CN107471739A - environment-friendly shopping bag and preparation method thereof - Google Patents
environment-friendly shopping bag and preparation method thereof Download PDFInfo
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- CN107471739A CN107471739A CN201710722045.3A CN201710722045A CN107471739A CN 107471739 A CN107471739 A CN 107471739A CN 201710722045 A CN201710722045 A CN 201710722045A CN 107471739 A CN107471739 A CN 107471739A
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- shopping bag
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Classifications
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/36—Inorganic fibres or flakes
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/42—Asbestos
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
-
- 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
-
- 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
- D21H17/64—Alkaline compounds
-
- 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
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/73—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of inorganic material
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of environment-friendly shopping bag and preparation method thereof, including：1) log is starched, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler and limewash is according to 100：30‑40：5‑15：5‑10：5‑10：15‑20：200 300 weight ratio is mixed, boiling is with obtained paper pulp；The paper pulp is carried out washing material, white, dnockout is shone, drag for paper, drain and roasts paper so that extrusion coating paper is made；2) low density polyvinyl-chloride film is heated and is coated on the surface of the extrusion coating paper to form plastic layer, processing so that environment-friendly shopping bag is made.The environment-friendly shopping bag is not only with excellent mechanical strength and also with good anti-microbial property.
Description
Technical field
The present invention relates to shopping bag field, in particular it relates to a kind of environment-friendly shopping bag and preparation method thereof.
Background technology
Shopping bag, as the term suggests the sack used when being due to shopping during packing belongings, such as shopping bag for supermarket, business
Field food bag and net purchase food bag etc..Wherein, shopping bag according to the difference of material be divided into plastic shopping bag, paper shopping bag and
Paper-plastic stick shopping bag.
It is well known that polybag is not degradable, very big pressure is easily brought to the follow-up control of environmental pollution.And paper
Its intensity of the food bag of matter is far from enough, is not durable；And use range is restricted, it is impossible to pack some liquid or the thing of humidity
Part.Therefore, paper-plastic stick food bag was widely used because of the advantages that its is environmentally friendly, durable.
But the preparation technology for being presently used for preparing paper-plastic stick polybag is complicated, cost is higher, and obtained environmental protection purchases
The intensity of thing bag is not high.
The content of the invention
It is an object of the invention to provide a kind of environment-friendly shopping bag and preparation method thereof, the mechanical strength of the environment-friendly shopping bag
Height, burst index is high and anti-microbial property is excellent, is suitable as the airborne or vehicle-mounted refuse bag of aviation, train etc., environment-friendly antibacterial, by force
Degree is high durable.
To achieve these goals, the invention provides a kind of preparation method of environment-friendly shopping bag, wherein, including：1) will
Log slurry, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler and limewash are according to 100：30-40：5-15：5-10：5-10：15-
20：200-300 weight ratio is mixed, boiling is with obtained paper pulp；By the paper pulp wash material, shine white, dnockout, drag for paper,
Drain and and roast paper so that extrusion coating paper is made；
2) by low density polyvinyl-chloride film heated and be coated on the surface of the extrusion coating paper with formed plastic layer plus
Work is with obtained environment-friendly shopping bag.
Pass through above-mentioned technical proposal, log slurry, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler are first selected in of the invention
Mixed with limewash according to specific ratio, boiling be made paper pulp；It has selected in the preparation method and add inorganic filler
Enter the intensity that obtained paper is further improved into the raw material of paper, improve its burst index.Finally, by low-density polychlorostyrene
Vinyl film is heated and is coated on the surface of the extrusion coating paper to form plastic layer so that environment-friendly shopping bag is made, and then makes system
The environment-friendly shopping bag obtained has higher burst index, and anti-microbial property is excellent.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
A kind of preparation method of environment-friendly shopping bag is provided in the present invention, including：
1) log is starched, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler and limewash is according to 100：30-40：5-15：
5-10：5-10：15-20：200-300 weight ratio is mixed, boiling is with obtained paper pulp；The paper pulp is carried out washing material, shone
In vain, dnockout, drag for paper, drain and and roasting paper be made extrusion coating paper；
2) by low density polyvinyl-chloride film heated and be coated on the surface of the extrusion coating paper with formed plastic layer with
Environment-friendly shopping bag is made.
In above-mentioned technical proposal, described species of inorganic filler and preparation method thereof can be selected in wide scope
Select, but in order to further improve the intensity of obtained extrusion coating paper, it is preferable that the inorganic filler is made by following methods：
Kaolin, chitin fiber, bamboo fibre, ceramic fibre, starch, titanium oxide, diatomite and yttrium mixed, is heat-treated, grinds
Honed sieve series obtains the inorganic filler.
In the preparation process of above-mentioned extrusion coating paper, each raw material of described inorganic filler has proportioning can be in wide scope
Interior selection, but in order to further improve the intensity of obtained extrusion coating paper, it is preferable that the kaolin, chitin fiber, bamboo are fine
Dimension, ceramic fibre, starch, titanium oxide, the weight ratio of diatomite and yttrium are 100：1-5：3-6：1-5：5-10：6-10：10-15：
0.5-1.5。
In above-mentioned technical proposal, the condition of the heat treatment can select in wide scope, but in order to improve hot place
The mutual synergy between inorganic filler and other raw materials is made in the effect of reason and then raising, it is preferable that the heat treatment
Condition is：Under nitrogen atmosphere, started to warm up from room temperature to 700-800 DEG C and maintain 1h at 700-800 DEG C, wherein, heating rate
For 10-15 DEG C/min；Then direct water-cooling after after being cooled to 100-150 DEG C with 10-15 DEG C/min rate of temperature fall.
In above-mentioned technical proposal, the particle diameter of the inorganic filler can select in wide scope, but in order to improve nothing
Mutual synergy between machine filler and other components, and then the intensity of extrusion coating paper made from raising, it is preferable that described inorganic
The average grain diameter filled out is 400-500 μm.
In above-mentioned technical proposal, the condition of the boiling can select in wide scope, but in order to improve boiling
The intensity of extrusion coating paper made from effect and then raising, it is preferable that the boiling meets following condition：Boiling temperature is 110-200
DEG C, and/or digestion time is 4-6 days.
In above-mentioned technical proposal, the white condition of the solarization can select in wide scope, but shine white to improve
Effect and then raising preparation efficiency, it is preferable that the solarization meets following condition in vain：White temperature is shone for 15-35 DEG C, and shining the white time is
The 2-3 months.
In above-mentioned technical proposal, the species of the chitin fiber can select in wide scope, but in order to improve
The antibacterial effect of obtained extrusion coating paper, it is preferable that the chitin fiber by one kind in shrimp, crab, locust, snail and centipede or
Extraction obtains in a variety of body shells.
In above-mentioned technical proposal, the species of the starch can select in wide scope, but obtained in order to improve
The antibacterial effect and intensity of extrusion coating paper, it is preferable that the starch be green starch, tapioca, sweet potato starch, starch from sweet potato,
One or more in farina, wheat kind of starch, water caltrop starch, Rhizoma Nelumbinis starch and cornstarch.
The present invention will be described in detail by way of examples below.
Preparation example 1
Kaolin, chitin fiber (are extracted from into the body shell of shrimp, crab, snail and centipede according to 1：1：1：2 weight is than mixed
In fit shell), bamboo fibre, ceramic fibre, (green starch, tapioca, sweet potato starch and cornstarch are according to 1 for starch：1：2：
1 weight is than mixing), titanium oxide, diatomite and yttrium be according to 100：1：3：1：5：6：10：0.5 weight ratio is mixed；Connect
, under nitrogen atmosphere, started to warm up from room temperature to 700 DEG C and maintain 1h at 700 DEG C, wherein, heating rate is 10 DEG C/min；Connect
Direct water-cooling after after being cooled to 100 DEG C with 10 DEG C/min rate of temperature fall；Finally, it is 400 μ that ground sieve series, which obtains average grain diameter,
The m inorganic filler；It is denoted as W1.
Preparation example 2
Kaolin, chitin fiber (are extracted from into the body shell of shrimp, crab, locust, snail and centipede according to 1：1：1：2：1
Weight than mixing body shell in), bamboo fibre, ceramic fibre, starch (sweet potato starch, starch from sweet potato, farina, wheat kind of starch,
Water caltrop starch, Rhizoma Nelumbinis starch and cornstarch are according to 1：1：2：1：1：1：1 weight is than mixing), titanium oxide, diatomite and yttrium according to
100：3：4：3：8：8：12：1.2 weight ratio is mixed；Then, under nitrogen atmosphere, started to warm up from room temperature to 750 DEG C simultaneously
1h is maintained at 750 DEG C, wherein, heating rate is 15 DEG C/min；Then after after being cooled to 150 DEG C with 15 DEG C/min rate of temperature fall
Direct water-cooling；Finally, ground sieve series obtains the inorganic filler that average grain diameter is 450 μm；It is denoted as W2.
Preparation example 3
Kaolin, chitin fiber (are extracted from into shrimp, crab, locust, snail and centipede body shell according to 1：1：1：1：2 weight
Amount is than in mixing body shell), bamboo fibre, ceramic fibre, Rhizoma Nelumbinis starch, titanium oxide, diatomite and yttrium be according to 100：5：6：5：10：10：
15：1.5 weight ratio is mixed；Then, under nitrogen atmosphere, started to warm up from room temperature to 800 DEG C and maintain 1h at 800 DEG C,
Wherein, heating rate is 15 DEG C/min；Then direct water-cooling after after being cooled to 150 DEG C with 15 DEG C/min rate of temperature fall；Finally,
Ground sieve series obtains the inorganic filler that average grain diameter is 500 μm；It is denoted as W3.
Preparation example 4
The inorganic filler is prepared Following the procedure of Example 1；W4 is denoted as, the difference is that the heating speed in heat treatment process
Rate is 20 DEG C/min.
Preparation example 5
The inorganic filler is prepared Following the procedure of Example 1；W5 is denoted as, the difference is that the heating speed in heat treatment process
Rate is 20 DEG C/min.
Preparation example 6
The inorganic filler is prepared Following the procedure of Example 1；W6 is denoted as, the difference is that not adding chitin fibre in raw material
Dimension.
Preparation example 7
The inorganic filler is prepared Following the procedure of Example 1；W7 is denoted as, the difference is that not adding bamboo fibre in raw material.
Preparation example 8
The inorganic filler is prepared Following the procedure of Example 1；W8 is denoted as, the difference is that not adding ceramic fibre in raw material
Dimension.
Preparation example 9
The inorganic filler is prepared Following the procedure of Example 1；W9 is denoted as, the difference is that not adding starch in raw material.
Preparation example 10
The inorganic filler is prepared Following the procedure of Example 1；W10 is denoted as, the difference is that not adding diatomite in raw material.
Preparation example 11
The inorganic filler is prepared Following the procedure of Example 1；W11 is denoted as, the difference is that not adding yttrium in raw material.
Embodiment 1
1) log is starched, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler W1 and limewash is according to 100：30：5：5：5：
15：200 weight ratio is mixed；Then, at 110 DEG C boiling 6 days so that paper pulp is made；Finally, the paper pulp is washed
Material, white (white March is shone at 20 DEG C) is shone, dnockout, paper is dragged for, drain and roast paper with the obtained extrusion coating paper；
2) by low density polyvinyl-chloride film heated and be coated on the surface of the extrusion coating paper with formed plastic layer plus
Work is denoted as A1 so that environment-friendly shopping bag is made.
Embodiment 2
1) log is starched, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler W1 and limewash is according to 100：35：10：8：7：
18：250 weight ratio is mixed；Then, at 150 DEG C boiling 5 days so that paper pulp is made；Finally, the paper pulp is washed
Material, white (being shone at 30 DEG C white 2 months) is shone, dnockout, paper is dragged for, drain and roast paper with the obtained extrusion coating paper；
2) by low density polyvinyl-chloride film heated and be coated on the surface of the extrusion coating paper with formed plastic layer plus
Work is with obtained environment-friendly shopping bag；It is denoted as A2.
Embodiment 3
1) log is starched, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler W1 and limewash is according to 100：40：15：10：
10：20：300 weight ratio is mixed；Then, at 200 DEG C boiling 4 days so that paper pulp is made；Finally, the paper pulp is carried out
Material is washed, white (being shone at 35 DEG C white 2 months) is shone, dnockout, drags for paper, drains and roast paper with the obtained extrusion coating paper；
2) by low density polyvinyl-chloride film heated and be coated on the surface of the extrusion coating paper with formed plastic layer plus
Work is with obtained environment-friendly shopping bag；It is denoted as A3.
Embodiment 4
The environment-friendly shopping bag is prepared Following the procedure of Example 1；It is denoted as A4；Different has used inorganic filler W4 to replace
W1.
Embodiment 5
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as A5；Different has used inorganic filler W5 to replace
W1.
Embodiment 6
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as A6；Different has used inorganic filler W6 to replace
W1.
Embodiment 7
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as A7；Different has used inorganic filler W7 to replace
W1.
Embodiment 8
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as A8；Different has used inorganic filler W8 to replace
W1.
Embodiment 9
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as A9；Different has used inorganic filler W9 to replace
W1.
Embodiment 10
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as A10；Different has used inorganic filler W10 generations
W1 is replaced.
Embodiment 11
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as A11；Different has used inorganic filler W11 generations
W1 is replaced.
Comparative example 1
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as B1；The difference is that nothing is not added in paper pulp raw material
Machine filler W1.
Comparative example 2
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as B2；The difference is that stone is not added in paper pulp raw material
Cotton.
Comparative example 3
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as B3；The difference is that wheat is not added in paper pulp raw material
Stalk.
Comparative example 4
The environment-friendly shopping bag is prepared Following the procedure of Example 1, is denoted as B4；The difference is that bamboo is not added in paper pulp raw material
Leaf.
Detect example 1
A1-A11 and B1-B4 burst index (KPam is determined according to standard GB/T454-2002 method2/ g), specifically
It the results are shown in Table 1.
Detect example 2
Environment-friendly shopping bag A1-A11 and B1-B4 are placed in 25-30 DEG C of open environment, and air humidity is 8 grams
Water/m3, total plate count (n/cfug is detected by national standard GB 4789.2-2010 method after 7 days-1), concrete outcome is shown in Table 1.
Table 1
| Embodiment is numbered | n/cfu·g-1 | Burst index (KPam2/g) |
| A1 | 6 | 17.5 |
| A2 | 7 | 18.3 |
| A3 | 7 | 18.2 |
| A4 | 9 | 15.2 |
| A5 | 10 | 15.1 |
| A6 | 19 | 14.7 |
| A7 | 15 | 14.8 |
| A8 | 13 | 14.5 |
| A9 | 18 | 14.8 |
| A10 | 12 | 14.3 |
| A11 | 12 | 14.1 |
| B1 | 21 | 10.5 |
| B2 | 17 | 10.9 |
| B3 | 15 | 11.4 |
| B4 | 14 | 11.2 |
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, 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 equally be considered as content disclosed in this invention.
Claims (10)
- A kind of 1. preparation method of environment-friendly shopping bag, it is characterised in that including：1) log is starched, the leaf of bamboo, Wheat Straw, straw, asbestos, inorganic filler and limewash is according to 100：30-40：5-15：5-10： 5-10：15-20：200-300 weight ratio is mixed, boiling is with obtained paper pulp；By the paper pulp wash material, shine it is white, beat Paper is expected, drags for paper, drains and roasted so that extrusion coating paper is made；2) by low density polyvinyl-chloride film heated and be coated on the surface of the extrusion coating paper with formed plastic layer, processing with Environment-friendly shopping bag is made.
- 2. preparation method according to claim 1, wherein, the inorganic filler is made by following methods：By kaolin, Chitin fiber, bamboo fibre, ceramic fibre, starch, titanium oxide, diatomite and yttrium are mixed, are heat-treated, grinds sieving The inorganic filler is made.
- 3. preparation method according to claim 2, wherein, the kaolin, chitin fiber, bamboo fibre, ceramic fibre, Starch, titanium oxide, the weight ratio of diatomite and yttrium are 100：1-5：3-6：1-5：5-10：6-10：10-15：0.5-1.5.
- 4. preparation method according to claim 2, wherein, the condition of the heat treatment is：Under nitrogen atmosphere, opened from room temperature Beginning is warming up to 700-800 DEG C and maintains 1h at 700-800 DEG C, wherein, heating rate is 10-15 DEG C/min；Then with 10-15 DEG C/min rate of temperature fall be cooled to 100-150 DEG C after after direct water-cooling.
- 5. preparation method according to claim 2, wherein, the average grain diameter of the inorganic filler is 400-500 μm.
- 6. according to the preparation method described in any one in claim 1-5, wherein, the boiling meets following condition：Boiling Temperature is 110-200 DEG C, and/or digestion time is 4-6 days.
- 7. according to the preparation method described in any one in claim 1-5, wherein, the solarization meets following condition in vain：Shine white Temperature is 15-35 DEG C, and it is the 2-3 months to shine the white time.
- 8. preparation method according to claim 2, wherein, the chitin fiber is by shrimp, crab, locust, snail and centipede In one or more body shells in extract and obtain.
- 9. preparation method according to claim 2, wherein, the starch be green starch, tapioca, sweet potato starch, One or more in starch from sweet potato, farina, wheat kind of starch, water caltrop starch, Rhizoma Nelumbinis starch and cornstarch.
- 10. environment-friendly shopping bag made from the preparation method in a kind of 1-9 as claim described in any one.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710722045.3A CN107471739A (en) | 2017-08-22 | 2017-08-22 | environment-friendly shopping bag and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710722045.3A CN107471739A (en) | 2017-08-22 | 2017-08-22 | environment-friendly shopping bag and preparation method thereof |
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Family
ID=60601458
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| CN201710722045.3A Pending CN107471739A (en) | 2017-08-22 | 2017-08-22 | environment-friendly shopping bag and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108842511A (en) * | 2018-05-25 | 2018-11-20 | 安徽银兔装饰材料有限公司 | Wallpaper fire-retardant filler and preparation method thereof |
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Application publication date: 20171215 |
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