cellulose ester


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cellulose ester

[′sel·yə‚lōs ′es·tər]
(organic chemistry)
Cellulose in which the free hydroxyl groups have been replaced wholly or in part by acidic groups.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
It consists of a 0.8-[micro]m (31.5 mil) pore size cellulose ester membrane in a 37-mm (1.46 in) closed cassette (SKC Inc.
In conclusion, the best method for sterilizing LCOs is autoclaving, although if sterilization is required losses with mixed cellulose ester are similar to those with autoclaving.
Regenerated cellulose Microcon-3 Millipore Corp., Bedford, MA Regenerated cellulose Centricon YM-10 Millipore Regenerated cellulose Centricon YM-3 Millipore Regenerated cellulose Centri/por[R] Spectrum Europe BV, Breda, Cellulose ester The Netherlands Ultrafree[R]-4 (Biomax 5) Millipore Polysulfone Omega Microsep 1/Pall Gelman Sciences Polyethersulfone Omega Microsep 3/Pall Gelman Sciences Polyethersulfone Molecular cutoff, Maximum Maximum g Name/Manufacturer x1000 volume Visking tubing 8/32 Medicell International Ltd., 12-14 Variable London, United Kingdom Spectra/por Spectrum Laboratories, Inc.
Figure 8 illustrates that the two clearcoats containing cellulose ester lost more weight than the control clearcoat for each given time.
[FIGURE 3 OMITTED] Table 3: Impact of the molecular weight of cellulose ester on complex viscosity for coating formulations prepared at 17 s iso-viscosity Sample Total solids (%) Complex [viscosity.sub.t = 30 min] (Poise) CAB-L 22.4 23,000 CAB-H 17.0 30,100
This paper gives a detailed analysis of the effect of material selection and processing conditions on the performance of cellulose ester bio-plastics.
In conjunction with each other, these techniques have provided the ability to differentiate between coating additives and understand the effect that the molecular weight of cellulose esters has on the level of metallic flake alignment in coil coatings.
Eastman Chemical Company has made formulating waterborne coatings with CMCAB (carboxymethyl cellulose acetate butyrate) cellulose esters easier by updating its recommended solutions and dispersions recipes.
For this reason, much attention has been focused on the use of ionic liquids (ILs) as green solvents for synthesis cellulose esters with controllable DS values.
Wilson: Our cellulose esters are a very important portfolio of products for the printing inks market.
It contains abrasive cleaning particles comprised of a biodegradable thermoplastic material selected from the group consisting of biodegradable petroleum-based polyesters, thermoplastic starch, cellulose esters, and mixtures thereof (said biodegradable petroleum-based polyesters selected from the group consisting of polyesteramide, aliphatic copolyesters, aromatic copolyesters, and mixtures thereof); one or more surfactants selected from the group consisting of anionic, nonionic, cationic, amphoteric and mixtures thereof; and a first acidic component that consists of one or more chelating acids.
Hussain, Unconventional cellulose esters: synthesis, characterization and structure property relations, Cellulose, 10, 283 (2003).