high efficient malaysia rubber accelerator dcbs for tires
high efficient malaysia rubber accelerator dcbs for tires
high efficient malaysia rubber accelerator dcbs for tires
high efficient malaysia rubber accelerator dcbs for tires
high efficient malaysia rubber accelerator dcbs for tires
  • What is a conventional curing system for elastomers?
  • Typical conventional curing systems for various elastomers are given below: This term is used for natural rubber, polyisoprene and butadiene based synthetic rubber compounds, when very low dosages of sulfur (below 0.4-0.5 phr) and higher dosages of accelerators (2.5 to 5.0 phr) are used.
  • What is accelerator in rubber vulcanization?
  • An accelerator is defined as the chemical added into a rubber compound to increase the speed of vulcanization and to permit vulcanization to proceed at lower temperature and with greater efficiency. Accelerator also Decreases the Quantity of Sulphur necessary for vulcanization and thus improving 'aged' properties of the rubber vulcanizates.
  • What are the technical needs of the rubber industry?
  • An important technical need of the rubber industry deals with enhancing rubber product performance to meet the ever increasing expectation of the marketplace. There are three areas in which efforts must be focused to realize this improvement: Reducing hysteresis to provide improved rolling resistance and lower heat build-up properties.
  • What challenges will the tire industry face in the 2000's?
  • The Tire Industry will be facing many challenges in the 2000's. One of which is the variation of rubber performance throughout the tire service life. Maintaining properties and performance throughout a tire service life is directly related to maintaining the integrity of the vulcanizate structure under thermal and / or oxidative conditions.
  • Is DCBS a carcinogenic accelerator?
  • DCBS is reported as non-carcinogenic accelerator [7, 8]. DBBS is also believed as a safe accelerator as it is an accelerator based on sterically hindered amines [9, 10]. Chemical structures of DCBS and DBBS are shown below: Single accelerator systems are the most widely studied because of the widespread use and simplicity of their cure mechanism.
  • Do DHTs and pk900 based cure systems improve the durability of compounds?
  • Recent studies further confirm that the use of DHTS and Pk900 would enhance the durability of compounds when cured at higher temperatures. This is illustrated in Table 9 and Figure 21. Figure 21 compares several properties of DHTS and Pk900 based cure systems in a natural rubber compound cured at 150°C and 180°C.

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