If you do not currently purchase Dow products and would like to buy from us, please call one of our Customer service centers. = pbw MDI = index x MDI eq. Students also viewed Marriage Act 1954 - This is a reference document LLB-Ist Sem exams notification LLM-Syllabus material -02012 014 andhra university Univar Solutions is your source for Dow Polyurethanes and ready to deliver where you need it, when you need it, how you need it. very helpful. Dow Chemical Company (Opinions are my own) Since the information of OH# was already provided (i.e. Example: The lot analysis for a new batch of polyol indicates a OH Number of 54 and an acid number of 0. About Adient From complete seating systems to individual components, our expertise spans every step of the automotive seat-making process. Sealant is an effective substance based on silicone, acrylic or other compounds that is used to close minor joints or mechanically seal. These calculations are done using the product analyzed hydroxyl (OH) content and acid number: For most polyols in use today, the acid number is very low and may be omitted. Dow introduces more sustainable automotive solutions with SPECFLEX C and VORANOL C. HORGEN, SWITZERLAND - June 23, 2021 - Dow (NYSE: DOW) today announces a mass-balance approach to the . All other trademarks not owned by Univar Solutions Inc. or affiliated companies that appear in this material are the property of their respective owners. Dow VORASURF polyurethane additives help meet a variety of needs across a wide range of applications. Conversion to hydroxyl number is accomplished When the number of NCO groups is equal is to the number of OH groups, the result is a stoichioetric NCO : OH ratio of 1.0. Harnessing digitalization with machine learning and AI. The Companys ambition is to become the most innovative, customer centric, inclusive and sustainable materials science company, with a purpose to deliver a sustainable future for the world through our materials science expertise and collaboration with our partners. Dow Polyols combined with isocyanates and other additives make creating polyurethane innovations more durable and flexible, no matter the application. Our commitment to creating a more sustainable future by applying the power of materials science is stronger than ever. All Rights Reserved. (includes purchases from legacy Univar and Nexeo Solutions). Contact [emailprotected]. If you do not accept the deployment of cookies or restrict them in any way, you will not be able to use all the interactive functions on our website. Complete testing is recommended prior to the application of theproduct. For an isocyanate, the reactive group is. Answer: If I were given a random B-side; that is, a blend of two or more polyols, chain extender(s), blowing agent, catalyst package (front & back end), etc., the first thing that I'd need to do is establish the hydroxyl value (OH value, or OHV). from a Huntsman Technical Center Bulletin. An Email has been sent to with a unique code, please check your e-mail and enter the code below. Checking the box below signifies your acceptance of these Website Terms of Use, which apply to all purchases. {{ user.selectedShipTo }} {{ user.defaultDeliveryAddress.companyName }}, {{ user.defaultDeliveryAddress.formattedAddress }}. Your feedback is extremely valuable to us. Where X = Equivalent weight of the diisocyanate Applications range from industrial and infrastructure solutions, to consumer comfort solutions in flooring, furniture, bedding and footwear, to automotive solutions for vehicle interior, and energy-efficient insulation materials. To accelerate the digitalization of its business, Dow has embarked on an ambitious digitalization journey. This website uses cookies to provide you the best experience. wt.) x (fn) = [56,100 OH value] x (fn) The molecular weight (mol. Polyurethane Foam Denitions - Isocyanate Index (methylene diphenyl diisocyanate) isocyanates from Dow are characterized by their purity, low acidity and reproducible reactivity. of a polyol is approximated by the polyol equivalent weight (eq. Porter Novelli. polyol B eq. The goal is to transform its business by harnessing machine learning and AI. $('.metric').show(); For more information, visit www.dowmobilityscience.com and follow us on LinkedIn. Dow offers a number of base and high-performing isocyanates and polyols, which make formulating 2k polyurethane systems easy. 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Dow Thailand Groups polyurethanes business consists of the Polyurethanes Foam and the Propylene Glycol group. Our broad range of Dow Isocyanates provide a wide use of applications and solutions, so you are reassured you have the right product. Dows portfolio of plastics, industrial intermediates, coatings and silicones businesses delivers a broad range of differentiated science-based products and solutions for its customers in high-growth market segments, such as packaging, infrastructure, mobility and consumer care. For a mixture of polyols, the hydroxyl number of the mixture (OHm) is given by: Equivalent Weight of a Polyol: The weight of a compound per reactive site. For the best experience on our site, be sure to turn on Javascript in your browser. Polyurethanes are set to play a crucial role in the creation of solutions that sustain competitive advantage in a sustainable world. wt. ), and the weight fractions (pbw) and Determine the amount of primer you may needfor your project. It has also hampered proper field work evaluations and comparisons. "OHV,mgKOH/g = 47.5"), then assuming that OH# is accurate, one can use this following equation:. Dont have a recent invoice? With their wide range of products, you can easily formulate: Coatings, adhesives, sealants and elastomers. in the same units as hydroxyl number. $('.english').hide(); Dowoffers a full lineof high performance silicone structural glazing sealants. Molecular weight of a polyol: = (eq.wt.) We believe the way to achieve this is by exploring some of the most critical questions in our industry and in our end-markets, said Jane Palmieri, president, Dow Industrial Intermediates and Infrastructure. Remember, you can manage cookies in your browsers settings. Low- and high-density semi-rigid foams. wt. is used to calculate how many grams of a product needed for one equivalent of reactive groups. Sign in with your account details to get access to our exclusive content. of ethylene glycol = 56,100 1810 = 31.0 g/eq The Company develops and produces multifunctional, lightweight components and systems for interior floor and engine bay as well as the underbody. Polyurethanes were invented in 1937 by Dr. Otto Bayer and primarily used as replacements for rubber during World War II. What is the polyols An Email has been sent to with a unique code, please check your e-mail and enter the code below. Equivalent weight: Trademark of Dow or an affiliated company of Dow, [{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"BR","default":"pt-br"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"JP","default":"ja-jp"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"CN","default":"zh-cn"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"US","default":"en-us"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"ES","default":"es-es"},{"values":[{"value":"Portugus-Portuguese","languageCode":"pt-br","link":"javascript:void(0);"},{"value":"-Japanese","languageCode":"ja-jp","link":"javascript:void(0);"},{"value":"-Chinese","languageCode":"zh-cn","link":"javascript:void(0);"},{"value":"English","languageCode":"en-us","link":"javascript:void(0);"},{"value":"Espaol-Spanish","languageCode":"es-es","link":"javascript:void(0);"},{"value":"-Korean","languageCode":"ko-kr","link":"javascript:void(0);"}],"label":"KR","default":"ko-kr"}], If you are using Internet Explorer (IE), please switch to another browser for the best visual experience, Dow demonstrates the power of polyurethanes in shaping the future. 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