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PP color master batch and preparation method thereof

A technology of color masterbatch and talcum powder masterbatch, which is applied in the field of PP color masterbatch and its preparation, can solve the problems of low-temperature brittleness and easy deformation, and achieve the effects of saving processing costs, solving the problem of low-temperature brittleness, and improving the normal temperature modulus

Active Publication Date: 2021-01-22
浙江正基塑业股份有限公司
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  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low-temperature brittleness and easy deformation at room temperature of ordinary toughener and talcum powder filled modified PP, and to provide a PP color masterbatch and its preparation method

Method used

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  • PP color master batch and preparation method thereof
  • PP color master batch and preparation method thereof
  • PP color master batch and preparation method thereof

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Experimental program
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Embodiment Construction

[0021] PP masterbatch according to the following formula

[0022]

[0023]

[0024] Prepared by the following method:

[0025] 1) The powder is dried and activated in a high mixer; the pellets are dry-fried in a dryer;

[0026] 2) Put the processed base material, auxiliary material, auxiliary agent and other raw materials into the mixer for mixing after being measured according to the formula ratio;

[0027] 3) Put the mixed materials into the twin-screw extruder to knead and extrude the strands to granulate. Zone temperature is 200°C, zone 5 temperature is 200°C, zone 6 temperature is 200°C, zone 7 temperature is 200°C, head temperature is 190°C, melt temperature is 205°C, host speed is 280-300rpm;

[0028] 4) The extruded material is cooled, air-dried, pelletized, dried and packed into storage.

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Abstract

The invention relates to the technical field of high polymer materials, in particular to a PP color master batch and a preparation method thereof. The PP color master batch is prepared from the following raw materials: a toughening agent EMA, talcum powder master batch, toner, an antioxidant, silicone master batch and PP. The PP color master batch is used for toughening and modifying a PP material, and high rigidity of the PP material is maintained while the PP material is endowed with low-temperature toughness. Compared with common PP modified toughening agents such as POE and EPDM, the low-temperature brittleness problem of the modified PP material is solved, and the normal-temperature modulus of toughened PP is improved.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a PP color masterbatch and a preparation method thereof. Background technique [0002] Polypropylene (PP) is a polymer compound obtained by polymerizing propylene. Due to its abundant raw materials and relatively simple synthesis process, compared with other general-purpose thermoplastics, PP has the characteristics of low relative density, low price, good processability and good comprehensive performance. Its yield strength, tensile strength, surface hardness and elastic modulus are all excellent, and it has outstanding stress crack resistance and wear resistance. Therefore, it is widely used in the automobile industry, household appliances, construction industry and many other aspects. However, PP also has disadvantages such as low-temperature brittleness, poor toughness, low mechanical properties, and large molding shrinkage, so its application as a structural mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L23/08C08L83/04C08K3/34C08J3/22
CPCC08J3/226C08J2323/12C08J2423/12C08J2423/08C08J2483/04C08K3/34
Inventor 张震原
Owner 浙江正基塑业股份有限公司
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