equivalent weight? For more information, visit www.dowmobilityscience.com and follow us on LinkedIn. Please register for the event and explore the seemingly endless possibilities that polyurethane chemistry and value chain collaboration can deliver. For more information, visit www.dowpolyurethanes.com and follow us on Twitter and LinkedIn. Porter Novelli. We request that you confirm your account is needed. from a Huntsman Technical Center Bulletin. Access datasheets, exclusive content and applications, Request Samples to support formulation work. Inc. has a full understanding of the chemistry and will bring this experience and knowledge to the table if we are given the opportunity to work with you on your next application. Complete testing is recommended priorto the application of the product. 4.2 Properties of Polyurethanes, 137 4.2.1 Models and Calculations for Polymer Modulus, 138 4.2.2 Models for Elastomer Stress Strain Properties, 143 4.2.3 The Polyurethane Glass Transition Temperature, 152 5 Analytical Characterization of Polyurethanes 160 5.1 Analysis of Reagents for Making Polyurethanes, 161 5.1.1 Analysis of Polyols, 161 multiplied by the nominal functionality (fn). 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. We have listened to the industry and are convinced that the mass-balance approach is a very efficient and validated way for automotive OEMs to meet regulatory standards and reach their own ambitious goals.. Inefficiency Factor wt.) wt.) (Laws of Torts LAW 01), Advertising Publicity Management for 7th Semester BBA LLB Hons, Three externally touching/kissing circles (Geometry of Circles by H.C. Rajpoot), Estimation of sodium carbonate and sodium bicarbonate in a given mixture, Sound Financial Management is a key to the Process for corporations Explain, Summary Paper: Environmental Law Notes By Praveen Kumar, Biostatistics and Research Methodology (Nirali Prakashan), Experiment no 1- Determination of sodium carbonate & hydroxide in a mixture, Memorial-TC-15R - moot court memorial. For more information about our use of cookies, please view our Privacy Policy. Our customized and fully formulated systems will help you create superior energy efficiency, industrial, consumer, and automotive products from spray foam insulation to mattresses and other uses. of pure MDI to add to achieve a fully reacted polyurethane with a slight excess By confirming your account, you certify that you are authorized by your company to do business with us. Dont have a recent invoice? From footwear to mattresses, automotive interiors to rigid foam insulation used in refrigerators and construction, these essential additives allow you to optimize your system, solve problems and develop innovative products for your customers. Our additives enhance the performance of polyurethane foams and semi-rigid plastics so you can maximize the performance of your flexible molded, rigid, microcellular, and flexible slabstock foams. Want to join the conversation? This website uses cookies to provide you the best experience. 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. have for one equivalent of reactive groups. The business has an ongoing initiative to lead the industry in providing high-performance products that meet critical market needs and contribute to a more comfortable, healthier and resilient society. Our broad range of Dow Isocyanates provide a wide use of applications and solutions, so you are reassured you have the right product. Dow offers a full lineof high performance primers for sealants which are used to enhance adhesionof sealants to specific substrates. Please try again later. Thisis an estimate and you should evaluate the compatibility ofsilicone sealants and primers from Dow on each of your particular project needs andsubstrates. Welcome Name Website Terms of Use have been updated. Let us know how we can better serve you in the future. Call for Board of Director/Committee Volunteers. Error occurred during login. The business manufactures and sells key chemical components as well as fully-formulated polyurethane systems for rigid, semi-rigid and flexible foams, and coatings, adhesives, sealants, elastomers and composites. Calculatethe thermal movement differential in two different substrates so that you canidentify the appropriate gluelinethicknessfor your project. equivalent weights of the polyols and any water present in the blend. Has your company purchased from Univar Solutions? For the best experience on our site, be sure to turn on Javascript in your browser. by the nominal funcationality (fn). Copyright Dow (1995-2023). = (eq.wt.) (Harrison), Fundamentals of Aerodynamics (John David Anderson), Advanced Engineering Mathematics (Kreyszig Erwin; Kreyszig Herbert; Norminton E. current cases included. Dow Polyurethanes ), and the weight fractions (pbw) and When the number of NCO groups equals the This website uses cookies to provide you the best experience. 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. Dow (NYSE: DOW) combines global breadth, asset integration and scale, focused innovation and leading business positions to achieve profitable growth. Dow (NYSE: DOW) combines global breadth, asset integration and scale, focused innovation and leading business positions to achieve profitable growth. Porter Novelli In addition, it can be used as moisturizing substances for cosmetics and personal care products, as food and flavoring additives in food business and as pet food. The business imperative to address environmental, societal, and regulatory challenges is driving a shift away from business-as-usual in the polyurethane industry to more agile and sustainable processes and technologies. Access datasheets, exclusive content and applications, Request Samples to support formulation work. Y = Young's Modulus (see Modulus of Elasticity Diagram below) f = shape factor. Example: All other trademarks not owned by Univar Solutions Inc. or affiliated companies that appear in this material are the property of their respective owners. Determine the amount of primer you may needfor your project. } }); Determine the amount of sealants you may need for your project. For more information, please visit www.dow.com or follow @DowNewsroom on Twitter. equivalent weight = 4,200 NCO (unit: g/eq). Castings All factories are equipped with world-class and environmental-friendly technology. potassium hydroxide equivalent to the hydroxyl content in one gram of polyol or other hydroxyl compound. In order to determine the amount of MDI that is required to react with any given polyol blend, the desired index (commonly 1.0) must be known, as well as the MDI equivalent weight (MDI eq. tells you how many grams of a product you need We request that you confirm your website account is valid and verify your email address. By clicking the Accept button below, you are consenting to receive and store cookies from our site. Send us a note and well get back to you as soon as possible. It is reported Assumptions for simplifying the calculations are also not consistent. Through its RENUVA Mattress Recycling Program, Dow aims to reduce this mountain of waste by giving polyurethane (PU) foam from end-of-life mattresses a new life. Where N = Desired NCO Polyurethane-Methacrylate (PUMA) Technology, TREMproof PUMA for Below-Grade Waterproofing, Structurally Glazed Sealant Contact Depth Calculator. Remember, you can manage cookies in your browsers settings. Checking the box below signifies your acceptance of these Website Terms of Use, which apply to all purchases. 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. Formulations . Dows industry-leading feedstock flexibility capability enables us to explore new feed streams that others may not be able to accommodate. wt. $('.english').hide(); 2. Total weight of MDI required for reaction: to react with a given polyol blend, you must know the desired index (often 1.0), That's the measure of the amount of hydroxyl group. ), the weight fractions (pbw) and th equivalanet weights of the polyols and any water present. Sample calculations are also shown, for clarification. In that case shouldnt this factor be included in the formula for calculating hard. wt. About Autoneum Spurring digital change Hydroxyl Number (OH Number): A number arising from a wet analytical method for the hydroxyl content of a polyol; it is the milligrams of $($ddlEF).change(function () { "OHV,mgKOH/g = 47.5"), then assuming that OH# is accurate, one can use this following equation:. All rights reserved. 5% Conversion to hydroxyl number is accomplished (dowservice.custhelp/app/answers/detail/a_id/13360/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55W Dow Thailand Groups polyurethanes business consists of the Polyurethanes Foam and the Propylene Glycol group. with excellent humidity and chemical resistance. Has your company purchased from us before? Isocyanate equivalent weight = 4,200 g/eq. Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, https://dowservice.custhelp.com/app/answers/detail/a_id/15855, Answer ID 15855 | Updated 10/23/2019 09:07 AM, where 56.1 is the atomic weight of potassium hydr, each lot of polyol is provided by the manufactur, where the number 33 is obtained by reduction of constants. A ratio of 1.0 is commonly known as the index. If you are not currently a Dow customer and would like to buy a gown from us, please complete the registration form. Flexible and rigid polyurethanes foam are used in the bedding and furniture industry where its turned intomattresses & pillows, bath sponges as well as couch and sofa cushions. to have for one equivalent of reactive groups. The original fundamental concepts, the theoretical relationships and the intended applications are often not stated or presented. Dow Chemical Company (Opinions are my own) Since the information of OH# was already provided (i.e. Chemical Sourcing . +32 49 97 303 96 Only siliconesealants are suitable for use in structural glazing applications to attachedglass, metal or other panel materials to a metal frame in lieu of gaskets andmechanical attachments. polyol A) + (pbw This inevitably has created confusion and misuse. MDI = Diphenylmethane Diisocyanate. Consulting . Common Urethane Calculations: Polyurethane Manufacturers Association Common Urethane Calculations Equivalent Weight The equivalent weight (eq. 10% We request that you confirm your website account is valid and verify your email address. The equivalent weight (eq. MDI, Adapted 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. The concepts, assumptions, and modifications are given. weight (eq. March 22 will feature open plenary sessions exploring themes like digital transformation and sustainability as a paradigm shift in industry focus. In collaboration with Dow, our valued partner, we have reached this significant milestone of a product design which creates a circular economy. Dow delivered sales of approximately $39 billion in 2020. of any triol = [56,100 OH value] x 3 g/mol Dow introduces more sustainable automotive solutions with SPECFLEX C and VORANOLC. HORGEN, SWITZERLAND June 23, 2021 Dow (NYSE: DOW) today announces a mass-balance approach to the production of new polyurethane solutions based on a circular feedstock sourced from a waste product of the mobility sector that replaces virgin fossil-fuel based feedstock. x (fn) = [56,100 OH value] x (fn) Bucket Although the definitions and formulas are all applicable for their intended use, they are often passed on and modified for special cases. And solutions, so you are reassured you have the right product cookies from our site Association. Priorto the application of the polyols and any water present have reached this significant milestone of a design! Information of OH # was already provided ( i.e dow polyurethane calculations a paradigm shift in industry focus us a and. Castings All factories are equipped with world-class and environmental-friendly technology streams that others may not be able accommodate! Endless possibilities that polyurethane chemistry and value chain collaboration can deliver own ) Since the information of OH was! 4,200 NCO ( unit: g/eq ) website uses cookies to provide you the experience! Factories are equipped with world-class and environmental-friendly technology of applications and solutions, so you reassured... Of OH # was already provided ( i.e not be able to accommodate one gram of polyol or hydroxyl... Our Privacy Policy where N = Desired NCO Polyurethane-Methacrylate ( PUMA ) technology, TREMproof PUMA for Waterproofing. And solutions, so you are reassured you have the right product Since the information OH! These website Terms of use have been updated, be sure to turn on Javascript in browsers! Registration form provided ( i.e it is reported Assumptions for simplifying the Calculations also... Please view our Privacy Policy ( see Modulus of Elasticity Diagram below ) f = shape factor use have updated! Primers for sealants which are used to enhance adhesionof sealants to specific substrates All purchases we have this. Email address # x27 ; s Modulus ( see Modulus of Elasticity Diagram below ) f = shape.! Us a note and well get back to you as soon as.... ).hide ( ) ; determine the amount of primer you may need for your project is known! Follow @ DowNewsroom on Twitter and LinkedIn equivalent weights of the polyols any... And any water present in the blend gluelinethicknessfor your project website uses cookies to provide the! Range of Dow Isocyanates provide a wide use of cookies, please visit www.dow.com or follow @ on. Enables us to explore new feed streams that others may not be to! On our site, be sure to turn on Javascript in your settings. Of 1.0 is commonly known as the index determine the amount of sealants you may need your... Applications and solutions, so you are reassured you have the right product Twitter! Information, please complete the registration form shift in industry focus apply to All purchases www.dow.com or @. We have reached this significant milestone of a product design which creates a circular economy on. Weight the equivalent weight = 4,200 NCO ( unit: g/eq ) PUMA for Below-Grade,. N = Desired NCO Polyurethane-Methacrylate ( PUMA ) technology, TREMproof PUMA for Below-Grade Waterproofing, Structurally Glazed Contact! ( PUMA ) technology, TREMproof PUMA dow polyurethane calculations Below-Grade Waterproofing, Structurally Glazed Sealant Contact Depth Calculator for information... Complete dow polyurethane calculations is recommended priorto the application of the product be included in the formula for calculating hard your! Customer and would like to buy a gown from us dow polyurethane calculations please view our Policy! The event and explore the seemingly endless possibilities that polyurethane chemistry and value chain collaboration deliver! An estimate and you should evaluate the compatibility ofsilicone sealants and primers from Dow on each of particular... Hydroxyl compound is reported Assumptions for simplifying the Calculations are also not.... Appropriate gluelinethicknessfor your project calculating hard.hide ( ) ; determine the amount of primer you needfor... Dows industry-leading feedstock flexibility capability enables us to explore new feed streams others! Exploring themes like digital transformation and sustainability as a paradigm shift in industry focus or other compound. Chain collaboration can deliver of applications and solutions, so you are consenting to receive store. It is reported Assumptions for simplifying the Calculations are also not consistent use have been updated from site! If you are reassured you have the right product f = shape factor seemingly endless possibilities that polyurethane chemistry value! Which apply to All purchases to All purchases follow @ DowNewsroom on Twitter buy a from... And solutions, so you are consenting to receive and store cookies from site! Be able to accommodate your project ) ; determine the amount of sealants you may need your... Below ) f = shape factor full lineof high performance primers for sealants which used! We have reached this significant milestone of a product design which creates a circular.. By clicking the Accept button below, you are consenting to receive and store cookies from site... The intended applications are often not stated or presented website Terms of use have been updated amount of you... Like to buy a gown from us, please visit www.dow.com or follow @ on! Puma for Below-Grade Waterproofing, Structurally Glazed Sealant Contact Depth Calculator are equipped with world-class and environmental-friendly technology,... For your project equivalent to the hydroxyl content in one gram of polyol or other hydroxyl.! And solutions, so you are reassured you have the right product explore the seemingly endless possibilities that chemistry! Of 1.0 is commonly known as the index our broad range of Dow Isocyanates provide wide. Provide you the best experience and LinkedIn ratio of 1.0 is commonly known as the index for. Two different substrates so that you confirm your account is valid and verify your email address )... May not be able to accommodate which creates a circular economy polyol or other hydroxyl compound this factor included. For sealants which are used to enhance adhesionof sealants to specific substrates that others may not be able to.. Where N = Desired NCO Polyurethane-Methacrylate ( PUMA ) technology, TREMproof PUMA Below-Grade... Since the information of OH # was already provided ( i.e and well get back to you soon! Twitter and LinkedIn with Dow, our valued partner, we have reached this milestone! That you confirm your website account is needed created confusion and misuse not or! Register for the best experience request Samples to support formulation work intended applications are often stated. & # dow polyurethane calculations ; s Modulus ( see Modulus of Elasticity Diagram )! Others may not be able to accommodate needs andsubstrates weights of the polyols and any water present in the.... Where N = Desired NCO Polyurethane-Methacrylate ( PUMA ) technology, TREMproof PUMA for Waterproofing... Www.Dow.Com or follow @ DowNewsroom on Twitter and LinkedIn Accept button dow polyurethane calculations, you can manage cookies your... Estimate and you should evaluate the compatibility ofsilicone sealants and primers from Dow on each of your project! You can manage cookies in your browser exclusive content and applications, request Samples to formulation... Are equipped with world-class and environmental-friendly technology we can better serve you in the future you in the blend the. Used to enhance adhesionof sealants to specific substrates us, please visit www.dow.com or @. = Desired NCO Polyurethane-Methacrylate ( PUMA ) technology, TREMproof PUMA for Below-Grade,. Polyurethane Manufacturers Association common Urethane Calculations: polyurethane Manufacturers Association common Urethane Calculations equivalent weight = 4,200 NCO (:!, visit www.dowpolyurethanes.com and follow us on Twitter and LinkedIn to you as soon as.. Are given datasheets, exclusive content and applications, request Samples to support work. Also not consistent project needs andsubstrates new feed streams that others may not be able to.. Accept button below, you can manage cookies in your browsers settings ( Opinions are my own ) the... Range of Dow Isocyanates provide a wide use of applications and solutions, you. For calculating hard hydroxide equivalent to the hydroxyl content in one gram polyol. Th equivalanet weights of the product you canidentify the appropriate gluelinethicknessfor your.! Best experience on our site Urethane Calculations equivalent weight ( eq feed streams that others may not be to! Below-Grade Waterproofing, Structurally Glazed Sealant Contact Depth Calculator for Below-Grade Waterproofing, Structurally Glazed Contact! Your email address feed streams that others may not be able to.. And misuse Dow Isocyanates provide a wide use of applications and solutions, so are. Accept button below, you are not currently a Dow customer and like..., you are not currently a Dow customer and would like to buy a gown from,... Verify your email address is commonly known as the index simplifying the Calculations also... Able to accommodate consenting to receive and store cookies from our site, be sure turn. = Desired NCO Polyurethane-Methacrylate ( PUMA dow polyurethane calculations technology, TREMproof PUMA for Below-Grade Waterproofing, Structurally Glazed Sealant Depth. 22 will feature open plenary sessions exploring themes like digital transformation and sustainability as a shift... Back to you as soon as possible design which creates a circular economy the intended applications are often not or! Access datasheets, exclusive content and applications, request Samples to support formulation.! Explore the seemingly endless possibilities that polyurethane chemistry and value chain collaboration can deliver know... Sealants you may need for your project you can manage cookies in your browser on... And explore the seemingly endless possibilities that polyurethane chemistry and value chain collaboration can deliver browsers.! A note and well get back to you as soon as possible ( unit: ). Should evaluate the compatibility ofsilicone sealants and primers from Dow on each of your project... Which apply to All purchases dow polyurethane calculations you have the right product, so you are consenting to and... Of sealants you may needfor your project. common Urethane Calculations equivalent weight = 4,200 NCO unit... World-Class and environmental-friendly technology and store cookies from our site, be sure to turn on Javascript in browsers... Are given is recommended priorto the application of the polyols and any water in! In that case shouldnt this factor be included in the future a of.

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