CN115044148A - Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply - Google Patents
Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply Download PDFInfo
- Publication number
- CN115044148A CN115044148A CN202210909856.5A CN202210909856A CN115044148A CN 115044148 A CN115044148 A CN 115044148A CN 202210909856 A CN202210909856 A CN 202210909856A CN 115044148 A CN115044148 A CN 115044148A
- Authority
- CN
- China
- Prior art keywords
- parts
- polyvinyl chloride
- water supply
- pipe
- formula
- 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
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 77
- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 title claims abstract description 31
- 238000009472 formulation Methods 0.000 title claims description 5
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000003381 stabilizer Substances 0.000 claims abstract description 28
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 27
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 27
- 239000003086 colorant Substances 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 23
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 239000012745 toughening agent Substances 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000000314 lubricant Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000002156 mixing Methods 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000005086 pumping Methods 0.000 claims abstract description 5
- 238000004513 sizing Methods 0.000 claims abstract description 5
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims abstract description 4
- -1 acrylic ester Chemical class 0.000 claims description 26
- 239000004698 Polyethylene Substances 0.000 claims description 17
- 229920000573 polyethylene Polymers 0.000 claims description 17
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 15
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 15
- 239000008116 calcium stearate Substances 0.000 claims description 15
- 235000013539 calcium stearate Nutrition 0.000 claims description 15
- 239000004209 oxidized polyethylene wax Substances 0.000 claims description 15
- 235000013873 oxidized polyethylene wax Nutrition 0.000 claims description 15
- 239000012188 paraffin wax Substances 0.000 claims description 15
- 239000001993 wax Substances 0.000 claims description 15
- 235000021355 Stearic acid Nutrition 0.000 claims description 13
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 13
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 13
- 239000008117 stearic acid Substances 0.000 claims description 13
- 229920001577 copolymer Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 7
- 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 claims description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 239000004610 Internal Lubricant Substances 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000036760 body temperature Effects 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- VJYZJQKMQMPAPJ-UHFFFAOYSA-N 2-(3-tert-butylphenyl)propanoic acid Chemical compound OC(=O)C(C)C1=CC=CC(C(C)(C)C)=C1 VJYZJQKMQMPAPJ-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 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
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical group [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 238000009863 impact test Methods 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
- 238000007792 addition Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 238000009434 installation 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
- 230000002195 synergetic effect Effects 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 239000003674 animal food additive Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000012760 heat stabilizer Substances 0.000 description 1
- 238000010438 heat treatment Methods 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
- 230000002401 inhibitory effect Effects 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
- 235000019809 paraffin wax Nutrition 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000035939 shock Effects 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
-
- 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
Abstract
The invention discloses a formula of an acrylate blended polyvinyl chloride (PVC) pipe for water supply and a preparation process thereof, belonging to the technical field of PVC (PVC) water supply pipes and being prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.4-4.0 parts of stabilizer, 2-8 parts of toughening agent, 2-8 parts of nano rigid material, 0.5-3.5 parts of acrylic resin, 1.1-2.5 parts of lubricant, 0.05-0.5 part of antioxidant and 0.03-3 parts of colorant; weighing all the raw materials, uniformly mixing at 90-120 ℃, and keeping the temperature within the temperature range for more than 10 minutes; putting the mixture into a cold mixer, cooling to 25-45 ℃, and pumping into a drying bin; extruding a pipe by using a conical double screw; the extruded pipe is subjected to vacuum sizing and cooling molding; cutting at fixed length, flaring and packaging; the remarkable improvement of the mechanical property is mainly shown in that: the impact resistance at low temperature is realized, and the weight of the impact hammer can be 5-6 times under the condition that the falling height and the breakage rate of the impact hammer are the same; the pipe is subjected to toughness damage when subjected to rapid impact, and the cracks are terminated after the damage.
Description
Technical Field
The invention belongs to the technical field of polyvinyl chloride (PVC) water supply pipes, and particularly relates to a formula and a preparation process of an acrylate blended polyvinyl chloride pipe for water supply.
Background
In a water supply system, plastic pipes have the characteristics of no corrosion, good sanitary performance, easy installation and the like, are greatly popularized in China, and have great tendency to replace the traditional galvanized iron pipes. The plastic water supply pipe mainly comprises the following materials: PVC, Polyethylene (PE), polypropylene (PP) and the like, and compared with other polyolefin cone pipelines, the PVC pipeline has the advantages of high strength, good flame retardant property, high ring stiffness, excellent weather resistance, lower price and the like, and is widely applied.
Poor toughness of PVC pipes at low temperatures is a recognized fact, mainly expressed in: brittle failure easily occurs during transportation, installation and use. Therefore, high-impact-resistance PVC pipes are developed in succession at home and abroad, elastomers are mainly adopted for toughening, Chlorinated Polyethylene (CPE) is mostly applied, the toughness of the PVC pipes can be improved by adopting the method, but the addition amount of the CPE is large, and the net-shaped toughening mechanism of the CPE is harsh on the processing process conditions and difficult to realize rigidity-toughness balance. Although this pipe has been spread to some extent, its impact resistance at low temperature (0 ℃ C.) is still poor. Therefore, better modification methods are needed to improve the toughness of the pipe so as to meet the application of the pipe in water supply.
Disclosure of Invention
Aiming at the prior art, the invention provides an acrylate blended polyvinyl chloride pipe for water supply, which has good toughness and low-temperature impact resistance.
The invention is realized by the following technical scheme: the formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.4-4.0 parts of stabilizer, 2-8 parts of toughening agent, 2-8 parts of nano rigid material, 0.5-3.5 parts of acrylic resin, 1.1-2.5 parts of lubricant, 0.05-0.5 part of antioxidant and 0.03-3 parts of colorant.
Preferably, the feed additive is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.4-1.0 part of stabilizer, 3-5 parts of toughening agent, 2-3 parts of nano rigid material, 0.5-3.5 parts of acrylic resin, 1.1-1.8 parts of lubricant, 0.5-0.8 part of internal lubricant, 0.05-0.1 part of antioxidant and 0.03-0.1 part of colorant.
Preferably, the stabilizer is an organic tin stabilizer or/and a calcium zinc stabilizer.
Preferably, the toughening agent is a methyl methacrylate-butadiene-styrene copolymer or/and chlorinated polyethylene.
Preferably, the nano rigid material is inorganic rigid particle calcium carbonate or/and organic rigid particle propylene wax-styrene copolymer.
Preferably, the acrylic resin is made of acrylic acid as a main material.
Preferably, the lubricant is any one of calcium stearate, stearic acid, paraffin wax, polyethylene wax or oxidized polyethylene wax or a mixture thereof.
Preferably, the antioxidant is a hindered phenol antioxidant 2, 6-di-tert-butyl-4-methylphenol (BHT) or/and pentaerythritol tetrakis- (4-hydroxy-3, 5-tert-butyl-phenylpropionate) (antioxidant 1010).
Preferably, the colorant is phthalocyanine blue or/and titanium dioxide.
Preferably, the preparation process of the acrylate blended polyvinyl chloride pipe for water supply comprises the following steps:
a) weighing the raw materials according to the formula ratio, uniformly mixing the polyvinyl chloride resin, the stabilizer, the toughening agent, the nano rigid material, the lubricant, the antioxidant, the colorant and the filler at 90-120 ℃, and keeping the mixture at the temperature range for more than 10 minutes;
b) putting the mixture into a cold mixer, cooling to 25-45 ℃, and pumping into a drying bin;
c) extruding the mixture in the drying bin out of the pipe by using a conical double-screw, wherein the process parameters are selected as follows: body temperature: 140-185 ℃, confluence core temperature: 180-150 ℃, head temperature: 170-220 ℃, main engine rotating speed: 10-90 rpm, feeding speed: 10-90 rpm;
d) the extruded pipe is subjected to vacuum sizing and cooling molding;
e) cutting at fixed length, flaring, and packaging.
Compared with the common PVC pipe, the pipe of the invention has the advantages that the mechanical property is remarkably improved as follows: the impact resistance at low temperature is realized, and the weight of the impact hammer can be 5-6 times under the condition that the falling height and the breakage rate of the impact hammer are the same; the pipe is subjected to toughness damage when subjected to rapid impact, and the cracks are terminated after the damage.
The acrylate blended polyvinyl chloride pipe for water supply uses the method of toughening the toughening agent, the nano rigid material and the acrylic resin in a synergistic manner, solves the problem that the impact-resistant PVC pipe is difficult to realize rigidity and toughness balance, enables the pipe to obviously improve the toughness while keeping the rigidity of the hard PVC pipe, ensures the pipe to have higher plasticizing degree by adding the toughening agent in the formula, and has the characteristics of good mechanical property and high surface brightness of the product by adjusting the lubrication balance. In addition, the preparation method provided by the invention has the advantages of simple process and low cost due to the adoption of the nano rigid material and the elastomer for synergistic toughening.
Through test detection, the density of the acrylate blended polyvinyl chloride pipe for water supply is 1.330g/cm3, the TIR is 0% measured in a drop hammer impact test under the condition of-10 ℃ and the hammer head radius of 12.5mm, no crack and no leakage are measured in a hydraulic test under the condition of 20 ℃ and the annular stress of 38MPa, the longitudinal retraction rate of the pipe is 2%, and no crack is measured in a flattening test.
Detailed Description
The invention is further illustrated by the following examples:
the invention provides an acrylic ester blended polyvinyl chloride pipe for water supply and a preparation process thereof, wherein the acrylic ester blended polyvinyl chloride pipe comprises the following materials: polyvinyl chloride resin, a stabilizer, a toughening agent, a nano rigid material, acrylic resin, an external lubricant, an internal lubricant, an antioxidant and a coloring agent.
The PVC resin is SG-5 type resin, and the requirements of various performance indexes are as follows: apparent density: n0.4g/ml; viscosity number: 107-118 ml/g; volatile components: w is 0.5 percent.
The heat stabilizer is an auxiliary agent capable of improving the thermal stability of PVC, and has the functions of preventing or inhibiting hydrogen chloride from being separated in the production process of the pipe, maintaining enough thermal stability in the use process of the product and prolonging the service life.
The antioxidant is hindered phenol substance, and has the function of capturing free radicals formed by heating or ultraviolet rays in the PVC processing or using process, so that the service life of the material is ensured.
The pipe should be added with coloring agent to meet the requirement of lighttightness of the pipe, and the product is beautiful and has improved weather resistance.
The following are examples of the invention in several different proportions (parts by weight), the amounts of the components being in kilograms:
example 1
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.0 part of stabilizer, 12 parts of chlorinated polyethylene, 2.0 parts of acrylic resin, 0.4 part of paraffin, 0.52 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.56 part of calcium stearate, 0.64 part of colorant and 0.08 part of antioxidant.
Example 2
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.8 parts of stabilizer, 12 parts of chlorinated polyethylene, 2.5 parts of acrylic resin, 0.4 part of paraffin, 1 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.564 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 3
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.2 parts of stabilizer, 8 parts of methyl methacrylate-butadiene-styrene copolymer, 3 parts of acrylic resin, 0.3 part of paraffin, 0.8 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.56 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 4
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.0 part of stabilizer, 5 parts of chlorinated polyethylene, 2 parts of acrylic resin, 1.5 parts of paraffin, 0.5 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.2 part of stearic acid, 0.56 part of calcium stearate, 0.64 part of colorant and 0.08 part of antioxidant.
Example 5
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.0 part of stabilizer, 6 parts of chlorinated polyethylene, 2 parts of acrylic resin, 2 parts of paraffin, 0.8 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.56 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 6
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.0 part of stabilizer, 5 parts of chlorinated polyethylene, 3 parts of acrylic resin, 0.5 part of paraffin, 0.8 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.56 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 7
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.2 parts of stabilizer, 6 parts of chlorinated polyethylene, 2 parts of methyl methacrylate-butadiene-styrene copolymer, 1.8 parts of acrylic resin, 0.3 part of paraffin, 0.8 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.56 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 8
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.0 part of stabilizer, 5 parts of chlorinated polyethylene, 4 parts of methyl methacrylate-butadiene-styrene copolymer, 2.0 parts of acrylic resin, 0.4 part of paraffin, 1 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.564 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 9
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.0 part of stabilizer, 4 parts of chlorinated polyethylene, 4 parts of methyl methacrylate-butadiene-styrene copolymer, 2.4 parts of acrylic resin, 0.3 part of paraffin, 1 part of polyethylene wax, 0.1 part of oxidized polyethylene wax, 0.4 part of stearic acid, 0.56 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 10
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.2 parts of stabilizer, 5 parts of methyl methacrylate-butadiene-styrene copolymer, 2.2 parts of acrylic resin, 0.3 part of paraffin, 0.8 part of polyethylene wax, 0.56 part of oxidized polyethylene wax, 0.4 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 11
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.5 parts of stabilizer, 6 parts of methyl methacrylate-butadiene-styrene copolymer, 2.6 parts of acrylic resin, 0.4 part of paraffin, 1 part of polyethylene wax, 0.564 part of oxidized polyethylene wax, 0.4 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
Example 12
The formula of the acrylate blended polyvinyl chloride pipe for water supply is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 1.8 parts of stabilizer, 1 part of chlorinated polyethylene, 8 parts of methyl methacrylate-butadiene-styrene copolymer, 2.8 parts of acrylic resin, 0.2 part of paraffin, 0.8 part of polyethylene wax, 0.64 part of oxidized polyethylene wax, 1 part of stearic acid, 0.4 part of calcium stearate, 0.64 part of colorant and 0.1 part of antioxidant.
The preparation process of the acrylate blended polyvinyl chloride pipe for water supply comprises the following steps:
a) uniformly mixing polyvinyl chloride resin, a stabilizer, a toughening agent, a nano rigid material, acrylic resin, an external lubricant, an internal lubricant, an antioxidant and a coloring agent at 90-120 ℃ in parts by weight, and keeping the mixture at the temperature range for more than 10 minutes;
b) putting the mixture into a cold mixer, cooling to 25-45 ℃, and pumping into a drying bin;
c) extruding the mixture in the drying bin out of the pipe by using a conical double-screw, wherein the process parameters are selected as follows: body temperature: 190 ℃ and 185 ℃, the temperature of the confluence core: 170 ℃ and 155 ℃, head temperature: 185 ℃ and 220 ℃; the rotating speed of the main machine is as follows: 10-80 rpm, feeding speed: 10-40 rpm;
d) the extruded pipe is subjected to vacuum sizing and cooling molding;
e) cutting at fixed length, flaring, and packaging.
Typical performance values of the acrylate blended polyvinyl chloride pipe material for water supply prepared by the invention are shown in table 1:
TABLE 1 typical values of performance of acrylate blended polyvinyl chloride pipes for water supply
According to the table 1, the density of the acrylate blended polyvinyl chloride pipe for water supply is 1.330g/cm3, the requirement of technical indexes is met, the TIR is 0% measured in a drop hammer impact test under the condition of-10 ℃ and the hammer head radius of 12.5mm, and the impact performance is obviously improved; no crack and no leakage are measured in a hydraulic test under the condition of 20 ℃ and the annular stress of 38MPa, the longitudinal retraction rate of the pipe is measured to be 2 percent, and no crack is measured in a flattening test.
Table 2 shows the low temperature impact resistance comparison of the inventive pipe (-10 ℃) with the existing PVC-UH pipe (-0 ℃) (taking the pipe 250 in mm as an example):
TABLE 2 drop hammer impact test conditions for acrylate blended polyvinyl chloride pipes for water supply
According to the table 2, the pipe obviously improves the shock resistance at low temperature, improves the toughness of the pipe, and greatly meets the daily application in the water supply pipe.
The foregoing is merely exemplary and illustrative of the present inventive concept and various modifications, additions and substitutions of similar embodiments may be made to the specific embodiments described by those skilled in the art without departing from the inventive concept or exceeding the scope of the claims as defined in the accompanying claims.
The invention discloses a formula of an acrylate blended polyvinyl chloride (PVC) pipe for water supply and a preparation process thereof, belonging to the technical field of PVC (PVC) water supply pipes and being prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.4-4.0 parts of stabilizer, 2-8 parts of toughening agent, 2-8 parts of nano rigid material, 0.5-3.5 parts of acrylic resin, 1.1-2.5 parts of lubricant, 0.05-0.5 part of antioxidant and 0.03-3 parts of colorant; weighing all the raw materials, uniformly mixing at 90-120 ℃, and keeping the temperature within the temperature range for more than 10 minutes; putting the mixture into a cold mixer, cooling to 25-45 ℃, and pumping into a drying bin; extruding a pipe by using a conical double screw; the extruded pipe is subjected to vacuum sizing and cooling molding; cutting at fixed length, flaring and packaging; the remarkable improvement of the mechanical property is mainly shown in that: the impact resistance at low temperature is realized, and the weight of the impact hammer can be 5-6 times under the condition that the falling height and the breakage rate of the impact hammer are the same; the pipe is subjected to toughness damage when subjected to rapid impact, and the cracks are terminated after the damage.
Claims (10)
1. The formula of the acrylate blended polyvinyl chloride pipe for water supply is characterized in that: the composition is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.4-4.0 parts of stabilizer, 2-8 parts of toughening agent, 2-8 parts of nano rigid material, 0.5-3.5 parts of acrylic resin, 1.1-2.5 parts of lubricant, 0.05-0.5 part of antioxidant and 0.03-3 parts of colorant.
2. The acrylate blended polyvinyl chloride pipe formulation for water supply according to claim 1, wherein: the composition is prepared from the following components in parts by weight: 100 parts of polyvinyl chloride resin, 0.4-1.0 part of stabilizer, 3-5 parts of flexibilizer, 2-3 parts of nano rigid material, 0.5-3.5 parts of acrylic resin, 1.1-1.8 parts of lubricant, 0.5-0.8 part of internal lubricant, 0.05-0.1 part of antioxidant and 0.03-0.1 part of colorant.
3. The acrylate blended polyvinyl chloride pipe formulation for water supply according to claim 1, wherein: the stabilizer is an organic tin stabilizer or/and a calcium zinc stabilizer.
4. The acrylic ester blended polyvinyl chloride pipe formula for water supply of claim 1, wherein: the toughening agent is a methyl methacrylate-butadiene-styrene copolymer or/and chlorinated polyethylene.
5. The acrylic ester blended polyvinyl chloride pipe formula for water supply of claim 1, wherein: the nano rigid material is inorganic rigid particle calcium carbonate or/and organic rigid particle propylene wax-styrene copolymer.
6. The acrylic ester blended polyvinyl chloride pipe formula for water supply of claim 1, wherein: the acrylic resin is prepared by taking acrylic acid as a main material.
7. The acrylic ester blended polyvinyl chloride pipe formula for water supply of claim 1, wherein: the lubricant is any one of calcium stearate, stearic acid, paraffin, polyethylene wax or oxidized polyethylene wax or a mixture of the calcium stearate, the stearic acid, the paraffin, the polyethylene wax and the oxidized polyethylene wax.
8. The acrylate blended polyvinyl chloride pipe formulation for water supply according to claim 1, wherein: the antioxidant is hindered phenol antioxidant 2, 6-di-tert-butyl-4-methylphenol (BHT) or/and tetra- (4-hydroxy-3, 5-tert-butyl phenylpropionic acid) pentaerythritol ester (antioxidant 1010).
9. The acrylic ester blended polyvinyl chloride pipe formula for water supply of claim 1, wherein: the colorant is phthalocyanine blue or/and titanium dioxide.
10. The process for preparing the acrylic ester blended polyvinyl chloride pipe material for water supply according to any one of claims 1 to 9, comprising the following steps:
a) weighing the raw materials according to the formula ratio, uniformly mixing the polyvinyl chloride resin, the stabilizer, the toughening agent, the nano rigid material, the lubricant, the antioxidant, the colorant and the filler at 90-120 ℃, and keeping the mixture at the temperature range for more than 10 minutes;
b) putting the mixture into a cold mixer, cooling to 25-45 ℃, and pumping into a drying bin;
c) extruding the mixture in the drying bin out of the pipe by using a conical double-screw, wherein the process parameters are as follows: body temperature: 140-185 ℃, confluence core temperature: 180-150 ℃, head temperature: 170-220 ℃, main engine rotating speed: 10-90 rpm, feeding speed: 10-90 rpm;
d) the extruded pipe is subjected to vacuum sizing and cooling molding;
e) cutting at fixed length, flaring, and packaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210909856.5A CN115044148A (en) | 2022-07-29 | 2022-07-29 | Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210909856.5A CN115044148A (en) | 2022-07-29 | 2022-07-29 | Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115044148A true CN115044148A (en) | 2022-09-13 |
Family
ID=83167372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210909856.5A Pending CN115044148A (en) | 2022-07-29 | 2022-07-29 | Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115044148A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105778355A (en) * | 2016-05-12 | 2016-07-20 | 临沂东立塑胶建材有限公司 | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof |
| US20180186990A1 (en) * | 2016-12-31 | 2018-07-05 | Yonggao Co., Ltd | Composite material for high-impact polyvinyl chloride reinforced pipe |
-
2022
- 2022-07-29 CN CN202210909856.5A patent/CN115044148A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105778355A (en) * | 2016-05-12 | 2016-07-20 | 临沂东立塑胶建材有限公司 | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof |
| US20180186990A1 (en) * | 2016-12-31 | 2018-07-05 | Yonggao Co., Ltd | Composite material for high-impact polyvinyl chloride reinforced pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101775180B (en) | Impact-resistant modified polyvinyl chloride tube material and preparation process thereof | |
| CN102863712B (en) | High shock resistant PVC tubular product and preparation method thereof | |
| CN101696754B (en) | Ultrahigh molecular weight polyethylene/polyvinyl chloride composite pipe and manufacture method thereof | |
| CN112063049B (en) | Cold-resistant polypropylene and preparation method thereof | |
| CN113861587A (en) | Special pipe for rainwater drainage of high-rise building and preparation method and application thereof | |
| CN107936384B (en) | High and low temperature resistant PPR pipe with aluminum metal effect | |
| CN110938268B (en) | High-wear-resistance PVC-C composite pipe and preparation method thereof | |
| CN101824180B (en) | High elasticity polyolefin hose with radiation crosslinking and preparation method thereof | |
| WO2022100025A1 (en) | Polyamide composition having high wear resistance and low temperature rise, preparation method therefor and application thereof | |
| CN110684257A (en) | Polyolefin composite material, preparation method and application thereof | |
| CN107778618A (en) | Antibacterial impact PE feed pipes and its production method | |
| CN105778355A (en) | Low-density anti-impact modified polyvinyl chloride pipe and production process thereof | |
| CN113429702B (en) | Corrosion-resistant water supply pipe and preparation method thereof | |
| CN115044148A (en) | Formula and preparation process of acrylate blended polyvinyl chloride pipe for water supply | |
| CN101696292B (en) | Special-purpose material of engineering plastic bearing inner core | |
| CN108047573B (en) | Special material for PPR (polypropylene random) pipe and preparation method thereof | |
| CN107880384B (en) | Reinforced and toughened polypropylene material and preparation method thereof | |
| CN102898752B (en) | High-performance polyvinyl chloride alloy tube and preparation process thereof | |
| CN102807696A (en) | Glass fiber-reinforced PE (Poly Ethylene) compound material and preparation method and application thereof | |
| CN110669340B (en) | PPSU/PTFE/TPEE wear-resistant high-impact-resistant resin composition and preparation method and application thereof | |
| CN106317669B (en) | A kind of PVC-M pipe composition and preparation method thereof | |
| CN111440398B (en) | Special material for ion-crosslinked polyvinyl chloride protection tube | |
| CN114573896A (en) | High-density polyethylene double-wall corrugated pipe and preparation method and application thereof | |
| CN103694535A (en) | Processing method of high density composite pipe | |
| CN112745615B (en) | PMMA/ASA material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220913 |