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Sales folder english - Adhesive Resins - Evonik Industries AG

Sales folder english - Adhesive Resins - Evonik Industries AG

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POLYVEST®<br />

Designed Polymers for <strong>Adhesive</strong>s & Sealants<br />

Liquid Polybutadienes<br />

With its POLYVEST® <strong>Evonik</strong> offers a range of stereospecific, low viscous and<br />

unsaponifiable liquid polybutadienes of different chemical composition:<br />

• POLYVEST® - non-functionalized liquid polybutadienes<br />

• POLYVEST® MA - maleic anhydride-functionalized liquid polybutadienes<br />

• POLYVEST® HT - hydroxyl-terminated liquid polybutadienes<br />

Our non-functionalized products differ in molar mass and viscosity.<br />

The MA-functionalized products are adducts of linear polybutadiene and maleic<br />

anhydride and differ in maleic anhydride content and viscosity. The anhydride<br />

groups are randomly distributed along the polymer chains and thus make the<br />

originally apolar polybutadiene more polar and accessible for various chemical<br />

reactions.<br />

The hydroxyl-terminated product is an alpha-omega-terminated diol of<br />

polybutadiene manufactured by radical polymerisation process. In addition to the<br />

double bonds in the polymer backbone, the hydroxyl functional groups provide<br />

opportunities for precise chemical modifications.<br />

The non-functionalized POLYVEST® grades are supplied in steel drums with<br />

190kgs net. The maleic anhydride-functionalized grades are supplied in steel drums<br />

with 180kgs net and 900kgs net IBC. POLYVEST HT® is available in steel drums<br />

and IBC. Road tanker delivery is possible for all grades.<br />

Your benefits<br />

The microstructure of our POLYVEST® grades makes them a highly reactive<br />

and cross-linking binder and provides them with properties including:<br />

• excellent chemical resistance<br />

• high water resistance<br />

• very good electrical insulation<br />

• very good cold-resistance<br />

• low moisture and oxygen permeability<br />

Our POLYVEST® grades can be used in a broad field of applications.<br />

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