نتایج جستجو برای: acrylate monomer
تعداد نتایج: 22941 فیلتر نتایج به سال:
This data article includes emulsion stability comparison of cationic fluorosurfactant (CFS) against conventional surfactants. Span 80, Hypermer, Tween 80 and CTAB were used as conventional emulsifiers and only after 30 minutes bilayer phase separation observed in emulsions prepared by Tween 80 while CTAB failed to give fluoroemulsion, as compared to the CFS stabilized fluoro-HIPE which demonstr...
A series of binuclear nickel/palladium catalysts C4-C7 with conjugated α-diimine ligands were designed, prepared and fully characterized. The binuclear nickel complexes C6 and C7 were activated by modified methylalumoxanes (MMAO) to generate highly active ethylene polymerization catalysts with activities up to 1050 kg [mol (Ni) h](-1). The activity of C7 is twice that of the mononuclear analogu...
OBJECTIVES This study evaluated the clinical outcome of all-ceramic resin-bonded fixed partial dentures (RBFPDs) with a cantilevered single-retainer design. METHODS Thirty anterior zirconia ceramic RBFPDs were inserted using either a phosphate monomer containing resin (Panavia 21 TC; N=16) or an adhesive bonding system with a phosphoric acid acrylate primer (Multilink-Automix with Metal/Zirco...
In this investigation, a novel temperature-pH responsive copolymer was prepared by the radical copolymerization between 2-hydroxypropyl acrylate (HPA) and aminoethyl methacrylate hydrochloric salt (AMHS). The molecular structure of the corresponding copolymer has been confirmed by 1H NMR and FTIR measurements. The results indicated that the lower critical solution temperature (LCST) of the resu...
In response to present and future fossil resource depletion, chemicals production from an alternate raw materials base must be considered. The biologically catalysed degradation of photos:ynthetically stored energy, such as starch and ligno-cellulosics, is an important approach for chemicals production. The objective of this study is to increase the productivity of acrylate from propionate, usi...
Hydrogel systems with inducible variations in mechanical and chemical properties are of interest to many aspects of tissue engineering. Substrate-tethered hydrogel films, fabricated by copolymerization of hydroxyethylacrylate with the photolabile monomer 2-nitrobenzyl acrylate (2-NBA) and a crosslinker were shown to be responsive to UV light through cleavage of the 2-NBA moiety. The surface and...
Two dinuclear cobalt complexes based on bis-diketonate ligands (ligand 1: 3,3'-(1,3-phenylene)bis(1-phenylpropane-1,3-dione); ligand 2: 3,3'-(1,4-phenylene)bis(1-phenylpropane-1,3-dione)) were successfully synthesized. The two neutral catalysts all showed satisfactory activities in the cobalt-mediated radical polymerization (CMRP) of methyl methacrylate (MMA) with the common initiator of azodii...
Cathodic electrografting is an efficient technique to impart adhesion to poly(meth)acrylate coatings onto inorganic conducting surfaces. Although this technique was restricted for many years to very few monomers ((meth)acrylonitrile and (meth)acrylates) and to deposition of very thin polymer films, recent developments have overcome these limitations. First of all, classical controlled/living po...
New copolymers from hindered amines and vinyl monomers were synthesized by radical chain polymerization. To obtain polymeric HALS, acrylamide-(1ATP) and acrylate-(4ATP) monomers, derivatives from 2,2,6,6-tetramethylpiperidine and 2,2,6,6-tetramethyl-4-piperidinol were synthesized. The radical chain polymerization of 1ATP with styrene (Sty) using 1-butanethiol (BTN) resulted in a copolymer with ...
A hydrophilic ionic liquid monomer (i.e. 1-(a-methyl acrylate)-3-vinylimidazolium bromide) was immobilized on carboxylated multi-walled carbon nanotubes (MWNTs) by ion exchange, then reversible addition–fragmentation chain transfer precipitation polymerization (RAFTPP) was performed in the presence of a template, imidacloprid. The obtained imidacloprid imprinted material showed a netlike struct...
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