CN113881157A - Antibacterial PVC water supply pipe and preparation method thereof - Google Patents
Antibacterial PVC water supply pipe and preparation method thereof Download PDFInfo
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- CN113881157A CN113881157A CN202010625060.8A CN202010625060A CN113881157A CN 113881157 A CN113881157 A CN 113881157A CN 202010625060 A CN202010625060 A CN 202010625060A CN 113881157 A CN113881157 A CN 113881157A
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- supply pipe
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000004698 Polyethylene Substances 0.000 claims abstract description 15
- -1 polyethylene Polymers 0.000 claims abstract description 14
- 229920000573 polyethylene Polymers 0.000 claims abstract description 14
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000003583 soil stabilizing agent Substances 0.000 claims abstract description 9
- 150000001336 alkenes Chemical class 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 101100290347 Arabidopsis thaliana MBS2 gene Proteins 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 19
- 238000007493 shaping process Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 7
- 239000000178 monomer Substances 0.000 claims description 7
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 239000003381 stabilizer Substances 0.000 claims description 5
- 238000003723 Smelting Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000003242 anti bacterial agent Substances 0.000 claims description 2
- 230000003115 biocidal effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 230000003000 nontoxic effect Effects 0.000 abstract description 2
- 238000004886 process control Methods 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 7
- 230000006872 improvement Effects 0.000 description 5
- 239000003651 drinking water Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910052793 cadmium Inorganic materials 0.000 description 3
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 229910052753 mercury Inorganic materials 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0022—Combinations of extrusion moulding with other shaping operations combined with cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
-
- 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
- C08L2207/04—Thermoplastic elastomer
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an antibacterial PVC water supply pipe and a preparation method thereof, wherein the antibacterial PVC water supply pipe comprises 90-130 parts of PVC, 20-50 parts of TPE, 1-3 parts of alkene soil stabilizer, 0.5-1.5 parts of polyethylene wax, 0.5-6 parts of MBS2 and 0.5-1.5 parts of titanium dioxide, qualified products are obtained by mixing, extruding and sizing raw materials, and the antibacterial and nontoxic properties of a PVC pipeline are realized by the aspects of formula design and process control.
Description
Technical Field
The invention relates to the technical field of plastic products, in particular to an antibacterial PVC water supply pipe and a preparation method thereof.
Background
Since 80 s of the last century, PVC pipes are mass-produced and applied in China, are plastic pipes which are the most mature in production and technical application at present, and are applied to the field of water supply in a large scale, the PVC pipes have the advantages of high strength, low cost, chemical corrosion resistance, flame retardance and the like, the short-term and long-term compressive strength of PVC materials is higher than that of PE, PP, PB and the like at normal temperature, however, the PVC materials suffer from safety and sanitation for a long time in the development process, and GB/T1729-1998 safety evaluation standards of drinking water transportation and distribution equipment and protective materials for life is implemented in 10 months and 1 day of the year. The standard clearly stipulates that the lead content of the domestic drinking water delivery and distribution equipment and the protective material is less than 0.005mg/L, the content of Vinyl Chloride (VCM) monomer is less than 1.0mg/KG, then the Ministry of health in 2001 issues a domestic drinking water quality standard and a domestic drinking water delivery and distribution equipment and protective material safety evaluation standard, emphasizes that the vinyl chloride monomer is less than 1.0mg/Kg, and the lead content control standard is improved by 5 times.
Disclosure of Invention
The invention aims to provide an antibacterial PVC water supply pipe and a preparation method thereof, which realize the antibacterial and nontoxic performances of a PVC pipeline through the aspects of formula design and process control.
In order to achieve the purpose, the invention adopts the following technical scheme:
an antibiotic PVC feed pipe which is characterized in that: the paint comprises the following components of 90-130 parts of PVC, 20-50 parts of TPE, 1-3 parts of rare earth stabilizer, 0.5-1.5 parts of polyethylene wax, 0.5-6 parts of MBS2 and 0.5-1.5 parts of titanium dioxide.
As further improvement of the invention, the PVC composite material comprises 90 parts of PVC, 20 parts of TPE, 1 part of an olefinic soil stabilizer, 0.5 part of polyethylene wax, 2 parts of MBS and 0.5 part of titanium dioxide.
As a further improvement of the invention, the PVC material comprises 130 parts of PVC, 50 parts of TPE, 3 parts of an olefinic soil stabilizer, 1.5 parts of polyethylene wax, 6 parts of MBS and 1.5 parts of titanium dioxide.
As a further improvement of the invention, the PVC material comprises 110 parts of PVC, 40 parts of TPE, 2 parts of an olefinic soil stabilizer, 1 part of polyethylene wax, 4 parts of MBS and 1 part of titanium dioxide.
As a further improvement of the invention, the PVC monomer VCM residual amount is less than 5 mg/kg.
The preparation method of the antibacterial PVC water supply pipe is characterized by comprising the following steps:
1) and mixing raw materials: PVC, TPE, an olefin soil stabilizer, polyethylene wax, MBS and titanium dioxide are sequentially added into a high-speed mixer in proportion, the temperature is raised to 115-125 ℃, and then the material is cooled to 40-50 ℃ by a cold roller;
2) and extruding: adding the mixed raw materials into a double-screw extruder, compacting, smelting, mixing, homogenizing and then extruding, wherein the rotating speed of a main machine of the extruder is 22-26rpm, the torque of the main machine is 50%, the feeding rotating speed is 15-18rpm, the temperature of the main machine is set to be 180 +/-2 ℃ in a first section, 182 +/-2 ℃ in a second section, 178 +/-2 ℃ in a third section and 176 +/-2 ℃ in a fourth section;
3) and setting the pipe fitting: drawing the extruded pipeline to a vacuum shaping water tank for shaping and cooling, wherein the vacuum degree of the vacuum shaping water tank is 0.03 Mpa;
4) cutting and turning: and cutting the cooled pipeline according to a specified length, and turning and discharging the cut pipeline by using a turning frame to obtain the qualified pipeline.
As a further improvement of the invention, in the step 1), the cold roller machine cools the material to 40 ℃ and stores the material for 24 hours.
By controlling the formula and the process, the PVC pipeline meeting the national sanitary standard can be produced, other performances are further improved, and the aging resistance, the weather resistance and the strength are improved to a certain extent.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Selecting 90 parts of PVC, 20 parts of TPE, 1 part of rare earth stabilizer, 0.5 part of polyethylene wax, 2 parts of MBS and 0.5 part of titanium dioxide, adding the materials into a mixing machine, mixing and heating to 125 ℃, cooling to 50 ℃ through a cold roll machine, storing for 12 hours, adding the materials into an extruder, extruding, setting the rotating speed of a main engine of the extruder to be 24rpm, the torque of the main engine to be 50%, the feeding rotating speed to be 18rpm, setting the temperature of the main engine to be 180 +/-2 ℃ in a first section, 182 +/-2 ℃ in a second section, 178 +/-2 ℃ in a third section and 176 +/-2 ℃ in a fourth section, and carrying out vacuum shaping, cooling and cutting after extrusion to obtain the product.
The product in the embodiment 1 has a longitudinal retraction rate of 3.2 percent and a detection method of GB/T6671-2001; the density is 1.35 g/cm3, the Vicat softening point is 86 ℃, the content of vinyl chloride monomer is 0.081 mg/kg, and the extraction values of lead, tin, cadmium and mercury are all less than 0.01 m mg/l.
The product meets the national sanitary performance standard, and all indexes meet the design and construction requirements.
Example 2
Selecting 130 parts of PVC, 50 parts of TPE, 3 parts of rare earth stabilizer, 1.5 parts of polyethylene wax, 6 parts of MBS and 1.5 parts of titanium dioxide, adding the materials into a mixing machine, mixing and heating to 115 ℃, cooling to 45 ℃ through a cold roll machine, storing for 24 hours, adding the materials into an extruder, extruding, setting the rotating speed of a main machine of the extruder to be 22rpm, the torque of the main machine to be 50%, the feeding rotating speed to be 16rpm, setting the temperature of the main machine to be 180 +/-2 ℃ in a first section, 182 +/-2 ℃ in a second section, 178 +/-2 ℃ in a third section and 176 +/-2 ℃ in a fourth section, and carrying out vacuum shaping, cooling and cutting after extrusion to obtain the product.
The product in the embodiment 2 has a longitudinal retraction rate of 3.4 percent and a detection method of GB/T6671-2001; the density is 1.42 g/cm3, the Vicat softening point is 88 ℃, the content of vinyl chloride monomer is 0.076mg/kg, and the extraction values of lead, tin, cadmium and mercury are all less than 0.008 m mg/l.
The pipeline in the embodiment has excellent resilience performance, long service life and stronger pressure-resistant and explosion-proof functions, and meets the requirements of most occasions.
Example 3
Selecting 110 parts of PVC, 40 parts of TPE, 2 parts of rare earth stabilizer, 1 part of polyethylene wax, 4 parts of MBS and 1 part of titanium dioxide, sequentially adding the materials into a high-speed mixer in proportion, heating to 125 ℃, cooling the materials to 50 ℃ by a cold roll machine, adding the mixed raw materials into a double-screw extruder, compacting, smelting, mixing and homogenizing, extruding, setting the rotating speed of a main machine of the extruder to be 24rpm, the torque of the main machine to be 50%, the feeding rotating speed to be 18rpm, setting the temperature of the main machine to be 180 +/-2 ℃ in a first section, 182 +/-2 ℃ in a second section, 178 +/-2 ℃ in a third section and 176 +/-2 ℃ in a fourth section, drawing the extruded pipeline into a vacuum shaping water tank for shaping and cooling, setting the vacuum degree of the vacuum shaping water tank to be 0.03MPa, cutting the cooled pipeline according to a specified length, and turning and discharging the cut pipeline by using a turning frame to obtain a qualified pipeline.
The product in the embodiment 3 has a longitudinal retraction rate of 3.6 percent and a detection method of GB/T6671-2001; the density is 1.4 g/cm3, the Vicat softening point is 87 ℃, the content of vinyl chloride monomer is 0.065mg/kg, and the extraction values of lead, tin, cadmium and mercury are all less than 0.009 m mg/l.
The tensile strength of the pipe is 52MPa, the strength is more excellent than that of the common pipe, and the weather resistance and the ageing resistance are further improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An antibiotic PVC feed pipe which is characterized in that: the paint comprises the following components of 90-130 parts of PVC, 20-50 parts of TPE, 1-3 parts of rare earth stabilizer, 0.5-1.5 parts of polyethylene wax, 0.5-6 parts of MBS2 and 0.5-1.5 parts of titanium dioxide.
2. The antibacterial PVC water supply pipe according to claim 1, characterized in that: the PVC material comprises, by weight, 90 parts of PVC, 20 parts of TPE, 1 part of an olefin soil stabilizer, 0.5 part of polyethylene wax, 2 parts of MBS and 0.5 part of titanium dioxide.
3. The antibacterial PVC water supply pipe according to claim 1, characterized in that: 130 parts of PVC, 50 parts of TPE, 3 parts of an olefin soil stabilizer, 1.5 parts of polyethylene wax, 6 parts of MBS and 1.5 parts of titanium dioxide.
4. The antibacterial PVC water supply pipe according to claim 1, characterized in that: 110 parts of PVC, 40 parts of TPE, 2 parts of an olefin soil stabilizer, 1 part of polyethylene wax, 4 parts of MBS and 1 part of titanium dioxide.
5. The antibacterial PVC water supply pipe according to any one of claims 1 to 4, characterized in that: the residual quantity of the PVC monomer VCM is less than 5 mg/kg.
6. The preparation method of the antibacterial PVC water supply pipe is characterized by comprising the following steps:
1) and mixing raw materials: PVC, TPE, an olefin soil stabilizer, polyethylene wax, MBS and titanium dioxide are sequentially added into a high-speed mixer in proportion, the temperature is raised to 115-125 ℃, and then the material is cooled to 40-50 ℃ by a cold roller;
2) and extruding: adding the mixed raw materials into a double-screw extruder, compacting, smelting, mixing, homogenizing and then extruding, wherein the rotating speed of a main machine of the extruder is 22-26rpm, the torque of the main machine is 50%, the feeding rotating speed is 15-18rpm, the temperature of the main machine is set to be 180 +/-2 ℃ in a first section, 182 +/-2 ℃ in a second section, 178 +/-2 ℃ in a third section and 176 +/-2 ℃ in a fourth section;
3) and setting the pipe fitting: drawing the extruded pipeline to a vacuum shaping water tank for shaping and cooling, wherein the vacuum degree of the vacuum shaping water tank is 0.03 Mpa;
4) cutting and turning: and cutting the cooled pipeline according to a specified length, and turning and discharging the cut pipeline by using a turning frame to obtain the qualified pipeline.
7. The antibacterial PVC water supply pipe according to claim 6, characterized in that: and (3) cooling the material to 40 ℃ by using the cold roller in the step 1), and storing for 24 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625060.8A CN113881157A (en) | 2020-07-02 | 2020-07-02 | Antibacterial PVC water supply pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010625060.8A CN113881157A (en) | 2020-07-02 | 2020-07-02 | Antibacterial PVC water supply pipe and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113881157A true CN113881157A (en) | 2022-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010625060.8A Pending CN113881157A (en) | 2020-07-02 | 2020-07-02 | Antibacterial PVC water supply pipe and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060189731A1 (en) * | 2003-07-10 | 2006-08-24 | Stephane Girois | Stabilizing composition for chlorine-containing polymers |
| CN102863712A (en) * | 2011-07-06 | 2013-01-09 | 中国石油化工股份有限公司 | High shock resistant PVC tubular product and preparation method thereof |
| CN104710710A (en) * | 2015-03-23 | 2015-06-17 | 苏州市神龙门窗有限公司 | Environment-friendly PVC plastic door/window profile and preparation method thereof |
| CN105860337A (en) * | 2016-04-21 | 2016-08-17 | 安徽华宇管道制造有限公司 | Preparation method of rigid PVC (polyvinyl chloride) water supply pipe |
| CN107325428A (en) * | 2016-04-28 | 2017-11-07 | 浙江光通塑业有限公司 | A kind of PVC and preparation method thereof |
| CN108219326A (en) * | 2018-04-03 | 2018-06-29 | 马鞍山顾地塑胶有限公司 | A kind of high impact PVC pipe formula and preparation method thereof |
| CN109438873A (en) * | 2018-10-25 | 2019-03-08 | 福建亚通新材料科技股份有限公司 | A kind of impact-resistant modified polyvinyl chloride draining sewage pipe |
-
2020
- 2020-07-02 CN CN202010625060.8A patent/CN113881157A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060189731A1 (en) * | 2003-07-10 | 2006-08-24 | Stephane Girois | Stabilizing composition for chlorine-containing polymers |
| CN102863712A (en) * | 2011-07-06 | 2013-01-09 | 中国石油化工股份有限公司 | High shock resistant PVC tubular product and preparation method thereof |
| CN104710710A (en) * | 2015-03-23 | 2015-06-17 | 苏州市神龙门窗有限公司 | Environment-friendly PVC plastic door/window profile and preparation method thereof |
| CN105860337A (en) * | 2016-04-21 | 2016-08-17 | 安徽华宇管道制造有限公司 | Preparation method of rigid PVC (polyvinyl chloride) water supply pipe |
| CN107325428A (en) * | 2016-04-28 | 2017-11-07 | 浙江光通塑业有限公司 | A kind of PVC and preparation method thereof |
| CN108219326A (en) * | 2018-04-03 | 2018-06-29 | 马鞍山顾地塑胶有限公司 | A kind of high impact PVC pipe formula and preparation method thereof |
| CN109438873A (en) * | 2018-10-25 | 2019-03-08 | 福建亚通新材料科技股份有限公司 | A kind of impact-resistant modified polyvinyl chloride draining sewage pipe |
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