CHEMIPEARL™
Polyolefin-based Aqueous Dispersion
CHEMIPEARL™ is made of fine particles of polyolefin. It uses Mitsui Chemicals’ unique technology and is an environment-friendly water based coating which does not use emulsifying agents or organic solvents (except for some grades and products being in development).
It is abrasion resistant, has improved slip properties, is an anti-blocking agent, has superior application properties as well as outstanding heat-sealing properties and hygienic qualities.
Usage detail
Additives for printing ink and heat sealants
Usage
Characteristic
- Basic information
- Details of Characteristics
- Details of Applications
BASIC INFORMATION
CHEMIPEARL™ is a particulate aqueous dispersion developed by Mitsui Chemicals Inc. It is an unique product made of fine particles of polyolefins, previously considered extremely difficult to disperse in water. When compared with widely used aqueous dispersion techniques CHEMIPEARL™ is unique in that it does not use emulsifying agents or organic solvents making it highly environment-friendly. Characteristics of polyolefins, such as mechanical, water and chemical resistant properties are retained intact and make the product ideal for widespread use as printing ink additives, heat sealing for food packaging, adhesives and binders and anti-blocking agents.
CHARACTERISTICS
Aqueous dispersion
Efficient aqueous dispersion polyolefin, which does not require emulsifying agents or organic solvents.
Abrasion resistant
Spherical particles with narrow particle size distribution resistant to abrasion with excellent slip and anti-blocking properties. (A, M, V, W types)
Superior application properties
Can be applied to paper, aluminum, films etc. by spray, air-knife or gravure coating. (A, M, V, S types)
Heat sealing properties
Offers polyolefin’s excellent mechanical, water and chemical resistant properties. When baked after application it becomes a non-directional, odorless film with outstanding heat-sealing properties. (A, M, V, S types)
Hygienic qualities
Polyolefin material which provides superior hygienic qualities enabling its use in food packaging. (M, V, S types)
Heat sealing agent, additive in coating agents, printing inks
CHARACTERISTICS
Grades and applications of CHEMIPEARL™
CHEMIPEARL™ grades and applications ( A Type / M Type / S Type / V Type )
CHEMIPEARL™ grades and applications (W Type)
Applications
Additives for printing inks
1. Particles project above the surface of the ink.
2. In the rub-off test particles are spread on the surface of the ink.
3. Soft wax dispersion has excellent rub-off resistance *1, but gives low slide angle.
CHEMIPEARL™’s resistance to abrasion
High abrasion resistant qualities with minimum application
Thickness of coating
| Amount of coating |
0.2% | 0.5% | 1.0% |
|---|---|---|---|
| CHEMIPEARL™ W410 |
 |
 |
 |
| CHEMIPEARL™ W400 |
 |
 |
 |
| Wax dispersion of competitive product |  |
 |
 |
| Non-applied surface |  |
Abrasion test using red ink. (Weight: 4 lbs / Friction Times: 120 rubs）
CHEMIPEARL™ W grade distribution
Heat sealing applications of CHEMIPEARL™
Chemipearl™ S Al/Al heat seal strength
Coating weight： 3.5-4.0 g/m2(dry)
Drying condition: 120°C×30sec
Heat sealing：2kg/cm2×1Sec
Peeling mode：T mode
Peeling speed：50mm/min
Chemipearl™ S and V paper/ paper heat seal strength
Coating weight： 3.5-4.0 g/m2(dry)
Drying condition: 120°C×30sec
Heat sealing：2kg/cm2×1Sec
Peeling mode：T mode
Peeling speed：50mm/min
Application of CHEMIPEARL™S
CHEMIPEARL™ V application for anti-blocking agents
CHEMIPEARL™ V
CHEMIPEARL™ A
