CN113736189A - Haze-removing and haze-reducing PVC waterproof roll and preparation method thereof - Google Patents

Haze-removing and haze-reducing PVC waterproof roll and preparation method thereof Download PDF

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CN113736189A
CN113736189A CN202010480631.3A CN202010480631A CN113736189A CN 113736189 A CN113736189 A CN 113736189A CN 202010480631 A CN202010480631 A CN 202010480631A CN 113736189 A CN113736189 A CN 113736189A
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haze
mass
calcium carbonate
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赵德玲
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Qingdao Yuelang Construction Technology Co ltd
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Qingdao Yuelang Construction Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/06Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J21/00Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
    • B01J21/06Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • B01J21/063Titanium; Oxides or hydroxides thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20Carbon compounds
    • B01J27/232Carbonates
    • B01J35/23
    • B01J35/39
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/10Esters; Ether-esters
    • C08K5/12Esters; Ether-esters of cyclic polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00Use of pretreated ingredients
    • C08K9/10Encapsulated ingredients
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/10Roof covering by making use of flexible material, e.g. supplied in roll form by making use of compounded or laminated materials, e.g. metal foils or plastic films coated with bitumen
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2265Oxides; Hydroxides of metals of iron
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives

Abstract

The invention relates to a haze-removing and haze-reducing PVC waterproof roll and a preparation method thereof. In the preparation process, the calcium carbonate powder used in the preparation process of the PVC coiled material is directly used as a carrier, and the crystal titanium dioxide nanoparticles with the mastoid structures are loaded on the surface of the calcium carbonate powder, so that the filler has an excellent photocatalytic effect, and is used for preparing the PVC waterproof coiled material and is matched with the FeOOH nanoparticles, so that the haze removing and reducing effects of the whole PVC waterproof coiled material are improved.

Description

Haze-removing and haze-reducing PVC waterproof roll and preparation method thereof
Technical Field
The invention relates to the field of PVC waterproof coiled materials, in particular to a PVC waterproof coiled material with a haze reducing function and a preparation method thereof.
Background
Haze is a hazardous product caused by large-scale industrial development, and mainly comprises three substances of sulfur dioxide, nitrogen oxide and inhalable particles. Among the most hazardous are the inhalable particles. In recent years, large-scale haze pollution is frequent, at present, the longest detection target is fine particulate matter PM2.5, and the main forming sources of PM2.5 comprise volatile organic pollutants (VOCs), such as formaldehyde, toluene, xylene and the like.
People usually can install air purifier indoor in order to reduce the harm caused by haze. However, the function of a general air purifier is very little outdoors. For this reason, many researchers have tried to clean haze in the air by applying an eco-friendly paint having a photocatalytic effect on the surface of a building.
Wherein most are based on coating emulsions to which a photocatalyst, such as TiO, is added2And ZnO, and the like, and other additives are added to the paint to be coated on the surface of a building. However, the cost of such coatings is generally high, the photocatalytic effect is not ideal, and certain photocatalysis is usually required under the condition of strong illumination, so that the haze removal or reduction is not obvious.
The basic starting point of the existing photocatalytic building environment-friendly coating is that the photocatalytic building environment-friendly coating on the surface of a building can be relatively uniformly and discretely distributed in the atmosphere with serious haze pollution by utilizing the wide distribution of the building, and the haze pollution in the atmosphere is removed in real time in a real-time and on-site manner. However, the effect of photocatalytic eco-friendly coatings is not ideal, and therefore, other alternative solutions are required to be sought.
In addition to coatings applied to building surfaces, waterproofing coils are also applied to building roofs. However, few studies have been made on how to impart excellent haze removal and haze reduction effects to the waterproofing membrane. At present, the Doctorbai mechanical engineering science and technology limited company proposes that an ethylene-propylene-octene copolymer, three-dimensional nano zinc oxide/molybdenum disulfide particles, an antioxidant and a light stabilizer are combined into a haze-resistant raw material, and then the haze-resistant layer and a scroll layer are co-extruded to form the waterproof roll with the haze-resistant function. However, in the method, molybdenum disulfide nanosheets are needed as carriers, the cost is high, and meanwhile, zinc oxide is used as a photocatalyst, so that the preparation process is complex and the difficulty is high in practical application.
Therefore, the invention aims to provide the haze-reducing PVC waterproof roll with low cost and simple and convenient preparation and the preparation method thereof.
Disclosure of Invention
Aiming at the defects of high cost and complex preparation process of the existing haze-removing and haze-reducing waterproof coiled material, the invention provides the haze-removing and haze-reducing PVC waterproof coiled material and the preparation method thereof, wherein the cost is low, and the preparation is simple and convenient.
The preparation method of the haze-removing and haze-reducing PVC waterproof roll comprises the following steps of forming raw materials of the haze-removing and haze-reducing PVC waterproof roll by PVC resin, a plasticizer DOP (dioctyl phthalate), a stabilizer, an antioxidant, an ultraviolet absorbent, FeOOH nanoparticles and a calcium carbonate-based titanium dioxide photocatalyst, putting the raw materials into a kneading machine, kneading, putting into an extruder, and extruding to obtain the haze-removing and haze-reducing PVC waterproof roll, wherein the specific steps are as follows:
(1) dispersing calcium carbonate powder in deionized water to prepare calcium carbonate slurry A with the mass volume concentration of 5-20%, dissolving tetrabutyl titanate in an ethanol solution to prepare tetrabutyl titanate ethanol solution B with the mass volume concentration of 5-20%, mixing the calcium carbonate slurry A and the tetrabutyl titanate ethanol solution B according to the volume ratio of 1:1, uniformly stirring, heating to 60-80 ℃ to form titanium dioxide nanoparticles with a crystal structure on the surfaces of the calcium carbonate particles, standing, centrifugally separating, washing and drying the dispersion liquid to obtain the calcium carbonate powder with the crystal titanium dioxide nanoparticles coated on the surfaces, namely the calcium carbonate-based titanium dioxide photocatalyst;
(2) 60-75 parts by mass of PVC resin, 1-4 parts by mass of plasticizer DOP, 1-4 parts by mass of stabilizer, 1-4 parts by mass of antioxidant, 1-4 parts by mass of ultraviolet absorber, 0.5-2 parts by mass of FeOOH nano particles and 20-30 parts by mass of calcium carbonate-based titanium dioxide photocatalyst are mixed and then put into a kneader, kneaded for 10-15min at the temperature of 100-120 ℃ and then extruded in an extruder.
Wherein the stabilizer is selected from one of calcium-zinc heat stabilizer CZ-1, calcium-zinc heat stabilizer CZ-2 and calcium-zinc heat stabilizer CZ-3.
The antioxidant is selected from any one of monophenols, bisphenols, macromolecular phenols, sulfur and phosphate esters; specifically, it is selected from 2, 6-di-tert-butyl-p-cresol, butylated hydroxyanisole, 2, 6-di-tert-butyl-4-ethylphenol; 2, 2 '-methylenebis (4-methyl-6-tert-butylphenol), 2' -methylenebis (4-ethyl-6-tert-butylphenol), 4 '-thiobis (3-methyl-6-tert-butylphenol), 4' -butylidenebis (3-methyl-6-tert-butylphenol); 1, 1, 3-tris (2-methyl-4-hydroxy-5-t-butylphenyl) butane, 1, 3, 5-trimethyl-2, 4, 6-tris (3, 5-di-t-butyl-4-hydroxybenzyl) benzene, tetrakis { methylene-3- (3 ', 5' -di-t-butyl-4 '-hydroxyphenyl) propionate } methane, ethylene glycol bis { (3, 3' -di-4 '-hydroxy-3' -t-butylphenyl) butyrate }; dilauryl thiodipropionate, dimyristyl thiodipropionate and distearyl thiopropionate; any one of triphenyl phosphate, diphenyl isodecyl phosphate and phenyl diisodecyl phosphate.
The ultraviolet absorbent is selected from any one of benzophenones, benzotriazoles, triazines and salicylates; specifically, it is selected from 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-2' -carboxybenzophenone, 2-hydroxy-4-octyloxybenzophenone, 2-hydroxy-4-n-dodecyloxybenzophenone, 2-hydroxy-4-n-octadecyloxybenzophenone, and 2-hydroxy-4-benzyloxybenzophenone; 2- (2-hydroxy-5-methylphenyl) benzotriazole, 2- (2-hydroxy-5-tert-butylphenyl) benzotriazole, 2- (2-hydroxy-3, 5-dimethylphenyl) benzotriazole, 2- (2-methyl-4-hydroxyphenyl) benzotriazole; 2- [4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazin-2-yl ] -5-octyloxyphenol, 2- (4, 6-diphenyl-1, 3, 5-triazin-2-yl) -5-hexyloxyphenol.
In the preparation method of the PVC waterproof roll for removing and reducing haze, the existing method of using additional molybdenum disulfide nanosheets as carriers is abandoned, filler particle calcium carbonate used in the PVC waterproof roll is directly used as the carriers, titanium dioxide nanoparticles are formed on the surface of the filler particle calcium carbonate in situ, and the raw material cost for preparing the PVC roll is not increased.
The titanium dioxide nano particles are prepared by taking tetrabutyl titanate as a raw material and hydrolyzing the tetrabutyl titanate in situ in a dispersion solution, and compared with nano zinc oxide with similar photocatalytic performance, the preparation process is simple.
The prepared calcium carbonate powder coated with the crystalline titanium dioxide nanoparticles on the surface, namely the calcium carbonate-based titanium dioxide photocatalyst, has a spherical shell-core structure, the core is calcium carbonate particles, and the shell is a discretely distributed crystalline titanium dioxide nanoparticle mastoid structure which has rich specific surface area and can obviously improve the photocatalytic effect of titanium dioxide.
In removing the haze, reducing haze PVC waterproofing membrane, FeOOH nanoparticle has been added, and it has obvious absorption to visible light, can produce photoproduction electron and hole, and the crystal titanium dioxide of cooperation mastoid structure can promote its at visible light within range photocatalytic effect, improves removing the haze of whole PVC waterproofing membrane, reduces the haze effect.
Detailed Description
Example 1
The utility model provides a remove haze, subtract haze PVC waterproofing membrane, concrete preparation step is as follows:
(1) dispersing calcium carbonate powder in deionized water to prepare calcium carbonate slurry A with the mass volume concentration of 10%, dissolving tetrabutyl titanate in an ethanol solution to prepare tetrabutyl titanate ethanol solution B with the mass volume concentration of 10%, mixing the calcium carbonate slurry A and the tetrabutyl titanate ethanol solution B according to the volume ratio of 1:1, uniformly stirring, heating to 70 ℃ to form titanium dioxide nanoparticles with a crystal structure on the surfaces of the calcium carbonate particles, standing, centrifugally separating, washing and drying the dispersion liquid to obtain the calcium carbonate powder with the surfaces coated with the crystal titanium dioxide nanoparticles, namely the calcium carbonate-based titanium dioxide photocatalyst;
(2) mixing 65 parts by mass of PVC resin, 2 parts by mass of plasticizer DOP, 2 parts by mass of stabilizer, 2 parts by mass of antioxidant, 2 parts by mass of ultraviolet absorber, 1 part by mass of FeOOH nano-particles and 25 parts by mass of calcium carbonate-based titanium dioxide photocatalyst, putting the mixture into a kneader, kneading the mixture at 110 ℃ for 12min, and extruding the kneaded mixture in an extruder.
Wherein the stabilizer is a calcium-zinc heat stabilizer CZ-1; the antioxidant is 2, 6-di-tert-butyl-p-cresol; the ultraviolet light absorber is 2-hydroxy-4-octoxy benzophenone.
Example 2
The utility model provides a remove haze, subtract haze PVC waterproofing membrane, concrete preparation step is as follows:
(1) dispersing calcium carbonate powder in deionized water to prepare calcium carbonate slurry A with the mass volume concentration of 15%, dissolving tetrabutyl titanate in an ethanol solution to prepare tetrabutyl titanate ethanol solution B with the mass volume concentration of 10%, mixing the calcium carbonate slurry A and the tetrabutyl titanate ethanol solution B according to the volume ratio of 1:1, uniformly stirring, heating to 80 ℃ to form titanium dioxide nanoparticles with a crystal structure on the surfaces of the calcium carbonate particles, standing, centrifugally separating, washing and drying the dispersion liquid to obtain the calcium carbonate powder with the surfaces coated with the crystal titanium dioxide nanoparticles, namely the calcium carbonate-based titanium dioxide photocatalyst;
(2) 75 parts by mass of PVC resin, 4 parts by mass of plasticizer DOP, 3 parts by mass of stabilizer, 3 parts by mass of antioxidant, 2 parts by mass of ultraviolet absorber, 2 parts by mass of FeOOH nano particles and 30 parts by mass of calcium carbonate-based titanium dioxide photocatalyst are mixed and put into a kneader, kneaded for 15min at 120 ℃, and then extruded in an extruder.
Wherein the stabilizer is a calcium-zinc heat stabilizer CZ-2; the antioxidant is butylated hydroxyanisole; the ultraviolet light absorber is 2- (2-hydroxy-5-methylphenyl) benzotriazole.
Example 3
The utility model provides a remove haze, subtract haze PVC waterproofing membrane, concrete preparation step is as follows:
(1) dispersing calcium carbonate powder in deionized water to prepare calcium carbonate slurry A with the mass volume concentration of 5%, dissolving tetrabutyl titanate in an ethanol solution to prepare tetrabutyl titanate ethanol solution B with the mass volume concentration of 10%, mixing the calcium carbonate slurry A and the tetrabutyl titanate ethanol solution B according to the volume ratio of 1:1, uniformly stirring, heating to 60 ℃ to form titanium dioxide nanoparticles with a crystal structure on the surfaces of the calcium carbonate particles, standing, centrifugally separating, washing and drying the dispersion liquid to obtain the calcium carbonate powder with the surfaces coated with the crystal titanium dioxide nanoparticles, namely the calcium carbonate-based titanium dioxide photocatalyst;
(2) 60 parts by mass of PVC resin, 2 parts by mass of plasticizer DOP, 2 parts by mass of stabilizer, 1 part by mass of antioxidant, 1 part by mass of ultraviolet absorber, 0.5 part by mass of FeOOH nano-particles and 20 parts by mass of calcium carbonate-based titanium dioxide photocatalyst are mixed and put into a kneader, kneaded at 100 ℃ for 10min and then extruded in an extruder.
Wherein the stabilizer is a calcium-zinc heat stabilizer CZ-3; the antioxidant is 2, 2' -methylene bis (4-ethyl-6-tert-butylphenol); the ultraviolet light absorber is 2- (2-methyl-4-hydroxyphenyl) benzotriazole.
Example 4
The utility model provides a remove haze, subtract haze PVC waterproofing membrane, concrete preparation step is as follows:
(1) dispersing calcium carbonate powder in deionized water to prepare calcium carbonate slurry A with the mass volume concentration of 20%, dissolving tetrabutyl titanate in an ethanol solution to prepare tetrabutyl titanate ethanol solution B with the mass volume concentration of 15%, mixing the calcium carbonate slurry A and the tetrabutyl titanate ethanol solution B according to the volume ratio of 1:1, uniformly stirring, heating to 80 ℃ to form titanium dioxide nanoparticles with a crystal structure on the surfaces of the calcium carbonate particles, standing, centrifugally separating, washing and drying the dispersion liquid to obtain the calcium carbonate powder with the surfaces coated with the crystal titanium dioxide nanoparticles, namely the calcium carbonate-based titanium dioxide photocatalyst;
(2) 70 parts by mass of PVC resin, 2 parts by mass of plasticizer DOP, 4 parts by mass of stabilizer, 3 parts by mass of antioxidant, 2 parts by mass of ultraviolet absorber, 1.5 parts by mass of FeOOH nano particles and 25 parts by mass of calcium carbonate-based titanium dioxide photocatalyst are mixed and put into a kneader, kneaded at 120 ℃ for 13min and then extruded in an extruder.
Wherein the stabilizer is a calcium-zinc heat stabilizer CZ-1; the antioxidant is dilauryl thiodipropionate; the ultraviolet light absorber is 2-hydroxy-4-methoxybenzophenone.
Comparative example
Compared with the example 1, in the preparation process of the PVC waterproof roll, 10 parts by mass of calcium carbonate and 15 parts by mass of nano titanium dioxide are used for replacing 25 parts by mass of the calcium carbonate-based titanium dioxide photocatalyst and 1 part by mass of FeOOH nano particles, and other preparation conditions are the same.
In order to better embody the haze removal and reduction effects of the PVC waterproof roll material, the PVC waterproof roll materials prepared in examples 1 to 4 and the comparative example were subjected to a performance test, and the specific test method was: respectively placing the five PVC waterproof coiled materials in a haze removal test box for testing, respectively irradiating by using a 30W ultraviolet lamp and a fluorescent lamp, and respectively using a nitrogen oxide, sulfur dioxide and TVOC tester for controlling the initial concentration C before irradiation0And the concentration C after 2h of irradiation1Testing is carried out, and the corresponding photocatalytic degradation rate omega = (C) is calculated0- C1)/C0The results are shown in the following table.
Figure DEST_PATH_IMAGE001
The haze removing and reducing PVC waterproof roll material disclosed by the invention has excellent photocatalytic efficiency under an ultraviolet light condition, and the photocatalytic efficiency under common sunlight irradiation is also very ideal. Meanwhile, the preparation process of the PVC waterproof coiled material is simpler and more convenient, has low cost and has market application prospect.

Claims (7)

1. The preparation method of the PVC waterproof roll material capable of removing haze and reducing haze comprises the following steps of forming raw materials of the PVC waterproof roll material capable of removing haze and reducing haze by PVC resin, a plasticizer DOP (dioctyl phthalate), a stabilizer, an antioxidant, an ultraviolet absorbent, FeOOH nanoparticles and a calcium carbonate-based titanium dioxide photocatalyst, putting the raw materials into a kneading machine, kneading, putting into an extruder, and extruding to obtain the PVC waterproof roll material capable of removing haze and reducing haze, and is characterized in that the specific preparation steps are as follows:
(1) dispersing calcium carbonate powder in deionized water to prepare calcium carbonate slurry A with the mass volume concentration of 5-20%, dissolving tetrabutyl titanate in an ethanol solution to prepare tetrabutyl titanate ethanol solution B with the mass volume concentration of 5-20%, mixing the calcium carbonate slurry A and the tetrabutyl titanate ethanol solution B according to the volume ratio of 1:1, uniformly stirring, heating to 60-80 ℃ to form titanium dioxide nanoparticles with a crystal structure on the surfaces of the calcium carbonate particles, standing, centrifugally separating, washing and drying the dispersion liquid to obtain the calcium carbonate powder with the crystal titanium dioxide nanoparticles coated on the surfaces, namely the calcium carbonate-based titanium dioxide photocatalyst;
(2) 60-75 parts by mass of PVC resin, 1-4 parts by mass of plasticizer DOP, 1-4 parts by mass of stabilizer, 1-4 parts by mass of antioxidant, 1-4 parts by mass of ultraviolet absorber, 0.5-2 parts by mass of FeOOH nano particles and 20-30 parts by mass of calcium carbonate-based titanium dioxide photocatalyst are mixed and then put into a kneader, kneaded for 10-15min at the temperature of 100-120 ℃ and then extruded in an extruder.
2. The preparation method of the PVC waterproof roll for removing haze and reducing haze according to claim 1, characterized by comprising the following steps: the stabilizer is one selected from calcium-zinc heat stabilizer CZ-1, calcium-zinc heat stabilizer CZ-2 and calcium-zinc heat stabilizer CZ-3.
3. The preparation method of the PVC waterproof roll for removing haze and reducing haze according to claim 1, characterized by comprising the following steps: the antioxidant is selected from any one of monophenols, bisphenols, macromolecular phenols, sulfur and phosphate esters.
4. The preparation method of the PVC waterproof roll for removing haze and reducing haze according to claim 3, characterized by comprising the following steps: the antioxidant is selected from 2, 6-di-tert-butyl-p-cresol, butylated hydroxyanisole, 2, 6-di-tert-butyl-4-ethylphenol; 2, 2 '-methylenebis (4-methyl-6-tert-butylphenol), 2' -methylenebis (4-ethyl-6-tert-butylphenol), 4 '-thiobis (3-methyl-6-tert-butylphenol), 4' -butylidenebis (3-methyl-6-tert-butylphenol); 1, 1, 3-tris (2-methyl-4-hydroxy-5-t-butylphenyl) butane, 1, 3, 5-trimethyl-2, 4, 6-tris (3, 5-di-t-butyl-4-hydroxybenzyl) benzene, tetrakis { methylene-3- (3 ', 5' -di-t-butyl-4 '-hydroxyphenyl) propionate } methane, ethylene glycol bis { (3, 3' -di-4 '-hydroxy-3' -t-butylphenyl) butyrate }; dilauryl thiodipropionate, dimyristyl thiodipropionate and distearyl thiopropionate; any one of triphenyl phosphate, diphenyl isodecyl phosphate and phenyl diisodecyl phosphate.
5. The preparation method of the PVC waterproof roll for removing haze and reducing haze according to claim 1, characterized by comprising the following steps: the ultraviolet absorbent is selected from any one of benzophenones, benzotriazoles, triazines and salicylates.
6. The preparation method of the PVC waterproof roll for removing haze and reducing haze according to claim 5, characterized by comprising the following steps: the ultraviolet absorbent is selected from 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-methoxy-2' -carboxybenzophenone, 2-hydroxy-4-octoxybenzophenone, 2-hydroxy-4-n-dodecyloxybenzophenone, 2-hydroxy-4-n-octadecyloxybenzophenone, and 2-hydroxy-4-benzyloxy benzophenone; 2- (2-hydroxy-5-methylphenyl) benzotriazole, 2- (2-hydroxy-5-tert-butylphenyl) benzotriazole, 2- (2-hydroxy-3, 5-dimethylphenyl) benzotriazole, 2- (2-methyl-4-hydroxyphenyl) benzotriazole; 2- [4, 6-bis (2, 4-dimethylphenyl) -1, 3, 5-triazin-2-yl ] -5-octyloxyphenol, 2- (4, 6-diphenyl-1, 3, 5-triazin-2-yl) -5-hexyloxyphenol.
7. The PVC waterproof roll capable of removing haze and reducing haze prepared by the preparation method according to any one of claims 1 to 6.
CN202010480631.3A 2020-05-30 2020-05-30 Haze-removing and haze-reducing PVC waterproof roll and preparation method thereof Pending CN113736189A (en)

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