| Document |
Document Title |
|
7108897 |
This invention relates to a polyvinyl alcohol type polarizing film or plate which comprises a water-soluble dye having the formula (1) in a free acid form or a copper complex salt thereof. The said polarizing plate has excellent polarizi...
|
|
6713641 |
Disclosed are blue, diol anthraquinone blue colorant compounds having excellent thermal stability and which can be reacted into or copolymerized with polyester thus providing a blue-colored polyesters useful for manufacturing a variety o...
|
|
6454975 |
Bulk yarns having improved elasticity and recovery and methods for their manufacture are described. A first embodiment of the invention involves providing a solution-dyed multifilament yarn of polybutylene terephthalate (PBT) and a multi...
|
|
6235064 |
A dye-containing polarizing film having neutral color which comprises at least one disazo dye represented by the formula (I) in the form of the free acid ##STR1## wherein Me is a transition metal selected from copper, nickel, zinc and ir...
|
|
6060007 |
A dyed braided suture is formed by dry blending a colorant and a thermoplastic resin; extruding the blend by melt spinning to form filaments; drawing the filaments, braiding the drawn filaments and converting the braided filaments to a s...
|
|
5837012 |
A method for dyeing a photographic polyester support is disclosed, comprising the use of transparent pellets and a dye granulated so as to satisfy the requirements that: (1) the particle size is 50% or more; (2) the angle of repose...
|
|
5700296 |
An azo compound of the following formulae (I) or (II): ##STR1## wherein Q 1 represents a phenyl group or a naphthyl group, Q 2 represents a phenyl group; R represents hydroxy group; R 1 and R 2 each independently represent a hydrogen...
|
|
5630849 |
The invention is a method of dyeing aliphatic polyester filaments with a disperse dye by selecting a dyeing temperature, dyeing pH, and dyeing time in such a way that the weight average molecular weight of the aliphatic polyester filamen...
|
|
5613986 |
The invention is a method of producing a melt spun synthetic polymeric filament which has the superior deep dyeability thereof. The method includes the steps of application of a dye dispersed in water to the filaments during the drawing ...
|
|
5423100 |
Novel azo compounds having the specific structural formula (1) or (3) set out below, water-soluble dyes containing the compounds, and polarizing films containing the water-soluble dyes: ##STR1## wherein R 1 represents a hydrogen or halo...
|
|
5290850 |
An improved process for melt spinning a pigmented hexamethylene adipamide fiber from a melt blend of a polymer and a colored pigment wherein the polymer is a random interpolyamide or a block polymer having two different difunctional recu...
|
|
5232461 |
Poly(p-phenylene terephthalamide) (PPD-T) fibers which have been dried are dyed with cationic dyes, or with disperse or acid dyes, by heating the fibers under a high pressure from 29 to 108 psi and at a temperature from 130° to 180° C.
|
|
5223196 |
An improved process for melt-spinning a pigmented hexamethylene adipamide fiber from a melt blend of a polymer and a colored pigment wherein the polymer is a random interpolyamide or a block polymer having two different difunctional recu...
|
|
4992218 |
A polarizing film comprising a polyvinyl alcohol-type film and a dichroic dye, a metallic ion and boric acid incorporated therein, and a process for producing the same, which comprises adsorbing a dichroic dye on a polyvinyl alcohol-type...
|
|
4802886 |
A continuous process for the dyeing of melt-extrudable polymers that are capable of being dyed, is disclosed. The process comprises extruding molten polymer through an orifice, contacting the extruded polymer while still in a molten stat...
|
|
4774141 |
A polarizing film-integrated transparent electrically conductive film, wherein a polysulfone film as a support layer is laminated on at least one surface of a polyvinylalcohol polarizing film which has been dyed with a water-soluble disa...
|
|
4750910 |
Blue-colored bioabsorbable surgical fibers are obtained by adding and dispersing a bioabsorbable polymer, which is selected from polyglycolic acid, poly(l-lactic acid) and glycolic acid-l-lactic acid copolymers all of which are useful as...
|
|
4717391 |
Textile fabrics are dyed in open widths in a closed, heated environment by spraying a heated dye composition containing a dyestuff dispersed in a non-aqueous, high-boiling solvent, without the dye applicator directly contacting the fabri...
|
|
4681595 |
The present invention relates to a process for continuous dyeing of filaments based on atactic polyvinyl chloride in the course of production. It comprises, in succession, the phases of drawing, impregnation of the filaments by padding w...
|
|
4681594 |
The invention relates to a process for continuous dyeing of filaments based on atactic polyvinyl chloride in the course of their production. The undrawn filaments are impregnated with a composition containing at least one plastosoluble d...
|
|
4659523 |
A process for preparing an iodine stainable polyester polarizer film which comprises: (a) extruding a moving molten web of polyester film; and (b) quenching said moving web to solidify it in a substantially amorphous form; and (...
|
|
4628025 |
A support for photographic use comprising a polyester film is disclosed which contains at least one compound of the following formula (I) and at least one quaternary ammonium salt of the following formula (II): ##STR1## a hydroxyl group,...
|
|
4557732 |
Improvement of a process for spin-dyeing acid-modified polymers or copolymers of acrylonitrile in which cationic quaternary dyestuffs are added to the spinning mass and spun according to the wet-spinning procedure. The improvement is cha...
|
|
4440541 |
A dichroic light polarizer comprising a sheet of molecularly oriented polyacrylic acid/chitosan complex having incorporated therein a dichroic dye.
|
|
4396646 |
A method of making patterned polarizer elements having areas exhibiting different optical properties comprising removing the dichroic dye from selected areas of a linear, dichroic, light polarizer and restaining these selected areas with...
|
|
4382801 |
The invention relates to a process for spin dyeing polymers of acrylonitrile or copolymers containing predominantly acrylonitrile, which process comprises adding to the spinning solution a monocationic dye salt of the formula ##STR1## wh...
|
|
4299015 |
A process is provided for space dyeing synthetic yarn in which the synthetic yarn, such as polyester yarn, wound upon a yarn package, is first treated by immersing the ends of the package into a solution of at least one sublimatable ink,...
|
|
4282137 |
The invention relates to polyester filaments and fibers and a process for the production of such polyester filaments and fibers which can be dyed in the absence of a carrier which comprises introducing into the polymer to be spun a silic...
|
|
4265632 |
For coloring in the mass and spin dyeing water-insoluble thermoplastic polymers and polycondensates, especially polyesters, nickel complex disazomethine compounds are used having the general formula (1) ##STR1## in which A and B have the...
|
|
4238190 |
This invention relates broadly to the simultaneous heat transfer printing or transfer dyeing and embossing or surface texturing of fabrics or other relatively flat materials containing thermoplastic fibers or other thermoplastic componen...
|
|
4144023 |
High strength, high modulus aromatic polyamide fibers are dyed by crimping the fibers while wet to at least 10 crimps per inch and maintaining at least 15% by weight moisture based on the dry fibers in the fibers at all times before dyeing.
|
|
4078889 |
The invention relates to a process for the production of dyed filaments from aromatic polyamides which are modified with acid groups.
|
|
4066396 |
The invention relates to a process for the production of dyed filaments of aromatic polyamides which have not been modified with acid or basic group.
|
|
4059403 |
The invention relates to a process for the production of dyed filaments from aromatic polyamides which contain acid groups.
|
|
4030880 |
Synthetic polycarbonamide filaments having more uniform acid dyeability are prepared in a melt-spinning and drawing process by applying a dye leveling agent to the filaments in a spin finish prior to drawing. Dye uniformity is improved w...
|
|
4013406 |
The invention relates to a process for the continuous uniform and penetrative dyeing with high fastnesses of slivers or filaments of acrylonitrile polymers which have been produced by a standard wet-spinning process wherein the slivers o...
|
|
3992499 |
In cospinning two fiber-forming polymers to produce a composite heather yarn from filaments of different dyeability, the apparent weight ratio of one polymer in the yarn can be varied by spinning only a portion of that polymer as a monoc...
|
|
3948664 |
A colored polyetylene terephthalate film to be employed as the support in radiographic films, having incorporated therein certain specific anthraquinone dyes.
|
|
3944386 |
A process is disclosed for dyeing a bundle of dry-spun acrylonitrile polymer filaments before the solvent remaining after the spinning step has been extracted. The filaments having a water content of not over 30%, are subjected to a dye ...
|
|
3933502 |
1,4-BIS(2'-Isopropyl-6'-methylanilino)anthraquinone and a polyethylene terephthalate film support containing this anthraquinone. The anthraquinone has high heat stability and good sublimation characteristics, and has no adverse effects o...
|
|
3926548 |
Hydrophobic fibers containing amino groups and having a dye-reserved surface so as to render the fibers non-dyeable or differential-dyeable, and a process for their preparation.
|
|
3918976 |
A polyethylene terephthalate film for an X-ray photographic film support colored blue by one or more anthraquinone dyes represented by the general formula ##SPC1## Wherein X represents a hydrogen atom; an alkyl group having 1-15 carbon a...
|
|
3871819 |
A process for decreasing the elongation, residual shrinkage and crocking of dyed nylon textile wherein the textile is drawn to stretch the will thereof about 2 to 5 percent and then contacted with a dye for the nylon textile, subsequentl...
|
|
3536673 |
|
|
3512913 |
|
|
3504996 |
|
|
3487453 |
|
|
3447887 |
|
|
3434189 |
|
|
3288897 |
|
