TW201522070A - Multi-density composite material structure and manufacturing method thereof - Google Patents
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本創作涉及一種多密度複合材料結構體及其製造方法，適用於植牙牙釘、骨釘、骨板、牙齒矯正器或長效型緩釋藥劑植入物等醫療用產品或其他須緩釋功能的工業用產品領域，或是芳香劑或驅蚊劑緩釋元件等產品領域。 The present invention relates to a multi-density composite structure and a manufacturing method thereof, which are suitable for medical products such as dental implants, bone nails, bone plates, orthodontic appliances or long-acting sustained-release implants or other functions requiring sustained release. In the field of industrial products, or in the field of products such as fragrances or insect repellent sustained-release components.
目前如植牙牙釘、骨釘、骨板、牙齒矯正器等產品主要係以不鏽鋼、鈦合金或陶瓷等材料製造預定之形狀，並依其產品特性安裝於人體的牙床、骨骼或連接於牙齒之間等。 At present, products such as dental implants, bone nails, bone plates, orthodontic appliances are mainly made of stainless steel, titanium alloy or ceramics, and are mounted on the gums, bones or teeth of the human body according to their product characteristics. Wait.
前述長期留置於人體內之植牙牙釘、骨釘、骨板等產品為促進骨質生長，於安裝前，該些植牙牙釘、骨釘、骨板等通常會先沾附一些骨粉、生長激素等物質，再進行與牙床或骨頭結合，惟前述沾附於植牙牙釘、骨釘、骨板上的骨粉、生長激素等物質於安裝時，接觸人體體液，易於流失，難以使該些骨粉、生長激素等物質發揮其效用，因此，如何使植牙牙釘、骨釘、骨板等產品具備良好儲存物質及適當速率釋放物質促進骨質生長，為目前該些產品亟待解決之問題。 The aforementioned long-term implanted dental nails, bone nails, bone plates and other products for promoting bone growth, before the installation, the dental implants, bone nails, bone plates, etc. usually first adhere to some bone powder, growth hormone, etc. The substance is combined with the gums or bones. However, the above-mentioned bone powder, growth hormone and other substances adhered to the dental implant nails, bone nails, bone plates and the like are in contact with human body fluid during installation, and are prone to loss, and it is difficult to make the bone powder and grow. Hormones and other substances exert their effects. Therefore, how to make dental implants, bone nails, bone plates and other products with good storage materials and appropriate rate release substances to promote bone growth is an urgent problem to be solved in these products.
此外，目前具有芳香劑或驅蚊劑釋放功能的 產品，其主要係於以吸附性材料吸入芳香劑或驅蚊劑等物質，再使該吸附材料直接曝露於空氣中，而釋放芳香劑或驅蚊劑等物質，以期達到環境增香或驅蚊之目的。 In addition, it currently has a fragrance or insect repellent release function. The product is mainly used for inhaling a fragrance or a mosquito repellent with an adsorbent material, and then directly exposing the adsorbent material to the air to release a fragrance or a mosquito repellent to achieve environmental aroma or mosquito repellent The purpose.
惟前述芳香劑或驅蚊劑釋放功能的產品，因係將其芳香劑或驅蚊劑吸附材料直接曝露於空氣中，不具備緩釋功能，易因芳香劑或驅蚊劑釋出速率過快而耗盡。再者，芳香劑或驅蚊劑吸附材料配戴於人體上使用時，也易發生芳香劑或驅蚊劑沾染人體皮膚或衣物之問題。 However, the above-mentioned products of the fragrance or insect repellent release function are directly exposed to the air by the fragrance or the insect repellent adsorbing material, and have no sustained release function, and are easily released due to the fragrance or the mosquito repellent. And exhausted. Furthermore, when the fragrance or insect repellent adsorbent is used on the human body, it is also prone to the problem that the fragrance or the mosquito repellent is contaminated with human skin or clothing.
本創作之主要目的在於提供一種多密度複合材料結構體及其製造方法，希藉此創作，解決現有醫療用產品未能適當儲存物質與以適當速率釋放物質，以及芳香劑或驅蚊劑釋放產品不具備緩釋功能等問題。 The main purpose of this creation is to provide a multi-density composite structure and a method for its manufacture, which are intended to solve the problem that existing medical products fail to properly store substances and release substances at an appropriate rate, as well as fragrances or insect repellent release products. Does not have problems with slow release function.
為達成前揭目的，本創作所提出之多密度複合材料結構體，係包含一高密度多孔性材料層與一低密度多孔性材料層，所述高密度多孔性材料層與低密度多孔性材料層相互接觸結合成一體。 In order to achieve the foregoing, the multi-density composite structure proposed by the present invention comprises a high-density porous material layer and a low-density porous material layer, and the high-density porous material layer and the low-density porous material. The layers are combined with each other to form an integral body.
藉由前揭多密度複合材料結構體創作，其特點係利用高、低密度相異的多孔性材料層結合之複合結材料結構體，其中利用低密度多孔性材料層之多數孔洞，得依產品需求吸附特定功能的物質，另利用高密度多孔性材料層強度高，對該多密度複合材料結構體提供必要的結構強度，且提供少量孔洞，而能依物質釋出速率設定由低密度多孔性材料層直接對外釋放物質，或使物質由低密度多孔性材料層通過高密度多孔性金屬材料層的孔洞緩釋物質 ，如此，使本創作多密度複合材料結構體能夠廣泛地應用於植牙牙釘、骨釘、骨板或牙齒矯正器等產品領域或其他須緩釋功能的工業用產品領域。 By exposing the creation of a multi-density composite structure, it is characterized by the use of a composite material structure in which a high-density and low-density porous material layer is combined, wherein a majority of the pores of the low-density porous material layer are used, and the product is obtained. The material that needs to adsorb a specific function, and the high-density porous material layer have high strength, provides the necessary structural strength to the multi-density composite material structure, and provides a small amount of pores, and can be set by the low-density porosity according to the substance release rate. The material layer directly releases the substance to the outside, or causes the substance to pass through the hole of the low-density porous material layer through the hole of the high-density porous metal material layer. In this way, the multi-density composite structure of the present invention can be widely applied to product fields such as dental implants, bone nails, bone plates or orthodontics or other industrial products requiring sustained release functions.
本創作另外提出之多密度複合材料結構體製造方法係包含以下步驟：使用模具多次依序將原料粉末以粉末射出成形手段以製成具有複數層相異密度的複合成形胚；以及對複合成形胚施以脫脂燒結手段，以製成一結合有高密度多孔性材料層與低密度多孔性材料層之複層式多密度複合材料結構體。 The multi-density composite structure manufacturing method additionally proposed by the present invention comprises the steps of: sequentially using the mold to sequentially perform the powder injection molding means to form a composite shaped embryo having a plurality of layers of different density; and The embryo is subjected to a degreasing sintering method to form a multi-layered multi-density composite structure in which a layer of a high-density porous material and a layer of a low-density porous material are combined.
藉由前揭多密度複合材料結構體製造方法之創作，其主要係以多次依序粉末射出成形配合脫脂燒結手段形成相互結合一體的複層相異密度的多孔性材料層，以實現前揭多密度複合材料結構體之成形製造，達到多密度複合材料結構特有兼具提供必要結構強度與吸附物質依設定速率釋出物質之功能。 By the creation of the multi-density composite structure manufacturing method, the main method is to form a multi-layer porous material layer with a plurality of layers of mutually different density by multiple sequential powder injection molding and degreasing sintering means. The multi-density composite structure is formed and manufactured to achieve the function of providing the necessary structural strength and the release of the adsorbed substance at a set rate.
10A‧‧‧多孔性材料層 10A‧‧‧Polyporous material layer
10B‧‧‧多孔性材料層 10B‧‧‧Polyporous material layer
圖1係本創作多密度複合材料結構體之第一較佳實施例的剖面示意圖。 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view showing a first preferred embodiment of the present multi-density composite structure.
圖2係本創作多密度複合材料結構體之第二較佳實施例的剖面示意圖。 2 is a schematic cross-sectional view showing a second preferred embodiment of the present multi-density composite structure.
圖3係本創作多密度複合材料結構體之第三較佳實施例的剖面示意圖。 3 is a schematic cross-sectional view showing a third preferred embodiment of the present multi-density composite structure.
圖4係本創作多密度複合材料結構體之第四較佳實施 例的剖面示意圖。 Figure 4 is a fourth preferred embodiment of the present multi-density composite structure A schematic cross-sectional view of an example.
圖5係本創作多密度複合材料結構體之第五較佳實施例的剖面示意圖。 Figure 5 is a cross-sectional view showing a fifth preferred embodiment of the present multi-density composite structure.
圖6係本創作多密度複合材料結構體製成人工牙根型態的剖面示意圖。 Fig. 6 is a schematic cross-sectional view showing the artificial root pattern of the multi-density composite structure of the present invention.
圖7係本創作多密度複合材料結構體製成人工牙根型態的示意圖。 Fig. 7 is a schematic view showing the artificial root pattern of the multi-density composite structure of the present invention.
圖8係本創作多密度複合材料結構體製成牙齒矯正器型態的示意圖。 Fig. 8 is a schematic view showing the shape of a dental appliance made by the present multi-density composite structure.
圖9係本創作多密度複合材料結構體製成項鍊飾品型態的剖面示意圖。 Fig. 9 is a schematic cross-sectional view showing the shape of a necklace ornament made by the multi-density composite structure of the present invention.
圖10係本創作多密度複合材料結構體製成手環飾品型態的剖面示意圖。 Fig. 10 is a schematic cross-sectional view showing the form of a bracelet ornament made by the multi-density composite structure of the present invention.
圖11係本創作多密度複合材料結構體的製造方法之流程圖。 Figure 11 is a flow chart showing a method of manufacturing the multi-density composite structure of the present invention.
本創作係包含多密度複合材料結構體及其製造方法，以下配合圖式及本發明之較佳實施例，進一步闡述本發明為達成預定發明目的所採取的技術手段。 The present invention includes a multi-density composite structure and a method of manufacturing the same. The following is a description of the preferred embodiment of the present invention, and further illustrates the technical means by which the present invention achieves the intended purpose of the invention.
本創作多密度複合材料結構體可應用於植牙牙釘、骨釘、骨板、牙齒矯正器、長效型緩釋物質植入物、芳香劑或驅蚊劑緩釋元件(如項鍊、項圈、手環或戒指等飾品)或其他須緩釋功能的工業產品等，並依前述產品的型式製作成預定的形狀。 The multi-density composite structure can be applied to implant dental nails, bone nails, bone plates, dental appliances, long-acting sustained-release implants, fragrances or insect repellent sustained release components (such as necklaces, collars, An accessory such as a bracelet or a ring or other industrial product that requires a slow release function, and is formed into a predetermined shape according to the type of the aforementioned product.
有關本創作多密度複合材料結構體之組成構 造，如圖1所示，所述多密度複合材料結構體之組成構造係包含二不等密度的多孔性材料層10A、10B，其一多孔性材料層10A為低密度多孔性材料層，另一多孔性材料層10B為高密度多孔性材料層，該二不等密度的多孔性材料層10A、10B相互接觸結合成一體，該二不等密度的多孔性材料層10A、10B之材料組成成分可為相同或不相同，所述低密度多孔性材料層10A係指密度介於50%~85%之多孔性材料層，所述高密度多孔性材料層10B係指密度介於85%~100%之多孔性材料層。所述低密度多孔性材料層10A與高密度多孔性材料層10B之厚度及密度依所應用之產品而設定。 The composition of the multi-density composite structure of the present creation As shown in FIG. 1 , the multi-density composite structure comprises a porous material layer 10A, 10B having a unequal density, and a porous material layer 10A is a low-density porous material layer. The other porous material layer 10B is a high-density porous material layer, and the two unequal-density porous material layers 10A, 10B are integrally combined with each other, and the materials of the two unequal-density porous material layers 10A, 10B The composition may be the same or different, and the low-density porous material layer 10A refers to a porous material layer having a density of 50% to 85%, and the high-density porous material layer 10B refers to a density of 85%. ~100% porous material layer. The thickness and density of the low-density porous material layer 10A and the high-density porous material layer 10B are set depending on the product to be applied.
如圖1及圖2所示，所述多密度複合材料結構體可以所述低密度多孔性材料層10A與高密度多孔性材料層10B中之任一多孔性材料層10A、10B作為該多密度複合材料結構體之內層，餘一多孔性材料層10A、10B作為該多密度複合材料結構體之外層，作為外層之多孔性材料層10A、10B可完全或部分包覆內層之多孔性材料層10A、10B。如圖1及圖3所示，即高密度多孔性材料層10B與低密度多孔性材料層10A可依產品的需求互換其位於內層或外層之位置。或者，如圖4所示，所述低密度多孔性材料層10A與高密度多孔性材料層10B亦可分別位於該多密度複合材料結構體相對的兩側。 As shown in FIG. 1 and FIG. 2, the multi-density composite material structure may be any of the low-density porous material layer 10A and the high-density porous material layer 10B as the porous material layer 10A, 10B. The inner layer of the density composite structure, the remaining porous material layers 10A, 10B are used as the outer layer of the multi-density composite material structure, and the porous material layers 10A, 10B as the outer layer may completely or partially coat the inner layer of the porous layer. Material layers 10A, 10B. As shown in FIGS. 1 and 3, the high-density porous material layer 10B and the low-density porous material layer 10A can be interchanged at the position of the inner layer or the outer layer depending on the requirements of the product. Alternatively, as shown in FIG. 4, the low-density porous material layer 10A and the high-density porous material layer 10B may also be located on opposite sides of the multi-density composite material structure, respectively.
前述多密度複合材料結構體中，其藉由高密度多孔性材料層10B提供所述多密度複合材料結構體所需的結構強度，低密度多孔性材料層10A中多數孔洞提供物 質的儲存空間，使該多密度複合材料結構體具有釋放物質的功能，並依多密度複合材料結構體應用之產品所需釋放物質的速率，選擇低密度多孔性材料層10A位於內層(如圖1所示)或位於外層(如圖3所示)。其中，如圖1所示，低密度多孔性材料層10A位於內層，高密度多孔性材料層10B位於外層時，可以達成緩釋物質的效果；如圖3低密度多孔性材料層10A位於外層時，可以達成較快的釋放物質的效果。 In the above multi-density composite material structure, the structural strength required for the multi-density composite material structure is provided by the high-density porous material layer 10B, and most of the pore supply in the low-density porous material layer 10A The storage space allows the multi-density composite structure to function as a release material, and the layer of low-density porous material 10A is located in the inner layer according to the rate of release of the product required for the product of the multi-density composite structure (eg, Figure 1) or located in the outer layer (as shown in Figure 3). Wherein, as shown in FIG. 1, the low-density porous material layer 10A is located in the inner layer, and the high-density porous material layer 10B is located in the outer layer, and the effect of the sustained-release substance can be achieved; as shown in FIG. 3, the low-density porous material layer 10A is located in the outer layer. At the same time, a faster release of the substance can be achieved.
如圖4所示，本創作多密度複合材料結構體之組成構造中，除可為低密度多孔性材料層10A與高密度多孔性材料層10B分別位於該多密度複合材料結構體相對的兩側，為雙層式多密度複合材料結構體。如圖5所示，所述多密度複合材料結構體尚可依產品構造創作的需求，增設至少一多孔性材料層10A、10B，且相鄰接之多孔性材料層10A、10B之密度不等，而為三層或三層以上之多密度複合材料結構體。例如：二高密度多孔性材料層10B間夾設一低密度多孔性材料層10A之多層式多密度複合材料結構體。 As shown in FIG. 4, in the composition structure of the present multi-density composite material structure, except that the low-density porous material layer 10A and the high-density porous material layer 10B are respectively located on opposite sides of the multi-density composite material structure. It is a two-layer multi-density composite structure. As shown in FIG. 5, the multi-density composite material structure may further add at least one porous material layer 10A, 10B according to the requirements of product structure creation, and the density of adjacent porous material layers 10A, 10B is not Etc., but a multi-density composite structure of three or more layers. For example, a multilayer multi-density composite structure in which a low-density porous material layer 10A is interposed between two high-density porous material layers 10B.
所述多密度複合材料結構體之多孔性材料層係依預定製成的產品類別而選擇相應的適當材料，且所述二不等密度的多孔性材料層之材料組成成分可為相同或不相同，例如：所述多密度複合材料結構體應用於植牙牙釘、骨釘、骨板或牙齒矯正器或長效型緩釋物質植入物等產品時，所述多孔性材料層係選用與人體具有相容性且無害人體之材料，如不鏽鋼(如材料編號316L等)、純鈦、鈦 合金、6Al-4V-Ti合金、陶瓷等。 The porous material layer of the multi-density composite material structure is selected according to a predetermined product category, and the material composition of the two unequal density porous material layers may be the same or different. For example, when the multi-density composite structure is applied to a product such as a dental implant, a bone nail, a bone plate or an orthodontic device or a long-acting sustained-release substance implant, the porous material layer is selected from the human body. Compatible and harmless human materials, such as stainless steel (such as material number 316L, etc.), pure titanium, titanium Alloy, 6Al-4V-Ti alloy, ceramics, etc.
本創作多密度複合材料結構體會因不同的產品而有不同的實施方式，以下進一步就本創作多密度複合材料結構體之各種應用例提出說明：如圖6所示，係揭示本創作多密度複合材料結構體應用於人工牙根之一較佳實施例，其中，位於內層為低密度多孔性材料層10A，包覆於低密度多孔性材料層10A外側的外層為高密度多孔性材料層10B，並以內層之低密度多孔性材料層10A之多數孔洞中預先儲存促進骨質生長藥劑(如骨粉、幹細胞，生長激素…)、抗發炎藥劑等物質。當該人工牙根植入人體牙床上，其中藉由外層之高密度多孔性材料層10B提供人工牙根適當的結構強度與牙床穩固地結合，位於內層之低密度多孔性材料層10A孔洞中存置的物質通過外層之高密度多孔性材料層10B之孔洞限制釋出，而能產生長時間緩釋物質的效果，使人工牙根與牙床之骨質間能夠獲得良好的生長或防止細菌感染等效果。前述低密度多孔性材料層10A之多數孔洞中預先儲存一種以上的藥劑時，根據不同的藥劑的藥性及需求，而能藉由前述多密度複合材料結構體的緩釋物質功能而產生不同的效果。 The multi-density composite structure of the present invention has different implementation modes for different products. The following further illustrates various application examples of the multi-density composite structure of the present invention: as shown in FIG. 6, the multi-density composite of the creation is revealed. A preferred embodiment of the material structure applied to the artificial root, wherein the inner layer is a low-density porous material layer 10A, and the outer layer coated on the outer side of the low-density porous material layer 10A is a high-density porous material layer 10B. Further, a substance for promoting bone growth (such as bone powder, stem cells, growth hormone, ...), an anti-inflammatory agent, and the like are stored in a plurality of pores of the inner layer of the low-density porous material layer 10A. When the artificial root is implanted on the human gum, wherein the outer layer of the high-density porous material layer 10B provides the artificial root, the structural strength is firmly combined with the gum, and is stored in the inner layer of the low-density porous material layer 10A. The substance is released by the pores of the outer layer of the high-density porous material layer 10B, and the effect of prolonged release of the substance can be produced, so that the artificial root and the bone of the gum can obtain good growth or prevent bacterial infection. When one or more kinds of chemicals are stored in a plurality of pores of the low-density porous material layer 10A, different effects can be produced by the function of the sustained-release substance of the multi-density composite material structure depending on the drug properties and requirements of the different chemicals. .
當本創作多密度複合材料結構體應用於牙齒矯正器之實施例，如圖7所示，其位於內層為低密度多孔性材料層10A，包覆於低密度多孔性材料層10A外側的外層為高密度多孔性材料層10B，並以內層之低密度多孔性材料層10A之多數孔洞中預先存置防止蛀牙的藥劑(如氟 …)等，當該牙齒矯正器安裝於牙齒上，其中藉由外層之高密度多孔性材料層10B提供適當的結構強度與牙齒穩固地結合定位，位於內層之低密度多孔性材料層10A孔洞中浸存的藥劑通過外層之高密度多孔性材料層10B之孔洞限制釋出，而能產生長時間緩釋藥劑，而達成防止蛀牙之效果。 When the present multi-density composite structure is applied to an orthodontic embodiment, as shown in FIG. 7, the inner layer is a low-density porous material layer 10A, and the outer layer is coated on the outer side of the low-density porous material layer 10A. The high-density porous material layer 10B is preliminarily placed in the pores of the low-density porous material layer 10A of the inner layer to prevent cavities (such as fluorine). ...), etc., when the orthodontic device is mounted on the tooth, wherein the outer layer of the high-density porous material layer 10B provides a suitable structural strength and the teeth are firmly combined and positioned, and the inner layer of the low-density porous material layer 10A is bored. The drug immersed in the medium is released by the pores of the outer layer of the high-density porous material layer 10B, and the drug can be released for a long period of time to achieve the effect of preventing tooth decay.
如圖8所示，係揭示一種多密度複合材料結構體應用於皮下植入藥劑載體之較佳實施例，其中，位於內層為低密度多孔性材料層10A，包覆於低密度多孔性材料層10A外側的外層為高密度多孔性材料層10B，並以內層之低密度多孔性材料層10A之多數孔洞中預先存置如避孕劑、胰島素…等藥劑，再以該皮下植入藥劑載體植入人體皮下組織中，使藥劑透過該多密度複合材料結構體特殊的構造緩釋藥劑，當所述多密度複合材料結構體選用金屬材料製成時，則可進一步利用金屬感測器尋找定位該皮下植入藥劑載體之位置。 As shown in FIG. 8, a preferred embodiment of a multi-density composite material structure for subcutaneous implantation of a drug carrier is disclosed, wherein the inner layer is a low-density porous material layer 10A coated with a low-density porous material. The outer layer on the outer side of the layer 10A is a high-density porous material layer 10B, and a drug such as a contraceptive agent, an insulin, or the like is preliminarily stored in a plurality of holes of the inner layer of the low-density porous material layer 10A, and then implanted by the subcutaneous implanted drug carrier. In the subcutaneous tissue of the human body, the medicament is passed through the special structure of the multi-density composite structure to release the medicament. When the multi-density composite structure is made of a metal material, the metal sensor can be further used to locate and locate the subcutaneous tissue. The location of the implanted drug carrier.
如圖9、圖10所示，係揭示一種多密度複合材料結構體應用於芳香劑、精油或驅蚊劑緩釋元件之較佳實施例，所述芳香劑或驅蚊劑緩釋元件可製成項鍊(圖9所示者)、項圈、手環(圖10所示者)或戒指等飾品等產品，所述芳香劑或驅蚊劑緩釋元件中，位於內層為低密度多孔性材料層10A，包覆於低密度多孔性材料層10A外側的外層為高密度多孔性材料層10B，並以內層之低密度多孔性材料層10A之多數孔洞中浸存芳香劑、精油或驅蚊劑等物質，另以外層之高密度多孔性材料層10B提供該飾品必 要的結構強度。當該芳香劑、精油或驅蚊劑緩釋元件供使用者配帶於身上，使芳香劑、精油或驅蚊劑透過該多密度複合材料結構體特殊的構造提供長時間緩釋物質。 As shown in FIG. 9 and FIG. 10, a preferred embodiment of a multi-density composite material structure applied to a fragrance, an essential oil or a mosquito repellent sustained-release element can be disclosed. A product such as a necklace (shown in FIG. 9), a collar, a bracelet (shown in FIG. 10), or a ring, etc., in the fragrance or insect repellent sustained-release element, the inner layer is a low-density porous material. The layer 10A, the outer layer coated on the outer side of the low-density porous material layer 10A is a high-density porous material layer 10B, and is immersed in a large number of pores of the inner layer of the low-density porous material layer 10A with a fragrance, an essential oil or a mosquito repellent. And other materials, another layer of high-density porous material layer 10B provides the jewelry must The structural strength required. When the fragrance, essential oil or insect repellent sustained release component is provided to the user, the fragrance, the essential oil or the mosquito repellent can provide a long-term sustained release substance through the special structure of the multi-density composite structure.
前述之飾品還可進一步令位於內層之低密度多孔性材料層10A未完全為外層之高密度多孔性材料層10B所包覆，使低密度多孔性材料層10A之小區域顯露於高密度多性材料層10B之缺口處。當低密度多孔性材料層10A多數孔洞中預存之芳香劑、精油或驅蚊劑等物質耗盡時，使用者可經由外層高密度多孔性材料層10B之缺口處對內層低密度多孔性材料層10A添加液態的芳香劑、精油或驅蚊劑等物質，使該飾品能夠重複發揮其環境增香或驅蚊功能。 The above-mentioned jewelry can further coat the low-density porous material layer 10A located in the inner layer without the outer layer of the high-density porous material layer 10B, and expose the small area of the low-density porous material layer 10A to a high density. The gap of the material layer 10B. When a pre-existing fragrance, essential oil or mosquito repellent in a large number of pores of the low-density porous material layer 10A is exhausted, the user can pass the outer layer of the low-density porous material to the inner layer of the high-density porous material layer 10B. The layer 10A is added with a liquid fragrance, an essential oil or a mosquito repellent to enable the accessory to repeatedly exert its environmental aroma or mosquito repellent function.
為實現前述多密度複合材料結構體，本創作進一步提供了該多密度複合材料結構體的製造方法，如圖11所示，該多密度複合材料結構體的製造方法係包含以下步驟：使用模具多次依序將原料粉末以粉末射出成形手段以製成具有複數相異密度材料層的複合成形胚；以及對複合成形胚施以脫脂燒結手段，以製成一結合有高密度多孔性材料層與低密度多孔性材料層之複層式多密度複合材料結構體。 In order to realize the foregoing multi-density composite structure, the present invention further provides a method for manufacturing the multi-density composite structure. As shown in FIG. 11, the method for manufacturing the multi-density composite structure includes the following steps: using a mold The raw material powder is sequentially subjected to a powder injection molding method to form a composite shaped embryo having a plurality of layers of different density material layers; and the composite shaped embryo is subjected to a degreasing sintering method to form a layer of high density porous material combined with A multi-layered multi-density composite structure of a low-density porous material layer.
所述使用模具多次依序原料粉末以粉末射出成形手段以製成具有複數層相異密度的複合成形胚步驟中，當所述複層式多密度複合材料結構體為雙層式構造時，其係將第一原料粉末以粉末射出成形手段成形一第一預成 形胚；接續將第一預成形胚置入於一模具，並將粒徑不等於第一原料粉末粒徑之第二原料粉末以粉末射出成形手段於該第一預成形胚上成形一相異密度的第二預成形胚以製成雙層式複合成形胚。 The step of using the mold to sequentially prepare the raw material powder by powder injection molding to form a composite shaped embryo having a plurality of layers of different density, when the multi-layered multi-density composite structure is a two-layer structure, The first raw material powder is formed into a first pre-form by powder injection molding means. Forming the embryo; successively placing the first preformed preform in a mold, and forming a second raw material powder having a particle diameter not equal to the particle diameter of the first raw material powder to form a different shape on the first preformed embryo by powder injection molding means The second preformed embryo of density is made into a two-layer composite shaped embryo.
前述中，所述第一原料粉末、第二原料粉末係依預定成形製造之產品之第一、第二多孔性材料層的密度，而分別選用適量相應粒徑的粉末，即預定成形之第一或第二多孔性材料層的密度為低密度多孔性材料層時，係選用大粒徑的原料粉末；若為高密度多孔性材料層時，係選用小粒徑的原料粉末。所述粉末射出成形手段之工作溫度約為250℃~600℃。 In the above, the first raw material powder and the second raw material powder are respectively selected according to the density of the first and second porous material layers of the product which is formed by the predetermined molding, and the powder of the corresponding particle diameter is selected, that is, the predetermined forming When the density of the first or second porous material layer is a low-density porous material layer, a raw material powder having a large particle diameter is selected; and in the case of a high-density porous material layer, a raw material powder having a small particle diameter is selected. The powder injection molding apparatus has an operating temperature of about 250 ° C to 600 ° C.
所述使用模具多次依序原料粉末以粉末射出成形手段以製成具有複數層相異密度的複合成形胚步驟中，當所述複層式多密度複合材料結構體為三層式構造時，其係將第一原料粉末以粉末射出成形手段成形一第一預成形胚，接續將第一預成形胚置入一中間模具中，再以異於第一原料粉末粒徑的中間原料粉末以粉末射出成形手段於第一預成形胚外側形成一附加材料層，之後，將第一預成胚及其外側結合的附加材料層一同置入一模具中，將粒徑不等於中間原料粉末之第二原料粉末以粉末射出成形手段於該附加材料層上成形一第二預成形胚以製成所述複合成形胚。所述第一原料粉末、中間原料粉末及第二原料粉末係依預定成形製造之產品之第一、第二多孔性材料層以及附加材料層的密度，而分別選用適量相應粒徑的粉末，即預定成形之第一、第二多孔性材料層或附加材料層的密度 為低密度多孔性材料層時，係選用大粒徑的原料粉末；若為高密度多孔性材料層時，係選用小粒徑的原料粉末。所述粉末射出成形手段之工作溫度約為250℃~600℃。同理，當所述複層式多密度複合材料結構體為三層以上之構造時，則係依序重複粉末射出成形附加材料層的次數。 The step of using the mold to sequentially prepare the raw material powder by powder injection molding to form a composite shaped embryo having a plurality of layers of different density, when the multi-layered multi-density composite structure is a three-layer structure, The first raw material powder is formed into a first preformed preform by a powder injection molding method, and the first preformed embryo is successively placed in an intermediate mold, and then the intermediate raw material powder having a particle size different from the first raw material powder is powdered. The injection molding means forms an additional material layer on the outer side of the first pre-formed embryo, and then the first pre-embryo and the outer layer of the additional material layer are placed together in a mold, and the particle size is not equal to the second of the intermediate raw material powder. The raw material powder is formed into a second preformed embryo on the additional material layer by powder injection molding to form the composite shaped embryo. The first raw material powder, the intermediate raw material powder and the second raw material powder are respectively selected according to the density of the first and second porous material layers and the additional material layer of the product which is formed by molding, and an appropriate amount of the powder of the corresponding particle diameter is used. That is, the density of the first or second porous material layer or the additional material layer which is to be formed. When the layer is a low-density porous material, a raw material powder having a large particle diameter is used; and in the case of a high-density porous material layer, a raw material powder having a small particle diameter is used. The powder injection molding apparatus has an operating temperature of about 250 ° C to 600 ° C. Similarly, when the multi-layered multi-density composite structure has a structure of three or more layers, the number of times of powder injection molding of the additional material layer is sequentially repeated.
所述對複合成形胚施以脫脂燒結之步驟中，所述脫脂燒結溫度及脫脂燒結時間係依第一、第二原料粉末及中間原料粉末所選的材料而設定。以雙層式多密度複合材料結構體的製造方法為例，其脫脂燒結溫度約為1000℃~1400℃、脫脂燒結時間30分鐘至3小時，使大粒徑或小粒徑的第一原料粉末燒結形成低密度或高密度的第一多孔性材料層，使大粒徑或小粒徑的第二原料粉末燒結形成低密度或高密度的第二多孔性材料層，第二多孔性材料層之密度不同於第一多孔性材料層，藉以形成具有兩種不同密度多孔性材料層之雙層式多密度複合材結構體。 In the step of applying degreasing and sintering to the composite shaped preform, the degreasing sintering temperature and the degreasing sintering time are set according to materials selected from the first and second raw material powders and the intermediate raw material powder. Taking the manufacturing method of the double-layer multi-density composite structure as an example, the degreasing sintering temperature is about 1000 ° C to 1400 ° C, and the degreasing sintering time is 30 minutes to 3 hours, so that the first raw material powder having a large particle size or a small particle diameter is obtained. Sintering to form a low-density or high-density first porous material layer, and sintering the large- or small-diameter second raw material powder to form a low-density or high-density second porous material layer, the second porosity The density of the material layer is different from the first porous material layer, thereby forming a two-layer multi-density composite structure having two layers of different density porous materials.
前述中，於複合成形胚施以脫脂燒結以製成複層式多密度複合材料結構體之步驟後，對該已燒結成形之複層式多密度複合材料結構體還可進一步施以熱均壓(HIP)之步驟。 In the foregoing, after the step of decompressing and sintering the composite shaped embryo to form the multi-layered multi-density composite structure, the sintered multi-density composite structure may be further subjected to heat equalization. (HIP) steps.
以上所述僅是本創作的較佳實施例而已，並非對本創作做任何形式上的限制，雖然本創作已以較佳實施例揭露如上，然而並非用以限定本創作，在不脫離本創作技術方案的範圍內，當可利用上述揭示的技術內容作出些許更動或修飾為等同變化的等效實施例，但凡是未脫離本創作技術方案的內容，依據本創作的技術實質對以上實 施例所作的任何簡單修改、等同變化與修飾，均仍屬於本創作技術方案的範圍內。 The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, without departing from the present invention. In the scope of the present invention, when the above-disclosed technical content can be used to make some modifications or modifications to equivalent embodiments, the content of the present invention is not deviated from the technical solution of the present invention. Any simple modifications, equivalent changes and modifications made by the examples are still within the scope of the present technical solution.
10A‧‧‧多孔性材料層 10A‧‧‧Polyporous material layer
10B‧‧‧多孔性材料層 10B‧‧‧Polyporous material layer
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| CN108606419A (en) * | 2018-05-14 | 2018-10-02 | 张建俊 | Ornaments |
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| EP2005975A4 (en) * | 2006-03-10 | 2012-09-12 | Takiron Co | Composite implant material |
| RU2429067C1 (en) * | 2009-12-25 | 2011-09-20 | Общество с ограниченной ответственностью ООО "Аквафор" (ООО "Аквафор") | Composite material |
| TW201127343A (en) * | 2010-02-05 | 2011-08-16 | Univ Nat Taipei Technology | A composite bio-ceramic dental implant and fabricating method thereof |
| US8368106B2 (en) * | 2010-11-04 | 2013-02-05 | Industrial Technology Research Institute | Gradient composite material and method of manufacturing the same |
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