Over the years, we have been fully aware of the true meaning of the customer as God, and have continued to introduce new styles of maleic anhydride structure, NP BASE PA, trimellitic anhydride hs code strictly controlling quality and paying attention to after sales service.Supported by professional technical inspectors and perfect testing means, we ensure the stable and excellent quality of our PMDA for PET and are in the leading position in the same industry. The goods are obtainable in improved designs and richer variety, they're produced scientifically of purely raw supplies. After years of accumulation, we have the strength to independently research and develop products with a group of professional technical talents. Our focus on collaboration and partnership has helped us build strong relationships with our customers and suppliers around the world. Our core values are: customer first, happy and efficient, pursuit of excellence, and modesty. We implement full staff education and training, grasp the training and introduction of scarce talents, constantly optimize the team structure, enhance the quality of the team, and stimulate the creative energy of the staff. Our company products have high cost performance advantages compared with other similar products, and the enterprise enjoys good reputation among customers.
  • Pyromellitic Dianhydride
    Pyromellitic 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 polyimide
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  • Acrylamide Solution
    Acrylamide aqueous solution is a solution containing acrylamide,It is generally obtained by directly dissolving acrylamide in an aqueous solution.
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  • Acrylamide Crystal 98%
    Acrylamide Crystal 98% (CAS 79-06-1 ), also known as AM, the molecule of it has two active centers,both weak acidic and weak alkaline, so it is easy to self-polymerize.It is soluble in
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  • Polyether Polyols For Polyurethanes
    Polyether polyols (PPG)are a class of macromolecular compounds formed by alkali-catalyzed polymerization of ethylene oxide, propylene oxide, or other epoxides.
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  • Polymeric MDI
    Poly[methylene(polyphenyl) isocyanate] is a diisocyanate-diphenylmethane(MDI)-based composition containing some higher functionality isocyanates. The functionality is about 2.6-2.7. It is a brown
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  • 1,3-Bis(4-aMinophenoxy)benzene
    1, 3-bis (4-aMinophenoxy)benzene, TPE-R, CAS 2479-46-1, molecular formula C18H16N2O2, molecular weight 292.3318. It is a kind of chemical intermediate, containing two ether bonds and three benzene
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  • 2-Nitropropane
    2-Nitropropane also known as dimethylnitromethane or isonitropropane is a colourless, oily liquid with a mild and sweet odour. It is flammable and soluble in water. It is also soluble in many organic
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  • Trimellitic Anhydride
    Trimellitic 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).
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  • Maleic Anhydride
    Maleic anhydride (CAS 108-31-6), Purity 99.%min, we can supply Reach certificate.In stock.
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  • Phthalic Anhydride
    Phthalic 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.
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  • Pyromellitic Acid
    Pyromellitic acid (CAS 89-05-4), Purity 99.0% min. It is obtained by hydrolyzing the crude pyromellitic dianhydride and it is the main raw material used in the production of the curing agent B68 for
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  • Levulinic Acid
    Levulinic acid (CAS 123-76-2), with a purity of 99.0% min, is also known as fructosic acid. This product is primarily used as a raw material in the manufacture of resins, medicines, fragrances, and
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CN111269539A - Chain extender master batch for PET extrusion …...

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...

Upgrading and Enhancement of Recycled …...

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...

Structure and rheology of recycled PET modified by reactive extrusion...

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...

(PDF) Enhancing R-PET Recycling with PMDI Chain …...

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...

Biosourced Aromatic Derivatives in the Upcycling of Recycled PET ......

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...

Rheological and Thermal Behavior of Recycled PET …...

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...

The Pyromellitic acid for B68, methyl triphenyl phosphonium bromide molecular weight we deliver to customers and the market contain good economic value, environmental value, social value and humanistic value. As one of the leading PMDA for PET manufacturers and suppliers in China, we warmly welcome you to buy high purity PMDA for PET made in China here from our factory. All chemical products are with high quality and competitive price.
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