The way to increase saadasobrale powder compositions for coatings

 

(57) Abstract:

The invention relates to a method of increasing saadasobrale powder compositions for coatings containing organic film-forming binder, which includes the introduction in the powder composition for coating at least two different compounds containing a residue of formula (A)

< / BR>
as the electron donor, as well as to powder compositions for coatings containing organic film-forming binder and at least two different compounds containing a residue of formula (A), characterized by the ratio of the charge/mass of at least 200 C/kg the Technical result is to improve the triboelectric saadasobrale powder paints. 5 S. and 11 C.p. f-crystals, 12 tab.

Table T%

1. Way better saadasobrale powder compositions for coatings containing organic film-forming binder, characterized in that a powder composition for coating impose at least two different compounds containing a residue of formula (A)

< / BR>
as the electron donor.

2. The method according to p. 1, characterized in that two different the uly (Ia) or (IB)

< / BR>
in which

AND1is hydrogen, C1-C8the alkyl or C3-C6alkenyl;

b1is 1, 2 or 4; if b1is 1, AND2is1-C9the alkyl, if b1is 2 AND2represents a C1-C10alkylene or a group of the formula

< / BR>
< / BR>
where R1- C1-C10alkyl or C2-C10alkenyl;

R2- C1-C10alkylen;

R3and R4independently from each other are1-C4the alkyl, cyclohexyl or methylcyclohexyl,

and, if b1is 4, AND2represents a C4-C10alcantera;

< / BR>
in which the radicals R independently of one another represent-COO-(C1-C20alkyl) or a group

< / BR>
where a1defined above;

b) the compound of formula (II) (see the graphical part),

in which AND3and a7independently of one another are hydrogen or C1-C12by alkyl;

AND4AND5and a6independently from each other are2-C10alkylene;

T1T2T3T4T5T6T7and T8independently from dream, WITH5-C12cycloalkyl,5-C12cycloalkyl, substituted C1-C4the alkyl, phenyl or a group of the formula (IV)

< / BR>
and a9and a10independently of one another have the meanings specified for A1;

C) compounds of formula (V)

< / BR>
in which T9T10and T11independently of one another are a group of the formula (III);

g) the compound of formula (VI)

< / BR>
in which AND11AND13AND14and a15independently of one another represent hydrogen, C1-C12alkyl, C5-C12cycloalkyl,5-C12cycloalkyl, substituted C1-C4the alkyl, phenyl or a group of the formula (IV);

AND12- C2-C10alkylen,5-C7cycloalkyl or1-C4alkylene (C5-C7cycloalkyl),

or the radicals AND11AND12and a13taken together with the nitrogen atom to which they are attached, form a 5-to 10-membered heterocyclic ring, or a14and a15together with the nitrogen atom to which they are attached, form a 5-to 10-membered heterocyclic ring, b2is a number from 2 to 50 and at least one of the radicals AND11AND13AND14and ao a1-C10alkyl, C5-C12cycloalkyl,5-C12cycloalkyl, substituted C1-C4the alkyl or phenyl;

AND17- C3-C10alkylen;

AND18as specified for a1;

b3is a number from 1 to 50;

e) the product obtained by the reaction of the intermediate product, in turn, obtained by the reaction of polyamine formula (VIII-a) with the acid chloride cyanuric acid, with a compound of formula (VIII-b)

< / BR>
< / BR>
in which b'4, b4and b"'4independently of one another are a number from 2 to 12;

AND19is hydrogen, C1-C12the alkyl, C5-C12cycloalkyl or phenyl;

AND20has the values specified for a1;

g) the compound of formula (IX) (see graphic part),

in which AND21AND22AND23AND24and a25independently of one another represent a direct bond or C1-C10alkylen;

AND26as specified for a1;

b5is a number from 1 to 50;

C) the compound of formula (X)

< / BR>
in which T12T13and T14independently of one another are a group of the formula (XI)

< / BR>
in which L is a group of formulas is eilam;

AND28- direct link or1-C10alkylen;

b6is a number from 2 to 50;

K) the compound of formula (XIII) (see graphic part),

in which AND29as specified for a1;

AND30is hydrogen, C1-C12alkyl or C1-C12alkoxy;

l) compound of formula (XIV)

< / BR>
in which AND31is1-C24alkyl;

AND32has the values specified for a1;

m) compound of formula (XV) (see graphic part),

in which AND33has the values specified for a1;

AND34represents a C1-C20alkyl or C2-C20alkenyl.

3. The method according to p. 2, characterized in that A1is hydrogen or C1-C4the alkyl, b1is a number from 2 to 4, if b1is 2 AND2represents a C2-C8alkylene or a group of the formula

< / BR>
< / BR>
and, if b1is 4, AND2represents a 1,2,3,4-butanetriol, the radicals R independently of one another are-COO-C13H27or group

< / BR>
AND3and a7independently of one another are hydrogen or C1-C4the alkyl AND4AND5and a65T6T7and T8independently of one another are a group of the formula (III) where A8is hydrogen, C1-C4alkyl or a group of the formula (IV), AND11AND13AND14and a15independently of one another represent hydrogen, C1-C6alkyl, cyclohexyl or a group of the formula (IV), AND12- C2-C10-alkylene, or a14and a15together with the nitrogen atom to which they are attached, form morpholino, b2is a number from 2 to 25, AND16- C1-C4alkyl, cyclohexyl or phenyl, AND17- C3-C8alkylen, b3is a number from 2 to 25, b'4, b4and b"'4- independently of one another are numbers from 2 to 3, AND19is hydrogen or C1-C4alkyl, AND21AND23AND24and a25- independently from each other are1-C4alkylene AND22- direct link, b5is a number from 1 to 20, AND28- C2-C8alkylen, b6is a number from 2 to 25, AND30- C1-C30alkoxy, AND31- C12H25and a34- C12-C14alkyl.

4. The method according to p. 2, wherein the two different compounds containing a residue of formula (A), do not belong to the same class.
in which the radicals R are-COO-C13H27and

< / BR>
in the ratio of 1.7 : 2,3,

< / BR>
in which the radicals R are-COO-C13H27and

< / BR>
in the ratio of 1.7 : 2,3,

< / BR>
where R is a group

(see the graphical part),

in which b2is a number from 2 to 25, (see graphic part),

in which b2is a number from 2 to 25, (see graphic part),

in which b2is a number from 2 to 25,

< / BR>
in which b3is a number from 2 to 25,

the product (VIII-1), obtained by reaction of the intermediate product, which is obtained by the interaction polyamine formula

H2N-(CH2)3-NH-(CH2)2-NH-(CH2)3-NH2< / BR>
with the acid chloride cyanuric acid with the compound of the formula

(see the graphical part),

in which b5is a number from 1 to 20, (see graphic part),

in which b5is a number from 1 to 20, (see graphic part),

in which b6is a number from 2 to 25, (see graphic part),

6. The method according to p. 5, wherein the two different compounds containing a residue of formula (A), chosen from the group consisting of SCTO two different connections, containing a residue of formula (A), chosen from the group consisting of compounds of formulae (Ia-1), (Ia-2), (Ia-3), (Ia-4), (Ia-5), (II-1), (VI-1), (XII-1) and (XIII-1).

8. The method according to p. 5, wherein the two different compounds containing a residue of formula (A) are compounds of the formulas (II-1) and (VI-1), compounds of formulas (II-1) and (XII-1), compounds of formula (Ia-1) and (Ia-3), compounds of formula (Ia-2) and (II-1) or compounds of formula (Ia-3) and (II-1).

9. The method according to p. 1, characterized in that the organic film-forming binder is a polyester or polyacrylate resin with a crosslinking agent or an epoxy resin, or combinations of these resins.

10. The method according to p. 9, characterized in that the crosslinking agent is an epoxy resin, tripyridyltriazine, glycoluril, hydroxyalkylated, uretdione, or protected polyisocyanate.

11. Powder composition for coatings containing 1) an organic film-forming binder, and 2) at least two different compounds containing a residue of formula (A)

< / BR>
as a donor of electrons, characterized by the fact that this powder composition for coating the ratio of the charge/mass of at least 200 C/kg

12. Powder compositions

13. The method of charging a powder composition for coatings containing 1) an organic film-forming binder, and 2) at least two different compounds containing a residue of formula (A)

< / BR>
as a donor of electrons, characterized in that it includes a charge of powder compositions for coatings up ratio of the charge/mass of at least 200/kg in trebaseleghe gun.

14. Powder composition for coatings containing 1) an organic film-forming binder, and 2) at least two different compounds containing a residue of formula (A)

< / BR>
as the electron donor,

for applying triboelectric on the metal surface.

15. Powder composition for coatings containing 1) an organic film-forming binder, and 2) at least two different compounds selected from the group consisting of the compounds of formula (Ia-4), (Ib-1), (Ib-2), (II-1), (VI-1), (VI-2), (VI-3), (VII-1), (VIII-1), (IX-1), (IX-2) and (XII-1), (see graphic part),

in which the radicals R are - COO-C13H27and

< / BR>
in the ratio of 1.7 : 2,3,

< / BR>
in which the radicals R are-COO-C13H27and

< / BR>
in the ratio of 1.7 : 2,3,

< / BR>
where R t is
in which b2is a number from 2 to 25, (see graphic part),

in which b2is a number from 2 to 25,

< / BR>
in which b3is a number from 2 to 25,

the product (VIII-1), obtained by reaction of the intermediate product, which is obtained by the interaction polyamine formula

H2N-(CH2)3-NH-(CH2)2-NH-(CH2)3-NH2< / BR>
with the acid chloride cyanuric acid with the compound of the formula

(see the graphical part),

in which b5is a number from 1 to 20, (see graphic part),

in which b5is a number from 1 to 20, (see graphic part),

in which b6is a number from 2 to 25.

16. Powder composition for coatings according to p. 15, wherein the two different compounds of component 2) are compounds of the formulas (II-1) and (XII-1).

 

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Coating composition // 2245893

FIELD: chemistry, in particular coating compositions, dyes and colorings.

SUBSTANCE: claimed composition includes resin with curing agent in combination with metal powder and stabilizing additive. More particular composition contains polyester resin or epoxy resin, 40-80 mass % of aluminum, iron, bronze, brass or copper powder with particle size of 25-250 mum, and as stabilizing additives at most 5 mass % of feltproofing additive and at most 20 mass % of thixotropic additive. Composition has high storage stability and useful for coating of any geometry surface.

EFFECT: coatings of high heat conductivity and thickness applicable for mechanical operation.

1 tbl

FIELD: corrosion protection.

SUBSTANCE: protective ground paint for painting coiled metal and electrochemical protection of bridges, power lines, and other long term-use metallic structures contains, wt %: epoxide resin 9.0-29.0, polyamide resin 3.0-9.5, pigment 23.0-36.0, zinc nanoparticle preparation 3.0-5.0, filler 13.0-23.2, and solvent - the balance. Zinc nanoparticle preparation is introduced in the form of (0.4-4)x·10-3 M solution in isooctane.

EFFECT: enhanced protective properties.

2 tbl, 4 ex

FIELD: protective materials.

SUBSTANCE: invention relates to a method for preparing priming coat for steel that is designated for assembly and applying upper coat. Steel in grounded with priming coat comprising a silicon dioxide-base binding substance containing silicon dioxide aqueous sol stabilized with aluminum oxide and, optionally, small amount of alkaline metal silicate. Indicated binding agent shows the mole ratio SiO2/M2O = at least 6:1 wherein M means the total amount of alkaline metal ions and ammonium ions. After drying the priming coat up to disappearance of stickiness in weal touch by a finger it is treated optionally with a solution that enhances the strength of the priming coat film.

EFFECT: improved and valuable properties of coat.

12 cl, 7 tbl, 21 ex

FIELD: corrosion protection.

SUBSTANCE: invention relates to anticorrosion compositions for metallic parts, in particular to utilization of MoO3 as agent enhancing anticorrosive properties of composition for anticorrosion coating based on dispersed metal, containing zinc of zinc alloy in aqueous phase (30-60% water in dispersion) and containing binding agent. Compositions for anticorrosion coating of metallic parts are disclosed containing such corrosion inhibitor (MoO3); at least one dispersed metal selected from group composed of zinc, aluminum, chromium, manganese, nickel, titanium, and alloys thereof; organic solvent; thickening agent; silane-based binder; optionally sodium, potassium, or lithium silicate; and water in amount from 30 to 60% by weight. Disclosed are also anticorrosion coating and metallic substrate with deposited anticorrosion coating prepared from above-defined composition.

EFFECT: improved resistance of composition to salt fog action.

22 cl, 2 dwg, 6 tbl, 3 ex

FIELD: protective coatings.

SUBSTANCE: invention relates to undercoat for metallic substrates designed for manufacturing articles and for applying top coating layers. Undercoat comprises silicate binder containing aqueous silica sol having SiO2/M2O molar ratio at least 25:1, wherein M represents sum of alkali metal ions and ammonium ion, silica particles having average size above 10 nm. Binder may further contain insignificant amount of alkali metal silicate. Content of solids in undercoat ranges between 20 and 40% (v/v) and volume ratio of pigment concentration to critic concentration thereof is below 1. Undercoat contains following proportions of components aqueous silicate sol as binder having SiO2/M2O molar ratio at least 25:1 and pH value between 9.5 and 11, wherein M represents sum of alkali metal ions and ammonium ion and silica particles are optionally modified with aluminum oxide and have average diameter 10-16 nm; 10-55% zinc and/or zinc alloy powder based on the weight of dry film having average particle size between 2 and 12 μm; 0-35% organic resin based on the weight of dry binder; and 0-30% organosilicon finishing material. Coating may contain zinc-free pigment(s) and filler increasing storage life time of undercoat. Method of applying undercoat onto steel substrate comprises preparing undercoat using silica sol, whose pH is adjusted to 9.5-11, and depositing undercoat onto steel substrate.

EFFECT: increased hardness and wear resistance, and enabled deposition of corrosion-resistant coating without blistering.

15 cl, 10 tbl, 14 ex

FIELD: protective materials.

SUBSTANCE: invention relates to compositions used for applying covers. Composition contains zinc and water glass - potassium water glass as a binding agent with silicate modulus 4.8-5.3 or mixture of sodium-lithium water glass with silicate modulus 3.8-4.2 comprising the following components: soluble sodium silicate, technical lithium hydroxide, fumed silica, drinking water and ferrophosphorus. Invention can be used for protection of ferrous metals against corrosion with zinc-filled compositions. Invention provides improving anticorrosive and antifriction properties, enhancing wear resistance, electric conductivity, durability against cracking in drying, enhanced adhesion to metal, welding capacity, strength at impact.

EFFECT: improved and valuable technical properties of composition.

1 tbl

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