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Pyromellitic DianhydridePyromellitic Dianhydride (CAS 89-32-7),We offer two grades of content: 98% and 99.5% .99.5% grade is the primary product for exporting. It is mainly used as a monomer for the synthesis of polyimideread more
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Cyanuric AcidCyanuric acid (CAS 108-80-5), is also known as Isocyanuric acid and tricyanuric acid, it is white crystal that precipitates from water and contains two molecules of water of crystallization. It has aread more
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N-Methylol AcrylamideN-Methylol Acrylamide (CAS:924-42-5) is also known as N-(Hydroxymethyl)acrylamide,It is white crystals,it is soluble in water and hydrophilic solvents,soluble in fatty acid lipids,almost insolubleread more
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99.5% Recrystallization PMDAPyromellitic Dianhydride (PMDA), due to its rigid benzene ring structure and the highly reactive anhydride groups, can effectively participate in polymerization reactions to form stable imide bonds.read more
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Polyester Polyols For PolyurethanesPolyester polyols are an important material for the manufacture of polyurethane hard foam insulation, soft foam, adhesives, elastomers, paints, inks, sealants, leather resins, shoe resins, TPU, andread more
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Polyether Polyols For PolyurethanesPolyether polyols (PPG)are a class of macromolecular compounds formed by alkali-catalyzed polymerization of ethylene oxide, propylene oxide, or other epoxides.read more
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Toluene DiisocyanateToluene Diisocyanate (TDI 80/20) (CAS 26471-62-5) is a mixture of 80% 2,4-toluene diisocyanate (CAS: 584-84-9) and 20% 2,6-toluene diisocyanate(CAS: 91-08-7). It is used in the production of flexibleread more
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3,3’,4,4’-Biphenyl Tetracarboxylic Diandhydride3,3 ',4,4 '-Biphenyl tetracarboxylic diandhydride, also known as BPDA, CAS 2420-87-3, molecular formula C16H6O6, used in the production of polyimide products and composites, pharmaceuticalread more
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Trimellitic AnhydrideTrimellitic Anhydride (CAS 552-30-7), Purity 97% min, is a white, flaky solid and primarily used to produce the PVC plasticizer dioctyl trimeric acid (TOTM).read more
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Maleic AnhydrideMaleic anhydride (CAS 108-31-6), Purity 99.%min, we can supply Reach certificate.In stock.read more
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Phthalic AnhydridePhthalic anhydride (CAS 85-44-9), purity 99.5%. We can provide both OX-BASE PA and NP-BASE PA. Our OX-BASE PA exceeds the national standard for superior grade.read more
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4,4 Diaminodiphenyl Ether4,4'-Diaminodiphenyl Ether, also known as ODA (4,4'-Diaminodiphenyl Ether), is an important organic compound with the formula C12H12N2O and a molecular weight of 200.24.read more
The invention relates to a chain extender master batch for PET extrusion foaming, a preparation method and application thereof, wherein the master batch is mainly prepared from the following...
Jul 5, 2024 · PMDA has proven to be an effective chain extender in a reactive extrusion system for recycled PET on an industrial scale. (18,19) Reactive extruded recycled PET was obtained with...
Aug 1, 2000 · The aim of this work was to increase the melt viscosity and the melt strength of PET scraps with a low intrinsic viscosity ([η]=0.48 dl/g), coming from the fiber production of a...
Reported herein is a novel approach to valorizing bottle-grade PET (PET-B) and thermoform-grade PET (PET-T) waste by developing a novel glycidol-free hindered epoxy as a CE to enhance the mechanical...
The synthesis of mellophanic dianhydride (MEDA) from biosourced 1,2,3,4-benzene tetracarboxylic derivatives and its use as a chain extender for mechanically recycled PET (R-PET) as an alternative to...
Dec 1, 2011 · In this work pyromellitic dianhydride (PMDA) was used as the chain extender to increase the molecular weight of the recycled poly (ethylene terephthalate) (R-PET) and improve the...
