CN114656728A - PVC film with function of improving indoor environment air quality and manufacturing process thereof - Google Patents
PVC film with function of improving indoor environment air quality and manufacturing process thereof Download PDFInfo
- Publication number
- CN114656728A CN114656728A CN202111673755.4A CN202111673755A CN114656728A CN 114656728 A CN114656728 A CN 114656728A CN 202111673755 A CN202111673755 A CN 202111673755A CN 114656728 A CN114656728 A CN 114656728A
- Authority
- CN
- China
- Prior art keywords
- parts
- pvc film
- plasticizer
- air quality
- function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use 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; Derivatives of such polymers
- C08J2327/02—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K3/38—Boron-containing compounds
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a PVC film with the function of improving indoor environment air quality and a manufacturing process thereof, which comprises the following raw material components, by weight, 80-150 parts of resin powder, 0-70 parts of plasticizer, 0.5-10 parts of stabilizer and 0.5-40 parts of special mineral additive; the special mineral additive is a silicate mineral with pyroelectric effect and containing aluminum, iron, sodium, magnesium and lithium, or a raw material additive which is activated and treated by the silicate mineral with pyroelectric effect. The PVC film of the components and the manufacturing process are characterized in that special mineral additives are added into the components of the PVC formula, and the PVC film is processed into a novel PVC film material with the functions of generating negative oxygen ions, sterilizing, removing organic volatile matters such as formaldehyde, xylene and the like and improving the indoor environment air quality through a calendaring process, and is suitable for application in the field of indoor decorative materials such as wallpaper, ceiling, door panel and the like.
Description
Technical Field
The invention relates to a PVC film with the function of improving the indoor environment air quality and a manufacturing process thereof.
Background
PVC materials are widely used in industrial and civil life because of the flexible variety of formula design and processing and forming, and the high cost performance compared with most other plastics. In recent years, the surface materials of elements such as floors, wallpapers (wallboards), suspended ceilings, door boards, wardrobes, cabinets and the like related to the concepts such as 'full house customization' and 'whole house' lifted in the home decoration industry mostly use PVC film materials as main base materials to endow decorative materials with various patterns and grains, and replace a large amount of wood and stone decorative materials with vivid texture and effect. Under the prior art conditions, materials of an organic solvent system, such as printing ink for printing various designs and colors, a surface treatment agent for improving the scratch-resistant and stain-resistant performance of the surface, a bottom coating treatment agent for increasing the bonding force of the coating, a pressure-sensitive adhesive used for wallpaper and the like, are required to be used in the process of processing the PVC film into the decorative material, so that a small amount of organic volatile matters are always remained in the final decorative material product. Although aqueous systems have been vigorously developed and used to replace the original solvent-based systems, they are still immature and require a considerable period of time to overcome.
Disclosure of Invention
The invention provides a PVC film capable of improving the indoor environment air quality and a manufacturing process thereof, aiming at solving the problem that a small amount of organic volatile matters remain in the final decorative material product of the PVC film processed by the prior art all the time.
The technical scheme for solving the existing problems is as follows: a PVC film with the function of improving the indoor environmental air quality comprises the following raw material components, by weight, 80-150 parts of resin powder, 0-70 parts of plasticizer, 0.5-10 parts of stabilizer and 0.5-40 parts of special mineral additive; the special mineral additive is a silicate mineral with pyroelectric effect and containing aluminum, iron, sodium, magnesium and lithium, or a raw material additive which is activated and treated by the silicate mineral with pyroelectric effect.
As a further improvement, the paint also comprises 0-120 parts of other additives, wherein the other additives comprise pigments, fillers, flame retardants, gelling promoters, lubricants, slipping agents, antistatic agents, mildewproof antibacterial agents, anti-UV agents, antioxidants, odor removing agents, antifogging agents or/and toughening modifiers; the plasticizer comprises a plasticizer or/and an auxiliary plasticizer; the resin powder is PVC resin powder or/and chloroacetic acid resin powder; the special mineral additive is titanium dioxide subjected to special silicate mineral activation treatment; the stabilizer is a barium-zinc liquid stabilizer.
As a further improvement, the toughening modifier comprises CPE, NBR, TPU, MBS, ABS, ASA, EVA, ACR and liquid rubber; the plasticizer is DOP plasticizer.
As a further improvement, the other additive accounts for 4.5 parts.
As a further improvement, the composite material also comprises 1 to 4 parts by weight of epoxidized soybean oil or/and 24 to 38 parts by weight of calcium carbonate.
As a further improvement, 2-4 parts of epoxidized soybean oil or/and 30-38 parts of calcium carbonate.
As a further improvement, the resin powder comprises 90-110 parts of resin powder, 0-65 parts of plasticizer, 1.0-8 parts of stabilizer and 1-30 parts of special mineral additive.
As a further improvement, 95-105 parts of resin powder, 0-60 parts of plasticizer, 1.2-7 parts of stabilizer and 1-35 parts of special mineral additive.
The further improvement comprises 100 parts of resin powder, 31 parts of plasticizer, 5.1 parts of stabilizer and 12.8 parts of special mineral additive.
A manufacturing process of a PVC film is characterized in that the raw materials in any one scheme or any combination of any schemes are metered and then rolled, and the rolling process is as follows: a. Adding the metered formula materials into a high-speed stirrer, mixing and stirring for 300-500 seconds, and controlling the mixing termination temperature to be 100-. b. Discharging the materials after stirring to a low-speed cold stirrer, stirring and cooling to 80-100 ℃; then discharging the mixture into a planetary extruder to extrude preplasticizing, and controlling the temperature of the planetary extruder to be 160-190 ℃; and the material mixed by the high-speed stirrer is discharged into the internal mixer for preplasticizing when the internal mixer is configured. c. And (3) conveying the rubber material preplasticized by the planetary extruder or the internal mixer to a two-roller rolling wheel machine for open milling for further plasticization, and controlling the temperature of the rolling wheel machine to be 160-190 ℃. d. After further plasticizing, filtering impurities by a filtering extruder, and controlling the temperature of the filtering extruder to be 160-185 ℃. e. The rubber material is conveyed to a second two-roller rolling mill after passing through a filtering extruder to be continuously milled or directly enters a four-roller or five-roller or six-roller calender for calendering and molding, the temperature is controlled to be 165-plus 210 ℃, and the rubber material is subjected to drawing, embossing, cooling, edge cutting and rolling.
The PVC film of the components and the manufacturing process are characterized in that special mineral additives are added into the components of the PVC formula, and the PVC film is processed into a novel PVC film material with the functions of generating negative oxygen ions, sterilizing, removing organic volatile matters such as formaldehyde, xylene and the like and improving the indoor environment air quality through a calendaring process, and is suitable for application in the field of indoor decorative materials such as wallpaper, ceiling, door panel and the like.
The increase of the concentration of negative oxygen ions is about 2000 ions/s-cm3The degerming rate reaches 99 percent, and the clearance rate of formaldehyde, dimethylbenzene and total organic volatile matters is over 90 percent.
The experiment for eliminating indoor air pollution by the PVC film of the component of the invention is as follows.
First group
Eliminating indexes: microorganisms (total number of bacteria); formaldehyde, xylene, total organic volatiles TVOC.
Functional substances are as follows: the adhesive film is provided.
The test formulation: liquid, solid powder and an adhesive film (the adhesive film is prepared from the PVC film of the component of the invention; and the blank adhesive film is prepared from a common film formula).
According to the following: QB/T2591-2003 Standard
1. Eliminating microorganisms (total number of bacteria)
In principle, under the same natural environment, opening a sterile agar culture medium and exposing for 5 minutes, and comparing the number of bacterial colonies before and after the treatment of the antibacterial effect substance.
Method (1)
One room is selected from 6 to 10 square meters of clean rooms (preferably an isolation room of a laboratory), and 1 square meter of the film can be laid on a table top (or the ground). Laying a blank control adhesive film on the first day, respectively placing 2 sterile agar culture media at the central part of the blank control adhesive film after half an hour, exposing for 5 minutes, immediately culturing for 24 hours in 370C, and calculating the colony number- (A); after 1 square meter of the adhesive film is laid for half an hour on the next day, the procedure is followed to calculate the number of bacterial colonies- (B). This operation is continued three times to tabulate statistical results
Method (2)
According to the specification of the antibacterial test (the test dosage of the antibacterial liquid is set by self, and is recommended to be 1-5 ml, selected)
1.5% HQQ antibacterial test, 1ml, 2 ml (same operation)
Control liquid antibacterial test (same operation)
Attached: selecting functional substance (containing antibacterial liquid)
And (3) detection results: the initial total number of bacterial colonies 6137, the total number of bacterial colonies 51 after 24 hours of adding the adhesive film of the scheme, and the sterilization rate of 99 percent
2. Eliminating formaldehyde
The principle is as follows: formaldehyde in the air contacts with the adhesive film, and is quickly converted into carbon dioxide and water, so that the coating is completely harmless. According to QB/T2761-2006 method for determining purification effect of indoor air purification product
The method comprises the following steps:
(1) laboratory test
Firstly, selecting the optimal film-forming liquid
Film coating liquid% and time (hour) 10% 24620% 246
----------------------------------------------------------------
The dosage (ml) of the glue film liquid is 10 percent 11120 percent 111
Formaldehyde standard liquid (0.32 mg, ml) is respectively 1ml
Adding 23 ml of distilled water into 1ml of distilled water respectively
Adding each reagent according to formaldehyde phenylhydrazine colorimetric method
Results compared to 10% blank control gel film, no ability to remove formaldehyde.
20% of blank control adhesive film, no ability to remove formaldehyde.
② comparing the formaldehyde eliminating effect of 2 glue films and HQQ
Tap water with HQQ negative oxygen ion glue film as control glue film for test articles (each 1 ml)
Formaldehyde standard solution (ml) 1111
Distilled Water (ml) 23232323
Adding each reagent according to formaldehyde phenylhydrazine colorimetric method
Result is more than 10 percent of the adhesive film of the scheme, and the formaldehyde clearance rate is 96 percent
20 percent of the adhesive film has 99 percent of formaldehyde clearance rate
(2) In situ test
The method comprises the following steps:
selecting 2-3 newly decorated houses, preparing the detector, and operating according to the list
-----------------------------------------------------------
- -checkpoint (code number) 123456 notes
Raw Formaldehyde fruit/m flower bud of 10 open rice 150ml 0.32㎎/m³
20% of the film-forming liquid is sprayed by 10 square meters and 150ml
3 h later, performing double-row double- 0.05㎎/m³
(Formaldehyde detection)
Results compared with the formaldehyde clearance rate of 84 percent
3. Elimination of xylene
The method comprises the following steps: in the test chamber in which two identical containers are all planted at 1.5m, one is the film sample chamber, and the other is a blank control film sample chamber. The same xylene release sources are respectively placed into the two test cabins, the fans are started, the release sources and air in the test cabins are uniformly mixed, and the fans are closed after the release sources and the air in the test cabins tend to be balanced. And sampling and testing the concentration of the dimethylbenzene in the air in the test cabin to be an initial concentration. After 24 hours, the xylene concentration values in the air in the two test chambers are respectively sampled and measured. According to QB/T2761-2006 method for determining purification effect of indoor air purification product
And (3) detection data: blank contrast glue film sample cabin1.89 ㎎/m³. Plastic film sample cabin for use in case0.09㎎/m³。
As a result: xylene removal rate: 95 percent
4. Total organic volatiles (TVOC) detection
The method comprises the following steps: in the test chamber in which two identical containers are all planted at 1.5m, one is the film sample chamber, and the other is a blank control film sample chamber. The same TVOC release sources are respectively placed into the two test cabins, the fans are started, the release sources and the air in the cabins are uniformly mixed, and the fans are closed after the release sources and the air in the cabins tend to be balanced. And sampling the TVOC concentration in the air in the test chamber to be an initial concentration. After 24 hours, the TVOC concentration value in the air in the two test chambers is sampled and measured respectively. According to QB/T2761-2006 method for determining purification effect of indoor air purification product
8 hours of detection data: blank contrast glue film sample cabin6.21 ㎎/m³. Case glued membrane sample cabin0.53 ㎎/m³
As a result: the TVOC removal rate is 91 percent
5. Negative ion concentration detection
According to GB/T28628-2012' material induced air ion quantity test method
And (3) testing conditions are as follows: temperature 25 deg.C (C) relative humidity RH40%
Notes on the average negative oxygen ion amount (one/㏄) of each point of the project
Detecting point middle door left corner
410410 days 9 and 16 (before release)
23192351 days 9 and 20 (5 days of delivery)
15 day increment (average) 24672470
And (3) testing time: location of 6/9/2019-30/9: guilin medical college laboratory 2
The room area is 12 square meters. And (4) continuously sending negative ions, continuously and automatically recording and detecting for 9 hours, and taking an average value.
As a result: background negative ion concentration average value 410 ions/s-cm harvesting
Negative ion increment 2060 ions/s-cm high-yield fruit and fruit
Second group
Experimental method for removal rate of gaseous pollutants: xylene and TVOC
Date Received
The experimental method for the removal rate of the gaseous pollutants comprises the following steps:
1. conditions of the experiment
1) Ambient temperature: (50. + -. 2) deg.C
2) Ambient humidity: (50. + -. 10)% RH
2. Experimental equipment
Test chamber (1.5 m) for cultivating, intelligent constant-current atmospheric sampler and gas chromatograph
3. Test procedure
1) Preparation of the release source: 2 glass rods wrapped with 5 layers of gauze were placed upright in 2 500mL reagent bottles, respectively, and 200mL of contaminant xylene (0.4%), TVOC (0.06% benzene, 0.1% toluene, 0.4% xylene), respectively, were attached with labels A1, A2.
2) No sample was placed in the blank test chamber a, and then the 15m sample was suspended and placed in the test chamber B.
3) Release sources a1, a2 were placed in blank test chamber a and sample test chamber B, respectively, and the chamber doors were immediately closed.
4) And turning on fans of the cabin A and the cabin B respectively, stirring for 1min, and then turning off the fans.
5) After 24 hours of action, respectively carrying out sample collection test analysis on the A cabin and the B cabin, and respectively recording the concentrations as CAAnd CB。
4. Formula for calculation
Removal rate y (%) =
X 100 (CA is blank chamber concentration, CB is test concentration)
And (3) detection results:
the experimental method for the removal rate of the gaseous pollutants comprises the following steps: formaldehyde (I)
1. Conditions of the experiment
1) Ambient temperature: (25 +/-2) deg.C
2) Ambient humidity: (50. + -. 10)% RH
2. Experimental equipment
Test cabin (1.5 m) for carrying out thin film cultivation, intelligent constant-current atmosphere sampler and ultraviolet-visible spectrophotometer
3. Test procedure
1) Preparation of the release source: 2 glass rods wound with 5 layers of gauze were respectively placed vertically into 2 500ml reagent bottles, 200ml of formaldehyde (0.2%) as a contaminant were respectively put in the bottles, and labels A1 and A2 were attached.
2) Blank experimental chambers A1 and A2 were placed in blank experimental chamber A and sample experimental chamber B, respectively, and the doors were closed immediately.
3) The release sources a1 and a2 were placed in blank experiment chamber a and sample experiment chamber B, respectively, and the doors were immediately closed.
4) And turning on fans of the cabin A and the cabin B respectively, stirring for 1min, and then turning off the fans.
5) After 24 hours of action, respectively carrying out sample collection test analysis on the A cabin and the B cabin, and respectively recording the concentrations as CAAnd CB。
4. Formula for calculation
Removal rate y (%) =
X 100 (CA is blank chamber concentration, CB is test concentration)
The result of the detection
Antibacterial test (Staphylococcus aureus ATCC 6538)
And (3) detection results:
Test Results
| sample weaving Number (C) | When in use Workshop (h) | Test strains | Colonies on post-operative negative controls Number (CFU/sheet) | Colonies on post-operative blank Number (CFU/sheet) | Number of colonies on post-action test piece (CFU/sheet) | Antibacterial rate （%） |
| WJ20211 1821 | 24h | Golden yellow grape Coccus bacterium | 1.6×107 | 2.1×107 | 6.0×105 | 97 |
End of report/End of report
Air negative ion induction amount
Analyzing the detection result
Report number (Report No): 2021FM00381R01
| Number No. No | Detecting items | The result of the detection | Unit of |
| 1 | Air negative ion induction capacity | 3438 | Per/(s.cm)2） |
Detailed Description
Embodiment 1, a PVC film with the function of improving indoor environmental air quality, which comprises the following raw materials, by weight, 80-150 parts of resin powder, 0-70 parts of plasticizer, 0.5-10 parts of stabilizer and 0.5-40 parts of special mineral additive.
Embodiment 2, a PVC film having a function of improving indoor ambient air quality, comprising 80 parts of resin powder, 70 parts of plasticizer, 10 parts of stabilizer, 40 parts of special mineral additive.
Embodiment 3, a PVC film having a function of improving indoor ambient air quality, comprising the following raw material components, by weight, 150 parts of resin powder, 1 part of plasticizer, 0.5 part of stabilizer, and 0.5 part of special mineral additive.
Embodiment 4, a PVC film with a function of improving indoor environmental air quality, comprising the following raw material components, by weight, 110 parts of resin powder, 0 part of plasticizer, 1 part of stabilizer, 2 parts of special mineral additive.
Embodiment 5, a PVC film having a function of improving indoor ambient air quality, comprising the following raw material components, by weight, 100 parts of resin powder, 50 parts of plasticizer, 0.51 part of stabilizer, and 0.51 part of special mineral additive.
Embodiment 6, a PVC film with a function of improving indoor environmental air quality, comprising the following raw material components, by weight, 90 parts of resin powder, 30 parts of plasticizer, 5 parts of stabilizer, and 30 parts of special mineral additive.
Embodiment 7, a PVC film with function of improving indoor environmental air quality, comprising the following raw material components, by weight, 150 parts of resin powder, 31 parts of plasticizer, 5.1 parts of stabilizer, 20 parts of special mineral additive.
Embodiment 8, a PVC film with the function of improving indoor environmental air quality, which comprises the following raw materials, by weight, 90 parts of resin powder, 65 parts of a plasticizer, 8 parts of a stabilizer and 1 part of a special mineral additive.
Embodiment 9, a PVC film having a function of improving indoor ambient air quality, comprising 95 parts of resin powder, 60 parts of plasticizer, 1.2 parts of stabilizer, 35 parts of special mineral additive, by weight.
Embodiment 10, a PVC film with function of improving indoor environmental air quality, comprising the following raw material components, by weight, 105 parts of resin powder, 60 parts of plasticizer, 7 parts of stabilizer, and 40 parts of special mineral additive.
Embodiment 11, a PVC film with function of improving indoor environmental air quality, comprising the following raw material components, by weight, 90-110 parts of resin powder, 0-65 parts of plasticizer, 1.0-8 parts of stabilizer, and 1-30 parts of special mineral additive.
Embodiment 12, a PVC film with function of improving indoor environmental air quality, comprising the following raw material components, by weight, 95-105 parts of resin powder, 0-60 parts of plasticizer, 1.2-7 parts of stabilizer, 1-35 parts of special mineral additive.
Embodiment 13, a PVC film having a function of improving indoor ambient air quality, comprising the following raw material components, by weight, 100 parts of resin powder, 31 parts of plasticizer, 5.1 parts of stabilizer, 12.8 parts of special mineral additive.
Example 14, on the basis of any one of examples 1-13, also includes 0-120 parts of other additives. The other additives comprise pigments, fillers, flame retardants, gelling promoters, lubricants, slipping agents, antistatic agents, mildew-proof antibacterial agents, UV resistant agents, antioxidants, odor removing agents, antifogging agents or/and toughening modifiers;
example 15 further includes 120 parts of other additives based on any one of examples 1 to 13.
Example 16 further includes 100 parts of other additives based on any one of examples 1 to 13.
In embodiment 18, 80 parts of other additives are included on the basis of any one of embodiments 1 to 13.
Example 19 further includes 10 parts of other additives based on any one of examples 1 to 13.
Example 20 further includes 4.5 parts of other additives based on any one of examples 1 to 13.
Embodiment 21 further includes 120 parts of other additives based on any one of embodiments 1 to 13.
The embodiment 22 further comprises 1 to 4 parts by weight of epoxidized soybean oil or/and 24 to 38 parts by weight of calcium carbonate on the basis of any one of the embodiments 1 to 21.
The embodiment 23 further comprises 2 to 4 parts by weight of epoxidized soybean oil or/and 30 to 38 parts by weight of calcium carbonate on the basis of any one of the embodiments 1 to 21.
Example 24 further includes 2 parts by weight of epoxidized soybean oil or/and 38 parts by weight of calcium carbonate, based on any one of examples 1 to 21.
Example 25 further includes 4 parts by weight of epoxidized soybean oil or/and 30 parts by weight of calcium carbonate, based on any one of examples 1 to 21.
The embodiment 26 further comprises 2 to 4 parts by weight of epoxidized soybean oil or/and 30 to 38 parts by weight of calcium carbonate on the basis of any one of the embodiments 1 to 21.
In the above embodiments, the special mineral additive is a silicate mineral with pyroelectric effect and containing aluminum, iron, sodium, magnesium, and lithium, or a raw material additive activated by the silicate mineral with pyroelectric effect.
Embodiment 27, based on any one of embodiments 1 to 26, the special mineral additive is titanium dioxide which can be preferably subjected to activation treatment by a special silicate mineral; the stabilizer is preferably a barium-zinc liquid stabilizer.
In each of the above embodiments, the plasticizer includes a plasticizer or/and an auxiliary plasticizer; the resin powder is PVC resin powder or/and chloroacetic acid resin powder; the toughening modifier comprises CPE, NBR, TPU, MBS, ABS, ASA, EVA, ACR and liquid rubber; the plasticizer is DOP plasticizer. The liquid rubber includes liquid nitrile rubber, liquid polybutadiene rubber with functional groups, polyurethane liquid rubber and the like.
The invention also discloses a manufacturing process of the PVC film, which comprises the following steps of measuring the raw materials combined in any one of the embodiments and then calendering the raw materials: a. Adding the metered formula materials into a high-speed stirrer, mixing and stirring for 300-500 seconds, and controlling the mixing termination temperature to be 100-. b. Discharging the materials after stirring to a low-speed cold stirrer, stirring and cooling to 80-100 ℃; then discharging the mixture into a planetary extruder to extrude preplasticizing, and controlling the temperature of the planetary extruder to be 160-190 ℃; and the material mixed by the high-speed stirrer is discharged into the internal mixer for preplasticizing when the internal mixer is configured. c. And (3) conveying the rubber material preplasticized by the planetary extruder or the internal mixer to a two-roller rolling wheel machine for open milling for further plasticization, and controlling the temperature of the rolling wheel machine to be 160-190 ℃. d. After further plasticizing, filtering impurities by a filtering extruder, and controlling the temperature of the filtering extruder to be 160-185 ℃. e. The rubber material is conveyed to a second two-roller rolling mill after passing through a filtering extruder to be continuously milled or directly enters a four-roller or five-roller or six-roller calender for calendering and molding, the temperature is controlled to be 165-plus 210 ℃, and the rubber material is subjected to drawing, embossing, cooling, edge cutting and rolling.
Claims (10)
1. The utility model provides a PVC film with improve indoor ambient air quality function which characterized in that: comprises the following raw material components, by weight, 80-150 parts of resin powder, 0-70 parts of plasticizer, 0.5-10 parts of stabilizer and 0.5-40 parts of special mineral additive; the special mineral additive is a silicate mineral with pyroelectric effect and containing aluminum, iron, sodium, magnesium and lithium, or a raw material additive which is activated and treated by the silicate mineral with pyroelectric effect.
2. The PVC film having a function of improving the indoor ambient air quality according to claim 1, wherein: 0-120 parts of other additives, wherein the other additives comprise pigments, fillers, flame retardants, gelling accelerators, lubricants, slipping agents, antistatic agents, mildew-proof antibacterial agents, anti-UV agents, antioxidants, odor removing agents, antifogging agents or/and toughening modifiers; the plasticizer comprises a plasticizer or/and an auxiliary plasticizer; the resin powder is PVC resin powder or/and chloroacetic acid resin powder; the special mineral additive is titanium dioxide subjected to special silicate mineral activation treatment; the stabilizer is a barium-zinc liquid stabilizer.
3. The PVC film having a function of improving the indoor ambient air quality according to claim 1, wherein: the toughening modifier comprises CPE, NBR, TPU, MBS, ABS, ASA, EVA, ACR and liquid rubber; the plasticizer is DOP plasticizer.
4. The PVC film having the function of improving indoor ambient air quality according to claim 1, wherein: 4.5 parts of other additives.
5. The PVC film having a function of improving the indoor ambient air quality according to claim 1, wherein: also comprises 1 to 4 parts of epoxidized soybean oil or/and 24 to 38 parts of calcium carbonate.
6. The PVC film having a function of improving the quality of indoor ambient air according to claim 5, wherein: 2-4 parts of epoxidized soybean oil or/and 30-38 parts of calcium carbonate.
7. The PVC film having a function of improving the indoor ambient air quality according to claim 1, wherein: 90-110 parts of resin powder, 0-65 parts of plasticizer, 1.0-8 parts of stabilizer and 1-30 parts of special mineral additive.
8. The PVC film having a function of improving the indoor ambient air quality according to claim 1, wherein: 95-105 parts of resin powder, 0-60 parts of plasticizer, 1.2-7 parts of stabilizer and 1-35 parts of special mineral additive.
9. The PVC film having the function of improving indoor ambient air quality according to claim 1, wherein: 100 parts of resin powder, 31 parts of plasticizer, 5.1 parts of stabilizer and 12.8 parts of special mineral additive.
10. A manufacturing process of a PVC film is characterized by comprising the following steps: metering the raw materials according to any one of claims 1 to 9 and then calendering, wherein the calendering process is as follows;
a. adding the metered formula materials into a high-speed stirrer, mixing and stirring for 300-500 seconds, and controlling the mixing termination temperature to be 100-;
b. discharging the materials after stirring to a low-speed cold stirrer, stirring and cooling to 80-100 ℃; then discharging the mixture into a planetary extruder to extrude preplasticizing, and controlling the temperature of the planetary extruder to be 160-190 ℃; if an internal mixer is configured, discharging the materials mixed by the high-speed stirrer into the internal mixer for preplasticizing;
c. the rubber material is conveyed to a two-roller rolling wheel machine for open milling and further plasticizing after being pre-plasticized by a planetary extruder or an internal mixer, and the temperature of the rolling wheel machine is controlled to be 160-;
d. after further plasticizing, filtering impurities by a filtering extruder, and controlling the temperature of the filtering extruder to be 160-185 ℃;
e. the rubber material is conveyed to a second two-roller rolling mill after passing through a filtering extruder to be continuously milled or directly enters a four-roller or five-roller or six-roller calender for calendering and molding, the temperature is controlled to be 165-plus 210 ℃, and the rubber material is subjected to drawing, embossing, cooling, edge cutting and rolling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111033939 | 2021-09-03 | ||
| CN2021110339394 | 2021-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114656728A true CN114656728A (en) | 2022-06-24 |
Family
ID=82026667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111673755.4A Pending CN114656728A (en) | 2021-09-03 | 2021-12-31 | PVC film with function of improving indoor environment air quality and manufacturing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114656728A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289239A (en) * | 2013-06-21 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Insect-proof and antibacterial floor film |
| CN103923413A (en) * | 2014-04-11 | 2014-07-16 | 浙江铭龙塑胶有限公司 | PVC (Polyvinyl Chloride) film and production process thereof |
| CN107502077A (en) * | 2017-09-06 | 2017-12-22 | 浙江爱丽莎环保科技股份有限公司 | A kind of preparation method of pebble anion foam wallpaper, thickener used and thickener |
| CN111825931A (en) * | 2020-07-25 | 2020-10-27 | 李丹丹 | Negative ion PVC floor and preparation method thereof |
| WO2020248514A1 (en) * | 2019-06-10 | 2020-12-17 | 宁波先锋新材料股份有限公司 | Agricultural film and preparation method therefor |
-
2021
- 2021-12-31 CN CN202111673755.4A patent/CN114656728A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103289239A (en) * | 2013-06-21 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Insect-proof and antibacterial floor film |
| CN103923413A (en) * | 2014-04-11 | 2014-07-16 | 浙江铭龙塑胶有限公司 | PVC (Polyvinyl Chloride) film and production process thereof |
| CN107502077A (en) * | 2017-09-06 | 2017-12-22 | 浙江爱丽莎环保科技股份有限公司 | A kind of preparation method of pebble anion foam wallpaper, thickener used and thickener |
| WO2020248514A1 (en) * | 2019-06-10 | 2020-12-17 | 宁波先锋新材料股份有限公司 | Agricultural film and preparation method therefor |
| CN111825931A (en) * | 2020-07-25 | 2020-10-27 | 李丹丹 | Negative ion PVC floor and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 沈新元, 北京：中国纺织出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Abrusci et al. | Isolation and identification of bacteria and fungi from cinematographic films | |
| Bellotti et al. | The application of bioactive compounds from the food industry to control mold growth in indoor waterborne coatings | |
| CN101857846B (en) | Rhodococcus erythropolis and microbial strain and application thereof | |
| Torpy et al. | Reducing indoor air pollutants through biotechnology | |
| US20200181675A1 (en) | Method for screening antimicrobial agent | |
| Wilkins et al. | Patterns in volatile organic compounds in dust from moldy buildings | |
| Aina et al. | Isolation and identification of fungi associated with the deterioration of painted wall surfaces within Kaduna polytechnic | |
| CN110527367B (en) | Indoor visible light long-acting antibacterial water-based paint | |
| Altun et al. | Tailoring the microbial community for improving the biodegradation of chitosan films in composting environment | |
| CN101935622A (en) | Pseudomonas strain and application thereof | |
| CN112143665B (en) | Microbial agent for efficiently degrading formaldehyde and preparation method thereof | |
| CN114656728A (en) | PVC film with function of improving indoor environment air quality and manufacturing process thereof | |
| CN101805713B (en) | Corynebacterium sp strain and application thereof | |
| Shirakawa et al. | Susceptibility of phosphogypsum to fungal growth and the effect of various biocides | |
| CN103725082B (en) | The preparation method of multifunctional coating auxiliary agent, multifunctional coating and multifunctional coating | |
| KR101554027B1 (en) | Functional paint compositions | |
| CN110559822A (en) | air purifying agent | |
| CN111303745A (en) | Woodenware paint and preparation method thereof | |
| Parjo et al. | Indoor fungal treatment by using potassium sorbate as bio-resistance coating for different plasterboard wall finishings | |
| CN109535784A (en) | A kind of liquid shell powder interior wall paint and preparation method thereof | |
| D'Orazio et al. | Experimental evaluation of the growth rate of mould on finishes for indoor housing environments: Effects of the 2002/91/EC directive | |
| CN107022504A (en) | A kind of lactic acid bacteria acted on Degradation Formaldehyde and its application | |
| CN106635888B (en) | Brevibacillus parabrevis with high formaldehyde tolerance | |
| Parjo et al. | Coating bio-resistance test of different wall finishing for isolated indoor fungal treatment by using potassium sorbate biocide on wood | |
| Singh et al. | Screening of Natural Rubber Degradation by Fungi; Aspergillus and Phlebia Sp. and Bacteria Pseudomonas and Streptomyces sp. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |