CN212955935U

CN212955935U - Environment-friendly recyclable water-based PU microfiber leather

Info

Publication number: CN212955935U
Application number: CN202021644887.5U
Authority: CN
Inventors: 王建东; 费新伟
Original assignee: Tongxiang Hualing Silk Co ltd
Current assignee: Tongxiang Hualing Silk Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-13
Anticipated expiration: 2030-08-10

Abstract

The utility model belongs to the technical field of microfiber leather, especially be an environmental protection recoverable waterborne PU microfiber leather, including the napping cloth, the both sides face of napping cloth all is equipped with the fine hair, the fine hair protrusion in the surface of napping cloth, and the fine hair with napping cloth fixed connection, the both sides face of napping cloth is equipped with first waterborne PV layer and second waterborne PV layer respectively, first waterborne PV layer and second waterborne PV layer all with the napping cloth fixed connection, the inside packing of napping cloth has waterborne PU layer, waterborne PU layer with the napping cloth fixed connection; the environment-friendly recyclable polyester elastic yarns and polyester filament yarns are adopted, the high-density napping cloth is woven by a warp weaving process, the base material is made by water-based PU impregnation, drying and sanding, and the base material is further processed into the water-based PV by a dry process, so that the recyclable, degradable and environment-friendly water-based super-PV leather is formed, and the environment-friendly recyclable, degradable and environment-friendly super-PV leather can be widely applied to cases and decorations.

Description

Environment-friendly recyclable water-based PU microfiber leather

Technical Field

The utility model belongs to the technical field of the microfiber leather, concretely relates to recoverable waterborne PU microfiber leather of environmental protection.

Background

The microfiber leather is totally called 'superfine fiber polyurethane synthetic leather'. The microfiber leather belongs to a new high-grade leather in synthetic leather, is named from the name, and has very thin fiber filaments due to the tissue structure. Belongs to a high-grade leather newly developed and developed in synthetic leather, and has become an ideal choice for replacing natural leather due to the advantages of wear resistance, cold resistance, air permeability, aging resistance, soft texture, beautiful appearance and the like.

Superfine fiber synthetic leather is produced by crushing leftover material of first layer cowhide, adding polyamide superfine fiber and polyurethane in certain proportion to form resin, making into leather pulp, mechanical calendering to form one piece of leather blank, and coating or wet or dry coating PU film.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides an environmental protection recoverable waterborne PU microfiber leather has the characteristics of recoverable environmental protection.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a recoverable waterborne PU microfiber leather of environmental protection, includes the napping cloth, the both sides face of napping cloth all is equipped with fine hair, fine hair protrusion in the surface of napping cloth, just fine hair with napping cloth fixed connection, the both sides face of napping cloth is equipped with first waterborne PV layer and second waterborne PV layer respectively, first waterborne PV layer and second waterborne PV layer all with napping cloth fixed connection, the inside packing of napping cloth has waterborne PU layer, waterborne PU layer with napping cloth fixed connection.

Preferably, the napped fabric comprises polyester elastic yarns and polyester filament yarns, and the polyester elastic yarns and the polyester filament yarns are fixed in a mutual weaving mode.

Preferably, the polyester elastic yarns and the polyester filaments are made by warp knitting.

Preferably, the polyester elastic yarns are 75D polyester elastic yarns, and the polyester filament yarns are 75D polyester filament yarns.

Preferably, the aqueous PU layer is soaked between the polyester elastic yarns and the polyester filaments and is fixedly connected with the polyester elastic yarns and the polyester filaments.

Preferably, the number of the piles is several, one end of each pile extends into the napping cloth, and the other end of each pile extends into the first and second aqueous PV layers and is fixedly connected with the first and second aqueous PV layers.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, adopt the recoverable dacron of environmental protection to play silk and dacron filament, adopt through weaving manufacturing process, weave into the napping cloth of high density, contain greatly through waterborne PU again and contain the dress, dry process technology waterborne PV is made to the stoving, and the substrate is gone up to adopt dry process technology waterborne PV again, forms the super PV leather of the waterborne of the full environmental protection of recoverable degradable, can extensively be used for case and bag, decorates and use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

fig. 3 is a schematic diagram of a partially enlarged structure in the present invention.

In the figure: 1. napping; 11. polyester stretch yarn; 12. polyester filament yarn; 13. fluff; 2. a first aqueous PV layer; 3. a second aqueous PV layer; 4. an aqueous PU layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a recoverable waterborne PU microfiber leather of environmental protection, including napping 1, the both sides face of napping 1 all is equipped with fine hair 13, fine hair 13 protrusion in napping 1's surface, and fine hair 13 and napping 1 fixed connection, the both sides face of napping 1 is equipped with first waterborne PV layer 2 and second waterborne PV layer 3 respectively, first waterborne PV layer 2 and second waterborne PV layer 3 all with napping 1 fixed connection, the inside packing of napping 1 has waterborne PU layer 4, waterborne PU layer 4 and napping 1 fixed connection.

In the embodiment, the environment-friendly recyclable polyester elastic yarns 11 and polyester filament yarns 12 are adopted, the high-density napping cloth 1 is woven by a warp weaving process, then the base material is prepared by water-based PU impregnation, drying and sanding, and the base material is further prepared by dry process water-based PV, so that the recyclable, degradable and fully environment-friendly water-based super-PV leather is formed and can be widely used for cases and decoration.

Specifically, napping cloth 1 includes dacron stretch yarn 11 and polyester filament yarn 12, and dacron stretch yarn 11 and polyester filament yarn 12 are woven each other fixedly, adopt between dacron stretch yarn 11 and the polyester filament yarn 12 to weave the manufacturing through the warp, with recoverable dacron stretch yarn 11 of environmental protection and polyester filament yarn 12, adopt the warp to weave manufacturing process, weave into napping cloth 1 of high density.

Specifically, the polyester elastic yarn 11 is 75D polyester elastic yarn, the 75D polyester elastic yarn is formed by using polyester chips (PET) as raw materials, spinning polyester pre-oriented yarn (POY) at a high speed, and then performing drawing and false twisting, and has the characteristics of short process, high efficiency, good quality and the like, the polyester filament yarn 12 is 75D polyester filament yarn which is made of polyester, the polyester is an important variety in synthetic fibers and is a commodity name of polyester fibers in China, and the polyester filament yarn is fiber-forming high polymer, namely polyethylene terephthalate (PET), prepared by esterification or ester exchange and polycondensation reactions by using Pure Terephthalic Acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (MEG) as raw materials, and is fiber prepared by spinning and post-treatment, and the polyester filament yarn is yarn with the length of more than kilometer and is wound into a cluster.

Specifically, the aqueous PU layer 4 is soaked between the polyester elastic yarns 11 and the polyester filament yarns 12 and fixedly connected with the polyester elastic yarns 11 and the polyester filament yarns 12, and the aqueous PU glue is an anionic-based aqueous polyurethane dispersoid which is a heat-activated adhesive, can be used in the fields of shoemaking, furniture, automobiles, building industry and the like, and has the degradable characteristic.

Specifically, the number of the piles 13 is several, one end of each pile 13 extends into the napping cloth 1, the other end of each pile 13 extends into the first water-based PV layer 2 and the second water-based PV layer 3 and is fixedly connected with the first water-based PV layer 2 and the second water-based PV layer 3, and the piles 13 can increase the bonding strength of the first water-based PV layer 2, the second water-based PV layer 3 and the napping cloth 1.

The utility model discloses a theory of operation and use flow: the utility model discloses after installing, adopt recoverable polyester elastic filament 11 of environmental protection and polyester filament 12, adopt and weave the technology through weaving, weave into high density napping cloth 1, through aqueous PU soaks greatly, the stoving, the mill hair is made the substrate, adopt dry process technology waterborne PV on the substrate again, form recoverable degradable full environmental protection's aqueous super PV leather, can be widely used in case and bag, it is decorative, wherein polyester elastic filament 11 is 75D polyester elastic filament, 75D polyester elastic filament uses polyester section (PET) as raw materials, adopt high-speed spinning polyester pre-oriented yarn (POY), again through draft false twist processing and form, have the flow short, efficient, characteristics such as good quality, polyester filament 12 is 75D polyester filament, make the filament with the dacron, the dacron is an important variety among the synthetic fiber, be the trade name of national polyester fiber, it is with refined terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (MEG) as raw materials, the fiber-forming high polymer, polyethylene terephthalate (PET), is prepared through esterification or ester exchange and polycondensation, and is made into fiber through spinning and post-treatment, so-called polyester filament yarn, which is yarn with length over kilometer and is wound into mass.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The environment-friendly recyclable water-based PU microfiber leather is characterized in that: including drawing coarse cotton cloth (1), the both sides face of drawing coarse cotton cloth (1) all is equipped with fine hair (13), fine hair (13) protrusion in draw the surface of coarse cotton cloth (1), just fine hair (13) with draw coarse cotton cloth (1) fixed connection, the both sides face of drawing coarse cotton cloth (1) is equipped with first waterborne PV layer (2) and second waterborne PV layer (3) respectively, first waterborne PV layer (2) and second waterborne PV layer (3) all with draw coarse cotton cloth (1) fixed connection, the inside packing that draws coarse cotton cloth (1) has waterborne PU layer (4), waterborne PU layer (4) with draw coarse cotton cloth (1) fixed connection.

2. The environment-friendly recyclable aqueous PU microfiber leather according to claim 1, wherein: the napping cloth (1) comprises polyester elastic yarns (11) and polyester filament yarns (12), and the polyester elastic yarns (11) and the polyester filament yarns (12) are woven and fixed with each other.

3. The environment-friendly recyclable aqueous PU microfiber leather according to claim 2, wherein: the polyester elastic yarns (11) and the polyester filament yarns (12) are made by warp knitting.

4. The environment-friendly recyclable aqueous PU microfiber leather according to claim 3, wherein: the polyester elastic yarns (11) are 75D polyester elastic yarns, and the polyester filament yarns (12) are 75D polyester filament yarns.

5. The environment-friendly recyclable aqueous PU microfiber leather according to claim 4, wherein: the waterborne PU layer (4) is soaked to the position between the polyester elastic yarns (11) and the polyester filament yarns (12) and is fixedly connected with the polyester elastic yarns (11) and the polyester filament yarns (12).

6. The environment-friendly recyclable aqueous PU microfiber leather according to claim 5, wherein: the quantity of fine hair (13) is a plurality of, just the one end of fine hair (13) stretch into to in napping cloth (1), the other end stretch into to in first waterborne PV layer (2), the second waterborne PV layer (3), and with first waterborne PV layer (2), second waterborne PV layer (3) fixed connection.