Formula and preparation method of high-glossiness filled PP (polypropylene)
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A high-gloss, production method technology, applied in the formulation and production of high-gloss filled PP, can solve the problems of uneven powder thickness, easy rough surface, interface incompatibility, etc., and achieve high gloss and physical properties Good, evenly dispersed effect
Inactive Publication Date: 2012-07-18
杨谢
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Natural ores include talcum powder, calcium carbonate, kaolin, etc., which are known to us. The powders produced by physical methods are uneven in thickness, and the surface has not been treated, which makes the interface between the powder itself and the material incompatible, and the performance of the produced deviation , when there is a lot of filling, the surface is easy to be rough, and the performance will be greatly damaged
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[0009] The invention provides a formula for filling PP with high gloss. The formula components are: 31-65 parts of PP, 30-60 parts of barium sulfate, 0.5-1.5 parts of titanate coupling agent, and 0.2-1 part of antioxidant , 0.5-1 part of lubricant, 3-5 parts of POE, 0.5-1 part of other processing aids; the barium sulfate is 3000 mesh precipitated barium sulfate, and the antioxidant is the product of antioxidant 1010 and antioxidant 168 Compound, the lubricant is a compound of EBS and zinc stearate, and the other processing aids are silicone powder.
[0010] The present invention also provides a method for making high-gloss filled PP, which includes the following steps: step 1, select barium sulfate raw material for stirring, then evenly drop titanate coupling agent into it and stir for 3-5 minutes, and finally mix the powder The body is poured out to obtain the processed precipitated barium sulfate;
[0011] Step 2: Stir the PP raw material, then add white oil and stir for 1-...
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Abstract
The invention discloses a formula of high-glossiness filled PP. The formula comprises the following components, by weight, 31-65 parts of PP, 30-60 parts of barium sulfate, 0.5-1.5 parts of a titanate coupling agent, 0.2-1 part of an antioxidant, 0.5-1 part of a lubricant, 3-5 parts of POE (polyethylene octene elastomer), and 0.5-1 part of other processing assistants. The invention also discloses a preparation method of the high-glossiness filled PP. The preparation method comprises the following steps: 1, stirring the raw material barium sulfate, and adding the titanate coupling agent drop by drop to obtain a processed precipitate barium sulfate; 2, stirring the raw material PP, adding white oil, adding the oxidant, the lubricant and other processing assistants, adding the POE, finally adding the processed precipitate barium sulfate, and stirring to obtain semi-finished filled PP; and 4, extruding the semi-finished filled PP, cooling, and pelletizing to obtain the filled PP. The filled PP produced in the invention has the advantages of good appearance, uniform dispersion, high glossiness, good physical properties, and long service life.
Description
technical field [0001] The invention relates to a formula for filling PP with high gloss and a preparation method thereof. Background technique [0002] Traditionally filled PP is generally mixed with natural ore powder into PP material in a physical way, and then granulated by twin-screw to produce filled PP. Natural ores include talcum powder, calcium carbonate, kaolin, etc., which are known to us. The powder produced by physical grinding is uneven in thickness, and the surface has not been treated, which makes the interface between the powder itself and the material incompatible, and the performance of the produced deviation. , when there is a lot of filling, the surface is easy to be rough, and the performance will be greatly damaged. Contents of the invention [0003] The invention provides a formula and processing technology for filling PP with high gloss. The filled PP material produced by this method not only has good appearance, but also has uniform dispersion, h...
Claims
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