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Tyre inner lining glue with graphene/carbon black composite and preparation method of tyre inner lining glue

A technology of composite materials and inner liner adhesive, which is applied in special tires, tire parts, transportation and packaging, etc., can solve problems such as poor interface interaction and difficulty in graphene dispersion, so as to increase production capacity, weaken van der Waals force, and accelerate stripping speed effect

Inactive Publication Date: 2019-01-08
XIAMEN KNANO GRAPHENE TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Another object of the present invention is to provide a tire innerliner rubber added with graphene / carbon black composite material and its preparation method, which can improve the problems of difficulty in dispersing graphene in the rubber matrix and poor interfacial interaction, thereby reducing rubber Gas permeability of composites, improving gas barrier properties of rubber composites

Method used

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  • Tyre inner lining glue with graphene/carbon black composite and preparation method of tyre inner lining glue

Examples

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Effect test

Embodiment 1

[0030] 1. Preparation of graphene / carbon black composites

[0031] (1) Add 100 parts of expanded graphite and 1 part of processing aid PVP-K30 to 500 parts of deionized water, stir in a disperser for 10 minutes at high speed, and after the dispersion is uniform, it is initially dissociated by a stripping device to make a graphite slurry;

[0032] (2) Add 100 parts of carbon black N-330 and 10 parts of dispersant PEG-4000 into 500 parts of deionized water, stir evenly, and ultrasonically stir for 30 minutes at a power of 1000W to prepare a uniformly dispersed carbon black dispersion;

[0033] (3) Mix the graphite slurry with the carbon black dispersion at a mass ratio of 1:1, stir evenly at a high speed, emulsify twice through an emulsifier, and then finely dissociate through a stripping device to make a graphene / carbon black composite slurry to make it well mixed;

[0034] (4) After the graphene / carbon black composite slurry is dried by spray drying equipment, the graphene / ca...

Embodiment 2

[0042] 1. Preparation of graphene / carbon black composites

[0043] (1) Add 200 parts of expanded graphite and 2 parts of processing aid N-vinyl formamide to 500 parts of deionized water, stir in a disperser for 10 minutes at high speed, and after the dispersion is uniform, the graphite slurry is initially dissociated by stripping equipment;

[0044] (2) Add 100 parts of carbon black N-330 and 10 parts of dispersant PEG-4000 into 500 parts of deionized water, stir evenly, and ultrasonically stir for 30 minutes at a power of 1000W to prepare a uniformly dispersed carbon black dispersion;

[0045] (3) Mix the graphite slurry with the carbon black dispersion mass ratio of 2:1, stir evenly at a high speed, emulsify twice through an emulsifier, and then finely dissociate through a stripping device to make a graphene / carbon black composite slurry to make it well mixed;

[0046] (4) After the graphene / carbon black composite slurry is dried by spray drying equipment, the graphene / carb...

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Abstract

The invention discloses tyre inner lining glue with a graphene / carbon black composite and a preparation method of the tyre inner lining glue. The tyre inner lining glue comprises the components in parts by weight of 100 parts of halogenated butyl rubber, 1-20 parts of a graphene / carbon black composite, 10-60 parts of a filling, 1-20 parts of extender oil, 1-10 parts of a viscosifying agent, 1-5 parts of a processing agent, 1-10 parts of an activator and 0.9-5 parts of a vulcanization system, wherein the graphene / carbon black composite is prepared by a home-position mechanical exfoliation method, self clumping between graphene slices is overcome, and the dispersibility and the compatibility of graphene and carbon black in rubber can be improved. In a tyre inner lining formula, the graphene / carbon black composite is added, and in a banburying mixing manner, the graphene is uniformly distributed in a polymer, so that the effect of separating gas molecules from infiltrating is achieved, the air tightness of the tyre is improved greatly, the service life of the tyre is prolonged, and the using properties of vehicles can be improved in many respects.

Description

technical field [0001] The invention belongs to the technical field of polymer composite materials and rubber, and in particular relates to a tire inner-layer adhesive added with graphene / carbon black composite materials and a preparation method thereof. Background technique [0002] With the rapid development of the automobile industry, tires tend to be tubeless, and the requirements for tire airtightness are getting higher and higher. In the traditional airtight layer formula, halogenated butyl rubber is mainly used to improve the airtightness of the tire. However, because polymers have a certain degree of air permeability, the use of halogenated butyl rubber alone to improve airtightness has reached a certain limit. [0003] Carbon black is an important rubber reinforcing agent and filler, which can improve the mechanical properties and wear resistance of rubber products and prolong the service life of rubber. Therefore, carbon black reinforced halogenated butyl rubber i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/28C08L57/02C08K3/04B60C1/00
CPCB60C1/0008C08L23/283C08L57/02C08K3/042C08K3/04
Inventor 张炳德赵立平林丽萍黄卫明林建斌孙东升
Owner XIAMEN KNANO GRAPHENE TECH CORP
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