TWI692405B - Flame-retardant water proof fabric and manufacturing method thereof - Google Patents

Abstract

The prevent invention discloses a flame-retardant waterproof fabric including a base fabric and a polyamidamine layer, wherein the base fabric denier is between 70 and 200D, and the polyamidamine layer includes 100 parts by weight of polyurethane resin, 10 to 15 parts by weight of flame retardant, 0.5 to 2 parts by weight of catalyst, 2 to 5 parts by weight of crosslinking agent, and 10 to 100 parts by weight of solvent. The prevent invention further discloses a method for manufacturing a flame-retardant waterproof fabric, including: mixing a polyamidamide compound mixture, coating a polyamidamide compound mixture on one side of a base fabric by a floating knife coater to obtain a polyamidamine layer, and heating and drying the polyamidamine layer. The present invention provides a lighter and thinner flame-retardant waterproof fabric, having water pressure 5000mmH₂O and stable flame retardancy by one time coating.

Description

Flame retardant waterproof fabric and its manufacturing method

The invention relates to a fabric and a manufacturing method thereof, in particular to a flame-retardant and waterproof fabric and a manufacturing method thereof.

The processing method of the flame retardant waterproof fabric in the prior art is to use floating knife type paper processing fabric to provide specific properties of the fabric, and the floating knife type paper processing is mainly divided into subsequent layer processing and surface layer processing, therefore, two knife coating must be carried out in order to Achieve the expected flame retardant and waterproof effect.

However, in recent years, light weight has become the main demand of fabrics at present. Gu, how to improve the weight of flame retardant and waterproof fabrics through design improvements and maintain the flame retardant and waterproof ability has become an important issue to be solved by this business. one.

The technical problem to be solved by the present invention is to provide a flame-retardant waterproof fabric and a manufacturing method thereof in view of the deficiencies of the prior art.

In order to solve the above technical problems, one of the technical solutions adopted by the present invention is to provide a flame-retardant waterproof fabric, which includes: a base fabric, the base fabric Danny number is between 70 and 200D; and a A polyamide layer, which is provided on the base fabric; wherein, the polyamide layer comprises 100 parts by weight of a polyamide resin, 10 to 15 parts by weight of a flame retardant, 0.5 to 2 parts by weight of a catalyst, 2 to 5 parts by weight of crosslinking agent and 10 to 100 parts by weight of solvent.

In order to solve the above technical problems, another technical solution adopted by the present invention is to provide a method for manufacturing a flame-retardant waterproof fabric, which includes: (a) mixing a polyamido compound, the polyamido compound includes 100 parts by weight of polyamide resin, 10 to 15 parts by weight of flame retardant, 0.5 to 2 parts by weight of catalyst, 2 to 5 parts by weight of crosslinking agent, and 10 to 100 parts by weight of solvent; (b) to float A knife-type pasting machine coats the polyamide compound on one side of a base fabric to form a polyamide layer; and (c) heat drying the polyamide layer to obtain the flame-retardant waterproof fabric .

One of the beneficial effects of the present invention is that the flame-retardant and waterproof fabric provided by the present invention and the manufacturing method thereof can pass the "the base cloth Danni number is between 70 and 200D" and "polyamide layer contains "100 parts by weight of polyamide resin, 10 to 15 parts by weight of flame retardant, 0.5 to 2 parts by weight of catalyst, 2 to 5 parts by weight of crosslinking agent and 10 to 100 parts by weight of solvent" technical solution, to A lighter and thinner flame-retardant waterproof fabric is obtained, and the water-repellent effect of the water pressure of 5000mmH ₂ O can be achieved by one-pass coating, and the flame retardant stability is improved.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are for reference and explanation only, and are not intended to limit the present invention.

F: Flame retardant waterproof fabric

1: base cloth

2: Polyamide layer

FIG. 1 is a schematic diagram of a flame retardant waterproof fabric according to an embodiment of the invention.

2 is a flowchart of a method for manufacturing a flame-retardant waterproof fabric according to an embodiment of the invention.

The following are specific specific examples to illustrate the implementation of the "flame retardant waterproof fabric and its manufacturing method" disclosed by the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments. The details in this specification can also be based on different views and applications, and various modifications can be made without departing from the concept of the present invention. And change. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual sizes, and are declared in advance. The following embodiments will further describe the related technical content of the present invention, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one component from another component, or one signal from another signal. In addition, the term "or" as used herein may include any combination of any one or more of the associated listed items, depending on the actual situation.

Please refer to FIG. 1, which is a schematic diagram of the flame-retardant and waterproof fabric of the present invention. As can be seen from the above figures, the flame-retardant and waterproof fabric F of the present invention includes the base fabric 1 and the polyamide layer 2 disposed on the base fabric 1. Specifically, the Danny number of the base cloth 1 is between 70 and 200D, and the polyamide layer 2 includes 100 parts by weight of the polyamide resin, 10 to 15 parts by weight of the flame retardant, and 0.5 to 2 parts by weight. Parts of catalyst, 2 to 5 parts by weight of crosslinking agent, and 10 to 100 parts by weight of solvent.

Specifically, the Danny number of the base fabric 1 is between 70 and 200D. If the Danny number is too high, the flame retardant effect is not good. The base fabric 1 can be selected from polyester cloth, nylon cloth, cotton cloth, polyester At least one of nylon blended gauze, and the base fabric can be plain weave, horizontal weave, plaid, twill, jacquard, N/T interwoven, colored yarn interwoven, taffeta, oxford or satin . However, the types and materials of the base fabric layer 1 of the present invention are not limited thereto.

In more detail, the polyamide layer 2 has a single-layer structure. Compared with the prior art, the two-layer coating of the adhesive layer and the surface layer is different, and it only needs one-layer coating to be attached to the base fabric.

Among the components of the polyamide layer 2, the polyamide resin is a 1.5-liquid type polyamide resin, and has a hydrophobic functional group, such as a long-chain -CH ₂ -hydrophobic chain. For example, the hydrophobic functional group may be C10 to C20 hydrocarbon group, double bond-containing hydrocarbon group, aryl group, ester group, ether group, amine group or amide group. Preferably, the flame retardant includes antimony trioxide and decabromodiphenylethane, and the ratio is between 1:3, using a flame retardant (decabromodiphenylethane) within the range of the above ratio The auxiliary flame retardant (antimony trioxide) can obtain the best flame retardant effect. The catalyst can use organic series and inorganic series, the crosslinking agent can be a resin with NCO functional group, which can provide better waterproof and anti-aging characteristics.

In addition, in addition to the above components, other types of additives can also be added according to actual needs, such as: softening oil, colorants, etc. For example, the addition of colorants (such as dyes or pigments) can show the desired color to meet special purposes or increase aesthetics.

Please further refer to FIG. 2. FIG. 2 is a flowchart of a method for manufacturing a flame-retardant waterproof fabric of the present invention, which includes: step S100 mixing a polyamide compound; step S200 coating the polyamide glue with a floating knife type laminating machine It is prepared on one side of the base fabric to form a polyamide layer; in step S300, the polyamide layer is heated and dried to obtain the flame-retardant waterproof fabric of the present invention.

Specifically, in the mixed polyamide compound in step S100, the polyamide compound includes 100 parts by weight of the polyamide resin, 10 to 15 parts by weight of the flame retardant, 0.5 to 2 parts by weight of the catalyst, and 2 to 5 parts by weight of crosslinking agent and 10 to 100 parts by weight of solvent. The mixing temperature in step S100 cannot exceed the decomposition temperature of the catalyst and the crosslinking agent, preferably between 40 and 80°C, and the mixing time is between 15 and 25 minutes.

In detail, in step S100, the polyamide compound is mixed, preferably the flame retardant is first ground, and then the mixed polyamide compound is added to achieve better dispersibility.

In an embodiment of the present invention, the base fabric is a calendar-treated base fabric, and the temperature of the calendering is between 140 and 160°C, the pressure is 50 kg/m², and the speed is 25 meters/minute. The calendered base fabric can improve the flatness, which is beneficial to the flatness of the polyamide compound with the floating knife.

In step S200, as compared with the prior art, which requires two-layer coating of the adhesive layer and the surface layer, the polyamide compound of step S200 of the present invention is formed on the base fabric by a floating knife-type laminator in a one-time coating method , And the coating amount is 80 g/yard.

In step S300, the temperature of heating and drying the polyamide layer is between 80 and 150°C, and the heating time is between 30 and 120 seconds.

[Beneficial effect of embodiment]

One of the beneficial effects of the present invention is that the flame-retardant and waterproof fabric provided by the present invention and the manufacturing method thereof can pass the "the base cloth Danni number is between 70 and 200D" and "polyamide layer contains "100 parts by weight of polyamide resin, 10 to 15 parts by weight of flame retardant, 0.5 to 2 parts by weight of catalyst, 2 to 5 parts by weight of crosslinking agent and 10 to 100 parts by weight of solvent" technical solution, to A lighter and thinner flame-retardant waterproof fabric is obtained, and the water-repellent effect of the water pressure of 5000 mm H ₂ O can be achieved by one-pass coating, and the flame retardant stability is improved.

Furthermore, the prior art floating knife-type laminating machine coated with polyamide compound needs two coatings to achieve the water resistance of 5000mm H ₂ O. The flame retardant waterproof fabric of the present invention can be achieved with one knife Therefore, the omission of the two-coating adhesive layer of the prior art can reduce the weight of the flame retardant waterproof fabric by 5 to 10 grams per square, effectively reduce the cost, increase the production rate, and provide lightweight and excellent waterproof flame retardant performance.

The content disclosed above is only a preferred and feasible embodiment of the present invention, and therefore does not limit the scope of the patent application of the present invention, so any equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. Within the scope of the patent.

F: Flame retardant waterproof fabric

1: base cloth

2: Polyamide layer

Claims (10)

A flame-retardant waterproof fabric, comprising: a base fabric with a Danny number between 70 and 200D; and a polyamide layer disposed on the base fabric; wherein, the poly The amide layer contains 100 parts by weight of a polyamide resin, 10 to 15 parts by weight of a flame retardant, 0.5 to 2 parts by weight of a catalyst, 2 to 5 parts by weight of a crosslinking agent, and 10 to 100 parts by weight of a solvent. The flame-retardant and waterproof fabric according to claim 1, wherein the polyamide layer is a single-layer structure. The flame-retardant and waterproof fabric according to claim 1, wherein the polyamide resin is a 1.5-liquid type polyamide resin and has a hydrophobic functional group. The flame-retardant and waterproof fabric according to claim 1, wherein the base fabric is a calendered base fabric, and the base fabric is selected from polyester fabric, nylon fabric, cotton fabric, polyester nylon blended yarn fabric At least one of them. The flame-retardant and waterproof fabric according to claim 1, wherein the flame retardant includes antimony trioxide and decabromodiphenylethane, and the ratio thereof is 1:3. A method for manufacturing a flame-retardant and waterproof fabric, which includes: (a) mixing a polyamide compound, the polyamide compound including 100 parts by weight of a polyamide resin, 10 to 15 parts by weight of a flame retardant, 0.5 to 2 parts by weight of the catalyst, 2 to 5 parts by weight of the cross-linking agent and 10 to 100 parts by weight of the solvent; (b) apply the polyamide compound to a base cloth with a floating knife type laminator One side to form a polyamide layer; and (c) heating and drying the polyamide layer to obtain the flame retardant waterproof fabric. The method for manufacturing a flame-retardant waterproof fabric according to claim 6, wherein in the step (a), the mixing temperature is between 40 and 80°C, and the mixing time is between 15 and 25 minutes. The method for manufacturing a flame-retardant waterproof fabric according to claim 6, wherein the steps In (b), the polyamide compound is formed on the base fabric in a one-time coating method, and the coating amount is 80 g/yd. The method for manufacturing a flame-retardant waterproof fabric according to claim 6, wherein in the step (c), the heating temperature is between 80 and 150°C, and the heating time is between 30 and 120 seconds. The method for manufacturing a flame-retardant waterproof fabric according to claim 6, wherein the base fabric is a base fabric subjected to a calendering treatment, and the temperature of the calendering treatment is between 140 and 160° C. It is 50 kg/m² and the speed is 25 m/min.

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