GB785497A - Cellulose acetate having improved color fastness and process of producing the same - Google Patents
Cellulose acetate having improved color fastness and process of producing the sameInfo
- Publication number
- GB785497A GB785497A GB25515/55A GB2551555A GB785497A GB 785497 A GB785497 A GB 785497A GB 25515/55 A GB25515/55 A GB 25515/55A GB 2551555 A GB2551555 A GB 2551555A GB 785497 A GB785497 A GB 785497A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose acetate
- casting
- compounds
- per cent
- methyl
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0041—Optical brightening agents, organic pigments
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Artificial Filaments (AREA)
Abstract
The colour-fastness of films, yarns, filaments and like products having a basis of cellulose acetate is improved by incorporating in the casting or spinning dope a minor proportion, e.g. 0.04-5 per cent, preferably 0.04-2 per cent, by weight of the cellulose acetate of a vinylpyridine or polymer thereof having in the monomeric form the formula <FORM:0785497/IV (a)/1> where R is hydrogen or methyl, n is 1 or 2 and alkyl groups not having more than 12 carbon atoms may be attached to the heterocyclic ring. Homopolymers of such compounds and copolymers with other compounds having a vinyl group and particularly with conjugated diolefins having 4-6 carbon atoms, such as butadiene, may be used. The preferred compound is poly-2-methyl-5-vinylpyridine, but many other such compounds are specified. The casting or spinning solution generally comprises a 5-35 per cent solution of the acetate in acetone, but other solvents such as acetonyl acetone, dioxane, methyl acetate, ethyl lactate, furfural or chloroform may be used. If a dull yarn is required titanium dioxide is added to the solution. Dye may also be added, but generally the product is dyed after casting or spinning. Specifications 656,727, 691,965, 692,016, [Group III], 744,244 and U.S.A. Specification 2,491,472 are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US785497XA | 1954-09-16 | 1954-09-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB785497A true GB785497A (en) | 1957-10-30 |
Family
ID=22144746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25515/55A Expired GB785497A (en) | 1954-09-16 | 1955-09-06 | Cellulose acetate having improved color fastness and process of producing the same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB785497A (en) |
-
1955
- 1955-09-06 GB GB25515/55A patent/GB785497A/en not_active Expired
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