Preparation method of thermosensitive color change non-woven fabric
A technology of thermochromic and thermochromic fibers, applied in the field of non-woven fabrics, can solve the problems of reduced durability of thermochromic fibers, poor hand feel, and high temperature resistance requirements of color-changing agents, and achieves low price and good physical and mechanical properties. and heat resistance, the effect of high heat resistance
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Embodiment 1
[0021] A method for preparing a heat-sensitive color-changing non-woven fabric, the preparation steps are as follows:
[0022] (1) Use heat-sensitive color-changing fibers and ordinary ES fibers as the fiber raw materials of heat-sensitive color-changing non-woven fabrics, wherein the mass ratio of heat-sensitive color-changing fibers and ordinary ES fibers is 70:30;
[0023] The heat-sensitive color-changing fiber is a skin-core structure, including a skin layer and a core layer, and the skin layer includes the following raw materials in parts by weight: 3 parts of crystal violet lactone, 15 parts of benzyl p-hydroxybenzoate, 90 parts of polyethylene glycol 1500, 10 parts of zinc stearate, 100 parts of polyethylene, the core layer is polyethylene terephthalate, and the cortex accounts for 60% of the total weight of the thermosensitive color-changing fiber;
[0024] The preparation method of the heat-sensitive color-changing fiber is as follows: (a) Weigh the chromogenic agent...
Embodiment 2
[0028] A method for preparing a heat-sensitive color-changing non-woven fabric, the preparation steps are as follows:
[0029] (1) Use heat-sensitive color-changing fibers and ordinary ES fibers as the fiber raw materials of heat-sensitive color-changing non-woven fabrics, wherein the mass ratio of heat-sensitive color-changing fibers and ordinary ES fibers is 50:50;
[0030] The heat-sensitive color-changing fiber is a sheath-core structure, including a skin layer and a core layer, and the skin layer includes the following raw materials in parts by weight: 0.8 parts of 1,3-dimethyl-6-diethylaminofluorane, 1 part of 4- Hydroxycoumarin, 30 parts of polyethylene glycol 1500, 5 parts of zinc stearate, 60 parts of polyethylene, the core layer is polyethylene terephthalate, and the skin layer accounts for the total weight of the thermosensitive color-changing fiber 40%;
[0031]The preparation method of the heat-sensitive color-changing fiber is: (a) weighing each weight part of 1...
Embodiment 3
[0035] A method for preparing a heat-sensitive color-changing non-woven fabric, the preparation steps are as follows:
[0036] (1) Use heat-sensitive color-changing fibers and ordinary ES fibers as the fiber raw materials of heat-sensitive color-changing non-woven fabrics, wherein the mass ratio of heat-sensitive color-changing fibers and ordinary ES fibers is 90:10;
[0037] The heat-sensitive color-changing fiber is a skin-core structure, including a skin layer and a core layer, and the skin layer includes the following raw materials in parts by weight: 2 parts of benzoyl leucomethylene blue, 30 parts of terephthalic acid, 60 parts of polyethylene Glycol 1500, 8 parts of zinc stearate, 80 parts of polyethylene, the core layer is polyethylene terephthalate, and the cortex accounts for 20% of the total weight of the thermosensitive color-changing fiber;
[0038] The preparation method of the heat-sensitive color-changing fiber is as follows: (a) take by weight the benzoyl leuc...
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