CN115612212A - Refrigerator drawer composite material with rock plate appearance effect and preparation method thereof - Google Patents
Refrigerator drawer composite material with rock plate appearance effect and preparation method thereof Download PDFInfo
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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
- C08L23/14—Copolymers of propene
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- 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
- C08K2003/2286—Oxides; Hydroxides of metals of silver
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- 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
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- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- 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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- 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
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- C08K2201/011—Nanostructured additives
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- 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
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Abstract
The invention discloses a refrigerator drawer composite material with a rock plate appearance effect, which comprises the following components in parts by weight: 50-70 parts of PP resin powder, 10-30 parts of toughening agent, 10-20 parts of marble powder, 5-10 parts of compatilizer, 0.5-2 parts of antibacterial agent mixture, 1-5 parts of functional assistant and 0.5-2 parts of pigment. According to the invention, the marble powder is added into the raw materials, so that the tensile strength and the bending strength of the prepared drawer body are improved; meanwhile, the raw materials are selected from the adaptive toughening agent and the compatible agent, so that the impact property of the prepared drawer body and the uniformity of a composite material can be ensured, and the appearance of the drawer body has a rock plate effect and is free of impurities; in addition, the raw materials are selected from the adaptive antibacterial agent mixture, so that the antibacterial rate of the drawer body can reach more than 99.9%, the antibacterial performance of the drawer body is greatly improved, the freshness and odor removing capability of the drawer on food is prolonged, and the application effect is remarkable.
Description
Technical Field
The invention relates to the technical field of refrigerator drawer materials, in particular to a refrigerator drawer composite material with a rock plate appearance effect and a preparation method thereof.
Background
Along with coordination and diversification of home appearances, the refrigerator is used as an important household appliance in life of people, the prior steel plate or glass appearance is abandoned by the appearance design, wood grain and rock plate effect appearances are more and more, particularly, the refrigerator with the rock plate effect appearance is more and more popular with users, and the appearance difference of the interior decoration of the refrigerator is urgent; the refrigerator drawer is used as an important part for storing and sealing food of the refrigerator, and is mainly white, gray and transparent colors at present, and the colors are the same as the whole color applied on the drawer at present and have poor visual sense.
The existing refrigerator drawer is widely made of polystyrene, styrene-acrylonitrile, acrylonitrile-butadiene-styrene copolymer and other materials, but with the continuous improvement of market and consumer demands, and the inherent defects of the styrene material, such as higher cost, chemical corrosion resistance and the like, the existing refrigerator drawer is gradually replaced by a polypropylene composite material, and the polypropylene material is low in price, light in weight, corrosion resistant, good in processability and mechanical balance, wide in application range, good in heat resistance and suitable for manufacturing and using the refrigerator drawer.
In the prior art, when polypropylene is used as a main material for manufacturing the refrigerator drawer composite material, the polypropylene has no antibacterial property, and the polypropylene and the inorganic antibacterial agent have poor compatibility, so that the refrigerator drawer composite material has poor antibacterial property, bacteria can be generated and propagated within a certain time, the sanitary condition of substances in a container is influenced, and the application of the inorganic antibacterial agent in household appliances such as refrigerators is limited.
Disclosure of Invention
The invention aims to provide a refrigerator drawer composite material with a rock plate appearance effect, which is used for solving the problem that the refrigerator drawer composite material is limited to have poor antibacterial performance due to poor compatibility of a polypropylene material and an inorganic antibacterial agent.
The purpose of the invention can be realized by the following technical scheme:
the refrigerator drawer composite material with the rock plate appearance effect comprises the following components in parts by weight:
50-70 parts of PP resin powder;
10-30 parts of a toughening agent;
10-20 parts of marble powder;
5-10 parts of a compatilizer;
0.5-2 parts of an antibacterial agent mixture;
1-5 parts of a functional assistant;
0.5-2 parts of pigment.
As a further scheme of the invention: the PP resin powder is random copolymerization PP, and the random copolymerization PP is prepared by simultaneously carrying out polymerization reaction on 1-4 wt% of ethylene molecules and 99-96 wt% of propylene molecules.
In the technical scheme, compared with PP homopolymer, the random copolymer improves optical property, is beneficial to increasing transparency, reducing haze, improving impact resistance, increasing flexibility and reducing melting temperature, thereby also reducing heat welding temperature, and is applied to the fields of blow molding, injection molding, extrusion molding, film and sheet extrusion processing.
As a further scheme of the invention: the toughening agent is an ethylene linear copolymer.
As a further scheme of the invention: the ethylene linear copolymer is an ethylene-vinyl acetate copolymer.
In the technical scheme, the ethylene-vinyl acetate copolymer has improved performance compared with polyethylene, mainly in the aspects of elasticity, flexibility, glossiness, air permeability and the like, and in addition, the environmental stress cracking resistance of the ethylene-vinyl acetate copolymer is improved, and the compatibility of the ethylene-vinyl acetate copolymer to the filler is increased.
As a further scheme of the invention: the marble powder is white limestone powder with black patterns, the particle size of the marble powder is 200-300 meshes of sieve, the white limestone powder with black patterns is adopted to improve the rock plate effect of the prepared material, and the marble powder is used for improving the thermal stability of the composite material in the preparation process.
As a further scheme of the invention: the compatilizer is polypropylene grafted maleic anhydride, and the maleic anhydride grafted polypropylene is added during the production of the filled polypropylene composite material, so that the affinity and the dispersibility of the composite filler and the polypropylene can be greatly improved, the dispersion of the composite filler in the polypropylene can be effectively enhanced, and the tensile strength and the impact strength of the filled polypropylene are improved.
As a further scheme of the invention: the antibacterial agent mixture is a silver-zinc composite antibacterial agent, wherein the weight ratio of the silver-series antibacterial agent to the zinc-series antibacterial agent is 2.
As a further scheme of the invention: the silver-based antibacterial agent is a nano silver oxide antibacterial agent; the zinc-based antibacterial agent is a nano zinc oxide antibacterial agent.
As a further scheme of the invention: the functional auxiliary agent is a compound system of a lubricant and an antioxidant; wherein, the weight ratio of the lubricant to the antioxidant is 3; the antioxidant is one or more of antioxidant 1010, antioxidant 1035 and antioxidant 1076.
The preparation method of the refrigerator drawer composite material with the rock plate appearance effect comprises the following steps:
(1) Weighing the following raw materials in percentage by weight: 50-70 parts of PP resin powder, 10-30 parts of toughening agent, 10-20 parts of marble powder, 5-10 parts of compatilizer, 0.5-2 parts of antibacterial agent mixture, 1-5 parts of functional assistant and 0.5-2 parts of pigment, wherein the marble powder is divided into two groups according to equal weight;
(2) Firstly, uniformly stirring and mixing the compatilizer, the antibacterial agent mixture, the functional assistant and the pigment to obtain an assistant mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 100-500r/min, adding a group of marble powder, stirring for 10 minutes, adding the auxiliary agent mixture obtained in the step (2), stirring for 5 minutes at the rotating speed of 1000-1500r/min, then adding another group of marble powder, and continuously stirring for 10 minutes at the rotating speed of 100-500r/min to obtain a composite material powdery mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 170-210 ℃;
(5) And (5) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain an injection molded drawer body, wherein the injection molding temperature is 180-220 ℃.
The invention has the beneficial effects that: according to the invention, the marble powder is added into the raw materials, so that the tensile strength and the bending strength of the prepared drawer body are improved; meanwhile, the raw materials are selected from the adaptive toughening agent and the compatible agent, so that the impact property of the prepared drawer body and the uniformity of the composite material can be ensured, and the appearance of the drawer body has a rock plate effect and is free of impurities; in addition, the raw materials are selected from the adaptive antibacterial agent mixture, so that the antibacterial rate of the drawer body can reach more than 99.9%, the antibacterial performance of the drawer body is greatly improved, the freshness and odor removing capability of the drawer on food is prolonged, and the application effect is remarkable.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is an effect diagram of the injection molded drawer body product of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention relates to a refrigerator drawer composite material with a rock plate appearance effect, which comprises the following components in parts by weight: 50 parts of PP resin powder, 30 parts of toughening agent, 10 parts of marble powder, 5 parts of compatilizer, 1 part of antibacterial agent mixture, 3 parts of functional assistant and 1 part of pigment.
Wherein the PP resin powder is random copolymerization PP which is prepared by simultaneously carrying out polymerization reaction on 1 weight percent of ethylene molecules and 99 weight percent of propylene molecules.
The toughening agent is ethylene-vinyl acetate copolymer.
The marble powder is white limestone powder with black patterns, and the particle size of the marble powder is 200 meshes of sieve.
The compatilizer is polypropylene grafted maleic anhydride.
The antibacterial agent mixture is a silver-zinc composite antibacterial agent, wherein the weight ratio of the silver-series antibacterial agent to the zinc-series antibacterial agent is 2.
The functional assistant is a compound system of a lubricant and an antioxidant; wherein, the weight ratio of the lubricant to the antioxidant is 3; the antioxidant is one or more of antioxidant 1010, antioxidant 1035 and antioxidant 1076.
The preparation method of the refrigerator drawer composite material with the rock plate appearance effect comprises the following steps:
(1) Weighing the following raw materials in percentage by weight: 50 parts of PP resin powder, 30 parts of toughening agent, 10 parts of marble powder, 5 parts of compatilizer, 1 part of antibacterial agent mixture, 3 parts of functional assistant and 1 part of pigment, wherein the marble powder is divided into two groups according to equal weight;
(2) Firstly, uniformly stirring and mixing the compatilizer, the antibacterial agent mixture, the functional assistant and the pigment to obtain an assistant mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 100r/min, adding a group of marble powder, stirring for 10 minutes, adding the auxiliary mixture obtained in the step (2), stirring for 5 minutes at the rotating speed of 1000r/min, then adding another group of marble powder, and continuously stirring for 10 minutes at the rotating speed of 100r/min to obtain a composite powdery mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 180 ℃;
(5) And (3) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain the injection molded drawer body shown in figure 1, wherein the injection molding temperature is 190 ℃.
Example 2
The invention relates to a refrigerator drawer composite material with a rock plate appearance effect, which comprises the following components in parts by weight: 60 parts of PP resin powder, 20 parts of toughening agent, 10 parts of marble powder, 5 parts of compatilizer, 1 part of antibacterial agent mixture, 3 parts of functional assistant and 1 part of pigment.
Wherein the PP resin powder is random copolymerization PP which is prepared by simultaneously carrying out polymerization reaction on 2 weight percent of ethylene molecules and 98 weight percent of propylene molecules.
The toughening agent is ethylene-vinyl acetate copolymer.
The marble powder is white limestone powder with black patterns, and the particle size of the marble powder is 300 meshes of sieve.
The compatilizer is polypropylene grafted maleic anhydride.
The antibacterial agent mixture is a silver-zinc composite antibacterial agent, wherein the weight ratio of the silver-series antibacterial agent to the zinc-series antibacterial agent is 2; the zinc-based antibacterial agent is a nano zinc oxide antibacterial agent.
The functional assistant is a compound system of a lubricant and an antioxidant; wherein, the weight ratio of the lubricant to the antioxidant is 3; the antioxidant is one or more of antioxidant 1010, antioxidant 1035 and antioxidant 1076.
The preparation method of the refrigerator drawer composite material with the rock plate appearance effect comprises the following steps:
(1) Weighing the following raw materials in percentage by weight: 60 parts of PP resin powder, 20 parts of toughening agent, 10 parts of marble powder, 5 parts of compatilizer, 1 part of antibacterial agent mixture, 3 parts of functional assistant and 1 part of pigment, wherein the marble powder is divided into two groups according to equal weight;
(2) Firstly, uniformly stirring and mixing the compatilizer, the antibacterial agent mixture, the functional assistant and the pigment to obtain an assistant mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 200r/min, adding a group of marble powder, stirring for 10 minutes, adding the auxiliary agent mixture obtained in the step (2), stirring for 5 minutes at the rotating speed of 1200r/min, then adding another group of marble powder, and continuously stirring for 10 minutes at the rotating speed of 300r/min to obtain a composite powdery mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 190 ℃;
(5) And (3) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain the injection molded drawer body shown in figure 1, wherein the injection molding temperature is 200 ℃.
Example 3
The invention relates to a refrigerator drawer composite material with a rock plate appearance effect, which comprises the following components in parts by weight: 70 parts of PP resin powder, 15 parts of toughening agent, 20 parts of marble powder, 10 parts of compatilizer, 1 part of antibacterial agent mixture, 3 parts of functional assistant and 1 part of pigment.
Wherein the PP resin powder is random copolymerization PP which is prepared by simultaneously carrying out polymerization reaction on 3 weight percent of ethylene molecules and 97 weight percent of propylene molecules.
The toughening agent is an ethylene-vinyl acetate copolymer.
The marble powder is white limestone powder with black patterns, and the particle size of the marble powder is 300 meshes of sieve.
The compatilizer is polypropylene grafted maleic anhydride.
The antibacterial agent mixture is a silver-zinc composite antibacterial agent, wherein the weight ratio of the silver-series antibacterial agent to the zinc-series antibacterial agent is 2; the zinc series antibacterial agent is a nano zinc oxide antibacterial agent.
The functional assistant is a compound system of a lubricant and an antioxidant; wherein, the weight ratio of the lubricant to the antioxidant is 3; the antioxidant is one or more of antioxidant 1010, antioxidant 1035 and antioxidant 1076.
The preparation method of the refrigerator drawer composite material with the rock plate appearance effect comprises the following steps:
(1) Weighing the following raw materials in percentage by weight: 70 parts of PP resin powder, 15 parts of toughening agent, 20 parts of marble powder, 10 parts of compatilizer, 1 part of antibacterial agent mixture, 3 parts of functional assistant and 1 part of pigment, wherein the marble powder is divided into two groups according to equal weight;
(2) Firstly, uniformly stirring and mixing the compatilizer, the antibacterial agent mixture, the functional assistant and the pigment to obtain an assistant mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 400r/min, adding a group of marble powder, stirring for 10 minutes, adding the auxiliary mixture obtained in the step (2), stirring for 5 minutes at the rotating speed of 1400r/min, then adding another group of marble powder, and continuously stirring for 10 minutes at the rotating speed of 400r/min to obtain a composite powdery mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 200 ℃;
(5) And (3) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain the injection molded drawer body shown in the figure 1, wherein the injection molding temperature is 210 ℃.
Comparative example 1
Comparative example 1 is substantially the same as example 1, except that the components of comparative example 1 in parts by weight of the raw materials do not contain the antibacterial agent mixture and the marble powder, and the preparation method of the drawer rock plate effect composite material for the refrigerator of comparative example 1 comprises the following steps:
(1) Weighing the following raw materials in percentage by weight: 50 parts of PP resin powder, 30 parts of toughening agent, 5 parts of compatilizer, 3 parts of functional assistant and 1 part of pigment;
(2) Firstly, uniformly stirring and mixing the compatilizer, the functional additive and the pigment to obtain an additive mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 100r/min, adding the auxiliary mixture obtained in the step (2), and stirring for 5 minutes at the rotating speed of 1000r/min to obtain a composite material powder mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 180 ℃;
(5) And (5) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain an injection molded drawer body, wherein the injection molding temperature is 190 ℃.
Comparative example 2
Comparative example 2 is substantially the same as example 2, except that the components of comparative example 2 in parts by weight of the raw materials do not contain the antibacterial agent mixture, and the preparation method of the drawer rock plate effect composite material for the refrigerator of comparative example 2 comprises the following steps:
(1) Weighing the following raw materials in percentage by weight: 60 parts of PP resin powder, 20 parts of toughening agent, 10 parts of marble powder, 5 parts of compatilizer, 3 parts of functional assistant and 1 part of pigment, wherein the marble powder is divided into two groups according to equal weight;
(2) Firstly, uniformly stirring and mixing the compatilizer, the functional additive and the pigment to obtain an additive mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 200r/min, adding a group of marble powder, stirring for 10 minutes, adding the auxiliary agent mixture obtained in the step (2), stirring for 5 minutes at the rotating speed of 1200r/min, then adding another group of marble powder, and continuously stirring for 10 minutes at the rotating speed of 300r/min to obtain a composite powdery mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 190 ℃;
(5) And (5) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain an injection molded drawer body, wherein the injection molding temperature is 200 ℃.
Comparative example 3
Comparative example 3 is substantially the same as example 3, except that marble powder is not contained in the components of comparative example 3 in parts by weight, and the preparation method of the drawer rock plate effect composite material for the refrigerator of comparative example 3 comprises the following steps:
(1) Weighing the following raw materials in percentage by weight: 70 parts of PP resin powder, 15 parts of toughening agent, 10 parts of compatilizer, 1 part of antibacterial agent mixture, 3 parts of functional assistant and 1 part of pigment, wherein the marble powder is divided into two groups according to equal weight;
(2) Firstly, uniformly stirring and mixing the compatilizer, the antibacterial agent mixture, the functional assistant and the pigment to obtain an assistant mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 400r/min, adding the auxiliary agent mixture obtained in the step (2), and stirring for 5 minutes at the rotating speed of 1400r/min to obtain a composite material powder mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 200 ℃;
(5) And (5) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain an injection molded drawer body, wherein the injection molding temperature is 210 ℃.
The raw material formulation of the drawer rock plate effect composite materials for the refrigerators of examples 1 to 3 and comparative examples 1 to 3 are shown in table 1.
Table 1 shows the raw material ratio of the composite material with the effect of drawer rock plate for refrigerator
The drawer bodies obtained in examples 1 to 3 and comparative examples 1 to 3 were subjected to performance tests, wherein the mechanical tensile strength test was performed according to the national standard GB1040, the bending strength test was performed according to the national standard GB9341, the bending modulus test was performed according to the national standard GB9341, the notched impact strength test was performed according to the national standard GB1843, and the antibacterial test was performed according to GB21551.2 to 2010, and the test results are shown in table 2.
Table 2 shows the test results of the drawer body
According to analysis of the table 2, the mechanical properties of the embodiment 1-3 and the comparative example 1-3 are close, the drawer rock plate effect composite material for the refrigerator is suitable for preparing a drawer body, and the tensile strength and the bending strength of the prepared drawer body are improved by adding the marble powder into the raw materials; meanwhile, the raw materials are selected from the adaptive toughening agent and the compatible agent, so that the impact property of the prepared drawer body and the uniformity of the composite material can be ensured, and the appearance of the drawer body has a rock plate effect and is free of impurities; in addition, the raw materials are selected from the adaptive antibacterial agent mixture, so that the antibacterial rate of the drawer body can reach more than 99.9%, the antibacterial performance of the drawer body is greatly improved, the freshness and odor removing capability of the drawer on food is prolonged, and the application effect is remarkable.
Although one embodiment of the present invention has been described in detail, the description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. The refrigerator drawer composite material with the rock plate appearance effect is characterized by comprising the following components in parts by weight:
50-70 parts of PP resin powder;
10-30 parts of a toughening agent;
10-20 parts of marble powder;
5-10 parts of a compatilizer;
0.5-2 parts of an antibacterial agent mixture;
1-5 parts of a functional assistant;
0.5-2 parts of pigment.
2. The refrigerator drawer composite having a rock plate appearance effect according to claim 1, wherein the PP resin powder is random copolymerized PP prepared by simultaneously polymerizing ethylene molecules with a weight fraction of 1-4% and propylene molecules with a weight fraction of 99-96%.
3. The refrigerator drawer composite with rock-plate appearance effect of claim 1, wherein the toughening agent is an ethylene-based linear copolymer.
4. A refrigerator drawer composite with slate appearance effect according to claim 3 wherein the ethylene-based linear copolymer is ethylene vinyl acetate.
5. A refrigerator drawer composite with slate appearance effect according to claim 1 wherein the marble powder is white limestone powder with black patterns, the particle size of which is 200-300 mesh.
6. The refrigerator drawer composite with rock-plate appearance effect of claim 1, wherein the compatibilizer is polypropylene grafted maleic anhydride.
7. The refrigerator drawer composite with rock plate appearance effect of claim 1, wherein the antimicrobial mixture is a silver-zinc composite antimicrobial, wherein the weight ratio of silver-based antimicrobial to zinc-based antimicrobial is 2.
8. The refrigerator drawer composite with slate appearance effect of claim 7, wherein the silver-based antimicrobial is a nano silver oxide antimicrobial; the zinc-based antibacterial agent is a nano zinc oxide antibacterial agent.
9. The refrigerator drawer composite material with the rock plate appearance effect according to claim 1, wherein the functional auxiliary agent is a compound system of a lubricant and an antioxidant; wherein, the weight ratio of the lubricant to the antioxidant is 3; the antioxidant is one or more of antioxidant 1010, antioxidant 1035 and antioxidant 1076.
10. The preparation method of the refrigerator drawer composite material with the rock plate appearance effect is characterized by comprising the following steps of:
(1) Weighing the following raw materials in percentage by weight: 50-70 parts of PP resin powder, 10-30 parts of toughening agent, 10-20 parts of marble powder, 5-10 parts of compatilizer, 0.5-2 parts of antibacterial agent mixture, 1-5 parts of functional assistant and 0.5-2 parts of pigment, wherein the marble powder is divided into two groups according to equal weight;
(2) Firstly, uniformly stirring and mixing the compatilizer, the antibacterial agent mixture, the functional assistant and the pigment to obtain an assistant mixture;
(3) Putting PP resin powder and a toughening agent into a mixer, stirring for 2 minutes at the rotating speed of 100-500r/min, adding a group of marble powder, stirring for 10 minutes, adding the auxiliary agent mixture obtained in the step (2), stirring for 5 minutes at the rotating speed of 1000-1500r/min, then adding another group of marble powder, and continuously stirring for 10 minutes at the rotating speed of 100-500r/min to obtain a composite material powdery mixture;
(4) Extruding and granulating the composite material powder mixture obtained in the step (3) by using a double-screw extruder to obtain composite material particles, wherein the granulation temperature range is 170-210 ℃;
(5) And (5) placing the composite material particles obtained in the step (4) into an injection molding machine for casting molding to obtain an injection molded drawer body, wherein the injection molding temperature is 180-220 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211357961.9A CN115612212A (en) | 2022-11-01 | 2022-11-01 | Refrigerator drawer composite material with rock plate appearance effect and preparation method thereof |
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| CN202211357961.9A CN115612212A (en) | 2022-11-01 | 2022-11-01 | Refrigerator drawer composite material with rock plate appearance effect and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108156A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | Compound polypropylene material for refrigerator drawers and preparation method thereof |
| CN102838809A (en) * | 2012-09-26 | 2012-12-26 | 上海瀚氏模具成型有限公司 | Antibacterial polypropylene plastic and preparation method thereof |
| CN106915954A (en) * | 2017-03-21 | 2017-07-04 | 南通大明玉新材料科技有限公司 | A kind of preparation method of high-strength wearable ultranatural rock beam |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108156A (en) * | 2009-12-28 | 2011-06-29 | 上海日之升新技术发展有限公司 | Compound polypropylene material for refrigerator drawers and preparation method thereof |
| CN102838809A (en) * | 2012-09-26 | 2012-12-26 | 上海瀚氏模具成型有限公司 | Antibacterial polypropylene plastic and preparation method thereof |
| CN106915954A (en) * | 2017-03-21 | 2017-07-04 | 南通大明玉新材料科技有限公司 | A kind of preparation method of high-strength wearable ultranatural rock beam |
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