CN-224227537-U - Fire-retardant bio-based waterborne solvent-free sofa house leather

Abstract

The utility model relates to a flame-retardant biological-based aqueous solvent-free sofa household leather which has relatively better flame-retardant effect and wear-resistant effect, better smoke-proof effect, better insulating effect and good service life, comprises a base cloth layer, the base cloth layer is formed by combining microfiber cloth and dermal fibers, a solvent-free flame-retardant polyurethane coating is arranged on the upper end face of the base cloth layer, a high-solid flame-retardant coating is arranged on the upper end face of the solvent-free flame-retardant polyurethane coating, a wear-resistant flame-retardant layer is arranged on the upper end face of the high-solid flame-retardant coating, and a scratch-resistant flame-retardant organic silicon layer is arranged on the upper end face of the wear-resistant flame-retardant layer. The flame-retardant bio-based water-based solvent-free sofa household leather has the advantages that the flame-retardant effect and the wear-resistant effect are relatively better, the smoke-proof effect is better, and the flame-retardant bio-based water-based solvent-free sofa household leather has the better insulation effect and the service life.

Inventors

• SONG YUANZHOU

Assignees

• 恒业时代(浙江)新材料科技有限公司

Dates

Publication Date

20260512

Application Date

20241227

Claims (7)

1. 1. The flame-retardant bio-based waterborne solvent-free sofa household leather comprises a base cloth layer (1), wherein the base cloth layer (1) is formed by combining microfiber cloth (11) and leather fibers (12), the flame-retardant waterborne solvent-free sofa household leather is characterized in that a solvent-free flame-retardant polyurethane coating (2) is arranged on the upper end face of the base cloth layer (1), a high-solid flame-retardant coating (3) is arranged on the upper end face of the solvent-free flame-retardant polyurethane coating (2), a wear-resistant flame-retardant layer (4) is arranged on the upper end face of the high-solid flame-retardant coating (3), a scratch-resistant flame-retardant organic silicon layer (5) is arranged on the upper end face of the wear-resistant flame-retardant layer (4), the thickness of the solvent-free flame-retardant polyurethane coating (2) is 0.20-0.25 mm, the thickness of the high-solid flame-retardant coating (3) is 0.08-0.12 mm, and the thickness of the scratch-resistant flame-retardant organic silicon layer (5) is 0.05-0.08 mm.
2. 2. The flame retardant bio-based water-based solvent-free sofa household leather as claimed in claim 1, wherein the microfiber cloth (11) is water-based bio-based Gao Mianchao fiber cloth, and the water-based bio-based Gao Mianchao fiber cloth is formed by combining the water-based bio-based microfiber cloth (111) and the high cotton cloth (112) into a whole in a needling mode.
3. 3. The flame retardant biobased aqueous solventless sofa household leather of claim 2, wherein said dermal fiber (12) is made of two layers of cowhide.
4. 4. The flame-retardant bio-based water-based solvent-free sofa household leather as claimed in claim 2, wherein flame-retardant powder is arranged in the fiber structure gaps of the water-based bio-based microfiber cloth.
5. 5. The flame-retardant biobased aqueous solvent-free sofa household leather as claimed in claim 1, wherein the thickness of the solvent-free flame-retardant polyurethane coating (2) is 0.23mm, the thickness of the high-solid flame-retardant coating (3) is 0.10mm, the thickness of the wear-resistant flame-retardant layer (4) is 0.13mm, and the thickness of the scratch-resistant flame-retardant organic silicon layer (5) is 0.07mm.
6. 6. The flame-retardant bio-based water-based solvent-free sofa household leather disclosed by claim 1 is characterized in that first compound glue is arranged between the base cloth layer (1) and the solvent-free flame-retardant polyurethane coating (2), the spraying amount of the first compound glue is 175-185g/m 2 , second compound glue is arranged between the solvent-free flame-retardant polyurethane coating (2) and the high-solid flame-retardant coating (3), the spraying amount of the second compound glue is 120-140g/m 2 , third compound glue is arranged between the high-solid flame-retardant coating (3) and the wear-resistant flame-retardant layer (4), the spraying amount of the third compound glue is 120-140g/m 2 , fourth compound glue is arranged between the wear-resistant flame-retardant layer (4) and the scratch-resistant flame-retardant organic silicon layer (5), and the spraying amount of the fourth compound glue is 50-65g/m 2 .
7. 7. The flame retardant biobased water-based solvent-free sofa household leather as claimed in claim 1, wherein the fibers in the microfiber cloth (11) are adsorbed with nano silicon dioxide, and the usage amount of the nano silicon dioxide is 160-180g/m 2 .

Description

Fire-retardant bio-based waterborne solvent-free sofa house leather Technical Field The utility model belongs to the technical field of sofa leather manufacturing, and particularly relates to flame-retardant bio-based water-based solvent-free sofa household leather. Background CN 203668735U, the name of the flame-retardant and wear-resistant sofa leather, is a base cloth, a flame-retardant layer, an adhesive layer and a wear-resistant layer which are sequentially arranged from inside to outside, wherein the base cloth is a base blank of the flame-retardant leather, the thickness of the flame-retardant layer on the surface of the base cloth accounts for 50-75% of the thickness of the whole leather, the thickness of the flame-retardant layer is 0.4-0.6 mm, the flame-retardant and wear-resistant sofa leather is a flame-retardant wet polyurethane layer, and the wear-resistant layer is a dry polyurethane layer with a thickness of 20-30 microns, a compact internal structure and a smooth surface. The flame-retardant wear-resistant sofa leather has the defect that the flame-retardant effect and the wear-resistant effect of the flame-retardant wear-resistant sofa leather are relatively poor. Disclosure of utility model The design aims to avoid the defects in the background technology and design the flame-retardant bio-based water-based solvent-free sofa household leather which is relatively better in flame-retardant effect and wear-resistant effect, has a better smoke-proof effect, has a better insulating effect and is good in service life. The design scheme is that the design aims are achieved. 1. The high-strength waterproof fabric is characterized in that a solvent-free flame-retardant polyurethane coating is arranged on the upper end face of the base cloth layer, a high-solid flame-retardant coating is arranged on the upper end face of the solvent-free flame-retardant polyurethane coating, a wear-resistant flame-retardant layer is arranged on the upper end face of the high-solid flame-retardant coating, a scratch-resistant flame-retardant organic silicon layer is arranged on the upper end face of the wear-resistant flame-retardant layer, the thickness of the solvent-free flame-retardant polyurethane coating is 0.20mm-0.25mm, the thickness of the high-solid flame-retardant coating is 0.08mm-0.12mm, the thickness of the wear-resistant flame-retardant layer is 0.10mm-0.15mm, and the thickness of the scratch-resistant flame-retardant organic silicon layer is 0.05mm-0.08 mm. The design aims at that the upper end face of the base cloth layer is provided with a solvent-free flame-retardant polyurethane coating, the upper end face of the solvent-free flame-retardant polyurethane coating is provided with a high-solid flame-retardant coating, the upper end face of the high-solid flame-retardant coating is provided with a wear-resistant flame-retardant layer, and the upper end face of the wear-resistant flame-retardant layer is provided with a scratch-resistant flame-retardant organic silicon layer; the thickness of the solvent-free flame-retardant polyurethane coating is 0.20mm-0.25mm, the thickness of the high-solid flame-retardant coating is 0.08mm-0.12mm, the thickness of the wear-resistant flame-retardant layer is 0.10mm-0.15mm, the thickness of the scratch-resistant flame-retardant organic silicon layer is 0.05mm-0.08mm, the arrangement of the scratch-resistant flame-retardant organic silicon layer with the thickness of 0.05mm-0.08mm enables the back of the flame-retardant bio-based waterborne solvent-free sofa leather to have the advantages of scratch resistance, flame retardance, smoke suppression, corrosion resistance, easy decontamination and the like, the arrangement of the flame-retardant bio-based waterborne solvent-free sofa leather with the thickness of 0.10mm-0.15mm is the wear-resistant flame-retardant layer and the thickness of 0.08mm-0.12mm is the high-solid flame-retardant coating, the flame-retardant effect and smoke resistance of the flame-retardant bio-based waterborne solvent-free sofa leather can be further improved, the wear-resistant performance of the flame-resistant bio-based waterborne solvent-free sofa leather cannot be further improved, and the flame-resistant flame-retardant waterborne solvent-free sofa leather cannot be further improved. 2. The design that the flame retardant powder is arranged in the fiber structure gaps of the water-based bio-based microfiber cloth is a second technical feature of the utility model. The purpose of the design is that the flame retardant powder is arranged in the fiber structure gaps of the water-based bio-based microfiber fabric, so that the flame retardant performance of the fiber can be improved, and the flame retardant effect of the base fabric layer is further improved. 3. The adhesive is characterized in that composite glue I is arranged between the base cloth layer and the solvent-free flame-retardant polyurethane coating, the spraying amount of the