LOCTITE ABLESTIK NCA 2286AE

Harmonization Code : 3907.30.00.90 | Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms : Epoxide resins : Other

Main features

Dual Cure
High elongation strength
Active alignment in lens holder attach

Product Description

LOCTITE ABLESTIK NCA 2286AE dual cure acrylic adhesive is designed for use in active alignment applications in camera module assembly. It has been formulated to a high viscosity and thixotropy to enable higher aspect ratios of dispensed adhesive, thus allowing for easier adjustments for the final assembly. This material jas a very high dispense aspect ration and is engineered to meet the high reliability performance requirements for the optoelectronic / semiconductor industry. This version is redeveloped to provide lower transmittance and higher adhesion after full cure. This material also provides better toughness and reliability performance after 85ºC/85% aging.

LOCTITE ABLESTIK NCA 2286AE is black in color to prevent light penetration into the final assembled device. It is designed to achieve fast cure response at low temperatures and good depth of cure after UV radiation. This product also contains a secondary thermal cure mechanism for applications with shadowed areas where light is unable to penetrate. It is a camera/sensor market material that is not expected to pass very harsh reliability requirements.

Cure Schedule
UV Light

UV Wavelength, nm 220 to 380
Light Intensity, mW/cm² 1,000
Exposure Time, seconds 4

Secondary Heat Cure

1 hour @ 80°C

Product Family
NCA2286AE

1. Select Package Type

30cc Syringe

Catalog Product

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Shortest leadtime

No longer available

Shipping in 12 weeks

Contact for Pricing

Packaging

TDS, SDS & Technical documents

Specifications

Technical Specifications

General Properties

Shelf Life
Shelf Life @ -20°C	180 days

Thermal Properties

Glass Transition Temperature (Tg)

Glass Transition Temperature (Tg)
The glass transition temperature for organic adhesives is a temperature region where the polymers change from glassy and brittle to soft and rubbery. Increasing the temperature further continues the softening process as the viscosity drops too. Temperatures between the glass transition temperature and below the decomposition point of the adhesive are the best region for bonding.

The glass-transition temperature Tg of a material characterizes the range of temperatures over which this glass transition occurs.

28 °C

Coefficient of Thermal Expansion (CTE)
Coefficient of Thermal Expansion (CTE), α1 Coefficient of Thermal Expansion (CTE), α1 CTE α1 (alpha 1) is the slope of the Coefficient of thermal expansion in a temperature range below the Glass transition temperature (Tg). It explains how much a material will expand until it reaches Tg.	55 ppm/°C
Coefficient of Thermal Expansion (CTE), α2 Coefficient of Thermal Expansion (CTE), α2 CTE α2 (alpha 2) is the slope of the Coefficient of thermal expansion in a temperature range above the Glass transition temperature (Tg). It explains the extent to which a material will expand after it passes Tg.	165 ppm/°C

Physical Properties

Thixotropic index

Thixotropic index
Thixotropic Index is a ratio of a material s viscosity at two different speeds in Ambient temperature, generally different by a factor of ten.

A thixotropic material s viscosity will decrease as agitation or pressure is increased. It indicates the capability of a material to hold its shape. Mayonnaise is a great example of this. It holds its shape very well, but when a shear stress is applied, the material easily spreads.

It helps in choosing a material in accordance to the application, dispense method and viscosity of a material.

5.7

Viscosity

Viscosity
Viscosity is a measurement of a fluid’s resistance to flow.

Viscosity is commonly measured in centiPoise (cP). One cP is defined as
the viscosity of water and all other viscosities are derived from this base. MPa is another common unit with a 1:1 conversion to cP.

A product like honey would have a much higher viscosity -around 10,000 cPs-
compared to water. As a result, honey would flow much slower out of a tipped glass than
water would.

The viscosity of a material can be decreased with an increase in temperature in
order to better suit an application

40000 mPa.s

Mechanical Properties

Elongation

Elongation
Elongation is the process of lengthening something.

It is a percentage that measures the initial, unstressed, length compared to the length of the material right before it breaks.

It is commonly referred to as Ultimate Elongation or Tensile Elongation at break.

60 %