Processing

Please wait...

Settings

Settings

1. WO2000039387 - STEAM EXPLOSION TREATMENT WITH ADDITION OF CHEMICALS

Publication Number WO/2000/039387
Publication Date 06.07.2000
International Application No. PCT/US1999/031219
International Filing Date 29.12.1999
Chapter 2 Demand Filed 21.06.2000
IPC
D21B 1/36 2006.01
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
1Fibrous raw materials or their mechanical treatment
04by dividing raw materials into small particles, e.g. fibres
12by wet methods; by the use of steam
30Defibrating by other means
36Explosive disintegration by sudden pressure reduction
CPC
D21B 1/36
DTEXTILES; PAPER
21PAPER-MAKING; PRODUCTION OF CELLULOSE
BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
1Fibrous raw materials or their mechanical treatment
04by dividing raw materials into small particles, e.g. fibres
12by wet methods, by the use of steam
30Defibrating by other means
36Explosive disintegration by sudden pressure reduction
Applicants
  • KIMBERLY-CLARK WORLDWIDE, INC. [US/US]; 401 N. Lake Street Neenah, WI 54956, US
Inventors
  • HU, Sheng-Hsin; US
  • SUN, Tong; US
Agents
  • CROFT, Gregory, E. ; Kimberly-Clark Worldwide, Inc. 401 N. Lake St. Neenah, WI 54956, US
Priority Data
60/114,28430.12.1998US
null20.12.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) STEAM EXPLOSION TREATMENT WITH ADDITION OF CHEMICALS
(FR) TRAITEMENT PAR VAPOCRAQUAGE AVEC ADDITION DE PRODUITS CHIMIQUES
Abstract
(EN)
A process for the production of a fiber having a permanently modified fiber morphology comprising a curl index of at least 0.2 resulting in a fiber with increased bulk, increased surface area and low density, the process comprising: (a) subjecting the fiber to treatment with steam at super atmospheric temperature and pressure for a sufficient period of time to render the fiber morphology permanent; and (b) explosively releasing the super atmospheric steam pressure.
(FR)
L'invention porte sur des fibres recyclées désencrées, modifiées par la vapeur, qui peuvent être utilisées pour produire des feuilles de laboratoire très gonflantes, de haute résistance et à forte porosité. Ces fibres modifiées présentent donc une plus grande souplesse, ce qui est d'une importance fondamentale pour la fabrication des tissus. Un agent de blanchiment peut être ajouté de façon à compenser la perte de blancheur due au traitement par vapocraquage.
Also published as
DE19983877
GBGB0116454.0
Latest bibliographic data on file with the International Bureau