نتایج جستجو برای: 2 hydroxyethyl methacrylate
تعداد نتایج: 2534010 فیلتر نتایج به سال:
We synthesized the novel methacrylate monomer bearing an oxazolidone structure (M1) and performed radical polymerization of M1 by traditional procedures. The glass transition temperature (Tg) obtained polymer (P1) was a significantly high value compared to that poly(methyl methacrylate) typical poly(urethane methacrylate)s. copolymers monofunctional urethane derived from 2-hydroxyethyl phenyl i...
Hydrogels based on 2-hydroxyethyl methacrylate/dimethyl-aminoethyl methacrylate copolymers were prepared by gamma radiation-inducedco-polymerization at low temperature (−78◦C). The swelling behavior of hydrogels was studied by immersion of the polymer discs in buffered solutions at pH from 2 to 10. The hydration process was followed gravimetrically by measuring the water uptake of the discs as ...
Methacrylate-benzodioxinone (BDMA) as a monomer was firstly synthesized and then copolymerized with methyl methacrylate 2-hydroxyethyl via atom transfer radical polymerization (ATRP) in the presence of CuCl/pentamethyldiethylene triamine (PMDETA) catalytic system using ethyl 2-bromopropionate (EtBrP) an initiator. Successful formation block copolymer also confirmed detail by proton nuclear magn...
To selectively remove mercury(II), 2-hydroxyethyl methacrylate (HM) and methacrylate/acrylamide (HM/ACR) hydrogels were synthesized using radiation. These used in swelling, diffusion, binding studies. Swelling parameters for HM/ACR−Hg2+ system are higher than those of HM−Hg2+ systems. Binding Hg2+ has been observed to be C-type HM L-type HM/ACR hydrogels. calculated Freundlich, Langmuir Henry m...
Front Cover: In article number 2100336 by Akikazu Matsumoto and co-workers, RAFT polymerization of the BOC-protected 2-hydroxyethyl methacrylate was carried out to control molecular weight, polydispersity, chain-end groups, sequence structure block copolymers. The hydroxy-containing polymers produced acid-catalyzed deprotection were converted precursors for a thermally curing polymer network sy...
Newer non-reabsorbing implants have been developed to maintain the hypotensor effect of nonpenetrating deep sclerectomy. In this article the authors discuss a new non-reabsorbing implant with 2-hydroxyethyl methacrylate (Esnoper®, AJL Ophthalmics, SA, Miñano, Alava, Spain), its design, technique of implantation and the available scientific evidence.
To develop a self-etching primer for ground dentin, 4-acryloxyethyltrimellitic acid (4-AET) was newly synthesized, and the effect of concentrations varying from 0 (control) to 56.5 wt% 4-AET in the water/ HEMA primer on bonding to the dentin was investigated. Bond strength to the dentin was significantly affected by the inclusion of 4-AET in the primer which also contained N,N-di(hydroxyethyl)-...
The photodegradation of the azobenzene chromophore DR1 {4-[N-ethyl-N-(2-hydroxyethyl)amino]-4(?)-nitroazobenzene]} incorporated as a side chain or as a guest in a poly(methyl) methacrylate host has been evaluated as a function of wavelength, temperature, and the atmospheric environment. The effects of these variables on the lifetime of DR1-based electro-optic devices is quantified.
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