Porous PE Carrier
  • Air ProPorous PE Carrier

Porous PE Carrier

If Porous PE Carrier is kept beyond the shelf life recommend on the product label, it is not necessarily unusable, but a quality control should be performed on the properties relevant to the application.

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Product Description

POROUS PE CARRIER

1. Product Introduction of the POROUS PE CARRIER

Microporous polymer foam for carrier purpose, (Equivalent to Accurel from Membrana GmbH ) , Porous PE Carrier is totally utilized the physical foaming technology and process, thus no chemical foaming agents were used and high purity can be achieved. CapatueTM PPC offers the polymer processing industry an efficient, easy way to convert liquid or paste-like polymer additives especially for some thermally sensitive additives into dry, free-flowing pellets, needless to extrude.

Microporous structures of CapatueTM PPC act like tiny sponges with the ability to absorb several times their own weight. When liquids or meltable solids are mixed with the porous polymer, the micron-size voids in the polymer are filled by capillary absorption. As the mixing is done at room temperature, CapatueTM PPC is especially suitable for thermally sensitive additives. When fully loaded with the liquid additive, the system remains dry and free-flowing. In these applications, the large inner surface of the Capatue, with its accompanying adhesion forces, is utilized in combination with the cell and pore structure of the matrix to retain liquid within the polymer carrier. An additional advantage is the fine dispersion of the additive in the CapatueTM PPC structure which insures a homogeneous dispersion of the additive in the final product.substrates.

Microporous carrier CapatueTM PPC can be used for the production of additive concentrates via physical adsorption of the additive. Porous PE Carrier is most effective for the incorporation of liquid additives particularly when accurate dosage and homogeneity of the additive with the base resin is required.

2.Additive Loading and Equipment of the POROUS PE CARRIER

Low speed and low shear mixers are recommended to use for the loading of additives into PPC. The purpose of mixing is to get a homogeneous distribution of porous pellets and liquid additive in the mixer and consequently equal additive loading on every porous pellet.

High speed and high shear forces could damage the porous structure of the carrier and have no impact on the absorption rate of the additive.

Examples of mixers used for additive loading are
drum tumble mixer (200L drums)
tumble dryer (1~10m3)
Herschel mixer
Littleford Lodige mixer
Patterson Kelly V mixer
Sigma mixer
Vertical mixer

Parameters
mixer speed: 5~30 rpm
loading time: 30 min ~ 72 h
significant reduction of loading time with optional heating and vacuum system
Airless spray of liquid additive will be helpful

3. Requirements of POROUS PE CARRIER

If the additive is liquid at room temperature, loading can be done at room temperature.

If the additive is a solid or a paste with a melting point at slightly elevated temperatures, the additive can be melted and loaded at temperatures slightly above the melting point of the additive. However, the loading temperature has to be approx. 40℃ below the melting or softening point of the polymer, otherwise the porous structure might collapse.

If the additive is liquid but highly viscous at room temperature, the viscosity can be reduced in many cases by increasing the temperature. Again, the temperature should be approx. 40℃ below the polymer melting or softening point.

The additive can be dissolved in an organic solvent (ethanol. acetone, IPA).

The viscosity of the additive should not exceed 30.000 cst.

Both hydrophilic/hydrophobic and polar/non polar additives can be loaded. In some cases the addition of wetting agents is required.

4. Packing Details of the POROUS PE CARRIER:

The regular packing of Porous PE Carrier is carton with PE liner (200kg net weight and 16 cartons for a 20 ft. container)) and paper bags with PE liner (10kg net weight).

5. Storage and Shelf Life of the POROUS PE CARRIER:

Porous PE Carrier Should be stored in dry, cool, ventilated room; keep away from water, moisture, high temperature and fire. This product has a shelf life of at least 12 months if stored in tightly closed original container at room temperature.

If Porous PE Carrier is kept beyond the shelf life recommend on the product label, it is not necessarily unusable, but a quality control should be performed on the properties relevant to the application.

6. Grades we can supply of POROUS PE CARRIER:

Grade Appearance Material Additive Loading Capacity
PPC-HDPE Pellet HDPE Up to 60%
PPC-LDPE Pellet LDPE Up to 50%
PPC-LLDPE Pellet LLDPE Up to 50%
PPC-EVA Pellet EVA Up to 50%
PPC-PP Pellet PP Up to 70%
PPC-PS Pellet PS Up to 50%
PPC-ABS Pellet ABS Up to 50%
PPC-PC Pellet PC Up to 50%
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