CN113072768A - High-toughness polypropylene composite material and preparation process thereof - Google Patents
High-toughness polypropylene composite material and preparation process thereof Download PDFInfo
- Publication number
- CN113072768A CN113072768A CN202110355778.4A CN202110355778A CN113072768A CN 113072768 A CN113072768 A CN 113072768A CN 202110355778 A CN202110355778 A CN 202110355778A CN 113072768 A CN113072768 A CN 113072768A
- Authority
- CN
- China
- Prior art keywords
- parts
- wood fiber
- composite material
- polypropylene composite
- polypropylene
- 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
Classifications
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a high-toughness polypropylene composite material and a preparation process thereof. The preparation process of the composite material comprises the following steps: 1) preparing each base material; 2) plasticizing the wood fiber; 3) mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fibers to prepare substrate particles; 4) and melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent. The preparation method has the advantages of simple process flow, strong continuity and high production efficiency, and the polypropylene composite material prepared by the preparation method has the advantages of high toughness, high strength, light weight and high tearing, and also has the characteristics of excellent weather resistance such as high temperature resistance, corrosion resistance, folding resistance and the like.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to a high-toughness polypropylene composite material and a preparation process thereof.
Background
Polypropylene, PP for short, is a colorless, odorless, nontoxic and semitransparent solid substance. Polypropylene is a thermoplastic synthetic resin with excellent performance, and is colorless translucent thermoplastic light general-purpose plastic. The polypropylene has chemical resistance, heat resistance, electrical insulation, high-strength mechanical property, good high-wear-resistance processing property and the like, so that the polypropylene can be rapidly and widely developed and applied in a plurality of fields such as machinery, automobiles, electronic and electric appliances, buildings, textiles, packaging, agriculture, forestry, fishery, food industry and the like since the coming out. In recent years, with the rapid development of the industries such as packaging, electronics, automobiles and the like in China, the development of the industries in China is greatly promoted. And because of its plasticity, polypropylene materials are gradually replacing wooden products, and the mechanical functions of metals have been gradually replaced by high strength toughness and high wear resistance. In addition, the polypropylene has good grafting and compounding functions, and has huge application space in the aspects of concrete, textile, packaging and agriculture, forestry and fishery.
The polypropylene material has the advantages of excellent fluidity, electrical insulation, chemical stability, low cost and the like, but the polypropylene serving as the general plastic has certain differences in mechanical property and heat resistance compared with engineering plastics, particularly low strength, poor toughness, easy fracture, poor solvent resistance, great influence of acid and alkali, easy corrosion and poor weather resistance, so the use of the polypropylene material is greatly limited. Therefore, the defects of the high-toughness polypropylene composite material can be improved by preparing the high-toughness polypropylene composite material, and the material with high toughness, strong weather resistance and good corrosion resistance can be prepared. However, since polypropylene and wood fiber are mixed, which is a mixture of polar and non-polar substances, and polypropylene and metal are mixed, which is a mixture of non-crystalline and crystalline polymers, it is difficult to develop a high-toughness polypropylene composite material to solve the above problems.
Disclosure of Invention
Based on the prior art, the invention aims to provide a high-toughness polypropylene composite material and a preparation process thereof, the process flow is simple, the continuity is strong, the production efficiency is high, and the polypropylene composite material prepared by the invention has the advantages of high toughness, high strength, light weight, high tearing, high temperature resistance, corrosion resistance, folding resistance and other excellent weather resistance.
In order to achieve the above purpose, the invention adopts the technical scheme that:
the high-toughness polypropylene composite material comprises the following raw materials in parts by mass: 50-70 parts of polypropylene master batch, 30-40 parts of weather-resistant polyurethane, 20-30 parts of wood fiber, 4-10 parts of metal reinforcing agent, 5-15 parts of compatilizer, 1-5 parts of plasticizer, 1-5 parts of coupling agent and 0.2-1.0 part of anti-aging agent.
In order to better realize the invention, further, the polypropylene composite material comprises the following raw materials in parts by mass: 60 parts of polypropylene master batch, 30 parts of weather-resistant polyurethane, 30 parts of wood fiber, 6 parts of metal reinforcing agent, 10 parts of compatilizer, 3 parts of plasticizer, 2 parts of coupling agent and 0.5 part of anti-aging agent.
In order to better realize the invention, the weather-resistant polyurethane is polyether polyurethane containing an inorganic stabilizer, wherein the inorganic stabilizer is one of titanium dioxide, chromium oxide, zinc oxide and ferroferric oxide, and accounts for 1-5% of the weather-resistant polyurethane by mass.
In order to better realize the invention, the wood fiber is one of bamboo powder, kiwi fruit branch powder, willow branch powder and abutilon powder; the compatilizer is maleic anhydride grafted polypropylene or acrylic acid grafted polypropylene; the plasticizer is one of benzene sulfonamide, phthalate and phosphate; the coupling agent is titanate coupling agent.
In order to better realize the invention, further, the metal reinforcing agent is nano zinc oxide or boric acid aluminum oxide; the anti-aging agent is a mixture of an ultraviolet absorbent and an antioxidant according to the same mass fraction, wherein the ultraviolet absorbent is one of phenyl ortho-hydroxybenzoate, 2, 4-dihydroxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 2- (2-hydroxy-3, 5-bis (a, a-dimethylbenzyl) phenyl) benzotriazole; the antioxidant is one or more of antioxidant 1010, antioxidant 1076 and antioxidant 168.
The invention also provides a preparation process of the high-toughness polypropylene composite material, which comprises the following steps:
step one, preparing each base material: weighing the raw materials according to a process formula, and respectively crushing the raw materials into particles for later use;
step two, plasticizing the wood fiber: drying the wood fiber, and mixing the dried wood fiber with a plasticizer in a high-speed mixer to obtain plasticized wood fiber;
step three, preparing base material particles: mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fiber, cooling after mixing, cooling, and crushing to prepare substrate particles;
and step four, melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent.
In order to better realize the method, the wood fiber is dried for 24-36 hours at the temperature of 60-80 ℃ in the second step, the mixing time is 20-40 min, the mixing temperature is 20-40 ℃, and the post-treatment mode after the mixing is that the wood fiber is placed in an oven at the temperature of 50-70 ℃ for 3-6 hours.
In order to better realize the invention, the mixing temperature in the third step is 170-200 ℃, and the mixing time is 30-60 min.
In order to better realize the invention, the melt injection molding temperature in the fourth step is 170-200 ℃, and the system pressure is 6-10 Mpa.
Advantageous effects
The invention has the following beneficial effects:
(1) the composite material contains wood fiber, the wood fiber and the polypropylene master batch are mixed by the compatilizer, the original property of polypropylene is improved, the light weight of the material can be improved, the material is easy to process, the price is low, and the like.
(2) The composite material of the invention contains weather-resistant polyurethane, the weather-resistant polyurethane has better weather resistance, stability, chemical resistance, rebound resilience and mechanical property, and has smaller compression deformability, and after the weather-resistant polyurethane is mixed with polypropylene and wood fiber, the crystal and the non-crystal are blended, thereby improving the property of the material, increasing the toughness, ensuring that the product has better fluidity and film forming property, and ensuring the uniformity of a weather-resistant layer.
(3) The composite material of the invention comprises a metal reinforcing agent and nano zinc oxide or boric acid aluminum oxide, wherein the metal reinforcing agent is beneficial to increasing the toughness and the strength of the material, the weight of the composite material is much lighter than that of metal, and an anti-aging agent is added at the same time, and can prevent the absorption and oxidation of ultraviolet rays, thereby improving the application range, high toughness, high strength, corrosion resistance, difficult aging and the like.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Example 1
The high-toughness polypropylene composite material provided by the embodiment comprises the following raw materials in parts by mass: 50 parts of polypropylene master batch, 30 parts of weather-resistant polyurethane, 20 parts of wood fiber, 4 parts of metal reinforcing agent, 5 parts of compatilizer, 1 part of plasticizer, 1 part of coupling agent and 0.2 part of anti-aging agent.
The weather-resistant polyurethane is polyether polyurethane containing an inorganic stabilizer, and the inorganic stabilizer is ferroferric oxide and accounts for 1% of the weather-resistant polyurethane by mass.
The wood fiber is Abutilon powder; the compatilizer is acrylic acid grafted polypropylene; the plasticizer is benzene sulfonamide; the coupling agent is titanate coupling agent; the metal reinforcing agent is nano zinc oxide; the anti-aging agent is a mixture of an ultraviolet absorbent and an antioxidant according to the same mass fraction, and the ultraviolet absorbent is phenyl ortho-hydroxybenzoate; the antioxidant is antioxidant 1010.
The embodiment also provides a preparation process of the high-toughness polypropylene composite material, which comprises the following steps:
step one, preparing each base material: weighing the raw materials according to a process formula, and respectively crushing the raw materials into particles for later use;
step two, plasticizing the wood fiber: drying the wood fiber at 60 ℃ for 36h, mixing the dried wood fiber with a plasticizer in a high-speed mixer for 40min at the mixing temperature of 20 ℃, and placing the mixture in an oven for 6h at the oven temperature of 50 ℃ to obtain plasticized wood fiber;
step three, preparing base material particles: mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fiber at 170 ℃ for 60min, cooling after mixing, cooling, crushing and preparing into substrate particles;
and step four, melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent, wherein the melting and injection molding temperature is 170 ℃, and the system pressure is 10 Mpa.
Example 2
The high-toughness polypropylene composite material provided by the embodiment comprises the following raw materials in parts by mass: 55 parts of polypropylene master batch, 32 parts of weather-resistant polyurethane, 22 parts of wood fiber, 6 parts of metal reinforcing agent, 8 parts of compatilizer, 2 parts of plasticizer, 2 parts of coupling agent and 0.4 part of anti-aging agent.
The weather-resistant polyurethane is polyether polyurethane containing an inorganic stabilizer, and the inorganic stabilizer is zinc oxide and accounts for 2% of the weather-resistant polyurethane by mass.
The wood fiber is willow branch powder; the compatilizer is acrylic acid grafted polypropylene; the plasticizer is phosphate; the coupling agent is titanate coupling agent; the metal reinforcing agent is nano zinc oxide; the anti-aging agent is a mixture of an ultraviolet absorbent and an antioxidant according to the same mass fraction, and the ultraviolet absorbent is 2, 4-dihydroxy benzophenone; the antioxidant is antioxidant 168.
The embodiment also provides a preparation process of the high-toughness polypropylene composite material, which comprises the following steps:
step one, preparing each base material: weighing the raw materials according to a process formula, and respectively crushing the raw materials into particles for later use;
step two, plasticizing the wood fiber: drying the wood fiber at 65 ℃ for 32 hours, mixing the dried wood fiber with a plasticizer in a high-speed mixer for 35min at 35 ℃, placing the mixture in an oven for 5 hours at 55 ℃ after mixing to obtain plasticized wood fiber;
step three, preparing base material particles: mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fiber at 180 ℃ for 50min, cooling after mixing, cooling, crushing and preparing into substrate particles;
and step four, melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent, wherein the melting and injection molding temperature is 180 ℃, and the system pressure is 9 Mpa.
Example 3
The high-toughness polypropylene composite material provided by the embodiment comprises the following raw materials in parts by mass: 60 parts of polypropylene master batch, 30 parts of weather-resistant polyurethane, 30 parts of wood fiber, 6 parts of metal reinforcing agent, 10 parts of compatilizer, 3 parts of plasticizer, 2 parts of coupling agent and 0.5 part of anti-aging agent.
The weather-resistant polyurethane is polyether polyurethane containing an inorganic stabilizer, wherein the inorganic stabilizer is titanium dioxide and accounts for 3% of the weather-resistant polyurethane by mass.
The wood fiber is bamboo powder; the compatilizer is maleic anhydride grafted polypropylene; the plasticizer is phthalate; the coupling agent is titanate coupling agent; the metal reinforcing agent is boric acid aluminum oxide; the anti-aging agent is a mixture of an ultraviolet absorbent and an antioxidant according to the same mass fraction, and the ultraviolet absorbent is phenyl ortho-hydroxybenzoate; the antioxidant is antioxidant 1010.
The embodiment also provides a preparation process of the high-toughness polypropylene composite material, which comprises the following steps:
step one, preparing each base material: weighing the raw materials according to a process formula, and respectively crushing the raw materials into particles for later use;
step two, plasticizing the wood fiber: drying the wood fiber at 70 ℃ for 28h, mixing the dried wood fiber with a plasticizer in a high-speed mixer for 30min at the mixing temperature of 30 ℃, and placing the mixture in an oven for 4h at the oven temperature of 60 ℃ to obtain the plasticized wood fiber;
step three, preparing base material particles: mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fiber at 180 ℃ for 40min, cooling after mixing, cooling, crushing and preparing into substrate particles;
and step four, melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent, wherein the melting and injection molding temperature is 180 ℃, and the system pressure is 8 Mpa.
Example 4
The high-toughness polypropylene composite material provided by the embodiment comprises the following raw materials in parts by mass: 65 parts of polypropylene master batch, 35 parts of weather-resistant polyurethane, 25 parts of wood fiber, 8 parts of metal reinforcing agent, 12 parts of compatilizer, 4 parts of plasticizer, 4 parts of coupling agent and 0.8 part of anti-aging agent.
The weather-resistant polyurethane is polyether polyurethane containing an inorganic stabilizer, wherein the inorganic stabilizer is titanium dioxide and accounts for 4% of the weather-resistant polyurethane by mass.
The wood fiber is bamboo powder; the compatilizer is maleic anhydride grafted polypropylene; the plasticizer is benzene sulfonamide; the coupling agent is titanate coupling agent; the metal reinforcing agent is boric acid aluminum oxide; the anti-aging agent is a mixture of an ultraviolet absorber and an antioxidant according to the same mass fraction, wherein the ultraviolet absorber is 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 2- (2-hydroxy-3, 5 bis (a, a-dimethylbenzyl) phenyl) benzotriazole; the antioxidant is an antioxidant 1076.
The embodiment also provides a preparation process of the high-toughness polypropylene composite material, which comprises the following steps:
step one, preparing each base material: weighing the raw materials according to a process formula, and respectively crushing the raw materials into particles for later use;
step two, plasticizing the wood fiber: drying the wood fiber at 75 ℃ for 26h, mixing the dried wood fiber with a plasticizer in a high-speed mixer for 25min at the mixing temperature of 25 ℃, placing the mixture in an oven for 4h at the oven temperature of 65 ℃ to obtain plasticized wood fiber;
step three, preparing base material particles: mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fiber at 190 ℃ for 40min, cooling after mixing, cooling, crushing and preparing into substrate particles;
and step four, melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent, wherein the melting and injection molding temperature is 190 ℃, and the system pressure is 8 Mpa.
Example 5
The high-toughness polypropylene composite material provided by the embodiment comprises the following raw materials in parts by mass: 70 parts of polypropylene master batch, 40 parts of weather-resistant polyurethane, 30 parts of wood fiber, 10 parts of metal reinforcing agent, 15 parts of compatilizer, 5 parts of plasticizer, 5 parts of coupling agent and 1.0 part of anti-aging agent.
The weather-resistant polyurethane is polyether polyurethane containing an inorganic stabilizer, wherein the inorganic stabilizer is chromium oxide and accounts for 5% of the weather-resistant polyurethane by mass.
The wood fiber is kiwi fruit branch powder; the compatilizer is maleic anhydride grafted polypropylene; the plasticizer is phthalate; the coupling agent is titanate coupling agent; the metal reinforcing agent is nano zinc oxide; the anti-aging agent is a mixture of an ultraviolet absorbent and an antioxidant according to the same mass fraction, wherein the ultraviolet absorbent is 2-hydroxy-4-methoxybenzophenone; the antioxidant is antioxidant 1010.
The embodiment also provides a preparation process of the high-toughness polypropylene composite material, which comprises the following steps:
step one, preparing each base material: weighing the raw materials according to a process formula, and respectively crushing the raw materials into particles for later use;
step two, plasticizing the wood fiber: drying the wood fiber at 80 ℃ for 24 hours, mixing the dried wood fiber with a plasticizer in a high-speed mixer for 20min at the mixing temperature of 20 ℃, placing the mixture in an oven for 3 hours at the oven temperature of 70 ℃ to obtain plasticized wood fiber;
step three, preparing base material particles: mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fiber at the mixing temperature of 200 ℃ for 30min, cooling after mixing, cooling, crushing and preparing into substrate particles;
and step four, melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent at the temperature of 200 ℃ and the system pressure of 6 Mpa.
The performance of the high-toughness polypropylene composite materials prepared in the above examples 1 to 5 was tested according to the method of GB/T12670-2008, and the test results are as follows:
the test results were as follows:
TABLE 1 test results
| Test results | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 |
| Tensile yield stress Mpa | 120 | 126 | 135 | 130 | 128 |
| Flexural modulus Mpa | 1756 | 1760 | 1772 | 1765 | 1759 |
| Breaking strength N/mm | 85 | 88 | 92 | 90 | 89 |
| Tear Strength N | 534 | 538 | 545 | 540 | 536 |
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The high-toughness polypropylene composite material is characterized by comprising the following raw materials in parts by mass: 50-70 parts of polypropylene master batch, 30-40 parts of weather-resistant polyurethane, 20-30 parts of wood fiber, 4-10 parts of metal reinforcing agent, 5-15 parts of compatilizer, 1-5 parts of plasticizer, 1-5 parts of coupling agent and 0.2-1.0 part of anti-aging agent.
2. The high-toughness polypropylene composite material according to claim 1, wherein the polypropylene composite material comprises the following raw materials in parts by mass: 60 parts of polypropylene master batch, 30 parts of weather-resistant polyurethane, 30 parts of wood fiber, 6 parts of metal reinforcing agent, 10 parts of compatilizer, 3 parts of plasticizer, 2 parts of coupling agent and 0.5 part of anti-aging agent.
3. The high-toughness polypropylene composite material according to claim 1, wherein the weather-resistant polyurethane is polyether polyurethane containing an inorganic stabilizer, the inorganic stabilizer is one of titanium dioxide, chromium oxide, zinc oxide and ferroferric oxide, and accounts for 1-5% of the weather-resistant polyurethane by mass.
4. The high tenacity polypropylene composite of claim 1 wherein the wood fiber is one of bamboo powder, kiwi branch powder, willow branch powder, abutilon powder; the compatilizer is maleic anhydride grafted polypropylene or acrylic acid grafted polypropylene; the plasticizer is one of benzene sulfonamide, phthalate and phosphate; the coupling agent is titanate coupling agent.
5. The high tenacity polypropylene composite of claim 1, wherein the metal reinforcing agent is nano zinc oxide or boric acid aluminum oxide; the anti-aging agent is a mixture of an ultraviolet absorbent and an antioxidant according to the same mass fraction, wherein the ultraviolet absorbent is one of phenyl ortho-hydroxybenzoate, 2, 4-dihydroxybenzophenone, 2-hydroxy-4-n-octoxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2- (2 '-hydroxy-5' -methylphenyl) benzotriazole and 2- (2-hydroxy-3, 5-bis (a, a-dimethylbenzyl) phenyl) benzotriazole; the antioxidant is one or more of antioxidant 1010, antioxidant 1076 and antioxidant 168.
6. The preparation process of the high-toughness polypropylene composite material is characterized by comprising the following steps of:
step one, preparing each base material: weighing the raw materials according to a process formula, and respectively crushing the raw materials into particles for later use;
step two, plasticizing the wood fiber: drying the wood fiber, and mixing the dried wood fiber with a plasticizer in a high-speed mixer to obtain plasticized wood fiber;
step three, preparing base material particles: mixing the polypropylene master batch, weather-resistant polyurethane, a compatilizer, a coupling agent and plasticized wood fiber, cooling after mixing, cooling, and crushing to prepare substrate particles;
and step four, melting, blending and injection molding the base material particles, the metal reinforcing agent and the anti-aging agent.
7. The preparation process of the high-toughness polypropylene composite material according to claim 6, wherein in the second step, the wood fiber is dried for 24-36 hours at 60-80 ℃, the mixing time is 20-40 min, the mixing temperature is 20-40 ℃, and the post-treatment mode after mixing is that the wood fiber is placed in an oven at 50-70 ℃ for 3-6 hours.
8. The preparation process of the high-toughness polypropylene composite material according to claim 6, wherein the mixing temperature in the third step is 170-200 ℃, and the mixing time is 30-60 min.
9. The preparation process of the high-toughness polypropylene composite material according to claim 6, wherein the melt injection temperature in the fourth step is 170-200 ℃, and the system pressure is 6-10 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355778.4A CN113072768A (en) | 2021-04-01 | 2021-04-01 | High-toughness polypropylene composite material and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355778.4A CN113072768A (en) | 2021-04-01 | 2021-04-01 | High-toughness polypropylene composite material and preparation process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113072768A true CN113072768A (en) | 2021-07-06 |
Family
ID=76614436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110355778.4A Pending CN113072768A (en) | 2021-04-01 | 2021-04-01 | High-toughness polypropylene composite material and preparation process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113072768A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368676A (en) * | 2022-09-21 | 2022-11-22 | 万华化学集团股份有限公司 | Runner masterbatch suitable for TPU (thermoplastic polyurethane), and preparation method and application thereof |
| CN115612210A (en) * | 2022-12-16 | 2023-01-17 | 汕头市精通实业有限公司 | Environment-friendly high-toughness polyolefin composition suitable for outer package of organic silicon product and preparation method thereof |
| CN115785532A (en) * | 2022-12-23 | 2023-03-14 | 福建冠中科技有限公司 | Biodegradable composite material packaging film and preparation method thereof |
| CN115873312A (en) * | 2022-12-30 | 2023-03-31 | 福建冠中科技有限公司 | Biodegradable buffer packaging composite material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103374218A (en) * | 2012-04-28 | 2013-10-30 | 滁州格美特科技有限公司 | Polyurethane composite material and preparation method and application thereof |
| CN103571213A (en) * | 2013-10-24 | 2014-02-12 | 合肥会通新材料有限公司 | Polypropylene composite material filled and strengthened by wood fiber for automotive upholstery and preparation method thereof |
| CN105462064A (en) * | 2015-12-09 | 2016-04-06 | 陕西科技大学 | Polypropylene/polyethylene/wood fiber composite and preparation method thereof |
-
2021
- 2021-04-01 CN CN202110355778.4A patent/CN113072768A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103374218A (en) * | 2012-04-28 | 2013-10-30 | 滁州格美特科技有限公司 | Polyurethane composite material and preparation method and application thereof |
| CN103571213A (en) * | 2013-10-24 | 2014-02-12 | 合肥会通新材料有限公司 | Polypropylene composite material filled and strengthened by wood fiber for automotive upholstery and preparation method thereof |
| CN105462064A (en) * | 2015-12-09 | 2016-04-06 | 陕西科技大学 | Polypropylene/polyethylene/wood fiber composite and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368676A (en) * | 2022-09-21 | 2022-11-22 | 万华化学集团股份有限公司 | Runner masterbatch suitable for TPU (thermoplastic polyurethane), and preparation method and application thereof |
| CN115368676B (en) * | 2022-09-21 | 2024-02-27 | 万华化学集团股份有限公司 | Flow line master batch suitable for TPU, preparation method and application thereof |
| CN115612210A (en) * | 2022-12-16 | 2023-01-17 | 汕头市精通实业有限公司 | Environment-friendly high-toughness polyolefin composition suitable for outer package of organic silicon product and preparation method thereof |
| CN115785532A (en) * | 2022-12-23 | 2023-03-14 | 福建冠中科技有限公司 | Biodegradable composite material packaging film and preparation method thereof |
| CN115873312A (en) * | 2022-12-30 | 2023-03-31 | 福建冠中科技有限公司 | Biodegradable buffer packaging composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113072768A (en) | High-toughness polypropylene composite material and preparation process thereof | |
| KR101383621B1 (en) | Recycled polypropylene polymer composite materal composition with improved tensile strength and flexural rigidity and manufacturing method thereof | |
| CN106883542A (en) | A kind of heat-resisting antistatic regeneration HIPS of super high impact is material modified and preparation method thereof | |
| CN108530854B (en) | Preparation method of straw powder-PLA wood-plastic composite material | |
| CN108219384A (en) | A kind of fiber reinforcement master batch and preparation method thereof and a kind of reinforcing material | |
| Yuan et al. | Flax fibers as reinforcement in poly (lactic acid) biodegradable composites | |
| Sanusi et al. | Influence of wood ash on the mechanical properties of polymer matrix composite developed from fibre glass and epoxy resin | |
| KR101325584B1 (en) | A thermoplastic resin composite composition for long fiber reinforced thermoplastic | |
| CN103980509B (en) | It is a kind of to improve the method for fiber reinforced thermolplastic composite material interface performance | |
| CN107501718B (en) | Reinforced modified polypropylene reclaimed material and preparation method thereof | |
| CN104163983A (en) | Ramie fiber-reinforced polypropylene composite material and preparation process thereof | |
| CN109456534A (en) | A kind of polypropylene material and preparation method thereof of high temperature resistant creep | |
| CN108384267A (en) | A kind of Polypropylene wood-plastic composite material and preparation method thereof | |
| CN107474441B (en) | Modified polyvinyl chloride material | |
| CN107383744A (en) | A kind of waste household appliances polypropylene modified material and preparation method thereof | |
| CN108530786B (en) | Anti-aging HIPS foamed plastic and preparation method thereof | |
| CN107446348A (en) | A kind of high-performance long fiber reinforced nylon composite material and preparation method thereof | |
| CN109337168A (en) | A kind of modification regeneration material and preparation method thereof for producing black mulch film | |
| CN106700231A (en) | Alkali-free glass fiber modified polypropylene recycling material and preparation method of alkali-free glass fiber modified polypropylene recycling material | |
| EP0659824A1 (en) | Composites of thermoplastic polyester and thermoplastic polyesterelastomer without the use of an adhesion layer | |
| Othman et al. | Effect of Trans-Polyoctylene Rubber on the Polypropylene/Recycled Acrylonitrile Butadiene Rubber/Empty Fruit Bunch Composites | |
| CN111995838A (en) | Modified and regenerated ABS/HIPS (acrylonitrile-butadiene-styrene/high impact polystyrene) blend material by utilizing ionic crosslinking and preparation method thereof | |
| CN107540935A (en) | A kind of polypropylene reclaimed material composition and preparation method thereof | |
| CN111690205A (en) | Novel flame-retardant modified plastic and production process thereof | |
| CN106700237A (en) | Enhanced modified polypropylene reclaimed 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210706 |