publication of AR012982A1 publication Critical patent/AR012982A1/en

Links

Abstract

Fibras celulosicas modificadas que tienen un índice traccional con extension cero en seco, que es considerablemente menor que el índicetraccional con extension cero en seco de las correspondientes fibras celulosicas no modificadas. Las fibras que tienen traccional con extension ceroen seco pueden proporcionar estructuras fibrosas que tengan mejor sensacion en la mano, en comparacion con las fibras preparadas a partir de fibras nomodificadas. En particular, tales fibras modificadas proporcionan estructuras fibrosas con mayor flexibilidad, lo que se percibe como una mayor suavidad.La traccional con extension cero en seco reducida se alcanza, de preferencia, haciendo reaccionar las fibras con una enzima celulasa, ocon más de una, ycon un desligante, o con más de uno. El presente invento también se relaciona con una estructura fibrosa que tiene una densidad de no más que alrededorde 0,4 g/cm3, donde la estructura fibrosa comprende fibras celulosicasmodificadas que tienen un índice traccional con extension cero en seco que es,como mínimo, alrededor de 15% menor que el índice traccional con extension cero en seco de las correspondientes fibras celulosicas no modificadas; y dondela estructurafibrosa tiene un modulo de flexion por unidad tensional en seco que es, como mínimo, alrededor de 30% menor que el modulo de flexion porunidad traccional en seco de una estructura fibrosa preparada a partir de las correspondientes fibras no modificadas.Modified cellulosic fibers having a dry zero extension tractional index, which is considerably less than the dry zero extension tractional index of the corresponding unmodified cellulosic fibers. Fibers that have tractional with dry zero extension can provide fibrous structures that have a better feeling in the hand, compared to fibers prepared from nomodified fibers. In particular, such modified fibers provide fibrous structures with greater flexibility, which is perceived as greater softness. Traction with reduced dry zero extension is preferably achieved by reacting the fibers with a cellulase enzyme, or with more than one, and with a detachment, or with more than one. The present invention also relates to a fibrous structure having a density of not more than about 0.4 g / cm3, where the fibrous structure comprises modified cellulosic fibers having a dry zero extension tensile index which is at least about 15% less than the traction index with dry zero extension of the corresponding unmodified cellulosic fibers; and where the fiber structure has a flexural modulus per dry stress unit that is at least about 30% less than the flexural modulus per dry traction unit of a fibrous structure prepared from the corresponding unmodified fibers.

ARP980102822 1997-06-12 1998-06-12 MODIFIED CELLULOSIC FIBERS, METHOD FOR PREPARING THEM AND FIBROUS STRUCTURE CONTAINING THEM AR012982A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4945797P 1997-06-12 1997-06-12

Publications (1)

Publication Number Publication Date
AR012982A1 true AR012982A1 (en) 2000-11-22

Family

ID=21959908

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP980102822 AR012982A1 (en) 1997-06-12 1998-06-12 MODIFIED CELLULOSIC FIBERS, METHOD FOR PREPARING THEM AND FIBROUS STRUCTURE CONTAINING THEM

Country Status (4)

Country Link
AR (1) AR012982A1 (en)
MY (1) MY115589A (en)
PE (1) PE100399A1 (en)
ZA (1) ZA985104B (en)

Also Published As

Publication number Publication date
ZA985104B (en) 1999-11-05
PE100399A1 (en) 1999-12-01
MY115589A (en) 2003-07-31

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