Wu, Nan published the artcileRelationships of the Degree of C=C Double Bond Conversion with the Dielectric Properties for SiO2/1,2-PB/SBS/EPDM Composites Cured by Organic Peroxide, Product Details of C42H63O3P, the publication is ChemistrySelect (2022), 7(3), e202104078, database is CAplus.
Polymer materials with low dielec. constant and dielec. loss play an indispensable role in high speed and stable signal transmission of electronic components. In this work, the SiO2/ 1,2-polybutadiene/ styrene-butadiene-styrene triblock copolymer/ ethylene-propylene-diene terpolymer (SiO2/1,2-PB/SBS/EPDM) composites were prepared with different content of organic peroxide (bis (1-(tert-Bu peroxide)-1-Me ethyl)-benzene, BIPB). A high degree of crosslinking reaction may occur during the curing process. Attenuation total reflectance Fourier transformation IR spectrometry (ATR-FTIR) anal. showed that the degree of C=C conversion (DC) increased with the increase of BIPB content, and the dielec. constant of the composites was reduced. However, the dielec. loss decreased initially and subsequently increased. The excess initiators transform into impurities and increase the polarization and conductivity, resulting in a larger dielec. loss value of the composite. The combined results show that the DC value of 92.76%, the dielec. constant of 3.37 and the dielec. loss of 0.0028 were obtained for the SiO2/1,2-PB/SBS/EPDM composites containing 3 part-by-weight (pbw) BIPB. Furthermore, the composite had good thermal stability and superior mech. properties.
ChemistrySelect published new progress about 31570-04-4. 31570-04-4 belongs to esters-buliding-blocks, auxiliary class Mono-phosphine Ligands, name is Tris(2,4-di-tert-butylphenyl) phosphite, and the molecular formula is C17H18N2O6, Product Details of C42H63O3P.
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