Results 51 to 60 of about 7,549 (220)
Porous maleic anhydride–styrene–divinylbenzene copolymer beads
The formation of the porosity and the pore stability in maleic anhydride–styrene–divinylbenzene (MAn–St–DVB) copolymer beads were investigated using the apparent density measurements of the samples dried from methanol (maximum porosity) and from dioxane (stable porosity).
openaire +2 more sources
Recovery of gangliosides from aqueous solutions on styrene-divinylbenzene copolymer columns [PDF]
An investigation was made using a styrene-divinylbenzene copolymer as a solid phase sorbent to recover gangliosides from aqueous solutions. A comparison with octadecyl-bonded (C18) silica gel showed that the general procedure used to purify gangliosides on C18 silica gel could be used with the copolymer.
Iuliana, Popa +3 more
openaire +2 more sources
Telomerization of Isoprene with Short Alcohols Using Novel Solid Molecular Phosphine Polymers
Solid molecular catalysts based on triphenylphosphine and tris(o‐methoxyphenyl)phosphine were designed and loaded with palladium via pre‐loading or in‐situ‐loading for use in telomerization with short alcohols. The pre‐loaded catalyst proved to be significantly more active.
Julia Nikodemus +7 more
wiley +1 more source
Monomer Sequence Distribution in Butadiene Styrene Copolymers
A method is described for determining styrene sequence distribution in butadiene-styrene copolymers. An analog computer is used to resolve overlapped peaks in the styrene aromatic proton NMR spectrum. In n-BuLi copolymers a quite quantitative distinction
B. L. Johnson, V. D. Mochel
core +1 more source
An efficient strategy for preparing monodisperse crosslinked polymer microspheres with phenylsulfonate via precipitation polymerization has been successfully established. Monodisperse microspheres are successfully obtained using a designed crosslinker even when the total crosslinker content was below 20 mol%. All the polymer microspheres possess a well‐
Md Rabiul Alam +3 more
wiley +1 more source
International audienceAbstract Magnetized styrene‐divinylbenzene resins can be obtained by inserting superparamagnetic nanoparticles of maghemite (γ‐Fe 2 O 3 ) in the polymeric matrix.
Gabriela Soares Macello Ramos +9 more
core +1 more source
The scientific literature lacks sufficient data on the transport of various toxic pollutants by polymer particles. Investigating how the structure of microplastic particles formed during the degradation of polymeric materials affects pollutant sorption ...
Olga Iakobson +6 more
doaj +1 more source
This study presents a practical aerobic photochemical strategy for the upcycling of polystyrene waste, combining bromine radical mediation with InBr3 catalysis. The approach efficiently depolymerizes diverse PS materials under mild conditions, yielding benzoic acid and enabling downstream production of value‐added compounds. The photochemical upcycling
Lydia Lavrenti +3 more
wiley +1 more source
Molecularly imprinted polymeric nanocarriers (nanoMIPs) offer robust, antibody‐mimetic platforms to overcome the blood‐brain barrier. The article surveys nanoMIP design and ligand‐directed surface engineering that harness receptor‐mediated transcytosis, and highlights therapeutic and diagnostic applications in neurodegeneration, brain tumors and ...
Ranjit De, Shuliang Shi, Kyong‐Tai Kim
wiley +1 more source
A variety of opaque white to light yellow polymeric material have been prepared by two methods, one copolymerization of styrene (ST), divinylbenzene (DVB), and grafting of linseed oil (LIN), and the second involves the copolymerization of the same ...
doaj +1 more source

