中 文

N, N ’-4, 4- diphenylmethane  bismaleimide

 

Abbreviated: BMI or BDM.

CAS No. : 13676-54-5.

Formula: C21H14N2O4

molecular weight: 358.37.   

 structural formula:

 

2, technical indicators,

 

Iterms

unit

 index

Method   of acetone

 toluene

masterwork

appearance


light yellow or yellow solid powder.

Yellow or pale yellow crystalline powder

Yellow crystalline powder.

Melting point

148158

150158

152158

Acid value

mgKOH/g

1

Volatility

%

1

1

0.5

purity

%

98

98

99.5

200 degrees gel time

Min.

5

Toluene solubility


Soluble or a few insolubles

 transparent solution. Soluble

Clear and transparent solution

Suggested applications


mica tape products, high temperature   resistant insulating varnish

Glass fiber insulating laminated sheet,   pipe, parts, diamond sand wheel adhesive, engineering plastics modifier,   rubber vulcanization agent.

Advanced composite resin, aerospace   structural materials, high-grade printing electronic circuit boards,   high-performance mica tape..

 


usage:BMI level as manufacturing heat resistant structure material, H or F electrical insulating materials, a kind of ideal resin matrix are widely used in aviation, aerospace, electric power, electronics, computer, communication, automobile, railway, construction and other industries  .

1.Motor insulation materials,The high temperature resistant dipping paint (solvent and non solvent), wire coating, laminated board, knitting belt, mica tape, electronic copper clad, molded plastic, epoxy modified F ~ H class powder coating, casting pieces..

2. Advanced composite materials, polymer matrix: aerospace, aeronautical structure materials, carbon fiber high temperature resistant structure, high-grade printing circuit board and other functional materials, etc.).

3. Engineering plastics such as polypropylene PP, nylon, PBT, PA, ABS, APC, PVC, EPDM, PMMA material such as the enhancement of modifying agent (such as: glass fiber reinforced polypropylene to join < 1% of BMI, can make the mechanical strength and Martin heat resistant double effect), can also be used in new type rubber vulcanizing agent, etc. 

4. Wear resistant material, diamond wheel, heavy duty grinding wheel, brake pads, high temperature resistant bearing binder, magnetic materials, etc



PACKAGING

20kg or 25kg (net weight),kraft bag inner PE coated.

STORAGE

This material can be stable for 12 months under the normal storage conditions.However,precautions must be taken to avoid exposure to sunlight and always ,store this material in a sealed container under the dry and cool conditions.




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