cycloaliphatic


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cycloaliphatic

[¦sī·klō·al·ə′fad·ik]
(organic chemistry)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Polyset (Mechanicsville, NY) is a supplier of unique low molecular weight cycloaliphatic epoxy siloxanes.
the Araldite GY 783 low-viscosity epoxy resin combined with a low-viscosity, phenol free, modified cycloaliphatic polyamine hardener at the monomer/hardener proportion of 100:50 by weight, the pot life at the preparation room conditioning (20 [degrees]C and 65% relative humidity) was 35 min.
Most recently, Soucek has worked on isocyanate free technology using cyclic carbonates and acrylic crosslinkable, cycloaliphatic epoxides as replacements for bisphenol A in food-contactable coatings.
Bis(isocyanatomethyl)cyclohexane (ADI), a developmental cycloaliphatic diisocyanate, (15,16) shows good performance in a number of applications.
The curing agent for both types of resins was cycloaliphatic amine hardener DCure 304 (Epocat Nederland bv).
The cycloaliphatic polyamide of b/s(2-methyl-4-aminocyclohexyl)methane and C18 diacid was synthesized and shown to be a moldable amorphous polymer with lower density, increased flexibility, better chemical resistance and reduced clouding as compared to the corresponding polymer derived from dodecanedioic (C12) acid.
Epoxy resin, diglycidyl ether of bisphenol A (DGEBA), and epoxy hardener F-206, a low viscosity modified cycloaliphatic amine curing agent, were provided by Bajak Paint Co.
They're a rich source of the cycloaliphatic and aromatic structures that make good materials after polymerisation.
Cycloaliphatic epoxy resins (oxiranes) formulated with polyols, such as polytet-rahydrofuran, provided resins for dental composites with about one-half of the polymerization shrinkage of Bis-GMA based resins.6 Despite of the advantages of no air-inhibited surface layer and of high flexural strength, these resins have relatively high water sorption6-8, which might contribute to a significant decrease in wear resistance.9
The copolyester consists of repeat units of one or more aliphatic dicarboxylic acids, one or more aromatic dicarboxylic acids selected from the group consisting of terephthaliic acid, isophthalic acid and phthalic acid, and a stoichiometric amount of a glycol component consisting of one or more glycols selected from the group consisting of aliphatic glycols and cycloaliphatic glycols.
The FATIPEC 2006 International Conference for Paint Scientists and Engineers in Budapest in June heard from a number of Polish think-tanks and researchers, whose research includes hybrid polymer dispersions for coatings, new cycloaliphatic epoxides for photocationic curing and the use of metal oxides as potential active fillers for polymers.
The cycloaliphatic Vestanat [H.sub.12]MDI is an important building block for light-and weather-resistant polyurethanes with outstanding mechanical properties.