p-Methoxystyrene 释义 [医]对甲氧基苏合香烯
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英文: P. sibiricum, P. franchetii, P. gracile and P. odoratum were found in Lueyang County.中文: 研究结果如下:略阳县现有野生黄精属植物黄精(P. sibiricum)、簇叶黄精(P. franchetii)、细根茎黄精(P. gracile)、玉竹(P. odoratum )。英文: asymmetricus, P. ovalis, P. of.中文: dubins,P. ...
Cationic polymerization of p- methoxystyrene in miniemulsion. Macromolecules 2002, 35:7919-7927.Cauvin, S.; Sadoun, A.; Dos Santos, R.; Belleney, J.; Ganachaud, F.; Heḿ ery, P. Cationic Polymerization of p-Methoxystyrene in Miniemulsion. Macromolecules 2002, 35, 7919-7927....
Polymerization of p-methoxystyrene by radiation was studied in bulk. Upon drying the monomer, the rate of polymerization, Rsub(p), became greater, changing its dose rate dependence from 0.5 to 1. The molecular weight distribution of the obtained polymers failed to give a bimodal curve; however...
Molecular weight determinations by light scattering and osmometry and also measurements of intrinsic viscosity were made in toluene for fractions of styrene- p-methoxystyrene "random" copolymers with different compositions. Relationships between intrinsic viscosity and molecular weight thus established are ...
The kinetics of hydrogen abstraction by methyl radicals from poly( p-methoxystyrene) have been investigated, methyl radicals being produced by the photolysis ( λ = 254 nm) of the polymer under high vacuum. A new differential equation has been derived to describe simultaneous diffusion and reaction...
Cationic block and/or graft copolymerization of 1,3-dioxolane (DOL) onto poly(p-methoxystyrene) [poly(p-MOS)] was investigated. Block copolymer were obtained by the polymerization of DOL initiated with living poly(p-MOS) prepared with an iodine initiator in carbon tetrachloride at 015掳C. ...
The thermal decomposition and the glass transition temperature of poly p-methoxystyrene (PpOMeS) were studied with a (DSC-2) differential scanning calorimeter. The undecomposed and decomposed polymers were analyzed by gel permeation chromatography for molecular weight distributions and by DSC-2 for ...
Then copolymers of p-methoxystyrene and styrene have been prepared. The dielectric properties of the copolymers in a benzene solution have been measured, and it has been found that the value of the dipole moment, μ, of the p-methoxystyrene monomer unit in the copolymers increases with an ...