Mother filler of black plastic and its preparing process
A filling masterbatch and plastic technology, which is applied in the field of black plastic filler masterbatch and its preparation, can solve the problems of lowering the manufacturing cost of black plastics, increasing the cost of products, and degrading performance, and achieves improved processing fluidity, less machine wear, and The effect of reducing viscosity
Active Publication Date: 2008-11-12
SHANGHAI LINDA PLASTIC CHEM CO LTD
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Problems solved by technology
[0006] The purpose of the present invention is to solve the problem that both the filler masterbatch and the black masterbatch must be added when the traditional filler masterbatch is used to process black plastics, resulting in increased product cost, decreased performance, and the problem that it cannot be applied to the field of engineering plastics. A filler masterbatch for black plastic, which eliminates the need to add black masterbatch and traditional filler masterbatch when processing black plastic, and can be used in the field of engineering plastics to reduce the manufacturing cost of black plastic
Method used
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Embodiment 1
[0026] Embodiment 1: formula ratio is as follows:
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Embodiment 2
[0028] Embodiment 2: formula ratio is as follows:
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Embodiment 3
[0030] Embodiment 3: formula ratio is as follows:
[0031]
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Abstract
The invention discloses a black plastic fill mother material and making method, which comprises the following parts: 25-63% ultrafine carbonate, 10-30% carbon black, 17. 5-25% phenylethene-butadiene-phenylethene copolymer, 1-4% naphthenic oil, 5. 5-15% polyethylene oxide wax and 1-5% ethylene distearamide. The making method comprises the following steps: softening phenylethene-butadiene-phenylethene copolymer and naphthenic oil in the stirrer; placing ultrafine calcium carbonate and carbon black, polyethylene oxide wax in the blender; heating to 120-130 deg. c; adding ethylene distearamide and phenylethene-butadiene-phenylethene copolymer to stir 1-3min; putting preblended material in the double-screw graining machine to grain; cutting; cooling; packing; obtaining the product. The even grain size of ultrafine calcium carbonate is 5-10um and the even grain size of carbon black is 15-40um.
Description
1. Technical field: [0001] The invention relates to a masterbatch and a preparation method thereof, in particular to a filling masterbatch for black plastics and a preparation method thereof. 2. Background technology: [0002] Usually, in the process of plastic processing, the added additives and fillers are concentrated in the carrier resin to make a filler masterbatch, which has the following advantages: easy to measure and blend, clean the working environment, etc. [0003] The main purpose of adding polyolefin filler masterbatch with calcium carbonate as a filler in plastic products is to ensure the good processing performance of the material and at the same time to add the largest amount, and to replace high-cost polyolefin raw materials with cheap filler masterbatch , in order to achieve the purpose of reducing production cost and improving performance. [0004] The choice of carrier resin for plastic filler masterbatch in my country mainly includes random polypropyle...
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Patent Type & Authority Patents(China)
IPC IPC(8): C08L25/08C08K5/20B29B9/12C08L23/06C08K3/04C08K3/26
Inventor 王梓刚
Owner SHANGHAI LINDA PLASTIC CHEM CO LTD
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