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About usChemson Industrial (Shanghai) Co., Ltd. was established in 1998. We mainly produce intermediate products such as rubber chemicals, high-purity ultrafine alumina, isopropanol aluminum, and secondary butanol aluminum. The company adheres to the principle of independent innovation as the main focus, supplemented by joint research and development with research institutes, and has achieved multiple scientific research achievements in the fields of rubber chemicals and ultrafine materials.
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Product centerWe mainly produce intermediate products such as rubber chemicals, high-purity ultrafine alumina, isopropanol aluminum, and secondary butanol aluminum. The company adheres to the principle of independent innovation as the main focus, supplemented by joint research and development with research institutes, and has achieved multiple scientific research achievements in the fields of rubber chemicals and ultrafine materials.
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News centerThrough nearly 20 years of in-depth and continuous research and development innovation, the company has been able to effectively integrate nano core technology with environmental protection, creating new products with higher practical value.
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The DOTG-70 of the pre-dispersed accelerator will lead to a very slow vulcanization start and a relatively slow vulcanization rate; the use of the pre-dispersed accelerator alone will DOTG-70 cause serious reversion, so it is necessary to use an effective antioxidant; when the pre-dispersed accelerator DOTG-70 is used in combination with thiols, sulfenamides, thiurams and dithiocarbamates, synergistic effect and secondary promotion effect can be obtained, and the crosslinking density and vulcanization rate are improved, the mechanical properties and anti-aging properties of the vulcanizate are good; the pre-dispersed accelerator DOTG-70 has no blooming phenomenon in the vulcanizate.
The pre-dispersed accelerator ZMBT(MZ)-80 is a quasi-overspeed and multifunctional accelerator for natural rubber and synthetic rubber, which endows vulcanized rubber with good physical and mechanical properties. Its vulcanization behavior is the same as that of the pre-dispersed accelerator MBT(M-80), the critical vulcanization temperature is 138 ℃, the vulcanized rubber has good aging resistance, it will neither change color nor pollute color, and can be used in light-colored rubber products.
Pre-dispersed accelerator MBT(M)-80 is a kind of quasi-speed and multi-functional accelerator with long vulcanization flat period, which endows vulcanizates with good physical and mechanical properties. In sulfur-free vulcanization compound, pre-dispersed accelerator MBT(M)-80 is used as anti-scorching agent; In CR compound, it is used as vulcanization retarder; alkaline accelerators such as aldehyde amines, guanidines, etc., as well as thiuram and dithiocarbamate accelerators are used to activate MBT(M)-80.
The pre-dispersed accelerator ZEPC(PX)-80 has a fast vulcanization rate in NR, SBR, NBR, EPDM and other synthetic rubbers. The addition of thiuram and thiazole accelerators can delay the initial vulcanization and improve the processing safety. Compared with the pre-dispersed accelerators ZDBC(BZ)-80 and ZDEC(ZDC EZ)-80, the scorch time is longer and the total vulcanization time is shorter; the basic accelerator has an activation effect on it; a small amount of pre-dispersed accelerator ZEPC(PX)-80 can be used as a secondary accelerator for thiols or thiuram accelerators; it can give vulcanized rubber higher tensile strength and resilience.
The pre-dispersed accelerator ZDEC(ZDC EZ)-80 has a fast vulcanization speed in NR, SBR, NBR, EPDM and other synthetic rubbers. The addition of thiuram and thiazole accelerators can delay the initial vulcanization and improve the processing safety. However, compared with the pre-dispersed accelerator ZDBC(BZ)-80, its scorching time is longer and the total vulcanization time is shorter, A small amount of pre-dispersed accelerator ZDEC(ZDC EZ)-80 can be used as an auxiliary accelerator for thiol or thiuram accelerators; it can also improve the tensile strength and resilience of vulcanizates.
99.99 gamma alumina powder is an odorless, tasteless white powder. It is an unstable crystal form, which transforms into θ-phase alumina at 1000 ℃ and α-alumina with stable crystal form at 1180 ℃.
Chemson Industrial (Shanghai) Co., Ltd. was established in 1998. The main production of rubber chemicals, high-purity ultra-fine alumina and aluminum isopropoxide, aluminum sec-butoxide and other intermediate products.
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