CN214646566U - Acid and alkali resistant PU - Google Patents
Acid and alkali resistant PU Download PDFInfo
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- CN214646566U CN214646566U CN202022879329.3U CN202022879329U CN214646566U CN 214646566 U CN214646566 U CN 214646566U CN 202022879329 U CN202022879329 U CN 202022879329U CN 214646566 U CN214646566 U CN 214646566U
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Abstract
The utility model discloses an acid and alkali-resistance's PU, including the leather body, the leather body includes the basic unit, the fixed surface of basic unit is connected with first fire-retardant layer, the fixed surface on first fire-retardant layer is connected with the fire-retardant layer of second, the fixed surface on the fire-retardant layer of second is connected with the fire-retardant layer of third, the fixed surface on the fire-retardant layer of third is connected with the protective layer, the protective layer includes first corrosion-resistant layer, the fixed surface on first corrosion-resistant layer is connected with second corrosion-resistant layer, and the fixed surface on second corrosion-resistant layer is connected with third corrosion-resistant layer. The utility model discloses a set up leather body, basic unit, first fire-retardant layer, the fire-retardant layer of second, the fire-retardant layer of third, protective layer, first corrosion-resistant layer, second corrosion-resistant layer, third corrosion-resistant layer and anticorrosive coating, solved current PU leather and be equipped with the relatively poor problem of corrosion resisting property and fire prevention fire behaviour, this PU leather possesses the advantage that corrosion resisting property and fire prevention fire behaviour are good.
Description
Technical Field
The utility model relates to a PU leather technical field specifically is an acid and alkali-resistance's PU.
Background
PU chemistry chinese name polyurethane, PU leather is the epidermis of polyurethane composition, extensively is applicable to the decoration of case and bag, clothing, shoes, vehicle and furniture, and it has been affirmed by the market, and its range of application is wide, and is of a large quantity, and the variety is many, and traditional natural leather can't satisfy, but current PU leather still has some problems, does not have fine corrosion resisting property firstly, does not have fine fire prevention fire behaviour secondly, has reduced the practicality of PU leather, is unfavorable for the use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an acid and alkali-resistant PU possesses corrosion resisting property and the good advantage of fire prevention fire behavior, has solved current PU leather and has been equipped with the relatively poor problem of corrosion resisting property and fire prevention fire behavior.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an acid and alkali-resistance's PU, includes the leather body, the leather body includes the basic unit, the fixed surface of basic unit is connected with first fire-retardant layer, the fixed surface on first fire-retardant layer is connected with the fire-retardant layer of second, the fixed surface on the fire-retardant layer of second is connected with the fire-retardant layer of third, the fixed surface on the fire-retardant layer of third is connected with the protective layer, the protective layer includes first corrosion-resistant layer, the fixed surface on first corrosion-resistant layer is connected with second corrosion-resistant layer, the fixed surface on second corrosion-resistant layer is connected with third corrosion-resistant layer, the surface on third corrosion-resistant layer is provided with anticorrosive coating.
Preferably, the base layer is made of PU (polyurethane) materials, and the first flame-retardant layer is made of flame-retardant polyester.
Preferably, the second flame-retardant layer is made of flame-retardant polyester yarns, and the third flame-retardant layer is made of magnesium hydroxide materials.
Preferably, the first corrosion-resistant layer is made of polytetrafluoroethylene fibers, and the second corrosion-resistant layer is made of spandex.
Preferably, the third corrosion-resistant layer is made of aramid fibers, and the corrosion-resistant coating is made of phenolic resin coating.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up leather body, basic unit, first fire-retardant layer, the fire-retardant layer of second, the fire-retardant layer of third, protective layer, first corrosion-resistant layer, second corrosion-resistant layer, third corrosion-resistant layer and anticorrosive coating, solved current PU leather and be equipped with the relatively poor problem of corrosion resisting property and fire prevention fire behaviour, this PU leather possesses the advantage that corrosion resisting property and fire prevention fire behaviour are good, is worth promoting.
2. The utility model discloses a set up first fire-retardant layer, fire-retardant polyester has fabulous flame retardant efficiency, the fire hazard has been reduced effectively, and spinnability is good, can increase the flame retardant property of leather, through setting up the fire-retardant layer of second, fire-retardant dacron silk can play fire-retardant effect, improve the flame retardant property of leather, through setting up the third fire-retardant layer, the flame retardant property of leather can further be improved to the magnesium hydroxide material, through setting up first corrosion-resistant layer, polytetrafluoroethylene fiber chemical stability is good, corrosion resistance is good, can improve the corrosion resistance of leather, through setting up the second corrosion-resistant layer, the acid and alkali resistance of spandex, sweat resistance, sea water resistance, dry cleaning resistance, the wearability is all better, can improve the corrosion resistance of leather, through setting up the third corrosion-resistant layer, aramid fiber has the superhigh strength, high modulus and high temperature resistance, alkali-resistant acid and alkali resistance, The phenolic resin coating has good acid resistance, mechanical property and heat resistance and can improve the corrosion resistance of the surface of the leather.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the leather body of the present invention;
fig. 3 is a schematic view of the structure of the protective layer of the present invention.
In the figure: 1. a leather body; 2. a base layer; 3. a first flame retardant layer; 4. a second flame retardant layer; 5. a third flame retardant layer; 6. a protective layer; 7. a first corrosion-resistant layer; 8. a second corrosion-resistant layer; 9. a third corrosion-resistant layer; 10. and (4) an anticorrosive coating.
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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, an acid and alkali resistant PU comprises a leather body 1, the leather body 1 comprises a base layer 2, a first flame retardant layer 3 is fixedly connected to the surface of the base layer 2, a second flame retardant layer 4 is fixedly connected to the surface of the first flame retardant layer 3, a third flame retardant layer 5 is fixedly connected to the surface of the second flame retardant layer 4, a protective layer 6 is fixedly connected to the surface of the third flame retardant layer 5, the protective layer 6 comprises a first corrosion-resistant layer 7, a second corrosion-resistant layer 8 is fixedly connected to the surface of the first corrosion-resistant layer 7, a third corrosion-resistant layer 9 is fixedly connected to the surface of the second corrosion-resistant layer 8, an anticorrosive coating 10 is arranged on the surface of the third corrosion-resistant layer 9, the base layer 2 is made of PU material, the first flame retardant layer 3 is made of flame retardant polyester, the second flame retardant layer 4 is made of flame retardant polyester yarn, the third flame retardant layer 5 is made of magnesium hydroxide material, the material of the first corrosion-resistant layer 7 is made of polytetrafluoroethylene fiber, the material of the second corrosion-resistant layer 8 is made of spandex, the material of the third corrosion-resistant layer 9 is made of aramid fiber, the material of the anticorrosive coating 10 is made of phenolic resin coating, by arranging the first flame-retardant layer 3, flame-retardant polyester has a very good flame-retardant effect, the fire hazard is effectively reduced, the spinnability is good, the flame-retardant performance of leather can be improved, by arranging the second flame-retardant layer 4, flame-retardant polyester fibers can play a flame-retardant role, the flame-retardant performance of the leather is improved, by arranging the third flame-retardant layer 5, the flame-retardant performance of the leather can be further improved by magnesium hydroxide materials, by arranging the first corrosion-resistant layer 7, the chemical stability of the polytetrafluoroethylene fiber is good, the corrosion resistance of the leather can be improved, by arranging the second corrosion-resistant layer 8, spandex is good in acid and alkali resistance, sweat resistance, seawater resistance, dry cleaning resistance and wear resistance, the corrosion resistance of leather can be improved, the aramid fiber has excellent performances such as ultrahigh strength, high modulus, high temperature resistance, acid and alkali resistance and light weight by arranging the third corrosion-resistant layer 9, phenolic resin paint has good acid resistance, mechanical property and heat resistance by arranging the corrosion-resistant coating 10, the corrosion resistance of the surface of the leather can be improved, the problems that the existing PU leather is poor in corrosion resistance and fireproof flame retardant property are solved by arranging the leather body 1, the base layer 2, the first flame-retardant layer 3, the second flame-retardant layer 4, the third flame-retardant layer 5, the protective layer 6, the first corrosion-resistant layer 7, the second corrosion-resistant layer 8, the third corrosion-resistant layer 9 and the corrosion-resistant coating 10, and the PU leather has the advantages of good corrosion resistance and fireproof flame retardant property, is worthy of popularization.
When the flame-retardant leather is used, the flame-retardant polyester in the first flame-retardant layer 3 has a good flame-retardant effect, the fire hazard is effectively reduced, the spinnability is good, the flame-retardant performance of the leather can be improved, the flame-retardant polyester filaments in the second flame-retardant layer 4 can play a flame-retardant role, the flame-retardant performance of the leather is improved, the flame-retardant performance of the leather can be further improved by the magnesium hydroxide material in the third flame-retardant layer 5, the chemical stability and the corrosion resistance of the polytetrafluoroethylene fibers in the first corrosion-resistant layer 7 are good, the corrosion resistance of the leather can be improved, the acid-base resistance, the sweat resistance, the sea water resistance, the dry cleaning resistance and the wear resistance of the spandex in the second corrosion-resistant layer 8 are good, the corrosion resistance and other performances of the leather can be improved, the aramid fibers in the third corrosion-resistant layer 9 have excellent performances of ultrahigh strength, high modulus, high temperature resistance, acid-base resistance, light weight and the like, and various performances of the leather can be improved, the phenolic resin coating in the anticorrosive coating 10 has good acid resistance, mechanical property and heat resistance, and can improve the corrosion resistance of the leather surface.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (5)
1. The utility model provides an acid and alkali-resistant PU, includes leather body (1), its characterized in that: the leather body (1) comprises a base layer (2), the fixed surface of the base layer (2) is connected with a first flame-retardant layer (3), the fixed surface of the first flame-retardant layer (3) is connected with a second flame-retardant layer (4), the fixed surface of the second flame-retardant layer (4) is connected with a third flame-retardant layer (5), the fixed surface of the third flame-retardant layer (5) is connected with a protective layer (6), the protective layer (6) comprises a first corrosion-resistant layer (7), the fixed surface of the first corrosion-resistant layer (7) is connected with a second corrosion-resistant layer (8), the fixed surface of the second corrosion-resistant layer (8) is connected with a third corrosion-resistant layer (9), and the surface of the third corrosion-resistant layer (9) is provided with an anti-corrosion coating (10).
2. The acid and alkali resistant PU according to claim 1, wherein: the material of basic unit (2) adopts the PU material to make, the material of first fire-retardant layer (3) adopts fire-retardant polyester to make.
3. The acid and alkali resistant PU according to claim 1, wherein: the second flame-retardant layer (4) is made of flame-retardant polyester yarns, and the third flame-retardant layer (5) is made of magnesium hydroxide materials.
4. The acid and alkali resistant PU according to claim 1, wherein: the first corrosion-resistant layer (7) is made of polytetrafluoroethylene fibers, and the second corrosion-resistant layer (8) is made of spandex.
5. The acid and alkali resistant PU according to claim 1, wherein: the third corrosion-resistant layer (9) is made of aramid fibers, and the anticorrosive coating (10) is made of phenolic resin coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022879329.3U CN214646566U (en) | 2020-12-04 | 2020-12-04 | Acid and alkali resistant PU |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022879329.3U CN214646566U (en) | 2020-12-04 | 2020-12-04 | Acid and alkali resistant PU |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214646566U true CN214646566U (en) | 2021-11-09 |
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ID=78470663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022879329.3U Active CN214646566U (en) | 2020-12-04 | 2020-12-04 | Acid and alkali resistant PU |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214646566U (en) |
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2020
- 2020-12-04 CN CN202022879329.3U patent/CN214646566U/en active Active
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