Technological innovation is the source of our business development. The company's R&D center meets the needs of consumers for scientific and technological goals, continues to attract professional and technical personnel at home and abroad, increases scientific research equipment, accelerates the development of phthalic anhydride sds, EINECS 209 008 9, nimir phthalic anhydride new products, and makes it more in line with the needs of market competition in the new century.We comply with humanized management, produce humanized products, and have become a benchmark enterprise in the Pyromellitic dianhydride uesd as chain extender industry. We require that the spirit of sincere cooperation is vigorously promoted and cultivated among employees, and the overall concept is firmly established. Our corporate culture is passion, dream, transcendence and commitment. Our company is committed to excellence in our products and services. We have a skilled workforce that is committed to delivering exceptional products and services to our clients. Our commitment to customer satisfaction is at the forefront of everything we do. We always adhere to the concept of talent is the first resource, the construction of the talent team as the first driving force for business development. We expect our employees, as well as our partners, to demonstrate integrity and fairness and to adhere to our standards.
  • 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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  • Cyanuric Acid
    Cyanuric 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 a
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  • N-Methylol Acrylamide
    N-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 insoluble
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  • 99.5% Recrystallization PMDA
    Pyromellitic 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.
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  • Polyester Polyols For Polyurethanes
    Polyester 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, and
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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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  • Toluene Diisocyanate
    Toluene 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 flexible
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  • Diphenylmethane
    Diphenylmethane (CAS 101-81-5), with a purity of 99.0% minimum, has aromatic properties and serves as an important intermediate in organic synthesis. It and its derivatives are widely used in various
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  • Acetoxime
    Acetoxime (CAS 127-06-0), Purity 99.5% min, is a raw material used in the production of medicines, pesticides, dyes, and silicone coupling agents.
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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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Chain Extension and Foaming of Recycled PET in Extrusion …...

Sep 6, 2005 · Pyromellitic dianhydride (PMDA) and Hydrocerol CT 534 were chosen as chain extender and CBA, respectively. The reactive extrusion and foaming were performed in a two...

Upgrading and Enhancement of Recycled Polyethylene ... - PubMed...

Jul 5, 2024 · Chemical chain extenders (CEs) can be used to restore the properties of recycled low-molecular-weight polyethylene terephthalate (PET). The aim of this work is to investigate...

Reparation of recycled acrylonitrile- butadiene-styrene by …...

In this work, pyromellitic dianhydride (PMDA) was used as a chain extender with hydroxyl units to covalently modify rABS resin through a simple melt-blending process....

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

Aug 1, 2000 · In this work pyromellitic dianhydride (PMDA) was used as a chain extender to increase the molecular weight of polyethylene-terephthalate (PET) industrial scraps with low...

Effect of Two‐Step Chain Extension using Joncryl and …...

Dec 17, 2019 · This research considers a two-step chain extension reaction in the presence of two chain extenders, Joncryl and Pyromellitic dianhydride (PMDA), as a solution for poor melt properties...

PET recycling and chain extension during reactive …...

Jan 1, 2008 · In this work pyromellitic dianhydride (PMDA) was used as a chain extender to increase the molecular weight of polyethylene-terephthalate (PET) industrial scraps with low intrinsic...

The implementation of sustainable development strategy allows us to have more time and energy to realize the research and development of new global quaternary phosphonium salt, pop 2015 polyol 15 , Activated Alumina Adsorption for Hydrogen Peroxide . As one of the leading Pyromellitic dianhydride uesd as chain extender manufacturers and suppliers in China, we warmly welcome you to buy high purity Pyromellitic dianhydride uesd as chain extender made in China here from our factory. All chemical products are with high quality and competitive price.
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