CN108755272A - Flame wallpaper base material and preparation method thereof - Google Patents
Flame wallpaper base material and preparation method thereof Download PDFInfo
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- CN108755272A CN108755272A CN201810513312.0A CN201810513312A CN108755272A CN 108755272 A CN108755272 A CN 108755272A CN 201810513312 A CN201810513312 A CN 201810513312A CN 108755272 A CN108755272 A CN 108755272A
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- preparation
- wallpaper
- fibre
- base material
- infusorial earth
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a kind of preparation methods of flame wallpaper base material, including：By sawdust, the leaf of bamboo, bark, straw, folium artemisiae argyi, peppermint, convallaria, fire-retardant filler and limewash according to 100：15-55：20-30：10-15：3-10：2-6：5-10：10-20：The weight ratio of 150-300 is smashed to pieces, is mixed, boiling is to be made slurry；It carries out the slurry to wash material, shine white, dnockout, fishing paper, drain and roast paper so that wallpaper base material is made；Wherein, the reinforcing filler mixed by modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, basalt fibre, asbestos fibre and ceramic fibre, be heat-treated it is obtained.What the flame wallpaper base material can greatly improve the environmental protection flame retardant wallpaper of wallpaper obtained prepares raw material, can greatly improve fire-retardant, the high temperature resistance of wallpaper obtained, and health environment-friendly.
Description
Technical field
The present invention relates to wallpaper product manufacturing fields, and in particular, to a kind of flame wallpaper base material and its preparation side
Method.
Background technology
Ornament materials is the material base of building decoration engineering, is the actual effect of decorative engineering and the color of ornament materials
Color, texture and the specific of texture show, and decorative material for internal wall is as component part important in modern house decorations,
It accounts for the largest percentage in whole house ornamentation.Wall decorative material currently on the market include coating, wallpaper, ceramics, glass, minute surface,
Diatom ooze etc., type is abundant, and advantage is different, can flexibly be selected according to each room function and environment, numerous materials wherein more than wallpaper
With the surface lining that most wide, kind are most in material, be widely used in restaurant in room interior wall and public place, market,
On the wall in hotel.
Wallpaper is increasingly becoming decorate home material since the 1980s, is the quite extensive indoor dress of current application
Exterior material.Initially originating from drawing on the paper Tang Dynasty, the wallpaper of Modern Significance, development are just evolved into through Britain's production printing again afterwards
Process successively experienced paper, scribble on paper, blistering paper, calico paper, to the process of version cruddy paper, special process paper.But it is existing
Wallpaper normally only there is single dicoration, mostly use artificial chemical materials greatly, lack other comprehensive performances, it is difficult to meet
People are for the higher requirement of wallpaper.
As wallpaper uses the raising of popularity rate, wallpaper is in public places and family's usage amount is increasing so that fire
Potential danger is significantly increased, and the flame retardant property of wallpaper also becomes hot issue of people's attention.Wallpaper belongs to inflammable product,
And the polyvinyl chloride that contains in wallpaper and specialty fibers will produce a large amount of smog in burning and two English classes are carcinogenic etc. has
Poisonous gas, this is the principal element for causing crowd's Poisoning choke in a fire.Current wallpaper fire retardant simultaneously, need additive amount compared with
Just have certain anti-flammability when big, but when fire retardant additive amount is more, there can be certain influence on the total quality of wallpaper, such as
Wallpaper can be caused poor appearance occur, hardened, frangible, the problems such as flexibility, tearing strength substantially reduce, once and in wallpaper
Fire retardant is excessive, and the yield for the black smoke and toxic gas that when burning generates can also increase severely.Therefore, how to ensure wallpaper resistance
Under the premise of firing performance, the dosage of wallpaper fire retardant how is reduced, does not influence wallpaper whole processing performance, and can effectively inhibit black
The generation of cigarette and toxic gas, this has become the hot spot studied at present.
Invention content
The object of the present invention is to provide a kind of flame wallpaper base material, which can greatly improve
The environmental protection flame retardant wallpaper of wallpaper obtained prepares raw material, can greatly improve fire-retardant, the high temperature resistance of wallpaper obtained, and
Health environment-friendly.
To achieve the goals above, the preparation method of flame wallpaper base material of the present invention, including：
By sawdust, the leaf of bamboo, bark, straw, folium artemisiae argyi, peppermint, convallaria, fire-retardant filler and limewash according to 100：15-55：
20-30：10-15：3-10：2-6：5-10：10-20：The weight ratio of 150-300 is smashed to pieces, is mixed, boiling is to be made slurry；
It carries out the slurry to wash material, shine white, dnockout, fishing paper, drain and roast paper so that wallpaper base material is made；
Wherein, the reinforcing filler is by modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, profound
Military rock fiber, asbestos fibre and ceramic fibre mixed, it is obtained to be heat-treated.
In above-mentioned technical proposal, the condition of the boiling can select in a wide range, but in order to improve boiling effect
Rate, it is preferable that the boiling at least meets the following conditions：Boiling temperature is 110-120 DEG C, digestion time 5-7d.
In above-mentioned technical proposal, the white condition of the solarization can select in a wide range, but in order to carry solarization white effect,
Preferably, the solarization meets the following conditions in vain：It is 20-35 DEG C to shine white temperature, and it is 30-60d to shine the white time.
In the present invention, the fire-retardant filler is made by following methods：
By modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, basalt fibre, asbestos fibre
Mixed with ceramic fibre, be heat-treated it is obtained；
Wherein, the modification infusorial earth passes through carbon black, bamboo fibre, titanate esters, Aluminate, silane coupler modified diatomite
It is made.
The modification infusorial earth is made by following methods：
By diatomite and carbon black, bamboo fibre, titanate esters, Aluminate and silane coupling agent according to 100：10-15：1-5：3-5：
3-7：The weight ratio of 50-80 is stirred mixing, heating, dry cooling and grinds the obtained modification infusorial earth.
In above-mentioned technical proposal, the condition for being stirred, heating can select in a wide range, but in order to carry
High stirring efficiency, the efficiency of heating surface, it is preferable that described be stirred meets the following conditions：Rotating speed is 3000-4000rpm, and the time is
4-6h；
The heating meets the following conditions：Temperature is 150-180 DEG C, time 0.5-2.5h.
During preparing fire-retardant filler, the proportioning of each raw material can select in a wide range, but in order to improve system
Filler flame retardant property, it is preferable that the modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder,
The weight ratio of basalt fibre, asbestos fibre and ceramic fibre is 100：5-8：3-8：10-15：1-5：5-15：10-15：10-
15。
In above-mentioned technical proposal, the condition of the heat treatment can select in a wide range, but for preparation efficiency,
Preferably, the heat treatment at least meets the following conditions：The heat treatment at least meets the following conditions：
Under nitrogen atmosphere, it is warming up to 400-500 DEG C from 20-40 DEG C, and keeps the temperature 1-1.5h at 400-500 DEG C；
Then, natural cooling after being cooled to 50-70 DEG C；Heating rate is 5-10 DEG C/min in the temperature-rise period；It is described
Rate of temperature fall is 5-10 DEG C/min in temperature-fall period.
Flame wallpaper base material made from a kind of above-mentioned preparation method is additionally provided in the present invention.
Through the above technical solutions, first using carbon black, bamboo fibre, titanate esters, Aluminate, silane coupling agent to silicon in the present invention
Diatomaceous earth, which is modified to be made, states modification infusorial earth；Then modification infusorial earth will be stated with graphene oxide, antimony oxide, shell to gather
Sugar, brass powder, basalt fibre, asbestos fibre and ceramic fibre mixed, is heat-treated obtained fire-retardant reinforcing filler, and by its
It is applied in the preparation process of wallpaper base material, preparation process is simple, raw material is environment-protecting and non-poisonous, is ensureing wallpaper asepsis environment-protecting
Its flame retardant property can also be improved simultaneously.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood as comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It can be combined with each other between the endpoint value of a range and individual point value, and individually between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
The present invention will be described in detail by way of examples below.
Preparation example 1
By diatomite and carbon black, bamboo fibre, titanate esters, Aluminate and silane coupling agent according to 100：10：1：3：3：50
Weight ratio stirs 4h, heats 2.5h at 150 DEG C at 3,000 rpm, and dry cooling simultaneously grinds the obtained modification infusorial earth；
By modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, basalt fibre (1 μm), asbestos
Fiber (2 μm) and ceramic fibre (2 μm) are according to 100：5：3：10：1：5：10：10 weight ratio is mixed, under nitrogen atmosphere,
It is warming up to 400 DEG C from 20 DEG C with the heating rate of 5 DEG C/min, and keeps the temperature 1.5h at 400 DEG C；Then, with the cooling of 5 DEG C/min speed
Natural cooling after rate is cooled to 70 DEG C；Up to wallpaper fire-retardant filler, it is denoted as W1.
Preparation example 2
By diatomite and carbon black, bamboo fibre, titanate esters, Aluminate and silane coupling agent according to 100：12：3：4：5：60
Weight ratio stirs 5h at 3500rpm, heats 2h at 165 DEG C, and dry cooling simultaneously grinds the obtained modification infusorial earth；
By modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, basalt fibre (2 μm), asbestos
Fiber (2 μm) and ceramic fibre (1 μm) are according to 100：6：5：12：3：10：12：13 weight ratio is mixed, under nitrogen atmosphere,
It is warming up to 450 DEG C from 30 DEG C with the heating rate of 8 DEG C/min, and keeps the temperature 1h at 450 DEG C；Then, with the cooling of 10 DEG C/min speed
Natural cooling after rate is cooled to 60 DEG C；Up to wallpaper fire-retardant filler, it is denoted as W2.
Preparation example 3
By diatomite and carbon black, bamboo fibre, titanate esters, Aluminate and silane coupling agent according to 100：15：5：5：7：80
Weight ratio stirs 4h, 180 DEG C of heating 0.5h at 4000rpm, and dry cooling simultaneously grinds the obtained modification infusorial earth；
By modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, basalt fibre (2 μm), asbestos
Fiber (1 μm) and ceramic fibre (1 μm) are according to 100：8：8：15：5：15：15：15 weight ratio is mixed, under nitrogen atmosphere,
It is warming up to 500 DEG C from 40 DEG C with the heating rate of 10 DEG C/min, and keeps the temperature 1h at 500 DEG C；Then, with the cooling of 10 DEG C/min speed
Natural cooling after rate is cooled to 70 DEG C；Up to wallpaper fire-retardant filler, it is denoted as W3.
Preparation example 4
Wallpaper fire-retardant filler W4 is made according to the method for preparation example 1, unlike modification infusorial earth is not added.
Preparation example 5
Wallpaper fire-retardant filler W5 is made according to the method for preparation example 1, unlike antimony oxide is not added.
Preparation example 6
Wallpaper fire-retardant filler W6 is made according to the method for preparation example 1, unlike basalt fibre is not added.
Preparation example 7
Wallpaper fire-retardant filler W7 is made according to the method for preparation example 1, unlike asbestos fibre is not added.
Preparation example 8
Wallpaper fire-retardant filler W8 is made according to the method for preparation example 1, unlike ceramic fibre is not added.
Embodiment 1
By sawdust, the leaf of bamboo, bark, straw, folium artemisiae argyi, peppermint, convallaria, fire-retardant filler and limewash according to 100：15-55：
20-30：10-15：3-10：2-6：5-10：10-20：The weight ratio of 150-300 is smashed to pieces, is mixed, in 110-120 DEG C of boiling
5-7d is to be made slurry；The slurry wash material, white 30-60d is shone at 20-35 DEG C, dnockout, fishing paper, drain and roast paper with
Flame wallpaper base material is made；It is denoted as A1.
Embodiment 2
By sawdust, the leaf of bamboo, bark, straw, folium artemisiae argyi, peppermint, convallaria, fire-retardant filler and limewash according to 100：15-55：
20-30：10-15：3-10：2-6：5-10：10-20：The weight ratio of 150-300 is smashed to pieces, is mixed, in 110-120 DEG C of boiling
5-7d is to be made slurry；The slurry wash material, white 30-60d is shone at 20-35 DEG C, dnockout, fishing paper, drain and roast paper with
Flame wallpaper base material is made；It is denoted as A2.
Embodiment 3
By sawdust, the leaf of bamboo, bark, straw, folium artemisiae argyi, peppermint, convallaria, fire-retardant filler and limewash according to 100：15-55：
20-30：10-15：3-10：2-6：5-10：10-20：The weight ratio of 150-300 is smashed to pieces, is mixed, in 110-120 DEG C of boiling
5-7d is to be made slurry；The slurry wash material, white 30-60d is shone at 20-35 DEG C, dnockout, fishing paper, drain and roast paper with
Flame wallpaper base material is made；It is denoted as A3.
Comparative example 1
Flame wallpaper base material is prepared Following the procedure of Example 1, is denoted as D1；The difference is that replacing W1 using W4.
Comparative example 2
Flame wallpaper base material is prepared Following the procedure of Example 1, is denoted as D2；The difference is that replacing W1 using W5.
Comparative example 3
Flame wallpaper base material is prepared Following the procedure of Example 1, is denoted as D3；The difference is that replacing W1 using W6.
Comparative example 4
Flame wallpaper base material is prepared Following the procedure of Example 1, is denoted as D4；The difference is that replacing W1 using W7.
Comparative example 5
Flame wallpaper base material is prepared Following the procedure of Example 1, is denoted as D5；The difference is that replacing W1 using W8.
Comparative example 6
Flame wallpaper base material is prepared Following the procedure of Example 1, is denoted as D6；The difference is that fire-retardant filler is not used
W1。
Detect example 1
Flame retardant property made from the embodiment of the present invention and comparative example, the material of detection are detected according to relevant national standard method
Gauge lattice are 100g/m2, the results are shown in table below：
Table 1
| Number | Average after flame time/S |
| A1 | 4.5 |
| A2 | 4.4 |
| A3 | 4.7 |
| D1 | 3.2 |
| D2 | 3.1 |
| D3 | 2.9 |
| D4 | 2.7 |
| D5 | 2.6 |
| D6 | 1.5 |
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above
Detail can carry out a variety of simple variants to technical scheme of the present invention within the scope of the technical concept of the present invention, this
A little simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (10)
1. a kind of preparation method of flame wallpaper base material, which is characterized in that including：
By sawdust, the leaf of bamboo, bark, straw, folium artemisiae argyi, peppermint, convallaria, fire-retardant filler and limewash according to 100：15-55：20-
30：10-15：3-10：2-6：5-10：10-20：The weight ratio of 150-300 is smashed to pieces, is mixed, boiling is to be made slurry；By institute
Slurry is stated to carry out washing material, shine white, dnockout, fishing paper, drain and roast paper so that wallpaper base material is made；
Wherein, the reinforcing filler is by modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, basalt
Fiber, asbestos fibre and ceramic fibre mixed, it is obtained to be heat-treated.
2. preparation method according to claim 1, wherein the boiling at least meets the following conditions：Boiling temperature is
110-120 DEG C, digestion time 5-7d.
3. preparation method according to claim 1, wherein the solarization meets the following conditions in vain：It is 20-35 to shine white temperature
DEG C, it is 30-60d to shine the white time.
4. preparation method according to claim 1, wherein the fire-retardant filler is made by following methods：
By modification infusorial earth, graphene oxide, antimony oxide, chitosan, brass powder, basalt fibre, asbestos fibre and pottery
Porcelain fiber mixed, it is obtained to be heat-treated；
Wherein, the modification infusorial earth passes through carbon black, bamboo fibre, titanate esters, Aluminate, silane coupler modified diatomite system
?.
5. preparation method according to claim 4, wherein the modification infusorial earth is made by following methods：
By diatomite and carbon black, bamboo fibre, titanate esters, Aluminate and silane coupling agent according to 100：10-15：1-5：3-5：3-7：
The weight ratio of 50-80 is stirred mixing, heating, dry cooling and grinds the obtained modification infusorial earth.
6. preparation method according to claim 5, wherein described be stirred meets the following conditions：Rotating speed is 3000-
4000rpm, time 4-6h；
The heating meets the following conditions：Temperature is 150-180 DEG C, time 0.5-2.5h.
7. preparation method according to claim 4, wherein the modification infusorial earth, graphene oxide, antimony oxide,
Chitosan, brass powder, basalt fibre, asbestos fibre and ceramic fibre weight ratio be 100：5-8：3-8：10-15：1-5：5-
15：10-15：10-15.
8. preparation method according to claim 4, wherein the heat treatment at least meets the following conditions：
Under nitrogen atmosphere, it is warming up to 400-500 DEG C from 20-40 DEG C, and keeps the temperature 1-1.5h at 400-500 DEG C；
Then, natural cooling after being cooled to 50-70 DEG C.
9. preparation method according to claim 8, wherein heating rate is 5-10 DEG C/min in the temperature-rise period；
Rate of temperature fall is 5-10 DEG C/min in the temperature-fall period.
10. flame wallpaper base material made from a kind of preparation method by described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810513312.0A CN108755272A (en) | 2018-05-25 | 2018-05-25 | Flame wallpaper base material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810513312.0A CN108755272A (en) | 2018-05-25 | 2018-05-25 | Flame wallpaper base material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN108755272A true CN108755272A (en) | 2018-11-06 |
Family
ID=64006430
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810513312.0A Pending CN108755272A (en) | 2018-05-25 | 2018-05-25 | Flame wallpaper base material and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105908561A (en) * | 2016-04-22 | 2016-08-31 | 安徽索亚装饰材料有限公司 | Wear-resistant flame retardation wallpaper raw paper and making method thereof |
| CN107163450A (en) * | 2017-07-15 | 2017-09-15 | 芜湖乾凯材料科技有限公司 | A kind of high-strength mildew-proof wall hanging board and its processing method |
| US20170268177A1 (en) * | 2013-01-09 | 2017-09-21 | The Chemours Company Tt, Llc | Process for making a décor paper having improved optical performance |
| CN107489067A (en) * | 2017-08-22 | 2017-12-19 | 安徽悦尔伟塑料机械有限公司 | Extrusion coating paper and preparation method thereof |
| CN108004831A (en) * | 2017-12-08 | 2018-05-08 | 姚景城 | A kind of flame retardant type wallpaper |
-
2018
- 2018-05-25 CN CN201810513312.0A patent/CN108755272A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170268177A1 (en) * | 2013-01-09 | 2017-09-21 | The Chemours Company Tt, Llc | Process for making a décor paper having improved optical performance |
| CN105908561A (en) * | 2016-04-22 | 2016-08-31 | 安徽索亚装饰材料有限公司 | Wear-resistant flame retardation wallpaper raw paper and making method thereof |
| CN107163450A (en) * | 2017-07-15 | 2017-09-15 | 芜湖乾凯材料科技有限公司 | A kind of high-strength mildew-proof wall hanging board and its processing method |
| CN107489067A (en) * | 2017-08-22 | 2017-12-19 | 安徽悦尔伟塑料机械有限公司 | Extrusion coating paper and preparation method thereof |
| CN108004831A (en) * | 2017-12-08 | 2018-05-08 | 姚景城 | A kind of flame retardant type wallpaper |
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Application publication date: 20181106 |