CN115594870A - Electric commercial high-buffer-performance inflatable packaging material - Google Patents

Electric commercial high-buffer-performance inflatable packaging material Download PDF

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CN115594870A
CN115594870A CN202211303643.4A CN202211303643A CN115594870A CN 115594870 A CN115594870 A CN 115594870A CN 202211303643 A CN202211303643 A CN 202211303643A CN 115594870 A CN115594870 A CN 115594870A
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parts
packing material
propenyl
performance
air
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陈青
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Yiwu Industrial and Commercial College
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/28—Treatment by wave energy or particle radiation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/244—Stepwise homogeneous crosslinking of one polymer with one crosslinking system, e.g. partial curing
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/246—Intercrosslinking of at least two polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/06—Polyamides derived from polyamines and polycarboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2401/08—Cellulose derivatives
    • C08J2401/10—Esters of organic acids
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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
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds

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Abstract

The invention relates to the field of inflatable packaging, in particular to an electric commercial high-buffering-performance inflatable packaging material; the method adopts nylon 66, acrylic acid-based montmorillonite, propenyl nanocellulose, vinyl ferrocene and benzophenone to prepare the high-buffer-performance gas-filled packaging material for the electric appliances; nylon 66, acrylic montmorillonite, propenyl nano cellulose and vinyl dicyclopentadienylThe iron interface is subjected to pre-crosslinking reaction under the pre-irradiation of electron beams, and then is continuously crosslinked in the high-temperature extrusion melting process in a double-screw extruder, so that the nylon 66, the acrylic acid-based montmorillonite and the propenyl nano cellulose are organically combined together, and the interfaces are combined through ionic bonds, so that the mechanical strength is improved; the yield strength of the electric commercial high-buffer-performance inflatable packaging material prepared by the invention is 78Mpa, and the impact strength is 8.5KJ/m 2 The bending strength is 51Mpa, and the mechanical property is good.

Description

Electric commercial high-buffer-performance inflatable packaging material
Technical Field
The invention relates to the field of inflatable packaging, in particular to an electric commercial high-buffering-performance inflatable packaging material.
Background
The packing gasbag wide application is in the commercial transportation trade of electricity, and the product can receive jolt the collision at the in-process of transportation, causes the product to damage easily. Therefore, the shockproof material is required to be wrapped on the periphery of the product when the product is loaded, the inflatable air bag for packaging is convenient to transport, and the air bag with the buffering function can be formed by inflating the shockproof material when the shockproof packaging bag is used, so that the shockproof packaging bag is more economical and quick than the shockproof packaging bag made of foam plastic.
Nylon is one of important high polymer materials in the packaging field, and compared with common nylon 6, nylon 66 has more excellent toughness and transparency, lower melting point and lower processing energy consumption, and is a packaging material with wide application prospect. However, the strength, barrier property and the like of the PA66 film at present need to be further improved to broaden the application range thereof to replace the conventional packaging material.
CN201810297401.6: the invention relates to a heat-sealable biaxially oriented nylon film and a preparation method thereof, wherein the heat-sealable biaxially oriented nylon film is of a three-layer structure consisting of a surface layer 1, a core layer and a surface layer 2. Wherein, the surface layer 1 is composed of the following raw materials: 70-100% of copolymerized nylon and 0-30% of nylon-6 resin; the core layer consists of 100% of nylon-6 resin; the surface layer 2 is composed of the following raw materials: 0 to 1 percent of anti-adhesion agent, 0 to 1 percent of slipping agent and 98 to 100 percent of nylon-6 resin. The heat-sealable biaxially oriented nylon film is formed by synchronous biaxial stretching after melt coextrusion and tape casting. The heat-sealing biaxially oriented nylon film prepared by the invention has the advantages of simple production process, uniform thickness of the heat-sealing layer, higher heat-sealing strength, environmental protection, no toxicity and capability of being used in the fields of food, medical treatment, electronic packaging and the like.
CN202011244432.9: the invention provides a biaxially oriented nylon material which comprises the following components in percentage by mass: 85 to 99.99 weight percent of polyamide 6 and 0.01 to 15 weight percent of phenol-amine bifunctional agent; the phenol-amine bifunctional agent has a chemical structure shown in formula I. According to the invention, the content of the phenol-amine bifunctional agent in the biaxially oriented nylon material is controlled, so that the phenol-amine bifunctional agent can fully exert the intramolecular antioxidant synergistic effect, the intramolecular electron transfer efficiency is greatly improved, the high-efficiency antioxidant stabilizing effect is achieved, and the thermo-oxidative stability of the biaxially oriented nylon material is further improved. The experimental results of the embodiment show that the biaxially oriented nylon material provided by the invention has excellent thermo-oxidative stability.
CN202011379824.6: the invention discloses a high-strength biaxially oriented nylon film and a preparation method thereof, which are prepared by three-layer co-extrusion, biaxial orientation and corona treatment in sequence, and comprise an upper surface layer, a core layer and a lower surface layer; the upper surface layer and the lower surface layer comprise 43.4 to 79.8 parts of nylon resin, 15 to 35 parts of high-viscosity nylon resin, 5 to 20 parts of nylon copolymer, 0.1 to 1 part of anti-bonding agent and 0.1 to 0.6 part of slipping agent by mass part; the core layer comprises 32-78 parts by mass of nylon resin, 15-40 parts by mass of high-viscosity nylon resin, 5-20 parts by mass of nylon copolymer and 2-8 parts by mass of nylon secondary material. The high-strength biaxially oriented nylon film prepared by the invention has the advantages of high strength, good flexibility and the like, and can meet the requirements of common packaging, aluminizing, compounding and other packaging. The invention can realize thinning and meet the use requirements of packaging and the like.
In the field of packaging, most nylon films are subjected to a biaxial stretching process so as to greatly improve the mechanical property and barrier property of the films. The biaxial stretching process will affect the microstructure of the nylon and the change in microstructure will further determine the macroscopic properties of the film. However, the current research at home and abroad is less related to the relationship among the biaxial stretching process, microstructure transformation and final performance of the PA66 film, and the application of the PA66 in the packaging field is greatly limited.
Disclosure of Invention
Technical problem
Therefore, in order to solve the problems, the invention provides the high-buffer-performance gas-filled packaging material for the electric appliances, which is prepared by adopting nylon 66, acrylic acid-based montmorillonite, propenyl nano-cellulose, vinyl ferrocene and benzophenone, so that the mechanical strength and the performance of the material are improved.
Technical scheme
According to one aspect of the invention, a method for preparing an electric commercial high-buffer-performance air-filled packing material is provided, which comprises the following operation steps:
s1: according to the mass parts, 125-150 parts of nylon 66, 12-17 parts of acrylic acid based montmorillonite, 1-5 parts of propenyl nano cellulose, 0.02-0.3 part of vinyl ferrocene and 0.07-0.32 part of benzophenone are added and premixed in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 10-15mA, the electron beam energy is 1.8-2.2Mev, and dynamically irradiating the initial sample on a flat car;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the electric commercial high-buffer-performance inflatable packaging material.
In some embodiments, wherein the drying temperature is 70-90 ℃ and the drying time is 10-15h.
In some embodiments, wherein the premixing time is 3-5min.
In some embodiments, wherein the extrusion rotation speed is 100-350rpm.
In some embodiments, wherein the feed rate is 5-10rpm.
In some embodiments, wherein the extrusion temperature is 190-230 ℃.
In another aspect of the present invention, a method for preparing acrylic acid based montmorillonite is provided:
weighing 65-80 parts of methanol and 5-20 parts of distilled water according to parts by mass, adding into a reaction kettle, adding 0.5-2.5 parts of acrylic group siloxane, adjusting the pH to 4-5.5 with glacial acetic acid, controlling the reaction temperature to be 50-60 ℃, reacting at constant temperature for 1-3h, heating to 80-90 ℃, adding 13-17 parts of sodium montmorillonite, reacting at constant temperature for 1-3h, cooling to room temperature, washing with methanol, and drying in an oven at 80-95 ℃ for 20-24h to obtain the acrylic group montmorillonite.
In some embodiments, wherein the acrylic siloxane is selected from the group consisting of methacryloxypropyltriethoxysilane (CAS number: 21142-29-0), 1-methyl-2- (trimethoxysilyl) ethyl methacrylate (CAS number: 51749-70-3), propoxytriethoxysilane methacrylate (CAS number: 51772-85-1).
In another aspect of the present invention, a method for preparing an acryl-based nanocellulose is provided:
weighing 7-10 parts of acryloyl chloride, 100-120 parts of dichloromethane and 2-5 parts of nano cellulose, adding 0.5-1.5 parts of pyridine, slowly stirring at 0-10 ℃, reacting for 5-8 hours, filtering and drying to obtain the propenyl nano cellulose.
In some embodiments, wherein the dynamic irradiation dose is 100-130kGy.
Mechanism of the invention
The interface of nylon 66, acrylic acid-based montmorillonite, propenyl nanocellulose and vinyl ferrocene is subjected to pre-crosslinking reaction under the pre-irradiation of electron beams, then is continuously crosslinked in the high-temperature extrusion melting process in a double-screw extruder, the nylon 66, the acrylic acid-based montmorillonite and the propenyl nanocellulose are organically combined together, and the interface is combined through ionic bonds, so that the mechanical strength is improved.
Advantageous effects
Compared with the prior art, the high-buffering-performance inflatable packaging material for electric commerce has the following remarkable advantages:
1. the interface of nylon 66, acrylic acid-based montmorillonite, propenyl nano-cellulose and vinyl ferrocene is subjected to pre-crosslinking reaction under the pre-irradiation of electron beams, then is continuously crosslinked in the high-temperature extrusion melting process of a double-screw extruder, the nylon 66, the acrylic acid-based montmorillonite and the propenyl nano-cellulose are organically combined together, and the interfaces are combined through ionic bonds, so that the mechanical strength is improved;
2. the yield strength of the electric commercial high-buffer-performance inflatable packaging material prepared by the invention is 78Mpa, and the impact strength is 8.5KJ/m 2 And the bending strength is 51Mpa, and the nylon has better mechanical property than the biaxial stretching nylon prepared by the prior art.
Detailed Description
The method of the present invention is illustrated by the following specific examples, but the present invention is not limited thereto, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
And (3) mechanical testing: tensile and impact test bars were prepared by injection molding, the bars were conditioned 23 ℃,50% rh for 48h. The tensile test was carried out according to GB/T1040 using 5 bars (type 1A, L.times.Wtimes.H = 150.times.10X 4 mm) at a tensile rate of 100mm/min; according to GB/T1843, impact tests were carried out using 9 bars (type 1A, L.times.Wtimes.H = 80. Times.10. Times.4 mm).
Example 1
An electric commercial high-buffer performance air-filled packing material comprises the following operation steps:
s1: adding 125kg of nylon 66, 12kg of acrylic acid montmorillonite, 1kg of propenyl nano cellulose, 0.02kg of vinyl ferrocene, and then adding 0.07kg of benzophenone, and premixing in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 10mA, the electron beam energy is 1.8Mev, and placing a primary sample on a flat car for dynamic irradiation;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the high-buffer-performance inflatable packaging material for electric commerce.
The drying temperature is 70 ℃, and the drying time is 10h.
The premixing time is 3min.
The extrusion speed was 100rpm.
The feed rate was 5rpm.
The extrusion temperature was 190 ℃.
The preparation method of the acrylic acid-based montmorillonite comprises the following steps:
weighing 65kg of methanol and 5kg of distilled water, adding into a reaction kettle, adding 0.5kg of acrylic siloxane, adjusting the pH to 4 with glacial acetic acid, controlling the reaction temperature to be 50 ℃, reacting at constant temperature for 1h, heating to 80 ℃, adding 13kg of sodium montmorillonite, reacting at constant temperature for 1h, cooling to room temperature, washing with methanol, and drying in an oven at 80 ℃ for 20h to obtain the acrylic montmorillonite.
The acrylic-based siloxane is selected from methacryloxypropyltriethoxysilane (CAS number: 21142-29-0).
The preparation method of the propenyl nanocellulose comprises the following steps:
weighing acryloyl chloride 7kg, methylene chloride 100kg and nanocellulose 2kg, adding pyridine 0.5kg, slowly stirring at 0 deg.C, reacting for 5 hr, filtering, and oven drying to obtain propenyl nanocellulose.
The dose of the dynamic irradiation is 100kGy.
The packaging material prepared in this example had the following results: the yield strength is 73MPa; the impact strength is 8.1KJ/m 2 (ii) a The bending strength was 47MPa.
Example 2
The high-buffering-performance inflatable packing material for the electric commerce comprises the following operation steps:
s1: adding 130kg of nylon 66, 13kg of acrylic acid montmorillonite, 2kg of propenyl nano cellulose and 0.1kg of vinyl ferrocene into 0.1kg of benzophenone, and premixing in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 12mA, the electron beam energy is 2.0Mev, and the initial sample is placed on a flat car for dynamic irradiation;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the high-buffer-performance inflatable packaging material for electric commerce.
The drying temperature is 75 ℃, and the drying time is 12h.
The premixing time is 4min.
The extrusion speed was 200rpm.
The feed rate was 6rpm.
The extrusion temperature was 200 ℃.
The preparation method of the acrylic acid-based montmorillonite comprises the following steps:
weighing 70kg of methanol and 10kg of distilled water, adding into a reaction kettle, adding 1kg of acrylic siloxane, adjusting the pH to 4.5 with glacial acetic acid, controlling the reaction temperature to be 55 ℃, reacting at constant temperature for 2h, heating to 85 ℃, adding 14kg of sodium montmorillonite, reacting at constant temperature for 2h, cooling to room temperature, washing with methanol, and drying in an oven at 85 ℃ for 21h to obtain the acrylic montmorillonite.
The acrylic-based siloxane is selected from 1-methyl-2- (trimethoxysilyl) ethyl methacrylate (CAS number: 51749-70-3).
The preparation method of the propenyl nanocellulose comprises the following steps:
weighing 8kg of acryloyl chloride, 105kg of dichloromethane and 3kg of nano-cellulose, adding 1kg of pyridine, slowly stirring at 5 ℃, reacting for 6 hours, filtering and drying to obtain the propenyl nano-cellulose.
The dose of the dynamic irradiation is 110kGy.
The packaging material prepared in this example had the following results: the yield strength is 75MPa; the impact strength is 8.2KJ/m 2 (ii) a The bending strength is 48MPa.
Example 3
The high-buffering-performance inflatable packing material for the electric commerce comprises the following operation steps:
s1: adding 140kg of nylon 66, 16kg of acrylic acid montmorillonite, 4kg of propenyl nano cellulose and 0.2kg of vinyl ferrocene into 0.2kg of benzophenone, and premixing in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 14mA, the electron beam energy is 2Mev, and the initial sample is placed on a flat trolley for dynamic irradiation;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the electric commercial high-buffer-performance inflatable packaging material.
The drying temperature is 85 ℃, and the drying time is 14h.
The premixing time is 4min.
The extrusion speed was 300rpm.
The feed rate was 8rpm.
The extrusion temperature was 220 ℃.
The preparation method of the acrylic acid-based montmorillonite comprises the following steps:
weighing 75kg of methanol and 15kg of distilled water, adding into a reaction kettle, adding 2kg of acrylic siloxane, adjusting the pH value to 5 with glacial acetic acid, controlling the reaction temperature to be 55 ℃, reacting at constant temperature for 2h, heating to 85 ℃, adding 16kg of sodium montmorillonite, reacting at constant temperature for 2h, cooling to room temperature, washing with methanol, and drying in an oven at 90 ℃ for 23h to obtain the acrylic montmorillonite.
The acrylic-based siloxane is selected from 1-methyl-2- (trimethoxysilyl) ethyl methacrylate (CAS number: 51749-70-3).
The preparation method of the propenyl nanocellulose comprises the following steps:
weighing 9kg of acryloyl chloride, 115kg of dichloromethane and 4kg of nano-cellulose, adding 1kg of pyridine, slowly stirring at 5 ℃, reacting for 7 hours, filtering and drying to obtain the propenyl nano-cellulose.
The dose of the dynamic irradiation is 120kGy.
The packaging material prepared in this example had the following results: the yield strength is 78MPa; the impact strength is 8.5KJ/m 2 (ii) a The bending strength is 48MPa.
Example 4
The high-buffering-performance inflatable packing material for the electric commerce comprises the following operation steps:
s1: adding 150kg of nylon 66, 17kg of acrylic acid montmorillonite, 5kg of propenyl nano cellulose and 0.3kg of vinyl ferrocene into 0.32kg of benzophenone, and premixing in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 15mA, the electron beam energy is 2.2Mev, and the initial sample is placed on a flat car for dynamic irradiation;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the high-buffer-performance inflatable packaging material for electric commerce.
The drying temperature is 90 ℃, and the drying time is 15h.
The premixing time is 5min.
The extrusion speed was 350rpm.
The feed rate was 10rpm.
The extrusion temperature was 230 ℃.
The preparation method of the acrylic acid-based montmorillonite comprises the following steps:
weighing 80kg of methanol and 20kg of distilled water, adding into a reaction kettle, adding 2.5kg of acrylic siloxane, adjusting the pH value to 5.5 with glacial acetic acid, controlling the reaction temperature to be 60 ℃, reacting at constant temperature for 3h, heating to 90 ℃, adding 17kg of sodium montmorillonite, reacting at constant temperature for 3h, cooling to room temperature, washing with methanol, and drying in a 95 ℃ oven for 24h to obtain the acrylic montmorillonite.
The acrylic-based siloxane is selected from the group consisting of propoxy triacetoxysilane methacrylate (CAS number: 51772-85-1).
The preparation method of the propenyl nanocellulose comprises the following steps:
measuring acryloyl chloride (10kg), dichloromethane (120kg) and nanocellulose (5 kg), adding pyridine (1.5 kg), slowly stirring at 10 ℃, reacting for 8 hours, filtering, and drying to obtain propenyl nanocellulose.
The dose of the dynamic irradiation was 130kGy.
The packaging material prepared in this example had the following results: the yield strength is 76MPa; the impact strength is 8.4KJ/m 2 (ii) a The bending strength is 50MPa.
Comparative example 1
An electric commercial high-buffer performance air-filled packing material comprises the following operation steps:
s1: adding 125kg of nylon 66, 1kg of propenyl nano cellulose and 0.02kg of vinyl ferrocene into 0.07kg of benzophenone, and premixing in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 10mA, the electron beam energy is 1.8Mev, and dynamically irradiating the initial sample on a flat car;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the electric commercial high-buffer-performance inflatable packaging material.
The drying temperature is 70 ℃, and the drying time is 10h.
The premixing time is 3min.
The extrusion speed was 100rpm.
The feed rate was 5rpm.
The extrusion temperature was 190 ℃.
The preparation method of the propenyl nanocellulose comprises the following steps:
weighing acryloyl chloride 7kg, methylene chloride 100kg and nanocellulose 2kg, adding pyridine 0.5kg, slowly stirring at 0 deg.C, reacting for 5 hr, filtering, and oven drying to obtain propenyl nanocellulose.
The dose of the dynamic irradiation is 100kGy.
The packaging material prepared in this example had the following results: the yield strength is 62MPa; the impact strength is 6.3KJ/m 2 (ii) a The bending strength is 36MPa.
Comparative example 2
The high-buffering-performance inflatable packing material for the electric commerce comprises the following operation steps:
s1: adding 125kg of nylon 66, 12kg of acrylic acid montmorillonite, 0.02kg of vinyl ferrocene and 0.07kg of benzophenone into the mixture, and premixing the mixture in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 10mA, the electron beam energy is 1.8Mev, and dynamically irradiating the initial sample on a flat car;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the electric commercial high-buffer-performance inflatable packaging material.
The drying temperature is 70 ℃, and the drying time is 10h.
The premixing time is 3min.
The extrusion speed was 100rpm.
The feed rate was 5rpm.
The extrusion temperature was 190 ℃.
The preparation method of the acrylic acid-based montmorillonite comprises the following steps:
weighing 65kg of methanol and 5kg of distilled water, adding into a reaction kettle, adding 0.5kg of acrylic siloxane, adjusting the pH to 4 by using glacial acetic acid, controlling the reaction temperature to be 50 ℃, reacting at constant temperature for 1h, heating to 80 ℃, adding 13kg of sodium montmorillonite, reacting at constant temperature for 1h, cooling to room temperature, washing by using methanol, and drying in an oven at 80 ℃ for 20h to obtain the acrylic montmorillonite.
The acrylic-based siloxane is selected from methacryloxypropyltriethoxysilane (CAS number: 21142-29-0).
The dose of the dynamic irradiation is 100kGy.
The results of the performance tests of the packaging material prepared in this example are: yield strengthThe degree is 65MPa; the impact strength is 6.8KJ/m 2 (ii) a The bending strength is 40MPa.
Comparative example 3
The high-buffering-performance inflatable packing material for the electric commerce comprises the following operation steps:
s1: adding 0.07kg of benzophenone into 125kg of nylon 66, 12kg of acrylic acid-based montmorillonite and 1kg of propenyl nano-cellulose, and premixing in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 10mA, the electron beam energy is 1.8Mev, and placing a primary sample on a flat car for dynamic irradiation;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the electric commercial high-buffer-performance inflatable packaging material.
The drying temperature is 70 ℃, and the drying time is 10h.
The premixing time is 3min.
The extrusion speed was 100rpm.
The feed rate was 5rpm.
The extrusion temperature was 190 ℃.
The preparation method of the acrylic acid-based montmorillonite comprises the following steps:
weighing 65kg of methanol and 5kg of distilled water, adding into a reaction kettle, adding 0.5kg of acrylic siloxane, adjusting the pH to 4 with glacial acetic acid, controlling the reaction temperature to be 50 ℃, reacting at constant temperature for 1h, heating to 80 ℃, adding 13kg of sodium montmorillonite, reacting at constant temperature for 1h, cooling to room temperature, washing with methanol, and drying in an oven at 80 ℃ for 20h to obtain the acrylic montmorillonite.
The acrylic-based siloxane is selected from methacryloxypropyltriethoxysilane (CAS number: 21142-29-0).
The preparation method of the propenyl nanocellulose comprises the following steps:
weighing acryloyl chloride 7kg, methylene chloride 100kg and nanocellulose 2kg, adding pyridine 0.5kg, slowly stirring at 0 deg.C, reacting for 5 hr, filtering, and oven drying to obtain propenyl nanocellulose.
The dose of the dynamic irradiation is 100kGy.
The packaging material prepared in this example had the following results: the yield strength is 67MPa; the impact strength is 7.1KJ/m 2 (ii) a The bending strength is 42MPa.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make modifications and alterations without departing from the scope of the present invention.

Claims (10)

1. An electric commercial high-buffer performance air-filled packing material comprises the following operation steps:
s1: according to the mass parts, 125-150 parts of nylon 66, 12-17 parts of acrylic acid based montmorillonite, 1-5 parts of propenyl nano cellulose, 0.02-0.3 part of vinyl ferrocene and 0.07-0.32 part of benzophenone are added and premixed in a high-speed mixer;
s2: then carrying out electron beam pre-irradiation in the air, wherein the beam intensity is 10-15mA, the electron beam energy is 1.8-2.2Mev, and dynamically irradiating the initial sample on a flat car;
s3: and then mixing, extruding, granulating and drying in a double-screw extruder to obtain the electric commercial high-buffer-performance inflatable packaging material.
2. The high-cushioning-performance air-packing material for electric business use according to claim 1, wherein: the drying temperature is 70-90 ℃, and the drying time is 10-15h.
3. The high-cushioning-performance air-packing material for electric business use according to claim 1, wherein: the premixing time is 3-5min.
4. The air-packing material with high cushioning property for electric business use of claim 1, wherein: the extrusion speed is 100-350rpm.
5. The high-cushioning-performance air-packing material for electric business use according to claim 1, wherein: the feeding speed is 5-10rpm.
6. The high-cushioning-performance air-packing material for electric business use according to claim 1, wherein: the extrusion temperature is 190-230 ℃.
7. The high-cushioning-performance air-packing material for electric business use according to claim 1, wherein: the preparation method of the acrylic acid-based montmorillonite comprises the following steps:
weighing 65-80 parts of methanol and 5-20 parts of distilled water according to parts by mass, adding into a reaction kettle, adding 0.5-2.5 parts of acrylic group siloxane, adjusting the pH to 4-5.5 with glacial acetic acid, controlling the reaction temperature to be 50-60 ℃, reacting at constant temperature for 1-3h, heating to 80-90 ℃, adding 13-17 parts of sodium montmorillonite, reacting at constant temperature for 1-3h, cooling to room temperature, washing with methanol, and drying in an oven at 80-95 ℃ for 20-24h to obtain the acrylic group montmorillonite.
8. The air-packing material with high cushioning property for electric business use of claim 7, wherein: the acrylic-based siloxane is selected from the group consisting of methacryloxypropyltriethoxysilane, 1-methyl-2- (trimethoxysilyl) ethyl methacrylate, propoxytriethoxysilane methacrylate.
9. The air-packing material with high cushioning property for electric business use of claim 1, wherein: the preparation method of the propenyl nanocellulose comprises the following steps:
weighing 7-10 parts of acryloyl chloride, 100-120 parts of dichloromethane and 2-5 parts of nano cellulose, adding 0.5-1.5 parts of pyridine, slowly stirring at 0-10 ℃, reacting for 5-8 hours, filtering and drying to obtain the propenyl nano cellulose.
10. The air-packing material with high cushioning property for electric business use of claim 1, wherein: the dynamic irradiation dose is 100-130kGy.
CN202211303643.4A 2022-10-24 2022-10-24 Electric commercial high-buffer-performance inflatable packaging material Withdrawn CN115594870A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211303643.4A CN115594870A (en) 2022-10-24 2022-10-24 Electric commercial high-buffer-performance inflatable packaging material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211303643.4A CN115594870A (en) 2022-10-24 2022-10-24 Electric commercial high-buffer-performance inflatable packaging material

Publications (1)

Publication Number Publication Date
CN115594870A true CN115594870A (en) 2023-01-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211303643.4A Withdrawn CN115594870A (en) 2022-10-24 2022-10-24 Electric commercial high-buffer-performance inflatable packaging material

Country Status (1)

Country Link
CN (1) CN115594870A (en)

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