CN111825931A - Negative ion PVC floor and preparation method thereof - Google Patents
Negative ion PVC floor and preparation method thereof Download PDFInfo
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- CN111825931A CN111825931A CN202010726750.2A CN202010726750A CN111825931A CN 111825931 A CN111825931 A CN 111825931A CN 202010726750 A CN202010726750 A CN 202010726750A CN 111825931 A CN111825931 A CN 111825931A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention belongs to the field of high polymer materials. The invention relates to an anion PVC floor and a preparation method thereof, wherein tourmaline is modified to prepare a modified anion auxiliary agent which is applied to a PVC floor blend material and subjected to blending, extrusion, sizing, cooling, traction and fixed-length cutting to obtain the anion PVC floor. The novel material effectively solves the problem of single functionality of the existing PVC floor, and has the characteristics of excellent antibacterial property, formaldehyde removal capability, lasting negative ion supply capability and the like while keeping the existing physical properties unaffected. The PVC floor material can be expected to meet wide market prospect in the fields of building materials and indoor home decoration.
Description
Technical Field
The invention relates to a negative ion PVC floor and a preparation method thereof. The invention belongs to the field of high polymer materials.
Background
At present, the tomb foundation construction in various fields of China sustains fire and heat, the PVC product has good prospect in the building material market, and the application of the PVC floor becomes a hot spot. From the view of the product, the PVC product has the advantages of ultraviolet resistance, acid and alkali corrosion resistance, olive and moth resistance, good flame retardance, static resistance and the like, and has good anti-skid property and safe and comfortable walking; from the perspective of environmental protection, PVC is lead-free, low in volatility, free of paint and decoration, safe and reliable in use process, lighter in PVC chemical building material quality, convenient to store and transport, and promotion effect is also promoted to the reduction of recessive cost.
On the other hand, tourmaline is the earliest piezoelectric and pyroelectric material found by human beings, is a silicate mineral with boron characteristics, and can be ionized in air to release negative oxygen ions with small particle size. The effects are mainly shown in the following three aspects: (1) negative ions are generated, so that the air can be activated, the drinking water quality can be purified, and the sterilization and the like can be realized; (2) the weak current with 0.06mA can balance the bioelectricity of the human body to generate negative ions; (3) the far infrared ray is released, and the far infrared ray can be absorbed by the human body and promote the blood circulation of the human body. However, the tourmaline has the following problems in the application process: as the specific surface area is increased and the specific surface energy is increased along with the reduction of the particle size of the powder, agglomeration is easily generated in the preparation and processing processes, so that the tourmaline is not easy to be uniformly dispersed in the compounding process with other components, thereby influencing the comprehensive performance and the service life of the composite material.
In view of the advantages of tourmaline, researchers need to actively research and develop novel modified tourmaline to maximize the use of the advantages of tourmaline, and meanwhile, the application of tourmaline to a PVC floor is a very meaningful work in consideration of the application universality of the PVC floor.
Disclosure of Invention
The invention aims to provide an anion PVC floor and a preparation method thereof, aiming at the problem of single function of the existing PVC floor. The formaldehyde removing agent has the characteristics of excellent formaldehyde removing capability, lasting negative ion supply capability and the like while maintaining the existing physical properties unaffected. The PVC floor material can be expected to meet wide market prospect in the fields of building materials and indoor home decoration.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the negative ion PVC floor is characterized by comprising the following raw materials in parts by weight:
PVC SG-5100 parts;
3-5 parts of a stabilizer;
0.3-1 part of a lubricant;
1-2 parts of a processing aid;
5-8 parts of an impact modifier;
30-40 parts of activated light calcium carbonate;
10-20 parts of modified anion auxiliary agent.
Preferably, the stabilizer is a calcium zinc stabilizer.
Preferably, the lubricant is white paraffin, calcium stearate, stearic acid or mineral oil.
Preferably, the impact modifier is ACR or CPE.
Preferably, the activated light calcium carbonate is obtained by treating light calcium carbonate and stearic acid according to the mass ratio of 100/3-5.
Preferably, the preparation method of the modified anion assistant comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 5-15g of carbon-carbon double bond-containing acid anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting at 30-60 ℃ for 1.5-3.5h, filtering after the reaction is finished, leaching with alcohol for 5 times, and drying at 70 ℃ to obtain modified tourmaline;
(2) adding 60-80g of vinyl acetate and 10-20g of vinyl caprylate into a three-neck flask, adding 10-20g of modified tourmaline, stirring, preheating to 70 ℃, adding 2 wt% of AIBN, reacting for 2h, adding 50mL of DMF, reacting for 3h, adding 50mL of DMF, and finally reacting for 5h to obtain a modified tourmaline polymer structure, namely a modified negative ion assistant;
the dosage of the AIBN is the percentage of the total mass of the vinyl acetate and the vinyl caprylate.
Preferably, the carbon-carbon double bond-containing anhydride is maleic anhydride, methacrylic anhydride or hexadecene succinic anhydride.
A preparation method of a negative ion PVC floor is characterized by comprising the following steps: comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) and adding the mixed materials into a double-screw extruder for extrusion, carrying out vacuum forming under the vacuum pressure of 0.06MPa and the temperature of below 20 ℃, cooling the materials at the temperature of below 20 ℃, drawing at the speed of 1m/min, and cutting at a fixed length under the air pressure of 600kPa to obtain the negative ion PVC floor.
Preferably, the technological parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperature is respectively 175-180 ℃, 180-185 ℃ and 190-195 ℃.
The invention has the beneficial effects that:
(1) the invention provides an anion PVC floor and a preparation method thereof, wherein one of the components is a modified anion auxiliary agent, and tourmaline, carbon-carbon double bond-containing acid anhydride, vinyl acetate and vinyl caprylate are used as raw materials for preparation. On one hand, the tourmaline has wide sources and exists in the nature; on the other hand, macromolecular chains containing acetate and caprylate structures have better plasticizing effect in PVC.
(2) The invention provides an anion PVC floor and a preparation method thereof, and the adopted calcium-zinc stabilizer has a good effect in a PVC system and has the characteristics of environmental protection, no odor and no odor.
(3) The invention provides an anion PVC floor, which solves the problems that the existing PVC floor has single function, and has the characteristics of formaldehyde removal capability, lasting anion supply capability and the like through flexible modification means such as molecular design and the like. The material can be expected to meet wide market prospect in the fields of building materials and indoor home decoration.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to examples. It is to be understood, however, that the following examples are illustrative of embodiments of the present invention and are not to be construed as limiting the scope of the invention.
Example 1
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
3 parts of LF-S6001 calcium zinc stabilizer;
0.3 part of white paraffin;
2 parts of PA-20 processing aid;
5 parts of ZB-50ACR impact modifier;
40 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/3);
20 parts of modified anion auxiliary agent.
The preparation method of the modified anion auxiliary agent comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 5g of maleic anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting for 2 hours at 40 ℃, filtering after the reaction is finished, rinsing with alcohol for 5 times, and drying at 70 ℃ to obtain modified tourmaline;
the infrared data are as follows: IR (KBr, cm)-1)：3450cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1752cm-1: -C ═ O is present; 1633cm-1、811cm-1: -C ═ C-is present.
(2) Adding 70g of vinyl acetate and 20g of vinyl caprylate into a three-neck flask, adding 10g of modified tourmaline, stirring, preheating to 70 ℃, adding 1.8g of AIBN, reacting for 2 hours, adding 50mL of DMF, reacting for 3 hours, adding 50mL of DMF, and finally reacting for 5 hours to obtain a modified tourmaline polymer structure, namely the modified negative ion assistant.
The infrared data are as follows: IR (KBr, cm)-1)：3450cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1752cm-1: -C ═ O is present; 2931cm-1：-CH3(ii) present; 1633cm-1、811cm-1: -C ═ C — disappearance.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 175 deg.C, 180 deg.C, and 195 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
Example 2
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
5 parts of LF-S6001 calcium zinc stabilizer;
1 part of calcium stearate;
2 parts of PA-20 processing aid;
8 parts of CPE-135A impact modifier;
30 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/5);
10 parts of modified anion auxiliary agent.
The preparation method of the modified anion auxiliary agent comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 15g of hexadecene succinic anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting for 3 hours at 60 ℃, filtering after the reaction is finished, rinsing with alcohol for 5 times, and drying at 70 ℃ to obtain the modified tourmaline;
the infrared data are as follows: IR (KBr, cm)-1)：3450cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 1631cm-1: -C ═ C-is present.
(2) Adding 60g of vinyl acetate and 20g of vinyl caprylate into a three-neck flask, adding 20g of modified tourmaline, stirring, preheating to 70 ℃, adding 1.6g of AIBN, reacting for 2 hours, adding 50mL of DMF, reacting for 3 hours, adding 50mL of DMF, and finally reacting for 5 hours to obtain a modified tourmaline polymer structure, namely the modified negative ion assistant.
The infrared data are as follows: IR (KBr, cm)-1)：3450cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 2931cm-1：-CH3(ii) present; 1631cm-1: -C ═ C — disappearance.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 180 deg.C, 185 deg.C, and 195 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
Example 3
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
4 parts of LF-S6001 calcium zinc stabilizer;
0.5 part of stearic acid;
1 part of PA-20 processing aid;
5 parts of ZB-50ACR impact modifier;
30 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/5);
15 parts of modified anion auxiliary agent.
The preparation method of the modified anion auxiliary agent comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 8g of methacrylic anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting for 3 hours at 30 ℃, filtering after the reaction is finished, rinsing with alcohol for 5 times, and drying at 70 ℃ to obtain modified tourmaline;
the infrared data are as follows: IR (KBr, cm)-1)：3450cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 1632cm-1: -C ═ C-is present.
(2) Adding 75g of vinyl acetate and 10g of vinyl caprylate into a three-neck flask, adding 15g of modified tourmaline, stirring, preheating to 70 ℃, adding 1.7g of AIBN, reacting for 2 hours, adding 50mL of DMF, reacting for 3 hours, adding 50mL of DMF, and finally reacting for 5 hours to obtain a modified tourmaline polymer structure, namely the modified negative ion assistant.
The infrared data are as follows: IR (KBr, cm)-1)：3450cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 2931cm-1：-CH3(ii) present; 1632cm-1: -C ═ C — disappearance.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 175 deg.C, 180 deg.C, 185 deg.C, and 190 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
Example 4
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
4.5 parts of LF-S6001 calcium zinc stabilizer;
0.7 part of mineral oil;
1.5 parts of PA-20 processing aid;
5 parts of ZB-50ACR impact modifier;
35 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/4);
20 parts of modified anion auxiliary agent.
The preparation method of the modified anion auxiliary agent comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 8g of maleic anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting for 1.5h at 40 ℃, filtering after the reaction is finished, rinsing with alcohol for 5 times, and drying at 70 ℃ to obtain the modified tourmaline;
the infrared data are as follows: IR (KBr, cm)-1)：3452cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 1632cm-1、812cm-1: -C ═ C-is present.
(2) Adding 80g of vinyl acetate and 10g of vinyl caprylate into a three-neck flask, adding 10g of modified tourmaline, stirring, preheating to 70 ℃, adding 1.8g of AIBN, reacting for 2 hours, adding 50mL of DMF, reacting for 3 hours, adding 50mL of DMF, and finally reacting for 5 hours to obtain a modified tourmaline polymer structure, namely the modified negative ion auxiliary agent.
The infrared data are as follows: IR (KBr, cm)-1)：3454cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 2931cm-1：-CH3(ii) present; 1632cm-1、812cm-1: : -C ═ C — disappearance.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 180 deg.C, 185 deg.C, and 190 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
Example 5
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
3.5 parts of LF-S6001 calcium zinc stabilizer;
0.5 part of white paraffin;
1.5 parts of PA-20 processing aid;
8 parts of CPE-135A impact modifier;
40 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/3);
20 parts of modified anion auxiliary agent.
The preparation method of the modified anion auxiliary agent comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 15g of hexadecene succinic anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting for 3.5h at 60 ℃, filtering after the reaction is finished, rinsing with alcohol for 5 times, and drying at 70 ℃ to obtain the modified tourmaline;
the infrared data are as follows: IR (KBr, cm)-1)：3451cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 1632cm-1: -C ═ C-is present.
(2) Adding 75g of vinyl acetate and 15g of vinyl caprylate into a three-neck flask, adding 10g of modified tourmaline, stirring, preheating to 70 ℃, adding 1.8g of AIBN, reacting for 2 hours, adding 50mL of DMF, reacting for 3 hours, adding 50mL of DMF, and finally reacting for 5 hours to obtain a modified tourmaline polymer structure, namely the modified negative ion assistant.
The infrared data are as follows: IR (KBr, cm)-1)：3452cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 2931cm-1：-CH3(ii) present; 1632cm-1: : -C ═ C — disappearance.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 175 deg.C, 180 deg.C, 185 deg.C, and 195 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
Example 6
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
3.5 parts of LF-S6001 calcium zinc stabilizer;
0.5 part of calcium stearate;
2 parts of PA-20 processing aid;
8 parts of CPE-135A impact modifier;
35 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/4);
15 parts of modified anion auxiliary agent.
The preparation method of the modified anion auxiliary agent comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 8g of methacrylic anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting for 2 hours at 40 ℃, filtering after the reaction is finished, rinsing with alcohol for 5 times, and drying at 70 ℃ to obtain modified tourmaline;
the infrared data are as follows: IR (KBr, cm)-1)：3447cm-1: -OH is present; 1253cm-1: B-O exists; 946cm-1: -Si-O-is present; 1750cm-1: -C ═ O is present; 1632cm-1: -C ═ C-is present.
(2) Adding 65g of vinyl acetate and 20g of vinyl caprylate into a three-neck flask, adding 15g of modified tourmaline, stirring, preheating to 70 ℃, adding 1.7g of AIBN, reacting for 2 hours, adding 50mL of DMF, reacting for 3 hours, adding 50mL of DMF, and finally reacting for 5 hours to obtain a modified tourmaline polymer structure, namely the modified negative ion assistant.
The infrared data are as follows: IR (KBr, cm)-1)：3450cm-1: -OH is present; 1253cm-1: B-O storageAt least one of the following steps; 947cm-1: -Si-O-is present; 1751cm-1: -C ═ O is present; 2931cm-1：-CH3(ii) present; 1632cm-1: : -C ═ C — disappearance.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 180 deg.C, 185 deg.C, and 195 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
Comparative examples 1-3 are all compared to the negative ion PVC flooring of specific example 1.
Comparative example 1
The PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
3 parts of LF-S6001 calcium zinc stabilizer;
0.3 part of white paraffin;
2 parts of PA-20 processing aid;
5 parts of ZB-50ACR impact modifier;
40 parts of activated light calcium carbonate (the light calcium carbonate and the stearic acid are treated according to the mass ratio of 100/3).
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier and activated light calcium carbonate, and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 175 deg.C, 180 deg.C, and 195 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, and cutting at fixed length under 600kPa to obtain PVC floor.
Comparative example 2
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
3 parts of LF-S6001 calcium zinc stabilizer;
0.3 part of white paraffin;
2 parts of PA-20 processing aid;
5 parts of ZB-50ACR impact modifier;
40 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/3);
1.4 parts of unmodified anion tourmaline powder.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and unmodified anion tourmaline powder and mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 175 deg.C, 180 deg.C, and 195 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
Comparative example 3
The negative ion PVC floor comprises the following raw materials in parts by weight:
PVC SG-5100 parts;
3 parts of LF-S6001 calcium zinc stabilizer;
0.3 part of white paraffin;
2 parts of PA-20 processing aid;
5 parts of ZB-50ACR impact modifier;
40 parts of activated light calcium carbonate (the light calcium carbonate and stearic acid are treated according to the mass ratio of 100/3);
1.4 parts of unmodified anion tourmaline powder;
the mass ratio of the vinyl acetate-vinyl caprylate-maleic anhydride copolymer is 70/20/418.6 parts.
A preparation method of a negative ion PVC floor comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate, unmodified anion tourmaline powder and a vinyl acetate-vinyl caprylate-maleic anhydride copolymer for mixing;
(2) adding the mixed materials into a double-screw extruder for extrusion, wherein the process parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperatures were 175 deg.C, 180 deg.C, and 195 deg.C, respectively. Vacuum forming under 0.06MPa vacuum pressure and 20 deg.C below, cooling with water temperature below 20 deg.C, drawing at 1m/min, cutting at fixed length under 600kPa to obtain the negative ion PVC floor.
The results of measuring the physical properties of the PVC flooring manufactured in the embodiments 1 to 6 of the present invention and the comparative examples 1 to 3 are shown in table 1.
Table 1 physical property test of each example
As can be seen from table 1, the negative ion PVC flooring of the present invention has a greater negative ion emission amount and formaldehyde removal ability than the conventional PVC flooring while maintaining excellent physical properties; the negative ion assistant has certain plasticity. The material can be expected to meet wide market prospect in the fields of building materials, indoor home decoration, environmental protection, antibiosis and the like.
The test method comprises the following steps:
(1) impact strength: measured according to GB/T1043-93.
(2) Tensile strength: measured according to GB/T1040-92 standard.
(3) Bending strength: measured according to GB/T9341-2008 standard.
(4) Plasticizing time: measured with reference to a torque rheometer.
(5) The release amount of negative ions is as follows: taking 10cm by 10cm of polymer sheet, then placing the polymer sheet in a closed box, calibrating and zeroing the instrument, selecting a proper range, placing the tester in the closed box, and taking an average value after measuring for three times.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The negative ion PVC floor is characterized by comprising the following raw materials in parts by weight:
PVC SG-5100 parts;
3-5 parts of a stabilizer;
0.3-1 part of a lubricant;
1-2 parts of a processing aid;
5-8 parts of an impact modifier;
30-40 parts of activated light calcium carbonate;
10-20 parts of modified anion auxiliary agent.
2. The negative ion PVC floor according to claim 1, wherein: the stabilizer is a calcium zinc stabilizer.
3. The negative ion PVC floor according to claim 1, wherein: the lubricant is selected from white paraffin, calcium stearate, stearic acid or mineral oil.
4. The negative ion PVC floor according to claim 1, wherein: the impact modifier is ACR or CPE.
5. The negative ion PVC floor according to claim 1, wherein: the activated light calcium carbonate is obtained by processing light calcium carbonate and stearic acid according to the mass ratio of 100/3-5.
6. The negative ion PVC floor according to claim 1, wherein: the preparation method of the modified anion auxiliary agent comprises the following steps:
(1) placing 10g of tourmaline powder and 30ml of DMF in a three-neck flask, stirring, dissolving 5-15g of carbon-carbon double bond-containing acid anhydride in 10ml of DMF, slowly dripping into the reaction system, reacting at 30-60 ℃ for 1.5-3.5h, filtering after the reaction is finished, leaching with alcohol for 5 times, and drying at 70 ℃ to obtain modified tourmaline;
(2) adding 60-80g of vinyl acetate and 10-20g of vinyl caprylate into a three-neck flask, adding 10-20g of modified tourmaline, stirring, preheating to 70 ℃, adding 2 wt% of AIBN, reacting for 2h, adding 50mL of DMF, reacting for 3h, adding 50mL of DMF, and finally reacting for 5h to obtain a modified tourmaline polymer structure, namely a modified negative ion assistant;
the dosage of the AIBN is the percentage of the total mass of the vinyl acetate and the vinyl caprylate.
7. The modified negative ion PVC floor as claimed in claim 6, wherein: the carbon-carbon double bond-containing anhydride is maleic anhydride, methacrylic anhydride or hexadecene succinic anhydride.
8. A preparation method of a negative ion PVC floor is characterized by comprising the following steps: comprises the following steps:
(1) weighing PVC, a stabilizer, a lubricant, a processing aid, an impact modifier, activated light calcium carbonate and a modified anion aid, and mixing;
(2) and adding the mixed materials into a double-screw extruder for extrusion, carrying out vacuum forming under the vacuum pressure of 0.06MPa and the temperature of below 20 ℃, cooling the materials at the temperature of below 20 ℃, drawing at the speed of 1m/min, and cutting at a fixed length under the air pressure of 600kPa to obtain the negative ion PVC floor.
9. The method for preparing the negative ion PVC floor as claimed in claim 8, wherein the method comprises the following steps: the technological parameters of the double-screw extruder are as follows: the rotating speed of the double screws is 35 r/min; the vacuum pressure is 0.9 MPa; the partition temperature is respectively 175-180 ℃, 180-185 ℃ and 190-195 ℃.
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| CN202010726750.2A CN111825931A (en) | 2020-07-25 | 2020-07-25 | Negative ion PVC floor and preparation method thereof |
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| CN202010726750.2A CN111825931A (en) | 2020-07-25 | 2020-07-25 | Negative ion PVC floor and preparation method thereof |
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Cited By (1)
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| CN114656728A (en) * | 2021-09-03 | 2022-06-24 | 浙江海利得薄膜新材料有限公司 | PVC film with function of improving indoor environment air quality and manufacturing process thereof |
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| CN104212193A (en) * | 2014-07-03 | 2014-12-17 | 刘洋 | Plastic floor releasing anions and preparation method |
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| CN114656728A (en) * | 2021-09-03 | 2022-06-24 | 浙江海利得薄膜新材料有限公司 | PVC film with function of improving indoor environment air quality and manufacturing process thereof |
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