按标签归档 Blocking

Surface Properties of Plastic Film

Gloss Haze Surface Energy Slip Blocking From: Handbook of Plastic Films

Surface Modification of Plastic Films

Corona Discharge Antiblocking Slip Additives Lubricants Antistatic Agents From: Handbook of Plastic Films

Surface Modification of Plastic Films – Antiblocking

Blocking can be reduced by decreasing the surface contact area of the films. Small particles at the surface can decrease the contact. Particles such as silica, diatomaceous earth and talc are useful antiblocking agents. To provide the protection efficiently, they must be included in the polymer during processing. Many of the particles will be in [...]

Surface Properties of Plastic Film – Blocking

The low surface energy and softness of polyethylenes make them self-adhere if pressed together under a load for a considerable time. This self-adhesion is called blocking. The polyolefins can flow, or creep, under load, and so mutual adhesion can occur if the pressure is sufficient or the time of contact is long. This is a [...]

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