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WESTON Liquid Phosphite Antioxidants
INNOVATIONAT YOUR DOORSTEPSAFETY AND SUSTAINABILITYAt Addivant safety and environmental concerns are key requirements of innovation. From saferproducts to preventing waste, we work to ensure the health and well-being of our associates and thecommunities we live and work in. And we do this all for you because we’re invested in your future.INVESTED IN THE FUTUREWe are committed to advancing Responsible Care , and seek ways to promote safe, environmentallyfriendly operations. We ensure global regulatory compliance through programs such as REACH .Innovating ahead to meet the exacting regulatory, safety and sustainability levels of the future.QUALITY IS OUR CULTUREContinuous improvement is our passion. By understanding and exceeding your requirements, ourinnovation delivers better solutions and services, all with the objective of creating value for you.
WESTONLiquid Phosphite AntioxidantsAddivant’s vision is to be the world’s most innovative manufacturer of phosphite solutions.Addivant has an exciting pipeline of new phosphite technologies, including low phenolsolutions for PVC applications.WESTON DHOPPoly (Dipropyleneglycol) Phenyl PhosphiteWESTON DPDPDiphenyl Isodecyl PhosphiteWESTON DHOP phosphite is a high molecular weightphosphite which has a relatively high phosphoruscontent. It has a free hydroxyl number of approximately20mg KOH/g. WESTON DHOP phosphite is useful asa secondary stabilizer for PVC resins where regulatoryapproval for food is not required.WESTON DPDP phosphite is an alkyl-aryl phosphitewhich is used as a color and processing stabilizer inpolycarbonate, polyurethanes, ABS polymers andcoatings where regulatory approval for food contact isnot required. It is also used as a secondary stabilizer inpolyvinyl chloride.WESTON DPPDiphenyl PhosphiteWESTON PNPGPhenyl Neopentylene Glycol PhosphiteWESTON DPP phosphite is a dialkyl phosphite whichcan be used to improve the color of unsaturatedpolyesters. In some polymers, WESTON DPPphosphite can be used as a stabilizer in applicationswhere regulatory approval for food contact is notrequired. It is also used as a secondary stabilizerto improve the light and color stability and to preventplate-out in polyvinyl chloride. This product has a highphosphorus content and a relatively low molecularweight.WESTON PNPG phosphite is a specialty alky-arylphosphite with a very high phosphorus content. It is aneffective secondary stabilizer for a variety of polymerswhere regulatory approval for food contact is notrequired.WESTON PDDPPhenyl Diisodecyl PhosphiteWESTON PDDP phosphite is an alkyl-aryl phosphitewhich can be used as a color and processing stabilizerin ABS, polycarbonate, polyurethane, coatings and PETfiber where regulatory approval for food contact is notrequired. It can also be used as a secondary stabilizerto improve color and heat stability in PVC.WESTON PTPHeptakis (Dipropyleneglycol) TriphosphiteWESTON PTP phosphite is a specialty product whichis useful when a high molecular weight phosphite isneeded. It has a free hydroxyl number of approximately275 mg KOH/g. WESTON PTP phosphite in foamedpolyurethanes, controls color development and preventsburn scorching.WESTON TDPTriisodecyl PhosphiteWESTON TDP phosphite is a trialkyl phosphite whichis used as a secondary stabilizer in ABS, polyethyleneterephthalate, PET fibers, coatings, lubricants, PVC,and polyurethanes. It can also be used in polyolefinswhere regulatory approval for food contact is notrequired.WESTON TLPTrilauryl PhosphiteWESTON TLP phosphite is a trialkyl phosphite whichcan be used as a lubricant additive to improveantifriction and antiwear characteristics. It also functionsas a sulfur deactivator. WESTON TLP phosphite maybe used as a stabilizer in PVC, polyester fibers and inpolypropylene when regulatory approval for foodcontact is not required.
WESTON TLTTPTrilauryl Trithio PhosphiteWESTON EHDPEthylhexyl Diphenyl PhosphiteWESTON TLTTP phosphite is a unique phosphitewhich contains sulfur. It can be used as an effectiveheat and thermal stabilizer for a variety of polymers. It isparticularly effective in polyolefins, where it acts toimprove processing and UV stability. WESTON TLTTPphosphite can also be used as an antioxidant and asulfur deactivator in lubricants while improvingantifriction and antiwear characteristics.Weston EHDP phosphite is a versatile alkyl-arylphosphite which can be used as a stabilizer in PVC andin many other types of polymers. In PVC, Weston EHDPprovides a low-volatility liquid which synergisticallyimproves the stability of mixed-metal stabilizers in PVCformulations. In non-PVC applications, Weston EHDPcan be used as a color and processing stabilizer inABS, polycarbonate, polyurethane, coatings, and PETfiber where regulatory approval for food contact is notrequired.WESTON TPPTriphenyl PhosphiteWESTON TPP phosphite is a versatile aryl phosphitewhich can be used as a stabilizer in many types ofpolymers including: adhesives, styrenics, engineeringthermoplastics, polyesters (to regulate viscosity andimprove color stability), polyolefins (as a catalystadjuvant), polyurethanes (to prevent scorching duringcuring and improve color stability), coatings, epoxies,and PVC where regulatory approval in food contact isnot required.WESTON 430Tris (Dipropyleneglycol) PhosphiteWESTON 430 phosphite is a specialty alkyl phosphite.It has a hydroxyl number of 395 mg KOH/g. It is aneffective heat, color, and viscosity stabilizer for a varietyof polymers including polyester fibers andpolyurethanes.WESTON 439Poly 4,4’ Isopropylidenediphenol — C12-15Alcohol PhosphiteWESTON 439 phosphite is sanctioned by the FDA foruse in rigid PVC and rigid vinyl chloride copolymers infood packaging applications. WESTON 439 phosphiteis used to improve the color and light stability and clarityof PVC and vinyl chloride copolymers. Improvedperformance is found when WESTON 439 phosphiteis used in conjunction with primary metal stabilizers andepoxy stabilizers.WESTON XR2655IsodecyldiphenylphosphiteWESTON XR2655 is a proprietary phosphite used as acolor and processing stabilizer in polycarbonate,polyurethanes, ABS polymers and coatings whereregulatory approval for food contact is not required. It isalso used as a secondary stabilizer in polyvinyl chloride.WESTON TNPPTrisnonylphenyl Phosphite(1) C45H69O3PWESTON TNPP phosphite is a versatile high puritystabilizer which is useful in a large number ofpolymers such as HDPE, LLDPE, SBR, ABS, PVC andothers. WESTON TNPP improves color andprocessing stability during recovery, drying,compounding, processing and end use.WESTON 705Nonylphenol-free Liquid AntioxidantWESTON 705 is a high-purity versatile phosphitestabilizer useful in a variety of polymer applicationssuch as HDPE, LLDPE, Elastomers, ABS and PVC.Designed to replace TNPP in those instances where anonylphenol-free alternative is sought.
WESTON INNOVATIVE LEADERWorld-leader in phosphite chemistry with arobust pipeline of innovative liquid phosphitetechnologies bringing value in operations andthroughout the value chain.GLOBAL FOOTPRINTThe world’s largest phosphite manufacturerwith 5 locations on 3 continents ensuresreliability of supply wherever in the world youoperate.COMMITMENTOngoing investment in our technology, oursites and our people to drive continuousimprovement in the cost competitiveness ofour operations, the performance of ourproducts in use and always with theprerequisite of the highest service and safetylevels.RELIABLE PARTNERWorking with our customers to createinnovative solutions that exceed theperformance and regulatory requirements oftoday and tomorrow.Addivant is committed to Responsible Care The information contained herein is correct to the best of our knowledge. Your attention is directed to the pertinent Material Safety Data Sheet for the products mentionedherein. All sales are subject to Addivant standard terms and conditions of sale, copies of which are available upon request and which are part of Addivant invoices and/ororder acknowledgments. Except as expressly provided in Addivant standard terms and conditions of sale, no warranty, express or implied, including warranty ofmerchantability or fitness for a particular purpose, is made with respect to the product described herein. Nothing contained herein shall constitute permission orrecommendation to practice any invention covered by a patent without a license from the owner of the patent.Copyright 2015. Addivant and Weston are trademarks of Addivant.addivant.com
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WESTON 430 phosphite is a specialty alkyl phosphite. It has a hydroxyl number of 395 mg KOH/g. It is an effective heat, color, and viscosity stabilizer for a variety of polymers including polyester fibers and polyurethanes. WESTON 439 Poly 4,4' Isopropylidenediphenol —C12-15 Alcohol Phosphite WESTON 439 phosphite is sanctioned by the FDA for
