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Temperature sensitive ink

A technology of temperature-changing inks and pigments, which can be applied to inks, household utensils, applications, etc., and can solve problems such as poor wettability, low solid content, and high cost

Inactive Publication Date: 2016-11-09
SUZHOU ANJIE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The currently used temperature-changing inks mainly have the following defects: 1. Poor wettability: for some materials with low surface energy such as leather, the wettability is poor; 2. Low solid content; 3. High cost; 4. Ink viscosity Low; 5. Poor storage stability and short storage time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] In this embodiment, a temperature-changing ink includes the following materials in parts by weight: 10 parts of temperature-changing pigments, 20 parts of binders, 25 parts of solvents, 1 part of calcium carbonate, 0.5 parts of defoaming agents, and 1 part of leveling agents , 2 parts of 5A molecular sieve, 1 part of fumed silica, 2 parts of dispersant, 0.5 part of adhesion promoter.

[0017] The temperature-changing pigment is an organic reversible heat-sensitive color-changing pigment, in which malachite green lactone is used as the color-changing agent, 4-hydroxycoumarin is used as the color developing agent and mixed at a molar ratio of 1:1, and the binder is chlorinated polypropylene resin It is mixed with polyurethane resin at a weight ratio of 1:1, the solvent includes acetone, toluene and butyl ether and mixed at a weight ratio of 5:4:7, the defoamer is polyether modified silicon, and the leveling agent is poly Methyl siloxane and fluorinated siloxane are mixed ...

Embodiment 2

[0019] In this embodiment, a temperature-changing ink includes the following materials in parts by weight: 20 parts of temperature-changing pigments, 40 parts of binders, 45 parts of solvents, 1.5 parts of calcium carbonate, 0.75 parts of defoamers, and 2 parts of leveling agents , 5 parts of 5A molecular sieve, 1.5 parts of fumed silica, 3.5 parts of dispersant, and 1 part of adhesion promoter.

[0020] The temperature-changing pigment is an organic reversible heat-sensitive color-changing pigment, in which malachite green lactone is used as the color-changing agent, 4-hydroxycoumarin is used as the color developing agent and mixed at a molar ratio of 1:1, and the binder is chlorinated polypropylene resin It is mixed with polyurethane resin at a weight ratio of 1:1, the solvent includes acetone, toluene and butyl ether and mixed at a weight ratio of 5:4:7, the defoamer is polyether modified silicon, and the leveling agent is poly Methyl siloxane and fluorinated siloxane are m...

Embodiment 3

[0022] In this embodiment, a temperature-changing ink includes the following materials in parts by weight: 30 parts of temperature-changing pigments, 60 parts of binders, 65 parts of solvents, 2 parts of calcium carbonate, 1 part of defoaming agent, and 3 parts of leveling agent , 8 parts of 5A molecular sieve, 2 parts of fumed silica, 5 parts of dispersant, and 1.5 parts of adhesion promoter.

[0023] The temperature-changing pigment is an organic reversible heat-sensitive color-changing pigment, in which malachite green lactone is used as the color-changing agent, 4-hydroxycoumarin is used as the color developing agent and mixed at a molar ratio of 1:1, and the binder is chlorinated polypropylene resin It is mixed with polyurethane resin at a weight ratio of 1:1, the solvent includes acetone, toluene and butyl ether and mixed at a weight ratio of 5:4:7, the defoamer is polyether modified silicon, and the leveling agent is poly Methyl siloxane and fluorinated siloxane are mix...

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PUM

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Abstract

The invention discloses a temperature sensitive ink, which comprises the following materials in parts by weight: 10 to 30 parts of temperature sensitive pigment, 20 to 60 parts of binder, 25 to 65 parts of solvent, 1 to 2 parts of calcium carbonate, 0.5 to 1 part of defoaming agent, 1 to 3 parts of leveling agent, 2 to 8 parts of 5A molecular sieve, 1 to 2 parts of fumed silica, 2 to 5 parts of dispersing agent and 0.5 to 1.5 parts of adhesion promoting agent. According to the invention, the adhesion of the ink can be enhanced, and the phenomenon of ink infiltration and inking can be prevented, the discoloration speed is quick, the chemical stability is strong, and the storage time is long.

Description

technical field [0001] The invention relates to the technical field of inks, in particular to a temperature-changing ink. Background technique [0002] Temperature-changing ink is an ink that appears as one color within a certain 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 glass surface through the silk screen printing process, and it can also be used in other fields such as packaging and decoration. The temperature-changing ink is divided into two forms: reversible and irreversible. The currently used temperature-changing inks mainly have the following defects: 1. Poor wettability: For some materials with low surface energy such as leather, the wettability is poor; 2. Low solid content; 3. High cost; 4. Ink viscosity 5. Poor storage stability and short storage time. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/50C09D11/108C09D11/102C09D11/03C09D11/033C09D11/037
CPCC09D11/50C09D11/03C09D11/033C09D11/037C09D11/102C09D11/108
Inventor 王春生贾志江李明
Owner SUZHOU ANJIE TECH
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