CN-121976397-A - One-step continuous production method of soft reflective cloth

CN121976397ACN 121976397 ACN121976397 ACN 121976397ACN-121976397-A

Abstract

The invention discloses a one-step continuous production method of soft reflective cloth, and belongs to the technical field of reflective cloth production. The method adopts a one-step continuous production process, and specifically comprises the steps of unreeling fabric base cloth, carrying out padding treatment by aqueous padding liquid, heating and controlling humidity to 70% -95%, then uniformly scraping oily adhesive containing reflective materials on the surface of the base cloth, and finally drying and rolling in a gradient heating mode to obtain the product. The invention utilizes the water-oil insoluble characteristic to block the permeation of the oily adhesive, solves the problem of the permeation of the traditional direct knife coating process, does not need additional priming procedures, and combines the optimized adhesive formula and process parameters to ensure that the product has soft hand feeling, uniform surface shape, rich color, stable reflective performance, high production efficiency and controllable cost, and is suitable for large-scale production.

Inventors

SHI WEI
CHEN YI
WANG WENZHI
YUAN JIE
ZHANG JINGWEI
CHANG KUN

Assignees

浙江星华反光材料有限公司

Dates

Publication Date: 20260505
Application Date: 20260228

Claims (10)

1. A one-step continuous production method of soft reflective cloth is characterized by comprising the following steps: (1) Unreeling the fabric base cloth; (2) Performing padding treatment on the fabric base cloth in aqueous padding liquid to obtain the padded fabric base cloth; (3) Heating and controlling the humidity of the fabric base cloth after the padding treatment to enable the humidity of the fabric base cloth after the padding treatment to be 70% -95%, so as to obtain the fabric base cloth after the heating and controlling the humidity; (4) Uniformly scraping an oily adhesive containing a reflecting material on the surface of the fabric base cloth after heating and humidity control to obtain the scraped fabric base cloth; (5) Drying the scraped fabric base cloth to obtain the soft reflective cloth; (6) And rolling the soft reflective cloth to finish one-step continuous production of the soft reflective cloth.
2. The one-step continuous production method of soft reflective cloth according to claim 1, wherein the fabric base cloth is a woven fabric, and the fabric is one of polyester, nylon or cotton fiber.
3. The one-step continuous production method of soft reflective cloth according to claim 1, wherein the aqueous padding liquid comprises one or more of water, aqueous polyurethane, aqueous acrylic acid, aqueous epoxy glue or aqueous silicone.
4. The one-step continuous production method of the soft reflective cloth according to claim 1, wherein the oily adhesive containing the reflective material comprises, by weight, 10-30 parts of oily polymer resin, 0-1 part of a curing agent, 8-35 parts of the reflective material, 0.3-5 parts of oily color paste and 5-15 parts of a solvent.
5. The one-step continuous production method of soft reflective cloth according to claim 4, wherein the oily high polymer resin comprises one or more of oily acrylic resin, oily polyurethane resin or oily silicone resin.
6. The one-step continuous production method of the soft reflective cloth according to claim 1, wherein the reflective material comprises one or more of glass beads, aluminized glass beads, hollow glass beads, aluminum paste, mica flakes, pearl powder and laser powder.
7. The one-step continuous production method of soft reflective cloth according to claim 4, wherein the solvent comprises one or more of ethyl acetate, acetone, butanone, and toluene.
8. The one-step continuous production method of a soft reflective cloth according to claim 1, wherein the reflective material accounts for 10-70% of the weight of the oily adhesive.
9. The one-step continuous production method of a soft reflective cloth according to claim 1, wherein in the step (3), the heating temperature is 60 to 100 ℃.
10. The one-step continuous production method of soft reflective cloth according to claim 1, wherein in the step (5), the drying adopts a gradient heating mode, and is performed for 30-60s before 60-80 ℃ and then heated to 110-130 ℃ for drying 60-120s.

Description

One-step continuous production method of soft reflective cloth Technical Field The invention relates to the technical field of reflective materials, in particular to a one-step continuous production method of soft reflective cloth. Background The reflective cloth can form high-brightness retroreflection under the irradiation of light, and is widely applied to the fields of traffic safety, occupational protection, outdoor clothing and the like. At present, the main production technology of the reflective cloth comprises the steps of anti-composite highlight reflective cloth, bright silver transfer reflective cloth and direct knife coating reflective cloth. The repeated combination process and the bright silver transfer process have good light reflection effect, but the bead planting film is needed to be used, and a plurality of composite procedures are carried out, so that the product has the advantages of large thickness, hard hand feeling, high production cost and low production efficiency. The direct knife coating method is to directly knife coat the adhesive containing the reflective microbeads on the surface of the base cloth, has simple process and lower cost, but has a long-term problem that the adhesive is easy to permeate to the back of the base cloth. This not only results in mottled or reflective back, which affects aesthetics and use, but also may affect uniformity of the front reflective effect due to uneven penetration. To solve the penetration problem, a primer coating is added before the reflective adhesive layer is knife coated in part of the process, but this clearly increases the process, time and raw material cost, and may further reduce the softness of the fabric. Therefore, development of a knife coating type reflective cloth production process which can effectively prevent adhesive from penetrating, does not need priming and can realize high-efficiency continuous production on the premise of guaranteeing reflective effect and soft hand feeling has important industrial value. Disclosure of Invention The invention aims to provide a one-step continuous production method of soft reflective cloth, which aims to solve the problems of serious adhesive permeation and additional primer coating in the existing direct knife coating method. The method aims at realizing the accurate positioning of the oily adhesive on the surface of the base cloth by optimizing the pretreatment process, thereby achieving the effects of clean back, continuous production by a one-step method and soft and uniform product. In order to achieve the aim of the invention, the invention adopts the following technical scheme: A one-step continuous production method of soft reflective cloth is characterized by comprising the following steps: (1) Unreeling the fabric base cloth; (2) Performing padding treatment on the fabric base cloth in aqueous padding liquid to obtain the padded fabric base cloth; (3) Heating and controlling the humidity of the fabric base cloth after the padding treatment to enable the humidity of the fabric base cloth after the padding treatment to be 70% -95%, so as to obtain the fabric base cloth after the heating and controlling the humidity; (4) Uniformly scraping an oily adhesive containing a reflecting material on the surface of the fabric base cloth after heating and humidity control to obtain the scraped fabric base cloth; (5) Drying and curing the scraped fabric base cloth to obtain the soft reflective cloth; (6) And rolling the soft reflective cloth to finish one-step continuous production of the soft reflective cloth. The technical scheme of the application is a one-step continuous production process, and specifically comprises the steps of unreeling fabric base cloth, immersing in aqueous immersing liquid, heating and controlling humidity to 70% -95%, knife coating oily adhesive containing reflective materials, gradient heating, drying and reeling. The technical pain point of the traditional reflective cloth production is solved by solving the problem that the traditional direct knife coating process has glue penetrating to the back of the base cloth to cause confusion of the front and back colors, the anti-compounding and bright silver transfer process has complex procedures and high cost, and the traditional single-temperature drying is easy to cause foaming and cracking of the coating. The method utilizes the characteristic of water-oil insolubility, the base cloth absorbs enough water after being immersed and bound by water to form a continuous water-based protective film, the subsequent penetration of the oily adhesive into the base cloth and the back can be effectively prevented, meanwhile, the immersing and binding, humidity control and knife coating processes are connected in series, an additional priming process is not needed, the continuous production of a one-step method is realized, the gradient heating and drying are carried out, the solvent is pre-dried and volatilized at low tem