US2015201A - Precipitating bath for viscose filaments - Google Patents

Precipitating bath for viscose filaments Download PDF

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Publication number
US2015201A
US2015201A US468197A US46819730A US2015201A US 2015201 A US2015201 A US 2015201A US 468197 A US468197 A US 468197A US 46819730 A US46819730 A US 46819730A US 2015201 A US2015201 A US 2015201A
Authority
US
United States
Prior art keywords
filaments
bath
per liter
sulphuric acid
precipitating bath
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.)
Expired - Lifetime
Application number
US468197A
Other languages
English (en)
Inventor
Stockly Johann Joseph
Brotz August
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.)
North American Rayon Corp
Original Assignee
North American Rayon Corp
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 North American Rayon Corp filed Critical North American Rayon Corp
Application granted granted Critical
Publication of US2015201A publication Critical patent/US2015201A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath

Definitions

  • the present invention contemplates the addition of certain quantities of zinc sulphate to the bath, this addition producing good results in obviating the defects above mentioned.
  • the sulphate concentration of the bath must not sink below a certain minimum percentage of sulphuric acid present, if

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
US468197A 1929-07-15 1930-07-15 Precipitating bath for viscose filaments Expired - Lifetime US2015201A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2015201X 1929-07-15

Publications (1)

Publication Number Publication Date
US2015201A true US2015201A (en) 1935-09-24

Family

ID=7965987

Family Applications (1)

Application Number Title Priority Date Filing Date
US468197A Expired - Lifetime US2015201A (en) 1929-07-15 1930-07-15 Precipitating bath for viscose filaments

Country Status (7)

Country Link
US (1) US2015201A (fr)
AT (1) AT125196B (fr)
BE (1) BE371903A (fr)
CH (1) CH149058A (fr)
FR (1) FR698413A (fr)
GB (1) GB344751A (fr)
NL (1) NL28983C (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2491938A (en) * 1944-10-18 1949-12-20 Rayonier Inc Method of producing viscose filaments
US2515834A (en) * 1942-11-13 1950-07-18 Du Pont Cellulose filaments and method of producing same
CN110559742A (zh) * 2019-09-16 2019-12-13 武汉纺织大学 一种粘胶基空气过滤材料的制备方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515834A (en) * 1942-11-13 1950-07-18 Du Pont Cellulose filaments and method of producing same
US2491938A (en) * 1944-10-18 1949-12-20 Rayonier Inc Method of producing viscose filaments
CN110559742A (zh) * 2019-09-16 2019-12-13 武汉纺织大学 一种粘胶基空气过滤材料的制备方法
CN110559742B (zh) * 2019-09-16 2021-08-17 武汉纺织大学 一种粘胶基空气过滤材料的制备方法

Also Published As

Publication number Publication date
GB344751A (en) 1931-03-12
NL28983C (fr) 1933-02-15
BE371903A (fr) 1930-08-30
CH149058A (de) 1931-08-31
AT125196B (de) 1931-10-26
FR698413A (fr) 1931-01-30

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