SU1085998A1 - Paint and varnish composition for coatings - Google Patents

Abstract

PAINT COATING COMPOSITIONS, including modified alkyd resin, petroleum resin, organic solvent, desiccant, pigments, characterized in that, in order to increase the stability of the viscosity of the composition during storage and increase the light fastness of the coatings, it will have a aroma in the aroma of the aroma of the aroma of the aroma of the composition. softening point of 85-95 ° C based on the Cg-C fraction (j products of the cracking of petroleum or petroleum products with a boiling point of 120-200 ° C and additionally homogenizing ku selected from the group including phthalic acid esters, bottoms of rectification columns of cyclohexamone and cyclohexanol during high-temperature oxidation of cyclohexane in the production of caprolactam, in the following ratio of components, wt.%: (L Modified alkyd resin 14.0-25.0 Petro-polymer aromatic Resin 5.0-13.0 Homogenizing Additive4.0-8.0 Pigments22.0-50.0 Desiccant 2.5-5.0 00 Organic Plant Dissolders Else from X) 00

Description

The invention relates to paints and varnishes intended for decorative and protective painting of wooden, metal, plasterer and other building surfaces. Alkyd paint-and-lacquer compositions having the above mentioned purpose are known, for example, GF-230 enamels, including alkyd resins, solvents, desiccants, Cl pigments. However, such compositions have a low degree of cure, unstable gloss, insufficient light fastness, are prone to thickening during storage. A known composition comprising a vegetable oil, a petroleum resin obtained by polymerization of the Cg-C fraction, non-cracking products containing 60-100 wt.% Styrene and / or its homologs, a desiccant and an organic solvent and a modifying additive selected from the group comprising glycerin ester rosin, zinc or calcium calcine L23. Such a composition is pigmented, forms coatings that have insufficient freshness and physical-mechanical properties: in addition, the composite: S1 is not. Visibility /: In process; Closest to the invention to the technical essence and the resulting effect is a paint composition containing an alkyd resin, pigments solvents, a desiccant and a non-aromatic petroleum resin obtained by polymerization in the presence of the catalyst Friedel-Crafts oil (mainly C) fraction containing 5 wt. % of aromatic substances Sz. The disadvantages of the etc: the compositions are prone to thickening during storage and low light resistance of the coating. The aim of the invention is to increase the stability of the viscosity of the composition during storage and increase the light fastness of the coatings. This goal is achieved by the fact that a paint and varnish composition for coatings, including a modified alkyd resin, petroleum resin, organic solvent, drying, pigments, contains as a petroleum resin an aromatic petroleum resin with temperature of 85–95, based on a fraction of craps products oil products with a boiling point of 120-200 ° C and an additionally homogenizing additive; selected from the group including phthalic acid esters, the bottom residue of p-elution columns logexanone and cyclohexanol in the course of high utilization of the oxidation of cyclohexane in the production of caprolactam, with the following ratio of components 5, May. %: Modified alkyd resin14.0-25.0 Petroleum polymer aromatic resin 5.0-13.0 Homogenizing additive 4.0-8.0 Pigments22.0-50.0 Desiccant. 2.5-5.0 Organic solvents OTHER B as a modified alkyd resin (see table, 1) uses an elikid resin modified with vegetable oil and rosin (examples 1 and 6) I.PI with vegetable oil with a liquid low molecular weight cau, examples 2, 9, 10, and 11), or vegetable oil and tall oil fatty acids (examples 3 and 7), or vegetable oil and distilled tall oil (examples 4, 5 and 8). The pigments used are titanium dioxide, iron oxide pigments, iron blue, carbon black, lead crown, organic color pigments, barite or microbarite, cell, calcite, etc. XYLOL is used as solvents; solvent, turpentine, their mixtures with solvent gasoline, paint and varnish industry, etc. The lead-manganese, cobalt, calcium salts of fatty and naphthenic acids are used as a desiccant. As an aromatic petroleum resin, a resin obtained by the method of initiating polymerization of the C-C fraction of cracking products of petroleum or petroleum products boiling at a temperature of 120,200 ° C, containing 60-100 wt.% styrene and / or its homologues (resin 31 SPP-TU 38.10916 -79). The resin has the following indicators: color on an iodometric scale 30-450 mg 12/100 g softening temperature 85-95 ° C, volatile matter content not more than 2 wt.%, Ash content not more than 0.1 wt.%, In white spirit is not a solution is completely dissolved in xylene, mm — 2000–5000 conventional units, iodine number 20–45 mg tons. Phthalic acid esters, cubic residue of rectification — cyclohexanone and cyclohexanol obtained at high-temperature ( 150-200) with the oxidation of cyclohexane in the production of caprolactam (oil POD). Phthalic acid esters, commonly used as plasticizers ti, in this case perform a different function plasticizers selected from other groups, such as tricresyl phosphate, castor oil do not allow to achieve the above effect. The bottoms of the rectification columns of cyclohexanone and cyclohexanol (oil POD) consists of a mixture of high-boiling oxidation products of cyclohexanone and dehydrogenation of cyclohexanol and mainly cyclohexylidenecyclohexanone and cyclic adipic esters (TU 6-03-476-82) and has the following physical chemical indicators. Conditional viscosity according to VZ-4 viscometer, from 20.1-24.5

Кммювсптм Acid number, mg KOH / g 0-2 Number of saponification, 21, 8-39.6 mg KOH Iodine number, mg 1o / 100 g 153-184 Carbonyl number, 3.92-7.4 mg KOH Hydrode strong. number, mg KOH 86-94 Density with, g / cm 1,009-1,012 Additionally, the usual additive can be added to the composition, preventing the deposition of pigments, such as flotation agent T-66, which is a by-product of dimethyldioxane, as well as lecithin, Aerosil, bentonite and others. The proposed paint composition is prepared as follows. Mix the alkyd resin solution with a homogenizing additive, then add pigments to the mixture. After thorough mixing, the mass is dispersed in ball or bead mills. To the resulting dispersion is added a petroleum resin solution, a desiccant. The mixture is stirred and filtered. Apply to the surface with a paint sprayer, brush or roller. The coating is dried at 20 ± 2 ° C for 24 hours. In Table. 1 shows examples of the proposed paint composition. Properties of the proposed composition in comparison with the prototype are presented in table. 2. Table I

Apchidum resin 30.7. 14.0 25.0 16.6 16.6 (fOOX) Yaeftehpolnmer resin (100Z) aromatic (iBipREZ-IDO) 7.7 aromatic 5.0 13.0 7.0 7, (SPP) 5.8 dunuilphthalate tricresyl phosphate 16 , 16.66 20.0 25.0 25.0 25.0 25, O, 0 3.0 15.0 13.0 13.0 13.0 13.0 8.0 JlafcoRfiaco4Ree К1Мвют Щ1

Kompvpe you, ItpoYOYtm (2 O J..J., "I castor oil dnmetnpftapag dineobutnlftalag 8, 0 6.0 oil UNDER pigments titanium dioxide pigment 30.7 27.5 22.0 J5.0 15.0 pigment red hydroelectric oxide lead yellow 22.5 -21.0 2.0 microbarite chalk Additive inhibiting the deposition of pigments (ph reagent T-Sb) Sikkativ naphtekaty lead, 2.5 5.0 -3.0 manganese naphthenates of lead, manganese, cobal-. cobalt tanaphenates, calcium 4.0

Note. The organic solution of the body remains.

Conditional viscosity according to VZ-4 viscometer at 20 + 0.2 ° С.

(GOST 8A20-74).

initial after 6 months storage

Viscosity increase to original

Continued table. 1 0.24 0.24 0.2 0.2 10.0 0.0 0.9 0.9 3.057

54

54

59

68

60

62 60

20

eleven

eleven -,.-.."....""".-,-..-. U 597 B 9 10 1. -L ..-..- A,., ... ™.-D.JUI-. ™ J. 4.0 8, 0 9.0 3.0 15, 0 25.0 25.0 22.0 22.0 22.0 22.0 0.24 - 0, 2 .. - 21, 0 - - - tO, 020.0 - -0, 9 -;: .. 3.03iO 4.0 5.0 5.0.05.0 5.0 -. G. „. Continuation of the table. 2 30 days Rash -100% Cause - Surface Rash-100% -70% or higher. ti - top conditional lightfastness GOST 21903-76, high desire coating, after 6 hours of irradiation gloss of 40% viscosity on a VZ-4 viscometer at 20 ± 0.2 ° С

(GOST 8420-74)

initial after 6 months storage

Viscosity increase,% of initial

The content of non-volatile substances, wt.%

(GOST 17537-72)

The degree of drying after 24 h at 20 ± 2 ° C (GOST 19007-73)

Hardness of the film on the fixture, used GOST 5233-67 after 24 h at 20 ± 2С

120 hours at 120 hours when carrying

No change

shine 63%

53

56

64

55

14

69.3

71

73.7

0.3

0.13

0.52 0.2 0.75

0.4 Rash - Rash - Rash 80% to 70% to 80% over-verknos-top-nosnestytiti,

eleven

Durability to blow on U-1 j (GOST 4765-73) through

24 h at (20 ± 2) ° С

120 hours at (20 + 2) С 120 hours at

Bending of coating, mm (GOST 6806-73) through

24 h at (20 ± 2) ° С

120 hours at (20 + 2) С 120 hours at

Glitter film,%

(GOST 896-69)

Resistance to exposure

water (GOST 9.403-80) through Corrozi is absent Corrozi is absent, a claim As can be seen from the table. 2, the use in the paint composition of a petroleum resin containing 60–100 wt.% Styrene and / or its homologs in combination with a homogenizing agent at a given ratio of components improves the light fastness of the coating and the stability of the viscosity during storage. The compositions according to examples 9-11 are unsuitable for use (the coating does not form a heterogeneous mass).

12

1085998 Continuation of the table. 2

4.0 4.0 3.0

1 1 3

In Example 8, six separate points. When a petroleum resin resin is introduced into the paint composition in an amount exceeding the upper limit, a decrease in the physicomechanical properties of the coating is observed, and in a smaller amount, a deterioration in the light fastness, hardness of the coating, and stability of the composite viscosity during storage. With the introduction of a homogenizing additive in the paint composition in an amount exceeding the upper

13 108599814

the limiting value leads to a decrease in the use of a coating as a homogenizing agent, a drying agent, for example, tricresistance or a worsening of its resistance to phosphate or castor oil in plants; in a smaller amount - to a violation of this quantity does not ensure uniformity of the system, composition-s homogeneity of the system, non-qi compounds becomes unsuitable for use — can be used as a solution.

Claims (1)

Paintwork coating composition comprising a modified alkyd resin, petroleum resin, an organic solvent, drier, pigments, wherein the h a ^m, in order to increase the stability of the viscosity of the composition during storage and povnpeniya lightfastness coatings, it contains an aromatic petroleum resin as a petroleum resin with softening point 85-95 ° C based on fractions Cg ~ C ₁₀ cracking products of oil or oil products with boiling temperature 120-200 ° C and further homogenizing additive you rannuyu from the group consisting of phthalic acid esters, the bottoms of rectification columns cyclohexanone and cyclohexanol in high-temperature oxidation of cyclohexane in the production of caprolactam, under It should ratio of components ё wt.%: Modified cl alkyd resin 14.0-25.0 X- Oil polymer aromatic resin 5.0-13.0 Homogenizing "* additive 4.0-8.0 km. Pigments 22.0-50.0 F Desiccant 2.5-5.0 00 Organic plants Joint venture Voritel Rest with © C © 1 1085998