CN101284437A - Preparation method of high performance plastics basis material - Google Patents
Preparation method of high performance plastics basis material Download PDFInfo
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- CN101284437A CN101284437A CNA2007100393532A CN200710039353A CN101284437A CN 101284437 A CN101284437 A CN 101284437A CN A2007100393532 A CNA2007100393532 A CN A2007100393532A CN 200710039353 A CN200710039353 A CN 200710039353A CN 101284437 A CN101284437 A CN 101284437A
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Abstract
A method for producing a plastic substrate with high performance mainly includes the following steps: firstly, two pieces of composite joint plates are prepared, wherein each piece forms a high-temperature adhesion layer made of a second material on a protective layer made of a first material, and then the two pieces of the composite joint plates are laminated into a whole by adhibiting the high-temperature adhesion layers mutually, press-fitting is carried out at high temperature, and a novel plastic substrate is formed via high-temperature softening and jointing of the two high-temperature adhesion layers. The method can effectively produce plastic materials which can resist various operational environments, particularly the plastic material used for the fire-resistant operation.
Description
Technical field
The present invention is relevant for a kind of manufacture method of plastic basis material, particularly relevant for a kind of manufacture method of high heat-resisting, thick functional plastic base material.
Background technology
Generally speaking, the preparation method of macromolecule plastic film mainly comprises hot extrusion (Melt Extrusion) and solution film casting (Solution Casting) two big classes, can be referring to U.S. Pat 5152947 and the disclosed technology of US4473523.In these two kinds of technology, the former is usually used in making low melting material, polypropylene (PP for example, Polyproplylene), polyethylene (PE, Polyehtylene) etc., and latter Ze Chang is applied to make solvent soluble-type macromolecular material, particularly be used in the preparation of high-fire resistance macromolecular material, polyimides (PI for example, Polyimide), polyether sulfone (PES, Polyethyl Suphone), Triafol T (TAC, Triacetyl Cellulose) etc., mainly be because this family macromolecule has produced thermal cracking when not reaching the processing temperature of fusing point, or under the situation that need produce with lower temperature, just adopt this mode to make.
Demonstrate habitual solution film casting method among the 1st figure, wherein casting film solution is sent from source of supply 10, through the feed of carrying the pumping mechanism 12 that motor drives and be delivered on the dispense tip 14, dispense tip 14 can (also can be applied to this solution coat on the steel band of continous way in the application at other) on the roller 16 of continous way, and via peeling off after 18 oven dry of first baking oven, and then after the baking of second baking oven 20, be wound into rolls 22 and finish manufacture process.
Demonstrate in addition the example of structure of dispense tip 14 in the 2nd figure, in this example, this dispense tip 14 is the pair of lamina dispense tip, coating material can be respectively in dispense tip 14 two set supply lines 24,26 and being supplied on the roller 16.Certainly also can select one or more layers dispense tip according to the actual requirements for use, making different plastic foils, and when the dispense tip that used more than double-deck, we often are referred to as multilayer solution film casting method (Co-Casting).
Though what the technology of this kind solvent casting film can success produces various high temperature-resistant polymer plastic foils; but many shortcomings are also arranged; for example speed of production slow, can't make the thicker plastic foil of thickness etc.; particularly when the thickness of plastic foil is thicker; 50 μ m for example; owing to have the problem of stress release in the film forming procedure, so regular meeting causes the puzzlement of plastic foil warpage, the very big puzzlement on formation is used.
Generally speaking, thicker plastic foil normally is applied on each electron-like spare part, as the usefulness of stiffening plate (Stiffener) or insulation material (Insulator).On the other hand, because the demand of flexible display base material, thick and high heat-resisting planarization plastic basis material is the active demand of industry institute always, but there is not good solution at present, this type of base material is except that thickness, planarization and durothermic demand simultaneously, also have other as block water, oxygen barrier, perhaps functional demand such as photochromic variation, but same also solution preferably not.
Summary of the invention
Based on the above, industrial circle needs a kind of enforceable method for a long time always, prepares high heat-resisting thick polymer base material, and main purpose of the present invention promptly is that a kind of method of making the macromolecule thick film base material of high heat-resisting, high mechanical properties will be provided.
According to the present invention; it provides a kind of manufacture method of high performance plastic basis material; its main step is at first to prepare two compound then plates; its each sheet all forms the high temperature adhesion layer that one deck is made by second material on the protective layer that one deck is made by first material; then two compound then plates are coincided together in the mode that its high temperature adhesion layer posts mutually; carry out the high temperature pressing, see through hot mastication and engage two high temperature adhesion layers and form a brand-new composite plastic base material.The method can produce effectively can anti-various operating environments plastic material, particularly be applicable to resistant to elevated temperatures operational applications.
In the another kind of technical scheme of the present invention, can sneak into other functional material in this second material at high temperature adhesion layer, for example can change the SiO of refractive index
2Particle, can improve the nitride (AlN of heat conductivity
3), can absorb the CaO etc. of aqueous vapor or can change the dyestuff of color or pigment etc., have the high temperature adhesion layer that sticks together function and required specific function simultaneously concurrently and form.In addition, also can use the adhesion layer of sandwich construction, wherein can include a functional layer, a barrier layer for example blocks water and the merit able one of oxygen barrier in order to provide.
Below will cooperate some embodiment that manufacture method of the present invention is described, specifically explain orally simultaneously and with several examples.
Description of drawings
The 1st figure schematically demonstrates the processing procedure of habitual solution film casting method;
The 2nd figure schematically demonstrates the double-coating leftover of bolt of cloth that can be applicable to solution film casting method among the 1st figure;
Demonstrate respectively among 3A figure and the 3B figure according to the compound then plate preparation process and the pressing of the plastic basis material of first embodiment of the invention and follow step.
Demonstrate respectively among 4A figure and the 4B figure according to the compound then plate preparation process and the pressing of the plastic basis material of second embodiment of the invention and follow step.
Demonstrate respectively among 5A figure and the 5B figure according to the compound then plate preparation process and the pressing of the plastic basis material of third embodiment of the invention and follow step.
The specific embodiment
The present invention is relevant for a kind of manufacture method of high performance plastic basis material; its main step is at first to prepare two compound then plates; its each sheet all forms the high temperature adhesion layer that one deck is made by second material on the protective layer that one deck is made by first material; then two compound then plates are coincided together in the mode that its high temperature adhesion layer posts mutually; carry out the high temperature pressing, see through hot mastication high temperature adhesion layer and form a brand-new composite plastic base material.Below will be illustrated at this two steps key step (promptly preparing compound then plate and pressing then) respectively:
1. prepare compound then plate
The present invention at first need make the multi-disc MULTILAYER COMPOSITE and follow plate, and in first embodiment of the invention, it is the compound then plate of pair of lamina that this MULTILAYER COMPOSITE is followed plate, shown in Ref. No. 100 among Fig. 3 A.Each compound then plate 100 all has two layers of different material; indicated with P1 and P2 respectively in the drawings; has different heat-resistant qualities respectively; wherein the hear resistance of second layer P2 is lower; lower thermal softening point is promptly arranged; in order to as the high temperature adhesion layer, and ground floor P1 has the thermal softening point higher than second layer P2, in order to as protective layer.Ground floor P1 is an exotic material, can be all aromatic or fragrant aliphatic and aromatic polymer material, perhaps ground floor P1 can be thermoset material or interlinkage material, as polyamide Polyamide and polyimides macromolecule organic materials such as (as the Kevlar and the Kapton of Dupont company).The material of second layer P2 can be any plastic with plasticity material, also can sneak into appropriate functional additive or particle in it.
This compound then plate 100 can be made by any known masking technique, as multilayer solution film casting method (containing bilayer) or multilayer film rubbing method (containing bilayer) etc., and ground floor in its prepared compound then plate 100 and the then intensity between the second layer must be higher than a given numerical value, as 0.3kg/cm.
2. pressing then
After the compound then plate 100 of multi-disc is finished in preparation as described above, then two compound then plates 100 can be carried out pressing then, it is repeatedly put two compound then plates 100 together by the mode of pasting mutually with each plate hight temperature adhesion layer P2, as shown in Fig. 3 A, exert pressure again and high temperature, two plates 100 are seen through high temperature adhesion layer P2 soften or melt and follow together, shown in Fig. 3 B.It is the softening point that is higher than second layer P2 (high temperature adhesion layer) material that the temperature that is adopted is followed in pressing, or approach the fusing point of second layer P2, making two compound then materials of the high temperature adhesion layer P2 of plate 100 produce material in the processing of high temperature (and/or high pressure) resets, form inseparable one, and then two compound then plates 100 are bonded together, form a high performance new plastic thick film base material.
Best hot pressing temperature is at least 20 ℃ of thermal softening points that are higher than the material of second layer P2.
Above-mentioned be illustrated as basic principle of the present invention, but visual demand is changed in the practical application.For example, as shown in 4A figure and 4B figure, in the high temperature following layer P2 of two compound then plates 100, can add other materials with function, as changing the SiO of refractive index
2Particle, can improve the nitride (AlN of heat conductivity
3), can absorb the CaO etc. of aqueous vapor or change dyestuff or (particles shown in number in the figure 110) such as pigment or other metallic particles of color; to form new adhesion layer P3; therefore when two compound then plates 100 were bonded into the unitary plastic base material through adhesion layer P3, the adhesion layer P3 that is folded between the protective layer 100 can provide this plastic basis material required function because of its functional particles 110.
Certainly, the high temperature following layer P2 of two chip bondings compound then plate 100 together is also nonessential all to be replaced with the adhesion layer P3 that contains functional particles 110, also can be only the compound then high temperature following layer P2 of plate 100 of a slice wherein be replaced with the adhesion layer P3 that contains functional particles 110, another compound then plate 100 then keeps its high temperature following layer P2.When engaging two compound then plates 100, engage one another and reach with high temperature following layer P2 and adhesion layer P3, thus, the material of adhesion layer P3 must with the material compatibility of high temperature following layer P2.The plastic basis material structure of this kind configuration mode and gained thereof is shown in respectively among Fig. 5 A and Fig. 5 B.
In addition, in the another kind of technical scheme of the present invention, this high temperature following layer P2 or adhesion layer P3 can be replaced by a sandwich construction (being more than the bilayer), so can provide block water, function such as oxygen barrier.This sandwich construction can be made of different materials, and the thermal softening point of its various materials must be lower than ground floor P1.For example can include one deck in this sandwich construction and have and block water or the barrier layer (BarrierLayer) of oxygen barrier function, therefore after pressing, can form to have and block water or the functional plastic base material of oxygen barrier function.Therefore, the following layer P2 of two compound then plates 100 to be laminated or adhesion layer P3 can be simple then functional layers, or the following layer with particular functionality.More than these situations all be covered by under the principle of the present invention.
In sum, the present invention utilizes the thermoplasticity of lower temperature layer material in the compound then plate to come then two, forms a new functionalized high molecule plastic base material, and its advantage includes:
(1) symmetrical structure, the thick base material of formation does not have the problem of warpage.
(2) utilize the lower temperature plasticity of following layer to carry out the combination of two sheet materials, reduce the heat labile shortcoming of general traditional solid.
(3) can answer actual demand and give substrate all kinds of functions.
(4) protective layer Pl can adopt the material of high-temperature resistant and chemically-resistant characteristic, so excellent base material stability can be provided, particularly can protect the functional of internal material.
Below will lift several examples and be described more specifically manufacture method of the present invention, but these examples all being the examples that are used for illustrating the inventive method, is not to be to be used for scope of the present invention is limited.
Embodiment one
Utilize the polyamide solution (as Kapton and Nomex) of two kinds of different thermal propertys, and the technology that adopts habitual casting film is made compound then plate 100, and the ground floor P1 in this compound then plate 100 is that glass transition temperature (Glass Transition Temperature) Tg surpasses 330 ℃ Kapton layer, and thickness is 75 μ m; And second layer P2 is a glass transition temperature Tg is Nomex layer more than 270 ℃, and thickness is 12.5 μ m.These two compound following layers 100 are positioned on the flat pressing machine or continous way roller press of high temperature, and form the plastic basis material that gross thickness is about 175 μ m (7mil) with the hot pressing above 310 ℃, and its whole softening temperature is above 270 ℃.
Embodiment two
Adopt TPI TPI (Thermoplastic Polyimide) solution of polyimides acid solution (Polyamic Acid) and Kaneka company, cooperate the technology of multilayer solution film casting to make compound then plate 100, wherein ground floor P1 is that glass transition temperature Tg is polyimides (PI) layer more than 380 ℃, thickness is 75 μ m, and second layer P2 is a glass transition temperature Tg is TPI layer more than 210 ℃, and thickness is 12 μ m.Two compound then plates 100 are positioned on the flat pressing machine or continous way roller press of high temperature, and form the plastic basis material that gross thickness is about 175 μ m (7mil) with hot pressing more than 300 ℃.
Above explanation manufacture method of the present invention, wherein related description that is disclosed and accompanying drawing all only supply to set forth the usefulness of the technology of the present invention content, and disclose preferred embodiment of the present invention, are not to limit the scope of the invention.In addition, every equivalent replacement and conversion at the inventive method, ratio or material etc. all should belong to the scope that patent of the present invention is protected.
Claims (11)
1. the manufacture method of a high performance plastics basis material is characterized in that including the following step:
(1) compound then plate preparation: two compound then plates, its each sheet includes at least one ground floor and a second layer, wherein ground floor is made by first material, the second layer is made by second material, first material and second material have different heat-resistant qualities, and the second layer has lower thermal softening point and have than low heat resistant, in order to as following layer, and ground floor has higher thermal softening point or do not have the thermal softening point, in order to as protective layer;
(2) pressing is then: two compound then plates are repeatedly put and make two then second materials of plate abut in together, and under pressing-in temp, carry out the high temperature pressing, this pressing-in temp is higher than the thermal softening point of second material, or near the fusing point of second material, so that two layer of second material layer that abuts in together reset because of pressing-in temp produces material, form inseparable one layer, and then two compound then plates are bonded into a slice plastic basis material.
2. the described manufacture method of claim 1, wherein first material is an exotic material, is selected from the co-polymer material that includes all aromatic macromolecular material, fragrant aliphatic macromolecular material, aromatic polymer material or contain aromatic structure in interior group.
3. the described manufacture method of claim 1, wherein second material is the thermoplastic plastic material.
4. the described manufacture method of claim 3 wherein can be sneaked into functional additive in second material.
5. the described manufacture method of claim 4, wherein functional additive comprises all kinds of oxide particles (as SiO
2, CaO etc.), nitride particles (AlN3 etc.) and metallic particles.
6. the described manufacture method of claim 4, wherein functional additive includes dyestuff or pigment, in order to change color.
7. the described manufacture method of claim 1, wherein second material layer includes double-decker, or has at least two layer materials, and the thermal softening temperature of its layers of material all is lower than first material.
8. the described manufacture method of claim 1, wherein pressing-in temp is higher than the second material thermal softening temperature more than 20 ℃.
9. the described manufacture method of claim 1, wherein compound then plate is made with the multilayer solution film casting method.
10. the described manufacture method of claim 1, wherein compound then plate is made with multi-layer coated method.
11. the described manufacture method of claim 1, the then intensity in the wherein compound then plate between the ground floor and the second layer is greater than 0.3kg/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100393532A CN101284437A (en) | 2007-04-11 | 2007-04-11 | Preparation method of high performance plastics basis material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100393532A CN101284437A (en) | 2007-04-11 | 2007-04-11 | Preparation method of high performance plastics basis material |
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| CN101284437A true CN101284437A (en) | 2008-10-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281732A (en) * | 2011-04-18 | 2011-12-14 | 海尔集团公司 | Household appliance panel and household appliance |
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2007
- 2007-04-11 CN CNA2007100393532A patent/CN101284437A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102281732A (en) * | 2011-04-18 | 2011-12-14 | 海尔集团公司 | Household appliance panel and household appliance |
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Open date: 20081015 |