نتایج جستجو برای: urethane acrylate

تعداد نتایج: 8856  

2009
Yin Ye Wei-Li Shen Xian-Wen Wei

The title mol-ecule, C(12)H(10)BrNO(2), adopts an E configuration with respect to the C=C bond of the acrylate unit. In the crystal structure, mol-ecules are connected by a pair of inter-molecular C-H⋯O hydrogen bonds, forming a centrosymmetric dimer.

Journal: :Journal of neurophysiology 2010
Arjun V Sharma Trish Wolansky Clayton T Dickson

During sleep and anesthesia, a slow (<or=1 Hz) synchronized rhythmic fluctuation of the network activity in the neocortex (nCTX) is prominent. This rhythm, called the slow oscillation (SO), corresponds to sequences of neuronal activity and inactivity (UP and DOWN states) in local and extended networks. Recently, this network pattern has also been described in the hippocampus (HPC) and, interest...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2007
Daniela Accorsi-Mendonça Ricardo M Leão José F Aguiar Wamberto A Varanda Benedito H Machado

Because urethane is a widely used anesthetic in animal experimentation, in the present study, we evaluated its effects on neurons of the nucleus of the solitary tract (NTS) in brain stem slices from young rats (25-30 days old). Using the whole cell configuration of the patch-clamp technique, spontaneous postsynaptic currents (sPSCs) and evoked excitatory postsynaptic currents (eEPSCs) were reco...

Journal: :Journal of Adhesion Science and Technology 2021

Waterborne poly(urethane urea)s (PUDs) containing graphene derivatives with different morphologies and surface polarities were synthesized via in situ polymerization by using the acetone method. Sm...

Journal: :Berichte der deutschen chemischen Gesellschaft 1903

Journal: :The Journal of organic chemistry 2012
Anshu Singh Anil Kumar

The kinetic data for a Baylis-Hillman reaction in certain ionic liquids possessing ethylsulfate anion [EtSO(4)](-) demonstrate that the rate determining step (RDS) is second order in aldehyde, but first order in acrylate and DABCO. This observation is similar to the one made by McQuade et al., who carried out this reaction in an aprotic polar solvent like DMSO. However, this is in contrast to t...

Journal: :Soft matter 2016
H H Nguyen M El Ezzi C Mingotaud M Destarac J-D Marty N Lauth-de Viguerie

We report the behaviour of thermoresponsive block copolymers of n-butyl acrylate and N-alkyl acrylamides in [C2mim][NTf2]. Poly(N-isopropylacrylamide) exhibits an upper critical solution temperature in [C2mim][NTf2] whereas poly(n-butyl acrylate) has a lower critical solution temperature. Consequently, these polymers exhibit double thermo-responsiveness correlated with the macromolecular struct...

Journal: :Macromolecules 2021

Achieving a unique combination of stiffness, strength, extensibility, and toughness in sol-cast poly(urethane–urea) (PU) copolymer films is challenge since these properties are—in general—mutuall...

Journal: :AJNR. American journal of neuroradiology 1995
G Wikholm

PURPOSE To verify the permanence of total occlusion of cerebral arteriovenous malformations after embolization with N-butyl cyano-acrylate and to evaluate the occlusion rate. METHODS One hundred thirty-four patients were treated for cerebral arteriovenous malformations with N-butyl cyano-acrylate embolization after superselective catheterization. Those initially totally occluded have been fol...

2013
K. Swaminathan K. Sethusankar Raman Selvakumar Manickam Bakthadoss

There are two independent mol-ecules (A and B) in the asymmetric unit of the title compound C11H10BrClO2, which represents the Z isomer. The methyl-acrylate moieties are essentially planar, within 0.084 (2) and 0.027 (5) Å in mol-ecules A and B, respectively. The benzene ring makes dihedral angles of 13.17 (7) and 27.89 (9)° with the methyl-acrylate moiety in mol-ecules A and B, respectively. T...

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