阅读说明：本技术 一种免水洗转移印花浆料及其制备方法与应用 (Washing-free transfer printing paste and preparation method and application thereof ) 是由 陈国强 冯建忠 陈排前 于 2021-02-25 设计创作，主要内容包括：本发明公开了一种免水洗转移印花浆料及其制备方法与应用,本发明的免水洗转移印花浆料,以重量百分比计,由以下组分组成：40-90％树脂,1-6％交联剂和0.1-2％助剂,余量为水。本发明通过免水洗转移印花方法将水溶性染料转移到玻璃纤维织物上,实现玻璃纤维织物上免水洗连续化转移印花,制得的织物摩擦耐性好,色牢度高。(The invention discloses a washing-free transfer printing paste and a preparation method and application thereof, and the washing-free transfer printing paste comprises the following components in percentage by weight: 40-90% of resin, 1-6% of cross-linking agent, 0.1-2% of auxiliary agent and the balance of water. According to the invention, the water-soluble dye is transferred to the glass fiber fabric by a washing-free transfer printing method, so that washing-free continuous transfer printing on the glass fiber fabric is realized, and the prepared fabric has good friction resistance and high color fastness.)

1. The washing-free transfer printing paste is characterized by comprising the following components in percentage by weight: 40-90% of resin, 1-6% of cross-linking agent, 0.1-2% of auxiliary agent and the balance of water.

2. The washing-free transfer printing paste according to claim 1, wherein the resin is one or more of silicone modified polyurethane, acrylic resin, waterborne polyurethane and epoxy resin.

3. The wash-free transfer printing paste according to claim 1, wherein the cross-linking agent is one or more of an oxazolin cross-linking agent, a polycarbodiimide cross-linking agent, and an aziridine cross-linking agent.

4. The wash-free transfer printing paste according to claim 1, wherein the auxiliaries are a softener and a brightener.

5. The wash-free transfer printing paste according to claim 4, wherein the softener is a silicone softener.

6. The wash-free transfer printing paste according to claim 4, wherein the brightener is a nitrocellulose polyacrylate brightener.

7. A preparation method of the washing-free transfer printing paste of any one of claims 1 to 6, characterized by comprising the following steps: firstly, diluting a cross-linking agent with water, uniformly stirring, then adding the cross-linking agent into resin, sequentially adding an auxiliary agent and water, and uniformly mixing to obtain the washing-free transfer printing paste.

8. The preparation method according to claim 7, wherein the mass ratio of the crosslinking agent to the water for diluting the crosslinking agent is 1: 0.5-2.

9. Use of the water-free transfer printing paste of any one of claims 1 to 6 for transfer printing of glass fiber fabrics.

10. Use according to claim 9, wherein the glass fabric is a woven glass fiber fabric or a glass felt fabric.

Technical Field

The invention relates to the technical field of textiles, in particular to washing-free transfer printing paste and a preparation method and application thereof.

Background

The glass fiber is an inorganic functional material with excellent performance, has a series of excellent performances such as high tensile strength, good rigidity, high temperature resistance, corrosion resistance and the like, and is widely applied to various fields of national economy. The development of the colored glass fiber products has very important significance for widening the application range of the glass fiber products. In order to improve the appearance of the glass fiber, meet the requirements of customers on the color of the product and expand the application range of the product, the glass fiber fabric needs to be printed to meet the requirements of developing glass fiber products with different colors. However, the problems of complex operation, low color fastness and the like exist when the currently used dye is used for transfer printing on glass fiber fabrics, and in order to solve the problems, the invention provides the washing-free transfer printing slurry applied to the glass fiber fabrics and the preparation method thereof.

Disclosure of Invention

The invention aims to provide a water-free transfer printing paste which comprises the following components in percentage by weight: 40-90% of resin, 1-6% of cross-linking agent, 0.1-2% of auxiliary agent and the balance of water.

Further, the resin is one or more of organic silicon modified polyurethane, acrylic resin, waterborne polyurethane and epoxy resin.

Further, the cross-linking agent is one or more of a oxazolin cross-linking agent, a polycarbodiimide cross-linking agent and an aziridine cross-linking agent.

Further, the auxiliary agent is a softening agent and a brightening agent.

Further, the softening agent is an organic silicon softening agent.

Further, the brightening agent is nitrocellulose polyacrylate brightening agent.

The invention also aims to provide a preparation method of the water-free transfer printing paste, which comprises the following steps: firstly, diluting a cross-linking agent with water, uniformly stirring, then adding the cross-linking agent into resin, sequentially adding an auxiliary agent and water, and uniformly mixing to obtain the washing-free transfer printing paste.

Furthermore, the mass ratio of the cross-linking agent to the water of the diluent cross-linking agent is 1: 0.5-2.

The invention also aims to provide application of the water-free transfer printing paste in transfer printing of glass fiber fabrics.

Further, the glass fiber fabric is glass fiber woven fabric or glass felt cloth.

The invention has the beneficial effects that:

(1) the dye can be transferred to the glass fiber fabric by a washing-free transfer printing method, so that washing-free continuous transfer printing on the glass fiber fabric is realized.

(2) The dye provided by the invention has the advantages that through regulating and controlling the proportion of the resin and the cross-linking agent, the cross-linking of the dye is stable, the solution is uniform, and the fabric obtained after transfer printing has good friction resistance and high color fastness.

Detailed Description

The present invention is further described below in conjunction with specific examples to enable those skilled in the art to better understand the present invention and to practice it, but the examples are not intended to limit the present invention.

Example 1:

the embodiment provides a washing-free transfer printing paste for glass fiber fabrics, which comprises the following components in percentage by weight based on the total weight of the paste: acrylic resin: 90%, aziridine crosslinking agent: 4.5%, softening agent: 0.5%, brightener: 0.3 percent of water and the balance of water.

The preparation method of the washing-free transfer printing paste comprises the following steps:

according to the weight percentage of the components, firstly diluting the aziridine crosslinking agent with equivalent deionized water, uniformly stirring, then adding the aziridine crosslinking agent into acrylic resin, sequentially adding a softening agent and a brightening agent to supplement water to 100%, and uniformly stirring to obtain the washing-free transfer printing paste.

Example 2:

the embodiment provides a washing-free transfer printing paste which comprises the following components in percentage by weight based on the total weight of the paste: aqueous polyurethane: 50%, oxazolin crosslinker: 5%, softening agent: 0.5%, brightener: 0.3 percent of water and the balance of water.

The preparation method of the washing-free transfer printing paste comprises the following steps:

according to the weight percentage of the components, the oxazoline cross-linking agent is diluted by equivalent deionized water and stirred uniformly, then the oxazoline cross-linking agent is added into waterborne polyurethane, then a softening agent and a brightening agent are sequentially added to supplement water to 100 percent, and the water-free transfer printing paste is obtained after stirring uniformly.

Example 3:

the embodiment provides a washing-free transfer printing paste which comprises the following components in percentage by weight based on the total weight of the paste: organosilicon modified polyurethane: 40%, waterborne polyurethane: 20%, aziridine crosslinking agent: 3%, softening agent: 0.5%, brightener: 0.3 percent of water and the balance of water.

The preparation method of the washing-free transfer printing paste comprises the following steps:

according to the weight percentage of the components, firstly diluting the aziridine crosslinking agent with equivalent deionized water, uniformly stirring, then adding the aziridine crosslinking agent into the mixed solution of the organic silicon modified polyurethane and the waterborne polyurethane, uniformly stirring, then sequentially adding the softening agent and the brightening agent for water supplement to 100%, and uniformly stirring to obtain the washing-free transfer printing slurry.

Example 4:

the embodiment provides a washing-free transfer printing paste which comprises the following components in percentage by weight based on the total weight of the paste: organosilicon modified polyurethane: 90%, aziridine crosslinking agent: 6%, softening agent: 0.5%, brightener: 1.5 percent and the balance of water.

The preparation method of the washing-free transfer printing paste comprises the following steps:

according to the weight percentage of the components, firstly diluting the aziridine crosslinking agent with equivalent deionized water, uniformly stirring, then adding the aziridine crosslinking agent into the organic silicon modified polyurethane, sequentially adding the softening agent and the brightening agent, adding water to 100%, and uniformly stirring to obtain the water-free transfer printing paste.

Example 5:

the embodiment provides a washing-free transfer printing paste which comprises the following components in percentage by weight based on the total weight of the paste: epoxy resin: 50%, oxazolin crosslinker: 1%, softening agent: 0.1%, brightener: 0.1 percent and the balance of water.

The preparation method of the washing-free transfer printing paste comprises the following steps:

according to the weight percentage of the components, the oxazoline cross-linking agent is diluted by equivalent deionized water and stirred uniformly, then the oxazoline cross-linking agent is added into epoxy resin, then a softening agent and a brightening agent are sequentially added, water is added to 100%, and the water-free transfer printing paste is obtained after the oxazoline cross-linking agent and the brightening agent are stirred uniformly.

Example 6:

the embodiment provides a washing-free transfer printing paste which comprises the following components in percentage by weight: acrylic resin: 40%, epoxy resin: 20%, polycarbodiimide crosslinking agent: 3%, softening agent: 0.5%, brightener: 0.3 percent of water and the balance of water.

The preparation method of the washing-free transfer printing paste comprises the following steps:

according to the weight percentage of the components, firstly diluting the polycarbodiimide crosslinking agent with equivalent deionized water, uniformly stirring, then adding the polycarbodiimide crosslinking agent into a mixed solution of acrylic resin and epoxy resin, uniformly stirring, then sequentially adding a softening agent and a brightening agent to supplement water to 100%, and uniformly stirring to obtain the washing-free transfer printing paste.

After transfer printing the glass fiber fabrics with the dyes of examples 1-6, the corresponding glass fiber fabrics were subjected to various fastness tests, and the results are shown in Table 1. The result shows that the fastness of the glass fiber fabric conforms to GB/T3920-.

TABLE 1 fastness test results of fabrics

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.