阅读说明：本技术 一种矫治用自修复热压膜片 (One kind is rescued with selfreparing hot pressing diaphragm ) 是由 胡霏 王承德 郭海山 李冠宾 于 2019-08-27 设计创作，主要内容包括：本申请公开了一种矫治用自修复热压膜片,其内层为软质高生物相容性热塑性高分子材料膜层,中间层为热塑性形状记忆材料膜层,外层为耐磨型热塑性高分子材料膜层。先将牙齿模型和自修复热压膜片放入热压成型设备中进行自修复热压膜片的初步成型,得到的自修复热压膜片的形状就是与这种想要达到的形态效果的牙齿模型相同,然后根据中间层材料的类型,在相应的引发条件下将该自修复热压膜片软化,将软化后的自修复热压膜片矫治器佩戴在患者口腔内,膜片在口腔环境下,失去了相应的引发条件,因此会根据形状记忆的原理,要恢复成原来的形状,从而产生矫治力,实现自修复功能,提高佩戴舒适度,也无需中途更换矫治器,给患者带来了更多方便。(This application discloses one kind to rescue with selfreparing hot pressing diaphragm, and internal layer is soft high-biocompatibility thermoplastic macromolecule material film layer, and middle layer is thermoplasticity shape-memory material film layer, and outer layer is wear-resisting type thermoplastic macromolecule material film layer.Tooth model and selfreparing hot pressing diaphragm are first put into the first one-step forming that selfreparing hot pressing diaphragm is carried out in hot-press forming device, the shape of obtained selfreparing hot pressing diaphragm is exactly identical as this tooth model for thinking morphing effects to be achieved, then according to the type of intermediate layer material, the selfreparing hot pressing diaphragm is softened under corresponding initiation conditions, selfreparing hot pressing diaphragm appliance after softening is worn in patient oral cavity, diaphragm is under oral environment, lose corresponding initiation conditions, it therefore can be according to the principle of shape memory, revert to original shape, to generate Orthodontic force, realize self-repair function, improve wear comfort, appliance is replaced without midway, more convenience is brought to patient.)

1. one kind is rescued with selfreparing hot pressing diaphragm, which is characterized in that it is described rescue with selfreparing hot pressing diaphragm include internal layer, in Interbed and outer layer, the internal layer are soft high-biocompatibility thermoplastic macromolecule material film layer, and the middle layer is thermoplasticity Shape-memory material film layer, the outer layer are wear-resisting type thermoplastic macromolecule material film layer.

2. according to claim 1 rescue with selfreparing hot pressing diaphragm, which is characterized in that the middle layer is thermotropic induction Type thermoplasticity shape-memory material film layer, electroluminescent induction type thermoplasticity shape-memory material film layer, photic induction type thermoplasticity shape Shape memory material film layer or chemistry cause induction type thermoplasticity shape-memory material film layer.

3. according to claim 2 rescue with selfreparing hot pressing diaphragm, which is characterized in that the middle layer is poly- norborneol Alkene layer, styrene-butadiene copolymer layer, anti-form-1,4- polyisoprene layer, shape memory polyurethane layer or crosslinked polyethylene Layer.

4. according to claim 1-3 rescue with selfreparing hot pressing diaphragm, which is characterized in that the thickness of the internal layer Degree range is 0.025mm to 0.100mm.

5. according to claim 1-3 rescue with selfreparing hot pressing diaphragm, which is characterized in that the middle layer Thickness range is 0.2mm to 2.3mm.

6. according to claim 1-3 rescue with selfreparing hot pressing diaphragm, which is characterized in that the thickness of the outer layer Degree range is 0.025mm to 0.100mm.

7. according to claim 1-3 rescue with selfreparing hot pressing diaphragm, which is characterized in that the internal layer is heat Plasticity silastic-layer, thermoplastic urethane layers, TPE layers, TPV layers, polyolefin blend elastomer layer or polyamide thermoplastic elasticity Body layer.

8. according to claim 1-3 rescue with selfreparing hot pressing diaphragm, which is characterized in that the outer layer is poly- Pvdf layer, polystyrene layer, polymethyl methacrylate layers, polyvinyl chloride layer, nylon layer, Polycarbonate Layer, gathers polypropylene layer Urethane layer, polytetrafluoroethylene ethylene layer or polyethylene terephthalate layer.

Technical field

The invention belongs to orthodontic technical fields, rescue more particularly to one kind with selfreparing hot pressing diaphragm.

Background technique

Malocclusion is that a kind of oral cavity common disease as caused by many uncertain factors simply just refers to certain Tooth is not on correct position, arrangement dislocation.The whether neat function and sanitary condition for not only influencing oral cavity of teeth arrangement, Even influence the holding of facial appearance.Due to the congenital heredities such as ontogeny, evolution and growing environment, for tooth, abnormal, diet is practised The used influence for waiting the undesirable element day after tomorrow, the people of all ages and classes from country variant have different degrees of deformity teeth, and Teenager and children are focused primarily upon, in different regions, life habit is different, and malocclusion is also variant.With economy Development and social progress, the connection between people is more and more closer, and a row is neat, and pure white tooth is tended in daily friendship In stream, leave higher subjective impression to people, promote people in terms of play an important role, therefore patient The demand of rescuing of tooth is increasingly increased, universal correcting method is realized using metal bracket now, but this gold Belong to bracket to be not only easy to scratch oral cavity, tooth discoloration, oral cavity is made to be difficult to clear up and make various focusing depths represented, but also wears not beautiful It sees.With the development of computer technology and new material, a kind of invisible orthotic device has been developed now, and this invisible orthotic device has The advantages such as convenient to wear, easy cleaning and stealth beauty, it is to heat and soften transparent thermoplastic high-molecular diaphragm at default mould Type.Such as hot pressing matrix is made using the TPU double-layer coextrusion of different hardness in patent CN207666718U, but this diaphragm rescues progress Slowly, wear comfort is lacking, and it is also not high to rescue accuracy, and needs frequent updating appliance, wastes many manpower objects Power, higher cost.

Summary of the invention

To solve the above problems, the present invention provides one kind to rescue with selfreparing hot pressing diaphragm, can automatically revert to pre- The mould shapes first set realize self-repair function, improve and wear according to the Orthodontic force of tooth rescued degree and generate corresponding size Wear comfort level.

One kind provided by the invention is rescued with selfreparing hot pressing diaphragm, and described rescue with selfreparing hot pressing diaphragm includes interior Layer, middle layer and outer layer, the internal layer are soft high-biocompatibility thermoplastic macromolecule material film layer, and the middle layer is heat Plasticity shape-memory material film layer, the outer layer are wear-resisting type thermoplastic macromolecule material film layer.

Preferably, it rescues above-mentioned in selfreparing hot pressing diaphragm, the middle layer is thermotropic induction type thermoplasticity shape Memory material film layer, electroluminescent induction type thermoplasticity shape-memory material film layer, photic induction type thermoplasticity shape-memory material film Layer or chemistry cause induction type thermoplasticity shape-memory material film layer.

Preferably, it rescues above-mentioned in selfreparing hot pressing diaphragm, the middle layer is polynorbornene layer, styrene- Butadiene copolymer layer, anti-form-1,4- polyisoprene layer, shape memory polyurethane layer or cross-linked polyethylene layer.

Preferably, rescue above-mentioned in selfreparing hot pressing diaphragm, the thickness range of the internal layer be 0.025mm extremely 0.100mm。

Preferably, rescue above-mentioned in selfreparing hot pressing diaphragm, the thickness range of the middle layer be 0.2mm extremely 2.3mm。

Preferably, rescue above-mentioned in selfreparing hot pressing diaphragm, the thickness range of the outer layer be 0.025mm extremely 0.100mm。

Preferably, it rescues above-mentioned in selfreparing hot pressing diaphragm, the internal layer is thermoplasticity silastic-layer, thermoplastic poly Urethane layer, TPE layers, TPV layers, polyolefin blend elastomer layer or thermoplastic polyamide elastomer's layer.

Preferably, it rescues above-mentioned in selfreparing hot pressing diaphragm, the outer layer is polyethylene layer, polypropylene layer, polyphenyl Pvdf layer, polymethyl methacrylate layers, polyvinyl chloride layer, nylon layer, Polycarbonate Layer, layer of polyurethane, polytetrafluoroethylene ethylene layer Or polyethylene terephthalate layer.

As can be seen from the above description, it is provided by the invention it is above-mentioned rescue with selfreparing hot pressing diaphragm, rescue use due to described Selfreparing hot pressing diaphragm includes internal layer, middle layer and outer layer, and middle layer is thermoplasticity shape-memory material film layer, first by tooth mould Type and this selfreparing hot pressing diaphragm be put into hot-press forming device carry out selfreparing hot pressing diaphragm first one-step forming, obtain from Repair hot pressing diaphragm shape be exactly it is identical as this tooth model for thinking morphing effects to be achieved, then according to middle layer material The selfreparing hot pressing diaphragm is softened under corresponding initiation conditions, the selfreparing hot pressing diaphragm after softening is rectified by the type of material It controls device to be worn in patient oral cavity, diaphragm loses corresponding initiation conditions under oral environment, therefore can be according to shape memory Principle, to revert to original shape, to generate Orthodontic force, and this Orthodontic force can be according to patient's rectifying effect from homophony It is whole, preset mould shapes can be automatically reverted to, according to the Orthodontic force of tooth rescued degree and generate corresponding size, It is exactly that the teeth patterning of some position and tooth model differ bigger, the Orthodontic force of generation is bigger, and vice versa, it is seen that in this way It can be realized as self-repair function, improve wear comfort, replace appliance without midway, brought to patient more multi-party Just.

Detailed description of the invention

In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis The attached drawing of offer obtains other attached drawings.

Fig. 1 is a kind of schematic diagram rescued with selfreparing hot pressing diaphragm provided by the present application；

Fig. 2 is the schematic diagram of coextrusion mold device；

Fig. 3 is the schematic diagram of Extrusion Coating equipment.

Specific embodiment

Core of the invention is to provide one kind and rescues with selfreparing hot pressing diaphragm, can automatically revert to preset mould Type shape realizes self-repair function, improves wear comfort according to the Orthodontic force of tooth rescued degree and generate corresponding size.

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

It is provided by the present application a kind of to rescue that as shown in FIG. 1, FIG. 1 is the application offers with the embodiment of selfreparing hot pressing diaphragm A kind of schematic diagram rescued with selfreparing hot pressing diaphragm, it includes internal layer, middle layer and outer that this, which is rescued with selfreparing hot pressing diaphragm, Layer, internal layer are soft high-biocompatibility thermoplastic macromolecule material film layer 1, and so-called internal layer is exactly to be used to contact tooth here That layer, therefore select high-biocompatibility material, with realize contacted with the soft of tooth, avoid causing discomfort to human body, Middle layer is thermoplasticity shape-memory material film layer 2, uses shape-memory material, can reach and rescue accurate purpose, keep away Exempt from frequently to replace appliance, save material, time and human cost, outer layer is wear-resisting type thermoplastic macromolecule material film layer 3, institute Meaning outer layer is just an exposure to one layer of outside, when can largely extend appliance use using this wear-resisting material Between.

As can be seen from the above description, provided by the present application above-mentioned to rescue with selfreparing hot pressing diaphragm, it is preferred that emphasis is among it Layer is thermoplasticity shape-memory material film layer, and first tooth model and this selfreparing hot pressing diaphragm are put into hot-press forming device The first one-step forming of selfreparing hot pressing diaphragm is carried out, the shape of obtained selfreparing hot pressing diaphragm is exactly to think shape to be achieved with this The tooth model of state effect is identical, and then according to the type of intermediate layer material, this is reviewed one's lessons by oneself re-heat under corresponding initiation conditions Pressuring film plate softening, the selfreparing hot pressing diaphragm appliance after softening is worn in patient oral cavity, and diaphragm loses under oral environment Corresponding initiation conditions have been gone, therefore original shape can have been reverted to according to the principle of shape memory, have been rescued to generate Power, and this Orthodontic force can automatically revert to preset mould shapes according to patient's rectifying effect from main modulation, root It differs and gets over tooth model according to the teeth patterning of the Orthodontic force of tooth rescued degree and generate corresponding size, that is, some position Greatly, the Orthodontic force of generation is bigger, and vice versa, it is seen that this makes it possible to realize self-repair function, wear comfort is improved, Appliance is replaced without midway, brings more convenience to patient.

In the specific embodiment that one is rescued with selfreparing hot pressing diaphragm, middle layer 2 be can choose as thermotropic induction type Thermoplasticity shape-memory material film layer, electroluminescent induction type thermoplasticity shape-memory material film layer, photic induction type thermoplasticity shape Memory material film layer or chemistry cause induction type thermoplasticity shape-memory material film layer, it should be noted that when middle layer 2 is selected as When thermotropic induction type thermoplasticity shape-memory material film layer, when outer bound pair, it applies the influence of heating etc, it will be able to soften, Consequently facilitating be put into specific position in the oral cavity of human body, and after this influence disappears, which will restore to initially setting The position set is to realize rescuing for human teeth in such an embodiment, that is to say, that when certain tooth and production film The tooth model used when piece shape difference it is larger, then with the adjacent diaphragm portion of this tooth will to tooth apply compared with Big Orthodontic force promotes it to be remedied to position identical with tooth model, and vice versa, and this makes it possible to different according to tooth Until shape applies different Orthodontic forces, and this power can continue to orthodontic to correct position, replacement diaphragm is not needed, Save production cost and human cost.When using electroluminescent induction type thermoplasticity shape-memory material film layer, photic induction type thermoplastic Property shape-memory material film layer, chemistry when causing induction type thermoplasticity shape-memory material film layer, respectively can be in electricity, light and chemistry Soften under the influence of the external world, lose these influence after can become original shape again, realize orthodontic, can be according to actual needs Corresponding film layer is selected, is not intended to limit herein, certainly can also select other unlisted film layers herein, herein It is not intended to limit.

In more specific one embodiment, middle layer 2 can for polynorbornene layer, styrene-butadiene copolymer layer, Anti-form-1,4- polyisoprene layer, shape memory polyurethane layer or cross-linked polyethylene layer, can also be combination blend composition certainly, It does not also limit herein.Further, which is preferably the SM3520 of Mitsubishi heavy industry company, this SM3520 material Material is a kind of shape memory thermoplastic polyurethane, that is, a kind of thermotropic temperature sensing material, and glass transition temperature is 35 Celsius Degree can generate shape memory reply, this more meets the environment temperature in human oral cavity when environment temperature is in 35 degrees centigrade Degree.

In a preferred embodiment, the thickness range of internal layer 1 can be 0.025mm to 0.100mm, in addition, intermediate The thickness range of layer can be 0.2mm to 2.3mm, and the thickness range of outer layer can be 0.025mm to 0.100mm, can pass through Three-layer co-extruded or Extrusion Coating technique is processed into compound film sheet, and selfreparing hot pressing matrix, the total thickness of this diaphragm is made It can be preferably 0.25mm-2.5mm.

In another specific embodiment, internal layer 1 can be thermoplasticity silastic-layer, thermoplastic urethane layers, TPE Layer, TPV layer, polyolefin blend elastomer layer or thermoplastic polyamide elastomer's layer, or combinations thereof intermingling material etc. with Gao Sheng The thermoplastic material of object compatibility can also be combination blend composition certainly, also not limit herein.

In another specific embodiment, outer layer 3 can be polyethylene layer, polypropylene layer, polystyrene layer, poly- methyl Methyl acrylate layer, polyvinyl chloride layer, nylon layer, Polycarbonate Layer, layer of polyurethane, polytetrafluoroethylene ethylene layer or poly terephthalic acid Ethylene glycol ester layer can also be combination blend composition certainly, also not limit herein.

It is provided by the above embodiment rescue with the manufacture craft of selfreparing hot pressing diaphragm can there are two types of, the first is three layers Coextrusion process, with reference to Fig. 2, Fig. 2 is the schematic diagram of coextrusion mold device, including double screw extruder 201, co-extrusion modling Head 202, three-roll press-polishing unit 203, cooling deflector roll 204, traction cutting member 205 and finished product batch component 206, first by three Layer material is dry by drying system, and three kinds of materials are then separately added into three double screw extruders 201 under assigned temperature It squeezes out, the processing temperature of inner layer material double screw extruder is 180 to 220 DEG C, and engine speed is 150 to 500rpm, middle layer The processing temperature of material double screw extruder is 240 to 290 DEG C, and engine speed is 150 to 500rpm, and cladding material twin-screw squeezes The processing temperature of machine is 190 to 230 DEG C out, and engine speed is 150 to 500rpm, and the draw ratio of the screw rod of double screw extruder is excellent Select 32 to 40；Then three extruders are coextruded to form three-decker by three-layer co-extruded T-die, mold temperature 220 To 270 DEG C, sheet material is then made by the calendering of three-roll press-polishing unit 203, the temperature of three rollers is 70 to 160 DEG C, extrusion calendaring Sheet material is cooled down by 6 cooling deflector rolls 204, and chill-roll temperature is room temperature to 50 DEG C, then adjusts thickness, is finally cut with traction It cuts component 205 and finished product batches component 206 and cuts winding.

Second is Extrusion Coating technique, and with reference to Fig. 3, Fig. 3 is the schematic diagram of Extrusion Coating equipment, which includes internal layer Particle extruder 301, internal layer melting charge 302, symmetrical double-layered compound film head 303, interlayer substrates 304, outer layer melting charge 305 With skin granulate extruder 306, high-biocompatibility particulate material is dried first, 70 to 90 DEG C of drying temperature, when dry Between 2 to 6h, drying equipment be the baking oven with dehumidifier, water content require 0.05% hereinafter, then carry out substrate preheating, in Interlayer material is that substrate is preheated with open fire or band heater or METAL HEATING PROCESS drum, 120 DEG C of preheating temperature is extremely as substrate 190 DEG C, substrate preheating can improve coating bonding effect, then carry out the drying of thermoplastic wear resistant polymeric particles material, drying temperature 70 to 90 DEG C, drying time 2 to 6h, drying equipment be the baking oven with dehumidifier, water content require 0.05% hereinafter, again into Row extrusion is compound, internal layer and cladding material is combined on interlayer substrates 304 by the melting of extruder 301 and 306, extruder Processing temperature is 180 to 290 DEG C, and engine speed 150 to 500rpm, extruder draw ratio preferably 32 to 40 is finally cooled down Molding, compound film sheet are cooled and shaped using cooling unit, and cooling precision controlling adjusts pressure, make composite membrane within 2 DEG C Each layer is compound stronger.It should be noted that before diaphragm is put into hot-press forming device, it can be to diaphragm and tooth model Some pretreatments are carried out, for example spray some release agents on tooth model, in order to will can easily rectify after the completion of preparing Device to be controlled to take from tooth song model, diaphragm needs the wiped clean in advance by its surface before being put into hot-press forming device, with Some impurity are stayed on appliance when exempting from hot-forming.

In conclusion above-mentioned diaphragm provided by the present application have persistently rescue, adjustment Orthodontic force, the high grade of transparency, life Object compatibility is good, safe wearing is comfortable and rescues accurate advantage,

The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.