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Light-and-temperature-induced color change masterbatch and preparation process thereof

A preparation process and technology of color masterbatch, which is applied in the field of light-temperature-sensitive color-changing masterbatch and its preparation technology, can solve the problems of color change of color masterbatch and inability to adapt to industry requirements, etc., and achieve reasonable structure design, low preparation cost, and easy preparation The effect of simple process

Active Publication Date: 2013-01-23
江苏博云塑业股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing color masterbatches cannot change color according to different light and temperature. Therefore, existing color masterbatches can only attach a single color to plastics, which cannot meet the requirements of the industry

Method used

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  • Light-and-temperature-induced color change masterbatch and preparation process thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The photo-temperature-sensitive color-changing masterbatch described in this embodiment is cylindrical and includes a carrier. The outer part of the carrier is covered with a photosensitive layer made of a photosensitive color-changing material, and the remaining part is covered with a temperature-sensitive layer made of a thermochromic pigment , The thickness of the photosensitive layer is 0.5mm, and the thickness of the temperature-sensitive layer is 0.5mm.

[0033] The preparation process of the above-mentioned light-temperature sensitive color-changing masterbatch includes the following process steps:

[0034] 1. Grinding

[0035] Prepare two grinding vessels, one of which is to put photosensitive color-changing material, water, and dispersant in a mass ratio of 7:5:2, and then fully grind to form photosensitive color-changing particles with a diameter of 1μm; the other is a grinding vessel Add the thermochromic pigment, water, and dispersant to the mixture, mix the three...

Embodiment 2

[0045] With reference to the drawings, the photo-temperature-sensitive color-changing masterbatch described in this embodiment is in the shape of a square sheet, and includes a carrier 1. The outer part of the carrier 1 is covered with a photosensitive layer 2 made of a photosensitive color-changing material, and the remaining part is covered with a temperature-sensitive For the temperature sensitive layer 3 made of color-changing pigment, the thickness of the photosensitive layer 2 is 1 mm, and the thickness of the temperature sensitive layer 3 is 1 mm. The shape of the masterbatch is a square plate.

[0046] The preparation process of the above-mentioned light-temperature sensitive color-changing masterbatch includes the following process steps:

[0047] 1. Grinding

[0048] Prepare two grinding vessels, one of which is to put photosensitive color-changing material, water, and dispersant in a mass ratio of 9: 7: 4 and then fully grind to form photosensitive color-changing particle...

Embodiment 3

[0058] The photo-temperature-sensitive color-changing masterbatch described in this embodiment is round and includes a carrier. The outer part of the carrier is covered with a photosensitive layer made of a photosensitive color-changing material, and the remaining part is covered with a temperature-sensitive layer made of a thermochromic pigment 3. The thickness of the photosensitive layer is 0.8mm, and the thickness of the temperature-sensitive layer 3 is 0.8mm; the color masterbatch.

[0059] The preparation process of the above-mentioned light-temperature sensitive color-changing masterbatch includes the following process steps:

[0060] 1. Grinding

[0061] Prepare two grinding vessels, one of which puts photosensitive color-changing material, water, and dispersant in a mass ratio of 8:6:3 and then fully grinds them to form photosensitive color-changing particles with a diameter of 1.5μm; the other Put the thermochromic pigment, water, and dispersant into the grinding vessel, mi...

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Abstract

The invention relates to a light-and-temperature-induced color change masterbatch and a preparation process thereof, and belongs to the technical field of color masterbatch and preparation processes thereof. The light-and-temperature-induced color change masterbatch comprises a carrier, wherein the carrier is covered with a photosensitive layer made of photochromic material; and the rest part of the carrier is covered with a thermosensitive layer made of thermochromic paint. The preparation process comprises the following steps of: 1, grinding; 2, mixing; 3, internal mixing; 4, stripping, palletizing; and 5, drying. The color masterbatch disclosed by the invention has a reasonably designed structure; the photochromic material and thermochromic paint added into the raw materials allow the color masterbatch prepared to change color with temperature and light intensity; the masterbatch meets industrial requirements; the preparation process of the light-and-temperature-induced color change masterbatch is easy; the preparation cost is low; and thus, the masterbatch has a bright application prospect.

Description

Technical field [0001] The invention relates to the technical field of color masterbatch and its preparation process, in particular to a light-temperature sensitive color-changing masterbatch and its preparation process. Background technique [0002] Masterbatch coloring is the most commonly used plastic coloring method nowadays. Masterbatch is generally composed of three parts, namely colorant, carrier and dispersant. After being mixed by a high-speed mixer, it is crushed and extruded into granules. In the plastic processing process, the masterbatch has significant advantages such as high concentration, good dispersion, and cleanliness. [0003] The existing masterbatch cannot change the color according to different light and different temperature. Therefore, the existing masterbatch can only attach a single color to the plastic, and cannot meet the requirements of the industry. Summary of the invention [0004] The purpose of the present invention is to solve the above-mentioned ...

Claims

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Application Information

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IPC IPC(8): C08J3/22B29C47/92B29B7/28B29C48/92
CPCB29C48/04B29C48/40B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 龚伟
Owner 江苏博云塑业股份有限公司
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