阅读说明：本技术 一种高阻燃复合涂层面料制备方法 (Preparation method of high-flame-retardant composite coating fabric ) 是由 田加永 吴从雷 于 2020-05-29 设计创作，主要内容包括：本发明提供一种高阻燃复合涂层面料制备方法,包括如下步骤：取阻燃基布,将阻燃涂层通过整理机涂覆至所述阻燃基布表面,涂覆完成后烘干,得到高阻燃复合涂层面料。所述制备方法制得的面料,不论是基布还是涂层,均具有良好的阻燃耐高温性能,且涂层与基布之间贴合紧密形成一体,面料耐用性增强,且面料透气性好,制备工艺简单,生产成本低。(The invention provides a preparation method of a high-flame-retardant composite coating fabric, which comprises the following steps: and taking the flame-retardant base fabric, coating the flame-retardant coating on the surface of the flame-retardant base fabric through a finishing machine, and drying after coating to obtain the high-flame-retardant composite coating fabric. The fabric prepared by the preparation method has good flame-retardant and high-temperature-resistant performances no matter the fabric is a base fabric or a coating, the coating and the base fabric are tightly attached into a whole, the durability of the fabric is enhanced, the air permeability of the fabric is good, the preparation process is simple, and the production cost is low.)

1. A preparation method of a high-flame-retardant composite coating fabric is characterized by comprising the following steps:

taking flame-retardant base cloth, coating a flame-retardant coating on the surface of the flame-retardant base cloth through a finishing machine, and drying after coating to obtain a high-flame-retardant composite coating fabric;

the flame-retardant base fabric is formed by interweaving yarns formed by flame-retardant fibers, and the flame-retardant fibers comprise the following components in parts by weight: polyacrylonitrile carbon fiber: 30-40 parts of bamboo charcoal fiber: 15-25 parts of methyl cellulose: 10-15 parts of chitosan: 5-10 parts of a water-soluble adhesive: 5-10 parts of stearamide: 5-10 parts of a flame retardant: 5-10 parts;

the flame-retardant coating for the flame-retardant coating comprises the following components in parts by weight:

acrylic polyurethane graft emulsion: 30-40 parts of water-based acrylic emulsion: 20-30 parts of silicon nitride: 5-10 parts of nano titanium dioxide: 15-20 parts of carboxymethyl cellulose: 5-10 parts of titanate coupling agent: 1-5 parts of flame-retardant filler: 5-10 parts of pentaerythritol: 10-20 parts of bentonite: 1-5 parts of a combustion inhibitor: 1-5 parts of defoaming agent: 1-5 parts of a cross-linking agent: 1-5 parts of deionized water: 80-100 parts.

2. The preparation method of the high-flame-retardant composite coating fabric according to claim 1, wherein the flame-retardant filler is one of expanded perlite, expanded vermiculite, hollow glass beads and sepiolite.

3. The preparation method of the high flame retardant composite coating fabric according to claim 1, wherein the combustion inhibitor is ammonium polyphosphate or aluminum hydroxide.

4. The preparation method of the high flame retardant composite coating fabric according to claim 1, wherein the defoaming agent is a water-based fatty amide surfactant.

5. The preparation method of the high flame retardant composite coating fabric according to claim 1, wherein the cross-linking agent is end-capped acetonitrile acid ester.

6. The preparation method of the high flame retardant composite coating fabric according to claim 1, wherein the flame retardant is a polyvinyl chloride flame retardant.

7. The preparation method of the high-flame-retardant composite coating fabric according to claim 1, wherein the preparation method of the flame-retardant fiber comprises the following steps: adding polyacrylonitrile carbon fiber, bamboo charcoal fiber, methyl cellulose, chitosan, a water-soluble adhesive, stearamide and a flame retardant into a stirrer according to a ratio, stirring for 15-20 minutes at the rotating speed of 800-1000 rpm, adding the mixture into a double-screw extruder for melt extrusion, conveying a fully-melted melt into a spinning box body through a melt pipeline, extruding the melt from a jet hole of a spinning nozzle at the spinning temperature of 180-230 ℃ and the spinning speed of 1500-2000 m/min, cooling and solidifying a tow in side air at the temperature of 18-20 ℃ to form a filament, then putting the filament into boiling water for boiling for 20-25 minutes, taking out and drying to obtain the flame-retardant fiber.

8. The preparation method of the high-flame-retardant composite coating fabric according to claim 1, wherein the preparation method of the flame-retardant coating for the flame-retardant coating comprises the following steps: adding the acrylic polyurethane grafted emulsion, the water-based acrylic emulsion, silicon nitride, nano titanium dioxide, carboxymethyl cellulose, a titanate coupling agent, a flame-retardant filler, pentaerythritol, bentonite, a combustion inhibitor, a defoaming agent, a crosslinking agent and deionized water into a stirring tank according to the proportion, stirring for 1-2 hours at the rotating speed of 800-1000 rpm, and standing to obtain the flame-retardant coating for the flame-retardant coating.

Technical Field

The invention belongs to the technical field of fabric preparation, and particularly relates to a preparation method of a high-flame-retardant composite coating fabric.

Background

The coated fabric is a fabric treated by a special process. It can form a layer of uniform covering rubber material on the surface of the fabric, thereby achieving the functions of water resistance, wind resistance and the like.

The coating fabric is prepared by dissolving needed coating colloidal particles (including PU glue, A/C glue, PVC, PE glue) and the like into a salivation shape by using a solvent or water, uniformly coating the salivation shape on cloth (including base materials such as cotton, terylene, chinlon and the like) in a certain mode (a rotary screen, a scraper or a roller), and then fixing the base materials in an oven at a temperature to form a layer of uniform covering glue material on the surface of the fabric.

The coated fabric is widely applied to sportswear, down jackets, coats, tents, shoes and socks, curtains, cases, ski shirts with high-grade waterproof and moisture-permeable functions, mountaineering suits, windcoats and the like. It can also be used in the fields of national defense, navigation, fishing, offshore oil well, transportation, etc.

As for the coating fabric, chinese patent publication No. CN202952616U discloses a waterproof coating fabric, which includes: the base cloth is arranged on the waterproof coating on the front surface of the base cloth; the waterproof coating is a hyperbranched compound coating with a melamine core; the thickness of the waterproof coating is 0.3-1.0 mm; the base cloth is polyester fabric or superfine fiber. The waterproof coating contains hyperbranched compounds with melamine cores, so that the fabric is ensured to have good waterproof performance, no formaldehyde residue is ensured, and the use is safe; the base cloth is made of polyester fabric or superfine fiber, so that the moisture absorption and quick drying effects are achieved, and the use comfort is guaranteed. However, the waterproof coating fabric provided by the patent mainly aims at the waterproof performance of the fabric, and the flame retardant performance of the fabric is not mentioned.

Disclosure of Invention

In order to solve the problems, the invention aims to provide a preparation method of a high-flame-retardant composite coating fabric, the fabric prepared by the preparation method has good flame-retardant and high-temperature-resistant performances no matter the fabric is a base fabric or a coating, the coating and the base fabric are tightly attached to form a whole, the durability of the fabric is enhanced, the air permeability of the fabric is good, the preparation process is simple, and the production cost is low.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a preparation method of a high-flame-retardant composite coating fabric comprises the following steps: taking flame-retardant base cloth, coating a flame-retardant coating on the surface of the flame-retardant base cloth through a finishing machine, and drying after coating to obtain a high-flame-retardant composite coating fabric; the flame-retardant base fabric is formed by interweaving yarns formed by flame-retardant fibers, and the flame-retardant fibers comprise the following components in parts by weight: polyacrylonitrile carbon fiber: 30-40 parts of bamboo charcoal fiber: 15-25 parts of methyl cellulose: 10-15 parts of chitosan: 5-10 parts of a water-soluble adhesive: 5-10 parts of stearamide: 5-10 parts of a flame retardant: 5-10 parts; the flame-retardant coating for the flame-retardant coating comprises the following components in parts by weight: acrylic polyurethane graft emulsion: 30-40 parts of water-based acrylic emulsion: 20-30 parts of silicon nitride: 5-10 parts of nano titanium dioxide: 15-20 parts of carboxymethyl cellulose: 5-10 parts of titanate coupling agent: 1-5 parts of flame-retardant filler: 5-10 parts of pentaerythritol: 10-20 parts of bentonite: 1-5 parts of a combustion inhibitor: 1-5 parts of defoaming agent: 1-5 parts of a cross-linking agent: 1-5 parts of deionized water: 80-100 parts.

Further, the flame-retardant filler is one of expanded perlite, expanded vermiculite, hollow glass beads and sepiolite.

Further, the combustion inhibitor is ammonium polyphosphate or aluminum hydroxide.

Further, the antifoaming agent is a water-based fatty amide surfactant.

Further, the cross-linking agent is end-capped acetonitrile acid ester.

Further, the flame retardant is a polyvinyl chloride flame retardant.

Further, the preparation method of the flame-retardant fiber comprises the following steps: adding polyacrylonitrile carbon fiber, bamboo charcoal fiber, methyl cellulose, chitosan, a water-soluble adhesive, stearamide and a flame retardant into a stirrer according to a ratio, stirring for 15-20 minutes at the rotating speed of 800-1000 rpm, adding the mixture into a double-screw extruder for melt extrusion, conveying a fully-melted melt into a spinning box body through a melt pipeline, extruding the melt from a jet hole of a spinning nozzle at the spinning temperature of 180-230 ℃ and the spinning speed of 1500-2000 m/min, cooling and solidifying a tow in side air at the temperature of 18-20 ℃ to form a filament, then putting the filament into boiling water for boiling for 20-25 minutes, taking out and drying to obtain the flame-retardant fiber.

Further, the preparation method of the flame-retardant coating for the flame-retardant coating comprises the following steps: adding the acrylic polyurethane grafted emulsion, the water-based acrylic emulsion, silicon nitride, nano titanium dioxide, carboxymethyl cellulose, a titanate coupling agent, a flame-retardant filler, pentaerythritol, bentonite, a combustion inhibitor, a defoaming agent, a crosslinking agent and deionized water into a stirring tank according to the proportion, stirring for 1-2 hours at the rotating speed of 800-1000 rpm, and standing to obtain the flame-retardant coating for the flame-retardant coating.

The invention has the beneficial effects that:

according to the fabric prepared by the preparation method, the base cloth is made of the flame-retardant base cloth, the flame-retardant base cloth is formed by interweaving the specially designed flame-retardant fibers, and the combination of the polyacrylonitrile carbon fibers and the bamboo charcoal fibers in the flame-retardant fibers enables the flame-retardant fibers to have good flame-retardant performance and good air permeability at the same time.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.

The invention relates to a preparation method of a high-flame-retardant composite coating fabric, which comprises the following steps: taking flame-retardant base cloth, coating a flame-retardant coating on the surface of the flame-retardant base cloth through a finishing machine, and drying after coating to obtain a high-flame-retardant composite coating fabric; the flame-retardant base fabric is formed by interweaving yarns formed by flame-retardant fibers, and the flame-retardant fibers comprise the following components in parts by weight: polyacrylonitrile carbon fiber: 30-40 parts of bamboo charcoal fiber: 15-25 parts of methyl cellulose: 10-15 parts of chitosan: 5-10 parts of a water-soluble adhesive: 5-10 parts of stearamide: 5-10 parts of a flame retardant: 5-10 parts; the flame-retardant coating for the flame-retardant coating comprises the following components in parts by weight: acrylic polyurethane graft emulsion: 30-40 parts of water-based acrylic emulsion: 20-30 parts of silicon nitride: 5-10 parts of nano titanium dioxide: 15-20 parts of carboxymethyl cellulose: 5-10 parts of titanate coupling agent: 1-5 parts of flame-retardant filler: 5-10 parts of pentaerythritol: 10-20 parts of bentonite: 1-5 parts of a combustion inhibitor: 1-5 parts of defoaming agent: 1-5 parts of a cross-linking agent: 1-5 parts of deionized water: 80-100 parts.

Further, the flame-retardant filler is one of expanded perlite, expanded vermiculite, hollow glass beads and sepiolite.

Further, the combustion inhibitor is ammonium polyphosphate or aluminum hydroxide.

Further, the antifoaming agent is a water-based fatty amide surfactant.

Further, the cross-linking agent is end-capped acetonitrile acid ester.

Further, the flame retardant is a polyvinyl chloride flame retardant.

Further, the preparation method of the flame-retardant fiber comprises the following steps: adding polyacrylonitrile carbon fiber, bamboo charcoal fiber, methyl cellulose, chitosan, a water-soluble adhesive, stearamide and a flame retardant into a stirrer according to a ratio, stirring for 15-20 minutes at the rotating speed of 800-1000 rpm, adding the mixture into a double-screw extruder for melt extrusion, conveying a fully-melted melt into a spinning box body through a melt pipeline, extruding the melt from a jet hole of a spinning nozzle at the spinning temperature of 180-230 ℃ and the spinning speed of 1500-2000 m/min, cooling and solidifying a tow in side air at the temperature of 18-20 ℃ to form a filament, then putting the filament into boiling water for boiling for 20-25 minutes, taking out and drying to obtain the flame-retardant fiber.

Further, the preparation method of the flame-retardant coating for the flame-retardant coating comprises the following steps: adding the acrylic polyurethane grafted emulsion, the water-based acrylic emulsion, silicon nitride, nano titanium dioxide, carboxymethyl cellulose, a titanate coupling agent, a flame-retardant filler, pentaerythritol, bentonite, a combustion inhibitor, a defoaming agent, a crosslinking agent and deionized water into a stirring tank according to the proportion, stirring for 1-2 hours at the rotating speed of 800-1000 rpm, and standing to obtain the flame-retardant coating for the flame-retardant coating.

According to the preparation method of the high-flame-retardance composite coating fabric, the prepared fabric is characterized in that the base fabric is made of the flame-retardance base fabric, the flame-retardance base fabric is formed by interweaving the specially-designed flame-retardance fibers, and the combination of the polyacrylonitrile carbon fibers and the bamboo charcoal fibers in the flame-retardance fibers enables the flame-retardance fibers to have good flame retardance and good air permeability at the same time.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the present invention.