The mixture was prepared on clean glass substrate as a bulk films, at different thicknesses 0. Synthesis of new polyester polyols from epoxidized. Aromatic polyester polyols comprising the interesterification product of at least one phthalic acid based material, at least one hydroxylated material having a functionality of at least 2, and at least one low molecular weight sulfonated compound, are provided. Sulfonated polyether ketone ketone ionomers as proton. Cn100341919c sulfonatefunctional polyester polyols.
The centerpiece of the facility is a reactor, which carries out the process of synthesis of pet in a. Aromatic polyester polyols result from the polycon. The unsaturated polycarboxylic acid or derivative is substantially free of sulfonate functionality, thereby providing sulfonatefimctional polyester polyols having low color. The typical polyester polyol used in coatings is branched with a weight average molecular weight m w of 20004000. Agc produces polyether polyol preminol from propylene. Polyether polyol applications for flexible and rigid polyurethane foams, coatings, adhesives, sealants and elastomers. Synthesis of biodegradable and biocompotable polyesters. Important note before using the data contained in this report, you are strongly recommended to look at the following documents. Compatibility between poly bd r45htlo and polyether or. The preparation of cationfunctionalized multiwall carbon nanotubesulfonated polyurethane composites.
All copolyesters consisted of 30 mol % 5sulfoisophthalate units nasip and 70 mol % 2,5furandicarboxylic acid fdca, while the. The synthesis of sulfonated polymers by free radical copolymerization. Reaction between the polyester polyol precursor and a primary or secondary alcohol at melt polymerization temperatures revealed reduced transesterification of the polyester hard segment as a result of enhanced steric hindrance adjacent to the ester linkages. Long and shortchain polyether polyols for polyurethane. During the experimental production of each polyester polyol synthesis. Pdf polyesterether polyols were prepared by a clean method, consisting of pet wastes glycolysis with common diols diethylene glycol and. Aromatic polyester polyol 85 95 % diethylene glycol 111466 5 15 % 3 hazards identification emergency overview may cause irritation to eyes and skin. Polyols for polyurethanes and silane modified polyethers. Development of high performance polyether based elastomers. Neopolyol 250p is a premium quality modified aromatic polyester polyol based on phthalic anhydride with addition of flame retardant. Us20070208096a1 sulfonated aromatic polyester polyol. Hydrophilic pu foams from sulfonated polyols innovation. It is a clear liquid of low viscosity designed with chemical characteristics which bind pva, cmc, and starch to polyester fiber and polyestercotton fibers.
The preparation of cationfunctionalized multiwall carbon. Elastocyl tm x1polyester polyol mb polyester polyol carbon nanotubes masterbatches general information description elastocyl x1 is a development product range that d emonstrates the performance of carbon nanotubes cnt dispersion in elastomers. Effects of sulfonated polyol on the properties of the resultant aqueous polyurethane dispersions article in colloids and surfaces a physicochemical and engineering aspects 2761. Polyester polyols polyurethanes request quote or samples. The sulfonatefunctional polyester palyols are suitable for use, for example, in the manufacture of. July 23, 2010 the dow chemical company page 3 of 6 exposure potential16,17 diorez polyester polyols are used in the production of industrial and consumer products. Tmp with its three primary alcohol groups is used as a threefunctional. Polyester polyols were the first polyols used in the beginning of pu development, and are produced by polycondensation of a diacid with excess diol figure 1. The mixture was prepared on clean glass substrate as a bulk films, at different thicknesses. Trimethylolpropane tmp is a major intermediate with a wide range of applications in the chemical industry, the main ones being pur, polyester polyols, polyether polyols, binders and adhesives, synthetic lubricants, polyester and alkyd resin coatings.
Preparation of sulfonatefunctional polyester polyol. Polyester, refers to a group of polymers derived from the condensation of polyol and an acid generally. The synthesis of sulfonated polymers by free radical. Werner, princeton polymer laboratories, 501 princeton road, plainsboro, new jersey. Lundberg, corporate research science laboratories, exxon research and engineering company, p. The process intention is the production of polyether polyol only and in case the byproduct is sold, price allocation was applied. For example, sulfonated polyester polyol can be as the additive in the composition improving performance as the dispersiveness in aquo system, granulated material, and the dispersiveness of pigment or metallics for example is with the consistency of other material or the viscosity of reduction. Preparation of silicone modified sulfonated polyurethane. In addition, the sulfonate functional polyester polyol can be used as various compositions and polymkeric substance, and. It is a kind of high performance engineering plastics, used on a wide range of application. A stoichiometric excess of hydroxyl over carboxylic acid functionality ensures that the finished polymer is hydroxyterminated. In many cases hot melt adhesives are prepared with two types of polyester polyols.
Poly vinyl acetate pvapolyol were blended by weight 3. Sulfonatefunctional polyester polyols are derived from reactants comprising an unsaturated polycarboxylic acid or derivative thereof, a polyol, a lactone, and a sulfonating agent. Health effects eyes may cause mild irritation to eyes skin prolonged andor repeated skin. Aliphatic polyester polyols, aromatic polyester polyols. We have recently demonstrated the enzymatic hydrolysis of pef by cutinase 1 from thermobi. Polyester polyols from glycolyzed pet waste wiley online library. Description the diexter product line consist of polyester polyols with molecular weight between about 500 and 5000 dalton da, used for polyurethane production in the coating, adhesive, sealant and elastomer c. Textile chemicals polyester resins seydel companies. Stepan is dedicated to being a global leader in esterification and the product line reflects that stepan remains strictly a raw material supplier providing polyester polyols for the polyurethane elastomer industry, offering polyester polyol technical. These polyols may optionally include at least one hydrophobic material as an interesterification reactant. We offer one of the broadest ranges of aromatic polyester polyols for rigid foam applications, with hydroxyl values ranging from 120 to 350.
Pdf chemistry and technology of polyols for polyurethanes. Poly vinyl acetate pva polyol were blended by weight 3. Polyether polyols production basis and purpose document. Effects of sulfonated polyol on the properties of the. The byproducts had lower assignments than the main product polyether polyol. Huntsman offers a portfolio of terol polyester polyols for the polyurethanes industry. According to the report, the global polyester polyol is expected to witness a cagr of 5. Saion3 1membrane research unit, universiti teknologi malaysia, faculty of chemical and natural. The purpose of this document is to provide the rationale for the selection of the proposed standards for the polyether polyols production source category. Coim produces polyester diexter starting from organic diacids and polyfunctional diols or. Thermal and morphological study of segmented multiblock.
The silicone modified sulfonated polyurethaneacrylic composite emulsion was characterized by infrared spectroscopy. Polyester polyols are based on aliphatic and aromatic dicarboxylic acids are. Sulfonate functional polyester polyol of the present invention has various uses. Polyol structure and ionic moieties influence the hydrolytic. A sulfonated watersoluble or waterdispersible polyester resin composition comprises a prepolymer resin, which prepolymer resin is further reacted with about 0. Polymer polyether polyols graft polyols petol pp 101 petol pp 101 is a nonreactive polymer polyol, with a content of about 10% solid substance and with 3500 average molecular weight of base polyol, designed for the production of high hardness flexible slabstock foams. Polyester polyols are typically made from mixtures of diols, triols, and dibasic acids or anhydrides. The products of the chemistry described in this contribution, ie.
Sulfonatefunctional polyester polyols download pdf. Polyester polyols represent a versatile class of pu building blocks. Electric properties of polyvinyl acetate pva polyol and. This product is used to improve mechanical and fire performance of rigid pu and pir foams. Polyester polyols an overview sciencedirect topics. The leader in polyester polyols for urethanes 2 founded in 1932, stepan company is a publiclytraded manufacturer of specialty and intermediate chemicals serving consumer and industrial applications. The silicone modified sulfonated polyurethaneacrylic composite emulsion was obtained by mixing methyl methacrylatemma and butyl acrylateba monomers. A polyol containing long sulfonated side chain, designated as pess, was used to prepare aqueous polyurethane pu dispersions through the prepolymer mixing process in this study. Through the use of an isocyanate cure reaction they can. One polyol is crystalline polyol and other is noncrystalline liquid polyol that provides wetting of adhesive to the substrate. Micromorphology and adhesive properties of sulfonated. Polyester polyols produce high performance polyurethane systems with excellent oil resistance and good abrasion resistance. Synthesis and characterization of biobased polyester polyol. Ecoprofiles of the european plastics industry polyols a report by i boustead for plasticseurope data last calculated march 2005 1.
Stepans structureproperty expertise and broad product line of aromatic and aliphatic polyester polyols for c. The superior characteristics of polyester polyol based polyurethanes are explained by a better crystalline structure in the urethane segment, compared to the. Typically as polyethylene terephthalate pet,polybutylene terephthalatepbt, poly aromatic esters and other linear thermoplastic resin. The effects of this sulfonated polyol on the properties of the resultant waterborne polyurethanes wpus were studied. However, the enzymatic hydrolysis of sulfonated furanic polyesters has not yet been investigated, and the impact of the chain lengths of the diol. This is possible way to include noncrystalline 1,3pdo based polyester polyols into hot melt adhesives formulation. Sulfonated polyether ketone ketone ionomers as proton exchange membranes steven swier, yong sung chun, jeffrey gasa, montgomery t. Data sources and allocation the main data source is a primary data collection. Nevertheless, for these single cases, mass and price. Optimal cnt dispersion provides customers the benefits and. It only requires updating with the help of new data that are constantly. The diexterg products consist of diols and branched polyester polyols which are used in polyurethane coatings, adhesives, sealants and elastomers.
Sulfonatefunctional polyester polyols upshaw, thomas a. Thermal and morphological study of segmented multiblock copolyesters containing 2,2,4,4tetramethyl1,3cyclobutanediol inad dixit thesis submitted to the faculty of the virginia polytechnic institute and state university in. Our products polyester polyols, organic surfactants, phthalic. Aromatic polyester polyols app pu europe february 2016. Seycofilm pe350 is a sulfonated dispersion of a polyester copolymer designed to level acid dyes on all types of nylon fiber and fabric. Pdf polyesterether polyols for rigid polyurethane foams. Polyether polyols are key components used in the production of polyurethanes. Stannous octoate and ptoluene sulfonic acid catalysts were used in synthesis. Coim group produces the diexterg range of saturated polyester polyols. Difunctional monomers are used to obtain a linear polymer. This is mixed with different percentages of prepared sulfonatedphenol formaldehyde resin spf.
Synthesis of new polyester polyols from epoxidized vegetable oils and. Eastman triethyl phosphate tep continued aliphatic polyester polyol aromatic polyester polyol saturated polyester resin acrylic resin sucroseamine polyol protective coatings one method of reducing the quantity of organic solvents emitted to the atmosphere from protective coatings is to use highsolids formulations. The reference flow, to which all data given in this epd refer, is 1 kg of average aromatic polyester polyols app. In the examples a polymeric mdi is reacted with a polyol blend of a 3000mw, 8% eo, triol with up to 40% ww of a sulfonated diol. The branched polyether polyols serve in applications requiring rigidity, such as rigid foams, solid or microcellular plastic, and hard, solventresistant coatings.
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