阅读说明：本技术 一种抗菌型复合絮片及其制备方法 (Antibacterial composite flocculus and preparation method thereof ) 是由 邱桐 于 2019-08-29 设计创作，主要内容包括：本发明公开了一种抗菌型复合絮片及其制备方法,由调温纤维和氧化锌纳米纤维混合而成,所述调温纤维与氧化锌纳米纤维的混合比20-50％：50-80％,经过氧化锌纳米纤维的制备、纤维网的制备、热粘合工艺和后处理工艺的步骤,完成环保型复合絮片的制备方法；本发明通过将调温纤维和氧化锌纳米纤维进行混合,制备得到复合絮片,兼具了调温纤维和氧化锌纳米纤维的功效,制备得到的絮片具有抑菌、高弹性、膨松性佳、远红外功效佳的功能,同时调温纤维能够有效的对温度和湿度进行调节,控制温度在28-35℃之间。(The invention discloses an antibacterial composite flocculus and a preparation method thereof, wherein the antibacterial composite flocculus is formed by mixing temperature-adjusting fibers and zinc oxide nanofibers, and the mixing ratio of the temperature-adjusting fibers to the zinc oxide nanofibers is 20-50%: 50-80%, and completing the preparation method of the environment-friendly composite flocculus through the steps of zinc oxide nanofiber preparation, fiber mesh preparation, thermal bonding process and post-treatment process; according to the invention, the composite flocculus is prepared by mixing the temperature-adjusting fiber and the zinc oxide nanofiber, has the effects of the temperature-adjusting fiber and the zinc oxide nanofiber, has the functions of bacteriostasis, high elasticity, good bulkiness and good far infrared effect, and meanwhile, the temperature-adjusting fiber can effectively adjust the temperature and the humidity and control the temperature to be between 28 and 35 ℃.)

1. An antibacterial composite flocculus is characterized in that: the temperature-adjusting fiber is formed by mixing temperature-adjusting fibers and zinc oxide nanofibers, wherein the mixing ratio of the temperature-adjusting fibers to the zinc oxide nanofibers is 20-50%: 50 to 80 percent.

2. A method for preparing the antibacterial composite flakes according to claim 1, wherein the method comprises the following steps: the preparation method of the environment-friendly composite flocculus is completed through the steps of preparation of zinc oxide nano fibers, preparation of a fiber net, a thermal bonding process and a post-treatment process, and comprises the following specific steps:

(1) preparing zinc oxide nano fibers: ultrasonically degreasing a substrate in acetone, absolute ethyl alcohol and deionized water for 10-30 minutes in sequence, mixing PVA, zinc acetate and glacial acetic acid, stirring for 2-3 hours at 40-60 ℃ to prepare a spinning solution, collecting the spinning solution on the substrate by adopting an electrostatic spinning method, and calcining the collected fibers in an oxygen atmosphere to finish the preparation of the zinc oxide nanofibers;

(2) preparation of the fiber web: weighing, opening and wetting temperature-adjusting fibers and zinc oxide nanofibers according to a mixing ratio, uniformly mixing the two raw materials, then carrying out roller carding and cross lapping, and finally sending into a needle machine for needling reinforcement to finish the preparation of a fiber web;

(3) and (3) a thermal bonding process: feeding the fiber web into a hot air drying room for hot air bonding reinforcement;

(4) and (3) post-treatment process: slicing, sterilizing with ultraviolet rays, inspecting quality, rolling and packaging to finish the preparation of the flocculus.

3. The method for preparing antibacterial composite flocculus according to claim 2, wherein the method comprises the following steps: in the step (1), the mass ratio of PVA to zinc acetate to glacial acetic acid is 1: 2.4-2.6: 4.7-4.9.

4. The method for preparing antibacterial composite flocculus according to claim 2, wherein the method comprises the following steps: in the step (1), the electrostatic spinning voltage is 16-18KV, and the distance between the injector and the matrix is 12-16 cm.

5. The method for preparing antibacterial composite flocculus according to claim 2, wherein the method comprises the following steps: the substrate in the step (1) is a silicon wafer, the temperature is raised to the calcination temperature of 620-700 ℃ at the temperature rising rate of 3-5 ℃/min during the calcination, and the calcination time is 1.2-1.4 hours.

6. The method for preparing antibacterial composite flocculus according to claim 2, wherein the method comprises the following steps: the diameter of the needling in the needling reinforcement in the step (2) is 0.6-0.7mm, and the needling density is 22-30 needles/cm 2.

7. The method for preparing antibacterial composite flocculus according to claim 2, wherein the method comprises the following steps: the temperature of the hot air in the step (3) is 120-140 ℃, and the bonding and reinforcing time is 4-8 min.

Technical Field

The invention relates to the technical field of flocculus, in particular to an antibacterial composite flocculus and a preparation method thereof.

Background

The wadding is a filling material widely used at home and abroad at present, is a flaky and loose filling material of the wadding, is commonly used in the field of textile in particular, and enters thousands of households. Compared with the traditional collodion cotton wadding, the collodion-free cotton wadding reduces the use of adhesives (particularly aldehyde adhesives) in the manufacturing process, increases the bulkiness and improves the defect of poor heat retention.

As one kind of non-woven fabric, the non-glue cotton wadding is a high-grade material for filling, warming, sound-absorbing and filtering materials of cotton quilt, clothes and plush toy, and has the features of high air permeability, high warming performance, light weight, high resilience, ageing resistance, water washing resistance, no mildew, etc.

The existing flocculus is used as winter clothing filler, can only play a role in heat insulation and warm keeping, cannot adjust the temperature, does not need to synchronously and intelligently adjust the temperature and the humidity, does not have the effects of bacteriostasis, mite prevention and flame retardance, and is poor in skin affinity. The common flocculus can not meet the increasingly-growing living household requirement of people.

Disclosure of Invention

The invention aims to provide an antibacterial composite flocculus which has the advantages of good fluffy effect, far infrared, heat storage and warm keeping, good antibacterial and bacteriostatic effects and can intelligently adjust the temperature and the humidity and a preparation method thereof.

In order to achieve the purpose, the invention provides the following technical scheme: the antibacterial composite flocculus is formed by mixing temperature-adjusting fibers and zinc oxide nanofibers, wherein the mixing ratio of the temperature-adjusting fibers to the zinc oxide nanofibers is 20-50%: 50 to 80 percent.

The invention also aims to provide a preparation method of the antibacterial composite flocculus, which is implemented by the steps of zinc oxide nanofiber preparation, fiber mesh preparation, thermal bonding process and post-treatment process, and comprises the following specific steps:

(1) preparing zinc oxide nano fibers: ultrasonically degreasing a substrate in acetone, absolute ethyl alcohol and deionized water for 10-30 minutes in sequence, mixing PVA, zinc acetate and glacial acetic acid, stirring for 2-3 hours at 40-60 ℃ to prepare a spinning solution, collecting the spinning solution on the substrate by adopting an electrostatic spinning method, and calcining the collected fibers in an oxygen atmosphere to finish the preparation of the zinc oxide nanofibers;

(2) preparation of the fiber web: weighing, opening and wetting temperature-adjusting fibers and zinc oxide nanofibers according to a mixing ratio, uniformly mixing the two raw materials, then carrying out roller carding and cross lapping, and finally sending into a needle machine for needling reinforcement to finish the preparation of a fiber web;

(3) and (3) a thermal bonding process: feeding the fiber web into a hot air drying room for hot air bonding reinforcement;

(4) and (3) post-treatment process: slicing, sterilizing with ultraviolet rays, inspecting quality, rolling and packaging to finish the preparation of the flocculus.

Further, the mass ratio of PVA, zinc acetate and glacial acetic acid in the step (1) is 1: 2.4-2.6: 4.7-4.9.

Further, in the step (1), the electrostatic spinning voltage is 16-18KV, and the distance between the injector and the matrix is 12-16 cm.

Further, the substrate in the step (1) is a silicon wafer, the temperature of the calcination is raised to the calcination temperature of 620-700 ℃ at the temperature raising rate of 3-5 ℃/min, and the calcination time is 1.2-1.4 hours.

Further, the diameter of the needle punching in the needle punching reinforcement in the step (2) is 0.6-0.7mm, and the needle punching density is 22-30 needles/cm 2.

Further, the temperature of the hot air in the step (3) is 120-140 ℃, and the bonding and reinforcing time is 4-8 min.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, the composite flocculus is prepared by mixing the temperature-adjusting fiber and the zinc oxide nanofiber, has the effects of the temperature-adjusting fiber and the zinc oxide nanofiber, has the functions of bacteriostasis, high elasticity, good bulkiness and good far infrared effect, and meanwhile, the temperature-adjusting fiber can effectively adjust the temperature and the humidity and control the temperature to be between 28 and 35 ℃.

Drawings

FIG. 1 is a flow chart of the preparation of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

FIG. 1 shows a flow chart of the preparation process of the present invention.