Graphene multifunctional master batch adopting elastomer as carrier and preparation method thereof
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A technology of graphene and elastomer, which is applied in the field of graphene multifunctional masterbatch, can solve the problems of inability to maintain electrical properties, influence of original plastic properties, and inability to process and shape, and achieve low loss rate, cost reduction, and improved electrical properties. Effect
Inactive Publication Date: 2020-12-15
高碑店市安普光电材料科技有限公司
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Problems solved by technology
[0005] At present, the biggest obstacle for functional plastics or filled modified plastics is that the amount of addition is too large, which affects the performance of the original plastic and loses its proper material properties. After processing and molding, the mechanical and electrical properties of the finished product cannot be maintained.
In addition, especially when the plastic needs to have more than two functions at the same time, adding two or more modified enhancements or functional additives to the composition system at the same time will cause the consequence that it cannot be processed and shaped
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Embodiment 1
[0026] The composition ratio of the present embodiment is as follows:
[0027]
[0028]
[0029] Mix with an internal mixer at 150°C for 30 minutes, and put the mixed material into a single-screw granulator, set the temperature in four stages, 160°C, 165°C, 170°C, 165°C, and rotate at 350rpm. The masterbatch is made by cold method.
[0030] Adding 2.5% of this masterbatch to PET and spinning after melting can obtain PET fibers with 3.3% breaking strength, deodorizing and antibacterial functions. The overall performance is not only not affected, but also realizes multiple functions.
Embodiment 2
[0032] The composition ratio of the present embodiment is as follows:
[0033]
[0034] Mix with an internal mixer at 150°C for 30 minutes, and put the mixed material into a single-screw granulator, set the temperature in four stages, 160°C, 165°C, 170°C, 165°C, and rotate at 350rpm. The masterbatch is made by cold method.
[0035] Adding 5% of this masterbatch to PP, the sheet produced by extrusion or injection molding has the antistatic condition of 107Ω·m, and the overall performance is not affected.
Embodiment 3
[0037] The composition ratio of the present embodiment is as follows:
[0038]
[0039] Mix with an internal mixer at 150°C for 30 minutes, and put the mixed material into a single-screw granulator, set the temperature in four stages, 160°C, 165°C, 170°C, 165°C, and rotate at 350rpm. The masterbatch is made by cold method.
[0040] Add 1.5% of this masterbatch to PE, and extrude into cables to obtain semi-insulated wire and cable sheaths, which can achieve the anti-electromagnetic field function required by ultra-high voltage cables, and the overall performance will not be affected.
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Abstract
The invention discloses a graphene multifunctional master batch adopting an elastomer as a carrier and a preparation method thereof, the master batch comprises the following components: a polyolefin elastomer base material, a POE-g-MAH compatilizer, an antioxidant and modified graphene, and the mass ratio of the components is 45-70: 10-15: 0.2-1: 20-40. The thought of a base material and a reinforcing agent is adopted, the modified graphene is used as a multifunctional additive to be matched with a special process to prepare the master batch, and the master batch is used for plastic processingand forming. The composition is mainly prepared from a POE elastomer as a base material and graphene as a functional agent. The master batch is prepared by a special process, so that the mechanical toughening and strengthening of the plastic are realized, the antistatic, conductive and heat dissipation capabilities are further realized in function, and the plastic has the excellent performance ofone product with multiple functions. The master batch is suitable for various common plastic additives, the performance of original plastic cannot be affected, the mechanical property and the electrical property of a finished product can be improved after processing and forming, and the master batch has great application potential in textile, leather, foaming and chemical forming processing.
Description
technical field [0001] The invention relates to a graphene plastic master batch, in particular to a graphene multifunctional master batch using an elastomer as a carrier. Background technique [0002] Graphene is a two-dimensional nanomaterial with excellent properties in mechanics, thermodynamics, electricity and electronics, electrochemistry, magnetism, and biology, so it can be used as a functional additive to improve plastic conductivity, antistatic, heat dissipation, toughening, Sterilize. Due to its multi-functional condition, it can make plastics have multi-functional added value after being added, and it is a functional additive with great potential. [0003] However, since graphene is in the shape of nano-sheets, the active functional groups at the edges of the layers are particularly large, and it is extremely difficult to disperse evenly in plastics, and the agglomeration phenomenon is difficult to solve, forming a weak point in chemical processing. [0004] POE...
Claims
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