CN104231676A - Modified attapulgite packing and preparation method thereof - Google Patents

Abstract

The invention discloses modified attapulgite packing which is prepared from the following raw materials in parts by weight: 2-3 parts of magnesium oxide, 2-3 parts of monoglyceride, 0.7-1.3 parts of a cation type fluorocarbon surfactant, 2-3 parts of activated zinc oxide, 1.2-1.5 parts of sodium percarbonate, 3-5 parts of graphene oxide, 0.8-1.2 parts of p-aminodiphenyl amine, 1-2 parts of gamma-glycidyl ether oxopropyl trimethoxy silane, a proper amount of water, 5-10 parts of auxiliaries and 30-40 parts of an 8-10% hydrochloric acid solution. The modified attapulgite packing disclosed by the invention is uniform in modification, good in dispersity, high in property such as oxidation resistance, aging resistance and anti-flouring resistance, is applicable to packing of coatings, rubber and fabric printing suspension agents and has the characteristics of scraping resistance, bright color and flouring resistance, coatings, rubber and fabrics can have high gloss, and the cost is lowered.

Description

A kind of attapulgite modified filler and preparation method thereof

Technical field

The invention belongs to attapulgite manufacture field, particularly attapulgite modified filler of one 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, there is crystal lattice, Na+, Ca2+, Fe3+, Al3+ containing non-quantitative in side crystal, and crystal is needle-like, threadiness or fiber collection shape.Attapulgite has unique dispersion, high temperature resistant, anti-good colloidal property and the higher adsorption bleaching ability such as saline and alkaline.And there is certain plasticity-and cohesive force, water-absorbent is strong, tool viscosity and plasticity-time wet, and dry post shrinkage is little, and not quite aobvious crackle, water soaking collapses loose, and suspension meets dielectric medium not flocculation sediment.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 to improve the result of use of attapulgite further, strengthening the physical and chemical performance of its entirety, usually before use modification being carried out to it, improve the dispersing property of attapulgite, gel viscosity, colloidity, rheological property.And along with the development of industrial technology, also need some other performances improving 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 attapulgite modified filler and preparation method thereof, this Surface Organic Modification of Attapugite is even, good dispersity, there is performance that is anti-oxidant, ageing-resistant, anti-soil, coating, rubber, gloss that textiles is high can be given, scrape resistant, bright in luster, antipollution characteristic, reduce costs.

Technical scheme of the present invention is as follows:

A kind of attapulgite modified filler, is characterized in that being made up of the raw material of following weight part: magnesium oxide 2-3, Tegin 55G 2-3, cationic fluorocarbon surfactant 0.7-1.3, active zinc flower 2-3, SPC-D 1.2-1.5, graphene oxide 3-5, mutual-amido two polyaniline 0.8-1.2, γ-glycidyl ether oxygen propyl trimethoxy silicane 1-2, water are appropriate, auxiliary agent 5-10,8-10% hydrochloric acid soln 30-40;

Described auxiliary agent is made up of the raw material of following weight part: nano-calcium carbonate 4-5, agilawood 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: by nano-calcium carbonate, precipitated chalk, nano zeolite powder, molybdenumdisulphide, Strontium carbonate powder, boron nitride, Cellulose diacetate, bamboo fibers mixed grinding evenly, obtain mixed powder; Again by other remaining component mixing and stirring, with gained powder mixed grinding 20-30 minute, reheat to 60-70 DEG C, griding reaction 30-40 minute, to obtain final product.

The preparation method of described attapulgite modified filler, is characterized in that comprising the following steps:

(1) attapulgite is sent into calcining furnace, at 300-400 DEG C, calcine 3-4 hour, take out and pulverize, cross 20 mesh sieves, add in the water of 340-360 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 DEG C, stir 1-2 hour, then add SPC-D continuation stirring 1-2 hour while stirring, filter, being washed to pH value is 6-8, refilter, dry, obtain activation attapulgite powder;

(2) other remaining components are added in residue water, stir, obtain slurry;

(3) warm air blowing 50-60 DEG C to attapulgite powder makes it seethe, then in the powder seethed, spray into the slurry that (2) vaporific step obtains, and make the two fully after mixing, maintenance temperature is 50-60 DEG C, continues to seethe 30-40 minute;

(4) mixture (3) step obtained is dried, and grinds to form the particle of 5-80 μm, to obtain final product.

Beneficial effect of the present invention

Surface Organic Modification of Attapugite of the present invention is even, good dispersity, there is performance that is anti-oxidant, ageing-resistant, anti-soil, be applicable to coating, rubber, printing in textiles suspension agent filler, coating, rubber, gloss that textiles is high can be given, scrape resistant, bright in luster, antipollution characteristic, reduce costs.

Embodiment

A kind of attapulgite modified filler, is made up of the raw material of following weight part (kilogram): magnesium oxide 2.5, Tegin 55G 2.5, cationic fluorocarbon surfactant 1, active zinc flower 2.5, SPC-D 1.4, graphene oxide 4, mutual-amido two polyaniline 1, γ-glycidyl ether oxygen propyl trimethoxy silicane 1.5, water are appropriate, auxiliary agent 8,9% hydrochloric acid soln 35;

Described auxiliary agent is made up of the raw material of following weight part (kilogram): nano-calcium carbonate 4.5, agilawood 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: by nano-calcium carbonate, precipitated chalk, nano zeolite powder, molybdenumdisulphide, Strontium carbonate powder, boron nitride, Cellulose diacetate, bamboo fibers mixed grinding evenly, obtain mixed powder; Again by other remaining component mixing and stirring, with gained powder mixed grinding 25 minutes, reheat to 65 DEG C, griding reaction 35 minutes, to obtain final product.

The preparation method of described attapulgite modified filler, comprises the following steps:

(1) attapulgite is sent into calcining furnace, calcine 3.5 hours at 350 DEG C, take out and pulverize, cross 20 mesh sieves, add in the water of 350 weight parts, stir 11 hours under 150 revs/min, obtain attapulgite suspension, add 9% hydrochloric acid soln, be heated to 55 DEG C, stir 1.5 hours, then add SPC-D continuation stirring 1.5 hours while stirring, filter, being washed to pH value is 6, refilter, dry, obtain activation attapulgite powder;

(2) other remaining components are added in residue water, stir, obtain slurry;

(3) warm air blowing 55 DEG C to attapulgite powder makes it seethe, then in the powder seethed, spray into the slurry that (2) vaporific step obtains, and makes the two fully after mixing, keeps temperature to be 55 DEG C, continue to seethe 35 minutes;

(4) mixture (3) step obtained is dried, and grinds to form the particle of 5-80 μm, to obtain final product.

Experimental data:

The attapulgite modified specific surface area of the present embodiment is 288 ㎡/g, is added to the water by 4%, and tested viscosity is 11830.3mPa.s.Add in coating by this filler, consumption is 15%, this coating artificial ageing resistance 3900 hours, and coating thicknesses of layers under the prerequisite keeping low-luster and high-wearing feature reaches more than 35 microns, and sticking power is 1 grade, resistance to impact shock >=55kgcm.

Claims (2)

1. an attapulgite modified filler, is characterized in that being made up of the raw material of following weight part: magnesium oxide 2-3, Tegin 55G 2-3, cationic fluorocarbon surfactant 0.7-1.3, active zinc flower 2-3, SPC-D 1.2-1.5, graphene oxide 3-5, mutual-amido two polyaniline 0.8-1.2, γ-glycidyl ether oxygen propyl trimethoxy silicane 1-2, water are appropriate, auxiliary agent 5-10,8-10% hydrochloric acid soln 30-40;

Described auxiliary agent is made up of the raw material of following weight part: nano-calcium carbonate 4-5, agilawood 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: by nano-calcium carbonate, precipitated chalk, nano zeolite powder, molybdenumdisulphide, Strontium carbonate powder, boron nitride, Cellulose diacetate, bamboo fibers mixed grinding evenly, obtain mixed powder; Again by other remaining component mixing and stirring, with gained powder mixed grinding 20-30 minute, reheat to 60-70 DEG C, griding reaction 30-40 minute, to obtain final product.

2. the preparation method of attapulgite modified filler according to claim 1, is characterized in that comprising the following steps:

(1) attapulgite is sent into calcining furnace, at 300-400 DEG C, calcine 3-4 hour, take out and pulverize, cross 20 mesh sieves, add in the water of 340-360 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 DEG C, stir 1-2 hour, then add SPC-D continuation stirring 1-2 hour while stirring, filter, being washed to pH value is 6-8, refilter, dry, obtain activation attapulgite powder;

(2) other remaining components are added in residue water, stir, obtain slurry;

(3) warm air blowing 50-60 DEG C to attapulgite powder makes it seethe, then in the powder seethed, spray into the slurry that (2) vaporific step obtains, and make the two fully after mixing, maintenance temperature is 50-60 DEG C, continues to seethe 30-40 minute;

(4) mixture (3) step obtained is dried, and grinds to form the particle of 5-80 μm, to obtain final product.