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ENDEX™ 160 Hydrocarbon Resin
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Producer: 
Eastman
Brand: 
ENDEX
A water-white thermoplastic resin made from purified aromatic hydrocarbon monomers. Used to modify the melt flow and increase the temperature resistance of styrenic plastic and rubber. Reinforces the styrene end blocks of styrenic block copolymers. In adhesives Endex™ 160 hydrocarbon resin will associate with the styrenic endblocks, producing higher cohesion at temperatures up to 70°C without affecting tack and adhesion properties. Endex™ 160 hydrocarbon resin has the highest softening point among all hydrocarbon resins available from Eastman Chemical Company.

ENDEX™ 160 Hydrocarbon Resin

Producer: 
Eastman
Brand: 
ENDEX
A water-white thermoplastic resin made from purified aromatic hydrocarbon monomers. Used to modify the melt flow and increase the temperature resistance of styrenic plastic and rubber. Reinforces the styrene end blocks of styrenic block copolymers. In adhesives Endex™ 160 hydrocarbon resin will associate with the styrenic endblocks, producing higher cohesion at temperatures up to 70°C without affecting tack and adhesion properties. Endex™ 160 hydrocarbon resin has the highest softening point among all hydrocarbon resins available from Eastman Chemical Company.
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Identification & Functionality

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Features & Benefits

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CASE Ingredients Features
Product Highlights
  • Heat stability
  • Highest softening point available
  • Pure aromatic monomer composition
  • Water-white initial color

Properties

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Compatible Resins & Binders
Typical Properties
ValueUnitsTest Method / Conditions
Cloud Point DACP-12.0°C-
Cloud Point MMAP16.0°C-
Cloud Point OMS152.0°C-
Color, Gardnermax. 1-ASTM D 6166
Glass Transition Temperature (Tg)110.0°C-
Melt Viscosity 10 poise245.0°C-
Melt Viscosity 100 poise210.0°C-
Melt Viscosity 1000 poise180.0°C-
Molecular Weight Mn2900.0--
Molecular Weight Mw9200.0--
Molecular Weight Mw/Mn3.6--
Molecular Weight Mz22500.0--
Ring and Ball Softening Point158.0°CASTM E 28
Compatibility and Solubility

Compatible with polystyrene or styrene-containing polymers. Incompatible with polyolefins, natural rubber, butyl rubber, EPDM, and EVA. Soluble in aliphatic, aromatic, and chlorinated hydrocarbons; esters; and ketones. Insoluble in alcohols and glycols; limited solubility in nitroparaffins. For low or zero VOC systems Endex™ 160 is soluble in the VOC exempt solvents t-butyl acetate (TBA) and perchlorobenzenetetrafluoride (PCBTF) and will tolerate some acetone and/or methyl acetate as a diluent in solvent systems based on TBA and/or PCBTF. VOC exemptions and environmental regulations vary regionally and compliance with local standards should be verified before any claims about VOC content are made.

Regulatory & Compliance

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Certifications & Compliance

Packaging & Availability

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Packaging Information

Pastilles, in multiwall paper bags (50 lbs, 22. 7 kg net wt).

Storage & Handling

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Storage

Due to the thermoplastic behavior, pastillated and flaked resins may fuse, block or lump. This can be accelerated under any of the following conditions: 1) above ambient temperature, 2) prolonged storage, 3) pressure, e.g., stacking pallets, or a combination of these conditions. This is particularly applicable for low softening point resin grades.

In order to maintain the flake or pastille shape, we therefore recommend storing the material in a temperature-controlled area, be careful with stacking material or applying pressure and preventing prolonged storage.

It should be noted that lumping does not have a negative impact on the product specifications. Due to the nature of the product, claims regarding lumping cannot be accepted.

Resins are prone to gradual oxidation, some more so than others. This could result in darkening and/or it could have an adverse effect on the solubility of the resin in organic solvents or on its compatibility with polymers. Accordingly, it is recommended that strict control of inventory be observed at all times, taking care that the oldest material is used first.

Documents (4)

Name
Type
Endex 160 Hydrocarbon Resin Sales Specifications Sheet
Other
Eastman Sealants Technical Tip - Clear Thermoplastic Sealants Using Eastman Hydrocarbon Resins
Brochure
Eastman performance additives and polymers
Brochure
Eastman additives for TPE (SBC) compounding
Brochure