四硫化双戊撑秋兰姆
Nomination
Dipentamethy lene thiuram hexasulfide
C12H20N2S8
Molecular formula
C12H20N2S8
448.77
Molecular weight
448.77
灰黄色粉末,比重1.41-1.50。熔点不低于110℃。溶于二硫化碳、氯仿、四氯化碳、不溶于水。无味、无毒。贮藏稳定。
Physical properties
It isyellowish gray powder or granule,Specific gravity1.41-1.40。Itis soluble in carbon disulfide/trichoromethane and carbon tetrachloride and insoluble in water It has no-odor and no-toxicity.Stable for Storage
用于天然橡胶、乙丙橡胶、氯丁橡胶、丁苯橡胶、丁基橡胶、丁腈橡胶、异戊二烯橡胶、氯磺化聚乙烯橡胶的促进剂,加热分解能产生游离硫,亦可化硫化剂,有效含硫量为其重量的25%。本品亦可用于胶乳。作为硫化剂时,操作安全性好,硫化胶耐热,耐老化性能优良。
本品在氯磺化聚乙烯橡胶、丁苯橡胶、丁基橡胶中可作主促进剂。当于噻唑类促进剂并用时,特别适用于丁腈橡胶,其硫化胶压缩变形和耐热性能均佳。制造胶乳海绵时宜与促进剂MZ并用。[1]
Function
DPTT can be used as accelerator or curing reagent for rubber compounds,such as NR,EPR,SBR,IIR,
NBR,CSPetc.
项 目 | 指 标 |
外观 | 灰黄色粉末 |
熔点℃ ≥ | 105 |
加热减量:% ≤ | 0.5 |
灰份:% ≤ | 0.5 |
筛余物(100)目% ≤ | 0.1 |
Specification
Item | Requirements |
Appearance | Yellowish grey powder or granule |
Melting point℃ ≥ | 105 |
Heating decrement % ≤ | 0.5 |
Ash content% ≤ | 0.5 |
Residue(100Mesh)% ≤ | 0.1 |
项 目 | 指 标 |
外观 | 灰黄色粉末 |
熔点℃ ≥ | 105 |
加热减量:% ≤ | 0.5 |
灰份:% ≤ | 0.5 |
筛余物(100)目% ≤ | 0.1 |
Item | Requirements |
Appearance | Yellowish grey powder or granule |
Melting point℃ ≥ | 105 |
Heating decrement % ≤ | 0.5 |
Ash content% ≤ | 0.5 |
Residue(100Mesh)% ≤ | 0.1 |