Ethyleneglycol polyesters

AN 73.3, oxidizable binder (cellulose acetate lp ethyleneglycol diglycolate polyester 2p) 24.7 Cu cyanamide 2% are mixed and pressed into grains to give a burniqg rate of 0.12"/sec at lOOOlb/sq in under N]... 

In order to obtain a ready-for-use sensor array, the probe was immobilized in a block copolymer matrix (polyacrylonitrile-co-polyacrylamide Hypan), which is completely penetrated by water if exposed to it [102], Prior to immobilization, the sensor membrane was cast onto an optically transparent ethyleneglycol-terephthalate polyester support (Mylar). The resulting sensor foil was glued on a black 96-microwell format matrix. The sensor arrays were analyzed by means of time-resolved RLI and PDI methods (see Sect. 2.1) with an optical set up as illustrated in Fig. 6 at an excitation wavelength of 405 nm. The ratiometric images resulted in similar calibration plots for both methods (Fig. 14). The limit of detection and the dynamic range of this sensor foil are comparable to those observed with [Eu(Tc)] in solution [103]. 

Column 6 foot X inch glass column packed with 15% ethyleneglycol succinate polyester (EGS) on Chromosorb W (80-100 mesh). 

The development of highly crosslinked rigid polyisocyanurate foams opens an excellent area of applications for polyester polyols [4-8]. The required polyols do not need high functionality and the plasticising effect of polyester structures is extremely beneficial for these highly crosslinked systems [6]. The first polyester polyols used for these applications were low viscosity polycondensation products of AA with ethyleneglycol (EG) or diethyleneglycol modified with phthalic anhydride or triols. 

Polyesters. Main chain of their macromolecules is characterized by repeated — CO—O— groups. Unsaturated polyester resins are thermosets used mainly for manufacturing glass fibre-reinforced plastics products. The most wide-spread type of thermoplastic polyesters are polymers of an aromatic dicarboxylic acid (mainly terephthalic acid) and an aliphatic diol (e. g. ethyleneglycol or butanediol). The most important representatives of this group are poly(ethylene terephthalate) and poly-(butylene terephthalate). Polyarylate aromatic polyester is a high-temperature thermoplastic of an aromatic dicarboxylic acid (terephthalic acid) and an aromatic diol (bisphenol-A). In the chemical sense, polycarbonate is also a polyester. 

Adipic acid dimethyi adipate (polyesters), acrylamide (acrylonitrile co-polymers), acrylonitrile (acrylamide co-polymers), acrylic acid (acrylic polymers), buta-1,3-dlene (PS co-polymers, elastomers), butan-1,4-diol (polyesters), 2,2-bis(4-hydroxyphenyl)butan-1-ol (polyesters), 1,1-bis(4-hydroxyphenyl)cyclohexane (polyesters), 4,4 -(propane-2,2-diyl)-dlphenol known as bisphenol A (polyesters), ethyleneglycol (polyestere), formaldehyde (phenol-formaldehyde resins), isophthalic acid (PET), caprolactame and C -C,2 aminocar-boxyllc acids and their lactames (polyamides), melamine (amino-formaldehyde resins), methacryllc acid and methyl methacrylate (acrylic polymers), methylstyrene (PS and co-polymers), propyleneglycol (polyesters), sebacic acid and dimethyl sebacate (polyesters), styrene (PS and co-polymers), terephthalic acid and dimethyl terephthalate (PET), vinyl acetate (vinyl acetate co-polymers), vinyl chloride (PVC and co-polymers), vinylldenechlorlde (PVdC and co-polymers)... 

Further studies of equilibration reactions of aliphatic polyesters in solution catalyzed by titanium alkoxides were contributed by BiUmeyer et al. [16-18]. Semiyen et al. [19] used a dibutyltin salt for the preparation of cyclic oligomers by depolymerization of poly(tetraethyleneglycol succinate). Extraction and characterization of cyclic oligo(alkylene isophthalate)s and oligo(alkylene terephthalate)s [20-24] beg an in 1954 with the work of Ross et al. [20], who isolated the cyclic trimer from PET. A detailed study of 13 different polyesters was reported by Wick and Zeigler [25]. Semiyen et al. [26] were particularly interested in the depolymerisation of polyesters derived from tetra(ethyleneglycol) and phthalic, isophthalic and terephthalic acidacid, whereas Montaudo et al. [27] studied other polyesters of terephthalic acid. 

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