Multi-layer composite rough wiping material

Abstract

The utility model discloses a multi-layer composite rough wiping material, which relates to the technical field of non-woven fabrics, aims to solve the problems of layering, breakage and slag falling of a rough layer, and comprises a rough layer, one surface of the rough layer is connected with a rough bonding layer, and the other surface of the rough bonding layer is connected with a third layer; the coarse layer forms coarse and fine fibers with different deniers through a melt-blowing spinning process, the coarse fibers are mutually connected and staggered, and a coarse fiber web is formed through self-bonding; the rough bonding layer is PES (Polyether Sulfonate) hot melt adhesive screen cloth; and the third layer is a spunbond layer and a wood pulp layer, or a spunbond layer and a melt-blown layer, or a spunlace layer. The fabric provided by the utility model is good in roughening effect, and has better water absorption and softness.

Description

Technical Field

[0001] The utility model relates to the technical field of non-woven fabrics, in particular to a multi-layer composite rough wiping material. Background Art

[0002] With the continuous development of the nonwovens industry, nonwovens products are gradually being widely used in various fields of people's lives, and household nonwoven wipes are one of them. As household wipes, the types of dirt they wipe are mainly liquid, grease and solid particle dirt. In real life, people mostly face a mixture of these dirt. In view of the objects being wiped and people's requirements for health and hygiene, household wipes generally have good cleaning ability, wear resistance, softness and hygiene.

[0003] There are several main types of non-woven wipes on the market. The most common one is the spunlace cloth with a viscose-polyester ratio, which has poor friction resistance and is prone to pilling; the spunbond wipe cloth has poor water absorption effect; the PP wood pulp cloth, although it has good water and oil absorption effects, has poor friction resistance and is difficult to wipe solid stains clean; there are also rough silk cloth and rough melt-blown products, which have a rough effect, but the rough layer is prone to breakage, delamination and falling off. Utility Model Content

[0004] To solve the above problem, that is, to solve the problem raised by the above background technology, the utility model proposes a multi-layer composite rough wiping material, which includes a rough layer, one side of the rough layer is connected to a rough adhesive layer, and the other side of the rough adhesive layer is connected to a third layer.

[0005] The utility model is further configured as follows: the third layer is a spunbond layer and a wood pulp layer, or a spunbond layer and a meltblown layer, or a spunlace layer.

[0006] The utility model is further configured as follows: the gram weight range of the rough layer is 15-50gsm, the rough layer comprises low melt index polypropylene, a chain scissors and an antioxidant, the melt index range of the low melt index polypropylene is 20-60g / 10min, the added amount of the chain scissors is 1-5% of the total amount, and the added amount of the antioxidant is 0.5-1% of the total amount.

[0007] The utility model is further configured as follows: the gram weight range of the rough adhesive layer is 10-40 gsm, and the rough adhesive layer is a PES hot melt adhesive mesh.

[0008] The utility model is further configured as follows: the gram weight range of the spunbond layer is 10-20 gsm.

[0009] The utility model is further configured as follows: the gram weight range of the wood pulp layer is 30-50gsm, and the gram weight range of the meltblown layer is 20-40gsm.

[0010] The utility model is further configured as follows: the gram weight range of the spunlace fabric layer is 30-50gsm, and the raw materials of the spunlace fabric layer include but are not limited to one or more blends of viscose fiber, polyester fiber, polylactic acid fiber or lyocell fiber.

[0011] The beneficial technical effects of the utility model are as follows: the utility model has good roughening effect, good water absorption and softness, and solves the problems of delamination, fracture and slag falling of the rough layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A schematic diagram of a four-layer composite rough wiping material is shown.

[0013] Figure 2 A schematic diagram of a three-layer composite rough wiping material is shown.

[0014] Reference numerals: 1. rough layer, 2. rough bonding layer, 3. spunbond layer, 4. wood pulp layer, 5. spunlace layer. DETAILED DESCRIPTION

[0015] Please refer to the attached Figure 1-2 Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0016] The utility model proposes a multi-layer composite rough wiping material, comprising a rough layer 1, one side of the rough layer 1 is connected to a rough adhesive layer 2, and the other side of the rough adhesive layer 2 is connected to a third layer. The third layer is a spunbond layer 3 and a wood pulp layer 4, or a spunbond layer 3 and a meltblown layer, or a spunlace layer 5. The multi-layer composite rough wiping material can be a three-layer structure or a four-layer structure.

[0017] The gram weight of the rough layer 1 is in the range of 15-50gsm. The rough layer 1 includes low melt index polypropylene, chain scissors and antioxidants. The coarse and fine fibers of different deniers are interlaced and overlapped with each other through the melt-blown spinning process, and the rough fiber web is formed through self-bonding. The melt index of the low melt index polypropylene is in the range of 20-60g / 10min, the amount of chain scissors added is 1-5% of the total amount, and the amount of antioxidant added is 0.5-1% of the total amount.

[0018] The gram weight of the rough adhesive layer 2 is in the range of 10-40 gsm, and the rough adhesive layer 2 is a PES hot melt adhesive mesh. The gram weight of the spunbond layer 3 is in the range of 10-20 gsm. The gram weight of the wood pulp layer 4 is in the range of 30-50 gsm, and the gram weight of the meltblown layer is in the range of 20-40 gsm. The gram weight of the spunlace layer 5 is in the range of 30-50 gsm, and the raw materials of the spunlace layer 5 include but are not limited to one or more blends of viscose fiber, polyester fiber, polylactic acid fiber or lyocell fiber.

[0019] The several-layer structure is compounded together by hot rolling, wherein the rough bonding layer 2 is melted at high temperature, so that the rough layer 1 and the material of the third layer can be bonded together, and the surface of the product has concave-convex textures, which further increases the rough friction effect.

[0020] Embodiment 1

[0021] Three-layer structure:

[0022] (1) Rough layer 1: 20 gsm, 96% low melt index polypropylene, 3.5% chain scissor, 0.5% antioxidant blended, enters the screw extruder for melting and filtration, and the melt enters the spinning assembly. The extruder temperature is 240-300°C, and the spinning assembly temperature is 240-270°C. The melt is stretched by high-temperature airflow to form coarse and fine fibers of different deniers that intersect and overlap with each other, and form a rough fiber web through self-bonding;

[0023] (2) Spunlace 5: 30 gsm, 50% viscose fiber, 50% polyester fiber;

[0024] (3) Hot rolling composite: 20 gsm rough layer 1, 15 gsm rough adhesive layer 2 and 30 gsm spunlace fabric 5 are stacked together in sequence and hot rolled at a temperature of 120° C. to form concave and convex patterns on the surface.

[0025] Embodiment 2

[0026] Four-layer structure:

[0027] (1) Rough layer 1: 20 gsm, 96% low melt index polypropylene, 3.5% chain scissor, 0.5% antioxidant blended, enters the screw extruder for melting and filtration, and the melt enters the spinning assembly. The extruder temperature is 240-300°C, and the spinning assembly temperature is 240-270°C. The melt is stretched by high-temperature airflow to form coarse and fine fibers of different deniers that intersect and overlap with each other, and form a rough fiber web through self-bonding;

[0028] (2) Spunbond layer 3 and wood pulp layer 4: 30 gsm wood pulp fiber is formed into a fiber web layer through a wet web forming process, and 10 gsm spunbond is unwound online, and the two fiber webs are consolidated into a cloth through high-pressure water spunlace;

[0029] (3) Hot rolling composite: 20 gsm rough layer 1, 15 gsm rough adhesive layer 2, 40 gsm spunbond layer 3 and wood pulp layer 4 are stacked together in sequence, spunbond is connected with PES, hot rolling temperature is 125 ° C, and concave and convex textures are formed on the surface.

[0030] Embodiment 3

[0031] Four-layer structure:

[0032] (1) Rough layer 1: 20 gsm, 96% low melt index polypropylene, 3.5% chain scissor, 0.5% antioxidant blended, enters the screw extruder for melting and filtration, and the melt enters the spinning assembly. The extruder temperature is 240-300°C, and the spinning assembly temperature is 240-270°C. The melt is stretched by high-temperature airflow to form coarse and fine fibers of different deniers that intersect and overlap with each other, and form a rough fiber web through self-bonding;

[0033] (2) Spunbond layer 3: 20 gsm PP spunbond;

[0034] (3) Meltblown layer: 20gsm meltblown;

[0035] (4) Hot rolling composite: 20 gsm rough layer 1, 15 gsm rough adhesive layer 2, 20 gsm spunbond layer 3 and 20 gsm meltblown layer are stacked together in sequence, spunbond is connected with PES, hot rolling temperature is 120 ° C, and concave and convex textures are formed on the surface.

[0036] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0037] In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0038] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0039] The term "comprise" or any other similar term is intended to cover a non-exclusive inclusion, such that a process, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, article, or apparatus / device.

[0040] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A multi-layer composite rough wiping material, comprising a rough layer (1), characterized in that: One side of the rough layer (1) is connected to a rough adhesive layer (2), and the other side of the rough adhesive layer (2) is connected to a third layer; The rough layer (1) is formed by melt-blowing spinning process, wherein thick and thin fibers of different deniers are interlaced and overlapped with each other, and a rough fiber web is formed by self-bonding; The rough adhesive layer (2) is a PES hot melt adhesive mesh; The third layer is a spunbond layer (3) and a wood pulp layer (4), or a spunbond layer (3) and a meltblown layer, or a spunlace layer (5).

2. The multi-layer composite rough wiping material according to claim 1, characterized in that: The rough layer (1) has a grammage range of 15-50 gsm.

3. The multi-layer composite rough wiping material according to claim 1, characterized in that: The rough adhesive layer (2) has a grammage range of 10-40 gsm.

4. The multi-layer composite rough wiping material according to claim 1, characterized in that: The spunbond layer (3) has a grammage range of 10-20 gsm.

5. The multi-layer composite rough wiping material according to claim 1, characterized in that: The gram weight range of the wood pulp layer (4) is 30-50 gsm, and the gram weight range of the meltblown layer is 20-40 gsm.

6. The multi-layer composite rough wiping material according to claim 1, characterized in that: The gram weight of the spunlace fabric layer (5) is in the range of 30-50 gsm.

Images