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Bridgestone’s foamed rubber technology behind Blizzak studless tire success

Monday, November 13, 2017
Tokyo, Japan - Bridgestone Corp.’s Blizzak studless tires have for the 16th consecutive year been the most popular tire choice for passenger cars in Japanese cities which see heavy snowfall. The tires possess overwhelming market strength in these cities, where they are installed on approximately half of all passenger cars. At the core of Blizzak tires is Bridgestone’s proprietary foamed rubber technology, which has continued to see improvements ever since it was first developed. The latest version of this technology has improved the Blizzak’s gripping performance by adding new silica to its formulation, increasing the tire’s ground contact force while maintaining the active foamed rubber’s softness and ability to remove the water layer. This has worked alongside changes to tread patterns to reduce the tire’s braking distance on ice by 10 percent, further boosting peace of mind. Since the active foamed rubber used in Bridgestone’s existing Blizzak VRX was already highly technically advanced, surpassing that level has been both difficult and challenging, says Shoko Sugae, who is in charge of developing the latest version of Bridgestone’s foamed rubber technology. Bridgestone arrived at the solution of adding small silica particles to the tire’s formulation through repeated trial and error, Sugae says. In the case of conventional silica particles, it was necessary to reduce the amount of friction modifiers blended to allow the silica to bind only to polymers contributing to grip force without being bonded to polymers contributing to pliability. As the latest version of Bridgestone’s foamed rubber technology uses smaller silica particles, the polymers can be fragmented more than before, and even when more friction modifiers are added, the particles effectively bind to polymers that contribute to grip force without binding to polymers that contribute to pliability. As a result, Sugae says, the new tire’s tread is able to maintain its softness while effectively sticking to stick to the ice, which is the ground contact surface after water is removed. This has led to significant improvements in the tire’s grip performance. - * Email


This Weeks Headlines - Past 7 Days

Friday, November 17, 2017
Myanmar rubber exports set to rise
Global carbon black market forecast to grow at a CAGR of 4.8 percent through 2024
Lanxess to purchase Solvay's U.S. based phosphorus unit
Continental to invest more than $9 million in its textile reinforcement business in Georgia
Book of the Day - Resistance and Stability of Polymers

Thursday, November 16, 2017
Trinseo starts up new production line at Zhangjiagang, China plant
Registration for the 19th Annual AMAP Conference & Workshop is now open

Wednesday, November 15, 2017
Call for abstracts issued, registration open for the International Conference on Plastics and Rubber Technology Spring 2018
Global silicone defoamers market forecast to reach $16.8 billion by 2025
Dow Chemical announces Evolv3D platform for high-performance 3D printing materials
FDA warns about illegal use of injectable silicone for body contouring and associated health risks
Thai farmers demand all board members of Thai Rubber Authority be dismissed

Tuesday, November 14, 2017
Falken chosen as OEM for the VW Polo
ChemSpec announces exclusive distribution agreement with M&B GreenUS
USW seeks Labor Secretary’s help in dispute with Korean tire company
Fluoroelastomers market forecast to reach $1.64 billion by 2022
Malaysia's natural rubber production fell 12.6 percent in September

Monday, November 13, 2017
Rubber farmers to protest in Bangkok over falling rubber prices
Global rubber machinery market forecast to reach $5.6 billion by 2021
Bridgestone’s foamed rubber technology behind Blizzak studless tire success
TechnoBiz holds Tire Technology training program in Bangkok in December
Songwon Industrial Group releases third quarter results




Todays Headlines



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