CN105544234A - Air-permeable and moisture-permeable organic silicon synthetic leather and manufacturing technology - Google Patents
Air-permeable and moisture-permeable organic silicon synthetic leather and manufacturing technology Download PDFInfo
- Publication number
- CN105544234A CN105544234A CN201610146787.1A CN201610146787A CN105544234A CN 105544234 A CN105544234 A CN 105544234A CN 201610146787 A CN201610146787 A CN 201610146787A CN 105544234 A CN105544234 A CN 105544234A
- Authority
- CN
- China
- Prior art keywords
- permeable
- air
- synthetic leather
- layer
- silica gel
- 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
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/066—Silicon polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/126—Permeability to liquids, absorption
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2213/00—Others characteristics
- D06N2213/03—Fibrous web coated on one side with at least two layers of the same polymer type, e.g. two coatings of polyolefin
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses air-permeable and moisture-permeable organic silicon synthetic leather and a manufacturing technology. The air-permeable and moisture-permeable organic silicon synthetic leather comprises a surface air-permeable silica gel layer (1), a middle adhesive silica gel air-permeable layer (2) and a substrate (3) which are sequentially arranged from top to bottom. The manufacturing technology comprises the steps that a pored-type foamed silicone rubber surface sizing material is applied to release paper; the release paper coated with the sizing material is vulcanized to obtain the surface air-permeable silica gel layer (1); middle adhesive pored-type foamed silicone rubber is continuously applied to the surface air-permeable silica gel layer (1) and then vulcanized by being attached to the substrate; the vulcanized material is output from a drying tunnel, and after the temperature is decreased, the synthetic leather is stripped from the release paper to obtain the air-permeable organic silicon synthetic leather. The organic silicon synthetic leather has the excellent properties such as water resistance, stain resistance, aging resistance, temperature resistance and hydrolysis resistance, particularly achieves the moisture permeability in a real sense and is simple in manufacturing technology, environmentally friendly, free of toxic substances and capable of easily achieving large-scale production.
Description
Technical field
The present invention relates to a kind of air-moisture-permeable organosilicon synthetic leather and manufacturing technique thereof, belong to technical field of synthetic leather.
Background technology
At present, domestic and international synthetic leather industry is mainly with polyurethane (PU), polyvinyl chloride (PVC) is main, it is manufacturing and all can contain a large amount of dimethyl formamides in use procedure, butanone, the harmful substances such as toluene, and hydrogen chloride bioxin can be produced again during its scrap concrete process, the catabolite that hydrogen cyanide etc. are harmful to environment and biology.
PU and PVC synthetic leather also have not ageing-resistant when routine use, not heatproof, facile hydrolysis, easily stains, the shortcomings such as poor air permeability.
Organosilicon synthetic leather can avoid conventional synthesis to remove from office the harm to environment and human body of solvent and nuisance, and have waterproof, antifouling, ageing-resistant, heatproof, the characteristics such as hydrolysis are the preferably substitutes of conventional leather simultaneously.Meanwhile, although organosilicon possesses the gas permeability of molecule aspect, be only limitted to a small amount of nitrogen and oxygen through, and it is in synthetic leather application, through the moisture of human body or sweat gas, can have real use value.
Patent No. application number: 200510034344.5 preparation methods being referred to a kind of ventilating organosilicon synthetic leather, liquid silastic is directly coated on textiles by the method, and leather is not carried out to this applicator and make face, in some sense, it does not belong to synthetic leather or does not have synthetic leather use value.And do not possess moisture-inhibiting gas ability according to the synthetic leather that the method is made.Application number: 201010525873.6 are referred to a kind of waterproof breathable organic silicon synthetic leather and manufacture method thereof, the method is to patent No. application number: 200510034344.5 methods are improved, the organosilicon syrup containing the solid-state hydrotrope is used directly to apply textiles, again the solid-state hydrotrope is washed out and form perforate ventilating structure, though moisture-inhibiting gas effect can be reached, but leather is not carried out to applicator equally and make face, dermatoglyph cannot be formed, do not belong to synthetic leather application category, and this method technique is cumbersome, particularly also poach cleaning will be carried out, inefficiency also causes energy waste and produces a large amount of waste water.
Summary of the invention
The present invention is directed to the deficiency of the problems referred to above, propose a kind of air-moisture-permeable organosilicon synthetic leather and manufacturing technique, this synthetic leather has air-moisture-permeable structure, and its manufacturing technique can produce the organosilicon synthetic leather of real meaning waterproof energy moisture-inhibiting simultaneously gas.
The present invention is the technical scheme solving the problems of the technologies described above proposition:
A kind of air-moisture-permeable organosilicon synthetic leather, comprises the surface layer set gradually from top to bottom and to breathe freely layer of silica gel (1), middle cementability silica gel air-permeable layer (2) and base material (3).
Preferred: described surface layer is breathed freely layer of silica gel (1), composite joint is together successively for middle cementability silica gel air-permeable layer (2) and base material (3).
Preferred: described surface layer breathes freely layer of silica gel (1) for open cell type foamed silastic layer.
Preferred: described base material (3) is textiles.
Preferred: described surface layer is breathed freely the thickness 0.02-0.1mm of layer of silica gel (1).
Preferred: the thickness 0.05-0.3mm of described middle cementability silica gel air-permeable layer (2).
A manufacturing technique for air-moisture-permeable organosilicon synthetic leather, comprises the following steps:
Step 1, is coated in release liners by open cell type foamed silastic surface layer sizing material, coating layer thickness 0.02-0.1mm;
Step 2, release liners step 1 being applied sizing material completes sulfuration in 3-20 minute by 80-150 DEG C of drying tunnel baking, obtains surface layer and to breathe freely layer of silica gel (1);
Step 3, breathing freely at surface layer, layer of silica gel (1) is upper continues cementability open cell type foamed silastic in the middle of coating, coating layer thickness 0.05-0.3mm, and base material of fitting;
Step 4, material step 3 obtained completes sulfuration in 3-20 minute by 80-150 DEG C of drying tunnel baking;
Step 5, peels off the material output drying tunnel after step 4 sulfuration synthetic leather and release liners and namely obtains gas permeability organosilicon synthetic leather after cooling.
A kind of air-moisture-permeable organosilicon synthetic leather of the present invention and manufacturing technique, compared to existing technology, have following beneficial effect:
The organosilicon synthetic leather of this to be breathed freely layer of silica gel (1) owing to comprising the surface layer set gradually from top to bottom, middle cementability silica gel air-permeable layer (2) and base material (3), bonded together with base material (3) by middle cementability silica gel air-permeable layer (2) surface layer breathed freely layer of silica gel (1), machine silicon synthetic leather is made to have moisture-penetrable ventilated effect, there is excellent waterproof simultaneously, antifouling, ageing-resistant, heatproof, the characteristics such as hydrolysis, particularly achieve the poisture-penetrability of real meaning.Simple and the environmental protection of this synthetic leather manufacture craft, without nuisance, is easy to realize large-scale production.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is gas permeability organosilicon synthetic leather manufacture craft schematic diagram.
Wherein, 1 to breathe freely layer of silica gel for surface layer, and 2 is middle cementability silica gel air-permeable layer, and 3 is base material, and 11 coating cloth decks one, 12 are coating cloth deck two, 13 for be coated with first, 4 be coating head two, 5 is release liners, and 7 is doubling roller, and 8 is drying tunnel one, and 9 is drying tunnel two.
Detailed description of the invention
Accompanying drawing discloses the structural representation of a preferred embodiment of the invention without limitation, explains technical scheme of the present invention below with reference to accompanying drawing.
Embodiment 1
A kind of air-moisture-permeable organosilicon synthetic leather, as shown in Figure 1, comprises from top to bottom composite joint surface layer together successively and to breathe freely layer of silica gel (1), middle cementability silica gel air-permeable layer (2) and base material (3).
Described surface layer breathes freely layer of silica gel (1) for open cell type foamed silastic layer, and therefore its air-moisture-permeable is effective.Described base material (3) is textiles.Described surface layer is breathed freely the thickness 0.02-0.1mm of layer of silica gel (1).The thickness 0.05-0.3mm of described middle cementability silica gel air-permeable layer (2).
A kind of manufacturing technique of air-moisture-permeable organosilicon synthetic leather, as shown in Figure 2, comprise the following steps: by release liners (large Japanese ink, model DE-90) run through coating line, by the gluing of surface layer hole-opening foaming silicon rubber on coating cloth deck 1, it is 0.1mm that setting is coated with first 13 spacing, and adjustment linear velocity makes coating material retention time in 130 DEG C of drying tunnels be 10 minutes, complete sulfuration, the condition of sulfuration is 80-150 DEG C of drying tunnel baking 3-20 minute.By the gluing of middle cementability open cell type foamed silastic on coating cloth deck 2 12, setting coating head 2 14 spacing is 0.2mm, the linear velocity that maintenance sets above, be that 0.6 superfine fibre base material 3 is fitted by doubling roller 7 by itself and thickness, setting laminating spacing (distance between release liners and doubling roller) is for 0.85mm and by 130 DEG C of drying tunnels, retention time 15 minutes, goes out drying tunnel and release liners is separated with synthetic leather after cooling.
Embodiment 2
The difference part of the present embodiment and embodiment 1 is: being coated with first 13 spacing is 0.02mm, and coating head 2 14 spacing is 0.05mm.
Embodiment 3
The difference part of the present embodiment and embodiment 1 is: the difference part of the present embodiment and embodiment 1 is: being coated with first 13 spacing is 0.05mm, and coating head 2 14 spacing is 0.3mm.
The preferred specific embodiment of the present invention described by reference to the accompanying drawings is above only for illustration of embodiments of the present invention; instead of as the restriction to aforementioned invention object and claims content and scope; every according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belong to the technology of the present invention and rights protection category.
Claims (7)
1. an air-moisture-permeable organosilicon synthetic leather, is characterized in that: comprise the surface layer set gradually from top to bottom and to breathe freely layer of silica gel (1), middle cementability silica gel air-permeable layer (2) and base material (3).
2. air-moisture-permeable organosilicon synthetic leather according to claim 1, is characterized in that: described surface layer is breathed freely layer of silica gel (1), and composite joint is together successively for middle cementability silica gel air-permeable layer (2) and base material (3).
3. air-moisture-permeable organosilicon synthetic leather according to claim 1, is characterized in that: described surface layer breathes freely layer of silica gel (1) for open cell type foamed silastic layer.
4. air-moisture-permeable organosilicon synthetic leather according to claim 1, is characterized in that: described base material (3) is textiles.
5. air-moisture-permeable organosilicon synthetic leather according to claim 1, is characterized in that: described surface layer is breathed freely the thickness 0.02-0.1mm of layer of silica gel (1).
6. air-moisture-permeable organosilicon synthetic leather according to claim 1, is characterized in that: the thickness 0.05-0.3mm of described middle cementability silica gel air-permeable layer (2).
7., based on a manufacturing technique for air-moisture-permeable organosilicon synthetic leather according to claim 1, it is characterized in that, comprise the following steps:
Step 1, is coated in release liners by open cell type foamed silastic surface layer sizing material, coating layer thickness 0.02-0.1mm;
Step 2, release liners step 1 being applied sizing material completes sulfuration in 3-20 minute by 80-150 DEG C of drying tunnel baking, obtains surface layer and to breathe freely layer of silica gel (1);
Step 3, breathing freely at surface layer, layer of silica gel (1) is upper continues cementability open cell type foamed silastic in the middle of coating, coating layer thickness 0.05-0.3mm, and base material of fitting;
Step 4, material step 3 obtained completes sulfuration in 3-20 minute by 80-150 DEG C of drying tunnel baking;
Step 5, peels off the material output drying tunnel after step 4 sulfuration synthetic leather and release liners and namely obtains gas permeability organosilicon synthetic leather after cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146787.1A CN105544234A (en) | 2016-03-15 | 2016-03-15 | Air-permeable and moisture-permeable organic silicon synthetic leather and manufacturing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146787.1A CN105544234A (en) | 2016-03-15 | 2016-03-15 | Air-permeable and moisture-permeable organic silicon synthetic leather and manufacturing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105544234A true CN105544234A (en) | 2016-05-04 |
Family
ID=55823772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146787.1A Pending CN105544234A (en) | 2016-03-15 | 2016-03-15 | Air-permeable and moisture-permeable organic silicon synthetic leather and manufacturing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105544234A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073025A (en) * | 2016-07-23 | 2016-11-09 | 刘光有 | A kind of preventing wrinkle method and the application on preventing wrinkle vamp thereof |
| CN107268282A (en) * | 2017-07-01 | 2017-10-20 | 东莞市良展有机硅科技有限公司 | A kind of preparation method of moisture-penetrable ventilated silica gel synthetic leather |
| CN108004795A (en) * | 2016-10-28 | 2018-05-08 | 惠州赛力珑新材料有限公司 | A kind of bilayer water pressure resistance ventilating organosilicon tent leather and preparation method thereof |
| CN108749168A (en) * | 2018-06-08 | 2018-11-06 | 东莞市良展有机硅科技有限公司 | High wet friction silicon rubber and preparation method thereof |
| WO2019061777A1 (en) * | 2017-09-27 | 2019-04-04 | 惠州赛力珑新材料有限公司 | Organopolysiloxane synthetic leather and manufacturing method therefor |
| CN116122052A (en) * | 2022-12-31 | 2023-05-16 | 张家港市九鸿印染机械有限公司 | Solvent-free silicon rubber synthetic leather production line and production process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702234A (en) * | 2005-04-21 | 2005-11-30 | 田文新 | Ventilating organosilicon synthetic leather and its making method |
| JP2008069481A (en) * | 2006-09-14 | 2008-03-27 | Teijin Cordley Ltd | Method for producing substrate for artificial leather |
| CN102041688A (en) * | 2010-11-01 | 2011-05-04 | 张瑜 | Waterproof breathable organic silicon synthetic leather and manufacturing method thereof |
| CN103821008A (en) * | 2014-03-12 | 2014-05-28 | 李江群 | Organosilicon synthetic leather adopting three-layer structure and preparation method thereof |
| CN203779980U (en) * | 2014-04-03 | 2014-08-20 | 昆山金有利新材料科技有限公司 | Water-resistant air-permeable polyurethane composite film |
-
2016
- 2016-03-15 CN CN201610146787.1A patent/CN105544234A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1702234A (en) * | 2005-04-21 | 2005-11-30 | 田文新 | Ventilating organosilicon synthetic leather and its making method |
| JP2008069481A (en) * | 2006-09-14 | 2008-03-27 | Teijin Cordley Ltd | Method for producing substrate for artificial leather |
| CN102041688A (en) * | 2010-11-01 | 2011-05-04 | 张瑜 | Waterproof breathable organic silicon synthetic leather and manufacturing method thereof |
| CN103821008A (en) * | 2014-03-12 | 2014-05-28 | 李江群 | Organosilicon synthetic leather adopting three-layer structure and preparation method thereof |
| CN203779980U (en) * | 2014-04-03 | 2014-08-20 | 昆山金有利新材料科技有限公司 | Water-resistant air-permeable polyurethane composite film |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073025A (en) * | 2016-07-23 | 2016-11-09 | 刘光有 | A kind of preventing wrinkle method and the application on preventing wrinkle vamp thereof |
| CN106073025B (en) * | 2016-07-23 | 2017-10-17 | 刘光有 | A kind of preventing wrinkle method and its application on preventing wrinkle vamp |
| CN108004795A (en) * | 2016-10-28 | 2018-05-08 | 惠州赛力珑新材料有限公司 | A kind of bilayer water pressure resistance ventilating organosilicon tent leather and preparation method thereof |
| CN108004795B (en) * | 2016-10-28 | 2024-03-22 | 惠州赛力珑新材料有限公司 | Double-layer water-pressure-resistant breathable organic silicon tent leather and manufacturing method thereof |
| CN107268282A (en) * | 2017-07-01 | 2017-10-20 | 东莞市良展有机硅科技有限公司 | A kind of preparation method of moisture-penetrable ventilated silica gel synthetic leather |
| WO2019061777A1 (en) * | 2017-09-27 | 2019-04-04 | 惠州赛力珑新材料有限公司 | Organopolysiloxane synthetic leather and manufacturing method therefor |
| CN108749168A (en) * | 2018-06-08 | 2018-11-06 | 东莞市良展有机硅科技有限公司 | High wet friction silicon rubber and preparation method thereof |
| CN116122052A (en) * | 2022-12-31 | 2023-05-16 | 张家港市九鸿印染机械有限公司 | Solvent-free silicon rubber synthetic leather production line and production process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105544234A (en) | Air-permeable and moisture-permeable organic silicon synthetic leather and manufacturing technology | |
| CN205576614U (en) | Air and water vapor permeability organic silicon synthetic leather | |
| CN105442339B (en) | The preparation method of hydrolysis sofa furniture and automotive seat Synthetic Leather | |
| CN104499293B (en) | A kind of Waterproof Breathable grid PRINTED FABRIC and preparation method thereof | |
| CN105696361A (en) | Super-soft organic silicon leather and preparation method thereof | |
| CN102041688B (en) | Waterproof breathable organic silicon synthetic leather and manufacturing method thereof | |
| CN101693414A (en) | Vamp material and method for preparing same | |
| JP3155409U (en) | Silicone gel composite structure | |
| CN211165623U (en) | Watchband material with silica gel leather surface | |
| CN103088657A (en) | Artificial leather and production method thereof | |
| CN104494270A (en) | Technology for producing anti-wicking airtight waterproof cloth | |
| US20180202100A1 (en) | Multicolored siilicone synthetic leather and preparing method | |
| CN211467675U (en) | Novel waterproof ventilated membrane | |
| CN102628223A (en) | Processing method for novel crease-resistant Western-style clothes fabric | |
| CN204754085U (en) | Bamboo floor of environmental protection | |
| CN203807860U (en) | Waterproof and moisture permeable grid printed fabric | |
| CN211917906U (en) | Corrosion-resistant synthetic leather | |
| CN201406602Y (en) | Water-proof breathable composite elastic fabric | |
| CN203779980U (en) | Water-resistant air-permeable polyurethane composite film | |
| CN104213431B (en) | A kind of preparation method of waterproof artificial leather | |
| CN108004795B (en) | Double-layer water-pressure-resistant breathable organic silicon tent leather and manufacturing method thereof | |
| CN103393244A (en) | Rain cape fabric | |
| CN210367517U (en) | High-viscosity insulating PE self-adhesive film | |
| CN207685578U (en) | A kind of PVC synthetic leather structure of negative ion health | |
| CN208104862U (en) | A kind of leather and fur products with unidirectional moisture-inhibiting, anti-static function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160504 |
|
| WD01 | Invention patent application deemed withdrawn after publication |