Air bag material for preparing air bag type safety belt for electrician as well as preparation method and application of air bag material

Abstract

The invention discloses an air bag material for preparing an air bag type safety belt for electricians as well as a preparation method and application thereof, and relates to the technical field of air bag materials, the air bag material comprises the following components in percentage by mass: 75%-80% of polyaryletherketone, 15%-20% of epoxy resin, 2%-5% of phenolic resin, 0.1%-1.5% of nano silicon dioxide, 0.01%-0.5% of a stabilizer and 0.01%-0.1% of a processing aid; the polyaryletherketone is polyaryletherketone with a binaphthalene structure. The air bag material prepared by adopting the raw material formula has the performance of high compactness, high wear resistance and high buffering capacity, an air bag prepared from the air bag material is better in safety performance, and the comfort of workers in the using process is better; and the preparation process is simple and the preparation efficiency is high.

Description

Technical Field

[0001] The invention relates to the technical field of airbag materials, and in particular to an airbag material for preparing an electrician airbag safety belt, and a preparation method and application thereof. Background Art

[0002] At present, when electricians work at height, they mainly rely on conventional safety belts, which are usually composed of waist belts, shoulder belts, and metal buckles and hooks for connection and fixation. For example, the waist belt is wrapped around the waist of the electrician, and the tightness is adjusted by adjusting the buckle. The shoulder belt is diagonally across the shoulder and connected to the waist belt, and then the safety belt is fixed to a reliable anchor point with a hook, such as a fixed hanging point on a pole or a pre-set safety hanging ring on a building, etc., relying on the strength of the safety belt itself to prevent the electrician from falling when working at height.

[0003] Traditional safety belts rely solely on the stretching of their own webbing to cushion the impact of a fall. When falling from a high place, the impact force can easily exceed the human body's tolerance, causing serious damage to the electrician's waist, shoulders, legs and other stress-bearing parts, such as fractures and internal organ damage. Current safety belts can only passively connect and fix. When a fall has already occurred and the impact force begins to be transmitted to the human body, it is unable to take active measures to reduce the damage, and has no ability to predict and respond in advance.

[0004] Therefore, in order to improve the defense function of current seat belts, it is considered to add airbags to seat belts. However, based on the special use of electrical seat belts, the performance of the materials used to make airbags needs to be fully considered. Currently, the materials used to make traditional airbags are applied to electric seat belts, but there are problems with insufficient cushioning and wear resistance. Summary of the invention

[0005] Based on the problems existing in the background technology, the purpose of the present invention is to provide an airbag material for preparing an airbag-type safety belt for electricians, and a preparation method and application thereof. The airbag prepared by the airbag material has high cushioning capacity and high wear resistance. When applied to the safety belt, the safety factor of the safety belt is improved, and workers are more comfortable when using the safety belt with an airbag.

[0006] The present invention is achieved through the following technical solutions:

[0007] In a first aspect, the present application provides an airbag material for preparing an electrician airbag safety belt, which comprises, by mass percentage, 75% to 80% of polyaryletherketone, 15% to 20% of epoxy resin, 2% to 5% of phenolic resin, 0.1% to 1.5% of nano-silicon dioxide, 0.01% to 0.5% of a stabilizer, and 0.01% to 0.1% of a processing aid;

[0008] The polyaryletherketone is a polyaryletherketone having a binaphthyl structure.

[0009] The polyaryletherketone in the present invention is a type of crystalline polymer formed by connecting phenylene rings through peroxide bridges and carbonyl groups. Due to its unique molecular structure, it has excellent high temperature resistance, mechanical properties, and electrical insulation properties. By generating a binaphthyl structure on the polyaryletherketone, the binaphthyl structure of the polyaryletherketone reacts with the epoxy group of the epoxy resin on the basis of its original performance remaining unchanged. With the binaphthyl structure as the core, it chemically bonds with the epoxy group to form a cross-linked network structure, thereby improving the density of the prepared airbag material.

[0010] In addition, the added epoxy resin can not only improve the density of the airbag material, but also react with the added phenolic resin, through the chemical reaction of the hydroxymethyl in the phenolic resin with the hydroxyl and epoxy groups in the epoxy resin, and the chemical reaction of the phenolic hydroxyl in the phenolic resin with the epoxy groups in the epoxy resin, and finally cross-linking into a complex body structure, thereby playing a role in improving the wear resistance of the prepared airbag material.

[0011] In addition, the added nano silicon dioxide has a large specific surface area, which can absorb a large amount of energy when impacted, thereby playing a role of buffering, and in the present invention, the added nano silicon dioxide has good dispersibility, which can make other raw material components evenly distributed, so that the prepared airbag material has a buffering performance, so after the airbag prepared by using the material is installed on the safety belt, in addition to the buffering effect of the airbag inside, the airbag body also has a buffering function, further enhancing the buffering function of the airbag prepared by the airbag material, and improving the safety during use. Therefore, through the synergistic effect between the various components in the present invention, the airbag prepared by the airbag material has high buffering capacity and high wear resistance, and also has high density.

[0012] Furthermore, the stabilizer includes any one of 2-(2'-hydroxy-5'-methylphenyl)benzotriazole, 2-hydroxy-4-methoxybenzophenone, and 2-hydroxy-4-n-octyloxybenzophenone.

[0013] Furthermore, the preparation method of the polyaryletherketone having a binaphthol structure is as follows: using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials, and preparing the polyaryletherketone containing a binaphthol structure through a condensation reaction.

[0014] Furthermore, the molar ratio of the S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer is 1:1:1.

[0015] Furthermore, the processing aid includes EBS lubricant, oleamide or erucamide.

[0016] In a second aspect, the present application provides a method for preparing an airbag material for preparing an electrician airbag safety belt, comprising the following steps:

[0017] Weigh each raw material according to mass percentage, and premix them in a high-speed mixer to obtain a premix;

[0018] The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to obtain an airbag material.

[0019] Furthermore, the processing technology of the twin-screw extrusion molding is as follows: the speed of the feeding screw is 45r / min to 55r / min, and the speed of the main screw is 450r / min to 550r / min.

[0020] Furthermore, during twin-screw extrusion granulation, the temperature of zones 1 to 3 is 230°C to 260°C, the temperature of zones 4 to 6 is 240°C to 270°C, and the temperature of zones 7 to 9 is 230°C to 270°C.

[0021] Furthermore, the particle size of the obtained airbag material is 3 mm to 5 mm.

[0022] In a third aspect, the present application provides an application of the above-mentioned airbag material or the airbag material prepared by the above-mentioned preparation method, including an airbag for preparing an airbag-type safety belt for electricians.

[0023] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0024] (1) The airbag material prepared by the raw material formula of the present invention has the properties of high density, high wear resistance and high buffering capacity. The airbag prepared by using the airbag material has better safety performance and better comfort for workers during use.

[0025] (2) The preparation process of the airbag material prepared by the formula of the present invention is simple and has high preparation efficiency.

[0026] (3) The airbag material prepared by the formula of the present invention can be used not only in electric airbag seat belts, but also in other equipment with airbag cushioning. The application field of the airbag material is wide. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] Therefore, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Example 1

[0030] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt, and the raw material formula used is: in terms of mass percentage, it contains 78% of a polyaryletherketone having a binaphthyl structure, 18% of an epoxy resin, 2.75% of a phenolic resin, 1% of nano-silicon dioxide, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of an EBS lubricant.

[0031] The specific preparation method is:

[0032] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0033] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0034] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0035] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0036] Example 2

[0037] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt. The difference from Example 1 is that the raw material formula used in this embodiment is: in terms of mass percentage, it contains 75% of a polyaryletherketone having a binaphthyl structure, 20% of an epoxy resin, 2.9% of a phenolic resin, 1.5% of nano-silicon dioxide, 0.5% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.1% of an EBS lubricant.

[0038] The specific preparation method is:

[0039] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0040] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0041] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0042] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0043] Example 3

[0044] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt. The difference from Example 1 is that the raw material formula used in this embodiment is: in terms of mass percentage, it contains 80% of a polyaryletherketone having a binaphthyl structure, 15% of an epoxy resin, 2.9% of a phenolic resin, 1.5% of nano-silicon dioxide, 0.5% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.1% of an EBS lubricant.

[0045] The specific preparation method is:

[0046] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0047] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0048] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0049] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0050] Example 4

[0051] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt. The difference from Example 1 is that the raw material formula used in this embodiment is: in terms of mass percentage, it contains 80% of a polyaryletherketone having a binaphthyl structure, 17.5% of an epoxy resin, 2% of a phenolic resin, 0.1% of nano-silicon dioxide, 0.35% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of an EBS lubricant.

[0052] The specific preparation method is:

[0053] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0054] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0055] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0056] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0057] Example 5

[0058] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt. The difference from Example 1 is that the particle size of the airbag material produced in this embodiment is 3 mm. The formula is the same as that of Example 1.

[0059] The raw material formula used is: calculated by mass percentage, it contains 78% of polyaryletherketone with a binaphthyl structure, 18% of epoxy resin, 2.75% of phenolic resin, 1% of nano-silicon dioxide, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of EBS lubricant.

[0060] The specific preparation method is:

[0061] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0062] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0063] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 3 mm to obtain an airbag material.

[0064] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0065] Example 6

[0066] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt. The difference from Embodiment 1 is that the particle size of the airbag material produced in this embodiment is 5 mm. The formula is the same as that of Embodiment 1.

[0067] The raw material formula used is: calculated by mass percentage, it contains 78% of polyaryletherketone with a binaphthyl structure, 18% of epoxy resin, 2.75% of phenolic resin, 1% of nano-silicon dioxide, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of EBS lubricant.

[0068] The specific preparation method is:

[0069] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0070] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0071] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 5 mm to obtain an airbag material.

[0072] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0073] Example 7

[0074] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt. Different from Embodiment 1, the processing technology of twin-screw extrusion molding in this embodiment is as follows: the speed of the feeding screw is 45r / min, and the speed of the main screw is 450r / min. During the twin-screw extrusion granulation, the temperature of the first to third zones is 230°C, the temperature of the fourth to sixth zones is 240°C, and the temperature of the seventh to ninth zones is 230°C.

[0075] The raw material formula used is: calculated by mass percentage, it contains 78% of polyaryletherketone with a binaphthyl structure, 18% of epoxy resin, 2.75% of phenolic resin, 1% of nano-silicon dioxide, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of EBS lubricant.

[0076] The specific preparation method is:

[0077] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0078] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0079] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0080] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 45r / min, and the speed of the main screw is 450r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 230℃, the temperature of the fourth to sixth zones is 240℃, and the temperature of the seventh to ninth zones is 230℃.

[0081] Example 8

[0082] This embodiment provides a method for preparing an airbag material for preparing an electrician airbag safety belt. Different from Embodiment 1, the processing technology of twin-screw extrusion molding in this embodiment is as follows: the speed of the feeding screw is 55r / min, and the speed of the main screw is 550r / min. During the twin-screw extrusion granulation, the temperature of the first to third zones is 260°C, the temperature of the fourth to sixth zones is 270°C, and the temperature of the seventh to ninth zones is 270°C.

[0083] The raw material formula used is: calculated by mass percentage, it contains 78% of polyaryletherketone with a binaphthyl structure, 18% of epoxy resin, 2.75% of phenolic resin, 1% of nano-silicon dioxide, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of EBS lubricant.

[0084] The specific preparation method is:

[0085] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0086] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0087] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0088] The processing technology of twin-screw extrusion molding is as follows: the speed of the feeding screw is 55r / min, and the speed of the main screw is 550r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 260°C, the temperature of the fourth to sixth zones is 270°C, and the temperature of the seventh to ninth zones is 270°C.

[0089] Comparative Example 1

[0090] This comparative example provides a method for preparing an airbag material for preparing an electrician airbag safety belt. Unlike Example 1, no epoxy resin is added to the raw material formula used in this comparative example. The specific raw material formula is: by mass percentage, it contains 78% of a polyaryletherketone having a binaphthyl structure, 20.75% of a phenolic resin, 1% of nano-silica, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of an EBS lubricant.

[0091] The specific preparation method is:

[0092] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0093] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0094] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0095] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0096] Comparative Example 2

[0097] This comparative example provides a method for preparing an airbag material for preparing an electrician airbag safety belt. Unlike Example 1, no phenolic resin is added to the raw material formula used in this comparative example. The specific raw material formula is: by mass percentage, it contains 78% of a polyaryletherketone having a binaphthyl structure, 20.75% of an epoxy resin, 1% of nano-silicon dioxide, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of an EBS lubricant.

[0098] The specific preparation method is:

[0099] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0100] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0101] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0102] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0103] Comparative Example 3

[0104] This comparative example provides a method for preparing an airbag material for preparing an electrician airbag safety belt. Unlike Example 1, nano silicon dioxide is not added to the raw material formula used in this comparative example. The specific raw material formula is: by mass percentage, it contains 78% of a polyaryletherketone having a binaphthyl structure, 19% of an epoxy resin, 2.75% of a phenolic resin, 0.2% of 2-(2ˊ-hydroxy-5ˊ-methylphenyl)benzotriazole, and 0.05% of an EBS lubricant.

[0105] The specific preparation method is:

[0106] S1. Using S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials in a molar ratio of 1:1:1, a polyaryletherketone containing a binaphthol structure is prepared through a condensation reaction.

[0107] S2, adding the polyaryletherketone containing binaphthyl structure prepared in step S1 together with other raw materials into a high speed mixer for premixing to obtain a premix.

[0108] S3. The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to generate pellets with a particle size of 4 mm to obtain an airbag material.

[0109] Among them, the processing technology of twin-screw extrusion molding is: the speed of the feeding screw is 50r / min, and the speed of the main screw is 500r / min. When the twin-screw extrusion granulation is carried out, the temperature of the first to third zones is 250℃, the temperature of the fourth to sixth zones is 250℃, and the temperature of the seventh to ninth zones is 250℃.

[0110] The airbag materials prepared by the methods of Examples 1 to 8 and Comparative Examples 1 to 3 were injection molded into test specimens under the same conditions, and the toughness, wear resistance and density of the test specimens were tested. The test results are shown in Table 1 below.

[0111] Among them, the toughness of the test specimen is tested using the cantilever beam notched impact strength test method: the cantilever beam notched impact strength is tested in accordance with ISO-527-2:2012 standard.

[0112] The wear resistance of the test specimens and the wear rate of the test specimens were tested: the test standard refers to ASTMG99-05.

[0113] The density of the test strips and the air permeability of the test strips are tested: the testing standard refers to GB / T1038-2000.

[0114] Table 1

[0115]

[0116] According to the above test results, the airbag material prepared by the formula and preparation method of the present application has better toughness, wear resistance and density, which not only makes it have advantages in function, but also the airbag prepared by the material prepared by the method of the present application has a longer service life. Comparing the airbag material prepared in the embodiment of the present application with Comparative Example 1, Comparative Example 2 and Comparative Example 3, it can be seen that whether it lacks epoxy resin or lacks phenolic resin and nano-silicon dioxide, the toughness, wear resistance and density of the airbag material prepared are worse than those of the present application, which proves that there is a synergistic effect between the formulas defined in the present application, and plays a role in improving the toughness, wear resistance and density of the airbag material.

[0117] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the protection scope of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An airbag material for preparing an electrician airbag safety belt, characterized in that: Calculated by mass percentage, it includes 75% to 80% of polyaryletherketone, 15% to 20% of epoxy resin, 2% to 5% of phenolic resin, 0.1% to 1.5% of nano-silicon dioxide, 0.01% to 0.5% of stabilizer, and 0.01% to 0.1% of processing aid; The polyaryletherketone is a polyaryletherketone having a binaphthyl structure.

2. The airbag material for preparing an electrician airbag safety belt according to claim 1, characterized in that: The stabilizer includes any one of 2-(2'-hydroxy-5'-methylphenyl)benzotriazole, 2-hydroxy-4-methoxybenzophenone, and 2-hydroxy-4-n-octyloxybenzophenone.

3. The airbag material for preparing an electrician airbag safety belt according to claim 1, characterized in that: The preparation method of the polyaryletherketone with a binaphthyl structure comprises the following steps: using S-configuration 1,1'-binaphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer as raw materials, and preparing the polyaryletherketone with a binaphthyl structure through a polycondensation reaction.

4. The airbag material for preparing an electrician airbag safety belt according to claim 3, characterized in that: The molar ratio of the S-configuration 1,1'-bi-2-naphthol monomer, 4,4'-difluorobenzophenone and bisphenol fluorene monomer is 1:1:

1.

5. The airbag material for preparing an electrician airbag safety belt according to claim 1, characterized in that: The processing aids include EBS lubricant, oleamide or erucamide.

6. A method for preparing an airbag material for preparing an electrician airbag safety belt, characterized in that: The following steps are involved: Weigh each raw material according to mass percentage, and premix them in a high-speed mixer to obtain a premix; The premix is ​​put into a twin-screw extruder for melt mixing and extrusion granulation to obtain an airbag material.

7. The method for preparing an airbag material for preparing an electrician airbag safety belt according to claim 6, characterized in that: The processing technology of the twin-screw extrusion molding is as follows: the speed of the feeding screw is 45r / min-55r / min, and the speed of the main screw is 450r / min-550r / min.

8. The method for preparing an airbag material for preparing an electrician airbag safety belt according to claim 6, characterized in that: During twin-screw extrusion granulation, the temperature of zones 1 to 3 is 230°C to 260°C, the temperature of zones 4 to 6 is 240°C to 270°C, and the temperature of zones 7 to 9 is 230°C to 270°C.

9. The method for preparing an airbag material for preparing an electrician airbag safety belt according to claim 6, characterized in that: The particle size of the obtained airbag material is 3 mm to 5 mm.

10. Use of the airbag material according to any one of claims 1 to 5 or the airbag material prepared by the preparation method according to any one of claims 6 to 9, characterized in that: Including airbags for preparing airbag safety belts for electricians.

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