RU2001116591A - Composition of Metallic Ink for Fibrous Writing Instruments - Google Patents

Claims (20)

1. A writing instrument comprising a reservoir of close-packed polyester fiber and a feather of a porous oriented polyester fiber with channels to allow ink to pass through it, an ink composition in the reservoir, which includes a color pigmented dispersion and aluminum pigment with particle sizes of not more than about 12 microns, moreover the fiber pen is in contact with the reservoir and is capable of absorbing aluminum pigment as a result of capillary action. 2. The writing instrument according to claim 1, containing a substance that prevents deposition, to maintain aluminum particles in suspension, a non-volatile humidifier, and the specified color pigmented dispersion has particles of submicron sizes. 3. The writing instrument according to claim 2, in which the specified ink composition includes distilled water as a carrier in an amount of about 40-70 wt.%, A water-soluble organic solvent with an evaporation rate of more than 1.0 at a temperature of 25 ° C using butyl acetate with a speed evaporation of the order of 1.0 as the main component; a liquid solution of acrylic resin with a dry matter content of about 40-50%, which is in the ink composition in an amount of about 10-20 wt.%, the aforementioned moisturizer selected from the group of polyglycols with a molecular weight of 400-1025, in an amount of about 5-15 weight. %, aluminum pigmented dispersion with a dry matter content of about 10-15% with particle sizes less than about 12 microns in an amount of 10-25 wt.% with a pH of from about 7.0 to 8.5, a fluoride surfactant with a pH of about 9 , 0 and surface tension of the order of 25 dyne / cm per count 0.25-1.0 wt.%, anti-precipitation substance selected from unsaturated polycarboxylic acids with a low molecular weight and ionic charge, in an amount of 0.25-1.25 wt.%, and an ammonia base for adjusting the pH of the composition ink up to values of the order of 7.5-8.5 in an amount of 0.25-1.5 wt.%, a water-based color pigmented dispersion with a dry matter content of about 35-45% and particle sizes less than about 0.5 microns in an amount 10-20 wt.%. 4. The writing instrument according to claim 2, wherein said ink composition contains a single phase with a viscosity of 5-10 cP, a pH of about 8-8.5, and a surface tension of about 37 dyne / cm and provides a smooth, continuous, opaque "metallic" line. 5. The writing instrument according to claim 2, in which the specified ink composition includes a binder, which is a solution of acrylic resin in an amount of about 10-25 wt.%, Selected from the group or class of solutions of acrylic resins with a glass transition temperature of -16-30 ° C, MFFT ° C <25 ° C, a viscosity of about 50-150 cP and a dry matter content of 40-50%. 6. The writing instrument according to claim 5, in which the specified binder forms a light film at room temperature and remains stable at temperatures of 100-125 ° F for a long time, providing greater durability of the ink composition during storage. 7. The writing instrument according to claim 2, comprising a binder containing polyvinylpyrrolidone polymer in an amount of about 1-2 wt.% To obtain a composition of metal-containing washable ink with a wet and / or dry erasure method, which allows writing on black and white melamine, porcelain and all kinds of non-porous panels. 8. The writing instrument according to claim 2, in which said ink composition contains a water-based dispersion with aluminum pigment, the particle size of which does not exceed 12 microns, obtained from shiny flake aluminum flakes. 9. The writing instrument of claim 8, wherein said aluminum is dispersed in a starch-aqueous medium to prevent precipitation having a pH of 8.0 to 8.5 to prevent the accumulation of hydrogen gas, wherein the aluminum dispersion is stable at a temperature of 100-125 ° F, providing prevention of drying of the writing instrument. 10. The writing instrument according to claim 3, wherein said ink composition is stable in a slightly alkaline environment and does not interact with hydrogen gas, and said surfactant provides a reduction in surface tension and promotes ink flow. 11. The writing instrument according to claim 2, in which the ink composition includes, as a substance that prevents deposition due to low molecular weight, unsaturated polycarboxylic acid with ionic activity, which binds to aluminum pigments, keeping them suspended for a long time in the composition low viscosity ink. 12. The writing instrument according to claim 2, in which the specified substance, preventing deposition, increases the color intensity and prevents substantial precipitation of aluminum pigments. 13. The writing instrument according to claim 2, wherein said ink composition includes a humectant selected from the group of polyglycols with a molecular weight of from 400 to 1025. 14. The writing instrument of claim 2, wherein said ink composition includes a preservative to prevent the formation of fungi and bacteria in water-based inks containing diazolidinyl urea, methyl paraben and propyl paraben. 15. The writing instrument according to claim 2, in which the specified ink composition includes a substance that regulates the pH in the form of a base, providing stabilization of the pH of the specified composition in the range from 8.0 to 8.5. 16. The writing instrument according to claim 2, comprising a reservoir of polyester fiber, which is firmly bonded to a rolled polypropylene film in close contact with a multichannel pen of highly porous oriented fiber containing the specified ink composition, while the specified ink composition has a viscosity of 5-10 cP at a temperature of 25 ° C, a surface tension of less than 40 dyne / cm at a temperature of 25 ° C and a pH of about 7.0-8.5, to obtain indelible and washable "metal" lines on black and white surfaces. 17. The writing instrument according to claim 2, providing the implementation of opaque "metallic" lines on the skin and nails of a person resembling a temporary tattoo that can be washed off with soapy water. 18. A writing instrument comprising a non-valve body, forming an ink tank with an opening covered by a pen of fibrous material, an ink composition in the tank that contains an aluminum pigment dispersion with a particle size of not more than about 12 microns, a submicron pigmented color aqueous dispersion to give hue, anti-precipitation agent to prevent the deposition of aluminum particles and a binder to adhere aluminum pigments to each other. 19. The writing instrument of claim 18, further comprising a preservative, a surfactant to reduce surface tension, and a pH adjusting agent. 20. A method of obtaining temporary tattoos on human skin, which includes the steps of creating a writing instrument comprising a reservoir of close-packed polyester fiber and a feather made of porous oriented polyester fiber with channels allowing ink to pass through it, as well as an ink composition in the reservoir, which includes aluminum pigment with particle sizes of not more than about 12 microns, and the fibrous pen is in contact with the tank and is able to absorb aluminum pigment as a result of capillary of action, and pressing the movable writing instrument on human skin in order to obtain temporary tattoos, which are washed off by non-transparent 'metallic' line.