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Bead wire coating compound for aircraft radial-ply tire

A radial tire and bead wire technology, applied in the field of tire bead compounds, can solve the problems that the technological performance and physical properties cannot meet the technological and physical performance requirements of the hexagonal steel rim of radial aviation tires, etc., and achieve good elasticity and high viscosity. The effect of bonding strength and uniform plasticity

Active Publication Date: 2011-02-02
中国化工集团曙光橡胶工业研究设计院有限公司
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  • Summary
  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] At present, the commonly used aviation tires are of oblique structure, and the technical performance and physical properties of the rubber bead formula of aviation tires with oblique structure cannot meet the technical and physical performance requirements of the hexagonal steel ring production of radial aviation tires.

Method used

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Examples

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Embodiment Construction

[0010] Several embodiments of the present invention will be described below, but the content of the present invention is not limited thereto. The raw materials of each component are parts by weight in the examples.

[0011] Raw material name

[0012] Mix the above-mentioned raw materials with an internal mixer to produce a rubber compound. When in use, on the hexagonal radial tire bead bead extrusion production line, the rubber material is attached to the surface of the bead wire and wound into a semi-finished bead bead of the required size, and the semi-finished bead bead is wrapped on both sides of the carcass on the forming machine to make tire blanks, and vulcanize the tire blanks into finished tires through a vulcanizing machine.

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PUM

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Abstract

The invention discloses a bead wire coating compound for an aircraft radial-ply tire, which is prepared by mixing the following raw materials in part by weight: 50 to 100 parts of butadiene styrene rubber, 0 to 50 parts of natural rubber, 30 to 70 parts of powerful powder, 35 to 65 parts of general purpose furnace black N660, 3 to 10 parts of zinc oxide, 0 to 4 parts of stearic acid, 1 to 4 parts of p-Phenylenediamine antioxidant 4020 or 4010NA, 1 to 4 parts of acetone-amine condensation product antioxidant BLE or RD, 1 to 8 parts of insoluble sulfur IS-60 or IS-90, 1 to 3 parts of sulfenamide accelerator NOBS or DZ, 0.5 to 3.0 parts of adhesive AIR-101, 0.5 to 3.0 parts of cobalt boroacylate or cobalt decanoate and 0 to 2.0 parts of tackifying resin DHJH-B through a banbury. The compound has good elongation, elasticity and adhesiveness and particularly good bonding strength after thermal ageing, and can meet the requirement of a hexagonal steel ring production process.

Description

technical field [0001] The invention relates to tire bead rubber materials, in particular to aviation radial tire bead steel wire hanging rubber materials. Background technique [0002] At present, the commonly used aviation tires are of oblique structure, and the technical performance and physical properties of the bead wire hanging glue formula of the oblique structure aviation tires cannot meet the technical and physical performance requirements of the hexagonal steel ring production of radial aviation tires. Contents of the invention [0003] The purpose of the present invention is to provide a tire that can adapt to the production process of the hexagonal steel ring of aviation radial tires, maintain a high bonding strength with the bead steel wire before and after heat aging, and have high tensile properties of the rubber material and good elasticity. Ring steel wire hang glue material. [0004] The sizing material of the present invention is made by mixing the fo...

Claims

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Application Information

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IPC IPC(8): C08K3/04C08K5/18C08L9/06C08K5/098C08L7/00C08K5/09B60C1/00C08K5/55C08K3/22C08K13/02C08K3/06
Inventor 刘燕俞华英
Owner 中国化工集团曙光橡胶工业研究设计院有限公司
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