Polyols are sometimes characterized by quoting the weight percentage of hydroxyl groups. If you do not have access to view this content after you login, please contact Dow. All Rights Reserved. Call for Board of Director/Committee Volunteers. This website uses cookies to provide you the best experience. 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. 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 Tell us more about what you need and a member of our team will email or call you to complete your request. The EUs End-of-Life Directive is just one example of this. Alternatively, Polyurethane Foam Denitions - A-Side and B-Side. Complete testing is recommended priorto the application of the product. We request that you confirm your account is needed. Polyurethanes were invented in 1937 by Dr. Otto Bayer and primarily used as replacements for rubber during World War II. All Rights Reserved. *The shape factor is determined by dividing the area being pressed by the area that is able to bulge. The automotive industry is undergoing significant change. JavaScript seems to be disabled in your browser. The Mobility Platform team operates across businesses, functions, and geographies to coordinate one Dow global approach enhancing the customer experience. the result of Equation 6: where an acid number for the blend is calculated using the logic of Equation 6. 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. Together we can unlock the full potential of polyurethanes to deliver solutions that shape not only the way we work but also the way we live. 15% Eq. Supplier Profile. 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. Inefficiency Factor Harnessing digitalization with machine learning and AI. All factories are equipped with world-class and environmental-friendly technology. J. x {[100 (56100 Example: -N=C=O (NCO), and its concentration is measured by weight percent NCO. Adhesives Coatings & Elastomers. Therefore, pricing and availability will be revalidated the next time you visit your cart. www.autoneum.com. Dow Polyols combined with isocyanates and other additives make creating polyurethane innovations more durable and flexible, no matter the application. 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. Dow Chemical Company (Opinions are my own) Since the information of OH# was already provided (i.e. Copyright 2023 PMA. Dont have a recent invoice? This platform is also an example of Dows efforts to accelerate the adoption of novel digital technologies and find agile approaches to doing business in the rapidly-evolving business environment we find ourselves in.. Dow is a leading global supplier of silicone, polyurethane, polyolefin, acrylic and hybrid materials that have proven performance under the harshest automotive conditions. 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. 10.1oz. product analyzed hydroxyl (OH) content and acid number: For most polyols in use today, the acid number is very low and may be omitted. Alternatively, the equivalent weight of a polyol blend is wt.) from a Huntsman Technical Center Bulletin. Different grades of propylene glycol meanwhile are used in a variety of industries. 10% Discover our wide range of Dow Isocyanates to find the right product. Our integrated, in-house skills allow us to take our products from research and design to engineering and manufacturing and into more than 19 million vehicles every year. Sausage 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. Key Benefits of Polyurethane Additives Market Research: - Industry drivers, restraints, and opportunities covered in the study Recent industry trends and developments 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. in the same units as hydroxyl number. are a family of hydrophobic polyols that improve moisture and chemical resistance in coatings, adhesives, sealants and elastomers for an improvement of up to 50% in water uptake. Scaling and certifying our use of circular feedstocks enables Dow to meet customer demand for more sustainable products without tradeoffs in product performance. SPECLEX C will enable a wide range of flexible foam systems commonly used for comfort and acoustic purposes in interior, exterior and powertrain solutions in consumer and transportation applications. For more information, please visit www.dow.com or follow @DowNewsroom on Twitter. Determinethe required sealant joint sizes once the thermal expansion, substrate tolerancesand point of attachment are known. is used to calculate how many grams of a product needed for one equivalent of reactive groups. Common Urethane Calculations: Polyurethane Manufacturers Association Common Urethane Calculations Equivalent Weight The equivalent weight (eq. It is providing transportation-specific innovation, customized development, application expertise, technical support, and global reach at scale. 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Sealant is an effective substance based on silicone, acrylic or other compounds that is used to close minor joints or mechanically seal. All Rights Reserved. potassium hydroxide equivalent to the hydroxyl content in one gram of polyol or other hydroxyl compound. wt. Your account will be removed if you do not confirm by {{ReauthorizationDueDate}}. 5 Gal. If you select a new delivery address, pricing and availability for items in your cart may no longer be valid. The material is also applied to automotive headrest and seat cushions as well as insulators in refrigerators, freezers, walls and buildings. Remember, you can manage cookies in your browsers settings. Low- and high-density semi-rigid foams. References to Dow or the Company mean Dow Inc. and its subsidiaries. are useful in the production of high-resiliency, flexible molded foams and can be used to formulate coatings, adhesives, sealants and elastomers. For polyols, an average current cases included. 2021 Univar Solutions Inc. All rights reserved. This inevitably has created confusion and misuse. We continue to innovate and expand our flexibility to incorporate ever more circular feedstocks into the mix, said, Mary-Jane Hogg, global director green and circular feedstocks, Dow. } $unit.val($ddlUnit.val()); For anisocyanate, the reactive group is -N=C=O (NCO. Polymer Dow Polyols combined with isocyanates and other additives make creating polyurethane innovations more durable and flexible, no matter the application. of a polyol is approximated by the polyol equivalent weight (eq. Dows industry-leading feedstock flexibility capability enables us to explore new feed streams that others may not be able to accommodate. Thermoplastic Polyurethane Elastomers Market Analysis 2023-2029 | Segmented by Major Key Players (BASF SE, The Dow Chemical Company, Covestro, Lanxess, Stepan Company, 3M Company, Gallagher . An Email has been sent to with a unique code, please check your e-mail and enter the code below. MDI = Diphenylmethane Diisocyanate. Polyurethane Foam Denitions - Isocyanate Index if ($ddlUnit.val() == "English") { About Dow wt.) $('.english').hide(); {{ user.selectedShipTo }} {{ user.defaultDeliveryAddress.companyName }}, {{ user.defaultDeliveryAddress.formattedAddress }}. Consulting . Hydroxyl Number (OH Number): A number arising from a wet analytical method for the hydroxyl content of a polyol; it is the milligrams of Equivalent Weight of a Polyol Blend: For foam systems based on a blend of polyols, the net equivalent weight can be calculated by using For more information, visit www.dowpolyurethanes.com and follow us on Twitter and LinkedIn. = (eq.wt.) Increasing ingredient compatibility and decreasing surface tension, Reproducible reactivity for manufacturing consistency, Outstanding color retention during processing, UV color stability (available in some products), Offers good elastomeric and reinforcing properties to polyurethane foams and two-component CASE systems, Coatings, adhesives, sealants and elastomers, Structural reaction injection molding (RIM) materials. Sodium Hydroxide (Caustic Soda, NaOH, Lye), Coatings, Adhesives, Sealants, Elastomers and Rubber & Plastic Additives, Sustainability in Pharmaceutical industry. Mol. Has your company purchased from Univar Solutions? Silicone surfactants perform critical aspects of the foaming process including: Univar Solutions is your source for Dow Polyurethanes and ready to deliver where you need it, when you need it, how you need it. Although the definitions and formulas are all applicable for their intended use, they are often passed on and modified for special cases. Bucket Our tool will help you find consumption of acrylic, silicone and polyurethane sealant for your project. Discover our wide range of Dow Isocyanates to find the right product. Isocyanate In collaboration with Microsoft, Dow is integrating AI into a predictive intelligence capability to radically improve product formulation development process and accelerate time-to-market of differentiated solutions. to react with a given polyol blend, you must know the desired index (often 1.0), Determine the amount of sealants you may need for your project. equivalent weights of the polyols and any water present in the blend. x (4200 33.6) x {0.873 + 0.444 + 0.017} $($ddlUnit).change(function () { of any diol = [56,100 OH value] x 2 g/mol Structural sealants from Dow can supportthe weight of the panel or glass when used within the guidelines. 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. We request that you confirm your account is needed. Calculate how much sealant you need for caulking? of any diol = [56,100 OH value] x 2 g/mol Mol. Nederlnsk - Frysk (Visser W.), Environmental Pollution and Control (P. Arne Vesilin; Ruth F. Weiner), Financial Accounting: Building Accounting Knowledge (Carlon; Shirley Mladenovic-mcalpine; Rosina Kimmel), Macroeconomics (Olivier Blanchard; Alessia Amighini; Francesco Giavazzi), Microeconomics (Robert Pindyck; Daniel Rubinfeld), Pdf Printing and Workflow (Frank J. Romano), Principios de medicina interna, 19 ed. 3 Gal. Both substances rely on sophisticated production technology to ensure safer downstream products for consumers. Sign in with your account details to get access to our exclusive content. polyol B eq. (includes purchases from legacy Univar and Nexeo Solutions). }); Total weight of MDI required for reaction: group is -N=C=O (NCO), and its concentration is measured by weight percent NCO. VORANOL C will enable the production of a wide range of low- to high-density foams with low viscosity that provides easier handling and the flexibility to choose the optimum loading level for any application. What is the polyol, where an acid number for the blend is calculated using the logic of Equation 6.4. x (fn) = [56,100 OH value] x (fn) (unit: g/mol) Mol. Dow Polyurethanes develops and delivers a broad portfolio of technologies and customized solutions to customers in a variety of industries under its StructuralScience, ComfortScience, MobilityScience and InsulationScience category brands. In Dow we are passionate about creating products that offer circularity right from the beginning, said Dr. Esther Quintanilla, global polyurethanes and MobilityScience Director, Dow. Univar Solutions is your source for Dow Polyurethanes and ready to deliver where you need it, when you need it, how you need it. 2. Send us a note and well get back to you as soon as possible. This website uses cookies to provide you the best experience. For more information about our use of cookies, please view our Privacy Policy. March 23 will feature customer-exclusive, market-specific sessions dedicated to the innovations and technologies which are shaping polyurethane-based solutions. Isocyanate equivalent weight = 4,200 g/eq. Note:Note: If you do not receive the confirmation message within a few minutes of submitting this form then please check your Spam or Bulk E-Mail folder. Access datasheets, exclusive content and applications, Request Samples to support formulation work. Where X = Equivalent weight of the diisocyanate Customers include almost all automobile manufacturers in Europe, North & South America, Asia and Africa. Are you sure? Rigid foams. = (eq.wt.) wt. Receive the latest news about products, news and more! Castings each lot of polyol is provided by the manufacturer. (dowservice.custhelp/app/answers/detail/a_id/5732/session/L2F2LzEvdGltZS8xNTkyNjQ2MDMwL2dlbi8xNTkyNjQ2MDMwL3NpZC9mVW55WW. 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Contact Dow sophisticated production technology to ensure safer dow polyurethane calculations products for consumers sophisticated production technology to ensure safer products. Denitions - A-Side and B-Side and modified for special cases of any diol = 56,100... Chemical Company ( Opinions are my own ) Since the information of OH # was already provided ( i.e Dr.... Meanwhile are used in a variety of industries substrate tolerancesand point of attachment are known sealant for your.! Confirm your account is needed certifying our use of circular feedstocks enables Dow meet! You visit your cart transportation-specific innovation, customized development, application expertise, technical support, and global reach scale... Reactive group is -N=C=O ( NCO ), and geographies to coordinate one global. To accommodate check your e-mail and enter the code below application expertise, technical support, and to... The customer experience you do not confirm by { { ReauthorizationDueDate } } of high-resiliency, flexible foams... Minor joints or mechanically seal get access to view this content after you,! Is an effective substance based dow polyurethane calculations silicone, acrylic or other hydroxyl.... Manage cookies in your browsers settings of cookies, please contact Dow dows feedstock! They are often passed on and modified for special cases potassium hydroxide equivalent the! Please visit www.dow.com or follow @ DowNewsroom on Twitter ( i.e, sealants and elastomers confirm {. In product performance you the best experience polyurethanes were invented in 1937 by Dr. Bayer. On Twitter products, news and more and environmental-friendly technology weight percentage of hydroxyl groups the definitions and are! Both dow polyurethane calculations rely on sophisticated production technology to ensure safer downstream products for.! That is used to formulate coatings, adhesives, sealants and elastomers products for consumers sizes once thermal. On silicone, acrylic or other hydroxyl compound Univar and Nexeo Solutions ) demand for more,... Denitions - Isocyanate Index if ( $ ddlUnit.val ( ) ) ; for anisocyanate, the group! Sealant joint sizes once the thermal expansion, substrate tolerancesand point of are... 56100 example: -N=C=O ( NCO its subsidiaries the production of high-resiliency, flexible molded foams and be! Your cart may no longer be valid you confirm your account details to access... Polyol blend is wt. castings each lot of polyol is provided by the manufacturer polyol equivalent weight (.. Cushions as well as insulators in refrigerators, freezers, walls and buildings a polyol is by. Our use of cookies, please visit www.dow.com or follow @ DowNewsroom on Twitter, please contact Dow weight! Polyols are sometimes characterized by quoting the weight percentage of hydroxyl groups calculate how many grams of a is... Company mean Dow Inc. and its concentration is measured by weight percent.. Of Dow isocyanates to find the right product needed for one equivalent of reactive.! Downstream products for consumers and any water present in the production of high-resiliency flexible! - A-Side and B-Side using the logic of dow polyurethane calculations 6: where acid. 1937 by Dr. Otto Bayer and primarily used as replacements for rubber during World War II ensure safer products. If you do not confirm by { { ReauthorizationDueDate } } j. x [... This website uses cookies to provide you the best experience to formulate coatings, adhesives sealants! Of hydroxyl groups polyol equivalent weight of a product needed for one of. You login, please view our Privacy Policy news about products, news and more based... Dividing the area being pressed by the polyol equivalent weight of a product needed one. Is needed in product performance from legacy Univar and Nexeo Solutions ) Email has been sent to with unique. Scaling and certifying our use of cookies, please view our Privacy.. Equivalent weight the equivalent weight the equivalent weight ( eq our wide range of Dow isocyanates to find right... Harnessing digitalization with machine learning and AI feedstock flexibility capability enables us to explore new feed streams that may. During World War II all factories are equipped with world-class and environmental-friendly.! The polyols and any water present in the production of high-resiliency, molded! Reactive group is -N=C=O ( NCO of OH # was already provided ( i.e often passed on modified. Refrigerators, freezers, walls and buildings logic of Equation 6 do not have access view. Be used to close minor joints or mechanically seal its subsidiaries machine learning and AI contact.! Are my own ) Since the information of OH # was already provided ( i.e of 6. ( ) == `` English '' ) { about Dow wt. based. Information, please view our Privacy Policy and certifying our use of,. Modified for special cases environmental-friendly technology market-specific sessions dedicated to the innovations and technologies are. Sent to with a unique code, please check your e-mail and enter the code below creating innovations! More sustainable products without tradeoffs in product performance each lot of polyol is approximated by the manufacturer Dow... The product modified for special cases of high-resiliency, flexible molded foams can. A-Side and B-Side after you login, please visit www.dow.com or follow @ on! Shape factor is determined by dividing the area that is able to bulge enter the code.! 10 % Discover our wide range of Dow isocyanates to find the right product hydroxyl... Silicone, acrylic or other hydroxyl compound polyurethanes were invented in 1937 by Dr. Otto Bayer and primarily as..., walls and buildings the shape factor is determined by dividing the area that is able to.. ; for anisocyanate, the reactive group is -N=C=O ( NCO ), and global reach at.. Approximated by the area that is able to accommodate well as insulators in refrigerators, freezers, walls buildings. '' ) { about Dow wt. refrigerators, freezers, walls and.... Since the information of OH # was already provided ( i.e all factories are equipped with world-class and technology. Content in one gram of polyol is provided by the manufacturer the news... With world-class and environmental-friendly technology on Twitter the thermal expansion, substrate tolerancesand point of attachment are known polyol weight. Privacy Policy and more to calculate how many grams of a polyol blend is using. Rubber during World War II to automotive headrest and seat cushions as as. Innovations more durable and flexible, no matter the application is recommended priorto the.... You the best experience therefore, pricing and availability will be removed if you do confirm... Is wt. the shape factor is determined by dividing the area that used... Creating polyurethane innovations more durable and flexible, no matter the application of the product your cart no. Scaling and certifying our use of cookies, please contact Dow view this after... If ( $ ddlUnit.val ( ) == `` English '' ) { about Dow.! Downewsroom on Twitter learning and AI example: -N=C=O ( NCO during World War II to formulate coatings adhesives... An acid number for the blend high-resiliency, flexible molded foams and can be used to formulate coatings adhesives! In your cart may no longer be valid for their intended use, they are often passed and... For rubber during World War II coatings, adhesives, sealants and elastomers more durable flexible! Range of Dow isocyanates to find the right product of attachment are known special cases technologies which are shaping Solutions! To calculate how many grams of a polyol blend is wt. customer-exclusive, market-specific sessions to. Our Privacy Policy polyurethane Foam Denitions - Isocyanate Index if ( $ ddlUnit.val ( ) ) ; for anisocyanate the. Definitions and formulas are dow polyurethane calculations applicable for their intended use, they are passed. Is provided by the manufacturer the polyol equivalent weight ( eq as insulators in refrigerators,,... And any water present in the blend certifying our use of cookies, please contact Dow already (... Already provided ( i.e shaping polyurethane-based Solutions in one gram of polyol is approximated by the manufacturer provided (.! ; for anisocyanate, the equivalent weight ( eq = [ 56,100 OH ]! A note and well get back to you as soon as possible rubber during World War II during War... Machine learning and AI to support formulation work 6: where an acid number for the.. An effective substance based on silicone, acrylic or other hydroxyl compound is just one example of this the percentage. Check your e-mail and enter the code below includes purchases from legacy Univar and Nexeo )! Be revalidated the next time you visit your cart may not be able to accommodate { [ 100 56100! We request that you confirm your account will be removed if you do not have access to view this after... The reactive group is -N=C=O ( NCO ), and geographies to coordinate one Dow global approach enhancing the experience... Formulation work sent to with a unique code, please visit www.dow.com follow... Coordinate one Dow global approach enhancing the customer experience is -N=C=O ( NCO ), geographies... In the blend different grades of propylene glycol meanwhile are used in a of. Testing is recommended priorto the application hydroxide equivalent to the hydroxyl content in one gram of polyol is by! Latest news about products, news and more they are often passed on and modified for special cases OH was..., technical support, and geographies to coordinate one Dow global approach enhancing customer! Priorto the application of the polyols and any water present in the blend others may not be able to.! Dow polyols combined with isocyanates and other additives make creating polyurethane innovations more durable and flexible no... Is measured by weight percent NCO others may not be able to bulge Dow or Company...
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