US2015201A - Precipitating bath for viscose filaments - Google Patents
Precipitating bath for viscose filaments Download PDFInfo
- 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
Links
- 229920000297 Rayon Polymers 0.000 title description 8
- 230000001376 precipitating effect Effects 0.000 title description 3
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 14
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 11
- 235000009529 zinc sulphate Nutrition 0.000 description 11
- 239000011686 zinc sulphate Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 10
- 238000009987 spinning Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 229910052938 sodium sulfate Inorganic materials 0.000 description 8
- 235000011152 sodium sulphate Nutrition 0.000 description 8
- 239000001117 sulphuric acid Substances 0.000 description 8
- 235000011149 sulphuric acid Nutrition 0.000 description 8
- 238000001035 drying Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 229910000368 zinc sulfate Inorganic materials 0.000 description 4
- VQLYBLABXAHUDN-UHFFFAOYSA-N bis(4-fluorophenyl)-methyl-(1,2,4-triazol-1-ylmethyl)silane;methyl n-(1h-benzimidazol-2-yl)carbamate Chemical compound C1=CC=C2NC(NC(=O)OC)=NC2=C1.C=1C=C(F)C=CC=1[Si](C=1C=CC(F)=CC=1)(C)CN1C=NC=N1 VQLYBLABXAHUDN-UHFFFAOYSA-N 0.000 description 3
- 239000007832 Na2SO4 Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 229920002955 Art silk Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ZQOMKIOQTCAGCM-UHFFFAOYSA-L [Na+].[Na+].OS(O)(=O)=O.[O-]S([O-])(=O)=O Chemical compound [Na+].[Na+].OS(O)(=O)=O.[O-]S([O-])(=O)=O ZQOMKIOQTCAGCM-UHFFFAOYSA-L 0.000 description 1
- 230000004520 agglutination Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 235000012438 extruded product Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
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)
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 (enrdf_load_stackoverflow) |
| AT (1) | AT125196B (enrdf_load_stackoverflow) |
| BE (1) | BE371903A (enrdf_load_stackoverflow) |
| CH (1) | CH149058A (enrdf_load_stackoverflow) |
| FR (1) | FR698413A (enrdf_load_stackoverflow) |
| GB (1) | GB344751A (enrdf_load_stackoverflow) |
| NL (1) | NL28983C (enrdf_load_stackoverflow) |
Cited By (3)
| 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 |
-
1930
- 1930-06-07 NL NL52030A patent/NL28983C/xx active
- 1930-06-23 AT AT125196D patent/AT125196B/de active
- 1930-06-25 CH CH149058D patent/CH149058A/de unknown
- 1930-07-03 GB GB20178/30A patent/GB344751A/en not_active Expired
- 1930-07-05 FR FR698413D patent/FR698413A/fr not_active Expired
- 1930-07-12 BE BE371903D patent/BE371903A/xx unknown
- 1930-07-15 US US468197A patent/US2015201A/en not_active Expired - Lifetime
Cited By (4)
| 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 |
|---|---|
| NL28983C (enrdf_load_stackoverflow) | 1933-02-15 |
| GB344751A (en) | 1931-03-12 |
| FR698413A (fr) | 1931-01-30 |
| AT125196B (de) | 1931-10-26 |
| CH149058A (de) | 1931-08-31 |
| BE371903A (enrdf_load_stackoverflow) | 1930-08-30 |
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