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 -
![Cyanuric Acid]()
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 -
![Polymeric MDI]()
Polymeric MDIPoly[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 brownread more -
![Toluene Diisocyanate]()
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 -
![1,3-Bis(4-aMinophenoxy)benzene]()
1,3-Bis(4-aMinophenoxy)benzene1, 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 benzeneread more -
![3,3’,4,4’-Biphenyl Tetracarboxylic Diandhydride]()
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 -
![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 -
![Fumaric Acid]()
Fumaric AcidFumaric acid (CAS 110-17-8). We can provide industrial grade, feed grade, and food grade. Feed and food grades are white crystalline powders that are non-adhesive, have good fluidity, and possess anread 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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