ES416085A1 - Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi. - Google Patents

Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi.

Info

Publication number: ES416085A1
Authority: ES; Spain
Prior art keywords: bleaching; refining process; preparation; dissolving pulps; producing dissolving
Prior art date: 1972-06-19
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.): Expired

Application number

ES416085A

Other languages

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.)

ITT Inc

Original Assignee

ITT Industries Inc

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.)

1972-06-19

Filing date

1973-06-19

Publication date

1976-02-16

1973-06-19 Application filed by ITT Industries Inc filed Critical ITT Industries Inc

1976-02-16 Publication of ES416085A1 publication Critical patent/ES416085A1/es

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title abstract 3
238000004061 bleaching Methods 0.000 title abstract 2
238000007670 refining Methods 0.000 title abstract 2
229920000875 Dissolving pulp Polymers 0.000 title 1
WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 abstract 4
239000003513 alkali Substances 0.000 abstract 2
239000003518 caustics Substances 0.000 abstract 2
238000000605 extraction Methods 0.000 abstract 2
238000002360 preparation method Methods 0.000 abstract 2
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
229920000297 Rayon Polymers 0.000 abstract 1
238000005660 chlorination reaction Methods 0.000 abstract 1

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

ES416085A 1972-06-19 1973-06-19 Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi. Expired ES416085A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00263954A US3817825A (en)	1972-06-19	1972-06-19	Bleaching and refining process for producing dissolving pulps

Publications (1)

Publication Number	Publication Date
ES416085A1 true ES416085A1 (es)	1976-02-16

Family

ID=23003954

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ES416085A Expired ES416085A1 (es)	1972-06-19	1973-06-19	Un proceso para la preparacion de pastas solubles adecuadaspara su uso en la preparacion de rayon viscoxi.

Country Status (5)

Country	Link
US (1)	US3817825A (es)
CA (1)	CA988660A (es)
ES (1)	ES416085A1 (es)
FI (1)	FI60735C (es)
SE (1)	SE403151B (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4239906A (en) *	1979-06-07	1980-12-16	Standard Brands Incorporated	Method for obtaining a purified cellulose product from corn hulls
US4568420B1 (en) *	1984-12-03	1999-03-02	Int Paper Co	Multi-stage bleaching process including an enhanced oxidative extraction stage
US10458067B2 (en)	2017-01-31	2019-10-29	Kimberly-Clark Worldwide, Inc.	High bulk tissue comprising cross-linked fibers
US11970819B2 (en)	2020-01-30	2024-04-30	Kimberly-Clark Worldwide, Inc.	Tissue products comprising crosslinked fibers

1972
- 1972-06-19 US US00263954A patent/US3817825A/en not_active Expired - Lifetime
1973
- 1973-05-31 FI FI1772/73A patent/FI60735C/fi active
- 1973-06-15 SE SE7308428A patent/SE403151B/xx unknown
- 1973-06-18 CA CA174,343A patent/CA988660A/en not_active Expired
- 1973-06-19 ES ES416085A patent/ES416085A1/es not_active Expired

Also Published As

Publication number	Publication date
SE403151B (sv)	1978-07-31
US3817825A (en)	1974-06-18
FI60735B (fi)	1981-11-30
FI60735C (fi)	1982-03-10
CA988660A (en)	1976-05-11

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