2- Hydroxyethyl acrylate

The second generation includes latices made with functional monomers like methacrylic acid, 2-hydroxyethyl acrylate [818-61 -17, acrylamide/75 -(9ti-/7, 2-dimethylaminoethylmethacrylate [2867-47-2] and sodiumT -vinyl-benzenesulfonate [98-70-4] that create in polymeric emulsifier. The initiator decomposition products, like the sulfate groups arising from persulfate decomposition, can also act as chemically bound surfactants. These surfactants are difficult to remove from the latex particle. 

VINYL PROPIONATE 2-HYDROXYETHYL ACRYLATE LEVULINIC ACID METHYL ACETOACETATE GLUTARIC ACID VALERONITRILE n-BUTYL ISOCYANATE N-HETHYL-2-PYRROLIDONE L-GLUTAMIC ACID CYCLOPENTANE 2-METHYL-1-BUTENE... 

Wang Y, Armitage BA, Berry GC. Reversible association of PNA-terminated poly(2-hydroxyethyl acrylate) fi om ATRP. Macromolecules 2005 38 5846-5848. 

A mixture consisting of the step 2 product (3.4 mmol), 2-hydroxyethyl acrylate (4.3 mmol), and 4-dimethylaminopyridine (1.1 mmol) was added to 30 ml of CH2CI2 and then treated with the dropwise addition of 1,3-dichlorohexylcarbodimide (3.9 mmol) dissolved in 10 ml CH2C12. After the addition was completed, the mixture was stirred at ambient temperature for 10 hours. The subsequent workup was identical to that described in step 1 and 1.6 mmol of product isolated. 

The a-methyl group on the backbone is known to cause significant differences in the molecular mobility of polymethacrylates and poly acrylates1. However, if its concentration is decreased by copolynierizing,27) HEM A with 2-hydroxyethyl acrylate (HE A), the temperature location of the y loss peak is stable (Fig. 9). This evidences that the energy... 

Fig. 18. Effect of the volume fraction of water on the temperature dependence of the shear loss modulus of poIy(2-hydroxyethyl acrylate) 1 = 0.00 2 = 0.07 3 = 0.16 4 = 0.46...

Among the substances which are described here, the polymers have only a vehicle function or they represent the deposit form. Besides the above-described polymeric N-oxides and plasma substitutes further water-soluble nontoxic polymers, such as polymers from 2-hydroxyethyl acrylate or methacrylate (71), alkylsulfinyl acrylates and methacrylates (72), diethoxyethylenes (73), and other substances as yet pharmacologically tested, are in question. Differentiation, however, can be between preparations, whose active substance has to be split off - a fact which has to be taken for granted in the case of substances that are active in the central nervous system -and substances that are still active at the polymeric carrier. Only recently it has been shown by Kaplan (74, 75) that this is possible, at least in such cases where an activity is to be supposed via receptors in the cell membrane. In many other cases this question cannot be cleared up unequivocally. 

G. Gallego Ferrer, J. M. Soria Melia, J. Hernandez Canales, J. M. Meseguer Duenas, F. Romero Colomer, M. Monleon Pradas, J. L. Gomez Ribelles, P. Pissis, and G. Polizos, Poly(2-hydroxyethyl acrylate) hydrogel confined in a hydrophobous porous matrix. Colloid Polym. Sci. 283, 681-690 (2005). 

Difunctional polydimethylsiloxane macromonomers were prepared by Katz et al. 30) in a completely different way using a cationic process. The polymerization of the cyclic tetramer of poly(dimethylsiloxane) (D4) was carried out in the presence of a disiloxane containing carboxy groups. Since this compound acts as a transfer agent carboxylic groups are introduced as end groups into the polymer molecules. These groups are subsequently reacted with 2-hydroxyethyl acrylate. The obtained diunsaturated PDMS macromonomers... 

Recently, Zhang and Kumacheva [43] introduced poly(A-isopropyl acrylamide-acrylic acid-2-hydroxyethyl acrylate) [poly(NIPA-AAc-HEA)] microgel particles... 

AA acac alt AIBN Ar Bd Bu BuA BuMA BzMA CMSty CR CT CTFE DBP DPn EA HEA HEMA HFP acrylamide acetylacetonate alternating azobisisobutyronitrile aromatic group butadiene n-butyl n-butyl acrylate n-butyl methacrylate benzyl methacrylate chloromethyl styrene counter-radical transfer constant chlorotrifluoroethylene dibenzoyl peroxide average degree of polymerization in number ethyl acrylate 2-hydroxyethyl acrylate 2-hydroxyethyl methacrylate hexafluoropropene... 

Copolymers, (II), consisting of 75% to 80%-Cig-acryIate and 2-hydroxyethyl acrylate having high side chain crystallinity were prepared by Bitler [2] and used as oil thickeners. 

A reactor was charged with 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-perfluoro-11 -decyl cyclotrimethyl-silane (0.1 mol), 2-hydroxyethyl acrylate (0.315 mol), and toluene (111.9 parts) and then treated with A,A-diethyIhydroxylamine (0.0126 mol). Thereafter the reaction was heated for 8 hours at 70°C, cooled to ambient temperature, washed with water, and concentrated. The product was isolated having a viscosity of 93.0 mm /s with a refractive index of 1.4018. 

In a 100-mlround-bottomflaskthe Step 2product was dissolved in DMF and treated with 2-hydroxyethyl acrylate (2.0 g) followed by glycerol and water (20 g), 1 1. The reactor was placed in an oil bath kept at 55°C and the polymerization was initiated using ammonium persulfate (50 mg) and accelerated with 0.1 ml A,A,A,A-tetramethylethy-lenediamine. The hydrogel formed immediately and was immersed in ethanol overnight, washed with ethanol, vacuum-dried for 20 hours, and the product was isolated. 

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