High-content fluorine-containing polymer processing master batch and preparation method thereof

A polymer and high-content technology, which is applied in the field of high-content fluorine-containing polymer processing masterbatch and its preparation, can solve the problems of increasing the complexity of the preparation process, the preparation process is complicated, and the application and promotion are limited, and the addition is small and the process is Simple process and wide versatility

Active Publication Date: 2013-07-17
QINGDAO UNIV OF SCI & TECH
7 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0013] The technologies disclosed in the above patents have the following deficiencies to varying degrees, which limit their application and promotion
[0014]①Poor versatility
Patents ZL 02813017.0, CN 1352668A and ZL 200610092819.0 all prepare masterbatches by heating granulation technology, which consumes a lot of energy and is prone to side reactions during the heating granulation process, such as ...
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Abstract

The invention discloses a high-content fluorine-containing polymer processing master batch, comprising the following components in percentage by weight: 70%-90% of fluorine-containing polymer and 10%-30% of active polyol stearate. The fluorine-containing polymer preferably is tetrafluoroethylene-hexafluoropropylene copolymer, and the active polyol stearate is selected from pentaerythritol double stearate and pentaerythritol tristearate. The invention also discloses a preparation method of the high-content fluorine-containing polymer processing master batch. The master batch produced by the process does not contain carrier resin, avoids the problem of compatibility with resin and has the characteristics of wide generality and high lubrication efficiency. The content of effective elements is up to 70%-90%, the addition amount is small, heating operation is not used in the preparation process, the process is simple, the production device is easy to get, and the operability is strong.

Technology Topic

PentaerythritolPolymer chemistry +9

Image

  • High-content fluorine-containing polymer processing master batch and preparation method thereof

Examples

  • Experimental program(4)

Example Embodiment

[0037] Example 1
[0038] Put the commercially available 70% fluorine-containing processing aid PPA 2800, which is composed of tetrafluoroethylene and hexafluoropropylene copolymer, with a weight average molecular weight of 500,000 to 5 million, and 30% pentaerythritol distearate into a high-speed mixer Stir at a high speed to 70-80 ℃, and stir for about 15 minutes. When there is no dust, add the mixed adhesive material to the double-stick cold pressing forming machine, extrude it into a cylindrical masterbatch at room temperature, and vibrate and sieve it. Obtain high-content fluoropolymer processing masterbatch.

Example Embodiment

[0039] Embodiment 2
[0040]Put 80% of fluorine-containing processing aid PPA 2800 and 20% of pentaerythritol distearate into a high-speed mixer to 70-80 ℃, and stir for about 15 minutes. When there is no dust, the mixed adhesive The material is added to a double-bar cold-pressing machine, extruded into a cylindrical masterbatch at room temperature, and vibrated and sieved to obtain a high-content fluoropolymer processing masterbatch.

Example Embodiment

[0041] Embodiment 3
[0042] Put 90% fluorine-containing processing aid PPA 2800 and 10% pentaerythritol distearate into a high-speed mixer to 70-80°C and stir at a high speed for about 15 minutes. When there is no dust, the mixed adhesive The material is added to a double-bar cold-pressing machine, extruded into a cylindrical masterbatch at room temperature, and vibrated and sieved to obtain a high-content fluoropolymer processing masterbatch.
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Description & Claims & Application Information

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