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Anti-aging polypropylene composition with temperature change function and preparation method and application thereof

A polypropylene composition and anti-aging technology, which is applied in the field of anti-aging polypropylene composition and its preparation, can solve the problem that the temperature change function and anti-aging performance cannot be combined, and achieve good anti-aging performance and good light transmission , Excellent effect of temperature change

Pending Publication Date: 2022-02-01
SHANGHAI KINGFA SCI & TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to overcome the defect that the temperature-changing function and anti-aging performance described in the prior art cannot be combined, the present invention provides an aging-resistant polypropylene composition with a temperature-changing function. By adding a temperature-changing pigment into the polypropylene matrix, And controlling the particle size of antioxidant, dispersant and temperature-changing pigment can make the polypropylene composition have good anti-aging performance, maintain good light transmission, and have excellent temperature-changing effect

Method used

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  • Anti-aging polypropylene composition with temperature change function and preparation method and application thereof
  • Anti-aging polypropylene composition with temperature change function and preparation method and application thereof
  • Anti-aging polypropylene composition with temperature change function and preparation method and application thereof

Examples

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Embodiment 1～25

[0054] The component contents of the polypropylene compositions of Examples 1-25 are shown in Table 1, and the preparation method is as follows:

[0055] After mixing the components according to Table 1, add them to the twin-screw extruder, and under the conditions of extrusion temperature of 190-210°C and rotation speed of 300-600rpm, melt mixing, extrusion and granulation to obtain polypropylene composite thing.

[0056] The component content (parts by weight) of the polypropylene composition of table 1 embodiment 1~23

[0057]

[0058]

[0059] 12 13 14 15 16 17 18 19 Polypropylene 95 95 95 95 95 95 95 95 Dispersant-3 0.5 1 3 4 5 2 2 2 Antioxidant-1 0.5 0.5 0.5 0.5 0.5 0.2 1 2 Temperature-changing pigment-1 1 1 1 1 1 1 1 1

[0060] 20 21 22 23 24 25 Polypropylene 95 95 95 95 85 99 Dispersant-3 2 2 - - 2 2 Antioxidant-1 0.5 0.5 0.5 0.5 0.5 0.5 Zi...

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Abstract

The invention discloses an anti-aging polypropylene composition with a temperature change function and a preparation method and application thereof. The anti-aging polypropylene composition with the temperature change function comprises the following components in parts by weight: 85-99 parts of polypropylene, 0.2-2 parts of an antioxidant, 0.5-5 parts of a dispersing agent and 0.5-4 parts of a temperature change pigment, the average particle size of the antioxidant is 0.2-3 [mu] m, the average particle size of the dispersing agent is 0.2-5 [mu] m, and the average particle size of the temperature change pigment is 1-10 [mu] m. The temperature change pigment is added to the polypropylene matrix, and the particle sizes of the antioxidant, the dispersant and the temperature change pigment are controlled so that the polypropylene composition has the good aging resistance, the antioxidant and the dispersant cannot completely wrap the surface of the temperature change pigment, the good light transmission is maintained, and the temperature change effect is excellent.

Description

technical field [0001] The invention relates to the technical field of polymer materials, and more specifically, relates to an aging-resistant polypropylene composition with a temperature change function, a preparation method and application thereof. Background technique [0002] Polypropylene material has a very wide application market. In addition to its strong plasticity and low price, polypropylene also has good solvent resistance. With the popularity of household appliances, more and more plastic materials, especially polypropylene materials, are used in daily life. [0003] With the continuous pursuit of people's quality of life, some plastic materials with special functions have emerged as the times require. For example, the polypropylene material with temperature change function can display different colors according to the temperature change, so as to directly reflect the temperature of the material. For home appliances such as vacuum flasks, rice cookers, and hum...

Claims

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Application Information

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IPC IPC(8): C08L23/14C08L23/30C08K5/134C08K5/526C08K5/01
CPCC08L23/14C08L2201/08C08K2201/003C08L23/30C08K5/1345C08K5/526C08K5/01
Inventor 袁刚敬新柯夏建盟祝润生赵锐刚孙力强何世鹏
Owner SHANGHAI KINGFA SCI & TECH
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