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N-Phenyl maleimide(NPMI)

N-Phenyl maleimide(NPMI)

  • Category:(Bis)Maleimide monomer
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  • Release time:2022-09-05 14:39:46
  • Product description

Chemical name:N-Phenyl maleimide
Molecular formula:C10H7NO2
Molecular weight:


Molecular weight:173.17
CAS NO.941-69-5




yellow powder


≥99 %

Initial Melting point

≥88 ℃

Loss on Drying




Properties:Yellow powder, has a strong irritating smell, insoluble in water, petroleum ether, soluble in common organic solvents, particularly soluble in acetone, benzene, ethyl acetate.
Applications:NPMI mainly used in polymer materials ( ABS, PVC, PMMA etc.) as heat-resistant modifier; in rubber industry,it is used as PP, PVC crosslinking agent; and it manufactures the adhesives improving t metal and rubber adhesive; and also can be as coating, photosensitive resin, rubber accelerator, insulating paint raw materials; It is an important midbody of medicine, pesticide intermediates, fuel.
NPMI is as a modifier of a thermoplastic resin excellent in heat, which has already widely used in the matrix resin and the adhesive of the advanced composite materials have workability, easy moldability, hot melt resistance, toughness, impact resistance and the excellent characteristics.The NPMI-15% blend of ABS can be made ultra-heat-resistant ABS.The heat resistance improve over 35 ℃. Added NPMI 25% in PVC, the thermal deformation temperature can be increased to 50 ° C. In Polyester acid ethylene added NPMI 25% can be increased to more than 70 ℃. NPMI and polystyrene, poly methyl methacrylate, polyamide, etc.,made of a thermoplastic resin plastic alloy, can effectively improve the performance of various types of resin.
Moreover, NPMI is an aquatic organisms evading the agents, the steel products containing 15% of the paint spray in the seawater 8 months do not grow Oyster and seaweed. The same time, as a broad-spectrum fungicide, pesticide field there are good prospects for application in the field of adhesive rubber chemicals also have broad uses.
Package:Kraft paper bag or cardboard barrels.25kg/bag(barrel)
Storage:The product should be stored in the dry and cooling place with good ventilation,avoiding exposure of the packaged product to direct sunlight.
Notes:According to customer requirements to provide any purity products; this product packaging could adjust based on customer requirements.

 Main business

      The company is mainly engaged in the research and development, production and sales of rubber auxiliaries, which are mainly used in the rubber industry.

      Through years of development, the company can now use the cleaning process to produce thiazoles, sulfenamides, thiurams, dithiocarbamates, vulcanizing agents and other rubber additives, with an annual production capacity of nearly 20,000 tons. The company has become the most complete enterprise of domestic accelerators. The comprehensive quality indicators of major products have reached or exceeded the level of internationally renowned enterprises. The output of thiram and dithiocarbamate products ranks in the same industry in the country. In the first place, it has become one of the world's most influential manufacturers of accelerator products, and has maintained a leading position in the development and application of new additives and innovative additives.



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