CN104194416A - Modified attapulgite clay for antibacterial coating and pesticide and preparation method of modified attapulgite clay - Google Patents

Abstract

The invention provides a modified attapulgite clay for an antibacterial coating and a pesticide. The modified attapulgite clay is prepared from the following raw materials in parts by weight: 100-120 parts of attapulgite clay, 3-4 parts of sodium carbonate, 1-2 parts of tetramethoxymethyl glycoluril, 2-3 parts of hydroxy acrylic resin, 2-4 parts of antioxidant, 2-3 parts of polyvinyl acetate, an appropriate amount of water, 1-2 parts of coptis chinensis, 1-2 parts of sophora flavescens, 2-3 parts of polyethylene glycol dimethacrylate, 2-3 parts of para-toluenesulfonic acid, 3-5 parts of cetearyl alcohol, 1-1.3 parts of stearyl alcohol, 30-40 parts of 8-10% hydrochlric solution and 5-10 parts of auxiliaries. The attapulgite clay is added with the coptis chinensis and the sophora flavescens and has antibacterial properties; as the attapulgite clay is added with polymer organic matters such as the hydroxy acrylic resin, the polyvinyl acetate and the polyethylene glycol dimethacrylate, the compatibility of the attapulgite clay with an organic material is improved; the modification method of the attapulgite clay is capable of reducing the water consumption, reducing energy consumption and realizing uniform modification; the attapulgite clay is applicable to a coating and a pesticide filler or carrier, and is good in suspension property and thixotropy.

Description

A kind of antibiotic paint, agricultural chemicals are with attapulgite modified and preparation method thereof

Technical field

The invention belongs to attapulgite manufacture field, particularly a kind of antibiotic paint, agricultural chemicals are with attapulgite modified and preparation method thereof.

Background technology

Attapulgite is a kind of crystalloid hydrous magnesium aluminium silicate mineral, has unique layer chain-like structure feature, in its structure, has crystal lattice, Na+, the Ca2+, Fe3+, the Al3+ that in side crystal, contain non-quantitative, and crystal is needle-like, fibrous or fiber collection shape.Attapulgite has unique dispersion, high temperature resistant, the anti-good colloidal property such as saline and alkaline and higher adsorption bleaching ability.And there is certain plasticity-and cohesive force, and water-absorbent is strong, tool viscosity and plasticity-when wet, and dry post shrinkage is little, not quite aobvious crackle, water soaking collapses loose, and suspension is met not flocculation sediment of dielectric medium.Therefore attapulgite is widely used in the numerous areas such as sewage disposal, adsorption cleaning, washing composition, rubber, coating, papermaking, light industry, agricultural, makeup, is a kind of important nonmetallic minerals, the part but attapulgite also comes with some shortcomings.

In order further to improve the result of use of attapulgite, strengthen its whole physical and chemical performance, conventionally before use it is carried out to modification, improve the dispersing property of attapulgite, gel viscosity, colloidity, rheological property.And along with the development of industrial technology, also need to improve some other performances of attapulgite, as performances such as germ resistance, thixotropy, oilness, viscosity, suspension, adsorptivities, to meet the needs of different field development.

Summary of the invention

The object of the present invention is to provide a kind of antibiotic paint, agricultural chemicals with attapulgite modified and preparation method thereof, this attapulgite has anti-microbial property, has increased the consistency with organic materials, and method of modifying of the present invention can reduce water, reduce energy consumption, modification is even.

Technical scheme of the present invention is as follows:

A kind of antibiotic paint, agricultural chemicals, with attapulgite modified, is characterized in that being made by the raw material of following weight part: attapulgite 100-120, sodium carbonate 3-4, tetramethoxymethylglycoluril 1-2, Hydroxylated acrylic resin 2-3, oxidation inhibitor 2-4, polyvinyl acetate (PVA) 2-3, water are appropriate, coptis 1-2, kuh-seng 1-2, polyethylene glycol dimethacrylate 2-3, tosic acid 2-3, palmityl alcohol 3-5, stearyl alcohol 1-1.3,8-10% hydrochloric acid soln 30-40, auxiliary agent 5-10;

Described auxiliary agent is made by the raw material of following weight part: nano-calcium carbonate 4-5, agalloch eaglewood essential oil 0.1-0.2, aminoresin 0.2-0.3, Hydroxylated acrylic resin 0.4-0.5, terminal carboxyl polyester resin 0.3-0.4, aluminum chloride 3-4, nano zeolite powder 1-2, silicone oil 0.1-0.2, molybdenumdisulphide 0.3-0.5, Strontium carbonate powder 0.1-0.2, boron nitride 0.1-0.2, precipitated chalk 1-2, Cellulose diacetate 0.1-0.2, bamboo fibers 2-3; Preparation method is: nano-calcium carbonate, precipitated chalk, nano zeolite powder, molybdenumdisulphide, Strontium carbonate powder, boron nitride, Cellulose diacetate, bamboo fibers mixed grinding is even, obtain mixed powder; By other remaining component mixing and stirring, with gained powder mixed grinding 20-30 minute, reheat to 60-70 ℃, griding reaction 30-40 minute, obtains again.

Described antibiotic paint, attapulgite modified preparation method for agricultural chemicals, is characterized in that comprising the following steps:

(1) attapulgite is sent into calcining furnace, at 300-400 ℃, calcine 3-4 hour, take out and pulverize, cross 20 mesh sieves, add in the water of 340-380 weight part, under 100-200 rev/min, stir 10-12 hour, obtain attapulgite suspension, add 8-10% hydrochloric acid soln, be heated to 50-60 ℃, stir 1-2 hour, then add while stirring sodium carbonate to continue to stir 1-2 hour, filter, being washed to pH value is 6-8, refilters, dry, obtain activating attapulgite powder;

(2) coptis, kuh-seng are added to remaining water, decoct, filter to obtain medicine slurry, then add other remaining components, stir, obtain slurry;

(3) to attapulgite powder, blow the warm air of 50-60 ℃ it is seethed, then spray into the slurry that (2) vaporific step obtains in the powder seething, after the two is fully mixed, maintenance temperature is 50-60 ℃, continues to seethe 30-40 minute;

(4) mixture (3) step being obtained is dried, and grinds to form the particle of 5-80 μ m, obtains.

Beneficial effect of the present invention

Attapulgite of the present invention has added the coptis, kuh-seng, has anti-microbial property; By adding the macromolecule organics such as Hydroxylated acrylic resin, polyvinyl acetate (PVA), polyethylene glycol dimethacrylate, increased the consistency with organic materials, method of modifying of the present invention can reduce water, reduces energy consumption, and modification is even; This attapulgite is applicable to filler or the carrier of coating, agricultural chemicals, and suspension is good, and thixotropy is good.

Embodiment

A kind of antibiotic paint, agricultural chemicals be with attapulgite modified, by following weight part (kilogram) raw material make: attapulgite 110, sodium carbonate 3.5, tetramethoxymethylglycoluril 1.5, Hydroxylated acrylic resin 2.5, oxidation inhibitor 3, polyvinyl acetate (PVA) 2.5, water are appropriate, the coptis 1.5, kuh-seng 1.5, polyethylene glycol dimethacrylate 2.5, tosic acid 2.5, palmityl alcohol 4, stearyl alcohol 1.2,9% hydrochloric acid soln 35, auxiliary agent 8;

Described auxiliary agent by following weight part (kilogram) raw material make: nano-calcium carbonate 4.5, agalloch eaglewood essential oil 0.1, aminoresin 0.2, Hydroxylated acrylic resin 0.5, terminal carboxyl polyester resin 0.3, aluminum chloride 3.5, nano zeolite powder 1.5, silicone oil 0.1, molybdenumdisulphide 0.4, Strontium carbonate powder 0.2, boron nitride 0.1, precipitated chalk 1.5, Cellulose diacetate 0.1, bamboo fibers 2.5; Preparation method is: nano-calcium carbonate, precipitated chalk, nano zeolite powder, molybdenumdisulphide, Strontium carbonate powder, boron nitride, Cellulose diacetate, bamboo fibers mixed grinding is even, obtain mixed powder; Again by other remaining component mixing and stirring, with gained powder mixed grinding 25 minutes, reheat to 65 ℃, griding reaction 35 minutes, obtains.

Described antibiotic paint, attapulgite modified preparation method for agricultural chemicals, comprise the following steps:

(1) attapulgite is sent into calcining furnace, at 350 ℃, calcine 3.5 hours, take out and pulverize, cross 20 mesh sieves, add in the water of 360 weight parts, under 150 revs/min, stir 11 hours, obtain attapulgite suspension, add 9% hydrochloric acid soln, be heated to 55 ℃, stir 1.5 hours, then add while stirring sodium carbonate to continue to stir 1.5 hours, filter, being washed to pH value is 6.8, refilters, dry, obtain activating attapulgite powder;

(2) coptis, kuh-seng are added to remaining water, decoct, filter to obtain medicine slurry, then add other remaining components, stir, obtain slurry;

(3) to attapulgite powder, blow the warm air of 55 ℃ it is seethed, then spray into the slurry that (2) vaporific step obtains in the powder seething, after the two is fully mixed, keeping temperature is 55 ℃, continues to seethe 35 minutes;

(4) mixture (3) step being obtained is dried, and grinds to form the particle of 5-80 μ m, obtains.

Experimental data:

The attapulgite modified specific surface area of the present embodiment is 298 ㎡/g, is added to the water by 4%, and tested viscosity is 12850.3mPa.s, dissolution time≤4min, and degree of discoloring >=23%, is 73% to kaolin simulated sewage turbidity removal rate.As can be seen from the above data, the excellent adsorption of this attapulgite, thickening property is good.

Claims (2)

1. an antibiotic paint, agricultural chemicals, with attapulgite modified, is characterized in that being made by the raw material of following weight part: attapulgite 100-120, sodium carbonate 3-4, tetramethoxymethylglycoluril 1-2, Hydroxylated acrylic resin 2-3, oxidation inhibitor 2-4, polyvinyl acetate (PVA) 2-3, water are appropriate, coptis 1-2, kuh-seng 1-2, polyethylene glycol dimethacrylate 2-3, tosic acid 2-3, palmityl alcohol 3-5, stearyl alcohol 1-1.3,8-10% hydrochloric acid soln 30-40, auxiliary agent 5-10;

Described auxiliary agent is made by the raw material of following weight part: nano-calcium carbonate 4-5, agalloch eaglewood essential oil 0.1-0.2, aminoresin 0.2-0.3, Hydroxylated acrylic resin 0.4-0.5, terminal carboxyl polyester resin 0.3-0.4, aluminum chloride 3-4, nano zeolite powder 1-2, silicone oil 0.1-0.2, molybdenumdisulphide 0.3-0.5, Strontium carbonate powder 0.1-0.2, boron nitride 0.1-0.2, precipitated chalk 1-2, Cellulose diacetate 0.1-0.2, bamboo fibers 2-3; Preparation method is: nano-calcium carbonate, precipitated chalk, nano zeolite powder, molybdenumdisulphide, Strontium carbonate powder, boron nitride, Cellulose diacetate, bamboo fibers mixed grinding is even, obtain mixed powder; By other remaining component mixing and stirring, with gained powder mixed grinding 20-30 minute, reheat to 60-70 ℃, griding reaction 30-40 minute, obtains again.

2. antibiotic paint according to claim 1, attapulgite modified preparation method for agricultural chemicals, is characterized in that comprising the following steps:

(1) attapulgite is sent into calcining furnace, at 300-400 ℃, calcine 3-4 hour, take out and pulverize, cross 20 mesh sieves, add in the water of 340-380 weight part, under 100-200 rev/min, stir 10-12 hour, obtain attapulgite suspension, add 8-10% hydrochloric acid soln, be heated to 50-60 ℃, stir 1-2 hour, then add while stirring sodium carbonate to continue to stir 1-2 hour, filter, being washed to pH value is 6-8, refilter, dry, obtain activating attapulgite powder;

(2) coptis, kuh-seng are added to remaining water, decoct, filter to obtain medicine slurry, then add other remaining components, stir, obtain slurry;

(3) to attapulgite powder, blow the warm air of 50-60 ℃ it is seethed, then spray into the slurry that (2) vaporific step obtains in the powder seething, after the two is fully mixed, maintenance temperature is 50-60 ℃, continues to seethe 30-40 minute;

(4) mixture (3) step being obtained is dried, and grinds to form the particle of 5-80 μ m, obtains.