We have excellent development and testing equipment, equipped with professional network information platform, gathered many high-end talents in the maleic anhydride coa, chain extender PMDA, trimellitic anhydride producers industry, and cultivated a professional team with excellent technology and quick response.Innovation can improve product value, so that demanding to connect our core capabilities with the value that customers cherish, thus to provide customers with unique PMDA for polyimide to maximize satisfaction. The company insists on industrial upgrading and high-end products. We have implemented stringent quality control processes that guarantee the highest standards across all our products and services. We are proud to be a leader in our industry, setting the standard for excellence in our field. Our company is dedicated to driving long-term growth and success for our clients, through innovative solutions, exceptional service, and a commitment to excellence. We are committed to utilizing the latest technologies and resources to provide our clients with the best possible solutions.
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![Pyromellitic Dianhydride]()
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 -
![Acrylamide Solution]()
Acrylamide SolutionAcrylamide aqueous solution is a solution containing acrylamide,It is generally obtained by directly dissolving acrylamide in an aqueous solution.read more -
![Acrylamide Crystal 98%]()
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 inread more -
![99.8% Recrystallization 4,4’-OXYDIANILINE]()
99.8% Recrystallization 4,4’-OXYDIANILINE4,4'-Oxydianiline, is also known as 4,4'-ODA and 4,4'-Diaminodiphenylether, due to its structure containing two active amine groups, it can efficiently react with acid anhydrides to form stable imideread more -
![Polyester Polyols For Polyurethanes]()
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 -
![Polyether Polyols For Polyurethanes]()
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 -
![Diphenylmethane]()
DiphenylmethaneDiphenylmethane (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 variousread more -
![2-Nitropropane]()
2-Nitropropane2-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 organicread more -
![Trimellitic Anhydride]()
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 -
![Maleic Anhydride]()
Maleic AnhydrideMaleic anhydride (CAS 108-31-6), Purity 99.%min, we can supply Reach certificate.In stock.read more -
![Phthalic Anhydride]()
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 -
![Pyromellitic Acid]()
Pyromellitic AcidPyromellitic 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 forread more
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PMDA/ODA Polyimide - Big Chemical Encyclopedia...
PMDA-ODA polyimide filmswere prepared by spin coatingpolyamic acidonto silicon wafersand curing to 360°C for 1 hour. The cured filmthickness was approximately 10 pm. These samples were treated...
Reaction mechanism of PMDA with ODA to form polyimide...
First, the pyromellitic dianhydride (PMDA) reacts with p,p9-oxydianline (ODA) to yield polyamic acid polymer in N-methyl-pyrrolidone (NMP) as solvent. The poly- imide is then formed by a ring ......
PMDA/ODA Polyimide - Big Chemical Encyclopedia...
PMDA-ODA polyimide filmswere prepared by spin coatingpolyamic acidonto silicon wafersand curing to 360°C for 1 hour. The cured filmthickness was approximately 10 pm. These samples...
Chapter 1 POLYIMIDES: chemistry & structure-property …...
based route to process these polyimides. The process also enabled the first polyimide of significant commercial importance-‘Kapton™ ’, to enter the market. The process for most...
PPDA-PMDA polyimide aerogels with tailored ... - ScienceDirect...
11/1/2020 · P-phenylene diamine (PPDA) and pyromellitic dianhydride (PMDA) are chosen as diamine and dianhydride monomers respectively. PPDA and PMDA are selected based on their...
Preparation of PMDA/ODA polyimide membrane for use as …...
Nov 01, 2010 · The three polyimide membranes PI-0%, PI-6% and PI-24% were employed as substrates for fabrication of composite RO membranes. The polyamide thin films were...
Our company has perfect product testing equipment and system, and our germicidal quaternary ammonium, crown ether with good performance, Neol meet national and international standards and are at the leading level in the industry. As one of the leading PMDA for polyimide manufacturers and suppliers in China, we warmly welcome you to buy high purity PMDA for polyimide made in China here from our factory. All chemical products are with high quality and competitive price.
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