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Polyether Polyol 8000

 Features of Polyether Polyol China 8000

Product Name: Polyether Polyol 8000

Chemical Formula: N/A

Polyether Polyol CAS Number .: N/A

Dangerous Grade: NO

Technical Data of Polyether Polyol 8000

 

ITEMS

SPECIFICATION

Appearance

Transparent

Colority(APHA)

≤50

Hydroxyl value(KOH mg/g)

14±1.5

Viscosity(mPa·s, 25℃)

2000-4000

Water content(%)

≤0.05

Acid value(KOH mg/g)

≤0.08

PH value

5-8

 

Package and Storage:

200kg/drum or 1000kg/IBC drum

Store in a cool, dry place. Keep container closed when not in use

Application /Application Industries:

PU foams

 

The polyether polyols with their molecular weight 6000—20000 have the properties of low viscosity, and narrow molecular weight distribution relatively with so high molecular weight. Our company can produce the polyether polyols according to the requirement of customers.

 

High flash point, flammable. Explosion: no explosion. Use foam, powder, steam and water to put out when it is Firing. Toxicity: almost nonpoisonous. If the products splash on the skin or in the eyes, it must be washed immediately with plenty of water or go to see the doctor.

 

The products are stored in ventilated and dry warehouse storage at Room temperature. The period of storage is a year. If the specifications are good, it can be used again after a year. Prevent them from rain and relief lightly in transportation. Be sure not to turn upside down. Steel drums with zinc-plated which weight is 200kg.

 

As one of polyether polyol suppliers, we also have types of DMC Catalyst for sale, if you have needs, please contact us.

 



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  Synthesis of DMC-based polyether polyol by a continuous method   A certain amount of DMC catalyst is taken and uniformly dispersed in a certain amount of small molecule initiator. Add 0.5 kg of the mixture of the initiator in the small test reactor. The vacuum was replaced 1-2 times with N2, and the N2 pressure was maintained at 0.1 MPa. After heating, stirring and raising the temperature to a certain temperature, the quantitative PO was introduced into the continuous autoclave with nitrogen gas for induction. When the induction is successful (the temperature in the kettle rises and the pressure drops), the PO is continuously passed to carry out the reaction. Open the outer loop and continue to pass the PO into the continuous kettle.   When the liquid in the reaction vessel is full, the PO, DMC catalyst and the initiator are continuously added to the kettle at a certain ratio and a certain speed through the power system. Continuous discharge is started when a certain pressure is reac