GB314404A - Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method - Google Patents

Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method

Info

Publication number
GB314404A
GB314404A GB34817/27A GB3481727A GB314404A GB 314404 A GB314404 A GB 314404A GB 34817/27 A GB34817/27 A GB 34817/27A GB 3481727 A GB3481727 A GB 3481727A GB 314404 A GB314404 A GB 314404A
Authority
GB
United Kingdom
Prior art keywords
filaments
spinning
ethers
precipitant
cellulose
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
Application number
GB34817/27A
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.)
Acordis UK Ltd
Original Assignee
British Celanese Ltd
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
Priority to BE355930D priority Critical patent/BE355930A/xx
Priority to BE355931D priority patent/BE355931A/xx
Application filed by British Celanese Ltd filed Critical British Celanese Ltd
Priority to GB30646/28A priority patent/GB314414A/en
Priority to GB34817/27A priority patent/GB314404A/en
Priority to FR664064D priority patent/FR664064A/en
Priority to FR664065D priority patent/FR664065A/en
Priority to US325479A priority patent/US1996120A/en
Priority to US325480A priority patent/US1959443A/en
Publication of GB314404A publication Critical patent/GB314404A/en
Expired 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
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • D01F2/28—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate
    • D01F2/30—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives from organic cellulose esters or ethers, e.g. cellulose acetate by the dry spinning process

Abstract

314,404. British Celaaese, Ltd., Payne, R. W., and Roberts, R. P. Dec. 23, 1927. Cellulose esters and ethers, processes for making filaments from; apparatus for making filaments.-Artificial silks exhibiting a reduced lustre or even a dull matte lustreless appearance, are obtained by the dry-spinning of solutions in volatile solvents of cellulose acetate or other organic acid esters of cellulose or of cellulose ethers, the filaments being extruded into an atmosphere containing one or more organic precipitants for cellulose acetate &c., or the spinning solution containing such a quantity of one or more organic precipitants and the spinning conditions being so chosen that the latter exert a precipitating action on the cellulose acetate &c. during the early stages of filament-formation. Suitable precipitants are-alcohols, such as ethyl alcohol and cyclohexanol; hydrocarbons such as benzene, xylene, petrol and petroleum ether; esters such as butyl propicnate; and ethers such as propyl ether. When the precipitant is added to the evaporative atmosphere it is convenient to introduce it into the cell either in the form of a vapour or as a spray at a point in the path of travel of the filaments at which the latter are still wet with the solvent, that is, within a few inches of the spinning nozzle, and it is convenient to provide a separate inlet for each group of filaments. The degree of delustring depends on the temperature maintained in the cell. When the precipitant is added to the spinning solution, the quantity employed may be 1-40 per cent, preferably 5-30 per cent, of the quantity of volatile solvent; the degree to which delustring takes place depends on the proportion of precipitant added and the temperature of spinning, being generally greater as the proportion of precipitant is higher and the temperature is lower.
GB34817/27A 1927-12-23 1927-12-23 Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method Expired GB314404A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE355930D BE355930A (en) 1927-12-23
BE355931D BE355931A (en) 1927-12-23
GB30646/28A GB314414A (en) 1927-12-23 1927-12-23 Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method
GB34817/27A GB314404A (en) 1927-12-23 1927-12-23 Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method
FR664064D FR664064A (en) 1927-12-23 1928-11-16 Improvements in the manufacture of artificial threads or filaments
FR664065D FR664065A (en) 1927-12-23 1928-11-16 Improvements in the manufacture of artificial threads or filaments
US325479A US1996120A (en) 1927-12-23 1928-12-12 Manufacture of artificial threads or filaments
US325480A US1959443A (en) 1927-12-23 1928-12-12 Manufacture of artificial threads or filaments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34817/27A GB314404A (en) 1927-12-23 1927-12-23 Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method

Publications (1)

Publication Number Publication Date
GB314404A true GB314404A (en) 1929-06-24

Family

ID=10370265

Family Applications (2)

Application Number Title Priority Date Filing Date
GB34817/27A Expired GB314404A (en) 1927-12-23 1927-12-23 Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method
GB30646/28A Expired GB314414A (en) 1927-12-23 1927-12-23 Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB30646/28A Expired GB314414A (en) 1927-12-23 1927-12-23 Improvements in or relating to the manufacture of artificial threads or filaments from cellulose esters or ethers by the dry spinning or evaporative method

Country Status (4)

Country Link
US (2) US1959443A (en)
BE (2) BE355930A (en)
FR (2) FR664064A (en)
GB (2) GB314404A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2636217A (en) * 1949-07-20 1953-04-28 Chemstrand Corp Dry spinning apparatus
US2940122A (en) * 1953-11-13 1960-06-14 Du Pont Melt spinning apparatus with pivotally mounted blowbox
US4040856A (en) * 1975-06-17 1977-08-09 Crown Zellerbach Corporation Production of discrete cellulose acetate fibers by emulsion flashing
DE2752821A1 (en) * 1977-11-26 1979-05-31 Bayer Ag LOW DENSITY HYDROPHILIC ACRYLIC FIBERS

Also Published As

Publication number Publication date
US1996120A (en) 1935-04-02
FR664065A (en) 1929-08-29
BE355931A (en)
GB314414A (en) 1929-06-24
BE355930A (en)
US1959443A (en) 1934-05-22
FR664064A (en) 1929-08-29

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