Aero seat genuine leather

Abstract

The utility model discloses aero seat genuine leather which comprises a flame-retardant leather blank layer, one side of the flame-retardant leather blank layer is coated with a bottom coating, and the outer side of the bottom coating is coated with a first flame-retardant antibacterial coating. According to the aero seat leather disclosed by the utility model, the flame-retardant leather blank layer and the flame-retardant antibacterial coating are used, so that the aero seat leather has good flame-retardant effect and antibacterial performance, and can meet the requirements of aviation interiors on the flame-retardant performance. And the flame-retardant antibacterial coating can provide a long-term antibacterial effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to an aviation seat leather, belongs to the leather technology field. BACKGROUND

[0002] Because the durable performance of the leather seat is excellent, more and more airlines select the leather material to be applied to seat coating at present. However, the aviation leather material has particularly high requirements for flame retardation, and the flame retardation performance of the leather material of the seat used is also required to be high.

[0003] In order to achieve the extremely strict flame retardation condition, the conventional flame-retardant leather adds a flame retardant agent during re-tanning, and because the chemical bond combination ability of the flame retardant agent with the collagen fiber of the leather is poor, a large amount of acrylic re-tanning agent and filling re-tanning agent is used to fix the flame retardant agent in the leather fiber during re-tanning, and thus the leather with a thickness of 1.2-1.4mm and a surface density of 950-1050g / m 2 The weight of the material directly affects the fuel cost of the aircraft.

[0004] Because the seat is often in contact with different people, and people pursue health, the seat is required to have antibacterial effect.

[0005] How to prepare an aviation seat leather with good flame retardation effect and antibacterial effect becomes a problem to be solved. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing an aviation seat leather, which provides good flame retardation and antibacterial effect by coating a layer of flame-retardant and antibacterial coating.

[0007] To solve the above technical problems, the utility model aims at realizing as follows:

[0008] The utility model relates to an aviation seat leather, which comprises a flame-retardant leather blank layer, a bottom coating layer is coated on one side of the flame-retardant leather blank layer, and a first flame-retardant and antibacterial coating layer is coated on the outer side of the bottom coating layer.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: a tear-resistant fabric layer is compounded on the side of the flame-retardant leather blank layer away from the first flame-retardant and antibacterial coating layer.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: a second flame-retardant and antibacterial coating layer is coated on the side of the tear-resistant fabric layer away from the flame-retardant leather blank layer.

[0011] On the basis of the above scheme and as a preferred scheme of the above scheme: the flame-retardant leather blank layer comprises a tanned leather blank and a flame retardant agent filled in the internal gap of the leather blank.

[0012] As a preferred scheme of the above scheme and on the basis of the above scheme: the anti-tear fabric layer is interwoven by the first yarn, the second yarn and the third yarn at an included angle of 60°; the yarns used by the first yarn, the second yarn and the third yarn 33 include flame-retardant polyester filaments or flame-retardant nylon filaments.

[0013] The aviation seat leather has good flame-retardant effect and antibacterial performance, and can meet the requirements of the aviation interior for the flame-retardant performance. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the aviation seat leather involved in example one;

[0015] Figure 2 is a structural schematic view of the aviation seat leather involved in example two;

[0016] Figure 3 is a structural schematic view of the anti-tear fabric involved in example two.

[0017] The markers in the figure are explained as follows: 1-flame-retardant leather blank; 2-bottom coating layer; 3-first flame-retardant antibacterial coating layer; 4-anti-tear fabric layer; 5-second antibacterial flame-retardant coating layer; 41-first yarn; 42-second yarn; 43-third yarn. DETAILED DESCRIPTION

[0018] The utility model is further explained in combination with the drawings and specific embodiments.

[0019] Example one

[0020] In combination Figure 1 , the embodiment is explained in detail. The aviation seat leather involved in the embodiment includes a flame-retardant leather blank 1, one side of the flame-retardant leather blank 1 is coated with a bottom coating layer 2, and the outer side of the bottom coating layer is coated with a first flame-retardant antibacterial coating layer 3. The flame-retardant leather blank 1 includes a tanned leather blank and a flame retardant filled in the internal gap of the leather blank.

[0021] The preparation of the aviation seat leather includes soaking, liming / unhairing, fleshing / skiving, glueing, softening / pickling, tanning, retanning, fatliquoring, dyeing, water squeezing, vacuuming, hanging and airing, drying, softening, shocking, buffing, lining, pre-bottom coating, bottom coating, hanging and airing, embossing, face layer spraying, top light spraying, hanging and airing, and finished product inspection.

[0022] The blue-white skin is added with 1%, 2%, 0.5%, 0.5% of the weight of the blue-white skin respectively in the tanning, re-tanning, fat-liquoring and dyeing processes. The flame retardant is immersed into the gap of the leather to form a flame retardant skin layer 1. The flame retardant used is the flame retardant FLACAVON SBF.

[0023] A base coat 2 is coated on the surface of the flame retardant skin layer 1. The base coat 2 used is a flame retardant polyurethane resin, and when the base coat 2 is coated, the resin also penetrates into the gap of the flame retardant skin layer 1, strengthening the bonding strength of the flame retardant skin layer 1 and the base coat 2. The coating amount of the base coat 2 is 15 grams per square meter. The surface of the base coat 2 has an embossed pattern.

[0024] A first flame retardant antibacterial coating 3 is coated on the outside of the base coat 2. The first flame retardant antibacterial coating 3 is a flame retardant antibacterial polyurethane coating, which can provide good flame retardant effect and good antibacterial effect, and the use of polyurethane can also improve its wear resistance. The coating amount of the first flame retardant antibacterial coating 3 is 30 grams per square meter.

[0025] The thickness of the aviation seat leather involved in the embodiment is 1.2-1.4mm, and the areal density is 800-900g / m 2 The test results are as follows:

[0026]

[0027] The aviation seat leather involved in the embodiment is tested for flame retardant performance. The test results are as follows:

[0028]

[0029] The first flame retardant antibacterial coating 3 used on the outermost side includes 90% polyurethane resin, 5% flame retardant and 5% antibacterial agent by weight, the flame retardant is the flame retardant FLACAVON SBF, and the antibacterial agent is the antibacterial agent 342-CF. The leather involved in the embodiment has antibacterial performance, meeting the standards of GB / T20944.3-2008 and QB / T4341-2012.

[0030] According to the standard "GB / T20944.3-2008 Evaluation of Antibacterial Performance of Textiles Part 3: Oscillation Method", high-pressure steam sterilization, 0.03mol / L phosphate buffer as working solution, contact time is 18 hours, test sample 0.75 grams,

[0031] Test strains: Staphylococcus aureus ATCC 6538; Escherichia coli 8099; White bead-containing bacteria ATCC10231; test results are as follows:

[0032]

[0033]

[0034] According to the standard "QB / T 4341-2012 Antibacterial polyurethane synthetic leather - antibacterial performance test method and antibacterial effect (Appendix A antibacterial performance test paste film method)", the sample is sterilized by 70% ethanol before testing, and washed with sterile water; eluent: 0.80% physiological saline; culture time: 24h; test sample size: 50mmx50mm, inoculum 0.2mL; test bacteria: Escherichia coli 8099; Staphylococcus aureus ATCC 6538; Klebsiella pneumoniae ATCC 4352. The test results are as follows:

[0035]

[0036] Example two

[0037] In combination Figure 2 And Figure 3 , the present embodiment is described in detail. The aviation seat leather involved in the present embodiment is different from that of example one in that the side of the flame-retardant skin layer 1 away from the first flame-retardant and antibacterial coating 3 is compounded with a tear-resistant fabric layer 4 through a flame-retardant hot melt adhesive mesh film. The side of the tear-resistant fabric layer 4 away from the flame-retardant skin layer 1 is coated with a second flame-retardant and antibacterial coating 5.

[0038] Further, the tear-resistant fabric layer 4 is interwoven with a 60° angle by the first yarn 41, the second yarn 42 and the third yarn 43; the yarns used by the first yarn 41, the second yarn 42 and the third yarn 43 include flame-retardant polyester filaments or flame-retardant nylon filaments. In the present embodiment, flame-retardant nylon filaments are selected.

[0039] And in order to further reduce the movement of the yarns when tearing, the flame-retardant nylon filaments are twisted with hot melt filaments. The specific hot melt filaments are skin-core structure TPU monofilaments. The skin-core structure TPU monofilaments include a core layer and a skin layer, the melting point of the skin layer is 140℃, and the melting point of the core layer is 180℃.

[0040] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope determined by the claims.

Claims

1. A genuine leather for aviation seats, characterized in that: The invention comprises a flame retardant skin germ layer (1), one side of the flame retardant skin germ layer (1) is coated with a primer layer (2), and the outer side of the primer layer is coated with a first flame retardant antibacterial coating layer (3).

2. The aircraft seat genuine leather according to claim 1, characterized in that: The side of the flame-retardant skin embryo layer (1) away from the first flame-retardant antibacterial coating (3) is compounded with a tear-resistant fabric layer (4).

3. The aircraft seat genuine leather according to claim 2, characterized in that: The side of the tear-resistant fabric layer (4) away from the flame-retardant cortical layer (1) is coated with a second flame-retardant antibacterial coating (5).

4. The aircraft seat genuine leather according to claim 1, characterized in that: The flame retardant leather embryo layer (1) comprises a tanned genuine leather embryo and a flame retardant filling the inner space of the genuine leather embryo.

5. The aircraft seat genuine leather according to claim 2, characterized in that: The tear-resistant fabric layer (4) is formed by interweaving a first yarn (41), a second yarn (42) and a third yarn (43) at an angle of 60 degrees; the yarns used in the first yarn (41), the second yarn (42) and the third yarn (43) include flame-retardant polyester filaments or flame-retardant nylon filaments.

Images