A kind of thermally conductive vulcanization bladder and preparation method thereof

A technology of vulcanization bladders and heat-conducting fillers, applied in chemical instruments and methods, heat exchange materials, etc., can solve problems affecting the service life of vulcanization bladders, achieve good comprehensive performance, high thermal conductivity, and improve dispersion
CN112724544BActive Publication Date: 2022-07-05YONGYI RUBBER CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
YONGYI RUBBER CO LTD
Publication Date
2022-07-05

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Abstract

The invention relates to the technical field of vulcanization bladders, in particular to a thermally conductive vulcanization bladder and a preparation method thereof, comprising the following steps: Step S100. According to rubber main materials: carbon black: thermally conductive filler: fiber filler: processing aid=100: (40~ 50): (10-20): (1-5): (3-6.5) mass ratios to prepare a first-stage mixed rubber; step S200. Add coordination to the first-stage mixed rubber in the step S200 The auxiliary agent and the vulcanization auxiliary are mixed to prepare the second-stage mixed rubber; Step S300. The second-stage mixed rubber in the step S200 is filtered and pressed into tablets and then matured; Step S400. After the curing in the step S300 The second-stage rubber compound is injected and vulcanized; step S400. Obtain the thermally conductive vulcanization bladder. The thermally conductive vulcanization bladder provided by the invention has high thermal conductivity, good mechanical properties, fast vulcanization speed and good comprehensive use performance.
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Description

technical field

[0001] The invention relates to the technical field of vulcanization bladders, in particular to a thermally conductive vulcanization bladder and a preparation method thereof. Background technique

[0002] The vulcanization bladder is a hollow thin-walled rubber product of the tire vulcanizer, which is used to load the inner cavity of the tire blank to be vulcanized and then pass the heating medium, and cooperate with the vulcanizer for shaping and vulcanization.

[0003] Put the formed embryo into the vulcanizing machine, and vulcanize it under a certain temperature, time and pressure. The vulcanization is to transfer heat from the inside and outside of the embryo to the embryo, the embryo absorbs heat, and the molecular chains generate cross-links. After the cross-linking reaches a certain level, the embryo becomes an elastomer, that is, a tire. The outer side of the tire relies on the tire steel mold for heat transfer, and the inner side relies on the tire...

Claims

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