CN106522027A - Disposable paper cup convenient to recycle and preparation method thereof - Google Patents

Disposable paper cup convenient to recycle and preparation method thereof Download PDF

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Publication number
CN106522027A
CN106522027A CN201611117592.0A CN201611117592A CN106522027A CN 106522027 A CN106522027 A CN 106522027A CN 201611117592 A CN201611117592 A CN 201611117592A CN 106522027 A CN106522027 A CN 106522027A
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CN
China
Prior art keywords
paper cup
auxiliary layer
precipitation
disposable paper
reclaim
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Granted
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CN201611117592.0A
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Chinese (zh)
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CN106522027B (en
Inventor
王炳煊
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XIAMEN QUANSHUN PAPER&PLASTICS CONTAINER Co Ltd
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XIAMEN QUANSHUN PAPER&PLASTICS CONTAINER Co Ltd
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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
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/82—Paper comprising more than one coating superposed
    • D21H19/826—Paper comprising more than one coating superposed two superposed coatings, the first applied being pigmented and the second applied being non-pigmented
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • 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
    • D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
    • D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
    • D21H15/10—Composite fibres
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/38—Coatings with pigments characterised by the pigments
    • D21H19/40—Coatings with pigments characterised by the pigments siliceous, e.g. clays
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/50—Proteins
    • 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
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch

Abstract

The invention provides a disposable paper cup convenient to recycle and a preparation method of the disposable paper cup convenient to recycle. According to the paper cup, a white cardboard is adopted as a base material, the white cardboard is coated with a precipitation assisting layer, and the precipitation assisting layer is coated with a PE film; and the precipitation assisting layer comprises 20-30 parts of ceramic powder, 15-25 parts of carbon powder, 5-15 parts of plant fibers, 20-35 parts of titanium dioxide, 15-20 parts of oyster shell powder and 7-16 parts of a tackifier. When the paper cup prepared by the method is recycled, the PE film is easily separated from the white cardboard, so that the white cardboard is recycled conveniently; and the precipitation assisting layer is coated with the PE film, and a carbonyl compound generated by the oxidation of the PE film can be reduced due to the reduction of the carbon powder in the precipitation assisting layer.

Description

A kind of Disposable paper cup for being easy to reclaim and preparation method thereof
Technical field
The present invention relates to disposable paper articles for use field, more particularly to a kind of Disposable paper cup for being easy to reclaim and its preparation Method.
Background technology
In life, we often use various Disposable paper cups, and the annual whole world about consumes 2,00,000,000,000 dixie cups at present, Because easy to carry, many fast food restaurants, milk tea paving, cafe all provide paper beverage cup to dixie cup.In the impression of people, dixie cup is returned Receive recycling to be easy to, can such as be processed into recycled writing paper, however it is true really not so.
It is paper cup to currently use most common, and outside is one layer of paper, and the inside is one layer of leaching membrane paper, is a kind of interior polyethylene Plastic foil.Although outer layer is paper, but contact food is inner plastic film, therefore this cup is defined as dixie cup and still moulds Material cup, has dispute.
The investigation that Britain announces recently is pointed out, although dixie cup is mainly made up of white board, due to having on the inside of dixie cup The vinyon film of thin layer is difficult to separate, it is difficult to carry out recycling.
In China, the recycling of dixie cup is equally faced awkwardness, and China will sell 10,000,000,000 Disposable paper cups every year. After these dixie cups go out of use, returned enterprise is all unwilling to want, because layer of polyethylene plastics film has been applied outside dixie cup, it is difficult to point From, and plastics only have thin layer, only account for the 5% of dixie cup weight, plastic molding and processing plant is also unwilling to want, and finally can only burn as rubbish Burn.
Dixie cup can apply layer of polyethylene water-separating film in inwall aborning in order to reach water proof effect, and polyethylene is food Safest chemical substance in processing, but if selected material is bad or processing technology does not pass a test, polyethylene heat or During being applied to dixie cup, carbonyls may be oxidized to.
Carbonyls is not volatile at normal temperatures, but when dixie cup pours hot water into, it is possible to evaporate, so people Can smell has strange taste, takes in this organic compound for a long time, must be harmful to human body.
The content of the invention
It is difficult to separate and inconvenience recovery and polyethylene film appearance to solve above-mentioned dixie cup and polyethylene leaching membrane paper The oxidizable problem for generating carbonyls, the present invention provide a kind of Disposable paper cup be easy to and reclaim and preparation method thereof, paper Cup is coated with precipitation auxiliary layer using art post paperboard as base material in the art post paperboard, PE pouring is coated with the precipitation auxiliary layer Film；Wherein, the precipitation auxiliary layer is obtained by the raw material of following weight：
Wherein, PE films are used as the internal layer of dixie cup.
Further, the tackifier are food-grade tackifier.
Further, the tackifier are the mixture of gelatin and glutinous rice flour, wherein：Gelatin 3-15 parts, glutinous rice flour 2-10 Part.
Further, the precipitation auxiliary layer is obtained by the raw material of following weight：
Further, the string is selected from wood chip, bamboo scraps, rice husk, wheat husk, peanut shell, soybean peel, bagasse, water At least one in rice straw, wheat straw, cotton stalk, hemp stalk fiber.
Further, the powdered carbon is selected from least one of coal, timber, shell, coconut husk, walnut shell, apricot shell, jujube shell material Made active carbon powder.
Further, the titanium dioxide is selected from food-grade titanium dioxide.
Further, 0.5-1.2 times for art post paperboard thickness of the thickness of the precipitation auxiliary layer.
A kind of a kind of as described in any of the above item is easy to the preparation method of the Disposable paper cup for reclaiming to be：
Step 1：Titanium dioxide, string and water are mixed with the rotating speed stirring of 100rpm-200rpm at 50 DEG C 20min-50min, forms mixture A；
Step 2：At 40 DEG C, ceramic powder, oyster shell powder and water, turning with 150rpm-250rpm are added toward mixture A Speed stirring mixing 20min-60min, forms mixture B；
Step 3：The mixture B formed in step 2 is cooled to into room temperature, powdered carbon and water is added with 300rpm-350rpm's Rotating speed stirring mixing 25min-70min, forms mixture C；
Step 4：Mixture C in step 3 is heated to into 60 DEG C -110 DEG C, tackifier and water is added, with 450rpm- The rotating speed stirring mixing 55min-300min of 600rpm is cooled to room temperature, is precipitated auxiliary layer material to thick；
Step 5：The precipitation obtained in step 4 auxiliary layer material is coated uniformly in art post paperboard by film applicator, and it is cold But it is dried, that is, completes to precipitate the coating of auxiliary layer；
Step 6：After the coating that step 5 completes precipitation auxiliary layer, then PE films are coated in into precipitation auxiliary with film applicator On layer, cool down and be dried, that is, complete the preparation of paper cup material；
Step 7：The paper cup material prepared in step 6 is made into Disposable paper cup.
A kind of Disposable paper cup for being easy to reclaim that the present invention is provided and preparation method thereof, the dixie cup prepared using this method When reclaiming, PE films are can be easily separated with art post paperboard, are easy to the recycling of art post paperboard；By PE films are coated in precipitation On auxiliary layer, the reproducibility and adsorptivity of the powdered carbon in precipitation auxiliary layer can reduce the oxidation of PE films and generate carbonylation Compound.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are these Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of Disposable paper cup material structure schematic diagram for being easy to recovery prepared by the present invention；
Fig. 2 is the structural representation of the dixie cup prepared by the present invention；
Fig. 3 is to reclaim separation schematic diagram when being beaten by dixie cup prepared by the present invention；
Fig. 4 is separation schematic diagram of the control sample when beating is reclaimed.
Reference：
1 PE films 2 precipitate 3 art post paperboard of auxiliary layer
4 first coloured mixed layer, 5 second coloured mixed layer
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is The a part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
The embodiment of the present invention is shown in Table 1:
Table 1
Embodiment one
Step 1：22 parts of titanium dioxides, 8 parts of strings and 20 parts of water are mixed with the rotating speed stirring of 150rpm at 50 DEG C 40min, forms mixture A；
Step 2：At 40 DEG C, 20 parts of ceramic powders, 15 parts of oyster shell powders and 15 parts of water are added toward mixture A, with The rotating speed stirring mixing 60min of 250rpm, forms mixture B；
Step 3：The mixture B formed in step 2 is cooled to into room temperature, 16 parts of powdered carbons and 5 parts of water is added with 300rpm's Rotating speed stirring mixing 70min, forms mixture C；
Step 4：The mixture C formed in step 3 is heated to into 100 DEG C, 6 parts of gelatin, 5 parts of glutinous rice flours and 10 parts are added Water, with the rotating speed stirring mixing 100min-200min of 450rpm to thick, is cooled to room temperature, is precipitated auxiliary layer material；
Step 5：The precipitation auxiliary layer material obtained in step 4 is coated uniformly on into the thick white cards of 0.5mm by film applicator On paper, coating thickness is 0.3mm, and cool drying, that is, complete to precipitate the coating of auxiliary layer；
Step 6：After the coating that step 5 completes precipitation auxiliary layer, then PE films are coated in into precipitation auxiliary with film applicator On layer, cool down and be dried, that is, complete the preparation of paper cup material；
Step 7：The paper cup material prepared in step 6 is made into Disposable paper cup.
Embodiment two
Step 1：26 parts of titanium dioxides, 9 parts of strings and 25 parts of water are mixed with the rotating speed stirring of 150rpm at 50 DEG C 40min, forms mixture A；
Step 2：At 40 DEG C, 23 parts of ceramic powders, 18 parts of oyster shell powders and 20 parts of water are added toward mixture A, with The rotating speed stirring mixing 60min of 250rpm, forms mixture B；
Step 3：The mixture B formed in step 2 is cooled to into room temperature, 18 parts of powdered carbons and 10 parts of water is added with 300rpm's Rotating speed stirring mixing 70min, forms mixture C；
Step 4：The mixture C formed in step 3 is heated to into 100 DEG C, 5 parts of gelatin, 6 parts of glutinous rice flours and 15 parts are added Water, with the rotating speed stirring mixing 100min-200min of 450rpm to thick, is cooled to room temperature, is precipitated auxiliary layer material；
Step 5：The precipitation auxiliary layer material obtained in step 4 is coated uniformly on into the thick white cards of 0.5mm by film applicator On paper, coating thickness is 0.3mm, and cool drying, that is, complete to precipitate the coating of auxiliary layer；
Step 6：After the coating that step 5 completes precipitation auxiliary layer, then PE films are coated with film applicator, cool down and be dried, The preparation of paper cup material is completed；
Step 7：The paper cup material prepared in step 6 is made into Disposable paper cup.
Embodiment three
Step 1：28 parts of titanium dioxides, 12 parts of strings and 40 parts of water are mixed with the rotating speed stirring of 150rpm at 50 DEG C 40min, forms mixture A；
Step 2：At 40 DEG C, 25 parts of ceramic powders, 16 parts of oyster shell powders and 25 parts of water are added toward mixture A, with The rotating speed stirring mixing 60min of 250rpm, forms mixture B；
Step 3：The mixture B formed in step 2 is cooled to into room temperature, 20 parts of powdered carbons and 20 parts of water is added with 300rpm's Rotating speed stirring mixing 70min, forms mixture C；
Step 4：The mixture C formed in step 3 is heated to into 100 DEG C, 8 parts of gelatin, 3 parts of glutinous rice flours and 15 parts are added Water, with the rotating speed stirring mixing 100min-200min of 450rpm to thick, is cooled to room temperature, is precipitated auxiliary layer material；
Step 5：The precipitation auxiliary layer material obtained in step 4 is coated uniformly on into the thick white cards of 0.5mm by film applicator On paper, coating thickness is 0.3mm, and cool drying, that is, complete to precipitate the coating of auxiliary layer；
Step 6：After the coating that step 5 completes precipitation auxiliary layer, then PE films are coated with film applicator, cool down and be dried, The preparation of paper cup material is completed；
Step 7：The paper cup material prepared in step 6 is made into Disposable paper cup.
Wherein, ceramic powder is preferably aluminium oxide ceramics powder, and aluminium oxide ceramics powder is nonpoisonous and tasteless, with particle size stable, abrasion Low, corrosion-resistant, the resistant to elevated temperatures feature of degree, it is possible to increase the service life of dixie cup；
And ceramic powder and using the density of oyster shell powder be all higher than the density of general paper, such as ceramic powder is 3.6g/cm3With On, and the density of general paper is 0.7g/cm3-1.4g/cm3, therefore ceramic powder and oyster shell powder are conducive to increase precipitation auxiliary layer Density, PE films be attached to precipitation auxiliary layer on, in the recovery process of dixie cup, PE films can with precipitation auxiliary layer together with Paper pulp is separated.
The characteristics of titanium dioxide has stable chemical nature, wear-resisting, corrosion-resistant, heat resistance, can anti-aging, improve dixie cup Service life；
Titanium dioxide has good adhesive force, can make preparation precipitation auxiliary layer and PE film strong bondeds；
Titanium dioxide has good heat absorption capacity, and when the PE films of melting are coated in precipitation auxiliary layer, titanium dioxide can make The temperature of PE films is reduced rapidly, reduces the oxidation reaction that PE films occur in high temperature；
In addition the density of titanium dioxide is 3.8g/cm3-4.2g/cm3, titanium dioxide be conducive to increase precipitation auxiliary layer density, PE films are attached on precipitation auxiliary layer, in the recovery process of dixie cup, and PE films can be divided with paper pulp together with precipitation auxiliary layer From.
By adding string, each composition strong bonded of precipitation auxiliary layer can be made, and mechanical performance is more excellent.
Powdered carbon has good reproducibility and adsorptivity, and according to specific needs, powdered carbon can use active carbon powder, when molten When the PE films melted are coated on precipitation auxiliary layer by film applicator, the reproducibility that powdered carbon has can largely prevent PE from drenching Carbonyls generated and oxidation reaction in film there is；The adsorption capacity that powdered carbon has can also adsorb PE films makes generation carbonyl compound Thing, does not distribute to dixie cup in making carbonyls be attached to precipitation auxiliary layer.
Gelatin has good cohesive, film forming, thickening property, tackifying and stability, using a small amount of food-grade gelatin As tackifier, precipitation auxiliary layer can be made more securely to be coated in art post paperboard；Gelatin also has certain reproducibility and inhales Attached property, can to a certain degree prevent PE films from oxidation reaction occurring and generate carbonyls, and can adsorb PE films product well Raw carbonyls, does not distribute to dixie cup in making carbonyls be attached to precipitation auxiliary layer.
Glutinous rice flour has good tackifying, guarantee can be made to precipitate each composition strong bonded of auxiliary layer, and make precipitation Auxiliary layer stronger can be coated in art post paperboard.
Preferably, the tackifier that glutinous rice flour and gelatin are formed can also be used alone, and be coated in precipitation auxiliary layer and Bai Ka Between paper, so in subsequent recovery so that easily separate after precipitation auxiliary layer and art post paperboard immersion.
As PE films and the precipitation auxiliary layer of molten condition are stained with stickiness and are stained with stickiness than precipitate auxiliary layer and art post paperboard Height, therefore, precipitation auxiliary layer and the degree of being firmly combined with of PE films prepared by the present invention are more than the knot of precipitation auxiliary layer and art post paperboard Close firmness.
It is easy to the Disposable paper cup material for reclaiming as shown in figure 1, by made by paper cup material one by prepared by the present invention As shown in Fig. 2 wherein, outer layer of the art post paperboard 3 for dixie cup, internal layer of the PE films 1 as dixie cup precipitate auxiliary layer 2 to secondary property dixie cup Between art post paperboard 3 and PE films 1.
By same size, the dixie cup conduct sold on the dixie cup of the embodiment of the present invention preparation of same thickness and 2 sections of markets Control sample is tested, and is obtained such as the experimental result of table 2：
Table 2
Test specification
It is leakage：Dixie cup is loaded onto into equivalent (filling), the water of equitemperature (normal temperature, 25 DEG C), how long test can leak；
Temperature tolerance：Dixie cup is loaded onto into equivalent (filling), the water of different temperatures, how long test dixie cup can leak；
Compatibility：Dixie cup is loaded onto into equivalent (filling), how long the different liquids of equitemperature (normal temperature, 25 DEG C) test dixie cup Time can leak.
From table 2 it can be seen that by the dixie cup prepared by the method for providing of the invention in leakage aspect and commercially available dixie cup It is more or less the same；Using frozen water (0 DEG C), 60 DEG C and 100 DEG C of water carries out temperature tolerance experiment, it can be seen that provided by the present invention Dixie cup prepared by method has preferably cold-resistant and heat resistance compared with commercially available dixie cup；
Using milk, edible oil and cola carry out compatible experiment, it can be seen that the method provided by the present invention is made Compared with commercially available dixie cup, compatibility more preferably, can adapt to the use of different liquids to standby dixie cup.
By same size, the dixie cup sold on dixie cup prepared by the embodiment of the present invention of same thickness and 2 sections of markets is put into Heating mantle carries out Heating Experiment, and whether test dixie cup has emission of bad smell at different temperature, and experimental result is as shown in table 3：
Table 3
During polyethylene is heated or is applied to dixie cup, carbonyls may be oxidized to, carbonyls is in normal temperature Under it is not volatile, but when dixie cup pours hot water into, will evaporate, so can smell that peculiar smell is had；It can be seen from Table 3 that, The dixie cup prepared by method that the present invention is provided carries out Heating Experiment in leakage aspect and commercially available dixie cup, and commercially available dixie cup is 90 DEG C, or even begin to produce peculiar smell at 70 DEG C, and the dixie cup prepared by the method that the present invention is provided just starts to produce gently at 120 DEG C Micro- peculiar smell, it is carbonyls to illustrate that the method for present invention offer inhibits polyethylene oxide to a great extent, and is reduced The volatilization of carbonyls.General boiling water is 100 DEG C, therefore the dixie cup prepared by the method for present invention offer can be protected The security that card is used.
Leaching membrane layer in dixie cup prepared by the embodiment of the present invention and the dixie cup sold on 2 sections of markets carries out colouring process； By same size, same thickness, the dixie cup difference sold on the dixie cup of the embodiment of the present invention preparation of equal number and 2 sections of markets Tear up, and be respectively put in the different stirring vessel of specification identical, carry out 3 being staticly settled after beating is processed 5 hours at 60 DEG C Hour, the experimental result for obtaining is as shown in table 4：
Table 4
It can be seen from Table 4 that, after beating, in dixie cup prepared by the embodiment of the present invention, coloured mixed layer is layered with paper pulp, And coloured mixed layer is lower floor, paper pulp is upper strata；And control sample coloured mixed layer after beating process is mixed with paper pulp, nothing point Layer phenomenon.As shown in Figure 3 and Figure 4, Fig. 3 is that dixie cup prepared by the present invention is reclaiming dividing when being beaten to separation schematic diagram after beating From schematic diagram, the paper pulp that art post paperboard 3 is formed is located at upper strata, the first coloured mixed layer 4 that PE films 1 and precipitation auxiliary layer 2 are formed Positioned at lower floor；Fig. 4 is that control sample is reclaiming separation schematic diagram when being beaten, PE films 1, precipitation 3 nothing of auxiliary layer 2 and art post paperboard Method is separated, and forms the second coloured mixed layer 5.Illustrate by the present invention provide method prepared by dixie cup can well with PE films are separated, and when dixie cup is recycled, are conducive to recycling pulp recovery.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme, rather than a limitation；To the greatest extent Pipe has been described in detail to the present invention with reference to foregoing embodiments, it will be understood by those within the art that：Its according to So the technical scheme described in foregoing embodiments can be modified, or which part or all technical characteristic are entered Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology The scope of scheme.

Claims (9)

1. it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that：Dixie cup adopts art post paperboard as base material, in the art post paperboard Precipitation auxiliary layer is coated with, on the precipitation auxiliary layer, PE films is coated with；Wherein, auxiliary layer is precipitated by following weight Raw material be obtained：
Wherein, PE films are used as the internal layer of dixie cup.
2. it is according to claim 1 it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that：The tackifier are food Level tackifier.
3. it is according to claim 2 it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that the tackifier be gelatin With the mixture of glutinous rice flour, wherein：Gelatin 3-15 parts, glutinous rice flour 2-10 parts.
4. it is according to claim 3 it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that the precipitation auxiliary layer by The raw material of following weight is obtained：
5. it is according to claim 1 it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that：The string is selected from In wood chip, bamboo scraps, rice husk, wheat husk, peanut shell, soybean peel, bagasse, rice straw, wheat straw, cotton stalk, hemp stalk fiber at least It is a kind of.
6. it is according to claim 1 it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that：The powdered carbon selected from coal, The active carbon powder of at least one of timber, shell, coconut husk, walnut shell, apricot shell, jujube shell made by material.
7. it is according to claim 1 it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that：The titanium dioxide is selected from food Grade titanium dioxide.
8. it is according to claim 1 it is a kind of be easy to reclaim Disposable paper cup, it is characterised in that：The precipitation auxiliary layer is applied 0.5-1.2 times for art post paperboard thickness of the thickness for covering.
9. a kind of a kind of preparation method of the Disposable paper cup for being easy to reclaim according to any one of claim 1-8 is：
Step 1：Titanium dioxide, string and water are mixed into 20min- with the rotating speed stirring of 100rpm-200rpm at 50 DEG C 50min, forms mixture A；
Step 2：At 40 DEG C, ceramic powder, oyster shell powder and water are added toward mixture A, is stirred with the rotating speed of 150rpm-250rpm Mixing 20min-60min is mixed, mixture B is formed；
Step 3：The mixture B formed in step 2 is cooled to into room temperature, powdered carbon and water is added with the rotating speed of 300rpm-350rpm Stirring mixing 25min-70min, forms mixture C；
Step 4：Mixture C in step 3 is heated to into 60 DEG C -110 DEG C, tackifier and water is added, with 450rpm-600rpm's Rotating speed stirring mixing 55min-300min is cooled to room temperature, is precipitated auxiliary layer material to thick；
Step 5：The precipitation obtained in step 4 auxiliary layer material is coated uniformly in art post paperboard by film applicator, and is cooled down dry It is dry, that is, complete to precipitate the coating of auxiliary layer；
Step 6：After the coating that step 5 completes precipitation auxiliary layer, then PE films are coated on precipitation auxiliary layer with film applicator, Cool down and be dried, that is, complete the preparation of paper cup material；
Step 7：The paper cup material prepared in step 6 is made into Disposable paper cup.
CN201611117592.0A 2016-12-07 2016-12-07 A kind of Disposable paper cup for being easy to recovery and preparation method thereof Active CN106522027B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476134A (en) * 2017-08-01 2017-12-15 常州欧康铭化工有限公司 A kind of kraft inner paper
CN108951292A (en) * 2018-07-11 2018-12-07 安庆市恒原纸塑有限公司 A kind of high thermal insulation dixie cup
CN109653021A (en) * 2018-11-21 2019-04-19 珠海华丰纸业有限公司 A kind of preparation method of stereo anti-fake art post paperboard
CN112389014A (en) * 2020-11-02 2021-02-23 安徽省万美纸塑有限公司 Disposable double-layer threaded paper cup

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Publication number Priority date Publication date Assignee Title
WO2006035761A1 (en) * 2004-09-30 2006-04-06 Nippon Paper Industries, Co., Ltd. Laminated sheet
CN103044760A (en) * 2013-01-05 2013-04-17 张东 Degradable environment-friendly plastic and preparation method thereof
CN103951456A (en) * 2014-04-15 2014-07-30 陕西科技大学 Ultralight paper clay and preparation method thereof
CN205410683U (en) * 2015-12-04 2016-08-03 湖南优立渴科技发展有限公司 Environmental protection paper cup of easy degradation

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035761A1 (en) * 2004-09-30 2006-04-06 Nippon Paper Industries, Co., Ltd. Laminated sheet
CN103044760A (en) * 2013-01-05 2013-04-17 张东 Degradable environment-friendly plastic and preparation method thereof
CN103951456A (en) * 2014-04-15 2014-07-30 陕西科技大学 Ultralight paper clay and preparation method thereof
CN205410683U (en) * 2015-12-04 2016-08-03 湖南优立渴科技发展有限公司 Environmental protection paper cup of easy degradation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476134A (en) * 2017-08-01 2017-12-15 常州欧康铭化工有限公司 A kind of kraft inner paper
CN108951292A (en) * 2018-07-11 2018-12-07 安庆市恒原纸塑有限公司 A kind of high thermal insulation dixie cup
CN109653021A (en) * 2018-11-21 2019-04-19 珠海华丰纸业有限公司 A kind of preparation method of stereo anti-fake art post paperboard
CN112389014A (en) * 2020-11-02 2021-02-23 安徽省万美纸塑有限公司 Disposable double-layer threaded paper cup

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