The composition for the image printing on cellulosic and synthetic substrates

 

(57) Abstract:

The invention relates to a drawing graphic means, in particular, compositions intended for drawing, drawing of inscriptions and drawings on paper and synthetic media, and for creating images on diazotype domestic and foreign materials used for copying in topografogeodetic and cartographic production. Describes a new composition for the image printing on cellulosic and synthetic substrates, comprising a pigment, water soluble binder, glycerin, diamid carbonic acid and water. Its difference is that it additionally contains a stabilizer and hydrogen peroxide in the following ratio, wt.%: pigment - 5,5-16,8; waterborne binder - 10,0-18,6; glycerol - 0,5-1,8; diamid carbonic acid - 0,3-2,0; stabilizer is 0.1 to 1.0; hydrogen peroxide - 0,05-0,1; water - the rest. The technical result - the reduction of the length of the fixing composition to various substrates and extending the scope of its application. 4 C.p. f-crystals, 4 PL.

The invention relates to drawing and graphic tools, in particular to setevaporation, and for creating images on diazotype materials used for copying in topographic-geodesic and cartographic production.

Known composition for drawing (A. C. USSR N 1823477, C 09 D 11/16, 1990), containing, wt.%: pigment - 10,0, latex-based best choice copolymer - 8,1; dispersant NF - 0.8; alkyltrimethylammonium - 0,01; glycerol - 1,0; urea - 3,8; ammonia (25%) - 0.2 and water - the rest. This composition has good adhesion to paper, but too slowly fixed on synthetic films (about 3 minutes) and has no adhesion to diazotype substrates.

Known composition for drawing works (RF patent N 2037506, C 09 D 11/16, 1995), designed to work on paper, tracing paper, synthetic materials, containing, by weight. %: carbon black (24,4% aqueous paste) - 20,5; acrylate binder (Gramos K-210) - 2,0; a mixture of glycerol with urea at a mass ratio of 2:1-0,8; drug AF-10 - 0,5; isopropyl alcohol - 0,3; polyhexamethyleneguanidine - 0.005 and water - the rest. This composition creates vivid images and has adhesion to paper and synthetic film, but forms the image in black only and is not fixed on datamaterial.

The most ousa paint, including, wt.%: the aqueous paste of carbon black as a pigment - 12,8-18,5%, water soluble binder in the form of a mixture of latex BOC-302 with butyl rubber latex in the mass ratio 1: 1.5 - 12,8-20,0%, glycerol - 1,8-2,5%; hexamethylenediisocyanate - 0,05-0,07%; diamid carbonic acid of 8.8 to 10.0%, water - the rest (RF patent N 2030430, C 09 D 109/04; 119/02, 1995).

Known composition forms a relatively slow (approximately 50 seconds), the image on the paper, some synthetic films and photos, but stays (not wetted and has no adhesion) to diazotype film received currently in wide use in topographic-geodesic and cartographic production. Datamaterial compared with silver halide has the following advantages: light-sensitive layers, due to molecular-dispersed patterns have a small thickness (2-3 µm) and you can get them bessernistyj image with high resolution. In addition, they are much cheaper due to the lack of silver. The composition of known composition are not only suitable for use on diazotype substrates, but does not allow drawing work due to poor runoff from the pen, ruling pen, etc. If littelest fixing composition to various substrates and extend the scope of its application by increasing adhesion to diazotype materials and the possibility of using the composition while working as a brush, and pen, ruling pen and other drawing tools in a variety of colors.

For this purpose, the composition for the image printing on cellulosic and synthetic substrates, comprising a pigment, water soluble binder, glycerin, diamid carbonic acid and water, additionally contains a stabilizer and hydrogen peroxide in the following ratio, wt.%:

Pigment - 5,5-16,8

Vodorazbavlyaemoy binder - 10,0-18,6

Glycerin - 0,5-1,8

Diamid carbonic acid - 0,3-2,0

Stabilizer - 0,1-1,0

Hydrogen peroxide - 0,05-0,1

Water - the Rest

As pigment proposed composition contains an aqueous suspension of one chromophore products (pigments) having a group azo-, or polycyclic phthalocyaninato structure.

As the water soluble binder composition contains an acrylic-modified resorcinolformaldehyde resin the best choice or styrene-acrylic latex.

As the stabilizer composition contains a surfactant.

As the surfactant composition contains ethoxylated monoalkylphenols based trimers of propylene or carboxymethylate.

As the pigment of the claimed composition may contain 10-25% aqueous suspension of one of the following components: azopigments red, carbon black, antrahinonovye pigment yellow (flavanone), phtalocyanine blue and green pigments, etc.

Azopigments scarlet has the General formula C17H14N3O3yellow pigment - C28H13N2O2, phtalocyanine blue (heliogen) - C31H16CuN8. Phtalocyanine green pigment in contrast to the blue contains in the molecule 15 chlorine atoms replace hydrogen atoms on the outer faces of the crystals, which makes the surface more hydrophilic. Carbon black can be seen on chemical structure as polycyclic hydrocarbons, the presence of oxygenated functional groups on the surface of particles which provides the adsorption plaincourault Astoriya in water of particles of 1.0 to 1.5 μm, pH is 709, the content of mechanical impurities not more than 0.2%, resistance to water and light - 5-6 points. Pigment paste (slurry) both in Russia and abroad are produced mainly in the following colors: red, blue, black, green, yellow, brown. They are all equally suitable for use in the proposed composition, subject to compliance with the above specifications.

As the water soluble binder is used, for example, acrylic or modified resorcinolformaldehyde resin the best choice latex with a mass fraction of styrene units 60-65% or styrene-acrylic. In table. And specifications used interchangeably latex.

These latexes are characterized by a high ratio of pigment/binder, high adhesion, good rheology. Despite some differences in their characteristics, they all provide the same qualitative indicators of the proposed structure.

Glycerin provides elasticity image, preventing it from cracking in the bend regions of the substrate, and promotes uniform runoff from the drawing tools.

Diamid coal sour the duration of imaging.

Stabilizer, specifically Cerberus on the border of the pigment-water improves the stability of the compounds increases their service life, contributes to the formation of homogeneous images on various substrates, including diazotype. In the stabilizer is used, for example, neonol AF-10 (Russia) or sinterol AFM-6 (Russia).

All these stabilizers help to increase the viability of colorful water systems regardless of the nature of the binder (acrylic, styrene-acrylic or modified the best choice latex). In table. B shows the main characteristics of the stabilizers.

Neonol AF-10 is an ethoxylated monoalkylphenols-based propylene trimer following formula

RC6H4O(C2H4O)nH,

where R is a branched alkyl radical (isononyl);

N is the number of moles of ethylene oxide per 1 mole of alkylphenol.

Sinterol AFM-6 is carboxymethylate polyoxyethylene isononylphenol based trimers propylea General formula

RO(C2H4O)nCOONa,

where N is the number of moles of ethylene oxide;

R - isononylphenol.

As oxidant IP is what a waterborne binder enriched oxygen-containing groups (carboxyl, hydroxyl and others) capable of various intermolecular interactions, leading to formation of a solid image, the adhesion is associated with various types of substrates, including diazotype, increasing water resistance and durability of the printed information. Furthermore, the addition of hydrogen peroxide reduces the viscosity of the compositions and deepens the color of the image.

Examples of compositions of the claimed composition are presented in table 1, and their properties are shown in table 2. As follows from table 2, the composition for the image printing on cellulosic and synthetic substrates, including diazotype, has high adhesion to various substrates, flows well with the drawing tools, creating images with high resolution and elasticity over a relatively short period (examples 2-16). The compositions of examples 2-16 surpass known in terms of "adhesion" to diazotype materials. Moreover, unlike known they are easily drain from the drawing tools have a 5 times greater elasticity and 2.5 times faster form images on various substrates. The latter testifies to the universality of the proposed structure and its Ameritech (examples 2-10), that allows you to expand the raw material base and facilitates the supply of raw materials. In addition, it is possible to use interchangeable stabilizers, both domestic and foreign production (examples 8-16).

Compositions containing components with exorbitant values (examples 17-22) compared to the proposed (2-16) inferior to the latter by a number of indicators. Thus, a reduction in the content of the pigment (example 17) and the increase of its content (example 18) in comparison with the claimed limits leads to deterioration of adhesion to diazotype materials, to reduce the resolution of the composition, to increase the drying time of the image. Lower pigment content leads to poor appearance of the applied graphics, but its higher content (example 18) to the formation of associates and uneven, non-uniform image. With the increase of the content of the binder is more than the claimed range (example 19) deteriorates runoff composition with drawing tools, as a result, deteriorates and resolution, as well as the duration of the fixation of the image. When reducing the binder content below the stated limits (example 20) is decreasing adhese there are cracks in the picture that is invalid. Decreasing the content of the stabilizer below the stated limits (example 21) deteriorates wetting compositions of the substrate and, as a consequence, reduced adhesion and elasticity is greatly reduced resolution due to poor runoff composition with drawing tools. With the increasing content of the stabilizer in the composition (example 22) also observed the deterioration of adhesion is too easy draining from the drawing tools, which increase the width of the lines for the duration of the fixation of the image, i.e., deficiency and excess stabilizer has a negative impact on the quality of the compositions, it is important to observe in the manufacture of the compositions specified quantitative ratio of ingredients.

Thus, the compositions produced in accordance with the invention, have sufficient adhesion to the paper having a capillary-porous structure, and synthetic film materials exhibiting zamknutoi structure without holes (pores). The proposed composition thanks to the selection and combination included in its composition of ingredients solves the problem of reducing the duration of its fixing on various poduim a number of economic and operational advantages in front of silver halide.

In addition, the proposed composition is used for various drawing and graphics tools (pen, brush, ruling pen, etc. in a wide range of colours and due to the optimum draining allows you to create images with high resolution in a short period. Thanks to the above characteristics, the introduction of the proposed composition is economically and technically feasible.

1. The composition for the image printing on cellulosic and synthetic substrates, comprising a pigment, water soluble binder, glycerin, diamid carbonic acid and water, characterized in that it additionally contains a stabilizer and hydrogen peroxide in the following ratio, wt.%:

Pigment - 5,5-16,8

Waterborne binder - 10,0-18,6

Glycerin - 0,5-1,8

Diamid carbonic acid - 0,3-2,0

Stabilizer - 0,1-1,0

Hydrogen peroxide - 0,05-0,1

Water - the Rest

2. Composition under item 1, characterized in that as a pigment it contains 25% aqueous suspension of pigment azo-, or polycyclic phthalocyaninato structure.

3. Composition under item 1, characterized in that as a waterborne binder it contains AK the LASS="ptx2">

4. Composition under item 1, characterized in that the stabilizer it contains surface-active substances.

5. The composition according to p. 4, characterized in that the surface-active substances it contains ethoxylated monoalkylphenols based trimers of propylene or carboxymethylate.

 

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