CN114670528A - High-wear-resistance PU artificial leather and preparation process thereof - Google Patents

High-wear-resistance PU artificial leather and preparation process thereof Download PDF

Info

Publication number
CN114670528A
CN114670528A CN202210421064.3A CN202210421064A CN114670528A CN 114670528 A CN114670528 A CN 114670528A CN 202210421064 A CN202210421064 A CN 202210421064A CN 114670528 A CN114670528 A CN 114670528A
Authority
CN
China
Prior art keywords
layer
base cloth
artificial leather
leather
bonding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210421064.3A
Other languages
Chinese (zh)
Inventor
仰雪林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Chengyuan Leather Technology Co ltd
Original Assignee
Dongguan Chengyuan Leather Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Chengyuan Leather Technology Co ltd filed Critical Dongguan Chengyuan Leather Technology Co ltd
Priority to CN202210421064.3A priority Critical patent/CN114670528A/en
Publication of CN114670528A publication Critical patent/CN114670528A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/02—Coating on the layer surface on fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0261—Polyamide fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/06—Vegetal fibres
    • B32B2262/062—Cellulose fibres, e.g. cotton
    • B32B2262/065—Lignocellulosic fibres, e.g. jute, sisal, hemp, flax, bamboo
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/554—Wear resistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides high-wear-resistance PU artificial leather and a preparation process thereof, and relates to the technical field of PU artificial leather processing. The high-wear-resistance PU artificial leather comprises a base cloth layer, wherein the base cloth layer is one of non-woven fabric or cotton linen, a nylon net layer is laid on the top of the base cloth layer, the nylon net layer is formed by weaving nylon materials, and the nylon net layer is in a rectangular net structure; the tops of the base cloth layer and the nylon mesh layer are coated with a PU leather layer; the PU leather layer is formed by polyurethane through high-temperature spray coating; a first bonding layer is coated on the bottom of the base cloth layer in a rolling mode, and a heat insulation layer is bonded to the bottom of the first bonding layer; the bottom of the heat-insulating layer is coated with a second bonding layer in a rolling mode, and an inner flannelette layer is bonded to the bottom of the second bonding layer. Through designing simple combined type PU synthetic leather, not only improved the wearability of PU synthetic leather greatly, also strengthened the compliance and the warmth retention property of PU synthetic leather simultaneously, when using as dress material, the travelling comfort is better.

Description

High-wear-resistance PU artificial leather and preparation process thereof
Technical Field
The invention relates to the technical field of PU artificial leather processing, in particular to high-wear-resistance PU artificial leather and a preparation process thereof.
Background
PU, chemical chinese name polyurethane. The PU artificial leather is a skin of polyurethane components. The natural leather is widely applied to the decoration of bags, clothes, shoes, vehicles and furniture, is increasingly determined by the market, has wide application range, large quantity and multiple varieties, and cannot be met by the traditional natural leather. The quality of the PU artificial leather is good, and the good PU artificial leather is even more expensive than genuine leather. The cloth is made of napped cloth as base and polyurethane solution as paint. And (3) impregnating the napped cloth with a polyurethane solution, coating, solidifying by a water bath to obtain a microporous layer, and grinding the microporous layer to obtain the polyurethane suede leather. The artificial leather has light and soft texture, wear resistance, heat preservation and hand feeling which are not influenced by changes of cold and warm, and is suitable for manufacturing clothes, higher-grade bags, bags and decorative articles.
The PU synthetic leather is a very extensive artificial leather of application, all have the application in many decoration fields, according to the difference of actual demand, the PU synthetic leather also has multiple different kind, the PU synthetic leather that has multiple different grade type on the existing market, but the structure and the processing technology of present most of PU synthetic leathers are too simple, whole wearability is relatively poor, after long-time use, its extexine produces the fracture easily and drops in it, and its holistic compliance is relatively poor with the warmth retention, when using as dress material, the travelling comfort is relatively poor.
Therefore, we developed a new high wear-resistant PU artificial leather and a preparation process thereof.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides high-wear-resistance PU artificial leather and a preparation process thereof, and solves the problems that most of the existing PU artificial leathers are too simple in structure and processing process, poor in integral wear resistance, easy to crack and fall off on the inner and outer surface layers after long-time use, poor in integral softness and heat retention property and poor in comfort when used as clothing materials.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the high-wear-resistance PU artificial leather comprises a base cloth layer, wherein a nylon mesh layer is laid on the top of the base cloth layer, and a PU leather layer is sprayed on the tops of the base cloth layer and the nylon mesh layer;
a first bonding layer is coated on the bottom of the base cloth layer in a rolling mode, and a heat insulation layer is bonded to the bottom of the first bonding layer;
the bottom of the heat-insulating layer is coated with a second bonding layer in a rolling mode, and an inner flannelette layer is bonded to the bottom of the second bonding layer.
Preferably, the base cloth layer is one of non-woven fabric or cotton linen.
Preferably, the nylon net layer is formed by weaving nylon materials, and the nylon net layer is in a rectangular net structure.
Through above-mentioned technical scheme, weave by the nylon material and form the bulk strength that rectangle network structure nylon stratum reticulare not only can strengthen PU leather layer, also can prevent simultaneously that PU leather layer from taking place the fracture and coming off to the whole wearability of PU synthetic leather has further been promoted.
Preferably, the PU leather layer is formed by polyurethane high-temperature spray coating.
Through the technical scheme, the PU leather layer formed by the polyurethane high-temperature spray coating not only ensures the spray coating quality of the polyurethane material, but also can play a role in stably bonding and fixing the base cloth layer and the nylon net.
Preferably, the heat preservation layer is made of cotton cloth materials.
Through above-mentioned technical scheme, the heat preservation made by the cotton material has better heat preservation effect to the whole heat preservation performance of grinding the PU synthetic leather has further been strengthened.
Preferably, the first adhesive layer and the second adhesive layer are formed by roll coating of adhesive glue.
Through the technical scheme, the bonding adhesive is one of all-purpose adhesive, polyolefin composite adhesive, water-based non-setting adhesive, box pasting adhesive or water-based laminating adhesive, and the first bonding layer and the second bonding layer can improve the bonding quality of the heat-insulating layer and the inner flannelette layer.
A preparation process of high-wear-resistance PU artificial leather comprises the following specific steps:
s1, preparing materials at an initial stage, namely preparing a base cloth layer, a nylon net, PU glue, bonding glue, a heat-insulating layer and an inner flannelette layer;
s2, paving the nylon net on the surface of the base cloth layer flatly, and enabling the nylon net to be tightly attached to the base cloth layer for positioning;
s3, heating and melting the PU rubber, and spraying the PU rubber on the base cloth layer and the nylon net surface layer by using spraying equipment;
s4, performing auxiliary refrigeration by using natural cooling or cooling equipment, cooling the artificial leather to enable the PU rubber to form a composite PU leather layer, and meanwhile, enabling the base cloth layer, the nylon net and the PU leather layer to form an integral structure;
s5, rolling and coating adhesive glue on the inner surface of the base cloth layer to form a first adhesive layer;
s6, adhering and fixing the heat-insulating layer on the surface of the first adhesive layer;
s7, rolling and coating adhesive glue on the inner surface of the heat preservation layer to form a second adhesive layer;
s8, adhering and fixing the inner flannelette layer on the surface of the second adhesive layer to form complete artificial leather;
s9, rolling the artificial leather by adopting a sectional type rolling machine to enable the base cloth layer, the nylon net layer, the PU leather layer, the first bonding layer, the heat insulation layer, the second bonding layer and the inner flannelette layer to be connected more tightly and form complete artificial leather;
s10, carrying out surface treatment, embossing, cooling, slitting and rolling on the artificial leather.
Preferably, after the artificial leather is rolled by using the sectional type roller press in S9, low-temperature drying is performed according to actual needs, so as to accelerate the consolidation speed of the first adhesive layer and the second adhesive layer.
(III) advantageous effects
The invention provides high-wear-resistance PU artificial leather and a preparation process thereof. The method has the following beneficial effects:
1. this high wear-resisting PU synthetic leather and preparation technology thereof through designing simple combined type PU synthetic leather, has not only improved the wearability of PU synthetic leather greatly, has also strengthened the compliance and the warmth retention property of PU synthetic leather simultaneously, and when using as dress material, the travelling comfort is better.
2. This high wear-resisting PU synthetic leather and preparation technology thereof through compound nylon stratum reticulare in the PU synthetic leather, weaves the bulk strength that forms rectangle network structure nylon stratum reticulare not only can strengthen the PU synthetic leather by the nylon materials, also can prevent that PU leather layer from taking place the fracture simultaneously and droing to the whole wearability of PU synthetic leather has further been promoted.
Drawings
FIG. 1 is a schematic structural view of PU artificial leather of the present invention;
FIG. 2 is a schematic structural diagram of a nylon mesh layer of the present invention;
FIG. 3 is a process flow diagram of a first embodiment of the present invention;
FIG. 4 is a process flow diagram of a second embodiment of the present invention.
Wherein, 1, a base cloth layer; 2. a nylon mesh layer; 3. a PU leather layer; 4. a first adhesive layer; 5. a heat-insulating layer; 6. a second adhesive layer; 7. an inner flannelette layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-2, an embodiment of the present invention provides a high wear-resistant PU artificial leather, including a base fabric layer 1, the base fabric layer 1 is one of non-woven fabric or cotton linen, a nylon mesh layer 2 is laid on the top of the base fabric layer 1, the nylon mesh layer 2 is woven from a nylon material, and the nylon mesh layer 2 is in a rectangular mesh structure, the nylon mesh layer 2 in the rectangular mesh structure woven from the nylon material can not only enhance the overall strength of the PU leather layer 3, but also prevent the PU leather layer 3 from cracking and falling off, thereby further improving the overall wear resistance of the PU artificial leather, and the PU leather layer 3 is coated on the top of the base fabric layer 1 and the nylon mesh layer 2; the PU leather layer 3 is formed by spraying polyurethane at high temperature, and the PU leather layer 3 formed by spraying the polyurethane at high temperature not only ensures the spraying quality of the polyurethane material, but also can play a role in stably bonding and fixing the base cloth layer 1 and the nylon net 2;
the bottom of the base cloth layer 1 is coated with the first bonding layer 4 in a rolling mode, the bottom of the first bonding layer 4 is bonded with the heat preservation layer 5, the heat preservation layer 5 is made of cotton cloth materials, and the heat preservation layer 5 made of the cotton cloth materials has a good heat preservation effect, so that the overall heat preservation performance of the ground PU artificial leather is further enhanced;
a second bonding layer 6 is coated on the bottom of the heat-insulating layer 5 in a rolling way, and an inner flannelette layer 7 is bonded at the bottom of the second bonding layer 6; the first bonding layer 4 and the second bonding layer 6 are formed by roll coating of bonding glue, the bonding glue is one of all-purpose glue, polyolefin composite glue, water-based non-setting adhesive, box pasting glue or water-based laminating glue, and the first bonding layer 4 and the second bonding layer 6 can improve the bonding quality of the heat-insulating layer 5 and the inner flannelette layer 7.
As shown in fig. 3, a process for preparing high wear-resistant PU artificial leather comprises the following specific steps:
s101, preparing materials at an initial stage, namely preparing a base cloth layer 1, a nylon net 2, PU glue, bonding glue, a heat insulation layer 5 and an inner flannelette layer 7;
s102, paving the nylon net 2 on the surface of the base cloth layer 1, and enabling the nylon net 2 to be tightly attached to the base cloth layer 1 for positioning;
s103, heating and melting the PU rubber, and spraying the PU rubber on the surface layers of the base cloth layer 1 and the nylon net 2 by using spraying equipment;
s104, performing auxiliary refrigeration by using natural cooling or cooling equipment, cooling the artificial leather to enable PU glue to form a composite PU leather layer 3, and meanwhile, enabling the base cloth layer 1, the nylon net 2 and the PU leather layer 3 to form an integral structure;
s105, rolling and coating adhesive glue on the inner surface of the base cloth layer 1 to form a first adhesive layer 4;
s106, adhering and fixing the heat-insulating layer 5 on the surface of the first adhesive layer 4;
s107, rolling and coating adhesive glue on the inner surface of the heat preservation layer 5 to form a second adhesive layer 6;
s108, adhering and fixing the inner flannelette layer 7 on the surface of the second adhesive layer 6 to form complete artificial leather;
s109, rolling the artificial leather by using a sectional type rolling machine to enable the base cloth layer 1, the nylon net layer 2, the PU leather layer 3, the first bonding layer 4, the heat insulation layer 5, the second bonding layer 6 and the inner flannelette layer 7 to be connected more tightly, and forming complete artificial leather;
s110, carrying out surface treatment, embossing, cooling, slitting and rolling on the artificial leather.
Further, after the artificial leather is rolled by the sectional type roller press in the step S9, low-temperature drying is performed according to actual needs, so that the consolidation speed of the first adhesive layer 4 and the second adhesive layer 6 is accelerated.
Example two:
as shown in fig. 4, the present embodiment proposes another processing technique based on the first embodiment, and the specific processing steps are as follows:
s201, preparing materials at an initial stage, namely preparing a base cloth layer 1, a nylon net 2, PU glue, bonding glue, a heat insulation layer 5 and an inner flannelette layer 7;
s202, paving the nylon net 2 on the surface of the base cloth layer 1, and enabling the nylon net 2 to be tightly attached to the base cloth layer 1 for positioning;
s203, heating and melting the PU rubber, and spraying the PU rubber on the surface layers of the base cloth layer 1 and the nylon net 2 by using spraying equipment;
s204, performing auxiliary refrigeration by using natural cooling or cooling equipment, cooling the artificial leather to enable the PU glue to form a composite PU leather layer 3, and meanwhile, enabling the base cloth layer 1, the nylon net 2 and the PU leather layer 3 to form an integral structure;
s205, rolling and coating adhesive glue on the inner surface of the base cloth layer 1 to form a first adhesive layer 4;
s206, adhering and fixing the insulating layer 5 on the surface of the first adhesive layer 4;
s207, rolling the artificial leather for the first time by using a roller press to ensure that the heat-insulating layer 5 is stably bonded on the inner surface of the base cloth layer 1;
s208, rolling and coating adhesive glue on the inner surface of the heat preservation layer 5 to form a second adhesive layer 6;
s209, adhering and fixing the inner flannelette layer 7 on the surface of the second adhesive layer 6 to form complete artificial leather;
s210, performing secondary rolling on the artificial leather by using a rolling machine to enable the base cloth layer 1, the nylon net layer 2, the PU leather layer 3, the first bonding layer 4, the heat insulation layer 5, the second bonding layer 6 and the inner flannelette layer 7 to be connected more tightly and form complete artificial leather;
s211, carrying out surface treatment, embossing, cooling, slitting and winding on the artificial leather.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a high wear-resisting PU synthetic leather, includes base cloth layer (1), its characterized in that: a nylon net layer (2) is laid on the top of the base cloth layer (1), and a PU leather layer (3) is sprayed on the tops of the base cloth layer (1) and the nylon net layer (2);
a first bonding layer (4) is coated on the bottom of the base fabric layer (1) in a rolling mode, and a heat insulation layer (5) is bonded to the bottom of the first bonding layer (4);
the bottom of the heat-insulating layer (5) is coated with a second bonding layer (6) in a rolling mode, and an inner flannelette layer (7) is bonded to the bottom of the second bonding layer (6).
2. The high wear-resistant PU artificial leather according to claim 1, wherein: the base cloth layer (1) is one of non-woven fabrics or cotton linen.
3. The high wear-resistant PU artificial leather according to claim 1, wherein: the nylon net layer (2) is formed by weaving nylon materials, and the nylon net layer (2) is of a rectangular net structure.
4. The high wear-resistant PU artificial leather according to claim 1, wherein: the PU leather layer (3) is formed by polyurethane through high-temperature spray coating.
5. The high wear-resistant PU artificial leather according to claim 1, wherein: the heat-insulating layer (5) is made of cotton cloth material.
6. The high wear-resistant PU artificial leather according to claim 1, wherein: the first bonding layer (4) and the second bonding layer (6) are formed by roll coating of bonding glue, and the bonding glue is one of universal glue, polyolefin composite glue, water-based non-setting adhesive, box pasting glue or water-based laminating glue.
7. The process for preparing high abrasion-resistant PU artificial leather according to any one of claims 1 to 6, comprising the following steps:
s1, preparing materials at an initial stage, namely preparing a base cloth layer (1), a nylon net (2), PU glue, bonding glue, a heat-insulating layer (5) and an inner flannelette layer (7);
s2, paving the nylon net (2) on the surface of the base cloth layer (1) in a flatwise manner, and enabling the nylon net (2) to be tightly attached to the base cloth layer (1) for positioning;
s3, heating and melting the PU glue stock, and spraying the PU glue stock on the surface layers of the base cloth layer (1) and the nylon net (2) by using spraying equipment;
s4, performing auxiliary refrigeration by using natural cooling or cooling equipment, cooling the artificial leather to enable the PU rubber to form a composite PU leather layer (3), and meanwhile, enabling the base cloth layer (1), the nylon net (2) and the PU leather layer (3) to form an integral structure;
s5, coating adhesive glue on the inner surface of the base cloth layer (1) in a rolling manner to form a first adhesive layer (4);
s6, adhering and fixing the heat-insulating layer (5) on the surface of the first adhesive layer (4);
s7, rolling and coating adhesive glue on the inner surface of the heat preservation layer (5) to form a second adhesive layer (6);
s8, adhering and fixing the inner flannelette layer (7) on the surface of the second adhesive layer (6) to form complete artificial leather;
s9, rolling the artificial leather by adopting a sectional type rolling machine to enable the base cloth layer (1), the nylon net layer (2), the PU leather layer (3), the first bonding layer (4), the heat insulation layer (5), the second bonding layer (6) and the inner flannelette layer (7) to be connected more tightly and form complete artificial leather;
s10, carrying out surface treatment, embossing, cooling, slitting and rolling on the artificial leather.
8. The process of preparing high abrasion-resistant PU artificial leather according to claim 7, wherein: and in the S9, after the artificial leather is rolled by adopting the sectional type roller press, low-temperature drying is carried out according to actual needs, and the consolidation speed of the first bonding layer (4) and the second bonding layer (6) is accelerated.
CN202210421064.3A 2022-04-21 2022-04-21 High-wear-resistance PU artificial leather and preparation process thereof Pending CN114670528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210421064.3A CN114670528A (en) 2022-04-21 2022-04-21 High-wear-resistance PU artificial leather and preparation process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210421064.3A CN114670528A (en) 2022-04-21 2022-04-21 High-wear-resistance PU artificial leather and preparation process thereof

Publications (1)

Publication Number Publication Date
CN114670528A true CN114670528A (en) 2022-06-28

Family

ID=82077980

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210421064.3A Pending CN114670528A (en) 2022-04-21 2022-04-21 High-wear-resistance PU artificial leather and preparation process thereof

Country Status (1)

Country Link
CN (1) CN114670528A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110254003A (en) * 2019-06-04 2019-09-20 浙江锦尚合成革有限公司 A kind of formula and manufacturing method of the anti-corrosion-resistant high-strength synthetic leather of folding
CN110744907A (en) * 2019-10-17 2020-02-04 浙江豪丰合成革有限公司 High-wear-resistance PU artificial leather and preparation process thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110254003A (en) * 2019-06-04 2019-09-20 浙江锦尚合成革有限公司 A kind of formula and manufacturing method of the anti-corrosion-resistant high-strength synthetic leather of folding
CN110744907A (en) * 2019-10-17 2020-02-04 浙江豪丰合成革有限公司 High-wear-resistance PU artificial leather and preparation process thereof

Similar Documents

Publication Publication Date Title
US3251727A (en) Laminated breathable textile product and method of manufacturing same
US20100092719A1 (en) Flocked transfer and article of manufacture including the application of the transfer by thermoplastic polymer film
CN107881798B (en) Waterborne polyurethane synthetic leather and preparation method thereof
CN103382759A (en) Seamless embroidery wall cloth and manufacturing method thereof
CN109624422A (en) A kind of TPU high/low temperature film composite webs and preparation method thereof
CN110395023A (en) A kind of production technology of the gold stamping sofa fabric of artificial leather
CN104708880A (en) Waterproof and moisture permeable fabric, and processing method and use thereof
CN114670528A (en) High-wear-resistance PU artificial leather and preparation process thereof
CN105780520A (en) Process for preparing light-retaining and light-emitting polyamide-polyester composite shell fabric
CN109334150A (en) A kind of stamp electrostatic spinning material and its digital transfering printing process
CN102493214A (en) Full grain microfiber and manufacturing method
CN105386330B (en) The manufacture method of seven color reflective leather
CN105113270B (en) Wrinkle resistant anti-soil superfiber leather and its manufacture method
CN102409502B (en) Method for preparing leather-like fabric by adopting hot adhesion sheath-core composite fibers
CN108914620A (en) A kind of football environmentally friendly super fiber leather and preparation method thereof
CN205205554U (en) PVC microfiber leather for automotive interior
CN108422727A (en) A kind of production method that wool top combines fabric with silk
CN113043705A (en) Graphene conductive fabric and garment made of same
CN107512066A (en) A kind of production method and Composite lint of the two-sided Composite lint of polar fleece and Shu Mianrong
WO2001007174A1 (en) Textile composition
CN109910382B (en) Production process of lace needle-punched composite fabric
CN212505582U (en) Fur and leather integrated composite material and real fur and leather integrated composite material
CN110014712A (en) A kind of decoration kilim carpet and its production technology
CN110605893A (en) Environment-friendly 3D four-layer glued air warm-keeping channel fabric and processing method thereof
CN105105387B (en) Moisture absorption ultra-fine fiber leather and manufacturing method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination