CN111925481A - Corrosion-resistant PE/PS alloy suitable for refrigerator liner and preparation method thereof - Google Patents
Corrosion-resistant PE/PS alloy suitable for refrigerator liner and preparation method thereof Download PDFInfo
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- CN111925481A CN111925481A CN202010857743.6A CN202010857743A CN111925481A CN 111925481 A CN111925481 A CN 111925481A CN 202010857743 A CN202010857743 A CN 202010857743A CN 111925481 A CN111925481 A CN 111925481A
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- 239000000956 alloy Substances 0.000 title claims abstract description 50
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 50
- 230000007797 corrosion Effects 0.000 title claims abstract description 44
- 238000005260 corrosion Methods 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 42
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 42
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 40
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 40
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 30
- -1 Polytetrafluoroethylene Polymers 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 19
- 229920005989 resin Polymers 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000013067 intermediate product Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 18
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000003112 inhibitor Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract description 10
- 238000002156 mixing Methods 0.000 abstract description 5
- 229920003023 plastic Polymers 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 abstract description 5
- 238000012986 modification Methods 0.000 abstract description 4
- 230000004048 modification Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 239000000725 suspension Substances 0.000 abstract description 2
- 239000004698 Polyethylene Substances 0.000 description 46
- 229920000573 polyethylene Polymers 0.000 description 46
- 239000004793 Polystyrene Substances 0.000 description 34
- 229920002223 polystyrene Polymers 0.000 description 33
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/18—Suspension polymerisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
- C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
Abstract
The invention relates to the technical field of PE/PS alloy corrosion resistance modification, and discloses a corrosion-resistant PE/PS alloy suitable for a refrigerator liner and a preparation method thereof, wherein the corrosion-resistant PE/PS alloy comprises the following raw materials in parts by weight: 10-20 parts of PE resin, 80-100 parts of styrene, 600-800 parts of deionized water, 1-3 parts of sodium dodecyl benzene sulfonate and 8-15 parts of an anticorrosive agent consisting of polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE); the PE/PS alloy with excellent corrosion resistance is prepared by respectively pre-irradiating PE resin, polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE) and performing suspension grafting on the PE resin, the polyether ether ketone (PEEK) and the PTFE and styrene, the Izod notch impact strength of the PE/PS alloy is 21.2-24.4J/m, the tensile strength of the PE/PS alloy is 31.1-32.8MPa, the corrosion resistance of the PE/PS alloy in sulfuric acid with the concentration of 90% at room temperature is excellent, and the excellent corrosion resistance is obtained, so that the problem that the alloy plastic formed by blending and modifying the PS and the PE at present is poor in corrosion resistance and is not suitable for manufacturing an inner container of a refrigerator is solved.
Description
Technical Field
The invention relates to the technical field of PE/PS alloy corrosion resistance modification, in particular to a corrosion-resistant PE/PS alloy suitable for a refrigerator liner and a preparation method thereof.
Background
In recent years, blending modification research of Polystyrene (PS) and Polyethylene (PE) is active, because the modification of PS by PE can increase toughness without significant loss of modulus, and simultaneously obtain better chemical resistance and environmental stress cracking resistance, and has little influence on the moldability and surface properties of PS. PS and PE are mixed, and the refrigerator lining material adapting to the novel foaming agent can be prepared, so that the phenomena of multiple silver stripes, softening, foaming and the like of the shock-resistant polystyrene resin refrigerator lining material under the action of the novel foaming agent HCFCs are avoided. However, the corrosion resistance of the alloy plastic formed by blending and modifying PS and PE is poor, so that the application of the alloy plastic in the refrigerator liner is severely limited by the defect.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a corrosion-resistant PE/PS alloy suitable for a refrigerator liner and a preparation method thereof, and aims to solve the problem that the existing alloy plastic formed by blending and modifying PS and PE is not suitable for manufacturing the refrigerator liner due to poor corrosion resistance.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme:
the corrosion-resistant PE/PS alloy suitable for the refrigerator liner comprises the following raw materials in parts by weight: 10-20 parts of PE resin, 80-100 parts of styrene, 600-800 parts of deionized water, 1-3 parts of sodium dodecyl benzene sulfonate and 8-15 parts of an anticorrosive agent consisting of polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE).
Preferably, the corrosion inhibitor comprises 5-10 parts of polyether ether ketone (PEEK) and 3-5 parts of Polytetrafluoroethylene (PTFE).
Preferably, the PE/PS alloy comprises the following raw materials in parts by weight: 10 parts of PE resin, 100 parts of styrene, 800 parts of deionized water, 1 part of sodium dodecyl benzene sulfonate, 8 parts of polyether ether ketone (PEEK) and 3 parts of Polytetrafluoroethylene (PTFE).
Preferably, the PE resin, the polyether ether ketone (PEEK) and the Polytetrafluoroethylene (PTFE) are all subjected to pre-irradiation treatment.
A preparation method of corrosion-resistant PE/PS alloy suitable for a refrigerator liner comprises the following steps:
the method comprises the following steps: adding 10-20 parts of pre-irradiation PE resin, 80-100 parts of styrene, 600-800 parts of deionized water, 1-3 parts of sodium dodecyl benzene sulfonate and 8-15 parts of pre-irradiation anticorrosive agent consisting of polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE) into a reaction bottle, heating and stirring, heating to 80-90 ℃ for reaction for 10 hours, and finishing the reaction to obtain an intermediate product I;
step two: washing and filtering the intermediate product, and drying the intermediate product in a vacuum oven at 60 ℃ to obtain an intermediate product II;
step three: and (3) extracting the intermediate product by using a Soxhlet extractor, adding 300mL of tetrahydrofuran, heating in a water bath, extracting for 48 hours, taking out, and drying in a vacuum oven at 60 ℃ to obtain the corrosion-resistant PE/PS alloy.
Preferably, the first step: the materials are put in a reaction bottle, heated to 80 ℃ firstly, kept for 4 hours, and then heated to 90 ℃ for reaction for 6 hours.
Preferably, the second step: and drying the intermediate product in a vacuum oven at 60 ℃ for 24 hours.
Preferably, the third step: and drying the intermediate product in a vacuum oven at 60 ℃ for 48 hours.
(III) advantageous technical effects
Compared with the prior art, the invention has the following beneficial technical effects:
the PE/PS alloy with excellent corrosion resistance is prepared by respectively pre-irradiating PE resin, polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE) and performing suspension grafting on the PE resin, the polyether ether ketone (PEEK) and the PTFE and styrene, the Izod notch impact strength of the PE/PS alloy is 21.2-24.4J/m, the tensile strength of the PE/PS alloy is 31.1-32.8MPa, the corrosion resistance of the PE/PS alloy in sulfuric acid with the concentration of 90% at room temperature is excellent, and the excellent corrosion resistance is obtained, so that the problem that the alloy plastic formed by blending and modifying the PS and the PE at present is poor in corrosion resistance and is not suitable for manufacturing an inner container of a refrigerator is solved.
Detailed Description
The first embodiment is as follows:
the corrosion-resistant PE/PS alloy suitable for the refrigerator liner comprises the following raw materials in parts by weight: 10 parts of PE resin, 100 parts of styrene, 800 parts of deionized water, 1 part of sodium dodecyl benzene sulfonate, 8 parts of polyether ether ketone (PEEK) and 3 parts of Polytetrafluoroethylene (PTFE);
a preparation method of corrosion-resistant PE/PS alloy suitable for a refrigerator liner comprises the following steps:
adding 10 parts of pre-irradiated PE resin, 100 parts of styrene, 800 parts of deionized water, 1 part of sodium dodecyl benzene sulfonate, 8 parts of pre-irradiated polyether ether ketone (PEEK) and 3 parts of pre-irradiated Polytetrafluoroethylene (PTFE) into a 1L reaction bottle, heating and stirring, heating to 80 ℃, keeping for 4 hours, heating to 90 ℃ for reaction for 6 hours, and finishing the reaction to obtain an intermediate product I;
secondly, washing and filtering the intermediate product, and putting the intermediate product into a vacuum oven at 60 ℃ for 24 hours to obtain an intermediate product;
thirdly, extracting the intermediate product II by using a Soxhlet extractor, adding 300mL of tetrahydrofuran, heating in a water bath, extracting for 48 hours, then taking out, and putting into a vacuum oven at 60 ℃ for 48 hours to obtain the corrosion-resistant PE/PS alloy.
Through the test: the Izod notch impact strength of the prepared PE/PS alloy is 24.4J/m, and the tensile strength is 32.8 MPa;
and the PE/PS alloy prepared by the method has excellent corrosion resistance in sulfuric acid with the concentration of 90% at room temperature.
Example two:
the corrosion-resistant PE/PS alloy suitable for the refrigerator liner comprises the following raw materials in parts by weight: 20 parts of PE resin, 80 parts of styrene, 600 parts of deionized water, 3 parts of sodium dodecyl benzene sulfonate, 5 parts of polyether ether ketone (PEEK) and 3 parts of Polytetrafluoroethylene (PTFE);
a preparation method of corrosion-resistant PE/PS alloy suitable for a refrigerator liner comprises the following steps:
adding 20 parts of pre-irradiation PE resin, 80 parts of styrene, 600 parts of deionized water, 3 parts of sodium dodecyl benzene sulfonate, 5 parts of pre-irradiation polyether ether ketone (PEEK) and 3 parts of pre-irradiation Polytetrafluoroethylene (PTFE) into a 1L reaction bottle, heating and stirring, heating to 80 ℃, keeping for 4 hours, heating to 90 ℃ for reaction for 6 hours, and finishing the reaction to obtain an intermediate product I;
secondly, washing and filtering the intermediate product, and putting the intermediate product into a vacuum oven at 60 ℃ for 24 hours to obtain an intermediate product;
thirdly, extracting the intermediate product II by using a Soxhlet extractor, adding 300mL of tetrahydrofuran, heating in a water bath, extracting for 48 hours, then taking out, and putting into a vacuum oven at 60 ℃ for 48 hours to obtain the corrosion-resistant PE/PS alloy.
Through the test: the Izod notch impact strength of the prepared PE/PS alloy is 21.2J/m, and the tensile strength is 31.1 MPa;
and the PE/PS alloy prepared by the method has excellent corrosion resistance in sulfuric acid with the concentration of 90% at room temperature.
Example three:
the corrosion-resistant PE/PS alloy suitable for the refrigerator liner comprises the following raw materials in parts by weight: 15 parts of PE resin, 90 parts of styrene, 800 parts of deionized water, 2 parts of sodium dodecyl benzene sulfonate, 10 parts of polyether ether ketone (PEEK) and 5 parts of Polytetrafluoroethylene (PTFE);
a preparation method of corrosion-resistant PE/PS alloy suitable for a refrigerator liner comprises the following steps:
adding 15 parts of pre-irradiation PE resin, 90 parts of styrene, 800 parts of deionized water, 2 parts of sodium dodecyl benzene sulfonate, 10 parts of pre-irradiation polyether ether ketone (PEEK) and 5 parts of pre-irradiation Polytetrafluoroethylene (PTFE) into a 1L reaction bottle, heating and stirring, heating to 80 ℃, keeping for 4 hours, heating to 90 ℃ for reaction for 6 hours, and finishing the reaction to obtain an intermediate product I;
secondly, washing and filtering the intermediate product, and putting the intermediate product into a vacuum oven at 60 ℃ for 24 hours to obtain an intermediate product;
thirdly, extracting the intermediate product II by using a Soxhlet extractor, adding 300mL of tetrahydrofuran, heating in a water bath, extracting for 48 hours, then taking out, and putting into a vacuum oven at 60 ℃ for 48 hours to obtain the corrosion-resistant PE/PS alloy.
Through the test: the Izod notch impact strength of the prepared PE/PS alloy is 22.6J/m, and the tensile strength is 31.6 MPa;
and the PE/PS alloy prepared by the method has excellent corrosion resistance in sulfuric acid with the concentration of 90% at room temperature.
Claims (8)
1. The corrosion-resistant PE/PS alloy suitable for the refrigerator liner is characterized by comprising the following raw materials in parts by weight: 10-20 parts of PE resin, 80-100 parts of styrene, 600-800 parts of deionized water, 1-3 parts of sodium dodecyl benzene sulfonate and 8-15 parts of an anticorrosive agent consisting of polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE).
2. The PE/PS alloy suitable for resisting corrosion of a refrigerator liner as claimed in claim 1, wherein the corrosion inhibitor comprises 5-10 parts of Polyetheretherketone (PEEK) and 3-5 parts of Polytetrafluoroethylene (PTFE).
3. The corrosion-resistant PE/PS alloy suitable for the refrigerator liner as claimed in claim 2, wherein the PE/PS alloy comprises the following raw materials in parts by weight: 10 parts of PE resin, 100 parts of styrene, 800 parts of deionized water, 1 part of sodium dodecyl benzene sulfonate, 8 parts of polyether ether ketone (PEEK) and 3 parts of Polytetrafluoroethylene (PTFE).
4. The corrosion-resistant PE/PS alloy suitable for the refrigerator liner as claimed in claim 3, wherein the PE resin, the polyether ether ketone (PEEK) and the Polytetrafluoroethylene (PTFE) are all subjected to pre-irradiation treatment.
5. A preparation method of corrosion-resistant PE/PS alloy suitable for a refrigerator liner is characterized by comprising the following steps:
the method comprises the following steps: adding 10-20 parts of pre-irradiation PE resin, 80-100 parts of styrene, 600-800 parts of deionized water, 1-3 parts of sodium dodecyl benzene sulfonate and 8-15 parts of pre-irradiation anticorrosive agent consisting of polyether ether ketone (PEEK) and Polytetrafluoroethylene (PTFE) into a reaction bottle, heating and stirring, heating to 80-90 ℃ for reaction for 10 hours, and finishing the reaction to obtain an intermediate product I;
step two: washing and filtering the intermediate product, and drying the intermediate product in a vacuum oven at 60 ℃ to obtain an intermediate product II;
step three: and (3) extracting the intermediate product by using a Soxhlet extractor, adding 300mL of tetrahydrofuran, heating in a water bath, extracting for 48 hours, taking out, and drying in a vacuum oven at 60 ℃ to obtain the corrosion-resistant PE/PS alloy.
6. The preparation method of the corrosion-resistant PE/PS alloy suitable for the refrigerator liner as claimed in claim 5, wherein the first step comprises: the materials are put in a reaction bottle, heated to 80 ℃ firstly, kept for 4 hours, and then heated to 90 ℃ for reaction for 6 hours.
7. The preparation method of the PE/PS alloy suitable for the refrigerator liner to resist corrosion according to claim 6, wherein the second step is: and drying the intermediate product in a vacuum oven at 60 ℃ for 24 hours.
8. The preparation method of the corrosion-resistant PE/PS alloy suitable for the refrigerator liner according to claim 7, wherein the third step is: and drying the intermediate product in a vacuum oven at 60 ℃ for 48 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857743.6A CN111925481A (en) | 2020-08-24 | 2020-08-24 | Corrosion-resistant PE/PS alloy suitable for refrigerator liner and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010857743.6A CN111925481A (en) | 2020-08-24 | 2020-08-24 | Corrosion-resistant PE/PS alloy suitable for refrigerator liner and preparation method thereof |
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| CN111925481A true CN111925481A (en) | 2020-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111621113A (en) * | 2020-05-25 | 2020-09-04 | 苏州市桔园管业有限公司 | Anti-aging polyethylene pipeline material and preparation method thereof |
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