Products & Solutions

Functional heat sealant Dynaleo™ PR/CT Series

Application examples of functional heat seal adhesives (automobiles, building materials)
A heat-curing adhesives has superior heat resistance and durability than conventional products, and maintains high adhesion even in harsh environments.After coating and drying, it can be rolled up without a separator (release paper), making it ideal for thermal adhesive films.

Characteristics 

  • Excellent adhesion to various base materials (metals, polar base materials, etc.)
  • Excellent heat and humidity resistance, weather resistance, and moldability
  • Coloring and curing temperature can be changed according to your request.

Lineup

In addition to regular products, we also have a lineup adhesives that can be bonded at low temperatures.

  • Highly durable and weather resistant Dynaleo™ PR series
  • High heat resistance and high molding Dynaleo™ CT series
Product name Heat seal temperature Heat resistance Weatherability Moldability
Dynaleo™ PR series 170℃ ×
Dynaleo™ PR series (low temperature adhesive type) 100℃~120℃
Dynaleo™ CT series 190℃ ×
Dynaleo™ CT series (low temperature adhesive type) 100℃~120℃
Conventional heat seal 120℃~160℃ × ×

Product physical properties

Highly durable and weather resistant Dynaleo™ PR series

  • Heat seal adhesives with excellent durability (humid heat resistance, weather resistance) that does not deteriorate even in harsh environments exposed to sunlight, wind and rain
  • We also have a track record in solar cell backsheet.

Weather resistant coating agent Dynaleo™ PRC/DPT series

Humid heat resistance Adhesive strength maintained after 1000 hours at 85℃ and 85%RH
Weatherability After S-Xe 1000h ΔE<2

Adhesive performance *1 PET NY AL PC
Base material adhesion *2
Crosscut test, number of remaining squares/100 squares
100 100 95 100

*1: Uses Dynaleo PRC-002 (general grade)
*2: 3g/m2 (dry) coating and drying at 100℃ for 1 minute

High heat resistance and high moldability Dynaleo™ CT series

  • Heat seal adhesives with excellent adhesion between film and metal
  • Processing and molding possible after lamination
Humid heat resistance 125℃/30min.No peeling or whitening
Appropriate for coating Prevents wrinkles and unevenness even when coating at 150m/min.

Adhesive performance *1 PET NY AL PC
Base material adhesion *2
Crosscut test, number of remaining squares/100 squares
100 100 100 100
Peel strength *3
90° peeling, N/10mm
Base material
rupture
Base material
rupture
2.5 1.0

*1: Using Dynaleo CT-001 (general grade)
*2: 3g/m2 (dry) coating and drying at 100℃ for 1 minute
*3: 3g/m2 (dry) coating, drying at 100℃ for 1 minute, heat lamination (190℃, 1m/min., 0.5MPa, aging at 150℃ for 20 minutes)

No lifting of adhesive layer even when molded after heat curing

Immediately after Rami

Immediately after Rami

Aperture height 6mm

Aperture height 6mm

Aperture height 14mm

Aperture height 14mm

Example of use

By applying heat and pressure to a film coated with a functional heat seal adhesives, it is possible to bond different types.

  • heated roll press
heated roll press
  • heat press molding
heat press molding

Application examples: Automotive interior parts, solar cell related parts, building materials processing, etc.

Inquiries

TOYOCHEM CO., LTD. Packaging and Industrial Materials Sales Division Sales Department 1

TOYOCHEM CO., LTD.