LITHENE ULTRA AH

Lithene ultra® AH is a highly viscous, low molecular weight, liquid polybutadiene with a high content of 1,2 vinyl and cyclic vinyl microstructures. It is a low odour  and low VOC product used as a  binder in automotive adhesives, coagent for EPDM rubbers and in hard electrical encapsulation systems.

 

TYPICAL APPLICATIONS

 

Automotive semi structural  adhesives

Hard electrical encapsulants

Coagent in EPDM rubber compounds

 

Lithene ultra® AH is despatched from our UK production plant.



Available Documents

TDS Download

Technical Informations

Application Advice/Typical Applications

Handling - Lithene ultra® AH is a highly viscous liquid polymer. The viscosity of the product will decrease rapidly with increasing temperature and the product may be warmed to allow easier processing.

Compatibility - Liquid polybutadienes are generally compatible with most aliphatic and aromatic hydrocarbon solvents. They have limited solubility in alcohols, ketones and esters. Further details are available on request.



Lithene ultra® AH is a reactive polymer with a combination of 1,2 vinyl and cyclic vinyl micro structures which cure to give extremeley high cross link densities.Lithene ultra® AH is very low in odour and volatiles and is ideally suited for use in sulphur or peroxide cured EPDM rubber systems as a processing aid and to improve physical properties.

Lithene ultra® AH will readily cure at 160 - 200 °C in sulphur cured direct to oily metal, automotive adhesive systems particularly where high bond strengths are demanded. Adhesion of such sealants can be further increased by including Lithene ultra® AL-15MA in the sealant formulation.

Lithene ultra® AH can be cured with aromatic monomers and an appropriate peroxide initiator to form a hard, insulating resin for electric and electronic systems.

Further application and formulation advice is available on request.

Shipping and Storage

Lithene ultra® AH should be stored in cool, dry conditions below +30 °C (+86 °F). If stored in the original sealed packaging the product has a shelf life of at least 12 months from date of delivery. Product which has been stored for longer than 12 months should be tested before use. Containers which have been opened should be purged with dry nitrogen before resealing to protect the remaining product from oxidative skinning. Further information is available on the datasheet Storage of Lithene Liquid Polybutadienes. Lithene ultra® AH is packed in open top or bung top 200litre steel drums containing 175kg. The minimum order quantity is one pallet (four drums). 900kg IBCs are also available.

Product Security/Health and Safety

Before handling, please read the Safety Data Sheet of this product for advice on safety, use and disposal.

Effluents and Pollution Control

Before handling, please read the Safety Data Sheet of this product for advice on safety, use and disposal.

For further information regarding this product please refer to:

McInnes, Malcolm
Phone: +44(0)1279 436211
FAX:
eMail: Malcolm.Mcinnes@synthomer.com


Properties

Character Value Unit
Vinyl 1,2 45 - 55
Viscosity, @ 35°C 400 - 700 dPa.s 
Non volatile content >98.0
Typical molecular weight 1800 Mn 
Molecular weight distribution Broad  
Appearance Colourless to pale yellow viscous liquid  
Colour Max 200 Hazen 


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