CN101332691B - Polylactic acid jointing plate and manufacture method thereof - Google Patents
Polylactic acid jointing plate and manufacture method thereof Download PDFInfo
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- CN101332691B CN101332691B CN 200710127504 CN200710127504A CN101332691B CN 101332691 B CN101332691 B CN 101332691B CN 200710127504 CN200710127504 CN 200710127504 CN 200710127504 A CN200710127504 A CN 200710127504A CN 101332691 B CN101332691 B CN 101332691B
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- polylactic acid
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Abstract
The invention relates to a polylactic acid bonding plate and a preparation method thereof. The polylactic acid bonding plate comprises a polylactic acid plate and a polylactic acid film; the polylactic film is processed and bonded to the surface of the polylactic acid plate. The preparation method of the polylactic acid bonding plate comprises the steps as follows: forming the polylactic acid plate and the polylactic film; leading the polylactic film to be bonded to at least one surface of the polylactic plate by the temperature, at which the polylactic film can be melted and softened. The polylactic acid bonding plate and the preparation method of the invention can improve the shortage that the existing plastic plate does not comply with the environmental protection requirement.
Description
Technical field
The present invention relates to a kind of polylactic acid jointing plate and manufacturing approach thereof, particularly relate to a kind of instead tradition plastic sheet, the polylactic acid jointing plate and the manufacturing approach thereof of the selection of more environmental protection is provided.
Background technology
Because the plastic cement industry development is quick, people's light durable thereby plastic cement of relying on plasthetics has replaced other materials gradually for a long time, therefore makes the waste custom of " use up promptly and lose " also and pollutes the source.
Plasthetics is made by petroleum, and the characteristic that is difficult for decomposing corruption is arranged.Burying the service life that processing can reduce the landfill site of plastic-waste more can be caused the pollution in soil, rivers and creeks, even causes the respiratory apparatus of aquatic animal to be obstructed, so that secondary public hazards such as be choked to death.Handle plastic-waste with the incineration mode and then can produce noxious materials such as dioxin, environment, organism are caused irreversible injury.
In addition, along with the global energy shortage, oil will be exploited exhaustion after about many decades, therefore for rare precious and non-renewable petroleum resources, more should scrupulously utilize, cherish usefulness.In view of this, the idea of " green chemical industry " develops gradually, under the ordering about of environmental consciousness, also develops towards the direction with tool Biodegradable material for plastic cement products again.
PLA (Polylactic acid; PLA) be a kind of macromolecular material of Biodegradable; Be that glucose fermentation from string becomes lactic acid; Through being polymerized, can be resolved into carbon dioxide and water by microorganism burying in the environment of nature again, Biodegradable well and not can cause environmental pollution; The finished product that PLA is processed has characteristics such as the high grade of transparency, high gloss, and it is high to have oil resistivity and mechanical strength.
Summary of the invention
Main purpose of the present invention is; Overcome the defective that prior art exists; And a kind of polylactic acid jointing plate and manufacturing approach thereof of new structure, technical problem to be solved are provided is to make it improve the existing shortcoming of using the plastic cement panel not meet environmental protection, is very suitable for practicality.
The object of the invention and solve its technical problem and adopt following technical scheme to realize.According to a kind of polylactic acid jointing plate that the present invention proposes, comprise: a PLA sheet material, and a polylactic acid film are attached to this one of them side surface of PLA sheet material.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
Aforesaid polylactic acid jointing plate, the surface area of wherein said polylactic acid film can be smaller or equal to the surface area of polylactic acid jointing plate.
Aforesaid polylactic acid jointing plate, but transfer printing has a pattern on the wherein said polylactic acid film.
Aforesaid polylactic acid jointing plate, the printing surface of wherein said pattern is between this PLA sheet material and this polylactic acid film.
The object of the invention and solve its technical problem and also adopt following technical scheme to realize.The manufacturing approach of a kind of polylactic acid jointing plate that proposes according to the present invention comprises following steps:
Form a PLA sheet material;
Form a polylactic acid film, be contacted with at least one surface of this PLA sheet material; And
Utilization can make the softening temperature of polylactic acid film fusion make this polylactic acid film fit in the surface of this PLA sheet material, is combined into a polylactic acid jointing plate.
The object of the invention and solve its technical problem and also can adopt following technical measures further to realize.
The manufacturing approach of aforesaid polylactic acid jointing plate, wherein said polylactic acid film comprise one first part and a second portion, are contacted with the corresponding both side surface of this PLA sheet material respectively.
The manufacturing approach of aforesaid polylactic acid jointing plate; The method that wherein makes this polylactic acid film fit in this PLA plate surface comprises: use a film head one heat to be melted the poly-lactic acid material extrusion molding of state; Make this PLA sheet material remain in still uncolled heat of solidifying and melt state; So that the temperature that can make this polylactic acid film fusion softening to be provided; Make this PLA sheet material and this polylactic acid film give as security the plate machine through one simultaneously, make this polylactic acid film and the applying of this PLA sheet material with the temperature of running roller roll extrusion mode and this PLA sheet material.
The manufacturing approach of aforesaid polylactic acid jointing plate, the wherein said softening temperature of polylactic acid film fusion that makes is between 170～190 ℃.
The manufacturing approach of aforesaid polylactic acid jointing plate, it more comprises one deck polylactic acid jointing glue and is attached on this polylactic acid film.
The manufacturing approach of aforesaid polylactic acid jointing plate; The wherein said method that makes this polylactic acid film fit in this PLA plate surface comprises: use one to have the running roller that adds temperature function; The temperature that can make the fusion of polylactic acid jointing glue softening is provided; When this PLA sheet material and this polylactic acid film during simultaneously through this running roller, utilize this running roller that about 40～50 ℃ temperature is provided, make applying glue fusion on this polylactic acid film softening and fit in the surface of this PLA sheet material.
The manufacturing approach of aforesaid polylactic acid jointing plate, but transfer printing has pattern on the wherein said polylactic acid film.
The manufacturing approach of aforesaid polylactic acid jointing plate, the printing surface of wherein said pattern is towards the binding face of PLA sheet material and polylactic acid film.
The present invention compared with prior art has tangible advantage and beneficial effect.Can know that by above technical scheme major technique of the present invention thes contents are as follows:
According to a kind of polylactic acid jointing plate of the present invention, comprise a PLA sheet material and a polylactic acid film, polylactic acid film is attached to the surface of PLA sheet material.The manufacturing approach of polylactic acid jointing plate comprises formation one a PLA sheet material and a polylactic acid film, and utilization can make the softening temperature of polylactic acid film fusion, makes polylactic acid film fit at least one surface of PLA sheet material, is combined into a polylactic acid jointing plate.
According to one embodiment of the invention; With the poly-lactic acid material fusion; Form a PLA sheet material with forming method; And utilize and still to be in heat and to melt the PLA sheet material of state the temperature that can make the polylactic acid film fusion softening is provided, make polylactic acid film fit in the surface of PLA sheet material, be combined into a polylactic acid jointing plate.
According to another embodiment of the present invention; Can have one deck polylactic acid jointing glue on the polylactic acid film; Utilize one to have the running roller that adds temperature function the temperature that can make the fusion of polylactic acid jointing glue softening is provided, make the fusion of polylactic acid jointing glue softening with the temperature of running roller, and fit in the surface of PLA sheet material.
According to another embodiment of the present invention, polylactic acid film is impressing pattern in advance, by polylactic acid film is combined form the polylactic acid jointing plate with pattern with PLA sheet material.Wherein, the printing surface of pattern is between PLA sheet material and polylactic acid film.
By technique scheme, polylactic acid jointing plate of the present invention and manufacturing approach thereof have advantage and beneficial effect at least:
According to polylactic acid jointing plate of the present invention and manufacturing approach thereof; Utilize the heat fusing state PLA sheet material temperature or utilize the running roller that can heat; Provide to make polylactic acid film and the softening temperature of polylactic acid jointing glue fusion, when giving as security panel, make polylactic acid film fit in the surface of PLA sheet material, required pattern can be needed on the polylactic acid film in advance; Processing makes printing surface between PLA sheet material and polylactic acid film through fitting; Because of the sheet material modal shift ranges of application that increase PLA sheet material more, and instead tradition plastic sheet, a kind of selection of more environmental protection is provided.
In sum, the present invention has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on product, square manufacturing approach or function; Obvious improvement is arranged technically; And produced handy and practical effect, and have the outstanding effect of enhancement than prior art, thus be suitable for practicality more; And have the extensive value of industry, really be a novelty, progress, practical new design.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of specification, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
For letting above-mentioned and other purposes of the present invention, characteristic, advantage and the embodiment can be more obviously understandable, appended graphic detailed description be following:
Fig. 1 is a kind of flow chart of steps of making polylactic acid jointing plate that illustrates according to the embodiment of the invention.
Fig. 2 A is for making the sketch map of polylactic acid jointing plate according to the embodiment of the invention.
Fig. 2 B is the local amplification profile of the polylactic acid jointing plate of the step making shown in the application drawing 2A.
Fig. 3 A is for making the sketch map of polylactic acid jointing plate according to another embodiment of the present invention.
Fig. 3 B is the local amplification profile of the polylactic acid jointing plate of the step making shown in the application drawing 3A.
100: give as security 110: the first running rollers of plate machine
130: the three running rollers of 120: the second running rollers
210: film head 212: poly-lactic acid material
214: upper surface 216: lower surface
220: polylactic acid jointing plate 221: PLA sheet material
410: film unreels platform 420: film unreels platform
510: polylactic acid film 610: film unreels platform
720: PLA thin plate 721: PLA sheet material
The specific embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To polylactic acid jointing plate and its specific embodiment of manufacturing approach, structure, manufacturing approach, step, characteristic and the effect thereof that proposes according to the present invention, specify as after.
Polylactic acid jointing plate of the present invention comprises a PLA sheet material and a polylactic acid film, and polylactic acid film is attached at least one surface of PLA sheet material.The manufacturing approach of polylactic acid jointing plate comprises formation one a PLA sheet material and a polylactic acid film, mainly utilizes temperature when giving as security panel, to make polylactic acid film fit at least one surface of PLA sheet material, is combined into a polylactic acid jointing plate.
See also Fig. 1 and Fig. 2 A, Fig. 1 is a kind of flow chart of steps of making polylactic acid jointing plate that illustrates according to one embodiment of the invention, and Fig. 2 A is for making the sketch map of polylactic acid jointing plate according to the embodiment of the invention.
The manufacturing approach of polylactic acid jointing plate comprises provides one to give as security plate machine 100, has plural running roller, comprises first running roller 110, second running roller 120 and the 3rd running roller 130, has a preset distance between each running roller and can supply material to be rolled to pass through.The poly-lactic acid material 212 that one heat is melted state is via a film head 210 extrusion moldings, between first running roller 110 through giving as security plate machine 100 and second running roller 120 to form a PLA sheet material 221.
One first polylactic acid film 310 and one second polylactic acid film 320 are provided; Cooperate a film to unreel platform 410 respectively and film unreels platform 420; In the time of between first running roller 110 and second running roller of poly-lactic acid material through giving as security plate machine 100; Unreel platform 410 and film with film and unreel platform 420 tractions and contact, pass through between first running roller 110 and one second running roller 120 simultaneously with PLA sheet material.
According to one embodiment of the invention; Generation can make the softening method of temperature of polylactic acid film fusion be: make PLA sheet material 221 be in heat when utilizing through signature plate machine and melt state; The temperature (about 170～190 ℃) that can make the polylactic acid film fusion softening is provided; Utilize the temperature of PLA sheet material 221, make first polylactic acid film 310 and second polylactic acid film 320 fit in the upper surface 214 and the lower surface 216 of PLA sheet material 221 respectively.
According to another embodiment of the present invention; Can have one deck polylactic acid jointing glue on the polylactic acid film 310,320; Cooperate the running roller of giving as security the plate machine to provide one to make the softening temperature (about 40～50 ℃) of polylactic acid jointing glue fusion, make polylactic acid film fit in the surface of PLA sheet material.Generation can make the softening method of temperature of polylactic acid film fusion be: use one to give as security the plate machine; Its running roller can be heated; When PLA sheet material 221 and polylactic acid film 310,320 when giving as security the running roller of plate machine; Running roller can provide and make polylactic acid film and the softening temperature (about 40～50 ℃) of polylactic acid jointing glue fusion, makes first polylactic acid film 310 and second polylactic acid film 310 fit in the upper surface 214 and the lower surface 216 of PLA sheet material 221 respectively.
First polylactic acid film 310 and second polylactic acid film 320 can be printed with pattern; The printing surface 312 of its first polylactic acid film 310 contacts with the upper surface 214 of PLA sheet material 221; The another side of first polylactic acid film 310 then contacts with first running roller 110; The printing surface 322 of second polylactic acid film 320 contacts with the lower surface 216 of PLA sheet material 221, and the another side of second polylactic acid film 320 then contacts with second running roller 120.
The preliminary polylactic acid jointing plate of accomplishing 220 of fitting passes through between second running roller 120 and the 3rd running roller 130 again; First polylactic acid film 310 and second polylactic acid film 320 are combined closely with PLA sheet material 221, form polylactic acid jointing plate with two-layer polylactic acid film.
With reference to Fig. 2 B, for using the profile of the polylactic acid jointing plate that the step shown in Figure 1A makes.Polylactic acid jointing plate 220 has a PLA sheet material 220; First polylactic acid film 310 and second polylactic acid film 320 fit in the upper surface and the lower surface of polylactic acid jointing plate 220 respectively, and the surface area of first polylactic acid film 310 and second polylactic acid film 320 can be smaller or equal to the surface area of polylactic acid jointing plate 220.
See also Fig. 3 A, for make the sketch map of polylactic acid jointing plate according to another embodiment of the present invention.Method shown in the manufacturing approach of polylactic acid jointing plate and Fig. 2 A is similar, comprises the poly-lactic acid material that heat is melted state via film head 210 extrusion moldings, between one first running roller 110 through trigger squeeze 100 and one second running roller 120 to form PLA sheet material 721.
Provide a polylactic acid film 510 to cooperate a film to unreel platform 610; In the time of between first running roller 110 and second running roller of poly-lactic acid material through giving as security plate machine 100; Unreel platform 610 tractions with film and contact, simultaneously through between first running roller 110 and one second running roller 120 with a wherein surface of PLA sheet material 721.
According to one embodiment of the invention, make PLA sheet material 721 be in heat during through signature plate machine and melt state, utilize the temperature of PLA sheet material 721, make polylactic acid film 510 fit in a wherein surface of PLA sheet material 721.
According to another embodiment of the present invention; Can have one deck polylactic acid jointing glue on the polylactic acid film 510; And the running roller of giving as security the plate machine is for heating; When PLA sheet material 721 and polylactic acid film 510 when giving as security the running roller of plate machine, running roller can provide and make polylactic acid film and the softening temperature of polylactic acid jointing glue fusion, makes first polylactic acid film 510 fit in a wherein surface of PLA sheet material 721.
The preliminary polylactic acid jointing plate of accomplishing 720 of fitting passes through between second running roller 120 and one the 3rd running roller 130 polylactic acid film 510 and PLA sheet material 721 to be combined closely again, forms the polylactic acid jointing plate 720 with one deck polylactic acid film.
With reference to Fig. 3 B, the profile of the polylactic acid jointing plate of making for the step shown in the application drawing 3A.Polylactic acid jointing plate 720 has a PLA sheet material 721, and polylactic acid film 510 fits in a wherein surface of polylactic acid jointing plate 720, and the surface area of polylactic acid film 510 can be smaller or equal to the surface area of polylactic acid jointing plate 720.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the method for above-mentioned announcement capable of using and technology contents are made a little change or be modified to the equivalent embodiment of equivalent variations; In every case be the content that does not break away from technical scheme of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.
Claims (2)
1. the manufacturing approach of a polylactic acid jointing plate is characterized in that it comprises following steps:
Use a film head that one heat is melted the poly-lactic acid material extrusion molding of state, to form a PLA sheet material; , wherein this PLA sheet material remains in still uncolled heat of solidifying and melts state, and its temperature is between 170 ℃ to 190 ℃;
One polylactic acid jointing glue is attached on the polylactic acid film with transfer printing pattern, and forming a polylactic acid jointing glue film, and the printing surface of this transfer printing pattern is towards the binding face of this polylactic acid jointing glue and this polylactic acid film;
This polylactic acid jointing glue of this polylactic acid jointing glue film is contacted with at least one surface of this PLA sheet material; And
Make this PLA sheet material and this polylactic acid jointing glue film give as security the plate machine through one simultaneously; The temperature of rolling signature mode and this PLA sheet material with running roller is fitted this polylactic acid jointing glue film and this PLA sheet material; To form this polylactic acid jointing plate; Wherein this running roller provides 40 ℃ to 50 ℃ temperature, makes this polylactic acid jointing glue fusion on this polylactic acid jointing glue film softening and fit in this surface of this PLA sheet material.
2. polylactic acid jointing plate, it is made by the described method of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710127504 CN101332691B (en) | 2007-06-28 | 2007-06-28 | Polylactic acid jointing plate and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710127504 CN101332691B (en) | 2007-06-28 | 2007-06-28 | Polylactic acid jointing plate and manufacture method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101332691A CN101332691A (en) | 2008-12-31 |
| CN101332691B true CN101332691B (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200710127504 Expired - Fee Related CN101332691B (en) | 2007-06-28 | 2007-06-28 | Polylactic acid jointing plate and manufacture method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010072013A1 (en) * | 2008-12-25 | 2010-07-01 | 伟盟工业股份有限公司 | Polylactic acid bonding plate and manufacturing method thereof |
| CN101992579B (en) * | 2010-08-31 | 2013-04-10 | 东莞市爱克斯曼机械有限公司 | Hot-melt adhesive non-woven fabric based adhesion processing equipment |
| CN112406240B (en) * | 2020-10-19 | 2021-12-10 | 深圳市鼎通新材料科技有限公司 | Degradable environment-friendly film material, preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300702A (en) * | 1999-12-22 | 2001-06-27 | 平湖市比例包装材料有限公司 | Composite material for packing food and its preparing process |
| CN1860026A (en) * | 2003-10-01 | 2006-11-08 | 三菱树脂株式会社 | Biodegradable layered sheet |
-
2007
- 2007-06-28 CN CN 200710127504 patent/CN101332691B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1300702A (en) * | 1999-12-22 | 2001-06-27 | 平湖市比例包装材料有限公司 | Composite material for packing food and its preparing process |
| CN1860026A (en) * | 2003-10-01 | 2006-11-08 | 三菱树脂株式会社 | Biodegradable layered sheet |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-90550A 2007.04.12 |
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| CN101332691A (en) | 2008-12-31 |
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