Polymer printing material and synthesis method thereof

Abstract

The invention discloses a polymer printing material and a synthesis method thereof. The polymer printing material comprises the following raw materials in percentage: 25% of polyether polyol, 23% of polymerase polyol, 28% of diphenylmethane diisocyanate, 5% of an organic tin catalyst, 1% of a dihydric alcohol chain extender and 15% of a solvent. The polymer printing material prepared by the invention is a polyurethane material synthesized by combining the polyether polyol, the polyester polyol, the diphenylmethane diisocyanate, the organic tin catalyst, the dihydric alcohol chain extender and the solvent, and has very high flexibility, tensile strength and tear strength; the completeness and durability of an image can be kept after printing, so that the friction resistance, the washing resistance and the light fastness after printing are improved, and an effective application effect is achieved.

Description

Technical Field

[0001] The invention relates to the field of polymer printing materials, and in particular to a polymer printing material and a synthesis method thereof. Background Art

[0002] High molecular material, also known as polymer material, is a material composed of high molecular compound as matrix and other additives. Patterns, text or images are transferred to various substrates through printing process. The high molecular printing materials in the prior art are mainly acrylic printing materials, polyvinyl alcohol (PVA) printing materials and polyacrylate printing materials. The printing materials have the disadvantages of low flexibility, durability and tensile strength, which makes the use of the printing materials in the fields of shoemaking, clothing, furniture and decoration unsatisfactory. For this reason, we propose a high molecular printing material and a synthesis method thereof. Summary of the invention

[0003] Based on the technical problems existing in the background technology, the present invention proposes a polymer printing material and a synthesis method thereof.

[0004] The polymer printing material provided by the invention comprises the following raw materials in percentage: 25% of polyether polyol, 23% of polyenzyme polyol, 28% of diphenylmethane diisocyanate enzyme, 5% of organic tin catalyst, 1% of diol chain extender and 15% of solvent.

[0005] Preferably, the solvent is deionized water.

[0006] Preferably, the diol chain extender is used to strengthen the connection between the molecular chains of polyether polyol, polyenzyme polyol and diphenylmethane diisocyanate, thereby achieving the effect of increasing the strength, hardness and wear resistance of the material.

[0007] The present invention also proposes a method for synthesizing a polymer printing material, comprising the following steps:

[0008] S1: 25% of polyether polyol, 23% of polyenzyme polyol and 28% of diphenylmethane diisocyanate are added into a low-speed mixer and mixed and stirred at a low speed;

[0009] S2: Add 5% of the organotin catalyst to the low-speed mixer in S1, and continue stirring and mixing to promote the reaction;

[0010] S3: Add 1% of diol chain extender to the low-speed mixer in S2 and continue stirring and mixing to control the stability of the analysis amount;

[0011] S4: heating the materials in the low-speed mixer in S3, and continuing to stir and mix after heating to react into a mixture;

[0012] S5: After the mixture in S4 has reacted, 15% deionized water is added and stirred continuously to adjust the viscosity to obtain a polymer material;

[0013] S6: The polymer material synthesized in S5 is filtered, degassed and decontaminated in sequence to obtain a high-purity polymer material.

[0014] Preferably, in S1, the rotation speed of the low-speed mixer is 500-600 r / min.

[0015] Preferably, in S4, the materials are heated to 60°C and stirred and mixed at 60°C.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The polymer printing material prepared by the invention is a polyurethane material synthesized by combining polyether polyol, polyester polyol, diphenylmethane diisocyanate, organic tin catalyst, diol chain extender and solvent, and has high flexibility, tensile strength and tear strength, so that the integrity and durability of the image can be maintained after printing, thereby improving the friction resistance, water washing resistance and light fastness after printing, and achieving an effective application effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention provides a flow chart of a synthesis method of a polymer printing material. DETAILED DESCRIPTION

[0019] The present invention will be further explained below in conjunction with specific embodiments.

[0020] Example

[0021] Reference Figure 1 The present invention proposes a polymer printing material, comprising the following raw material percentages: 25% of polyether polyol, 23% of polyenzyme polyol, 28% of diphenylmethane diisocyanate, 5% of organic tin catalyst, 1% of diol chain extender, and 15% of solvent, wherein the solvent is deionized water, and the diol chain extender is used to enhance the connection between the molecular chains of polyether polyol, polyenzyme polyol and diphenylmethane diisocyanate, thereby achieving the effect of increasing the strength, hardness and wear resistance of the material;

[0022] The synthesis method of the polymer printing material comprises the following steps:

[0023] S1: 25% of polyether polyol, 23% of polyenzyme polyol and 28% of diphenylmethane diisocyanate are added into a low-speed mixer to mix and stir at a low speed, wherein the speed of the low-speed mixer is 500-600 r / min;

[0024] S2: Add 5% of the organotin catalyst to the low-speed mixer in S1, and continue stirring and mixing to promote the reaction;

[0025] S3: Add 1% of diol chain extender to the low-speed mixer in S2 and continue stirring and mixing to control the stability of the analysis amount;

[0026] S4: heating the materials in the low-speed mixer in S3, and continuing to stir and mix after heating to react into a mixture, wherein the materials are heated to a temperature of 60° C., and stirred and mixed at a temperature of 60° C.;

[0027] S5: After the mixture in S4 has reacted, 15% deionized water is added and stirred continuously to adjust the viscosity to obtain a polymer material;

[0028] S6: The polymer material synthesized in S5 is filtered, degassed and decontaminated in sequence to obtain a high-purity polymer material.

[0029] The polymer printing material prepared in the embodiment was tested, and the test data are shown in the following table:

[0030] Test items Test results Viscosity(cps) 5000 Solid content (%) 50 Abrasion fastness (grade) Level 4-5 Washability (grade) Level 4 Tensile strength(MPA) 15 Elongation at break (%) 200 Light fastness (grade) Level 6 Color difference value ΔE=1.5

[0031] The polymer printing material prepared in this embodiment is a polyurethane material synthesized by combining polyether polyol, polyester polyol, diphenylmethane diisocyanate, organic tin catalyst, diol chain extender and solvent, and has high flexibility, tensile strength and tear strength, so that it can maintain the integrity and durability of the image after printing, thereby improving the friction resistance, water washing resistance and light fastness after printing, and achieving an effective application effect.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A polymer printing material, characterized in that: The invention comprises the following raw materials in percentages: 25% of polyether polyol, 23% of polyenzyme polyol, 28% of diphenylmethane diisocyanate enzyme, 5% of organic tin catalyst, 1% of diol chain extender and 15% of solvent.

2. A polymer printing material according to claim 1, characterized in that: The solvent is deionized water.

3. A polymer printing material according to claim 1, characterized in that: The diol chain extender is used to strengthen the connection between the molecular chains of polyether polyol, polyenzyme polyol and diphenylmethane diisocyanate, so as to achieve the effect of increasing the strength, hardness and wear resistance of the material.

4. A method for synthesizing a polymer printing material, characterized in that: The following steps are involved: S1: 25% of polyether polyol, 23% of polyenzyme polyol and 28% of diphenylmethane diisocyanate are added into a low-speed mixer and mixed and stirred at a low speed; S2: Add 5% of the organotin catalyst to the low-speed mixer in S1, and continue stirring and mixing to promote the reaction; S3: Add 1% of diol chain extender to the low-speed mixer in S2 and continue stirring and mixing to control the stability of the analysis amount; S4: heating the materials in the low-speed mixer in S3, and continuing to stir and mix after heating to react into a mixture; S5: After the mixture in S4 has reacted, 15% deionized water is added and stirred continuously to adjust the viscosity to obtain a polymer material; S6: The polymer material synthesized in S5 is filtered, degassed and decontaminated in sequence to obtain a high-purity polymer material.

5. The method for synthesizing a polymer printing material according to claim 4, characterized in that: In S1, the rotation speed of the low-speed mixer is 500-600 r / min.

6. The method for synthesizing a polymer printing material according to claim 4, characterized in that: In S4, the materials are heated to 60°C and stirred and mixed at 60°C.

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