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Aircraft tire flap rubber

A technology for aviation tires and tape rubber, which is applied in building components, building insulation materials, buildings, etc., can solve the problems of low hardness and low strength of the tape rubber, and cannot meet the high performance requirements of the tape rubber for aviation tires. The effect of prolonging scorch time, increasing hardness and strength, improving processing and storage stability

Inactive Publication Date: 2013-03-20
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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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The original tape rubber has low hardness and low strength, which cannot meet the high performance requirements of the tape rubber used in aviation tires

Method used

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  • Aircraft tire flap rubber

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Embodiment Construction

[0013] A kind of aviation tire pad rubber is made by the following raw materials by weight ratio through internal mixer according to conventional technology:

[0014] Raw rubber system: 20# standard rubber: 50 parts, styrene-butadiene rubber: 50 parts, reclaimed rubber: 70 parts; zinc oxide 4 parts, stearic acid 3 parts, antioxidant A 0.5 parts, antioxidant D 1.5 parts, paraffin wax 1.5 parts 3 parts of asphalt; 58 parts of N660 carbon black; 6 parts of aromatic oil, 2.65 parts of sulfur, 0.15 parts of accelerator TMTD, 1.5 parts of accelerator MBTS, and 0.2 parts of anti-scorch agent CTP.

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Abstract

The invention discloses an aircraft tire flap rubber which is prepared by using a banbury mixer according to a conventional technology from the following raw materials in parts by weight: 30-50 parts of 20# standard glue, 30-50 parts of butadiene-styrene rubber, 50-70 parts of reclaimed rubber, 1-6 parts of zinc oxide, 1-6 parts of stearic acid, 0-2 parts of anti-aging agent A, 0-2 parts of anti-aging agent D, 0-2 parts of paraffin, 2-6 parts of asphalt, 40-60 parts of N660 carbon black, 5-10 parts of aromatic oil, 1-3 parts of sulfur, 0-2 parts of accelerant TMTD (teramethyl-thiuram disulfide), 0-2 parts of accelerant MBTS (mercaptobenzthiazole disulfide) and 0.1-2 parts of scorch retarder CTP (cyclohexylthiophthalimide). The aircraft tire flap rubber has the advantages of improving hardness and strength of a sizing material by adopting the carbon black N660 as a reinforcing agent; prolonging scorch time without reducing the curing speed in a curing stage and improving processing and storing stabilities of the sizing material by adding the scorch retarder CTP in the formula; and improving plasticity and uniformity of the sizing material, improving technological operation properties of the sizing material and effectively solving various problems in a production process by adopting the aromatic oil as a softening agent.

Description

technical field [0001] The invention relates to an aviation tire, in particular to an aviation tire gasket rubber. Background technique [0002] The original tape rubber has low hardness and low strength, which cannot meet the high performance requirements of the tape rubber used in aviation tires. The rubber compound made of carbon black and CaCO3 as reinforcing agent and filler cannot meet the strength requirements of the gasket rubber for aviation tires, so the composition of the reinforcing agent needs to be adjusted; in terms of raw material procurement, the 10# standard in the raw rubber system The glue is not as reasonable as the 20# standard glue, and the initial plasticity of the two is similar, so it will not cause changes in processing performance; pine tar is not conducive to the mixing and dispersion of fillers in the rubber compound of the gasket rubber formula, and it is necessary to seek a softener with better performance At the same time, the rubber is pron...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L17/00C08L7/00C08L9/06C08L91/00C08L91/06C08L95/00C08K13/02C08K3/22C08K5/09C08K3/04C08K3/06
Inventor 胡小芳
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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