AOC Atlac?580 Tough Impact Urethane Modified Vinyl Ester Resin

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Tough Impact Urethane Modified Vinyl Ester Resins
Atlac? 580 resin-based products are characterized by high mechanical properties, excellent corrosion resistance and heat resistance. atlac? 580 resin has excellent processability and can be laminated with carbon fibers, aramid fibers or glass fibers to obtain strong and durable parts.

Characteristic performance

Bubble-free curing system, even with standard MEKP

Excellent wetting properties for glass, carbon and aramid fibers

Lower density and volume shrinkage

Good toughness and impact strength

Low exothermic, can be used for thick products with one layer.

Chemical/Physical Properties

Atlac? 580 is a high-performance urethane-modified bisphenol A vinyl resin with excellent corrosion resistance and a good combination of heat resistance and flexibility.Atlac? 580 is particularly resistant to alkaline media and hot water.Atlac? 580 also has excellent process and curing properties.

typical application

Atlac? 580 is suitable for all manufacturing processes and is particularly suitable for winding, centrifugal casting, pultrusion, hand gluing and spraying. Additional styrene can be added to achieve the viscosity required for resin injection molding techniques Atlac? 580 can also be mixed with glass scale or mica for mortars (putties), flooring and equipment lining systems. It can be used as a gelcoat base resin and as a marine laminating resin.

Main performance

Atlac? 580 has excellent wetting and outgassing properties. The addition of standard methyl ethyl ketone peroxide produces less foam and results in less air blocking, resulting in an air-dry, non-tacky surface. atlac? 580 has a low exothermic heat release during the curing process, allowing for the molding of thicker products in a single pass. atlac? 580 resin castings have a lower density of approximately 10% than other resins, and lower shrinkage upon cure.
Thanks to the incorporation of urethane in Atlac? 580, thixotropy is easily obtained with standard-grade fumed silica and compatibility with carbon, glass, and aramid fiber reinforcement materials is improved.

Accreditations and Certificates

The cured Atlac? 580 resin casting performs according to the German standard DIN 16946/2, type 1310, in accordance with subgroup 5 of the German standard DIN 18820/1. Atlac? 580 conforms to subgroup 8 of the European standard EN 13121/1.
Atlac? 580 passes TüV tests for use in flue gas scrubbing plants.

Typical Properties of Liquid Resins

performances	numerical value	unit (of measure)	Test Methods
intensity	1074	kg/m3	TM 2160
flash point	33	°C	TM 2800
Storage period, no initiator added, protected from light, 25°C	6	moon	-

Product Indicators

performances	numerical value	unit (of measure)	Test Methods
exterior condition	pale yellow and slightly muddy	-	TM 2265
acid value	5-7	mgKOH/g	TM 2401
Resin Solid Content	52.0-58.0	%	TM 2033
Viscosity, 23℃	400-500	mPa.s	TM 2013
Gel time (25°C to 35°C)	33-43	min	TM 2625
Curing time (25°C to peak temperature)	46-61	min	TM 2625
peak exothermic temperature (physics)	110-135	°C	TM 2625

Notes:
Reactivity test @ 25°C: 1.0 g of initiator Butanox? M50 (Nouryon), 1.0 g of NL63-10P and 2.5 g of accelerator NL 49P (Nouryon) were added to 100 g of resin.

Resin Casting Body Properties (Typical)

performances	numerical value	unit (of measure)	Test Methods
Density, 20°C	1,110	kg/m3	-
tensile strength	83	MPa	ISO 527-2
Tensile modulus of elasticity	3.5	GPa	ISO 527-2
Tensile elongation at break	4.2	%	ISO 527-2
bending strength	153	MPa	ISO 178
bending modulus	3.6	GPa	ISO 178
heat distortion temperature	115	°C	ISO 75A
Unnotched impact strength	15	kJ/m2	ISO 179
glass transition temperature	132	°C	DIN 53445
barcolithic hardness	40	-	ASTM D 2583
Water absorption, 25℃	0.16	%	ISO 62
Water absorption, 100°C	0.22	%	ISO 3117

Curing conditions
To 100g of resin, 0.5g of accelerator NL 51P, 0.5g of amine accelerator NL63-10P and 1.5g of curing agent Butanox M50 were added respectively. the resin was cured at room temperature for 24 hours and then post-cured at 100°C for 3 hours.

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