CN113337039A - High-fluidity high-impact-resistance polypropylene material - Google Patents
High-fluidity high-impact-resistance polypropylene material Download PDFInfo
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- CN113337039A CN113337039A CN202110667654.XA CN202110667654A CN113337039A CN 113337039 A CN113337039 A CN 113337039A CN 202110667654 A CN202110667654 A CN 202110667654A CN 113337039 A CN113337039 A CN 113337039A
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- Prior art keywords
- light stabilizer
- density polyethylene
- activator
- composite material
- antioxidant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Abstract
The invention discloses a high-fluidity high-impact-resistant polypropylene material, which is prepared by mixing polypropylene, mixed high-density polyethylene, an elastic composite material, linear low-density polyethylene, a light stabilizer, food-grade white mineral oil, an antioxidant and an activating agent; according to the invention, the elongation at break of the prepared product is increased by adding the mixed high-density polyethylene, the product can maintain higher performance in a low-temperature environment, meanwhile, the low-temperature resistance of the product is improved by adding the linear low-density polyethylene, so that the linear low-density polyethylene is close to slow, the fluidity is further improved, and the product can maintain higher impact resistance and elongation at break in the low-temperature environment by matching with the mixing and toughening of the elastic composite material, and the addition of the light stabilizer avoids the rapid oxidative decomposition of tertiary carbon atoms, so that the weather resistance of the product is improved.
Description
Technical Field
The invention relates to the technical field of polypropylene materials, in particular to a high-fluidity high-impact-resistance polypropylene material.
Background
The polypropylene is a polymer formed by propylene through addition polymerization, is a colorless, odorless, nontoxic and semitransparent solid substance, has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high-wear-resistance processing performance and the like, is widely applied to the production of fiber products such as clothes and blankets, medical appliances, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and is also used for food and medicine packaging;
the existing pedal made of the PP material is required to have low-temperature resistance, high-impact resistance and weather resistance, and the embrittlement temperature of the existing pedal made of the PP material is-30 ℃, so that the pedal can crack in a low-temperature environment to influence the quality and the service performance of the pedal.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a high-fluidity high-impact polypropylene material, which is prepared by adding and mixing high-density polyethylene components, so that the elongation at break of the prepared product is increased, and the product can maintain high performance in a low-temperature environment, meanwhile, the low-temperature resistance of the product is improved by adding linear low-density polyethylene, so that the product is close to slow, and further, the fluidity is improved, and then, the product can maintain high impact strength and elongation at break in the low-temperature environment by matching with the mixing and toughening of an elastic composite material, and the addition of a light stabilizer avoids the rapid oxidative decomposition of tertiary carbon atoms, so that the weather resistance of the product is improved.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the high-impact-resistant polypropylene material with high fluidity is prepared by mixing polypropylene, mixed high-density polyethylene, an elastic composite material, linear low-density polyethylene, a light stabilizer, food-grade white mineral oil, an antioxidant and an activating agent in a mixing ratio of 30-35: 30-34: 15-18: 16-19: 0.2-0.5: 0.1-0.4: 0.2-0.6: 0.3-0.6.
The further improvement lies in that: the mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33.5:32:16:17:0.4:0.2:0.4: 0.5.
The further improvement lies in that: the mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33:31:17:16:0.3:0.4:0.5: 0.4.
The further improvement lies in that: the light stabilizer is a mixture of a hindered amine light stabilizer and one of an o-hydroxy diphenyl ketone light stabilizer, a benzotriazole light stabilizer, a salicylate light stabilizer and a substituted acrylonitrile light stabilizer.
The further improvement lies in that: the antioxidant is one or a mixture of 2, 6-di-tert-butyl-p-cresol, 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid and 4, 4' -thiobis (5-methyl-2-tert-butylphenol).
The further improvement lies in that: the activator is one of ethylene bis stearamide and diethylamine phosphate, and the fineness of the activator is 325 meshes when the ethylene bis stearamide is used as the activator.
The further improvement lies in that: the elastic composite material is a polyethylene octene co-elastomer.
The invention has the beneficial effects that: according to the invention, the elongation at break of the prepared product is increased by adding the mixed high-density polyethylene, the product can keep higher performance in a low-temperature environment, meanwhile, the low-temperature resistance of the product is improved by adding the linear low-density polyethylene, so that the linear low-density polyethylene is close to slow, the fluidity is further improved, and the product can keep higher impact resistance and elongation at break in the low-temperature environment by matching with the mixing and toughening of the elastic composite material, and the addition of the light stabilizer avoids the rapid oxidative decomposition of tertiary carbon atoms, so that the weather resistance of the product is improved.
Detailed Description
The present invention will be described in detail and fully with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment provides a high-fluidity high-impact-resistance polypropylene material which is prepared by mixing polypropylene, mixed high-density polyethylene, an elastic composite material, linear low-density polyethylene, a light stabilizer, food-grade white mineral oil, an antioxidant and an activator in a mixing ratio of 30-35: 30-34: 15-18: 16-19: 0.2-0.5: 0.1-0.4: 0.2-0.6: 0.3-0.6.
The mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33.5:32:16:17:0.4:0.2:0.4: 0.5.
The light stabilizer is a mixture of a hindered amine light stabilizer and one of an o-hydroxybenzophenone light stabilizer, a benzotriazole light stabilizer, a salicylate light stabilizer and a substituted acrylonitrile light stabilizer.
The antioxidant is one or a mixture of 2, 6-di-tert-butyl-p-cresol, 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid and 4, 4' -thiobis (5-methyl-2-tert-butylphenol).
The activator is ethylene bis stearamide, the fineness of the ethylene bis stearamide is 325 meshes, and the elastic composite material is a polyethylene octene co-elastomer.
Example 2
The embodiment provides a high-fluidity high-impact-resistance polypropylene material which is prepared by mixing polypropylene, mixed high-density polyethylene, an elastic composite material, linear low-density polyethylene, a light stabilizer, food-grade white mineral oil, an antioxidant and an activator in a mixing ratio of 30-35: 30-34: 15-18: 16-19: 0.2-0.5: 0.1-0.4: 0.2-0.6: 0.3-0.6.
The mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33:31:17:16:0.3:0.4:0.5: 0.4.
The light stabilizer is a mixture of a hindered amine light stabilizer and one of an o-hydroxybenzophenone light stabilizer, a benzotriazole light stabilizer, a salicylate light stabilizer and a substituted acrylonitrile light stabilizer.
The antioxidant is one or a mixture of 2, 6-di-tert-butyl-p-cresol, 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid and 4, 4' -thiobis (5-methyl-2-tert-butylphenol).
The activator is diethylamine phosphate, and the elastic composite material is a polyethylene octene co-elastomer.
Example 3
The embodiment provides a high-fluidity high-impact-resistance polypropylene material which is prepared by mixing polypropylene, mixed high-density polyethylene, an elastic composite material, linear low-density polyethylene, a light stabilizer, food-grade white mineral oil, an antioxidant and an activator in a mixing ratio of 30-35: 30-34: 15-18: 16-19: 0.2-0.5: 0.1-0.4: 0.2-0.6: 0.3-0.6.
The mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33.5:32:16:17:0.4:0.2:0.4: 0.5.
The light stabilizer is a mixture of a hindered amine light stabilizer and one of an o-hydroxybenzophenone light stabilizer, a benzotriazole light stabilizer, a salicylate light stabilizer and a substituted acrylonitrile light stabilizer.
The antioxidant is one or a mixture of 2, 6-di-tert-butyl-p-cresol, 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid and 4, 4' -thiobis (5-methyl-2-tert-butylphenol).
The activator is ethylene bis stearamide, wherein the fineness of the ethylene bis stearamide is 325 meshes, and the elastic composite material is a polyethylene octene co-elastomer.
Example 4
The embodiment provides a high-fluidity high-impact-resistance polypropylene material which is prepared by mixing polypropylene, mixed high-density polyethylene, an elastic composite material, linear low-density polyethylene, a light stabilizer, food-grade white mineral oil, an antioxidant and an activator in a mixing ratio of 30-35: 30-34: 15-18: 16-19: 0.2-0.5: 0.1-0.4: 0.2-0.6: 0.3-0.6.
The mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33:31:17:16:0.3:0.4:0.5: 0.4.
The light stabilizer is a mixture of a hindered amine light stabilizer and one of an o-hydroxybenzophenone light stabilizer, a benzotriazole light stabilizer, a salicylate light stabilizer and a substituted acrylonitrile light stabilizer.
The antioxidant is one or a mixture of 2, 6-di-tert-butyl-p-cresol, 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid and 4, 4' -thiobis (5-methyl-2-tert-butylphenol).
The activator is diethylamine phosphate, and the elastic composite material is a polyethylene octene co-elastomer.
This high-fluidity high-impact-resistant polypropylene material is through adding mixed high density polyethylene composition, make the product elongation at break that makes increase, can also keep higher performance in low temperature environment, the low temperature resistance of product has been improved through adding linear low density polyethylene simultaneously, make it be close slowly, and then improve mobility, the mixture of the elasticity combined material of deuterogamying is toughened, make the product can keep higher impact strength and elongation at break under low temperature environment, the quick oxidative decomposition of tertiary carbon atom has been avoided in the addition of light stabilizer, make product weatherability obtain promoting.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention as defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A high-fluidity high-impact-resistant polypropylene material is characterized in that: the composite material is prepared by mixing polypropylene, mixed high-density polyethylene, elastic composite material, linear low-density polyethylene, light stabilizer, food-grade white mineral oil, antioxidant and activator, wherein the mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 30-35: 30-34: 15-18: 16-19: 0.2-0.5: 0.1-0.4: 0.2-0.6: 0.3-0.6.
2. A high flow, high impact resistant polypropylene material according to claim 1 wherein: the mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33.5:32:16:17:0.4:0.2:0.4: 0.5.
3. A high flow, high impact resistant polypropylene material according to claim 1 wherein: the mixing ratio of the polypropylene, the mixed high-density polyethylene, the elastic composite material, the linear low-density polyethylene, the light stabilizer, the food-grade white mineral oil, the antioxidant and the activator is 33:31:17:16:0.3:0.4:0.5: 0.4.
4. A high flow, high impact resistant polypropylene material according to claim 1 wherein: the light stabilizer is a mixture of a hindered amine light stabilizer and one of an o-hydroxybenzophenone light stabilizer, a benzotriazole light stabilizer, a salicylate light stabilizer and a substituted acrylonitrile light stabilizer.
5. A high flow, high impact resistant polypropylene material according to claim 1 wherein: the antioxidant is one or a mixture of 2, 6-di-tert-butyl-p-cresol, 3- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid and 4, 4' -thiobis (5-methyl-2-tert-butylphenol).
6. A high flow, high impact resistant polypropylene material according to claim 1 wherein: the activator is one of ethylene bis stearamide and diethylamine phosphate, and the fineness of the activator is 325 meshes when the ethylene bis stearamide is used as the activator.
7. A high flow, high impact resistant polypropylene material according to claim 1 wherein: the elastic composite material is a polyethylene octene co-elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667654.XA CN113337039A (en) | 2021-06-16 | 2021-06-16 | High-fluidity high-impact-resistance polypropylene material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110667654.XA CN113337039A (en) | 2021-06-16 | 2021-06-16 | High-fluidity high-impact-resistance polypropylene material |
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| CN113337039A true CN113337039A (en) | 2021-09-03 |
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| CN202110667654.XA Pending CN113337039A (en) | 2021-06-16 | 2021-06-16 | High-fluidity high-impact-resistance polypropylene material |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114456488A (en) * | 2022-01-19 | 2022-05-10 | 中北大学 | Tear-resistant PBSeT/PP/HDPE composite material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130261263A1 (en) * | 2012-03-29 | 2013-10-03 | Toyoda Gosei Co., Ltd. | Polypropylene composition and molded article of the same |
| CN103819817A (en) * | 2014-03-11 | 2014-05-28 | 株洲时代新材料科技股份有限公司 | Polypropylene composition with high fluidity and high dimensional stability and preparation method thereof |
| CN112778613A (en) * | 2021-01-11 | 2021-05-11 | 广东道生科技股份有限公司 | High-strength PP/PE alloy free of whitening after folding and preparation method thereof |
-
2021
- 2021-06-16 CN CN202110667654.XA patent/CN113337039A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130261263A1 (en) * | 2012-03-29 | 2013-10-03 | Toyoda Gosei Co., Ltd. | Polypropylene composition and molded article of the same |
| CN103819817A (en) * | 2014-03-11 | 2014-05-28 | 株洲时代新材料科技股份有限公司 | Polypropylene composition with high fluidity and high dimensional stability and preparation method thereof |
| CN112778613A (en) * | 2021-01-11 | 2021-05-11 | 广东道生科技股份有限公司 | High-strength PP/PE alloy free of whitening after folding and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114456488A (en) * | 2022-01-19 | 2022-05-10 | 中北大学 | Tear-resistant PBSeT/PP/HDPE composite material and preparation method thereof |
| CN114456488B (en) * | 2022-01-19 | 2024-01-26 | 中北大学 | Tear-resistant PBSeT/PP/HDPE composite material and preparation method thereof |
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