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ThreeBond 3081F Soft type UV-curing resin


Overview

ThreeBond3081F (hereinafter, ThreeBond is abbreviated to TB) is a non-solvent UV-curing resin whose main component is acrylic ester. The resin cures through polymerization within seconds to several tens of seconds under irradiation with UV light and forms a rubber-like soft cured material having thermal and chemical resistance. It is suitable for potting various materials requiring flexibility, surface coating and elastic sealing.

Features

· Curing within seconds to several tens of seconds under irradiation with UV light (wavelength: 200 to 400 nm)
· After curing, it keeps rubber-like elasticity in a wide temperature range (-29 to 120°C).
· Excellent retention of shape to cure after application

Uses

· Potting of electric and electronic parts of electric equipment
· Surface coating agents requiring flexibility
· Elastic sealing agents requiring thermal and chemical resistance

Properties

Properties

Table 1 Properties

Item Unit Property Test method Remarks
Appearance - Clear blue 3TS-201-01  
Viscosity Pa·s 110 3TS-210-05 EHD-type,
25°C,
3°, R14 rotor		 1 rpm
Structural viscosity ratio - 1.9 3TS-211-19 1/5rpm
Specific gravity - 1.12 3TS-213-02  


Flow curves (Rheometer)

3081FViscosity curve and flow curve
  Fig. 1 Viscosity curve and flow curve
  Equipment: VAR-50 made by REOLOGICA
Test geometry: Cone plate, 25φ, 4°
Test mode: Constant shear rate mode
Rate of shear: 0.01 to 100 (1/s)
Temperature: 25°C

3081F Temperature-viscosity curve (shear rate: 1.0(1/s))
  Fig. 2 Temperature-viscosity curve (shear rate: 1.0(1/s))
  Equipment: VAR-50 made by REOLOGICA
Test geometry: Cone plate, 25φ, 4°
Test mode: Constant shear rate mode
Rate of shear: 1.0 (1/s)
Temperature: 5 to 50°C

3081F Temperature-viscosity curve (shear rate: 0.05 to 100 (l/s))
  Fig. 3 Temperature-viscosity curve (shear rate: 0.05 to 100 (l/s))
  Equipment: VAR-50 made by REOLOGICA
Test geometry: Cone plate, 25φ , 4°
Test mode: Constant shear rate mode
Rate of shear: 0.05 to 100 (1/s)
Temperature: 5 to 50°C


General characteristics of cured resin

Table 2 General characteristics of cured resin

Item Unit Characteristic Test method Remarks
Hardness - A45 3TS-215-01 Durometer A
Tensile strength MPa 4.0 3TS-320-01  
Elongation % 160 3TS-320-01  
Thick film curability mm 3.0 3TS-222-01  
Cure shrinkage % 4.2 3TS-228-01 φ20
Integrated UV light intensity: 45 kJ/m2
Curing conditions: 120-W/cm2 high-pressure mercury vapor lamp with cold mirror and cold filter
Lamp height: 150 mm


Tensile shear strength

Table 3 Tensile shear strength

Test materials Unit Characteristic Test method
Glass/glass MPa 1.0 3TS-301-23
Glass/Fe MPa 1.2 3TS-301-23
Glass/Al MPa 0.9 3TS-301-23
Integrated UV light intensity: 45 kJ/m2
Curing conditions: 120-W/cm2 high-pressure mercury vapor lamp with cold mirror and cold filter
Lamp height: 150 mm


Electrical characteristics

Table 4 Electrical characteristics

Item Unit Characteristic Test method Remarks
Dielectric constant - 5.1 3TS-405-01 1MHz
Dielectric loss tangent - 0.09 3TS-405-01 1MHz
Dielectric breakdown strength kV/mm 15.3 3TS-406-02  
Volume resistivity Ω·m 4.0 × 109 3TS-401-01  
Surface resistivity Ω 7.7 × 1013 3TS-402-01  
Integrated UV light intensity: 45 kJ/m2
Curing conditions: 120-W/cm2 high-pressure mercury vapor lamp with cold mirror and cold filter
Lamp height: 150 mm


Viscoelastic characteristics

Table 5 Viscoelastic characteristics

Item Unit Characteristic Test method Remarks
Tan δ peak °C -14.4 3TS-501-04  
Loss elastic peak °C -23.1 3TS-501-04 E” peak
Storage modulus Pa 1.3 × 107 3TS-501-04 25°C
Integrated UV light intensity: 45 kJ/m2
Measuring equipment: DMS made by Seiko Denshi, frequency 1 Hz
Curing conditions: 120-W/cm2 high-pressure mercury vapor lamp with cold mirror and cold filter
Lamp height: 150 mm


Linear expansion coefficient and glass transition temperature

Table 6 Linear expansion coefficient and glass transition temperature

Item Unit Characteristic Test method Remarks
Linear expansion coefficient (α1) /°C 75 × 10-6 3TS-501-05 -80 to -50°C
Linear expansion coefficient (α2) /°C 209 × 10-6 3TS-501-05 0 to 30°C
Glass transition temperature °C -29.2 3TS-501-05 TMA method
Integrated UV light intensity: 45 kJ/m2
Measuring equipment: TMA made by Rigaku Corporation
Curing conditions: 120-W/cm2 high-pressure mercury vapor lamp with cold mirror and cold filter
Lamp height: 150 mm


Thermogravimetric measurement (TG)

Table 7 Weight loss on heating (at 120°C)

Item Unit Characteristic Test method Remarks
Weight loss on heating % 1.65 3TS-501-03 120°C·120min
Integrated UV light intensity: 45 kJ/m2
Measuring equipment: TGA7 made by Perkin Elmer
Curing conditions: 120-W/cm2 high-pressure mercury vapor lamp with cold mirror and cold filter
Lamp height: 150 mm


Durability characteristics

Table 8 Durability characteristics

Item Unit Thermal resistance Chemicalresistance Test method Remarks
Hardness - A47 A40 3TS-215-01 Durometer A
Tensile strength MPa 4.8 4.0 3TS-320-01  
Elongation % 150 160 3TS-320-01  
Tensile shear bond strength MPa 2.5 1.5 3TS-301-23 Glass/glass
Integrated UV light intensity: 45 kJ/m2
Curing conditions: 120-W/cm2 high-pressure mercury vapor lamp with cold mirror and cold filter
Lamp height: 150 mm
Thermal resistance test: 120°C × 100 hrs.
Chemical resistance test: 120°C × 100 hrs. * Oil for gasoline engine

* The above data are not specified values, but measurements.


Usage

· Standard curing conditions: Integrated UV light intensity: 45 kJ/m2 (4500 mJ/cm2)
For the details of the resin curing procedures, consult with one of our sales engineers.

Instructions for use

1) The curing speed varies depending on the type of light source and irradiation distance. Check the curing speed prior to use.
2) The resin in areas not exposed to UV light or in the shadows does not cure.
3) The resin generates gas during application and UV curing. Ventilate the working area.
If necessary, wear protectors.
4) Some materials may deteriorate if this product is used.
5) Sufficiently ascertain in advance whether the purpose of use is appropriate.
6) Use and store it out of reach of children.
7) Do not use it near fire.
8) If it gets in the eyes, wash them with clean water for more than 15 minutes, and get medical attention.
9) When burnt, it may generate toxic gas. Do not burn it.
10) It is harmful to the health. Do not touch the product directly. Do not inhale its vapor.
11) Never use it for medical implant products.
12) For hazard and toxicity information not mentioned herein, see the MSDS (material safety data sheet).

Storage

· Store the product in a dry place at -5 to 25°C avoiding direct sunlight.
· To prevent deterioration or entry of foreign matter, store it with the cap fitted tightly after using.

Disposal

· Dispose of the product as industrial waste.
· Have the product disposed of by a waste disposer that has special knowledge.

Safety precautions

For industrial use only (It is not intended for household use)

Before using the product, approve the following conditions of sale.
1) This technical information gives experimental values obtained by our specified test methods. We cannot thoroughly guarantee the correctness and perfectness of the data.
The user should determine whether the product is appropriate to the use and purpose before using it, and take all responsibilities for danger caused by it. The guarantee applies only to replacement of apparently defective product.
2) We are not liable to injuries and damages caused by improper handling of this product.
3) We do not take responsibility for any matter not mentioned herein unless otherwise mutually agreed in the contract.
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