Temperature sensitive ink

A temperature-changing ink and temperature-changing technology, applied in inks, household appliances, applications, etc., can solve the problem of temperature-changing inks that cannot withstand high temperature and high pressure water vapor, and achieve excellent temperature change effect, good use effect, and increase value. Effect

Inactive Publication Date: 2011-05-25
SHENZHEN HUAXI BIO TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a kind of ink that can withstand high temperature water vapor above 121°C and 0.1MPa, and has the function of increasing temperature Or reduce temperature-changing inks that show different color effects, strong adhesion, friction resistance, and fast curing

Method used

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  • Temperature sensitive ink
  • Temperature sensitive ink

Examples

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Comparison scheme
Effect test

Embodiment 1

[0029] Embodiment 1: A temperature-changing ink is mainly made of the following raw materials in parts by weight:

[0030] Polyamide resin 57, temperature-varying pigment 25, m-xylylenediamine 16, palm oil 2. Among them, the temperature-changing pigment is a 10°C red organic heat-sensitive temperature-changing pigment (red below the temperature change value).

[0031] The temperature-changing ink of this embodiment is prepared in 1 kg, mixed according to the above formula ratio and fully ground with a grinder, to obtain an ink with temperature change and resistance to traditional sterilization processes. The temperature change value of the prepared temperature-changing ink is 10°C, and it turns red below 10°C, and the red color gradually becomes lighter until it is colorless above 10°C.

Embodiment 2

[0032] Embodiment 2: A temperature-changing ink is mainly made of the following raw materials in parts by weight:

[0033] Epoxy resin 57, temperature-changing pigment 15, ordinary pigment 10, m-xylylenediamine 16, palm oil 2. Among them, the temperature-changing pigment is 10°C red organic heat-sensitive temperature-changing pigment (red below the temperature change value); the ordinary pigment is phthalocyanine blue (blue).

[0034] The temperature-changing ink of this embodiment is prepared in 1 kg, mixed according to the above formula ratio and fully ground with a grinder, to obtain an ink with temperature change and resistance to traditional sterilization processes. The temperature change value of the prepared temperature-changing ink is 10°C, and it is purple below 10°C, that is, the mixed color of the red of the temperature-changing pigment and the blue of the ordinary pigment, and the purple gradually turns into blue above 10°C. The red ink becomes colorless, and the ...

Embodiment 3

[0035] Embodiment 3: A temperature-changing ink is mainly made of the following raw materials in parts by weight:

[0036] Epoxy resin 54, temperature-varying pigment 23, mixture 20 of m-phenylenediamine and diaminodiphenylmethane, corn oil 3. Among them, the temperature-changing pigment is a 16°C red organic heat-sensitive temperature-changing pigment (red below the temperature change value). Wherein the volume ratio of the two components in the mixture of m-phenylenediamine and diaminodiphenylmethane is 60:40.

[0037] The preparation method is the same as in Example 1, and will not be described in detail here. The temperature change value of the prepared temperature change ink is 16°C.

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PUM

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Abstract

The invention discloses temperature sensitive ink, which is prepared from a two-component coating agent, a common pigment, a temperature sensitive pigment and a defoaming agent, wherein the two-component coating agent comprises petroleum resin and a curing agent for curing the petroleum resin; and the temperature sensitive ink is prepared from the following raw materials in part by weight: 40 to 70 parts of petroleum resin, 10 to 30 parts of curing agent, 10 to 40 parts of temperature sensitive pigment, 0 to 20 parts of common pigment and 2 to 8 parts of defoaming agent. Aiming at the defect that the conventional temperature sensitive ink cannot tolerate high-temperature high-pressure steam in the traditional sterilization process, the invention provides temperature sensitive ink which can tolerate high-temperature steam at the temperature of higher than 121DEG C under the pressure of more than 0.1MPa, shows different colors or colorless effect along with temperature rise, has high adhesion and friction resistance, and can be quickly cured.

Description

technical field [0001] The invention belongs to the technical field of ink chemical industry, and relates to a temperature-changing ink that can withstand high temperature and high pressure water vapor and can be used in the food and beverage industry with traditional sterilization techniques. Background technique [0002] Temperature-changing ink is an ink that appears as one color in a certain temperature range and becomes colorless when heated to another temperature range. At present, ordinary temperature-changing inks are mainly divided into organic thermal inks, inorganic thermal inks or liquid crystal thermal inks. The existing ordinary temperature-changing ink can be printed on the surface of the glass through the silk screen printing process, and it can also be used in other fields such as packaging and decoration. Ordinary temperature-changing inks used in the packaging field are mainly printed on the outer walls of various packaging containers, but for food packag...

Claims

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Application Information

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IPC IPC(8): C09D11/10C09D11/50
Inventor 李军张仲铭刘龙清
Owner SHENZHEN HUAXI BIO TECH LTD
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