CN101168945A - Method for preparing coated paper products with biodegradable surface layer and used device thereof - Google Patents
Method for preparing coated paper products with biodegradable surface layer and used device thereof Download PDFInfo
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- CN101168945A CN101168945A CNA2006101503234A CN200610150323A CN101168945A CN 101168945 A CN101168945 A CN 101168945A CN A2006101503234 A CNA2006101503234 A CN A2006101503234A CN 200610150323 A CN200610150323 A CN 200610150323A CN 101168945 A CN101168945 A CN 101168945A
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Abstract
The invention relates to a preparation method of a film coating paper product, on the surface of which biological decomposition can be performed, and used equipment thereof, a paper surface before being coated is processed by a surface processor, simultaneously, heating is performed to the paper surface, and then polylactic acid and barley sugar are applied to be mixed polylactic acid compound as coating raw material, the coating raw material is extruded and heated into a thin film by penetrating through a film coating machine to be covered on the surface of the paper which is electrically shocked and enlarged capillary bore by the surface processor, and then the thin film is covered on the surface of the paper by a heating runner wheel and simultaneously rolled, to improve the compactness of a coating film attached on the surface of the paper, and then the thin film on the paper is electrically shocked by the surface processor and after the capillary bore is produced, cool down is performed by penetrating through the rolling of a cooling runner wheel, thereby leading the thin film to being covered on the paper and performing instant forming, and the coating film is covered on the forming paper to be rolled. The resolvable coating film finished product manufactured by the method also can penetrate through the capillary bore, thereby leading the resolvable thin film to naturally produce dropout within a shortest time, and reaching the environmental protection effect of the product paper.
Description
Technical field
The present invention relates to a kind of environment-friendly type top layer biodegradable method for preparing coated paper products and equipment therefor thereof, what these paper products were surface layer coated films, and mixes the polylactic acid composition that forms for PLA adds maltose.
Background technology
General paper product (as: dixie cup, paper bowl, carton and boxed cassette made of paper, beverage carton etc.), unlikely generation seepage situation when taking up food for making, usually can be at the scraps of paper inner face of paper product, coating one deck PE films, even make product that liquid capacity filling is provided or contain the article of moisture, the situation that can not leak outside, for paper product, polyethylene (PE) is filmed and is equaled a kind of protection against leakage and strengthening action; Only this kind PE film because of viscosity higher; be combining of very airtight shape with paper; therefore desire is separated it fully with the scraps of paper; be quite difficult; in the time of can not separating smoothly with the scraps of paper when filming; the regeneration that its paper product reclaims promptly can be hindered, and is that the maximum puzzlement place that is faced is reclaimed in present paper wood environmental protection in fact, is difficult for becoming the heavy burden that rubbish is reclaimed in environmental protection because of handling.
The problem of its existence:
1. the PE of general prior art paper product films, and except producing the decomposition, more can produce noxious material when burning, and will damage human body.
2. because PE films quite firmly with combining of the scraps of paper, desiring to make smooth and complete the peeling off with the scraps of paper of filming during recovery, is quite difficult in fact, because the work difficulty height on handling is time-consuming again, therefore can make the cost of its recycling higher, does not have an economic benefit.
3. this PE paper products of filming, if in placing into the soil, can't natural decomposition, destroy the ecological environment of the Nature easily.
4. if can decompose polyethylene composite directly to the paper coating of filming, then because of this raw material inside has other additive, and the polyethylene polymer composition is reduced, thereby reduce this tackness, the effect that making films fits reduces, and is easy to generate defective products.
Summary of the invention
The purpose of this invention is to provide a kind of biolytic environment-friendly paper goods in coated paper products top layer and device thereof of promoting.
The present invention does not use the resin raw material of polyethylene kind, but mix into the raw material of filming of polylactic acid composition with PLA (PLA) and maltose (Moltose), see through film applicator this raw material heating of filming is squeezed out a film, enlarged on the paper surface of pore by the surface treating machine electric shock and be coated on, through the heating rolling wheel this film is coated in the paper top layer again and gives spreading simultaneously, film with lifting and to be attached to tightness on the paper surface, again after the film on surface treating machine (CORONA) the electric shock paper also produces pore, see through cooling rolling wheel spreading cooling, make film be coated in moment typing on the paper, and the typing paper of this coating of filming is rolled into volume on reel; Whereby, use the finished product of filming that decomposes that this method for making finishes, in order to make various paper product, these paper products can utilize that the biology in the oxygen and moisture content, light and soil makes its decomposition in the air, and pore is easy to infiltration, making this can divide degrading film to produce naturally at short notice comes off, do not add resin material, but have and similar materialization of plastic products and occupation mode, not only meet environmental protection trend, still can ensure safe and sanitary and mass-produced demand, and then reach the environmental benefit that paper products reclaim.
The present invention reaches between 40 ℃ to 60 ℃ heat on the paper surface before filming, and makes the film applicator heating squeeze out about 190 ℃ of films and is coated on the paper, is coated in temperature on the paper and wants the unlikely generation phenomenon of excessively lowering the temperature, with the tightness of adhering to of lifting film.The paper surface heating of the present invention before the paper of filming can be adopted heater.
When the present invention is coated in paper at film, this film is coated in the paper top layer gives spreading simultaneously, and promote to film and be attached to tightness on the paper surface through 40 ℃ to 55 ℃ heating rolling wheels.
The present invention sees through 20 ℃ to 25 ℃ cooling rolling wheel spreadings cooling after film is coated in paper, be coated in moment typing on the paper so that film to be provided.
PLA (the PLA that the present invention uses, Polylactide), become lactic acid (Lactic Acid) again through aggregating into PLA (Polylactide) the raw material grain that can apply to plastic processing, neither interpolation resin material in its raw material and the processing by the glucose fermentation that contains in the plant resources.
The maltose that the present invention uses is high viscosity maltose (Moltose).
Polylactic acid composition of the present invention is to be mixed into good with PLA about 90% and about 10% weight of maltose.
Application surface processor electric shock paper of the present invention and film surface form pore, can be at short notice, by airborne oxygen and moisture content light, or the bottom that the biology in the soil gos deep into pore is gnawed, make film decompose the disengaging paper voluntarily, therefore need not spend expensive processing expenditure, reach the application that meets economic benefit.
Method for making of the present invention passes through to detect the acceptance test of unit the sixth of the twelve Earthly Branches, proves that the present invention can decompose and the generation obscission in the short time internal cause really, therefore have feasibility, examines the survey report portion (seeing also the annex of survey report) of additional copy invention.
The present invention also provides a kind of biodegradable coated paper products equipment therefor in top layer for preparing, comprising:
The first surface processor is located at the appropriate location, paper surface top of transmission, and is positioned at before the heater, enlarges the paper pore with electric shock;
One heater was located at before the inlet port of heating rolling wheel, made paper have temperature and avoided film excessively to lower the temperature, to promote the applying degree;
One film applicator is located at heating rolling wheel top, squeezes out polylactic acid composition with heating and forms about 190 ℃ of films, enters heating rolling wheel and paper then and fits;
One heating rolling wheel is heated to proper temperature, and is located at the below of this film applicator, avoids the film cooling when spreading film and paper, to promote its applying adaptation;
The second surface processor is located at the appropriate location after the heating rolling wheel spreading, and the thin-film electro on the paper is hit pore, carries out biological decomposition to go deep into bottom;
One cools off rolling wheel, is located at the rear of this two surface treating machine, and the moment typing is carried out in cooling;
One reel, the environmental protection rolling of paper of filming after this typing is bundled, for making various environmental protection paper product.
Description of drawings
Fig. 1 is preparation method's flow chart of the present invention.
Fig. 2 is the present invention's coating process device figure of filming.
Fig. 3 is the schematic diagram that the present invention is used for the dixie cup moulding.
Fig. 3-A is that the present invention makes the enlarged diagram that can divide degrading film.
Fig. 4 is the schematic diagram that the present invention is used for the moulding of paper bowl.
Fig. 4 A is the schematic diagram that the present invention is used for the boxed cassette moulding.
Fig. 5 is the schematic diagram that the present invention produces decomposition.
The drawing reference numeral explanation: PLA (PLA, Polylactide); Maltose (Maltose); Polylactic acid composition A; Film applicator C; Film A1; First surface processor (CORONA) M1; Pore S, S '; Paper 1; Heater L; Heating rolling wheel 6; Second surface processor (CORONA) M2; Cooling rolling wheel 7; Paper product 4; Paper bowl 4 '; Boxed cassette 4 ".
The specific embodiment
See also Fig. 1, shown in Figure 2, the present invention does not use the resin raw material of polyethylene kind, but with PLA (PLA, Polylactide) and maltose (Maltose) mix into the raw material of filming of polylactic acid composition A, see through film applicator C this polylactic acid composition A heating is squeezed out a film A1, on paper 1 surface of the pore S that first surface processor (CORONA) M1 electric shock enlarges, shine in this paper 1 surface with heater L more subsequently, with provide film A1 coating simultaneously this polylactic acid composition A infiltrate in the pore (S) of this paper 1 (shown in Figure 5) as seeing, through heating rolling wheel 6 this film A1 is coated in paper 1 top layer again and gives spreading simultaneously, be attached to paper 1 lip-deep tightness to promote film A1, again after the film A1 on second surface processor (CORONA) the M2 electric shock paper 1 also produces pore S ', see through cooling rolling wheel 7 spreadings cooling, make film A1 be coated in paper 1 last moment typing, and the typing paper of this coating of filming is rolled into 2; Whereby, use the finished product of filming that decomposes that this technology finishes, in order to make various paper product, these paper products can utilize that the biology in the oxygen and moisture content, light and soil decomposes in the air, and borrow pore S ' to be easy to infiltrate into bottom, making it can divide degrading film A1 to produce naturally at short notice comes off, do not add plastic material, but have and similar materialization of plastic products and occupation mode, not only meet environmental protection trend, still can ensure safe and sanitary and mass-produced demand, and then reach the environmental benefit that paper products reclaim.
See also shown in Figure 2, the employed dress manufacturing apparatus of technology of the present invention comprises: establish first surface processor (CORONA) M1 between this paper 1 paper feed is advanced, and film applicator C heating squeeze out polylactic acid composition A film coating film A1 and before entering heating rolling wheel 6, and be positioned between this first surface processor (CORONA) M1 the appropriate location and establish a heater L, appropriate location after 6 spreadings of heating rolling wheel, establish second surface processor (CORONA) M2 again, establish a cooling rolling wheel 7 subsequently the paper after filming is finalized the design, the environmental protection paper of filming that will finalize the design again is rolled into 2; Therefore, borrow first surface processor (CORONA) M1 electric shock paper 1 surface that the pore S of this paper is enlarged, with heater L proper temperature is heated on paper 1 surface again, making this film applicator C squeeze out polylactic acid composition A has about 190 ℃ film A1 and is attached on this paper 1 surface and keeps its due stickiness, this polylactic acid composition A can be infiltrated in this pore S, to promote its applying tightness, and prevent to come off, see through this heating rolling wheel 6 spreading under a proper temperature again, make this film A1 more tight on this paper 1, use second surface processor (CORONA) M2 subsequently to the pore S ' that shocks by electricity out of the film A1 on this paper 1, see through cooling rolling wheel 7 spreadings typing back again and on reel, be rolled into 2, so that the various environmental protection paper product of making to be provided.
On the surface before aforesaid paper 1 is filmed, reach between 40 ℃ to 60 ℃ with heater L heating, make film applicator C heating squeeze out about 190 ℃ of film A1 being coated in the unlikely generation of temperature on the paper 1 phenomenon of excessively lowering the temperature, to promote the tightness that film A1 is attached to paper 1.
Aforesaid heater L can be ultraviolet lamp, infrared lamp, electric heater etc., so that the surface heating of this paper 1 to be provided.
After aforesaid film A1 is coated in paper 1, through 40 ℃ to 55 ℃ heating rolling wheels this film A1 is coated in paper 1 top layer and gives spreading simultaneously, more promote film A1 and be attached to paper 1 lip-deep tightness.
After aforesaid film A1 is coated in paper 1, see through 20 ℃ to 25 ℃ cooling rolling wheel 7 spreadings cooling, be coated in moment typing on the paper so that film A1 to be provided.
PLA (the PLA that uses among the aforesaid polylactic acid composition A, Polylactide), be to become lactic acid (Lactic Acid) again through aggregating into PLA (Polylactide) the raw material grain that can apply to plastic processing, neither interpolation plastic material in its raw material and the technology by the glucose fermentation that contains in the plant resources.
The maltose that uses among the aforesaid polylactic acid composition A is high viscosity maltose (High-viscosityMaltose).
Aforesaid polylactic acid composition A is to mix to good with PLA (PLA) about 90% and about 10% weight of maltose (Maltose).
Aforesaid application second surface processor M2 electric shock paper 1 forms pore S ' with the surface that film A1 attaches after combining, can be at short notice, by airborne oxygen and moisture content light, or the bottom that the biology in the soil gos deep into pore is gnawed, film A1 is decomposed voluntarily break away from paper 1, therefore need not spend expensive processing expenditure, meet economic benefit.
Further, please cooperate again shown in the explanation of Fig. 4 and Fig. 5, the film A1 that coating of the present invention can be decomposed polylactic acid composition A films on the paper 1, so that the material of making various paper products 4 (as Fig. 3) to be provided, for example, be applied in paper bowl 4 ', boxed cassette 4 " moulding (with reference to shown in Figure 4); and from flong, printing paper, food, medicinal paper, Nonwovens, advertisement paper ... wait the manufacturing of filming of product; can utilize the film A1 that is formed on the product internal layer, the use effect that provides content not produce seepage; Method for making is applied to divided degrading film A1 on the paper product 4 (as Fig. 3-A) whereby, borrow this pore S ' to help the biology in the oxygen and moisture content light and soil in the air, pore S ' by this film A1 gos deep into bottom, in order to by inner biological decomposition, make and to divide degrading film A1 can produce come off (with reference to shown in Figure 5) at short notice naturally, and then promote the efficient that paper product reclaims.
Aforesaid front and rear sections frosting processor M1, M2 can use the electric shock power of 5KW-15KW, with running through or nonpenerative control of paper pore S that paper 1 is shocked by electricity out, and can hit the effect that runs through of pore S ' to the surface electrical of coating film A1.
To sum up institute is old, the preparation method that the present invention really can provide paper wood to film the top layer moulding, and utilize the biological decomposition in the oxygen and moisture content, light and soil in the air.
Claims (17)
1. the method for preparing coated paper products that the top layer is biodegradable is characterized in that, its step comprises:
A. mix into polylactic acid composition as the raw material of filming with PLA and maltose, see through film applicator this polylactic acid composition heating is squeezed out film;
B. enlarge the paper pore through first surface processor electric shock;
C. again in this paper surface heating, make film when the high temperature coating, avoid excessively lowering the temperature and reducing its stickiness, in the pore that infiltrates this paper;
D. the paper of this film coating is coated in the spreading simultaneously of paper top layer through the heating rolling wheel at this film, is attached to tightness on the paper surface to promote film;
E. the film on second surface processor electric shock paper produces pore again;
F. see through cooling rolling wheel spreading cooling, make the film moment typing that is coated on the paper, and the paper of this coating of filming is rolled into volume;
With the formed finished product of filming that decomposes of this method for making, make various paper products.
2. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1, it is characterized in that, on the surface before aforesaid paper is filmed, reach between 40 ℃ to 60 ℃ with the heater heating, make the film applicator heating squeeze out about 190 ℃ of films and avoid excessively lowering the temperature phenomenon, to promote the tightness that film is attached to paper in the temperature that is coated on the paper.
3. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 2 is characterized in that, the heater that is used for the paper surface heating can be ultraviolet lamp, infrared lamp, electric heater.
4. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1, it is characterized in that, after aforesaid film is coated in paper, be coated in the paper top layer through 40 ℃ to 55 ℃ heating rolling wheels at this film and give spreading simultaneously, the lifting film is attached to the tightness on the paper surface.
5. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1 is characterized in that, after aforesaid film is coated in paper, sees through 20 ℃ to 25 ℃ cooling rolling wheel spreadings cooling, is coated in moment typing on the paper so that film to be provided.
6. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1, it is characterized in that, the PLA that uses in the aforesaid polylactic acid composition is to become the lactic acid polylactic acid raw material grain through aggregating into, can apply to plastic processing again by the glucose fermentation that contains in the plant resources.
7. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1 is characterized in that the maltose that uses in the aforesaid polylactic acid composition is high viscosity maltose.
8. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1 is characterized in that, aforesaid polylactic acid composition mixes with PLA about 90% and about 10% weight of high viscosity maltose.
9. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1, it is characterized in that, aforesaid application second surface processor electric shock paper forms pore with the surface that film attaches after combining, can be at short notice, by airborne oxygen and moisture content light, or the bottom that the biology in the soil gos deep into pore gnaws, and makes film decompose the disengaging paper voluntarily, therefore need not spend expensive processing expenditure, reach and meet economic benefit.
10. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1 is characterized in that, this first and second surface treating machine is the electric shock power that adopts about 5KW-15KW, with the expansion of controlling this pore and run through degree.
11. the biodegradable method for preparing coated paper products in a kind of top layer as claimed in claim 1 is characterized in that, but the paper paper supply cup that this film is fitted, paper bowl, boxed cassette, from the utilization of paper products such as flong, Nonwovens or label.
12. one kind prepares the biodegradable coated paper products equipment therefor in top layer, comprising:
The first surface processor is located at the appropriate location, paper surface top of transmission, and is positioned at before the heater, enlarges the paper pore with electric shock;
One heater was located at before the inlet port of heating rolling wheel, made paper have temperature and avoided film excessively to lower the temperature, to promote the applying degree;
One film applicator is located at heating rolling wheel top, squeezes out polylactic acid composition with heating and forms about 190 ℃ of films, enters heating rolling wheel and paper then and fits;
One heating rolling wheel is heated to proper temperature, and is located at the below of this film applicator, avoids the film cooling when spreading film and paper, to promote its applying adaptation;
The second surface processor is located at the appropriate location after the heating rolling wheel spreading, and the thin-film electro on the paper is hit pore, carries out biological decomposition to go deep into bottom;
One cools off rolling wheel, is located at the rear of this two surface treating machine, and the moment typing is carried out in cooling;
One reel, the environmental protection rolling of paper of filming after this typing is bundled, for making various environmental protection paper product.
13. the coated paper products equipment therefor that preparation as claimed in claim 12 top layer is biodegradable is characterized in that this heter temperature is about between 40 ℃ to 60 ℃.
14. the coated paper products equipment therefor that preparation as claimed in claim 13 top layer is biodegradable is characterized in that this heater can be ultraviolet lamp, infrared lamp, electric heater.
15. the coated paper products equipment therefor that preparation as claimed in claim 12 top layer is biodegradable is characterized in that, the heating-up temperature of this heating rolling wheel is between 40 ℃ to 55 ℃.
16. the coated paper products equipment therefor that preparation as claimed in claim 12 top layer is biodegradable is characterized in that, this cooling rolling wheel is controlled between about 20 ℃ to 25 ℃.
17. the coated paper products equipment therefor that preparation as claimed in claim 12 top layer is biodegradable is characterized in that, this first and second surface treating machine adopts the electric shock power of about 5KW-15KW, with the expansion of controlling this pore and run through degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101503234A CN101168945A (en) | 2006-10-26 | 2006-10-26 | Method for preparing coated paper products with biodegradable surface layer and used device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101503234A CN101168945A (en) | 2006-10-26 | 2006-10-26 | Method for preparing coated paper products with biodegradable surface layer and used device thereof |
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| CN101168945A true CN101168945A (en) | 2008-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2006101503234A Pending CN101168945A (en) | 2006-10-26 | 2006-10-26 | Method for preparing coated paper products with biodegradable surface layer and used device thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100641A1 (en) * | 2008-02-05 | 2009-08-20 | Wei Mon Industry Co., Ltd. | Biology decomposable waterproof compound paper and the method thereof |
| CN105331066A (en) * | 2015-12-09 | 2016-02-17 | 南京林业大学 | Polylactic acid/glucose composite material and preparation method thereof |
| CN105385125A (en) * | 2015-12-09 | 2016-03-09 | 南京林业大学 | Polylactic acid/cellobiose blend material and preparation method thereof |
| CN108749141A (en) * | 2018-06-14 | 2018-11-06 | 上海馨星环保科技有限公司 | A kind of manufacturing method of double PLA laminated paper cups |
-
2006
- 2006-10-26 CN CNA2006101503234A patent/CN101168945A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009100641A1 (en) * | 2008-02-05 | 2009-08-20 | Wei Mon Industry Co., Ltd. | Biology decomposable waterproof compound paper and the method thereof |
| CN101503869B (en) * | 2008-02-05 | 2010-12-15 | 伟盟工业股份有限公司 | Biodegradable water-proof composite paper and manufacturing method thereof |
| CN105331066A (en) * | 2015-12-09 | 2016-02-17 | 南京林业大学 | Polylactic acid/glucose composite material and preparation method thereof |
| CN105385125A (en) * | 2015-12-09 | 2016-03-09 | 南京林业大学 | Polylactic acid/cellobiose blend material and preparation method thereof |
| CN108749141A (en) * | 2018-06-14 | 2018-11-06 | 上海馨星环保科技有限公司 | A kind of manufacturing method of double PLA laminated paper cups |
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Open date: 20080430 |