Our aim to treat customers is to move customers with heart, and constantly improve the quality of our 4 4 1 3 phenylenebis oxy dianiline, biphenyl tetracarboxylic acid dianhydride, CAS 2479 46 1 and service. Our company is based in China, facing the world, providing satisfactory pyromellitic dianhydride amino to customers around the world, and cooperating with many manufacturers to jointly develop the market. In order to continuously improve the functions of each department and pay attention to the quality training of sales personnel, we will assign special personnel to deal with customer orders. Our company is founded on the principles of integrity, hard work, and excellence. We have a passion for excellence. We are proud to be a trusted supplier to businesses all over the world. We regard employees as the most valuable asset of the company and are willing to absorb talents with potential in the world. Our focus on building relationships with our clients enables us to deliver personalized solutions that meet their needs. Our company has unswervingly promoted the strategic transformation and management reform, gradually transformed into a new market-oriented company with advanced ideas and scientific management and created a new company full of vigor and vitality.
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![99.5% Recrystallization PMDA]()
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 -
![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 -
![N-Methylol Acrylamide]()
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 -
![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 -
![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 -
![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 -
![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-amino-2-methyl-1-propanol]()
2-amino-2-methyl-1-propanol2-amino-2-methyl-1-propanol (AMP)：is a high-performance additive and organic synthetic raw material that can be applied in electronics, new energy, cos-metics, coatings and inks, metal cutting,read 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 -
![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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Designed synthesis of large-pore crystalline polyimide ... - Nature...
Jul 23, 2014 · (b) Condensation of the extended dianhydride, pyromellitic dianhydride (PMDA) and the extended triamine tris (4-aminophenyl)amine (TAPA) gives a 2D crystalline polyimide COF...
Synthesis of New Amino—β-Cyclodextrin Polymer, Cross-Linked …...
Apr 19, 2021 · New, water soluble, polyampholyte CD polymer was prepared by crosslinking amino-β-cyclodextrin with pyromellitic dianhydride. The 1 H NMR and ESI-MS studies...
Synthesis of New Amino-β-Cyclodextrin Polymer, Cross-Linked …...
Apr 19, 2021 · New water soluble amino β-cyclodextrin-based polymer was synthesized by reaction between amino cyclodextrin derivatives and pyromellitic anhydride....
Growth of pyromellitic dianhydride on an amino-terminated surface...
Jul 10, 1995 · Pyromellitic dianhydride (PMDA) has been deposited on an amino-terminated surface, which was prepared by chemical vapor deposition of 4,4'-diaminodiphenyldisulfide (DAPS) on Cu(100)....
Characterization of New Polymer Material of Amino-&beta ... - MDPI...
Feb 28, 2023 · The β-cyclodextrin polymer (PβCD) cross-linked with pyromellitic dianhydride (PD) and functionalized with an amino group (PAβCD) was introduced into a matrix made of sodium...
Synthesis of New Amino—β-Cyclodextrin Polymer, Cross-Linked …...
New, water soluble, polyampholyte CD polymer was prepared by crosslinking amino-β-cyclodextrin with pyromellitic dianhydride. The 1 H NMR and ESI-MS studies confirmed the...
At the same time, we can design, customize and improve bulk purchase quaternary ammonium, DPG for skin tailored to customer needs and improve ourselves. As one of the leading pyromellitic dianhydride amino manufacturers and suppliers in China, we warmly welcome you to buy high purity pyromellitic dianhydride amino made in China here from our factory. All chemical products are with high quality and competitive price.
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