CN109021459A - A kind of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board and preparation method thereof - Google Patents
A kind of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board and preparation method thereof Download PDFInfo
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- CN109021459A CN109021459A CN201810957875.9A CN201810957875A CN109021459A CN 109021459 A CN109021459 A CN 109021459A CN 201810957875 A CN201810957875 A CN 201810957875A CN 109021459 A CN109021459 A CN 109021459A
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- 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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/08—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/02—CO2-releasing, e.g. NaHCO3 and citric acid
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C08J2203/18—Binary blends of expanding agents
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- 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
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/06—Polyethene
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- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/26—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment
- C08J2423/30—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers modified by chemical after-treatment by oxidation
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- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
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- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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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
- C08K7/00—Use of ingredients characterised by shape
Abstract
The present invention provides a kind of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board, it includes PVC100 parts in parts by weight, 3~6 parts of heat stabilizer, 0.5~3.2 part of lubricant, 6~15 parts of processing aid, 0.5~2.5 part of foaming agent, 0.5~1.2 part of antibacterial mildew inhibitor, 5~50 parts of packing agent and 0.4~3 part of plasticizer, the antibacterial mildew inhibitor includes 12%~18% organic cation antibacterial functions group by weight, 2%~4% antibacterial metal and 78~85% lamellar clay, by being matched to above-mentioned raw materials, mixed at high speed, mixed on low speed, double screw extruder squeezes out, mold molding, cooling and shaping, antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board is prepared after cutting processing, its inorganic metal element is not variable in process Color, organic cation antibacterial functions group have good lipophilicity, the composite antimicrobial mould inhibitor are enable to be well dispersed in polyvinyl chloride matrix.The antibacterial mildew inhibitor has the broad-spectrum antimicrobial effect of high-efficient and lasting, and low toxicity is heat-resist, can create a security context for health care worker and sufferer.
Description
Technical field
The present invention relates to plastic plate and its techniques more particularly to a kind of antibacterial to give first aid to in-car decorations PVC low ratio foamed environmental protection board
And preparation method thereof.
Background technique
It is mainly all kinds of patients such as to transport all kinds of first-aid patients, including generate heat, infect during ambulance is daily, in rescue process
In, sufferer breathing or external wound with it may make to remain all kinds of pathogen, bacterium on ambulance trim panel, give medical care
Personnel, it is subsequent bring threat using the sufferer and external environment of ambulance, so ambulance trim panel usually require that with antibacterial,
The features such as mould proof, moisture-proof, elasticity is good, free from extraneous odour.Currently, domestic, mainly using having, ozonization, ultraviolet light are killed virus, bactericidal agent disappears
The modes such as poison carry out disinfection sterilization to ambulance inside, and when being sterilized using these types of method to ambulance, people cannot be in vehicle
Operation in compartment, and the sterilization that periodically carries out disinfection is needed, and use the trim panel with antibacterial environment protection function to be avoided that and sterilize twice
Sterilization process ambulance intussusception endophytic bacteria, it is ensured that the gnotobasis in ambulance reduces the frequency of disinfection and sterilization operation and rescues
Protect the operation cost of vehicle.
Summary of the invention
It is an object of that present invention to provide a kind of broad-spectrum antimicrobial effect with high-efficient and lasting, low toxicity is heat-resist and at low cost
Antibacterial give first aid to in-car decorations PVC low ratio foamed environmental protection board.
The present invention provides a kind of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board, and the antibacterial gives first aid to in-car decorations PVC
Low ratio foamed environmental protection board includes: in parts by weight
The antibacterial mildew inhibitor is composite antimicrobial mould inhibitor.
Preferably, the composite antimicrobial mould inhibitor includes organic cationic antimicrobial functional group, antibacterial metal and layer
Shape clay.
Preferably, the composite antimicrobial mould inhibitor includes 12%~18% organic cation antibacterial functions base by weight
Group, 2%~4% antibacterial metal and 78~85% lamellar clay.
Preferably, the antibacterial metal is the complex ion of silver or zinc, the organic cation antibacterial functions group
For quaternary ammonium cation functional group.
Preferably, the heat stabilizer is calcium zinc stabilizer.
Preferably, the lubricant includes 0.2~1 part of G60,0.2~1 part of stearic acid and 0.1~1.35 by weight
Part polyethylene wax.
Preferably, the processing aid is methyl methacrylate, and the plasticizer is 1.5-3 parts of ring in parts by weight
Oxygen soybean oil or 0.4-1 parts of oxidized polyethylene wax.
Preferably, the foaming agent be selected from azodicarbonamide, sodium bicarbonate or combinations thereof, wherein azodicarbonamide with
The weight ratio of sodium bicarbonate is 1:3~1:4.
The present invention provides a kind of preparation method of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board, is used to prepare institute
The antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board stated, comprising the following steps:
Step 1: PVC, heat stabilizer, lubricant, processing aid, foaming agent, compound is weighed by the parts by weight of constitutive material
Antibacterial mildew inhibitor and packing agent；
Step 2: putting the raw materials into high-speed mixing device, and 10~20min is stirred at a temperature of 90~120 DEG C, and stirring turns
Speed is 1600~2650r/min；
Step 3: by the raw material investment mixed on low speed device Jing Guo mixed at high speed, 10 are stirred at a temperature of 40~65 DEG C
~20min, speed of agitator are 1500~1100r/min；
Step 4: the raw material after stirring is squeezed out into plate-like fused materials by dual-screw-stem machine, the double screw extruder turns
Speed is 15~25r/min, and feeding revolving speed is 20~30r/min, and barrel temperature is 145~190 DEG C, mold temperature 155~180
DEG C, 130~180 DEG C of die lip temperature；
Step 5: it obtains the sizing cooling of plate fused materials to coagulate solid plate, using water-cooled shaping, water cooling temperature is
15~28 DEG C；
Step 6: the PVC low ratio foamed plate after cooling and shaping is involved by more rubber roller mode of traction again, hauling speed is
0.6~3m/min will coagulate solid plate and cut, and obtain the antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board.
Preferably, double screw extruder described in the step 4 along discharging direction be divided into an area, 2nd area, 3rd area,
4th area and 5th area, an area, 2nd area, 3rd area, 4th area and five area's temperature are 175 DEG C, and mold temperature is 170 DEG C；Step 5
Described in water cooling temperature be 18 DEG C, in step 6 hauling speed be 1.72m/min.
Antibacterial provided by the invention gives first aid to in-car decorations PVC low ratio foamed environmental protection board, as the inner decorative panel of ambulance, answers
Closing antibacterial mildew inhibitor includes antibacterial metal, organic cation antibacterial functions group and lamellar clay, combines inorganic antibacterial
The advantages of mould inhibitor and organic anti-bacterial mould inhibitor, inorganic metal element is not easy to change in process, and organic cation is anti-
Bacterium functional group has good lipophilicity, so that the composite antimicrobial mould inhibitor is well dispersed in polyvinyl chloride, makes
Antibacterial mildew inhibitor have high-efficient and lasting broad-spectrum antimicrobial effect, low toxicity it is heat-resist, carried out include aspergillus niger, shell chactomium globosum,
The anti-microbial property test of G virens, penicillium funiculosum and Aureobasidium pullulans can be avoided the growth of bacterium in ambulance, be medical matters
Staff and sufferer create a safer environment, and its heat stabilizer used has avoided for calcium zinc stabilizer
The use of evil metal ensure that the environmental-protecting performance of the antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board.It is provided by the invention
The preparation method of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board, it is ensured that antibacterial gives first aid to in-car decorations PVC low ratio foamed environmental protection
The shore hardness of plate, tensile strength, elongation at break, simple beam impact strength, bending strength, bending elastic modulus and hold screw
Power etc. guarantees that the index of mechanical performance meets the regulation of QB/T2463.2, guarantees the validity and rescue in-car decorations of antibacterial mildew inhibitor
Plate processing performance.
Specific embodiment
The embodiments described below are only a part of the embodiment of the present invention, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
The present invention provides a kind of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board, includes: in parts by weight
In specific process, each ingredient in formula can require to select according to following:
The antibacterial mildew inhibitor be composite antimicrobial mould inhibitor, the composite antimicrobial mould inhibitor include 12%~18% it is organic
Cationic antimicrobial functional group, 2%~4% antibacterial metal and 78~85% lamellar clay.
The antibacterial metal is the complex ion of silver or zinc, and the organic cation antibacterial functions group is quaternary ammonium sun
Ion functional group.
The heat stabilizer is calcium zinc stabilizer.
The lubricant includes 0.2~1 part of G60,0.2~1 part of stearic acid and 0.1~1.35 part of polyethylene by weight
Wax.
The processing aid is methyl methacrylate, and the plasticizer is 1.5-3 parts of epoxy soybean in parts by weight
Oil or 0.4-1 parts of oxidized polyethylene wax.
The foaming agent is selected from azodicarbonamide, sodium bicarbonate or combinations thereof, wherein azodicarbonamide and bicarbonate
The weight ratio of sodium is 1:3~1:4.
The preparation method of this antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board, comprising the following steps:
Step 1: PVC, heat stabilizer, lubricant, processing aid, foaming agent, compound is weighed by the parts by weight of constitutive material
Antibacterial mildew inhibitor and packing agent；
Step 2: putting the raw materials into high-speed mixing device, and 10~20min is stirred at a temperature of 90~120 DEG C, and stirring turns
Speed is 1600~2650r/min；
Step 3: by the raw material investment mixed on low speed device Jing Guo mixed at high speed, 10 are stirred at a temperature of 40~65 DEG C
~20min, speed of agitator are 1000~1500r/min；
Step 4: the raw material after stirring is squeezed out into plate-like fused materials by dual-screw-stem machine, the double screw extruder turns
Speed is 15~25r/min, and feeding revolving speed is 20~30r/min, and barrel temperature is 145~190 DEG C, mold temperature 155~180
DEG C, 130~180 DEG C of die lip temperature；
Step 5: it obtains the sizing cooling of plate fused materials to coagulate solid plate, using water-cooled shaping, water cooling temperature is
15~28 DEG C；
Step 6: the PVC low ratio foamed plate after cooling and shaping is involved by more rubber roller mode of traction again, hauling speed is
0.6~3m/min will coagulate solid plate and cut, and obtain the antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board.
Specific embodiment is as follows, embodiment one:
The present embodiment provides a kind of antibacterials to give first aid to in-car decorations PVC low ratio foamed environmental protection board, in parts by weight includes: 100
Part PVC, 5.6 parts of calcium zinc stabilizers, 1 part of G60,1 part of stearic acid, 1.35 parts of polyethylene waxes, 15 parts of methyl methacrylates, 0.6
Part azodicarbonamide, 1.8 parts of sodium bicarbonates, 1.2 parts of antibacterial mildew inhibitors, 5 parts of precipitated calcium carbonates and 2 parts of epoxidized soybean oils.Institute
Organic cation antibacterial functions group, 2% antibacterial metal and 81% stratiform that antibacterial mildew inhibitor includes 17% is stated to glue
Soil.
Ratio is put into high-speed mixing device after weighing raw material by weight, stirs 10min at a temperature of 120 DEG C, is stirred
Revolving speed is 1980r/min；By in the raw material investment mixed on low speed device Jing Guo mixed at high speed, 15min is stirred at a temperature of 60 DEG C,
Speed of agitator is 1100r/min；Raw material after stirring is squeezed out into plate-like fused materials, the twin-screw extrusion by dual-screw-stem machine
Machine revolving speed is 16r/min, and feeding revolving speed is 24r/min, and double screw extruder described in step 4 is divided into along discharging direction
One, two, three, four and five area, an area, 2nd area, 3rd area, 4th area and five area's temperature are 175 DEG C, and mold temperature is 170 DEG C；
It obtains the sizing cooling of plate fused materials to coagulate solid plate, specifically uses water-cooled shaping, water cooling temperature is 18 DEG C；Lead to again
Excessive rubber roller mode of traction involves the PVC low ratio foamed plate after cooling and shaping, hauling speed 1.72m/min, solid by coagulating
Plate is cut, and the antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board is obtained.
Antibacterial provided in this embodiment gives first aid to in-car decorations PVC low ratio foamed environmental protection board indices testing result such as 1 institute of table
Show:
Table 1: one antibacterial ambulance interior trim of embodiment PVC low ratio foamed environmental protection board indices testing result table
| Serial number | Inspection project | Unit | QB/T2463.2 | Inspection result |
| 1 | Density | Kg/m3 | ≤800 | 560 |
| 2 | Shore hardness (D) | —— | 55 | 63 |
| 3 | Tensile strength | Mpa | ≥10 | Longitudinal 15.94 lateral 10.44 |
| 4 | Elongation at break | % | ≥10 | Longitudinal 15.23 lateral 10.48 |
| 5 | Simple beam impact strength | KJ/m2 | ≥12 | Longitudinal 16.65 lateral 12.45 |
| 6 | Heated dimensions change rate | % | ±2 | Long -1.33；Wide -0.51；Thickness 1.4 |
| 7 | Water absorption rate | % | ≤1.0 | 0.75 |
| 8 | Bending strength | Mpa | ≥20 | Longitudinal 22.80 lateral 22.05 |
| 9 | Bending elastic modulus | Mpa | ≥600 | Longitudinal 930.21 lateral 917.6 |
| 10 | Supine human body | N | ≥800 | 944.36 edges of boards 931.04 of plate face |
| 11 | Anti-microbial property grade | —— | 0 grade | 0 grade |
Antibacterial rescue in-car decorations provided in this embodiment are adopted with PVC low ratio foamed environmental protection board as the inner decorative panel of ambulance
Composite antimicrobial mould inhibitor includes antibacterial metal, organic cation antibacterial functions group and lamellar clay, inorganic gold
It is not easy to change in process to belong to element, organic cation antibacterial functions group has good lipophilicity, makes described compound
Antibacterial mildew inhibitor can be well dispersed in polyvinyl chloride.Combine the excellent of inorganic antimicrobial mildew preventive agent and organic anti-bacterial mould inhibitor
Point makes antibacterial mildew inhibitor have the broad-spectrum antimicrobial effect of high-efficient and lasting, and low toxicity is heat-resist, has carried out including aspergillus niger, shell hair
Shell is mould, G virens, penicillium funiculosum and Aureobasidium pullulans anti-microbial property tests, anti-microbial property rating scale: 0 grade --- no
It is long；1 grade of --- mildew area is less than 10%, 2 grade --- fungus growth covering surface 20%-30%；3 grades --- fungus growth covering
Face 30% --- 60%；4 grades --- fungus growth covering surface is greater than 60%, and anti-microbial property index reaches 0 grade, does not occur above-mentioned
The growth of strain can guarantee for health care worker and one safer environment of creation of sufferer, preparation method
Various raw materials be evenly distributed in antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board in, and its shore hardness, tensile strength,
The index of the guarantee mechanical performance such as elongation at break, simple beam impact strength, bending strength, bending elastic modulus and supine human body
Also the regulation for all meeting QB/T2463.2 guarantees the validity and ambulance trim panel processing performance of antibacterial mildew inhibitor, in addition its
The heat stabilizer used avoids the use of poisonous metal for calcium zinc stabilizer, further ensures in the antibacterial ambulance
The decorations environmental-protecting performance of PVC low ratio foamed environmental protection board.
Embodiment two
The present embodiment provides a kind of antibacterials to give first aid to in-car decorations PVC low ratio foamed environmental protection board, in parts by weight includes: 100
Part PVC, 5.6 parts of calcium zinc stabilizers, 1 part of G60,1 part of stearic acid, 1.35 parts of polyethylene waxes, 15 parts of methyl methacrylates, 2.5
Part azodicarbonamide, 1.2 parts of antibacterial mildew inhibitors, 5 parts of precipitated calcium carbonates and 0.6 part of oxidized polyethylene wax.The antibacterial and mouldproof
Agent includes 12% organic cation antibacterial functions group, 3% antibacterial metal and 85% lamellar clay.
Ratio is put into high-speed mixing device after weighing raw material by weight, stirs 10min at a temperature of 120 DEG C, is stirred
Revolving speed is 1980r/min；By in the raw material investment mixed on low speed device Jing Guo mixed at high speed, 15min is stirred at a temperature of 60 DEG C,
Speed of agitator is 1100r/min；Raw material after stirring is squeezed out into plate-like fused materials, the twin-screw extrusion by dual-screw-stem machine
Machine revolving speed is 16r/min, and feeding revolving speed is 24r/min, and double screw extruder described in step 4 is divided into along discharging direction
One, two, three, four and five area, an area, 2nd area, 3rd area, 4th area and five area's temperature are 175 DEG C, and mold temperature is 170 DEG C；
It obtains the sizing cooling of plate fused materials to coagulate solid plate, specifically uses water-cooled shaping, water cooling temperature is 18 DEG C；Lead to again
Excessive rubber roller mode of traction involves the PVC low ratio foamed plate after cooling and shaping, hauling speed 1.72m/min, solid by coagulating
Plate is cut, and the antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board is obtained.
Embodiment three
The present embodiment provides a kind of antibacterials to give first aid to in-car decorations PVC low ratio foamed environmental protection board, in parts by weight includes: 100
Part PVC, 5.6 parts of calcium zinc stabilizers, 1 part of G60,1 part of stearic acid, 1.35 parts of polyethylene waxes, 15 parts of methyl methacrylates, 0.2
Part azodicarbonamide, 0.6 part of sodium bicarbonate, 1.2 parts of antibacterial mildew inhibitors, 5 parts of precipitated calcium carbonates and 2.5 parts of epoxidized soybean oils.
The antibacterial mildew inhibitor includes 18% organic cation antibacterial functions group, 4% antibacterial metal and 78% stratiform
Clay.
Ratio is put into high-speed mixing device after weighing raw material by weight, stirs 10min at a temperature of 120 DEG C, is stirred
Revolving speed is 1980r/min；By in the raw material investment mixed on low speed device Jing Guo mixed at high speed, 15min is stirred at a temperature of 60 DEG C,
Speed of agitator is 1100r/min；Raw material after stirring is squeezed out into plate-like fused materials, the twin-screw extrusion by dual-screw-stem machine
Machine revolving speed is 16r/min, and feeding revolving speed is 24r/min, and double screw extruder described in step 4 is divided into along discharging direction
One, two, three, four and five area, an area, 2nd area, 3rd area, 4th area and five area's temperature are 175 DEG C, and mold temperature is 170 DEG C；
It obtains the sizing cooling of plate fused materials to coagulate solid plate, specifically uses water-cooled shaping, water cooling temperature is 18 DEG C；Lead to again
Excessive rubber roller mode of traction involves the PVC low ratio foamed plate after cooling and shaping, hauling speed 1.72m/min, solid by coagulating
Plate is cut, and the antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board is obtained.
Embodiment two and embodiment three have carried out the test of anti-microbial property, and antibacterial gives first aid to in-car decorations PVC low ratio foamed environmental protection
The anti-microbial property of plate is 0 grade up to standard, can be avoided including aspergillus niger, shell chactomium globosum, G virens, penicillium funiculosum and the short stalk of budding
Mould growth can provide the environment of a safety for the health care worker and sufferer using ambulance, and in antibacterial ambulance
Decorations PVC low ratio foamed environmental protection board other mechanical performance index meet the regulation of QB/T2463.2.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore according to equivalent variations made by scope of the present invention patent, it is still within the scope of the present invention.
Claims (10)
1. a kind of antibacterial gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that the antibacterial gives first aid to in-car decorations PVC
Low ratio foamed environmental protection board includes: in parts by weight
The antibacterial mildew inhibitor is composite antimicrobial mould inhibitor.
2. a kind of antibacterial according to claim 1 gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that described
Composite antimicrobial mould inhibitor includes organic cationic antimicrobial functional group, antibacterial metal and lamellar clay.
3. a kind of antibacterial according to claim 2 gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that described
Composite antimicrobial mould inhibitor includes 12%~18% organic cation antibacterial functions group, 2%~4% antibacterial gold by weight
Belong to the lamellar clay of element and 78~85%.
4. a kind of antibacterial according to claim 3 gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that described
Antibacterial metal is the complex ion of silver or zinc, and the organic cation antibacterial functions group is quaternary ammonium cation function base
Group.
5. a kind of antibacterial according to claim 1 gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that described
Heat stabilizer is calcium zinc stabilizer.
6. a kind of antibacterial according to claim 1 gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that described
Lubricant includes 0.2~1 part of G60,0.2~1 part of stearic acid and 0.1~1.35 part of polyethylene wax by weight.
7. a kind of antibacterial according to claim 1 gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that described
Processing aid is methyl methacrylate, the plasticizer be in parts by weight 1.5-3 parts epoxidized soybean oil or 0.4-1 parts
Oxidized polyethylene wax.
8. a kind of antibacterial according to claim 1 gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that described
Foaming agent foam agent is selected from azodicarbonamide, sodium bicarbonate or combinations thereof, wherein the weight of azodicarbonamide and sodium bicarbonate
Amount is than being 1:3~1:4.
9. a kind of antibacterial gives first aid to the in-car decorations preparation method of PVC low ratio foamed environmental protection board, it is used to prepare such as claim 1~8
Antibacterial described in any one gives first aid to in-car decorations PVC low ratio foamed environmental protection board, which is characterized in that the antibacterial rescue in-car decorations are used
The preparation method of PVC low ratio foamed environmental protection board the following steps are included:
Step 1: PVC, heat stabilizer, lubricant, processing aid, foaming agent, composite antibacterial are weighed by the parts by weight of constitutive material
Mould inhibitor and packing agent；
Step 2: putting the raw materials into high-speed mixing device, and 10~20min is stirred at a temperature of 90~120 DEG C, and speed of agitator is
1600~2650r/min；
Step 3: by Jing Guo mixed at high speed raw material investment mixed on low speed device in, at a temperature of 40~65 DEG C stir 10~
20min, speed of agitator are 1000~1500r/min；
Step 4: the raw material after stirring is squeezed out into plate-like fused materials by dual-screw-stem machine, the double screw extruder revolving speed is
15~25r/min, feeding revolving speed be 20~30r/min, barrel temperature be 145~190 DEG C, 155~180 DEG C of mold temperature, mould
130~180 DEG C of lip temperature；
Step 5: obtaining the sizing cooling of plate fused materials to coagulate solid plate, using water-cooled shaping, water cooling temperature is 15~
28℃；
Step 6: involving the PVC low ratio foamed plate after cooling and shaping by more rubber roller mode of traction, and hauling speed is 0.6~3m/
Min will coagulate solid plate and cut, and obtain the antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board.
10. a kind of preparation method of antibacterial rescue in-car decorations PVC low ratio foamed environmental protection board according to claim 9,
It is characterized in that, double screw extruder described in the step 4 is divided into an area, 2nd area, 3rd area, 4th area along discharging direction
And 5th areas, an area, 2nd area, 3rd area, 4th area and five area's temperature are 175 DEG C, and mold temperature is 170 DEG C, the step 5
Described in water cooling temperature be 18 DEG C, in step 6 hauling speed be 1.72m/min.
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| CN112143134A (en) * | 2020-09-27 | 2020-12-29 | 新宏港塑业(广东)有限公司 | PVC co-extrusion antibacterial plate and preparation method thereof |
| CN114292475A (en) * | 2021-12-30 | 2022-04-08 | 深圳恒方大高分子材料科技有限公司 | Medical dual-ion PVC material with surface antibacterial function |
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Application publication date: 20181218 |