SU1715765A1 - Composition for the protective coating - Google Patents

Abstract

The invention relates to the field of building materials and is intended for use as a protective coating on metal, concrete, asbestos cement, slate. The invention makes it possible to reduce toxicity, increase stability, and also increase the protective properties of the coating. The composition for the protective coating contains, in wt%: a phosphate binder 2.5-10; zinc-containing compound 0.7-2.8; filler with pigment 18-39,5; surfactant 0.5-2.0: latex 35-58; at least one component from the group: calcium oxide, calcium hydroxide, calcium-containing salt 0.1-0.7, one component from the group: nitric acid, salt of nitric acid 0.6-3.6. one component from the group: boric acid, salt of boric acid 0.05-3.2, water - the rest. The invention makes it possible to increase the stability of compositions by 18 times, reduce toxicity and improve the protective properties of coatings. 2 tab. with Is

Description

The invention relates to the field of building materials and is intended for use as a protective coating on metal, concrete, asbestos cement, slate, and can also be used as a cold-curing adhesive.

The purpose of the invention is to reduce toxicity, increase stability, as well as increase the protective properties of coatings.

The use of compounds of phosphorus, nitrogen, boron, zinc, calcium in the presence of oxides of trivalent or tetravalent metals, silicates, as well as surfactants - latexes provides a synergistic effect associated with the acid-base interaction of phosphoric acid and its salts, as well as nitric and boric acid and their salts with oxides of trivalent and tetravalent metals and silicates, as well as with the redox interactions of these compounds with latex in the presence of surface-act overt substances which are accompanied by the formation of a stable low-toxic compositions with long shelf life, reactive with respect to the protected surface (metal, concrete, ceramics, wood, etc.). providing protective coatings with high strength and protective properties.

The decrease in the composition of phosphoric acid or its salts less than 2.5% causes

cl

Vj

about cl

a decrease in the strength properties of the coating, and an increase in excess of 10% reduces the protective properties.

A decrease in the content of zinc and its compounds less than 0.7 causes a decrease in the protective properties of the coating, and an increase in the content of more than 2.8% causes a crystallization of the composition.

The decrease in the content of oxides of trivalent and tetravalent metals, silicates and their mixtures of less than 18% or more than 39.5% causes a decrease in the strength properties of coatings,

A decrease in the content of surfactants of less than 0.5% causes a coagulation of the composition, and an increase of more than 2% causes a decrease in the strength and protective properties of the coating.

A decrease in the amount of latex of less than 35% causes a decrease in the protective and strength properties of the coating, and an increase of more than 58% reduces the strength characteristics,

A decrease in the content of calcium compounds of less than 0.1% causes a decrease in the protective properties of the coating, and an increase in the content of more than 0.7% causes crystallization of the composition.

A decrease in nitrogen compounds of less than 0.6% causes a decrease in the protective properties of the coating, and an increase in excess of 3.6% causes a coagulation of the composition. Decrease of keeping boron compounds less than 0.5% causes a decrease in the protective properties of the coating, and an increase in the content of more than 3.2% causes the composition to crystallize.

Example 1.KZ, 3g of technical phosphoric acid with a content of 75% HzROv, which includes 2.5 g of NzROz (100%) and 0.8 t of water add 18.75 g of water, thus obtaining a total water content of 19.55 g 0.6 g of nitric acid and 0.05 g of boric acid are introduced into the mixture. The mixture is heated to 50 ° C and 0.1 g of calcium oxide and 0.7 g of zinc oxide are added in small portions with stirring until each is completely dissolved. The solution is cooled, and then 18 g of iron oxide with talc are introduced into it and ground to. grain size not more than 40 microns,

Then, the resulting paste was partly mixed with stirring into 58 ° g of butadmen-styrene carboxylated latex with 0.5 g of polyethylated alcohol previously injected (preparation OC-20). The finished composition is applied on a pre-cleaned surface of St 3 in 2 layers with drying each layer at normal temperature for 1 hour.

The change in the content of the components of the composition is given in Table 1. Table 2 gives the properties of the coatings obtained on the basis of the composition according to the examples and according to the prototype, confirmed by the test report.

The presented data indicate that a non-toxic composition with a high viability is formed from the proposed composition, providing coatings with high protective and strength properties during operation in atmospheric conditions. This allows the composition to be stored and transported for a long time, as well as applied by manual and mechanized methods both in the factory and in the building conditions.

Formulas and inventions 0 Composition for protective coating,

including phosphate binder, zinc-containing compound, pigment filler, surfactant. latex and water, characterized in that, 5 in order to reduce toxicity, increase stability and enhance the protective properties of coatings, it additionally contains at least one component from the group: calcium oxide, calcium hydroxide, calcium salt; one component from the group: nitric acid, salt of nitric acid; one component from the group: boric acid, salt of boric acid in the following ratio of components, 5 wt.%:

Phosphate binder (in terms of 100% H3P04) 2.5-10 Zinc-containing

0 connection 0.7-2.8

(in terms of ZnO) ..- Filler with pigment 18-39,5 Surfactant0,5-2.0

5 Latex35-58

at least one component from the group: calcium oxide, calcium hydroxide, salt containing calcium (in terms of

on Cao) 0.1-0.7

One component from the group: nitric acid, salt of nitric acid

5 (in terms of MOZ) 0.6-3.6

One component from the group: boric acid, salt of boric acid (in terms of NWO3) 0.05-3.2

WaterEverything

Table I

Ammonium phosphate in terms of HjPOf (IODl)

The mixture of phosphoric acid with ammonium phosphate ammonium is not H PO (100%)

Zinc oxide0.7

Zinc hydroxide in the pe bill for 1PO

Carbon-Zinc zinc and in terms of ZnO Zinc metal and in terms of ZnO

A mixture of zinc oxide, metal zinc hydro, not ZnO

 Kelezhoksym pigment with talcum

Nina avalanche pigment with voline

Pigment with diboxide titanium, kaopmioi and mica

Cobalt with kaolin, talc and mica

Dmgiosulfonvt. 0.5

Hydroxyethyl alcohol

Polyethylene glycol ether ionoethanolamine

Hydroxyethyl irovanoic elkylphos form of kiglot

Half-ethylamine ester

A mixture of okskatiliroaamnogoalkmlphenol with vlkiloxy-beialylkhnolvmim, poly-silox mine and ligesulfone-that "

Latex

POLYBUYDYDIV MSTYRO nv $ 8

mixture of polyStadanstyrol with magician acrylic

i-twigulm species enchloride by them is a copolymer of polystyrene

polyvutadiene mixture

with qprolactam Calcium Oxide 0.1

Calcium hydroxide b in terms of SvO

Calcium nitrate "recalculation of CaO

Calcium oxide and calcium hydroxide mixture recalculated in CaOS mixture of oxide, hydroxide and calcium nitrate in terms of

™ -1

A mixture of calcium oxide with calcium nitrite, calculated as SbO

A mixture of calcium hydroxide with calcium nitrate in terms of CaO

Nitrogen to-recount

on F)} 0.6

2.5 -2.5 - 2.5 -. - 6 - 6 - 6

g, 5

ID - 10 - 10 0, 7

,eight

-0.7 - - 0.7 - - Z - - - 2 - -2.8 --- 2.8

-0.7-0.7 ---- 2 - g - - -. 2.8-2.8 - 0.7 - - ..... g. ...-- 2,818 2828 39.5 ---- - 39.5

18 - - 18 - - 28 - - - 28 - - 39.5-39.5 - -39.5-39.5- 39.50 .5

1.2

0.5

1.2 0 .5

0.5 - 0.5

1.2 - J.2

 0.5

1.2

58

. , 7 - k7

35

35

58

"7

35

58 - ev 58 O .ti

0.7 0, 7

0.4

0.7

Oh, and

0.7

0.1

0.4

0.7

0.1

0

0.7 o,

0.6 2.1 2, 1 3.6 0, 7

3.6

ID - 10 - 10, 8

1.2

1.2 1 .2 - J.2

1.2

. , 7 - k7

35

35

"7

35

O.ti

0.7 0, 7

0.4

0.7

Oh, and

0.7

0.4

0.7

0.1

0

0.7 o,

0.7

0.6 2.1 2, 1 3.6 3, 6

A mixture of boric acid with sodium borate in terms of H3BOA - 0.05 -0.05 --- - 1 - 1 - - - - 3.2 - 3.2 A mixture of boric acid with calcium borate in terms of NLVOЈ. ----- 1 - - - 3.2 Water 19, 55 19.55 19.55 19.55 19.55 19.55 19.55 12.3 12.3 12.3 12.3 12.3 12 , 3 12.3 3.2 3.2 3.2.3.2 3.2 3.2 3.2

  - Table 2

SeoAstm nottpwTHPStructure

AWTO-

l: .I: Ji jJiljinjJj: Jj: .J :: ilQj: in IEnZE

toKCMMKOCTfc COMPOSITIONS (in COOT -....

vetstayn with.

GOST G2.1vv7-76)

Hazard Class I222222222222222222222

ability

koipo-miim (permissible hreni term), days, not less than a bot.

Yu130 180 180 180 100 180 1SO 180 180 180 180 180 180 tflO (80 180 ISO 180 180 180 180

Znachiig joimstm coverage for ms-nvraHHM hydrostat te GL (30 days) estimated

as per guest:

6932-68,.

-St j of YkatAn.

rwoeocTRjr - ..,

.v iv.4 p.4 JV.4 cg. "iv.4 IT, P.4 V.7 W.7 V.7 V.7 V.7 V.7 V.7 IV.5 1T.5 W .5 IT.5 IV.5 .5 IV.5

-St-3 mountains -

streaminm .

With rolling 11.2III.3 I1.3 Sh. Z II1.3 PZZ PZZ Shch.Z IV.4 IV.4 IV.4 IV.4 IV.4 IV.4 IV.4 11G.4 UI.3 HZZ 1IZ III. 3 fll.3 1H.3 P1.3

 dross

- St-3 MEMO-msmvtvmm ..

nvopve o-.

Structure II.217.3 IV.3 - IV.E IV.3 IV, 3 tV.3 1V.3 V.4 V.4 V, 4 V.4 V.4 V.4 V.4 Ш. Э 111.3 ttl.3 til.3 III.3 I1I.3 I1I.3

na mko-domyames -.

Kie St.

Kpimw:

hitting the

GOST T65-7E

kgf / si5050 50 50 50 50 SO 50 50 50 50 50 50 M 50 50 SO 50 50 50 SO 50

- “dge m, bel 1-2t-2 1-2 1-2 1-2 f-2 t-2 1-1 11I 11 1I1tItt1

flexibility no

jr-l, wi .1-11-2 1-2 1-2 1-2 1-2 1-2 1-2 .111I. 1 I. 1. .1I | 1, .f .1 |

Claims (3)

Claim A composition for a protective coating comprising a phosphate binder, a zinc-containing compound, a filler with a pigment, a surfactant, latex and water, characterized in that, in order to reduce toxicity, increase stability and increase the protective properties of the coatings, it additionally contains at least , one component from the group: calcium oxide, calcium hydroxide, calcium salt; one component from the group: nitric acid, salt of nitric acid; one component from the group: boric acid, salt of boric acid in the following ratio of components, wt.%: Phosphate saya sowing (in terms of those are 100% Н3РО4) 2,5-10 Zinc-containing compound 0.7-2.8 (in terms of ΖπΟ) g- Pigment filler 18-39.5 Surface active substance 0.5-2.0 Latex 35-58 at least one component from the group: calcium oxide, calcium hydroxide, calcium salt (in terms of CaO) 0.1-0.7 One component from the group: nitric acid. salt of nitric acid (in terms of NO3) 0.6-3.6 One component from the group: boric acid, salt of boric acid (in terms of NdBO3) 0.05-3.2 Water Else Component Composition 1 2 3 4 5 6 7 8 9 10 II | 12 [13 14 J.15 16 f7 18 19 20 21 4 g 3 'λ 5 6 ? a h 10 eleven 42 ‘ti | 14 15 j 16 about 1& 19 10 il zi Phosphoric acid in terms of HjP ^ OOOt) 2,5 - - - 5 - - 6 - - 6 · - - 10 - - 10 - 2.5 2,5 2,5 Ammonium phosphate in terms of HjPOfflOOX) Mixture of phosphoric acid with ammonium phosphate and conversion to H ^ PO ^ (100X) Zinc oxide ZitO hydroxide in terms of ZnO 2,5 0.7 2,5 - 2 2,8 0.7 Carbon Zinc Convertible to ZnO Zinc metal in terms of ZnO - -. 0 * 7 0.7 - 0.7 0.7 -. 2 - - - 2 2 2 - - 2,8 2,8 - 2,8 2,8 A mixture of zinc oxide, zinc hydroxide. Zinc, zinc carbonate and zinc metal in terms of ZnO - 0.7 2 2,8 * * Keleoooksismma pigment with talc 18 - 18 28 - - 28 39.5- • 39.5 Nickel pigment with kaolin 18 18 - 28 - 28 - - 39.5 - 39.5 Molybdenum A pigment with titanium dioxide, quota and mica 18 - 18 - - 28 - 28 - 39.5 39.5 Cobalt pigment with quota, talc and mica 1B - - - - 28 - 39.5 / Bmosulfonvt 0.5 1,2 - - 2 - Hydroxy alcohol - 0.5 - 1,2- - 2 Polyethylene glycol L ionostenolamine ester 0.5 - - 1,2 - 2 Oksietiliroeyankaya vlkilfos- fornic acid 0.5 - - - - 1,2 2 Ioaookuilfemola polyoxyethylene ether - ' - - 0.5 - 0.5 -. . 1,2 - L, 2 - · - - - 2 2 A mixture of oxmetitroane alklphenol with alknloxybonzil pianolamine, potsiloxanoi and ligiosulfonovt 0.5 1,2 - 2 Latex) poly bu "in /> 58 47 - - 35 - a mixture of half-butadiene styrene with methacrylic to-that 5& - 47 - 7 ^{} 5} polyvinyl chloride • - 58 - - - - - 4? - • 35 • - acrylic copolymer »L - -  · 58 - - - • - - 47 - - - 35 - by fox lo xe no ay - - - - $ 8 - 88 - - - ♦ 7 - * 7 - - - - 35 - 35 a mixture of potbutadiene styrene with caprolactam -. 58 47 - 35 . i Calcium oxide 0.1 0.4 - - - 0.7 - Calcium hydroxide in terms of CaO . . 0.1 0.4 - • 0.7 Calcium nitrate in terms of on CaO • · • oh 1 - - - - - - 0.4 - - - 0.7 - - A mixture of calcium oxide and hydroxide in terms of CaO - - 0.1 - - - - - - 0.4 - - - -. - 0.7 - A mixture of oxide, hydroxide and calcium nitrate in terms of l ’0.1 _ _ _ - 0.4 - oh 7 A mixture of calcium oxide with calcium nitrate in terms of CaO 0.1 0.4 - 0.7 A mixture of calcium hydroxide with calcium nitrate in terms of CaO 0.1 0.4 0.7 Nitric acid in terms of HOj 0.6 0.6 2.1 2.1 3.6 3.6 1 mid 1 1 mid 1 eleven eleven 1 midnight | 1 N—! 1 ΙΟΙ cho ι sch 1 1-4 eleven eleven cl eleven I 1 CO 1 about eleven * 1 __________ | 1 G ** 1 se m 0Q f to f b L Σ l X "P X F X and ABOUT X and X a a. a> n 0) X about about F X f f X about f LD Yu X about a X ABOUT b X table 2 Coating properties TOXICITY OF COMPOSITION (in accordance with GOST 12.1vv7-? 6) Class of danger Composition ΙΞ 1ms failure of the composition (allowable storage period * *), days, no more than 10 180 180 180 180 180 180 180 180 180 180 180 180 too 180 180 ISO 180 180 180 180 111.3 IV.4 IV.4 IV.4 IV.4 IV.4 IV.4 Sub UL • UL UL UL UL UL UL A.5 W.5 A.5 A.5 A.5 IV.5 IV.5 11.2 III.3 Sh.Z shh shl sh.z sh.z sh.z IV. 4 IV.4 IV. 4 IV.4 IV.4 1V.4 IV. 4 shh shl sh.z sh.z 111.3 tr sh.z - St-3 Loyal-acting non-hazardous * stringed II.2 PL IV.3 · PL IV.3 PL PL ILL. * 0.4 V.4 V.4 V.4 V.4 V.4 Ome miao-himames ** kie sv-ve coatings: shl shl shl sh.z sh.z sh.z sh.z - impact strength GOST 4765-73► kgf / cm fifty fifty fifty fifty fifty 50 50 50 50 fifty fifty fifty 50 Μ 50 fifty fifty fifty fifty 50 50 so - vdgeaia, point 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-1 1 1 1 i 1 1 * 1 1 1 t 1 t t 1 - flexibility in M’l.w ". · 1-1 1-2 1-2 1-2 1-2 1-2 1-2 1 * 2 1 J 1 1 . II. 1 1 1 1 1 ,.eleven 1