CN110776693A - High-heat-preservation environment-friendly packaging box material and preparation method thereof - Google Patents
High-heat-preservation environment-friendly packaging box material 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
- C08L23/12—Polypropene
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- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- 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
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Abstract
The invention discloses a high-heat-preservation environment-friendly packaging box material which comprises the following raw materials: the packaging box material is prepared from polypropylene, polyamide, isopropanol, acetone, glass fiber, nano titanium dioxide, erucamide, ethylene-1-octene copolymer, gamma-mercaptopropyltrimethoxysilane, diethyl phthalate, pentaerythritol oleate, chromium oxide, hydroxyethyl diethylenetriamine, 1, 6-dicyandiamide ethyl guanidine ethane, lauroyl peroxide, ethylene glycol bis-succinate 2-methyl amyl ester sodium sulfonate and tetramethyl thiourea, and is prepared by the steps of mixing, drying, remixing, granulating, injection molding and the like. The packaging box material disclosed by the invention has good performances of antibiosis, stretching, heat preservation, flame retardance and the like, is environment-friendly, and can meet the requirements of popularization and application.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of logistics packaging, and particularly relates to a high-heat-preservation environment-friendly packaging box material and a preparation method thereof.
[ background of the invention ]
With the rapid development of social economy and the wide application of the internet, the logistics industry is rapidly developed, and the high-speed development of the packaging industry is driven. Meanwhile, along with the improvement of living standard of people, the requirement on product packaging is higher and higher, so that the requirement on the safety of the product packaging is more strict, the safety of transportation is ensured, the safety of articles is ensured, and unnecessary loss is reduced.
At present, a packing box made of polypropylene materials is used mostly, and the packing box has the characteristics of convenience in use, good flame retardance and the like, but has the following two defects: (1) breed the bacterium easily in the use, influence the safety in utilization, in addition in the commodity circulation transportation, because the airtight and the high temperature in transportation space, so, accelerate the bacterium on the packing box and breed further, more be unfavorable for safe handling. (2) The heat preservation performance is poor.
Chinese patent application document 'a flame-retardant packaging box material and a preparation method thereof (application publication No. CN 105968560A)' discloses a packaging box material, which is prepared from the following components in parts by weight: 20-40 parts of polyamide, 40-60 parts of polypropylene, 4-8 parts of glass fiber, 2-5 parts of nano titanium dioxide, 1-3 parts of erucamide, 1-3 parts of ethylene-1-octene copolymer, 1-2 parts of gamma-aminopropyltriethoxysilane, 1-3 parts of gamma-mercaptopropyltrimethoxysilane, 0.5-1 part of diethyl phthalate, 2-5 parts of pentaerythritol oleate, 1-3 parts of chromium sesquioxide, 0.2-0.4 part of phosphite ester, 0.2-0.5 part of dodecyl alcohol ester, 30-50 parts of acetone and 20-40 parts of isopropanol. The packaging box material disclosed by the invention has good flame retardant performance and the like, but has the problem of poor heat preservation and antibacterial performance and the like.
[ summary of the invention ]
Aiming at solving the problem that the packing box material prepared by the prior art has poor performances such as heat preservation, antibiosis and the like, the invention improves the performances such as heat preservation, antibiosis and the like of the packing box material by optimizing the composition, the dosage, the preparation process parameters and the like of raw materials so as to meet the popularization and application requirements in the field of logistics packing.
In order to solve the technical problems, the invention adopts the following technical scheme:
a high-heat-preservation environment-friendly packaging box material comprises the following raw materials in parts by weight: 92-115 parts of polypropylene, 43-74 parts of polyamide, 36-50 parts of isopropanol, 52-68 parts of acetone, 10-13 parts of glass fiber, 6-9 parts of nano titanium dioxide, 4-7 parts of erucamide, 6-10 parts of ethylene-1-octene copolymer, 2-5 parts of gamma-mercaptopropyltrimethoxysilane, 3-6 parts of diethyl phthalate, 4-7 parts of pentaerythritol oleate, 2-4 parts of chromium sesquioxide, 1.6-2.5 parts of hydroxyethyl diethylenetriamine, 0.7-1 part of 1, 6-dicyandiamide ethane, 0.3-0.5 part of lauroyl peroxide, 1.8-3.2 parts of ethylene glycol bis-succinate sodium 2-methylpentyl ester sulfonate and 0.4-0.7 part of tetramethylthiourea.
As further illustration of the invention, the high-heat-preservation environment-friendly packaging box material comprises the following raw materials in parts by weight: 106 parts of polypropylene, 56 parts of polyamide, 45 parts of isopropanol, 57 parts of acetone, 12 parts of glass fiber, 8 parts of nano titanium dioxide, 6 parts of erucamide, 8 parts of ethylene-1-octene copolymer, 4 parts of gamma-mercaptopropyltrimethoxysilane, 5 parts of diethyl phthalate, 6 parts of pentaerythritol oleate, 3 parts of chromium sesquioxide, 2 parts of hydroxyethyl diethylenetriamine, 0.9 part of 1, 6-dicyandiamide ethyl ethane, 0.4 part of lauroyl peroxide, 2.7 parts of ethylene glycol bis succinic acid 2-methyl amyl ester sodium sulfonate and 0.6 part of tetramethyl thiourea.
As a further explanation of the invention, the high-heat-preservation environment-friendly packaging box material also comprises the following raw materials: polylactic acid.
As further illustration of the invention, the high-heat-preservation environment-friendly packaging box material takes parts by weight as unit, and the polylactic acid accounts for 2-5 parts.
The invention also provides a preparation method of the high-heat-preservation environment-friendly packaging box material, which comprises the following steps:
(1) mixing gamma-mercaptopropyl-trimethoxysilane, isopropanol and acetone, and stirring for 6-15min by using a magnetic stirrer to prepare a mixture a;
(2) adding glass fiber, nano titanium dioxide and chromium oxide into the mixture a prepared in the step (1), stirring for 12-17min at the temperature of 72-76 ℃, and standing to prepare a mixture b;
(3) filtering the mixture b prepared in the step (2), and drying the obtained filter in a drying oven at the temperature of 93-95 ℃ to obtain a dried substance;
(4) putting the dried substance prepared in the step (3) and the rest raw materials into a stirrer, and stirring at the rotation speed of 200-300r/min for 20-26min to prepare a mixture c;
(5) adding the mixture c prepared in the step (4) into a double-screw extruder, and performing extrusion granulation at the screw rotating speed of 250-300r/min to prepare particles;
(6) and (5) performing injection molding on the particles prepared in the step (5) by using an injection molding machine to prepare the high-heat-preservation environment-friendly packaging box material.
As a further explanation of the invention, the rotation speed of the magnetic stirrer in the step (1) is 200-300 r/min.
As a further illustration of the invention, the standing time in step (2) is 2-2.5 h.
As a further explanation of the present invention, the temperature for the drying in the step (3) is 93 to 95 ℃.
As a further illustration of the present invention, the extrusion temperature in step (5) is 203-218 ℃.
As a further illustration of the present invention, the injection molding conditions in step (6): injection molding is carried out at the temperature of 200 ℃ and 220 ℃ and the injection pressure of 75-85 MPa.
The invention has the following beneficial effects:
(1) the polylactic acid used in the raw materials of the packaging box material prepared by the invention can generate an acidic environment after hydrolysis, and the acidic environment can effectively inhibit the enzymatic activity of bacteria, so that the growth of the bacteria is inhibited, the bacteria can be inhibited or killed, and the antibacterial performance of the packaging box material is improved.
(2) The heat conductivity coefficient of the packaging box material is far lower than that of the packaging box material prepared by the prior art, and is at least lower than 48.5 percent; the tensile strength and the antibacterial rate of the packing box material are at least higher than 20.6% and 13.9% respectively, which shows that the packing box material has better performance than the packing box material prepared by the prior art.
(3) The hydroxyethyl diethylenetriamine, the 1, 6-dicyandiamide-based ethane, the lauroyl peroxide, the ethylene glycol gemini sodium 2-methylpentyl ester succinate and the tetramethyl thiourea are adopted to play a synergistic role in preparing the packaging box material, and the tensile strength and the heat insulation performance of the packaging box material are synergistically improved.
(4) The packaging box material disclosed by the invention has good flame retardant property, is environment-friendly and can meet the requirements of popularization and application.
[ detailed description ] embodiments
In order to facilitate a better understanding of the invention, the following examples are given to illustrate, but not to limit the scope of the invention.
In the embodiment, the high-heat-preservation environment-friendly packaging box material comprises the following raw materials in parts by weight: 92-115 parts of polypropylene, 43-74 parts of polyamide, 36-50 parts of isopropanol, 52-68 parts of acetone, 10-13 parts of glass fiber, 6-9 parts of nano titanium dioxide, 4-7 parts of erucamide, 6-10 parts of ethylene-1-octene copolymer, 2-5 parts of gamma-mercaptopropyltrimethoxysilane, 3-6 parts of diethyl phthalate, 4-7 parts of pentaerythritol oleate, 2-4 parts of chromium sesquioxide, 2-5 parts of polylactic acid, 1.6-2.5 parts of hydroxyethyl diethylenetriamine, 0.7-1 part of 1, 6-dicyandiamide, 0.3-0.5 part of lauroyl peroxide, 1.8-3.2 parts of ethylene glycol bis 2-methyl amyl succinate sodium sulfonate and 0.4-0.7 part of tetramethyl thiourea;
the preparation method of the high-heat-preservation environment-friendly packaging box material comprises the following steps:
(1) mixing gamma-mercaptopropyltrimethoxysilane, isopropanol and acetone, and stirring for 6-15min by using a magnetic stirrer at the rotating speed of 200-300r/min to prepare a mixture a;
(2) adding glass fiber, nano titanium dioxide and chromium oxide into the mixture a prepared in the step (1), stirring for 12-17min at the temperature of 72-76 ℃, and standing for 2-2.5h to prepare a mixture b;
(3) filtering the mixture b prepared in the step (2), and drying the obtained filter in a drying oven at the temperature of 93-95 ℃ to obtain a dried substance;
(4) putting the dried substance prepared in the step (3) and the rest raw materials into a stirrer, and stirring at the rotation speed of 200-300r/min for 20-26min to prepare a mixture c;
(5) adding the mixture c prepared in the step (4) into a double-screw extruder, and performing extrusion granulation at the screw rotation speed of 250-;
(6) and (3) performing injection molding on the particles prepared in the step (5) by an injection molding machine at the temperature of 200-.
The present invention is illustrated by the following more specific examples.
Example 1
A high-heat-preservation environment-friendly packaging box material comprises the following raw materials in parts by weight: 106 parts of polypropylene, 56 parts of polyamide, 45 parts of isopropanol, 57 parts of acetone, 12 parts of glass fiber, 8 parts of nano titanium dioxide, 6 parts of erucamide, 8 parts of ethylene-1-octene copolymer, 4 parts of gamma-mercaptopropyltrimethoxysilane, 5 parts of diethyl phthalate, 6 parts of pentaerythritol oleate, 3 parts of chromium sesquioxide, 4 parts of polylactic acid, 2 parts of hydroxyethyl diethylenetriamine, 0.9 part of 1, 6-dicyandiamide ethyl, 0.4 part of lauroyl peroxide, 2.7 parts of ethylene glycol bis-succinate 2-methyl amyl ester sodium sulfonate and 0.6 part of tetramethyl thiourea;
the preparation method of the high-heat-preservation environment-friendly packaging box material comprises the following steps:
(1) mixing gamma-mercaptopropyltrimethoxysilane, isopropanol and acetone, and stirring for 12min by using a magnetic stirrer at the rotating speed of 300r/min to prepare a mixture a;
(2) adding glass fiber, nano titanium dioxide and chromium oxide into the mixture a prepared in the step (1), stirring for 15min at the temperature of 75 ℃, and standing for 2.3h to prepare a mixture b;
(3) filtering the mixture b prepared in the step (2), and putting the obtained filter into an oven, and drying at the temperature of 94 ℃ to obtain a dried substance;
(4) putting the dried substance prepared in the step (3) and the rest raw materials into a stirrer, and stirring at the rotating speed of 300r/min for 20min to prepare a mixture c;
(5) adding the mixture c prepared in the step (4) into a double-screw extruder, and performing extrusion granulation at the screw rotating speed of 300r/min and the extrusion temperature of 215 ℃ to prepare particles;
(6) and (4) performing injection molding on the particles prepared in the step (5) by using an injection molding machine at the temperature of 214 ℃ and the injection pressure of 82MPa to prepare the high-heat-preservation environment-friendly packaging box material.
Example 2
A high-heat-preservation environment-friendly packaging box material comprises the following raw materials in parts by weight: 94 parts of polypropylene, 45 parts of polyamide, 37 parts of isopropanol, 55 parts of acetone, 10 parts of glass fiber, 6 parts of nano titanium dioxide, 4 parts of erucamide, 6 parts of ethylene-1-octene copolymer, 2 parts of gamma-mercaptopropyl trimethoxy silane, 3 parts of diethyl phthalate, 4 parts of pentaerythritol oleate, 2 parts of chromium sesquioxide, 2 parts of polylactic acid, 1.8 parts of hydroxyethyl diethylenetriamine, 0.7 part of 1, 6-dicyandiamide guanidine ethane, 0.3 part of lauroyl peroxide, 2 parts of ethylene glycol bis (succinate) 2-methyl amyl ester sodium sulfonate and 0.4 part of tetramethyl thiourea;
the preparation method of the high-heat-preservation environment-friendly packaging box material comprises the following steps:
(1) mixing gamma-mercaptopropyltrimethoxysilane, isopropanol and acetone, and stirring for 15min at the rotating speed of 200r/min by using a magnetic stirrer to prepare a mixture a;
(2) adding glass fiber, nano titanium dioxide and chromium oxide into the mixture a prepared in the step (1), stirring for 16min at the temperature of 72 ℃, and standing for 2h to prepare a mixture b;
(3) filtering the mixture b prepared in the step (2), and putting the obtained filter into a drying oven, and drying at the temperature of 93 ℃ to prepare a dried substance;
(4) putting the dried substance prepared in the step (3) and the rest raw materials into a stirrer, and stirring for 22min at the rotation speed of 200r/min to prepare a mixture c;
(5) adding the mixture c prepared in the step (4) into a double-screw extruder, and performing extrusion granulation at the screw rotating speed of 260r/min and the extrusion temperature of 206 ℃ to prepare particles;
(6) and (3) performing injection molding on the particles prepared in the step (5) by using an injection molding machine at the temperature of 204 ℃ and the injection pressure of 77MPa to prepare the high-heat-preservation environment-friendly packaging box material.
Example 3
A high-heat-preservation environment-friendly packaging box material comprises the following raw materials in parts by weight: 112 parts of polypropylene, 70 parts of polyamide, 48 parts of isopropanol, 65 parts of acetone, 12 parts of glass fiber, 9 parts of nano titanium dioxide, 7 parts of erucamide, 9 parts of ethylene-1-octene copolymer, 5 parts of gamma-mercaptopropyltrimethoxysilane, 6 parts of diethyl phthalate, 7 parts of pentaerythritol oleate, 4 parts of chromium sesquioxide, 5 parts of polylactic acid, 2.3 parts of hydroxyethyl diethylenetriamine, 0.9 part of 1, 6-dicyandiamide ethyl, 0.5 part of lauroyl peroxide, 3 parts of ethylene glycol bis-succinate 2-methyl amyl ester sodium sulfonate and 0.7 part of tetramethyl thiourea;
the preparation method of the high-heat-preservation environment-friendly packaging box material comprises the following steps:
(1) mixing gamma-mercaptopropyltrimethoxysilane, isopropanol and acetone, and stirring for 7min by using a magnetic stirrer at the rotating speed of 300r/min to prepare a mixture a;
(2) adding glass fiber, nano titanium dioxide and chromium oxide into the mixture a prepared in the step (1), stirring for 15min at the temperature of 75 ℃, and standing for 2.3h to prepare a mixture b;
(3) filtering the mixture b prepared in the step (2), and putting the obtained filter into an oven, and drying at the temperature of 94 ℃ to obtain a dried substance;
(4) putting the dried substance prepared in the step (3) and the rest raw materials into a stirrer, and stirring for 23min at the rotating speed of 250r/min to prepare a mixture c;
(5) adding the mixture c prepared in the step (4) into a double-screw extruder, and carrying out extrusion granulation at the screw rotating speed of 300r/min and the extrusion temperature of 214 ℃ to prepare particles;
(6) and (3) performing injection molding on the particles prepared in the step (5) by using an injection molding machine at the temperature of 215 ℃ and the injection pressure of 80MPa to prepare the high-heat-preservation environment-friendly packaging box material.
Comparative example 1
The preparation process is basically the same as that of the example 1, except that the raw materials for preparing the high-heat-preservation environment-friendly packing box material lack polylactic acid.
Comparative example 2
The preparation process is basically the same as that of example 1, except that hydroxyethyl diethylenetriamine, 1, 6-dicyandiamide, lauroyl peroxide, ethylene glycol bis succinic acid 2-methyl amyl ester sodium sulfonate and tetramethyl thiourea are absent in the raw materials for preparing the high-heat-preservation environment-friendly packing box material.
Comparative example 3
The preparation process is basically the same as that of the example 1, except that hydroxyethyl diethylenetriamine is absent in the raw materials for preparing the high-heat-preservation environment-friendly packing box material.
Comparative example 4
The preparation process is basically the same as that of the example 1, except that the raw materials for preparing the high-heat-preservation environment-friendly packing box material lack 1, 6-dicyandiamide guanidine ethane.
Comparative example 5
The preparation process is basically the same as that of the example 1, except that the raw materials for preparing the high-heat-preservation environment-friendly packing box material lack lauroyl peroxide.
Comparative example 6
The preparation process is basically the same as that of the example 1, except that the raw materials for preparing the high-heat-preservation environment-friendly packing box material lack the ethylene glycol gemini sodium 2-methyl amyl succinate sulfonate.
Comparative example 7
The preparation process is basically the same as that of the example 1, except that tetramethyl thiourea is absent in the raw materials for preparing the high-heat-preservation environment-friendly packing box material.
Comparative example 8
The packing box material was prepared by the method of example 5 of the Chinese patent document "a flame retardant packing box material and its preparation method (application publication No. CN 105968560A)".
The packaging box materials prepared in the above examples 1 to 3 and comparative examples 1 to 8 were subjected to the test of thermal conductivity, tensile strength and antibacterial rate, and the test results are shown in the following table.
。
Note: the heat conductivity coefficient test is carried out by GB/T3139-2005, the tensile strength test is carried out according to GB/T1040 (I-type spline), and the antibacterial test is carried out by GB/T31402-2015.
From the above table, it can be seen that:
(1) as can be seen from the data of examples 1-3, the combination of the thermal conductivity, tensile strength and antibacterial ratio obtained in example 1 is the best, so that example 1 is the most preferred example.
(2) As can be seen from the data of the example 1 and the comparative examples 2 to 7, the hydroxyethyl diethylenetriamine, the 1, 6-dicyandiamide-guanidine ethane, the lauroyl peroxide, the ethylene glycol bis-sodium 2-methylpentyl succinate sulfonate and the tetramethyl thiourea play a synergistic role in preparing the packaging box material, and the tensile strength and the heat insulation performance of the packaging box material are synergistically improved; the 1, 6-dicyandiamide and the hydroxyethyl diethylenetriamine are initiated to generate a cross-linking curing reaction under the action of the lauroyl peroxide to generate the sealant, and the generated sealant and the ethylene glycol bis-2-methyl amyl sulfosuccinate sodium are further bonded and cured under the promotion action of the tetramethylthiourea, so that the tensile strength of the packaging box material is improved, the heat conductivity coefficient of the packaging box material is reduced, and the heat insulation performance is further improved.
(3) As can be seen from the data of the example 1 and the comparative example 1, the lack of polylactic acid in the raw materials greatly affects the improvement of the antibacterial rate, which reaches 13.4%, and the polylactic acid may generate an acidic environment after hydrolysis, and the acidic environment can effectively inhibit the enzymatic activity of bacteria, thereby inhibiting the growth of the bacteria, further inhibiting or killing the bacteria, and improving the antibacterial performance of the packaging box material.
(4) As can be seen from the data of examples 1-3 and comparative example 8 (prior art), the thermal conductivity of the packaging box materials of examples 1-3 is much lower than that of comparative example 8, at least lower than 48.5%, indicating that the thermal insulation performance of the packaging box materials of examples 1-3 is higher; the tensile strength and the antibacterial rate of the packing box materials of examples 1 to 3 are higher than those of the packing box material of comparative example 8, and are respectively at least higher than 20.6 percent and 13.9 percent, which shows that the packing box material of the invention has better performance than the packing box material prepared by the prior art.
The above description should not be taken as limiting the invention to the specific embodiments, but rather, as will be readily apparent to those skilled in the art to which the invention pertains, numerous simplifications or substitutions may be made without departing from the spirit of the invention, which should be construed to fall within the scope of the invention as defined in the claims appended hereto.
Claims (10)
1. The high-heat-insulation environment-friendly packaging box material is characterized by comprising the following raw materials in parts by weight: 92-115 parts of polypropylene, 43-74 parts of polyamide, 36-50 parts of isopropanol, 52-68 parts of acetone, 10-13 parts of glass fiber, 6-9 parts of nano titanium dioxide, 4-7 parts of erucamide, 6-10 parts of ethylene-1-octene copolymer, 2-5 parts of gamma-mercaptopropyltrimethoxysilane, 3-6 parts of diethyl phthalate, 4-7 parts of pentaerythritol oleate, 2-4 parts of chromium sesquioxide, 1.6-2.5 parts of hydroxyethyl diethylenetriamine, 0.7-1 part of 1, 6-dicyandiamide ethane, 0.3-0.5 part of lauroyl peroxide, 1.8-3.2 parts of ethylene glycol bis-succinate sodium 2-methylpentyl ester sulfonate and 0.4-0.7 part of tetramethylthiourea.
2. The high-heat-preservation environment-friendly packaging box material as claimed in claim 1, which is characterized by comprising the following raw materials in parts by weight: 106 parts of polypropylene, 56 parts of polyamide, 45 parts of isopropanol, 57 parts of acetone, 12 parts of glass fiber, 8 parts of nano titanium dioxide, 6 parts of erucamide, 8 parts of ethylene-1-octene copolymer, 4 parts of gamma-mercaptopropyltrimethoxysilane, 5 parts of diethyl phthalate, 6 parts of pentaerythritol oleate, 3 parts of chromium sesquioxide, 2 parts of hydroxyethyl diethylenetriamine, 0.9 part of 1, 6-dicyandiamide ethyl ethane, 0.4 part of lauroyl peroxide, 2.7 parts of ethylene glycol bis succinic acid 2-methyl amyl ester sodium sulfonate and 0.6 part of tetramethyl thiourea.
3. The high-heat-preservation environment-friendly packaging box material as claimed in claim 1 or 2, further comprising the following raw materials: polylactic acid.
4. The material for the high-temperature-preservation environment-friendly packaging box as claimed in claim 3, wherein the polylactic acid accounts for 2-5 parts by weight.
5. A method for preparing the high-heat-preservation environment-friendly packaging box material according to any one of claims 1 to 4, characterized by comprising the following steps of:
(1) mixing gamma-mercaptopropyl-trimethoxysilane, isopropanol and acetone, and stirring for 6-15min by using a magnetic stirrer to prepare a mixture a;
(2) adding glass fiber, nano titanium dioxide and chromium oxide into the mixture a prepared in the step (1), stirring for 12-17min at the temperature of 72-76 ℃, and standing to prepare a mixture b;
(3) filtering the mixture b prepared in the step (2), and drying the obtained filter in a drying oven at the temperature of 93-95 ℃ to obtain a dried substance;
(4) putting the dried substance prepared in the step (3) and the rest raw materials into a stirrer, and stirring at the rotation speed of 200-300r/min for 20-26min to prepare a mixture c;
(5) adding the mixture c prepared in the step (4) into a double-screw extruder, and performing extrusion granulation at the screw rotating speed of 250-300r/min to prepare particles;
(6) and (5) performing injection molding on the particles prepared in the step (5) by using an injection molding machine to prepare the high-heat-preservation environment-friendly packaging box material.
6. The method for preparing the material for the environment-friendly packaging box with high thermal insulation according to claim 5, wherein the rotation speed of the magnetic stirrer in the step (1) is 200-300 r/min.
7. The method for preparing the high-heat-preservation environment-friendly packaging box material as claimed in claim 5, wherein the standing time in the step (2) is 2-2.5 h.
8. The method for preparing the high-heat-preservation environment-friendly packaging box material as claimed in claim 5, wherein the drying temperature in the step (3) is 93-95 ℃.
9. The method for preparing the environment-friendly packaging box material with high thermal insulation according to claim 5, wherein the extrusion temperature in the step (5) is 203-218 ℃.
10. The method for preparing the high-heat-preservation environment-friendly packaging box material as claimed in claim 5, wherein the injection molding conditions in the step (6) are as follows: injection molding is carried out at the temperature of 200 ℃ and 220 ℃ and the injection pressure of 75-85 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072067.5A CN110776693A (en) | 2019-11-05 | 2019-11-05 | High-heat-preservation environment-friendly packaging box material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072067.5A CN110776693A (en) | 2019-11-05 | 2019-11-05 | High-heat-preservation environment-friendly packaging box material and preparation method thereof |
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