US1822416A - Art of delustering artificial silk - Google Patents

Art of delustering artificial silk Download PDF

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Publication number
US1822416A
US1822416A US395477A US39547729A US1822416A US 1822416 A US1822416 A US 1822416A US 395477 A US395477 A US 395477A US 39547729 A US39547729 A US 39547729A US 1822416 A US1822416 A US 1822416A
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United States
Prior art keywords
cellulose
artificial silk
art
delustering
thread
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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
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US395477A
Inventor
Frederick C Nonamaker
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FURNESS Corp
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FURNESS CORP
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Publication date
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Priority to US395477A priority Critical patent/US1822416A/en
Application granted granted Critical
Publication of US1822416A publication Critical patent/US1822416A/en
Anticipated expiration legal-status Critical
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)

Description

Patented Sept. 8, 1931 UNITED STATES PATENT OFFICE FRIE'ID EIRIICK C. NONAMAKER, OF GLOUCESTER CITY, NEW JERSEY, ASSIGNOR T FUR- NESS CORPORATION, OF PHILADELPHIA, PENNSYLVANIA, A CORPORATION OF NEW JERSEY ART OF DELUSTERING ARTIFICIAL SILK I No Drawing.
This invention relates to the delustering of artificial silk. 7
In carrying out my invention I employ a cellulose compound having a different index of refraction from that of the cellulose in the finished thread itself, this cellulose compound being applied in ground or pulverized form. The ground material may be cellulose, cellulose esters or an intermediate com- IL pound, kapok or other suitable cellulose bearing material. hydro-cellulose, oxycellulose and the like may be used. It is mixed in the cellulose solution from which the thread is spun, the w mixture being preferably homogeneous. The cellulose solution, after preparation. has no dissolving power on the ground cellulose and it is not affected. There is thus dispersed throughout the cellulose solution, and, e
to therefore, throughout the precipitated filaments of the thread, innumerable infinitesimal particles of cellulose of a different index of refraction. This has the eflect of increasing the opacity of the thread and its cover ing power.
As a specific example, I may employ cotton linters moistened with about a one-half percent hydrochloric acid solution. The linters so moistened are then dried substan- W tially completely, the drying driving off the acid and leaving hydro-cellulose. Hydrocellulose is extremely brittle so that it can I be ground to a very fine state of division sufli cient to permit of its introduction into the r cellulose solution and of the spinning of such mixture through the spinnerets.
I claim 1. The herein described process which con- Modified cellulose, such as Application filed September 26, 1929. Serial No. 395,477.
solution and heating the moistened linters to drive off the acid and to dry the same, in grinding the so dried linters, in mixing the ground material in a cellulose solution, and in spinning the thread therefrom.
In testimony whereof I have hereunto signed my name.
FREDERICK C. NONAMAKER.
sists in mixing a cellulose solution with fine 40 ground cellulose particles having a different index of refraction from the cellulose of the thread, and in spinning the thread from the mixture.
2. The herein described process which comprises moistening cotton linters with an acid
US395477A 1929-09-26 1929-09-26 Art of delustering artificial silk Expired - Lifetime US1822416A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US395477A US1822416A (en) 1929-09-26 1929-09-26 Art of delustering artificial silk

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US395477A US1822416A (en) 1929-09-26 1929-09-26 Art of delustering artificial silk

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US1822416A true US1822416A (en) 1931-09-08

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US395477A Expired - Lifetime US1822416A (en) 1929-09-26 1929-09-26 Art of delustering artificial silk

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443918A (en) * 1944-06-19 1948-06-22 Rhone Poulenc Sa Light-diffusing cellulose acetate compositions
US4391973A (en) * 1981-08-17 1983-07-05 Morca, Inc. Readily hydratable cellulose and preparation thereof
US4762564A (en) * 1987-03-13 1988-08-09 Teepak, Inc. Reinforced cellulose aminomethanate
US5215125A (en) * 1987-03-13 1993-06-01 Teepak, Inc. Cellulose aminomethanate sausage casings
US5295514A (en) * 1987-03-13 1994-03-22 Teepak, Iinc. Cellulose aminomethanate sausage casings

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443918A (en) * 1944-06-19 1948-06-22 Rhone Poulenc Sa Light-diffusing cellulose acetate compositions
US4391973A (en) * 1981-08-17 1983-07-05 Morca, Inc. Readily hydratable cellulose and preparation thereof
US4762564A (en) * 1987-03-13 1988-08-09 Teepak, Inc. Reinforced cellulose aminomethanate
US5215125A (en) * 1987-03-13 1993-06-01 Teepak, Inc. Cellulose aminomethanate sausage casings
US5295514A (en) * 1987-03-13 1994-03-22 Teepak, Iinc. Cellulose aminomethanate sausage casings

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