CN107163453A - A kind of PVC and preparation method thereof - Google Patents
A kind of PVC and preparation method thereof Download PDFInfo
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- CN107163453A CN107163453A CN201710593378.0A CN201710593378A CN107163453A CN 107163453 A CN107163453 A CN 107163453A CN 201710593378 A CN201710593378 A CN 201710593378A CN 107163453 A CN107163453 A CN 107163453A
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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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- 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
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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- Chemical Kinetics & Catalysis (AREA)
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- Polymers & Plastics (AREA)
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- Extrusion Moulding Of Plastics Or The Like (AREA)
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Abstract
The invention discloses a kind of PVC, include the raw material of following parts by weight：45~75 parts of polyvinyl chloride resin, 10~20 parts of ABS resin, 15~25 parts of PVC reworked material, 8~13 parts of clay, 3~6 parts of titanium dioxide, 1~3 part of hydroxyethyl methacrylate, 7~12 parts of polyacrylate, 6~12 parts of active nano-calcium carbonate, 2~4 parts of stabilizer, 8~15 parts of lubricant, 2~3 parts of antioxidant, 1~2 part of antifreeze, 2~3 parts of impact modifier.The pvc pipe hot property preferably, after the heating again to its plasticity when be not in shape random change, while anti-wear performance is good, reduce the abrasion of PVC, extend the service life of PVC.
Description
Technical field
The invention belongs to PVC technical field, and in particular to a kind of PVC and preparation method thereof.
Background technology
In daily production and living, the application of PVC is extremely wide, but traditional PVC is imitated at heat-resisting aspect
Really poor, so as to can cause when temperature is too high, its plasticity is very poor, it may appear that the phenomenon such as deformation so that give in process
Its plastic zone carrys out many inconvenience, so that many defect wares occur in actual production, it is heated and determined to needing
The manufacturer of type brings very big loss, so as to substantially increase production cost.
The content of the invention
The invention provides a kind of PVC and preparation method thereof, the pvc pipe hot property is preferably, right again after the heating
Be not in the random change of shape during its plasticity, while anti-wear performance is good, reduces the abrasion of PVC, extend pvc pipe
The service life of material.
In order to solve the problem of prior art is present, adopt the following technical scheme that：
A kind of PVC, includes the raw material of following parts by weight：45~75 parts of polyvinyl chloride resin, 10~20 parts of ABS resin, PVC
15~25 parts of reworked material, 8~13 parts of clay, 3~6 parts of titanium dioxide, 1~3 part of hydroxyethyl methacrylate, polyacrylate 7~
12 parts, 6~12 parts of active nano-calcium carbonate, 2~4 parts of stabilizer, 8~15 parts of lubricant, 2~3 parts of antioxidant, antifreeze 1
~2 parts, 2~3 parts of impact modifier.
It is preferred that, the PVC includes the raw material of following parts by weight：50~65 parts of polyvinyl chloride resin, ABS resin 13~17
Part, 18~22 parts of PVC reworked material, 9~12 parts of clay, 4~5 parts of titanium dioxide, 1.5~2.5 parts of hydroxyethyl methacrylate,
9~11 parts of polyacrylate, 8~10 parts of active nano-calcium carbonate, 2.7~3.4 parts of stabilizer, 11~14 parts of lubricant, antioxygen
2.3~2.7 parts of agent, 1.3~1.9 parts of antifreeze, 2.2~2.8 parts of impact modifier.
It is preferred that, the PVC includes the raw material of following parts by weight：59 parts of polyvinyl chloride resin, 15 parts of ABS resin, pvc pipe
20 parts of material reworked material, 11 parts of clay, 4.5 parts of titanium dioxide, 2 parts of hydroxyethyl methacrylate, 10 parts of polyacrylate, active nano
9 parts of calcium carbonate, 3.2 parts of stabilizer, 13 parts of lubricant, 2.6 parts of antioxidant, 1.8 parts of antifreeze, 2.5 parts of impact modifier.
It is preferred that, the active nano-calcium carbonate is made by following methods：Nano-calcium carbonate is added to sodium soap molten
In liquid, be passed through carbon dioxide regulation solution pH be 5~6, controlling reaction temperature be 100~110 DEG C, the reaction time be 25~
Obtained solid matter is dried, obtains the modified nano calcium carbonate by 35min, filtering.
It is preferred that, the impact modifier is haloflex, ethylene-vinyl acetate copolymer and acrylic nitrile-butadiene two
One or more in alkene-styrol copolymer.
It is preferred that, the lubricant is the one or more in stearic acid, paraffin and Tissuemat E.
It is preferred that, the PVC reworked material is made by following steps：
（1）Chopping, discards pipe to the PVC of recovery using shredding machine and shreds, be recycled material；
（2）Screening, the non-PVC being recycled after chopping in material is expected to remove；
（3）Grind, the PVC materials after screening are ground using grater, 2.7~3.3mm of diameter are obtained granular again
Raw material.
A kind of method for preparing the PVC, comprises the following steps：
（1）Polyvinyl chloride resin, ABS resin, PVC reworked material, clay, titanium dioxide, hydroxyethyl methacrylate second are weighed by above-mentioned formula
Ester, polyacrylate, active nano-calcium carbonate, stabilizer, lubricant, antioxidant, antifreeze, impact modifier, it is standby；
（2）Clay, titanium dioxide, active nano-calcium carbonate are respectively placed in drying machine and dried, is subsequently placed in grinder and grinds
Into powder, cross 200~300 mesh sieves, be well mixed, be placed in reactor, add hydroxyethyl methacrylate, polyacrylate and
Lubricant, is heated to 100~120 DEG C, stirs 25~35 minutes, obtains mixture A；
（3）By polyvinyl chloride resin, ABS resin, PVC reworked material and step（2）Obtained mixture A is put into homogenizer
It is well mixed, its barrel initial temperature is set as 105 DEG C and is begun to warm up, and when barrel mixture temperature reaches 120 DEG C, is added
Stabilizer, antioxidant, antifreeze and impact modifier, stirring mixing 10~20 minutes, are put into cold puddling in low speed mixer
Mix, when mixture temperature is down to 45 DEG C, discharging；
（4）Using double screw extruder to step（3）Tubular material is formed after gained compound extrusion molding, using cooling device to squeezing
The tubular material gone out carries out cooling and shaping；After the tubular material after cooling and shaping is pulled out using hauling machine, cutting is used
Machine carries out cutting section to tubular material, obtains PVC.
Compared with prior art, it has the advantages that the present invention：
PVC hot property of the present invention preferably, after the heating again to its plasticity when be not in shape random change,
Anti-wear performance is good simultaneously, reduces the abrasion of PVC, extends the service life of PVC, specific as follows：
（1）Polyvinyl chloride resin, ABS resin, clay and active nano-calcium carbonate are with the addition of in PVC raw material of the present invention,
Mutually acted synergistically between polyvinyl chloride resin, ABS resin, clay and active nano-calcium carbonate, the PVC prepared is wear-resisting significantly
Improve；
（2）Clay, titanium dioxide, active nano-calcium carbonate and stabilizer are with the addition of in PVC raw material of the present invention, is made pottery
Soil, titanium dioxide, active nano-calcium carbonate and stabilizer and polyvinyl chloride resin collective effect, significantly improve the heat resistance of polyvinyl chloride resin,
Improve the heat resistance of the PVC；
（3）PVC of the present invention also added PVC reworked material as raw material, and fully profit is useless, turns waste into wealth, and drop
Low production cost, and solve the problem of processing of waste PVC tubing is cumbersome, environmental protection.
Embodiment
With reference to specific embodiment, the present invention is expanded on further.These embodiments be merely to illustrate the present invention and without
In limitation the scope of the present invention.
Embodiment 1
The present embodiment is related to a kind of PVC, includes the raw material of following parts by weight：45 parts of polyvinyl chloride resin, 10 parts of ABS resin, PVC
15 parts of tubing reworked material, 8 parts of clay, 3 parts of titanium dioxide, 1 part of hydroxyethyl methacrylate, 7 parts of polyacrylate, active nano carbon
Sour 6 parts of calcium, 2 parts of stabilizer, 8 parts of lubricant, 2 parts of antioxidant, 1 part of antifreeze, 2 parts of impact modifier.
Wherein, the active nano-calcium carbonate is made by following methods：Nano-calcium carbonate is added to sodium soap solution
In, the pH for being passed through carbon dioxide regulation solution is 5~6, and controlling reaction temperature is 100 DEG C, and the reaction time is 25min, is filtered, will
Obtained solid matter drying, obtains the modified nano calcium carbonate.
Wherein, the impact modifier is haloflex.
Wherein, the lubricant is stearic acid.
Wherein, the PVC reworked material is made by following steps：
（1）Chopping, discards pipe to the PVC of recovery using shredding machine and shreds, be recycled material；
（2）Screening, the non-PVC being recycled after chopping in material is expected to remove；
（3）Grind, the PVC materials after screening are ground using grater, 2.7~3.3mm of diameter are obtained granular again
Raw material.
A kind of method for preparing the PVC, comprises the following steps：
（1）Polyvinyl chloride resin, ABS resin, PVC reworked material, clay, titanium dioxide, hydroxyethyl methacrylate second are weighed by above-mentioned formula
Ester, polyacrylate, active nano-calcium carbonate, stabilizer, lubricant, antioxidant, antifreeze, impact modifier, it is standby；
（2）Clay, titanium dioxide, active nano-calcium carbonate are respectively placed in drying machine and dried, is subsequently placed in grinder and grinds
Into powder, cross 200~300 mesh sieves, be well mixed, be placed in reactor, add hydroxyethyl methacrylate, polyacrylate and
Lubricant, is heated to 100~120 DEG C, stirs 25~35 minutes, obtains mixture A；
（3）By polyvinyl chloride resin, ABS resin, PVC reworked material and step（2）Obtained mixture A is put into homogenizer
It is well mixed, its barrel initial temperature is set as 105 DEG C and is begun to warm up, and when barrel mixture temperature reaches 120 DEG C, is added
Stabilizer, antioxidant, antifreeze and impact modifier, stirring mixing 10 minutes, are put into cold puddling in low speed mixer and mix, when
When mixture temperature is down to 45 DEG C, discharging；
（4）Using double screw extruder to step（3）Tubular material is formed after gained compound extrusion molding, using cooling device to squeezing
The tubular material gone out carries out cooling and shaping；After the tubular material after cooling and shaping is pulled out using hauling machine, cutting is used
Machine carries out cutting section to tubular material, obtains PVC.
Embodiment 2
The present embodiment is related to a kind of PVC, includes the raw material of following parts by weight：75 parts of polyvinyl chloride resin, 20 parts of ABS resin, PVC
25 parts of tubing reworked material, 13 parts of clay, 6 parts of titanium dioxide, 3 parts of hydroxyethyl methacrylate, 12 parts of polyacrylate, active nano
12 parts of calcium carbonate, 4 parts of stabilizer, 15 parts of lubricant, 3 parts of antioxidant, 2 parts of antifreeze, 3 parts of impact modifier.
Wherein, the active nano-calcium carbonate is made by following methods：Nano-calcium carbonate is added to sodium soap solution
In, the pH for being passed through carbon dioxide regulation solution is 5~6, and controlling reaction temperature is 110 DEG C, and the reaction time is 35min, is filtered, will
Obtained solid matter drying, obtains the modified nano calcium carbonate.
Wherein, the impact modifier is ethylene-vinyl acetate copolymer.
Wherein, the lubricant is paraffin.
Wherein, the PVC reworked material is made by following steps：
（1）Chopping, discards pipe to the PVC of recovery using shredding machine and shreds, be recycled material；
（2）Screening, the non-PVC being recycled after chopping in material is expected to remove；
（3）Grind, the PVC materials after screening are ground using grater, 2.7~3.3mm of diameter are obtained granular again
Raw material.
A kind of method for preparing the PVC, comprises the following steps：
（1）Polyvinyl chloride resin, ABS resin, PVC reworked material, clay, titanium dioxide, hydroxyethyl methacrylate second are weighed by above-mentioned formula
Ester, polyacrylate, active nano-calcium carbonate, stabilizer, lubricant, antioxidant, antifreeze, impact modifier, it is standby；
（2）Clay, titanium dioxide, active nano-calcium carbonate are respectively placed in drying machine and dried, is subsequently placed in grinder and grinds
Into powder, cross 200~300 mesh sieves, be well mixed, be placed in reactor, add hydroxyethyl methacrylate, polyacrylate and
Lubricant, is heated to 120 DEG C, stirs 35 minutes, obtains mixture A；
（3）By polyvinyl chloride resin, ABS resin, PVC reworked material and step（2）Obtained mixture A is put into homogenizer
It is well mixed, its barrel initial temperature is set as 105 DEG C and is begun to warm up, and when barrel mixture temperature reaches 120 DEG C, is added
Stabilizer, antioxidant, antifreeze and impact modifier, stirring mixing 20 minutes, are put into cold puddling in low speed mixer and mix, when
When mixture temperature is down to 45 DEG C, discharging；
（4）Using double screw extruder to step（3）Tubular material is formed after gained compound extrusion molding, using cooling device to squeezing
The tubular material gone out carries out cooling and shaping；After the tubular material after cooling and shaping is pulled out using hauling machine, cutting is used
Machine carries out cutting section to tubular material, obtains PVC.
Embodiment 3
The present embodiment is related to a kind of PVC, includes the raw material of following parts by weight：50 parts of polyvinyl chloride resin, 13 parts of ABS resin, PVC
18 parts of tubing reworked material, 9 parts of clay, 4 parts of titanium dioxide, 1.5 parts of hydroxyethyl methacrylate, 9 parts of polyacrylate, active nano
8 parts of calcium carbonate, 2.7 parts of stabilizer, 11 parts of lubricant, 2.3 parts of antioxidant, 1.3 parts of antifreeze, 2.2 parts of impact modifier.
Wherein, the active nano-calcium carbonate is made by following methods：Nano-calcium carbonate is added to sodium soap solution
In, the pH for being passed through carbon dioxide regulation solution is 5~6, and controlling reaction temperature is 103 DEG C, and the reaction time is 28min, is filtered, will
Obtained solid matter drying, obtains the modified nano calcium carbonate.
Wherein, the impact modifier is acrylonitrile-butadiene-styrene copolymer.
Wherein, the lubricant is in Tissuemat E.
Wherein, the PVC reworked material is made by following steps：
（1）Chopping, discards pipe to the PVC of recovery using shredding machine and shreds, be recycled material；
（2）Screening, the non-PVC being recycled after chopping in material is expected to remove；
（3）Grind, the PVC materials after screening are ground using grater, 2.7~3.3mm of diameter are obtained granular again
Raw material.
A kind of method for preparing the PVC, comprises the following steps：
（1）Polyvinyl chloride resin, ABS resin, PVC reworked material, clay, titanium dioxide, hydroxyethyl methacrylate second are weighed by above-mentioned formula
Ester, polyacrylate, active nano-calcium carbonate, stabilizer, lubricant, antioxidant, antifreeze, impact modifier, it is standby；
（2）Clay, titanium dioxide, active nano-calcium carbonate are respectively placed in drying machine and dried, is subsequently placed in grinder and grinds
Into powder, cross 200~300 mesh sieves, be well mixed, be placed in reactor, add hydroxyethyl methacrylate, polyacrylate and
Lubricant, is heated to 105 DEG C, stirs 28 minutes, obtains mixture A；
（3）By polyvinyl chloride resin, ABS resin, PVC reworked material and step（2）Obtained mixture A is put into homogenizer
It is well mixed, its barrel initial temperature is set as 105 DEG C and is begun to warm up, and when barrel mixture temperature reaches 120 DEG C, is added
Stabilizer, antioxidant, antifreeze and impact modifier, stirring mixing 12 minutes, are put into cold puddling in low speed mixer and mix, when
When mixture temperature is down to 45 DEG C, discharging；
（4）Using double screw extruder to step（3）Tubular material is formed after gained compound extrusion molding, using cooling device to squeezing
The tubular material gone out carries out cooling and shaping；After the tubular material after cooling and shaping is pulled out using hauling machine, cutting is used
Machine carries out cutting section to tubular material, obtains PVC.
Embodiment 4
The present embodiment is related to a kind of PVC, includes the raw material of following parts by weight：65 parts of polyvinyl chloride resin, 17 parts of ABS resin, PVC
22 parts of tubing reworked material, 12 parts of clay, 5 parts of titanium dioxide, 2.5 parts of hydroxyethyl methacrylate, 11 parts of polyacrylate, activity are received
10 parts of calcium carbonate of rice, 3.4 parts of stabilizer, 14 parts of lubricant, 2.7 parts of antioxidant, 1.9 parts of antifreeze, impact modifier 2.8
Part.
Wherein, the active nano-calcium carbonate is made by following methods：Nano-calcium carbonate is added to sodium soap solution
In, the pH for being passed through carbon dioxide regulation solution is 5~6, and controlling reaction temperature is 105 DEG C, and the reaction time is 30min, is filtered, will
Obtained solid matter drying, obtains the modified nano calcium carbonate.
Wherein, the impact modifier is haloflex, the mixture of ethylene-vinyl acetate copolymer.
Wherein, the lubricant is the mixture in stearic acid, paraffin and Tissuemat E.
Wherein, the PVC reworked material is made by following steps：
（1）Chopping, discards pipe to the PVC of recovery using shredding machine and shreds, be recycled material；
（2）Screening, the non-PVC being recycled after chopping in material is expected to remove；
（3）Grind, the PVC materials after screening are ground using grater, 2.7~3.3mm of diameter are obtained granular again
Raw material.
A kind of method for preparing the PVC, comprises the following steps：
（1）Polyvinyl chloride resin, ABS resin, PVC reworked material, clay, titanium dioxide, hydroxyethyl methacrylate second are weighed by above-mentioned formula
Ester, polyacrylate, active nano-calcium carbonate, stabilizer, lubricant, antioxidant, antifreeze, impact modifier, it is standby；
（2）Clay, titanium dioxide, active nano-calcium carbonate are respectively placed in drying machine and dried, is subsequently placed in grinder and grinds
Into powder, cross 200~300 mesh sieves, be well mixed, be placed in reactor, add hydroxyethyl methacrylate, polyacrylate and
Lubricant, is heated to 115 DEG C, stirs 32 clocks, obtains mixture A；
（3）By polyvinyl chloride resin, ABS resin, PVC reworked material and step（2）Obtained mixture A is put into homogenizer
It is well mixed, its barrel initial temperature is set as 105 DEG C and is begun to warm up, and when barrel mixture temperature reaches 120 DEG C, is added
Stabilizer, antioxidant, antifreeze and impact modifier, stirring mixing 17 minutes, are put into cold puddling in low speed mixer and mix, when
When mixture temperature is down to 45 DEG C, discharging；
（4）Using double screw extruder to step（3）Tubular material is formed after gained compound extrusion molding, using cooling device to squeezing
The tubular material gone out carries out cooling and shaping；After the tubular material after cooling and shaping is pulled out using hauling machine, cutting is used
Machine carries out cutting section to tubular material, obtains PVC.
Embodiment 5
The present embodiment is related to a kind of PVC, includes the raw material of following parts by weight：59 parts of polyvinyl chloride resin, 15 parts of ABS resin, PVC
20 parts of tubing reworked material, 11 parts of clay, 4.5 parts of titanium dioxide, 2 parts of hydroxyethyl methacrylate, 10 parts of polyacrylate, activity are received
9 parts of calcium carbonate of rice, 3.2 parts of stabilizer, 13 parts of lubricant, 2.6 parts of antioxidant, 1.8 parts of antifreeze, 2.5 parts of impact modifier.
Wherein, the active nano-calcium carbonate is made by following methods：Nano-calcium carbonate is added to sodium soap solution
In, the pH for being passed through carbon dioxide regulation solution is 5~6, and controlling reaction temperature is 108 DEG C, and the reaction time is 32min, is filtered, will
Obtained solid matter drying, obtains the modified nano calcium carbonate.
Wherein, the impact modifier be haloflex, ethylene-vinyl acetate copolymer and acrylonitrile-butadiene-
The mixture of styrol copolymer
Wherein, the lubricant is the mixture of paraffin and Tissuemat E.
Wherein, the PVC reworked material is made by following steps：
（1）Chopping, discards pipe to the PVC of recovery using shredding machine and shreds, be recycled material；
（2）Screening, the non-PVC being recycled after chopping in material is expected to remove；
（3）Grind, the PVC materials after screening are ground using grater, 2.7~3.3mm of diameter are obtained granular again
Raw material.
A kind of method for preparing the PVC, comprises the following steps：
（1）Polyvinyl chloride resin, ABS resin, PVC reworked material, clay, titanium dioxide, hydroxyethyl methacrylate second are weighed by above-mentioned formula
Ester, polyacrylate, active nano-calcium carbonate, stabilizer, lubricant, antioxidant, antifreeze, impact modifier, it is standby；
（2）Clay, titanium dioxide, active nano-calcium carbonate are respectively placed in drying machine and dried, is subsequently placed in grinder and grinds
Into powder, cross 200~300 mesh sieves, be well mixed, be placed in reactor, add hydroxyethyl methacrylate, polyacrylate and
Lubricant, is heated to 110 DEG C, stirs 30 minutes, obtains mixture A；
（3）By polyvinyl chloride resin, ABS resin, PVC reworked material and step（2）Obtained mixture A is put into homogenizer
It is well mixed, its barrel initial temperature is set as 105 DEG C and is begun to warm up, and when barrel mixture temperature reaches 120 DEG C, is added
Stabilizer, antioxidant, antifreeze and impact modifier, stirring mixing 15 minutes, are put into cold puddling in low speed mixer and mix, when
When mixture temperature is down to 45 DEG C, discharging；
（4）Using double screw extruder to step（3）Tubular material is formed after gained compound extrusion molding, using cooling device to squeezing
The tubular material gone out carries out cooling and shaping；After the tubular material after cooling and shaping is pulled out using hauling machine, cutting is used
Machine carries out cutting section to tubular material, obtains PVC.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of PVC, it is characterised in that include the raw material of following parts by weight：45~75 parts of polyvinyl chloride resin, ABS resin 10~
20 parts, it is 15~25 parts of PVC reworked material, 8~13 parts of clay, 3~6 parts of titanium dioxide, 1~3 part of hydroxyethyl methacrylate, poly-
7~12 parts of acrylate, 6~12 parts of active nano-calcium carbonate, 2~4 parts of stabilizer, 8~15 parts of lubricant, antioxidant 2~3
Part, 1~2 part of antifreeze, 2~3 parts of impact modifier.
2. PVC according to claim 1, it is characterised in that include the raw material of following parts by weight：Polyvinyl chloride resin 50~
65 parts, 13~17 parts of ABS resin, 18~22 parts of PVC reworked material, 9~12 parts of clay, 4~5 parts of titanium dioxide, metering system
Sour 1.5~2.5 parts of hydroxyl ethyl ester, 9~11 parts of polyacrylate, 8~10 parts of active nano-calcium carbonate, 2.7~3.4 parts of stabilizer,
11~14 parts of lubricant, 2.3~2.7 parts of antioxidant, 1.3~1.9 parts of antifreeze, 2.2~2.8 parts of impact modifier.
3. PVC according to claim 1, it is characterised in that include the raw material of following parts by weight：59 parts of polyvinyl chloride resin,
15 parts of ABS resin, 20 parts of PVC reworked material, 11 parts of clay, 4.5 parts of titanium dioxide, 2 parts of hydroxyethyl methacrylate, polypropylene
10 parts of acid esters, 9 parts of active nano-calcium carbonate, 3.2 parts of stabilizer, 13 parts of lubricant, 2.6 parts of antioxidant, 1.8 parts of antifreeze,
2.5 parts of impact modifier.
4. PVC according to claim 1, it is characterised in that the active nano-calcium carbonate is made by following methods：
Nano-calcium carbonate is added in sodium soap solution, the pH for being passed through carbon dioxide regulation solution is 5~6, controlling reaction temperature
For 100~110 DEG C, the reaction time is 25~35min, and obtained solid matter is dried, obtains the modified Nano carbon by filtering
Sour calcium.
5. PVC according to claim 1, it is characterised in that the impact modifier be haloflex, ethene-
One or more in acetate ethylene copolymer and acrylonitrile-butadiene-styrene copolymer.
6. PVC according to claim 1, it is characterised in that the lubricant is stearic acid, paraffin and Tissuemat E
In one or more.
7. PVC according to claim 1, it is characterised in that the PVC reworked material is made by following steps：
（1）Chopping, discards pipe to the PVC of recovery using shredding machine and shreds, be recycled material；
（2）Screening, the non-PVC being recycled after chopping in material is expected to remove；
（3）Grind, the PVC materials after screening are ground using grater, 2.7~3.3mm of diameter are obtained granular again
Raw material.
8. a kind of method for preparing any one of claim 1~7 PVC, it is characterised in that comprise the following steps：
（1）Polyvinyl chloride resin, ABS resin, PVC reworked material, clay, titanium dioxide, hydroxyethyl methacrylate second are weighed by above-mentioned formula
Ester, polyacrylate, active nano-calcium carbonate, stabilizer, lubricant, antioxidant, antifreeze, impact modifier, it is standby；
（2）Clay, titanium dioxide, active nano-calcium carbonate are respectively placed in drying machine and dried, is subsequently placed in grinder and grinds
Into powder, cross 200~300 mesh sieves, be well mixed, be placed in reactor, add hydroxyethyl methacrylate, polyacrylate and
Lubricant, is heated to 100~120 DEG C, stirs 25~35 minutes, obtains mixture A；
（3）By polyvinyl chloride resin, ABS resin, PVC reworked material and step（2）Obtained mixture A is put into homogenizer
It is well mixed, its barrel initial temperature is set as 105 DEG C and is begun to warm up, and when barrel mixture temperature reaches 120 DEG C, is added
Stabilizer, antioxidant, antifreeze and impact modifier, stirring mixing 10~20 minutes, are put into cold puddling in low speed mixer
Mix, when mixture temperature is down to 45 DEG C, discharging；
（4）Using double screw extruder to step（3）Tubular material is formed after gained compound extrusion molding, using cooling device to squeezing
The tubular material gone out carries out cooling and shaping；After the tubular material after cooling and shaping is pulled out using hauling machine, cutting is used
Machine carries out cutting section to tubular material, obtains PVC.
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