阅读说明：本技术 一种3d打印柔性服装面料的远红外功能性后整理的方法 (Far infrared functional after-finishing method for 3D printing flexible garment fabric ) 是由 孟家光 程燕婷 薛涛 支超 刘艳君 赵澍 张新安 宋瑶 王永臻 林颖蕾 刘亚明 于 2020-11-10 设计创作，主要内容包括：本发明公开了一种3D打印柔性服装面料的远红外功能性后整理的方法,以聚乳酸(PLA)为柔性服装的3D打印材料,以石墨烯为远红外整理剂,将石墨烯分散液和水性聚氨酯溶液,制备成石墨烯/水性聚氨酯复配液,对3D打印服装面料进行涂层处理。经远红外整理后的3D打印柔性服装面料具有良好耐久性、保暖性能,其远红外发射率达到0.92,填补了在3D打印柔性服装面料功能性技术研究方面的空白,为后续相关研究提供理论基础和参考依据。(The invention discloses a far infrared functional after-finishing method of a 3D printing flexible garment fabric, which comprises the steps of taking polylactic acid (PLA) as a 3D printing material of a flexible garment, taking graphene as a far infrared finishing agent, preparing a graphene/waterborne polyurethane compound solution from a graphene dispersion solution and a waterborne polyurethane solution, and carrying out coating treatment on the 3D printing garment fabric. The 3D printed flexible garment material after the far infrared finishing has good durability and heat preservation performance, the far infrared emissivity of the fabric reaches 0.92, the blank in the aspect of functional technology research of the 3D printed flexible garment material is filled, and a theoretical basis and a reference basis are provided for subsequent related research.)

1. A far infrared functional after-finishing method for a 3D printed flexible garment material is characterized by comprising the following steps:

step 1, preparing a graphene dispersion liquid, and carrying out ultrasonic treatment on the graphene dispersion liquid;

step 2, adding the graphene dispersion liquid treated in the step 1 into an adhesive to prepare a compound liquid;

and 3, coating the 3D printed flexible garment fabric with the compound liquid.

2. The method for far infrared functional after finishing of the 3D printed flexible garment material according to claim 1, wherein the graphene in the step 1 is 1-5 nm in size.

3. The far infrared functional after-finishing method for the 3D printed flexible garment material according to claim 1, characterized in that the graphene dispersion liquid is obtained by mixing and stirring deionized water and graphene, and the mass ratio of the graphene to the deionized water is 3: 200.

4. The method for the far infrared functional after finishing of the 3D printed flexible garment material according to claim 1, wherein the specific process of the ultrasonic treatment in the step 1 is as follows: and (3) placing the graphene dispersion liquid in a beaker, sealing the beaker by using a preservative film, and then carrying out ultrasonic treatment for 2 hours by using an ultrasonic processor.

5. The method for 3D printing far infrared functional after finishing of the flexible garment material according to claim 4, wherein the model of the ultrasonic processor is CQ-25-6B.

6. The method for performing far infrared functional after-finishing on 3D printed flexible garment material according to claim 1, wherein the adhesive in the step 2 is an aqueous polyurethane solution with a type F0401, and the mass fraction of graphene in the compound liquid is 0.5-2%.

7. The method for the far infrared functional after finishing of the 3D printed flexible garment material according to the claim 1, wherein the 3D printed flexible garment material in the step 3 is made of flexible PLA, and the coating amount in the coating process is 200mg/m²。

Technical Field

The invention relates to the technical field of 3D printing textile clothing, in particular to a far infrared functional after-finishing method of a 3D printing flexible clothing fabric.

Background

The processing method of the nano far infrared textile comprises two methods: one is a spinning method, that is, far infrared fabrics are woven by adopting far infrared chemical fibers produced by a spinning blending method; the other is a coating method, namely, a far infrared fabric is formed by adopting far infrared finishing and finishing after dyeing and finishing. The coating method is especially suitable for non-woven fabrics due to simple process and convenient operation.

The polyurethane adhesive has the advantages of strong adhesive force, soft hand feeling, environmental protection and the like, and is a coating and an adhesive which are most widely applied. Graphene is used as a functional finishing agent, polyurethane is used as an adhesive, the graphene and the polyurethane are compounded to prepare a graphene/waterborne polyurethane mixed solution, and the fabric is modified to obtain a fabric with higher far infrared emissivity.

At present, functional after-finishing research on 3D printed flexible textiles is less, and the 3D printed flexible textile fabric is taken as a product gradually arising in the textile and clothing industry as a 3D printing technology, so that the fabric not only has wearability, but also can meet personalized requirements of people to a certain extent. According to the invention, the far infrared functional after-finishing is carried out on the 3D printed flexible garment fabric, so that the innovation and intellectualization of garment fabric production are realized, and the prepared fabric has excellent functionality.

Disclosure of Invention

The invention aims to provide a far infrared functional after-finishing method of a 3D printing flexible garment material, which adopts nano graphene and waterborne polyurethane to prepare a graphene/waterborne polyurethane compound liquid to carry out coating treatment on the 3D printing flexible garment material, and fills the gap in the aspect of functional technical research of the 3D printing flexible garment material.

The technical scheme adopted by the invention is specifically implemented according to the following steps:

step 1, preparing a graphene dispersion liquid, and carrying out ultrasonic treatment on the graphene dispersion liquid;

step 2, adding the graphene dispersion liquid treated in the step 1 into an adhesive to prepare a compound liquid;

and 3, coating the 3D printed flexible garment fabric with the compound liquid.

The invention is also characterized in that:

wherein the size of the graphene in the step 1 is 1-5 nm;

the graphene dispersion liquid is obtained by mixing and stirring deionized water and graphene, and the mass ratio of the graphene to the deionized water is 3: 200;

the specific process of ultrasonic treatment in the step 1 is as follows: placing the graphene dispersion liquid in a beaker, sealing the beaker by using a preservative film, and then carrying out ultrasonic treatment for 2 hours by using an ultrasonic processor;

wherein the model of the ultrasonic processor is CQ-25-6B;

wherein the adhesive in the step 2 is a water-based polyurethane solution with the type F0401, and the mass fraction of graphene in the compound liquid is 0.5-2%;

wherein the 3D printing flexible garment material in the step 3 takes flexible PLA as a raw material, and the coating amount in the coating treatment is 200mg/m²。

The invention has the beneficial effects that:

according to the method for the far infrared functional after-finishing of the 3D printing flexible garment material, disclosed by the invention, the graphene/waterborne polyurethane compound liquid is prepared by taking the graphene and the waterborne polyurethane as raw materials, the 3D printing flexible garment material is subjected to coating treatment, so that the 3D printing flexible garment material has good durability and heat preservation performance, the far infrared emissivity of the 3D printing flexible garment material reaches 0.92, the blank in the aspect of the functional technical research of the 3D printing flexible garment material is filled, and a theoretical basis and a reference basis are provided for the subsequent related research.

Detailed Description

The present invention will be described in detail with reference to the following embodiments.

The invention provides a far infrared functional after-finishing method for a 3D printed flexible garment material, which is implemented by the following steps:

step 1, preparing a graphene dispersion liquid, and carrying out ultrasonic treatment on the graphene dispersion liquid:

the size of the graphene is 1-5 nm, the graphene dispersion liquid is obtained by mixing and stirring deionized water and the graphene, the mass ratio of the graphene to the deionized water is 3:200, and the specific process of ultrasonic treatment is as follows: placing the graphene dispersion liquid in a beaker, sealing the beaker by using a preservative film, and then carrying out ultrasonic treatment for 2 hours by using an ultrasonic processor, wherein the model of the ultrasonic processor is CQ-25-6B;

step 2, adding the graphene dispersion liquid treated in the step 1 into an adhesive to prepare a compound liquid, wherein the adhesive is an aqueous polyurethane solution with the type F0401, and the mass fraction of graphene in the compound liquid is 0.5-2%;

step 3, coating the 3D printed flexible garment material with the compound liquid:

the 3D printing flexible garment material takes flexible PLA as a raw material, and the coating amount in the coating treatment is 200mg/m²。

Example 1

Step 1, preparing a graphene dispersion liquid, and carrying out ultrasonic treatment on the graphene dispersion liquid:

the size of the graphene is 1nm, the graphene dispersion liquid is obtained by mixing and stirring deionized water and the graphene, the mass ratio of the graphene to the deionized water is 3:200, and the specific process of ultrasonic treatment is as follows: placing the graphene dispersion liquid in a beaker, sealing the beaker by using a preservative film, and then carrying out ultrasonic treatment for 2 hours by using an ultrasonic processor, wherein the model of the ultrasonic processor is CQ-25-6B;

step 2, adding the graphene dispersion liquid treated in the step 1 into an adhesive to prepare a compound liquid, wherein the adhesive is an aqueous polyurethane solution with the type F0401, and the mass fraction of graphene in the compound liquid is 0.5%;

step 3, coating the 3D printed flexible garment material with the compound liquid:

the 3D printing flexible garment material takes flexible PLA as a raw material, and the coating amount in the coating treatment is 200mg/m²。

Example 2

Step 1, preparing a graphene dispersion liquid, and carrying out ultrasonic treatment on the graphene dispersion liquid:

the size of the graphene is 5nm, the graphene dispersion liquid is obtained by mixing and stirring deionized water and the graphene, the mass ratio of the graphene to the deionized water is 3:200, and the specific process of ultrasonic treatment is as follows: placing the graphene dispersion liquid in a beaker, sealing the beaker by using a preservative film, and then carrying out ultrasonic treatment for 2 hours by using an ultrasonic processor, wherein the model of the ultrasonic processor is CQ-25-6B;

step 2, adding the graphene dispersion liquid treated in the step 1 into an adhesive to prepare a compound liquid, wherein the adhesive is an aqueous polyurethane solution with the type F0401, and the mass fraction of graphene in the compound liquid is 1%;

step 3, coating the 3D printed flexible garment material with the compound liquid:

the 3D printing flexible garment material takes flexible PLA as a raw material, and the coating amount in the coating treatment is 200mg/m²。

Example 3

Step 1, preparing a graphene dispersion liquid, and carrying out ultrasonic treatment on the graphene dispersion liquid:

the size of the graphene is 3nm, the graphene dispersion liquid is obtained by mixing and stirring deionized water and the graphene, the mass ratio of the graphene to the deionized water is 3:200, and the specific process of ultrasonic treatment is as follows: placing the graphene dispersion liquid in a beaker, sealing the beaker by using a preservative film, and then carrying out ultrasonic treatment for 2 hours by using an ultrasonic processor, wherein the model of the ultrasonic processor is CQ-25-6B;

step 2, adding the graphene dispersion liquid treated in the step 1 into an adhesive to prepare a compound liquid, wherein the adhesive is an aqueous polyurethane solution with the type F0401, and the mass fraction of graphene in the compound liquid is 2%;

step 3, coating the 3D printed flexible garment material with the compound liquid:

the 3D printing flexible garment material takes flexible PLA as a raw material, and the coating amount in the coating treatment is 200mg/m²。