About Hypro^® RLP

● Hypro^® Toughening Mechanism

When the resin system cures, the Hypro RLP terminal functionality reacts into the thermoset resin, and the synthetic rubber precipitates to form discrete rubber particls.

Picture 1 shows a magnification of cured epoxy resin. It is a brittle, glassy resin. Picture 2 shows the same epoxy modified with Hypro RLP. The discrete rubber particles provide the toughening and the epoxy matrix maintains the strength of the unmodified epoxy.

 

CTB and CTBN Polymers

Carboxyl-terminated butadiene (CTB) and Butadiene-acrylonitrile (CTBN) copolymers improve toughness, low-temperature properties, chemical and water resistance in epoxy, coating, vinyl ester, SMC/BMC, acrylic, plasitisol and other thermoset systems.

ATB and ATBN Polymers

Amine-terminated butadiene (ATB) and butadiene-acrylonitrile (ATBN) copolymers enhance toughness, flexibility, low-temperature properties and adhesion to substrates in two part amine cured epoxies, and impact resistance and adhesion to substrates in two part coatings. Typical uses include structural adhesives, coatings and linings for improved corrosion resistance, construction joint sealers and mastics, powder coatings and filament-wound pressure vessels.

ETB and ETBN Glycidyl Ester Polymers

Glycidyl-esters of butadiene (ETB) and butadiene-acrylonitrile (ETBN) copolymers incorporate 100% rubber toughening into epoxy matrix without pre-reaction or additional epoxy resin. Excellent for epoxy composites and adhesives. Contains no Bisphenol A or Bisphenol A Diglycidyl Ether (BADGE).

ETBN Resin Adducts
Epoxy-terminated butadiene-acrylonitrile (ETBN) resin adducts with no excess epoxy. The Hypro ETBN have much higher rubber content when compared to HyPox CTBN-modified epoxies.

VTB and VTBNX Polymers