CN105778355A - Low-density anti-impact modified polyvinyl chloride pipe and production process thereof - Google Patents
Low-density anti-impact modified polyvinyl chloride pipe and production process thereof Download PDFInfo
- Publication number
- CN105778355A CN105778355A CN201610310393.5A CN201610310393A CN105778355A CN 105778355 A CN105778355 A CN 105778355A CN 201610310393 A CN201610310393 A CN 201610310393A CN 105778355 A CN105778355 A CN 105778355A
- Authority
- CN
- China
- Prior art keywords
- parts
- polyvinyl chloride
- low
- modified polyvinyl
- tube material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 31
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 239000003381 stabilizer Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000003086 colorant Substances 0.000 claims abstract description 12
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 5
- 229920005989 resin Polymers 0.000 claims abstract description 5
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000004513 sizing Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 27
- 239000006057 Non-nutritive feed additive Substances 0.000 claims description 11
- 239000012745 toughening agent Substances 0.000 claims description 11
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 7
- 239000001993 wax Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 229920002521 macromolecule Polymers 0.000 claims description 4
- 239000012188 paraffin wax Substances 0.000 claims description 4
- -1 polychloroethylene Polymers 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 3
- 230000036760 body temperature Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 2
- 239000008116 calcium stearate Substances 0.000 claims description 2
- 235000013539 calcium stearate Nutrition 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- 229920000058 polyacrylate Polymers 0.000 claims description 2
- 235000019260 propionic acid Nutrition 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004605 External Lubricant Substances 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005406 washing 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
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- 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
-
- 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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/18—Spheres
- C08L2205/20—Hollow spheres
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a low-density anti-impact modified polyvinyl chloride pipe, which is produced from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.4 to 4.0 parts of stabilizer, 2 to 8 parts of flexibilizer, 2 to 8 parts of rigid particles, 0.5 to 3.0 parts of processing agent, 1.1 to 2.5 parts of lubricant, 0.05 to 0.5 parts of antioxidant, 0.03 to 3 parts of colorant and 0 to 5 parts of filling agent. A production process of the low-density anti-impact modified polyvinyl chloride pipe is as follows: all the components are uniformly mixed in a high-speed mixer, a pipe is extruded out by a double-main unit single-screw extruder after uniform mixing in the cold mixer, and after vacuum sizing and cooling formation, the pipe is cut according to fixed length and packaged. Because the flexibilizer and rigid particle synergistic toughening method is used by the anti-impact modified polyvinyl chloride pipe disclosed by the invention, the problem that rigidity-toughness balance of the PVC pipes is hard to realize is solved, and thereby the toughness of the pipe is notably increased while the pipe keeps the rigidity of hard PVC pipes.
Description
Technical field
The present invention relates to a kind of low-density impact-resistant modified polyvinyl chloride tube material and production technology thereof, belong to polrvinyl chloride (PVC) water-feeding pipes technical field.
Background technology
In water system, plastic pipe has not the features such as burn into sanitation performance is good, be easily installed, and obtains in China and widelys popularize, and substituting traditional galvanized iron conduit has been trend of the times.Plastic water pipe divides by material and specifically includes that PVC, polyethylene (PE), polypropylene (PP) etc., owing to PVC pipeline has the advantages such as intensity height, fire resistance is good, high ring rigidity, excellent weather resistance, price are relatively low compared with other polyolefin pipes, it is widely used.
PVC pipeline, is mainly manifested in: brittle break easily occurs in transportation, installation and use process the fact that poor toughness is well recognized as at low temperatures.Therefore, domestic, abroad in succession have developed high impact PVC pipe, main employing elastomer carries out toughness reinforcing, applying maximum is chlorinated polyethylene (CPE), adopt the method can improve the toughness of PVC, but the addition of CPE is relatively big, due to the netted toughening mechanism of CPE, fabrication process condition is harsher, and more difficult realize rigidity-toughness balanced.Although, this tubing obtains certain popularization, but the shock resistance of its (-10 DEG C) at low temperatures is still poor, and existing Pipes Density is high simultaneously, and pressure-resistant time is short, produces Chen Bengao.Accordingly, it would be desirable to adopt better method of modifying to improve the toughness of tubing, to meet its application in water-feeding pipes.
Summary of the invention
For above-mentioned prior art, the invention provides a kind of low-density impact-resistant modified polyvinyl chloride tube material, it has low-density, good toughness and low-temperature impact-resistant performance, and production cost is low simultaneously.
The present invention is achieved by the following technical solutions:
A kind of low-density impact-resistant modified polyvinyl chloride tube material, is made up of the component of following weight portion: Corvic 100 parts, stabilizer 0.4～4.0 part, toughener 2～8 parts, processing aid 0.5～3.0 part, lubricant 1.1～2.5 parts, 0.05～0.5 part of antioxidant, coloring agent 0.03～3 part, filler 0～5 part.
Preferably, it is made up of the component of following weight portion: Corvic 100 parts, stabilizer 0.4～1.0 part, toughener 3～5 parts, processing aid 0.5～1.5 part, lubricant 1.1～1.8 parts, in-lubricant 0.5～0.8 part, 0.05～0.1 part of antioxidant, coloring agent 0.03～0.1 part, filler 0～3 part.
Described stabilizer is organic tin stabilizer or/and calcium zinc stabilizer.
Described toughener is macromolecule tiny balloon.
Described rigid particles is inorganic rigid particle calcium carbonate or/and organic rigid-particle acrylonitritrile-styrene resin (AS).
Described processing aid is acrylic polymer, and such as ACR-201 is or/and ACR-401.
Described lubricant is any one in calcium stearate, stearic acid, paraffin, husky rope wax, Fischer-Tropsch wax, Tissuemat E or OPE or their mixture.
Described antioxidant is hindered phenolic antioxidant 2,6 di tert butyl 4 methyl phenol (BHT) or/and four-(4-hydroxyl-3,5-tert-butyl-phenyl propanoic acid) pentaerythritol esters (antioxidant 1010).
Described coloring agent is white carbon black or/and titanium dioxide.
Described filler is calcium carbonate.
A kind of preparation technology of low-density low-temperature impact resistance excellence polychloroethylene pipes, step is as follows:
A) weigh each raw material by formula ratio, by Corvic, stabilizer, toughener, rigid particles, processing aid, lubricant, antioxidant, coloring agent, filler at 90～120 DEG C of mix homogeneously, and keep more than 10 minutes in this temperature range；
B) said mixture is put into cold mixer is cooled to 25～45 DEG C, squeeze into dry feed bin；
C) by the compound conical double-screw extruding pipe material in dry feed bin, technological parameter selects as follows: body temperature: 140～185 DEG C, merging core temperature: 180～150 DEG C, head temperature: 170～220 DEG C；Engine speed: 10～90 revs/min, feeding rotating speed: 10～90 revs/min；
D) tubing extruded is through vacuum sizing, cooling molding；
E) fixed length cutting, enlarging, packaging.
The tubing of the present invention is compared with common PVC tubing, and significantly improving of mechanical property is mainly manifested in: low-temperature impact-resistant performance, and when the block stamp height of fall, breakage rate are identical, the weight of block stamp can 5～6 times；It is ductile failure when tubing is subject to quick washing, fracture-arrest after destruction.
The impact-resistant modified polyvinyl chloride tube material of the present invention employs the method for toughener and rigidity particle coordination plasticizing, solve the problem that restriction impact resistant PVC tubing is difficult to rigidity-toughness balanced, make tubing while keeping Rigid PVC Pipe rigidity, toughness significantly improves, formula adds processing aid and ensure that tubing has higher plasticizing rate, by regulating lubrication balance, it is good that the tubing obtained has mechanical property, the feature that product surface brightness is high.Additionally, preparation method proposed by the invention, identical with common PVC tubular object extruding technical process, technique is simple, owing to adopting rigid particles and elastomer coordination plasticizing, has the advantage that cost is low.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is expanded on further, it should be appreciated that these embodiments are merely to illustrate the present invention rather than restriction the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention lectures, the present invention can be made various changes or modifications by those skilled in the art, these equivalent form of values also fall within application appended claims limited range.
The present invention proposes a kind of impact-resistant modified polyvinyl chloride tube material and preparation technology thereof, and the material that it adopts has: Corvic, stabilizer, toughener, rigid particles, processing aid, external lubricant, in-lubricant, antioxidant, coloring agent, filler.
Described polyvinyl chloride resin is SG-5 type resin, and property indices requirement is: apparent density: >=0.4g/ml；Viscosity number: 107-118ml/g；Fugitive constituent :≤0.5%.
Described heat stabilizer refers to improve the auxiliary agent of PVC heat stability, and its effect is to place or suppress to deviate from hydrogen chloride in tubing production process, and the enough heat stability simultaneously kept in the use procedure of goods increase the service life.
Described antioxidant is Hinered phenols material, and its effect is to catch PVC to process the free radical being heated or being subject to ultraviolet effect formation in use procedure, it is ensured that the life-span of materials'use.
Aforementioned tubes also should add coloring agent, to meet the lighttight needs of tubing, goods also can be made attractive in appearance, improve weatherability.
The following is the embodiment of the concentration different ratio (weight portion) of the present invention, the consumption of each component by kilogram, as shown in table 1, table 2:
Table 1
| Implement 1 | Implement 2 | Implement 3 | |
| PVCSG-5 | 100 | 100 | 100 |
| Organic tin stabilizer | 0.4 | 0.8 | 1 |
| CPE | 3 | 4 | 4 |
| Macromolecule tiny balloon | 2 | 1 | 1 |
| Superfine nano calcium carbonate | 4 | 2 | 2 |
| ACR | 0.5 | 0.8 | 1.0 |
| Paraffin | 1.2 | 1.0 | 1.0 |
| PE wax | 1.2 | 1.0 | 1.0 |
| BHT | 0.08 | 0.1 | 0.15 |
| White carbon black | 0.03 | 0.03 | 0.03 |
Table 2
| Implement 4 | Implement 5 | Implement 6 | |
| PVCSG-5 | 100 | 100 | 100 |
| Calcium zinc stabilizer | 3.5 | 4.2 | 4 |
| CPE | 3 | 2 | 1 |
| Macromolecule tiny balloon | 2 | 1 | 1 |
| Superfine nano calcium carbonate | 4 | 2 | 2 |
| ACR | 0.5 | 0.8 | 1.0 |
| Paraffin | 1.2 | 1.0 | 1.0 |
| PE wax | 1.2 | 1.0 | 1.0 |
| 1010 | 0.08 | 0.1 | 0.15 |
| White carbon black | 0.03 | 0.03 | 0.03 |
The preparation technology of the impact-resistant modified polyvinyl chloride tube material of the present invention, is undertaken by following operation:
A) by weight, by Corvic, stabilizer, toughener, processing aid, external lubricant, in-lubricant, coloring agent, filler at 90～120 DEG C of mix homogeneously, and keep more than 10 minutes in this temperature range；
B) said mixture is put into cold mixer is cooled to 25～45 DEG C, squeeze into dry feed bin；
C) by the compound conical double-screw extruding pipe material in dry feed bin, technological parameter selects as follows: body temperature: 190～185 DEG C, merging core temperature: 170～155 DEG C, head temperature: 185～220 DEG C；Engine speed: 10～80 revs/min, feeding rotating speed: 10～40 revs/min；
D) tubing extruded is through vacuum sizing, cooling molding；
E) fixed length cutting, enlarging, packaging.
The impact-resistant modified polyvinyl chloride tube material prepared by the present invention, through country's chemistry building materials test Spot detection, meets the requirement of CJT_272-2008_ feedwater impact-resistant modified polyvinyl chloride (PVCM) tubing and pipe fitting standard.The impact-resistant modified polyvinyl chloride tube material performance representative value of the present invention is as shown in table 3.
Table 3 impact-resistant modified polyvinyl chloride tube material performance representative value
| Project | Technical specification | Testing result |
| 0 DEG C of falling weight impact test, TIR | ≤5% | 1% |
| Hydraulic test (20 DEG C, Zernike annular polynomial 38MPa, 1h) | Crack-free, ne-leakage | Crack-free, ne-leakage |
| Hydraulic test (20 DEG C, Zernike annular polynomial 30MPa, 100h) | Crack-free, ne-leakage | Crack-free, ne-leakage |
| Hydraulic test (60 DEG C, Zernike annular polynomial 10MPa, 1000h) | Crack-free, ne-leakage | Crack-free, ne-leakage |
| Vicat softening point | 80℃ | 82℃ |
| Longitudinal welds | ≤5% | 2% |
| Dichloromethane immersion test (15 DEG C, 30min) | Surface change is not inferior to 4N | Qualified |
Table 4 is-10 DEG C of low temperature impacts contrast (for φ 110 tubing) of tubing and existing high impact PVC pipe of the present invention.
Table 4 impact-resistant modified polyvinyl chloride tube material falling weight impact test condition (-10 DEG C)
Claims (10)
1. a low-density impact-resistant modified polyvinyl chloride tube material, it is characterised in that: it is made up of the component of following weight portion: Corvic 100 parts, stabilizer 0.4～4.0 part, toughener 2～8 parts, processing aid 0.5～3.0 part, lubricant 1.1～2.5 parts, 0.05～0.5 part of antioxidant, coloring agent 0.03～3 part, filler 0～5 part.
2. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterised in that: it is made up of the component of following weight portion: Corvic 100 parts, stabilizer 0.4～1.0 part, toughener 3～5 parts, processing aid 0.5～1.5 part, lubricant 1.1～1.8 parts, in-lubricant 0.5～0.8 part, 0.05～0.1 part of antioxidant, coloring agent 0.03～0.1 part, filler 0～3 part.
3. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterised in that: described stabilizer is organic tin stabilizer or/and calcium zinc stabilizer.
4. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterised in that: described toughener is macromolecule tiny balloon.
5. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterised in that: described rigid particles is inorganic rigid particle calcium carbonate or/and organic rigid-particle acrylonitritrile-styrene resin (AS).
6. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterised in that: described processing aid is acrylic polymer, and such as ACR-201 is or/and ACR-401.
7. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterised in that: described lubricant is any one in calcium stearate, stearic acid, paraffin, husky rope wax, Fischer-Tropsch wax, Tissuemat E or OPE or their mixture.
8. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterized in that: described antioxidant is hindered phenolic antioxidant 2,6-di-tert-butyl-4-methy phenol (BHT) is or/and four-(4-hydroxyl-3,5-tert-butyl-phenyl propanoic acid) pentaerythritol esters (antioxidant 1010).
9. a kind of low-density impact-resistant modified polyvinyl chloride tube material according to claim 1, it is characterised in that: described coloring agent is white carbon black or/and titanium dioxide.
10. the preparation technology of a low-density low-temperature impact resistance excellence polychloroethylene pipes, it is characterised in that: step is as follows:
A) weigh each raw material by formula ratio, by Corvic, stabilizer, toughener, rigid particles, processing aid, lubricant, antioxidant, coloring agent, filler at 90～120 DEG C of mix homogeneously, and keep more than 10 minutes in this temperature range；
B) said mixture is put into cold mixer is cooled to 25～45 DEG C, squeeze into dry feed bin；
C) by the compound conical double-screw extruding pipe material in dry feed bin, technological parameter selects as follows: body temperature: 140～185 DEG C, merging core temperature: 180～150 DEG C, head temperature: 170～220 DEG C；Engine speed: 10～90 revs/min, feeding rotating speed: 10～90 revs/min；
D) tubing extruded is through vacuum sizing, cooling molding；
E) fixed length cutting, enlarging, packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610310393.5A CN105778355A (en) | 2016-05-12 | 2016-05-12 | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610310393.5A CN105778355A (en) | 2016-05-12 | 2016-05-12 | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105778355A true CN105778355A (en) | 2016-07-20 |
Family
ID=56402136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610310393.5A Pending CN105778355A (en) | 2016-05-12 | 2016-05-12 | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105778355A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603056A (en) * | 2017-08-18 | 2018-01-19 | 广州宏信塑胶工业有限公司 | Hard PVC material composition and preparation method thereof, purposes |
| CN107857952A (en) * | 2017-11-20 | 2018-03-30 | 孙荣华 | High tenacity PVC formula |
| CN108250614A (en) * | 2017-12-29 | 2018-07-06 | 浙江中财管道衍生产品有限公司 | A kind of unleaded PVC-U fishery cultivatings water transferring line of toughening |
| CN115044148A (en) * | 2022-07-29 | 2022-09-13 | 山东东信塑胶科技有限公司 | Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1503823A (en) * | 2001-04-19 | 2004-06-09 | 钟渊化学工业株式会社 | thermoplastic resin composition |
| CN101451007A (en) * | 2007-11-29 | 2009-06-10 | 福建亚通新材料科技股份有限公司 | High impact polychloroethylene pressure tube |
| CN101775180A (en) * | 2009-12-29 | 2010-07-14 | 山东华信塑胶股份有限公司 | Impact-resistant modified polyvinyl chloride tube material and preparation process thereof |
-
2016
- 2016-05-12 CN CN201610310393.5A patent/CN105778355A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1503823A (en) * | 2001-04-19 | 2004-06-09 | 钟渊化学工业株式会社 | thermoplastic resin composition |
| CN101451007A (en) * | 2007-11-29 | 2009-06-10 | 福建亚通新材料科技股份有限公司 | High impact polychloroethylene pressure tube |
| CN101775180A (en) * | 2009-12-29 | 2010-07-14 | 山东华信塑胶股份有限公司 | Impact-resistant modified polyvinyl chloride tube material and preparation process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107603056A (en) * | 2017-08-18 | 2018-01-19 | 广州宏信塑胶工业有限公司 | Hard PVC material composition and preparation method thereof, purposes |
| CN107857952A (en) * | 2017-11-20 | 2018-03-30 | 孙荣华 | High tenacity PVC formula |
| CN108250614A (en) * | 2017-12-29 | 2018-07-06 | 浙江中财管道衍生产品有限公司 | A kind of unleaded PVC-U fishery cultivatings water transferring line of toughening |
| CN115044148A (en) * | 2022-07-29 | 2022-09-13 | 山东东信塑胶科技有限公司 | Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101775180B (en) | Impact-resistant modified polyvinyl chloride tube material and preparation process thereof | |
| CN100497468C (en) | High damping polyvinyl chloride material and method for preparing pipe | |
| CN108164816B (en) | Polypropylene/polyvinylidene fluoride blending modified material and preparation method thereof | |
| CN102993556A (en) | Polypropylene composition, and preparation method and application thereof | |
| CN101671464A (en) | Polyvinyl chloride transparent compound and tubular product thereof | |
| CN104893084B (en) | A kind of fibre reinforced polyethylene waterproof roll and preparation method | |
| CN111040277A (en) | Filling master batch for inner wall of high-strength polyethylene double-wall corrugated pipe and manufacturing method thereof | |
| CN105778355A (en) | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof | |
| CN104725717A (en) | Internal-pressure-resistant polypropylene pipe and preparation method thereof | |
| CN103360656A (en) | Regenerated polyethylene composition and preparation method thereof | |
| CN107033457A (en) | One kind enhancing modified polypropene binary wall twisting and pipe and preparation method thereof | |
| CN106589585A (en) | High strength polypropylene (PP-HM) double-wall corrugated pipe and production technology | |
| CN109456563A (en) | A kind of UHMWPE alloy compatibilization and toughening modified polypropene ripple pipe as special material and preparation method thereof | |
| CN104974394B (en) | Polyethylene resin composition and preparation method thereof | |
| CN109181046B (en) | Filling master batch special for PE corrugated pipe and preparation method thereof | |
| CN106832698A (en) | A kind of chlorinated polyvinyl chloride tubes composition and tubing preparation method | |
| CN106977803B (en) | A kind of double-wall corrugated pipe and preparation method thereof that inner wall is wear-resisting | |
| CN111040307A (en) | Polypropylene corrugated pipe composite material and preparation method of composite polypropylene corrugated pipe | |
| CN108047573B (en) | Special material for PPR (polypropylene random) pipe and preparation method thereof | |
| CN105348623A (en) | Polyethylene plum blossom pipe material | |
| CN106519372A (en) | Antistatic extruded HDPE tube raw material for coal mine and preparation method of antistatic extruded HDPE tube raw material | |
| CN111171473B (en) | Large-diameter PVC-U water supply accessory injection molding granules and preparation method thereof | |
| CN104788783B (en) | A kind of thin-wall high intensity internally-inlaid drip irrigation zone and its high-speed production method | |
| CN102898752B (en) | High-performance polyvinyl chloride alloy tube and preparation process thereof | |
| CN102241863A (en) | High-impact-resistance modified material containing recycled polystyrene material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160720 |