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Exxpro™ 3035 Elastomer for Productivity Improvement, Performance Enhancement and Energy Savings for Tire Curing Bladder Applications

IP.com Disclosure Number: IPCOM000249699D
Publication Date: 2017-Mar-21

Publishing Venue

The IP.com Prior Art Database

Abstract

This article is directed to butyl rubber with resin cures system for manufacturing of tire curing bladders. These bladders have certain life cycles (Number of tire manufactured) based on various sizes of tires. After attaining a certain life cycle, these curing bladders have to pullout of service from the tire curing press. These pull outs lead to a loss of tire productivity, increase in press breakdown period, heat loss (Curing press temperature to be reduced) and labor loss in changing curing bladder. Exxpro™ 3035-based formulations for tire curing bladder provides a solution to improve bladder performance by improving cure rate index (Productivity and Energy saving), less change in hardness, and higher retention in tear resistance and energy at break properties (Hot air and Steam Aging).These improvements may not be achievable by using butyl rubber.

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Exxpro™ 3035 Elastomer for Productivity Improvement, Performance Enhancement and Energy Savings for Tire Curing Bladder Applications

Abstract: This article is directed to butyl rubber with resin cures system for manufacturing of tire curing bladders. These bladders have certain life cycles (Number of tire manufactured) based on various sizes of tires. After attaining a certain life cycle, these curing bladders have to pullout of service from the tire curing press. These pull outs lead to a loss of tire productivity, increase in press breakdown period, heat loss (Curing press temperature to be reduced) and labor loss in changing curing bladder. Exxpro™ 3035-based formulations for tire curing bladder provides a solution to improve bladder performance by improving cure rate index (Productivity and Energy saving), less change in hardness, and higher retention in tear resistance and energy at break properties (Hot air and Steam Aging).These improvements may not be achievable by using butyl rubber. Background: Tire curing bladders are flexible, sealed, rubber containers that are inflated inside uncured tires at pressure, temperature, and a various times during the vulcanization process of tire. These tire curing bladders are manufactured by compression/injection molding at high temperature around ~190°C by using butyl rubber (Exxon™ Butyl 268 rubber). Butyl rubber with resin cures system used for manufact...