RESINS AND RUBBER


PENTAERYTHRITOL

Pentaerythritol is a white, crystalline powder and is mainly used in the manufacture of alkyd resins as well as plasticizers and emulsifiers. 

Pentaerythritol is not hygr., flammable, readily soluble in hot water, in cold water slightly soluble, slightly soluble in alcohol, and insoluble in benzene, tetrachloromethane, ether and petroleum ether. 

Extraction:

The technical production is effected by the reaction of formaldehyde with acetaldehyde triple aldol reaction followed by a crossed Cannizzaro reaction. It is worked with a molar excess of formaldehyde in order to avoid the formation of dipentaerythritol. 

Chemical Properties:

The four OH-groups go mainly in for alcohols typical reactions, such as esterification with acids. In the case of esterification of pentaerythritol with nitric acid, which is not quite correctly called nitration, the pentaerythritol tetranitrate (nitropenta) is formed, which is one of the most explosive blasting today and it beats, for example, the much-quoted C4 by far in its devastating explosive effect and, therefore, is used by the military or exclusively for special areas. 

Chemical name: 2,2-Bis (hydroxymethyl) 1,3-propandiol 

Chemical formula: C5H12O4 

Packaging: Bigbags 500 kg and 1.000 kg, Bags 25kg, Bulk.


PENTAERYTHRITOL MICRONIZED

Pentaerythritol in micronized form is a white fine powder and is used primarily as a raw material for the production of fire protection coatings and paints.

Fire protection colors are colors with added flame retardants. Such paints are mainly used in commercial sectors - in private sector it is used extremely rare. In accordance with the legal requirements certain areas including fire stairs must be protected against fire. 

With the help of a flame retardant, the fire-protection is guaranteed. The most well-known flame retardants include, in particular, halogenated organic phosphorus compounds.

Chemical name: 2,2-Bis (hydroxymethyl) 1,3-propandiol 

Chemical formula: C5H12O4 

Packaging: Bigbags 500 kg and 1.000 kg, Bags 25kg.


DIPENTAERYTHRITOL TECHNICAL

The product is used in production of synthetic lubricants, PVC stabilizers, alkyd resins and fireproof coatings. 

Transportation and storage:

The product is transported by all modes of transport in accordance with the rules of goods carriage, valid for this mode of transport. The product is transported in closed transport facilities. The product is stored in closed well ventilated warehouses protecting the product from atmospheric precipitates, on pallets at the height of no less than 5 cm from the floor and at a distance of no less than 1 m from the heating units. The product is allowed to store packed in containers at open area under cover or without it, with additional protection from direct sunlight, on pallets at the height of 5+ cm from the ground.

Chemical formula: C10H22O7 

Packaging:  Bigbags (FIBC) net weight 500 – 1000 kg. 
Multiwall moisture-proof paper bags net weight 25 kg.


HEXAMINE (UROTROPIN) MICRONIZED

Hexamine in micronized form is a white, crystalline powder and is used as the starting material for the production of compounds for the rubber and tire industry. 

Chemical name: 1,3,5,7-Tetraazaadamantan 

Chemical formula: C6H12N4

Package: Bigbags 500 and 1000 kg, Bags 25 kg.

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BB Chemicals GmbH & Co. KG
Leipziger Str. 51
D-75181 Pforzheim
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