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Initial mixing device for PVC metalized thermal shrinkage film materials

A technology of heat shrinkable film and mixing device, which is applied in the field of initial mixing device of PVC metallized heat shrinkable film material, can solve the problems of metallized film quality, poor dispersion, poor compatibility, etc., and achieve the reduction of shear damage and dispersion effect Good, well-mixed effect

Inactive Publication Date: 2017-08-04
YANGZHOU FANYA THIN FILM MATERIAL CO LTD
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Problems solved by technology

[0002] The metal powder pigments used in the preparation of metallized plastic films are mostly soft metals, such as the most commonly used aluminum powder (silver color) and copper zinc powder (gold color), which are generally micron-sized fine powders, which are prone to agglomeration and poor dispersion
At the same time, the high shear force during processing will deform the metallic pigments and affect the directional alignment of pigment particles, resulting in differences in hue and color, resulting in quality problems for metallized films
In addition, the amount of metal powder is small, generally 0.5~2.0 parts by mass (100 parts of PVC resin), and its physical properties are quite different from other components of the PVC heat shrinkable film formulation system, and its compatibility is poor, and it is not easy to blend and disperse evenly

Method used

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  • Initial mixing device for PVC metalized thermal shrinkage film materials

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Embodiment Construction

[0010] PVC metallized heat-shrinkable film material initial mixing device, the mixing device includes an upper silo 1, a lower silo 2, a support frame 3, a silo rotating mechanism 4 and a spiral body 5, and the spiral body 5 is connected to the upper silo 1 and the lower silo 2, the spiral body 5 is provided with a spiral cavity, and the spiral element 6 is arranged in the spiral cavity, and the silo rotation mechanism 4 is arranged on the support frame 3, and the The silo rotating mechanism 4 is provided with connecting shafts respectively fixed on the upper hopper 1 and the lower hopper 2, the upper hopper 1 and the lower hopper 2 are spherical hoppers, and the upper hopper 1 and the lower hopper The bin 2 is respectively provided with a material inlet and outlet and a spiral chamber inlet and outlet, and the inner diameter of the spiral chamber inlet and outlet is smaller than the inner diameter of the spiral chamber.

[0011] When the raw material in the upper bin 1 flows ...

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Abstract

The invention relates to an initial mixing device for PVC metallized heat shrinkable film material. The mixing device includes an upper hopper, a lower hopper, a support frame, a hopper rotating mechanism and a spiral body, the spiral body is connected between the upper hopper and the lower hopper, and the spiral cavity is provided in the spiral body, The spiral chamber is provided with a spiral element, the silo rotating mechanism is set on a support frame, and the silo rotating mechanism is provided with connecting shafts fixed on the upper silo and the lower silo respectively. The invention has the advantages of simple structure, uniform mixing, no power mixing, reduced shear damage of metal powder and good dispersion effect of metal powder.

Description

technical field [0001] The invention relates to a material mixing device, in particular to an initial mixing device for PVC metallized heat shrinkable film material. Background technique [0002] The metal powder pigments used in the preparation of metallized plastic films are mostly soft metals, such as the most commonly used aluminum powder (silver color) and copper zinc powder (gold color), which are generally micron-sized fine powders, which are prone to agglomeration and poor dispersion. At the same time, the high shear force during processing will deform the metal pigments and affect the alignment effect of pigment particles, resulting in differences in hue and color, resulting in quality problems for metallized films. In addition, the amount of metal powder is small, generally 0.5-2.0 parts by mass (100 parts of PVC resin), and its physical properties are quite different from other components of the PVC heat shrinkable film formulation system, and its compatibility is...

Claims

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Application Information

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IPC IPC(8): B29B7/74
CPCB29B7/74
Inventor 李海李杰沈雪梅
Owner YANGZHOU FANYA THIN FILM MATERIAL CO LTD
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