CN115678157A - Preparation process of anti-fouling modified PP (polypropylene) material - Google Patents
Preparation process of anti-fouling modified PP (polypropylene) material Download PDFInfo
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- CN115678157A CN115678157A CN202110825581.2A CN202110825581A CN115678157A CN 115678157 A CN115678157 A CN 115678157A CN 202110825581 A CN202110825581 A CN 202110825581A CN 115678157 A CN115678157 A CN 115678157A
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Abstract
The invention discloses a preparation process of an anti-fouling modified PP material, which is prepared from the following raw materials in parts by mass: 20-45 parts of PP (polypropylene), 5-10 parts of low-density polyethylene, 10-15 parts of POE (polyolefin elastomer), 10-15 parts of talcum powder, 10 parts of EVA (ethylene-vinyl acetate), 10-20 parts of mica, 3-6 parts of titanate coupling agent, 5-10 parts of acrylic acid surface treating agent, 5-10 parts of compatilizer, 10 parts of surfactant and 10 parts of antifouling agent; the content of VA in EVA is 14-18 parts, and the material of the surfactant is amino. The PP material takes PP as a main raw material, the compatilizer is added to promote PP and P0E to achieve the compatibility on the molecular level, the coupling agent is added to effectively improve the comprehensive mechanical property of the PP material, so that the PP material has good bending property and high impact strength, the surfactant and the antifouling agent are added to improve the surface antifouling property of the PP material, prevent stains from being tightly adhered to the surface of the PP material, improve the convenience of cleaning the surface of the PP material, and can be widely applied to injection molding of various plastic parts such as electrical appliances, toys, automobile parts and the like.
Description
Technical Field
The invention relates to the technical field of PP material preparation, in particular to a preparation process of an anti-fouling modified PP material.
Background
Polypropylene is a polymer formed by propylene through addition polymerization, is a white waxy material, is transparent and light in appearance, is inflammable, has a melting point of 189 ℃, is softened at about 155 ℃, has a use temperature range of-30-140 ℃, can resist corrosion of acid, alkali, salt solution and various organic solvents at a temperature below 80 ℃, can be decomposed at high temperature and under the action of oxidation, and is widely applied to the production of fiber products such as clothes, blankets and the like, medical appliances, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and is also used for packaging foods and medicines.
In view of the above disadvantages, it is necessary to design a process for preparing an anti-fouling modified PP material.
Disclosure of Invention
The invention aims to provide a preparation process of an anti-fouling modified PP material, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the antifouling modified PP material is prepared from the following raw materials in parts by mass:
preferably, the compatilizer is one or two of polypropylene grafted maleic anhydride or hydrogenated styrene-butadiene grafted maleic anhydride, and the titanate coupling agent is two or three of monoalkoxy type, monoalkoxy pyrophosphate type, integral type and coordination type.
Preferably, the VA content in the EVA is 14-18 parts, the material of the surfactant is amino, and the model of the PP is T304S.
The invention also provides a use method of the preparation process of the anti-fouling modified PP material, which comprises the following specific use steps:
(1) Pelletizing: cutting the PP material into particles by a particle cutter, and screening out the PP material with uniform size;
(2) Cleaning: cleaning the screened good PP material with clear water and drying;
(3) Mixing: putting PP, low-density polyethylene, POE, talcum powder, EVA, mica, titanate coupling agent, acrylic acid surface treating agent, compatilizer and surfactant in parts by mass into a high-speed stirrer, and fully mixing for 10-20 minutes;
(4) Heating: feeding the material mixed in the step (3) into a heating device for heating, then feeding into a parallel double-screw extruder, and extruding granules by using the parallel double-screw extruder;
(5) Stretching and drawing: stretching and drawing the granules extruded from the extruder;
(6) Cooling and granulating: and (3) placing the stretched and drawn particle strips into a cooling water tank for cooling, then air-drying, and finally sending into a granulator for granulation to obtain the PP material.
Preferably, in the step (4), the screw rotating speed of the parallel double-screw extruder is 200r/min to 300r/min, and the conveying speed of the material at the fiber inlet is 20r/min to 30r/min.
Preferably, in the step (4), the heating temperature of the heating device is 200 ℃.
Compared with the prior art, the preparation process of the anti-fouling modified PP material has the advantages that the PP is used as a main raw material, the compatilizer is added to enable the PP and the P0E to be compatible on a molecular level, the coupling agent is added to effectively improve the comprehensive mechanical property of the PP material, so that the PP material has good bending property and high impact strength, the surfactant and the anti-fouling agent are added to improve the surface anti-fouling property of the PP material, the stains are prevented from being tightly adhered to the surface of the PP material, the convenience of cleaning the surface of the PP material is improved, and the anti-fouling modified PP material can be widely applied to injection molding of various plastic workpieces such as household appliances, toys, automobile parts and the like.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
the antifouling modified PP material is prepared from the following raw materials in parts by mass:
the compatilizer is one or two of polypropylene grafted maleic anhydride or hydrogenated styrene-butadiene grafted maleic anhydride, and the titanate coupling agent is two or three of monoalkoxyl type, monoalkoxyl pyrophosphate type, integral type and coordination type.
The content of VA in the EVA is 14-18 parts, the material of the surfactant is amino, and the model of PP is T304S.
In the step (4), the screw rotating speed of the parallel double-screw extruder is 200 r/min-300 r/min, and the material conveying speed at the fiber inlet is 20 r/min-30 r/min.
In the step (4), the heating temperature of the heating device is 200 ℃.
The specific working principle of the present invention will be explained in detail below:
(1) Pelletizing: cutting the PP material into particles by a particle cutter, and screening out the PP material with uniform size;
(2) Cleaning: cleaning the screened good PP material with clear water and drying;
(3) Mixing: putting PP, low-density polyethylene, POE, talcum powder, EVA, mica, titanate coupling agent, acrylic acid surface treating agent, compatilizer and surfactant in parts by mass into a high-speed stirrer, fully mixing for 10-20 minutes to obtain a PP mixed material, and taking out the PP mixed material for later use;
(4) Heating: feeding the PP mixed material into a heating device for heating, then feeding the PP mixed material into a parallel double-screw extruder, and extruding granules by using the parallel double-screw extruder;
(5) Stretching and drawing: stretching and drawing the granules extruded from the extruder;
(6) Cooling and granulating: and (3) placing the stretched and drawn particle strips into a cooling water tank for cooling, then air-drying, and finally sending into a granulator for granulation to obtain the PP material.
In summary, the preparation process of the anti-fouling modified PP material provided by the invention takes PP as a main raw material, the compatilizer is added to promote PP and P0E to be compatible on a molecular level, and the coupling agent is added to effectively improve the comprehensive mechanical property of the PP material, so that the PP material has good bending property and high impact strength, and can be widely applied to injection molding of various plastic parts such as household appliances, toys, automobile parts and the like.
Example 2:
the antifouling modified PP material is prepared from the following raw materials in parts by mass:
the compatilizer is one or two of polypropylene grafted maleic anhydride or hydrogenated styrene-butadiene grafted maleic anhydride, and the titanate coupling agent is two or three of monoalkoxyl type, monoalkoxy pyrophosphate type, integrated type and coordination body type.
The content of VA in the EVA is 14-18 parts, the material of the surfactant is amino, and the model of PP is T304S.
In the step (4), the screw rotating speed of the parallel double-screw extruder is 200 r/min-300 r/min, and the material conveying speed at the fiber inlet is 20 r/min-30 r/min.
In the step (4), the heating temperature of the heating device is 200 ℃.
The specific working principle of the present invention will be explained in detail below:
(1) Cutting into granules: cutting the PP material into particles by a particle cutter, and screening out the PP material with uniform size;
(2) Cleaning: cleaning the screened good PP material with clear water and drying;
(3) Mixing: putting PP, low-density polyethylene, POE, talcum powder, EVA, mica, titanate coupling agent, acrylic acid surface treating agent, compatilizer and surfactant in parts by mass into a high-speed stirrer, fully mixing for 10-20 minutes to obtain a PP mixed material, and taking out the PP mixed material for later use;
(4) Heating: feeding the PP mixed material into a heating device for heating, then feeding the PP mixed material into a parallel double-screw extruder, and extruding granules by using the parallel double-screw extruder;
(5) Stretching and drawing: stretching and drawing the granules extruded from the extruder;
(6) Cooling and granulating: and (3) placing the stretched and drawn particle strips into a cooling water tank for cooling, then air-drying, and finally sending into a granulator for granulation to obtain the PP material.
In summary, the preparation process of the anti-fouling modified PP material provided by the invention takes PP as a main raw material, the compatilizer is added to promote PP and P0E to be compatible on a molecular level, the coupling agent is added to effectively improve the comprehensive mechanical property of the PP material, so that the PP material has good bending property and high impact strength, the talcum powder is added to toughen and modify the PP material, the toughening effect is better as the particle size of the talcum powder is smaller, and the anti-fouling modified PP material can be widely applied to injection molding of various plastic parts such as household appliances, toys, automobile parts and the like.
Example 3:
the antifouling modified PP material is prepared from the following raw materials in parts by mass:
the compatilizer is one or two of polypropylene grafted maleic anhydride or hydrogenated styrene-butadiene grafted maleic anhydride, and the titanate coupling agent is two or three of monoalkoxyl type, monoalkoxyl pyrophosphate type, integral type and coordination type.
The content of VA in the EVA is 14-18 parts, the material of the surfactant is amino, and the model of PP is T304S.
In the step (4), the screw rotating speed of the parallel double-screw extruder is 200 r/min-300 r/min, and the conveying speed of the materials at the fiber inlet is 20 r/min-30 r/min.
In the step (4), the heating temperature of the heating device is 200 ℃.
The specific working principle of the present invention will be explained in detail below:
(1) Pelletizing: cutting the PP material into particles by a particle cutter, and screening out the PP material with uniform size;
(2) Cleaning: cleaning the screened good PP material with clear water and drying;
(3) Mixing: putting PP, low-density polyethylene, POE, talcum powder, EVA, mica, titanate coupling agent, acrylic acid surface treating agent, compatilizer and surfactant into a high-stirring machine according to the mass parts, fully mixing for 10-20 minutes to obtain a PP mixed material, and taking out for later use;
(4) Heating: feeding the PP mixed material into a heating device for heating, then feeding the PP mixed material into a parallel double-screw extruder, and extruding granules by using the parallel double-screw extruder;
(5) Stretching and drawing: stretching and drawing the granules extruded from the extruder;
(6) Cooling and granulating: and (3) placing the stretched and drawn particle strips into a cooling water tank for cooling, then air-drying, and finally sending into a granulator for granulation to obtain the PP material.
In summary, the preparation process of the anti-fouling modified PP material provided by the invention takes PP as a main raw material, the compatibility of PP and P0E is promoted to be on a molecular level by adding the compatilizer, the comprehensive mechanical property of the PP material can be effectively improved by adding the coupling agent, so that the PP material has good bending property and high impact strength, the surface anti-fouling property of the PP material can be improved by adding the surfactant and the anti-fouling agent, the tight adhesion of stains and the surface of the PP material is avoided, the convenience of cleaning the surface of the PP material is improved, and the anti-fouling modified PP material can be widely applied to injection molding of various plastic workpieces such as household appliances, toys, automobile parts and the like.
Comparative example 1:
extruding and granulating 100 parts of pure PP material by a double-screw extruder; extruding at 240 deg.c and screw rotation speed of 150r/min to obtain granular material; drying the granules in a vacuum oven at 90 ℃; then carrying out injection molding on the granules; the injection molding temperature is 180 ℃, and the PP material is obtained.
So that the tensile strength of the material prepared in comparative example 1 is 40MPa, the bending strength is 50MPa, the flame retardant rating is not graded, and the toughness is lower
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The antifouling modified PP material is characterized in that: the traditional Chinese medicine is prepared from the following raw materials in parts by mass:
2. the anti-fouling modified PP material of claim 1, wherein: the compatilizer is one or two of polypropylene grafted maleic anhydride or hydrogenated styrene-butadiene grafted maleic anhydride, and the titanate coupling agent is two or three of monoalkoxyl type, monoalkoxy pyrophosphate type, integrated type and coordination body type.
3. The anti-fouling modified PP material according to claim 1, wherein: the content of VA in the EVA is 14-18 parts, the material of the surfactant is amino, and the model of PP is T304S.
4. The preparation process of the anti-fouling modified PP material according to claim 1, wherein the preparation process comprises the following steps: the method comprises the following steps:
(1) Pelletizing: cutting the PP material into particles by a particle cutter, and screening out the PP material with uniform size;
(2) Cleaning: cleaning the screened good PP material with clear water and drying;
(3) Mixing: putting PP, low-density polyethylene, POE, talcum powder, EVA, mica, titanate coupling agent, acrylic acid surface treating agent, compatilizer and surfactant in parts by mass into a high-speed stirrer, and fully mixing for 10-20 minutes;
(4) Heating: feeding the material mixed in the step (3) into a heating device for heating, then feeding into a parallel double-screw extruder, and extruding granules by using the parallel double-screw extruder;
(5) Stretching and drawing: stretching and drawing the granules extruded from the extruder;
(6) Cooling and granulating: and (3) placing the stretched and drawn particle strips into a cooling water tank for cooling, then air-drying, and finally sending into a granulator for granulation to obtain the PP material.
5. The preparation process of the anti-fouling modified PP material according to claim 4, wherein the preparation process comprises the following steps: in the step (4), the screw rotating speed of the parallel double-screw extruder is 200 r/min-300 r/min, and the material conveying speed at the fiber inlet is 20 r/min-30 r/min.
6. The preparation process of the anti-fouling modified PP material of claim 4, wherein: in the step (4), the heating temperature of the heating device is 200 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110825581.2A CN115678157A (en) | 2021-07-21 | 2021-07-21 | Preparation process of anti-fouling modified PP (polypropylene) material |
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| CN202110825581.2A CN115678157A (en) | 2021-07-21 | 2021-07-21 | Preparation process of anti-fouling modified PP (polypropylene) material |
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| CN115678157A true CN115678157A (en) | 2023-02-03 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986627A (en) * | 2005-12-22 | 2007-06-27 | 吴永刚 | Composite polypropylene material and its preparing method |
| CN104151706A (en) * | 2014-08-12 | 2014-11-19 | 佛山市日丰企业有限公司 | Polypropylene composite material and preparation method thereof |
| CN109627579A (en) * | 2018-12-07 | 2019-04-16 | 广州市聚赛龙工程塑料股份有限公司 | A kind of antipollution high abrasion polypropylene material and preparation method thereof |
| CN112250942A (en) * | 2020-10-16 | 2021-01-22 | 上海金发科技发展有限公司 | Low-dielectric hydrophobic stain-resistant polypropylene composition and preparation method thereof |
-
2021
- 2021-07-21 CN CN202110825581.2A patent/CN115678157A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986627A (en) * | 2005-12-22 | 2007-06-27 | 吴永刚 | Composite polypropylene material and its preparing method |
| CN104151706A (en) * | 2014-08-12 | 2014-11-19 | 佛山市日丰企业有限公司 | Polypropylene composite material and preparation method thereof |
| CN109627579A (en) * | 2018-12-07 | 2019-04-16 | 广州市聚赛龙工程塑料股份有限公司 | A kind of antipollution high abrasion polypropylene material and preparation method thereof |
| CN112250942A (en) * | 2020-10-16 | 2021-01-22 | 上海金发科技发展有限公司 | Low-dielectric hydrophobic stain-resistant polypropylene composition and preparation method thereof |
Non-Patent Citations (1)
| Title |
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| 日本精细化学品辞典编辑委员会: "橡胶塑料加工成型与制品应用工程手册 材料配合与混炼加工 塑料部分", 化学工业出版社, pages: 345 * |
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