Novel sea-island fiber synthetic leather base cloth and production technology thereof
A sea-island fiber and synthetic leather technology, which is applied in the field of new sea-island fiber synthetic leather base fabric and its production process, can solve problems such as composite fiber pollution, achieve high peeling strength, improve compactness, and reduce labor intensity.
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Embodiment 1
[0060] In this embodiment, a new type of sea-island fiber synthetic leather base cloth is composed of water-soluble sea-island fiber through acupuncture to form a three-dimensional network structure, and the sea-island fiber needle-punched cloth layer is made of water-soluble PVA as the sea phase. Components, PA material is made of sea-island fibers composed of island phase components by laying nets and needle punching. The island phase components of the sea-island fibers account for 60% of the fiber cross-sectional area, and the sea-island components account for 40% of the fiber cross-sectional area. The fineness of the fiber is 1.6-14dtex, the breaking strength is 3-6cN / dtex, the elongation at break is 7-10%, the single fiber fineness of the island component is below 0.8dtex, and the PVA is water-soluble PVA masterbatch. The PVA masterbatch is formed by fusing raw materials in the following proportions by weight: 50 parts of polyvinyl alcohol; 15 parts of polyalcohol or salt ...
Embodiment 2
[0077] The same part of this embodiment and embodiment 1 will not be repeated, and its difference is:
[0078] A new sea-island fiber synthetic leather base cloth, which is composed of water-soluble sea-island fibers and forms a three-dimensional network structure through acupuncture. The sea-island fiber needle-punched cloth layer is made of water-soluble PVA as the sea phase component. The PA material is made of sea-island fibers of the island phase component. The sea-island fiber is made by laying nets and needle punching. The island phase component of the sea-island fiber accounts for 70% of the cross-sectional area of the fiber, and the sea component accounts for 30% of the cross-sectional area of the fiber. The fineness of the sea-island fiber is 1.6-14dtex, and the breaking strength is 3 ~6cN / dtex, the elongation at break is 7~10%, the single fiber fineness of the island component is below 0.8dtex, the PVA is water-soluble PVA masterbatch, and the water-soluble PVA ma...
Embodiment 3
[0095] The same part of this embodiment and embodiment 1, 2 will not be repeated, and its difference is:
[0096] A new type of sea-island fiber synthetic leather base cloth, which is composed of water-soluble sea-island fibers and forms a three-dimensional network structure through needle punching. The sea-island fiber needle-punched cloth layer is composed of water-soluble PVA as the sea phase component. , PA material is made of sea-island fibers of island phase components. The sea-island fiber is made by laying net and needling. The island phase component of the sea-island fiber accounts for 85% of the cross-sectional area of the fiber, and the sea component accounts for 15% of the cross-sectional area of the fiber. The fineness of the sea-island fiber is 1.6-14dtex, and the breaking strength is 3-6cN / dtex, the elongation at break is 7-10%, the single fiber fineness of the island component is below 0.8dtex, the PVA is a water-soluble PVA masterbatch, and the water-solub...
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