201130546 六、發明說明： 【發明所屬之技術領域】 本發明是有關於一種彈性護具，特別是指一種用於護 套與支撐一使用者的身體部位的彈性護具（resilent protective wrap) ° 【先前技術】 現有的彈性護具，例如，腕帶（wrist band)、手部護具 (hand braces)、腰帶（waist band)及踝關節支撐護具（ankle support)等，可在一使用者進行治療、活動身體、運動及其 他活動時用來護套包覆該使用者的身體特定部位以保護肢 體，尤其是用以保護關節部位。現有的彈性護具通常是有 多數層的織物材質所製成，並具有二層可伸縮的織物層， 及-層夾設在該二層&物層<間而由合成橡膠或氯丁橡膠 所製成的橡膠層。該橡膠材質具有高彈性而能夠提供伸縮 性，並能夠表現較佳的回復性（rest〇Hng f〇rce)以順應該使用 者的身體部位提供足夠的壓縮性，此外，該橡膠材質還能 透過高拉力強度提供較高的耐用性。然而，使用橡膠材質 為原料及其製程具有造成環境污染的缺點，而不易散熱與 不透氣及重量較重的性質也導致使用者在穿戴使用該護具 時較不舒服。 水性聚氨醋（Water-based p〇lyurethane)為不含溶劑且環 保的材質。以水性聚氨S旨所製出的具開放式泡孔結構的發 泡體具有透氣性’ ϋ已廣泛應用於合成皮革製品及直他不 需具備高彈性與良好回復性的紡織產品上。目前二水性 201130546 聚氨醋所製出的具開放彳峋丨 式泡孔、，Ό構的發泡體通常被製成厚 度小於1 mm塗覆層使用。 【發明内容】 因此，本發明的目的，是 的散熱與透氣性的彈性護具。k供—種壤保並具有良好 本發0㈣彈性護具，是適於護套在—使用者的 身體部位以防止受傷，包含至少—層能夠沿至少一方向伸 細的彈性織物層，及一層形成層片狀結合在該彈性織物層 —g放式/包孔結構的水性聚氨醋發泡體層，該水性聚 氨醋發泡體層是由一發泡原料所製成，該發泡原料包括一 能夠分散於水溶液中的水性聚氨醋。其中，該聚氨醋發泡 體層的厚度大於等於lmm，並具有2GG%〜45G%的最大延伸 率（1 琴St el〇ngation)、2〜7 kgf/cm2 的彈性模數〇f y⑺、大於料4 kgf/em2的拉力強度（tensile st卿h) ，及 180〜600g/i 的密度（density)。 本發明彈性濩具的主要功效在於：藉由結合該彈性織 物層與該具開放式泡孔結構的水性聚氨醋發泡體層，仍然 能夠透過由該彈性織物層提供彈性伸縮特性，及該發泡體 的延伸率、彈性模數與拉力強度等特性，使該彈性護具仍 然具有符合實用的性能，而該發泡體層的的開放性泡孔結 構則使該彈性護具有較佳的散熱性與透氣性且重量輕，而 提（、較舒適的穿戴感$，此外，由於該發泡體層是由不 含溶劑的水性PU所製成，使本發明具有㈣㈣㈣㈣ 201130546 另一方面，本發明還提供-種具開放式泡孔結構的水 性聚氨酯發泡體。該水性聚氧醋發泡體是由一發泡原料所 製成，該發泡原料包括一能夠分散於水溶液中的水性聚氨 醋，且該聚氨醋發泡體的厚度大於等於i _，並具有· %〜450 %的取大延伸率、2〜7 kgf/cm2的彈性模數、大於等 於4kgfW的拉力強度’及18〇〜_g/i的密度。 本發明具開放式泡孔結構的水性聚氨醋發泡體的主要 功效在於.·藉由將該發泡體製成預定厚度的製品，並賦予 该發泡體預定的延伸率、彈性模數與拉力強度等材質特性 ’使該發泡體具有财用且能製成實用製品的經濟價值，此 外，由於該發泡體層是由不含溶劑的水性pu所製成，而兼 具有符合環保需求的特性。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效’在 以下配合參考圖式之二個較佳實施例的詳細說明中，將可 清楚的呈現。 在本發明被詳細描述之前，要注意的是，以下的說明 内谷中’类頁似的元件是以才目同的編號來表示。 參閱圖1與圖2，為本發明彈性護具的一第一較佳實施 例，在本實施例中，該彈性護具是被製成一膝部護具1的 _弋X膝°卩°蔓具1包含由一上織物層10與一下織物層1〇 斤开/成的夕數層織物結構，及一形成層狀結構且位於該上 下織物層1 〇之間的具開放式泡孔結構的聚氨酯發泡體層 20 〇 201130546 該上了織物層10是由具伸縮性的織物材質所製成， 該織物可以是梭織布或針織布。其中，該織物層ι〇可以是 #伸㈣織物’並能夠沿該膝部護具i的—長度方向伸 細’也可以疋雙向伸縮性織物，並同時沿該膝部護具【的 一長度方向與一寬度方向伸縮。 該具開放式泡孔結構的聚氨S旨發泡體層2G是由-發泡 原料所製成，該發泡原料包括一能夠分散於水溶液中的水 性聚氨醋（polyurethane ’簡稱為pu)。在本發明中所用的水 籲 佳PU可以經由—多元醇成分與-交聯劑製備而成。該多元 醇成分可以包括一聚縫多元醇或一聚醋多元醇。該交聯劑 可以包括一胺類樹脂（amine resin)或異氰胺類化合物 (isocyanane compound)。但是，該多元醇與該交聯劑的種類 不應受限，任何適合用於製備成水性pu的多元醇成分或交 聯劑都能在本發明中使用。 除了水性PU外，該具開放式泡孔結構的聚氨酯發泡體 層20的發泡原料還包括其他組成物，例如，一發泡劑組份 籲 （foaming牝_)、一發泡穩定劑組份（f0am stabiUzer) ' 一增 稠劑組份（thickener)、一色料組份（pigment)及一填充劑組份 (filler或extender)等。該發泡劑組份、發泡穩定劑組份、增 稍劑組份、色料組份及填充劑組份可以選用一般用於製備 PU發泡成型體中的該類組成物。在本發明中所使用的填充 劑組份可以是木粉（wood flour)、碳酸約或雲母等。且較佳 地’該填充劑組份為奈米粒子。 该水性聚氣g旨發泡體層20可以現有的方式製成。在本 201130546 實施例中’該發泡原料的組成物是透過一造泡機（foaming mixer)進行混合與發泡。最後，藉由現有的層壓法 (lamination method)使已經發泡過的發泡體初胚以層片狀型 式結合在該織物層10上。例如，可將該發泡體初胚舖設在 隨著一輸送機（conveyor)導入的該織物層的其中一個表 面上而且’ M k著s玄輸送機繼續移動時，可以藉由加熱 移除該發泡體初胚中的水分。由於水分是以漸進升溫方式 逐漸移除，所以可以在該發泡體初胚變成半固體（semis〇nd) 狀態時，將另一層織物層】〇舖設於該發泡體初胚的表面。 接著，再繼續對戎發泡體初胚加熱直到其完全熟成硬化。 藉此，待該發泡體初胚冷卻後，就能在不使用黏結劑的情 形下形成同時與該上、下織物層1〇相結合的聚氨酯發泡體 層20。 在製造過程中，可以利用—刮刀（d〇ct〇r blade)控制舖設 在該織物層1G上的發泡體初胚的厚度。較佳地，該聚氨醋 發泡體層20 &厚度是大於等於i麵，更佳地，該聚氨醋 么/包體層20的厚度為}〜6 mm，最佳地，該聚氨醋發泡體 層20的厚度為2〜5 mm ° 該聚氨酿發泡體層20的發泡程度或密度可以經由控制 該造泡機或該發泡原料的發泡時間而進行調整。通常，當 該聚氨S旨發泡體層2G的密度降低時’其最大延伸率會增大 ’但其拉力強度與該彈性模數將減少。#㈣氨时^體 層20的密度增加時’則其拉力強度與該彈性模數會增大， 但其最大延伸率會減少。因此，該聚氨自旨發泡體層2〇的密 201130546 度較佳是控制在180〜_ g/1的範圍内，更佳則是控制在 200〜450 g/i的範圍内。 ▲當該彈性護具被穿戴在—使用者身上時，為了使該彈 性護具能夠對該使用者提供較佳的緊密性與足夠的塵縮性 ，需使該聚氨醋發泡體層2G具有2〜7kgf/em2的彈性模數， 較钱’該彈性模數的範圍為3〜6 kgf/cm2，更佳地，該彈 丨杈數的|已圍為4.0〜5.5 kgf/cm2。若該聚氨g旨發泡體層2〇 的彈性模數值低於2 kgf/cm2，將導致該彈性護具過於鬆他 • ❿無*法對該使用者提供較佳的緊密性與足夠的包覆護套壓 力。若該聚氨醋發泡體層2〇 $彈性模數值高於7 kgf/cm2， $導致β彈性6蔓具過於緊端而造成該使用者穿戴時較不 服。 該聚氨酯發泡體層20之最大延伸率的較佳範圍 200%〜450%，更佳則為25〇%〜35〇%。若最大延伸率低於 %，則該聚|U旨發泡體層2G將無法提供補的伸縮彈性 ，並料致該彈性護具在穿戴使用時過於緊端。若最大延 伸率高於450%，則該聚氨醋發泡體層2〇的伸縮彈性過高 ，使該彈性護具無法提供足夠的緊密性，如此，當將該彈 2護具穿戴在該使用者的特定關節部位時，將無法對該關 郎部位提供足夠的支撐保護。 B為了使該聚IU旨發泡體層2G具妓夠的耐用性，較佳 疋使其拉力強度大於等於4 kgf/em2，更佳則是使其拉力強 度大於等於6 kgf/cm2。 參閱圖3 ’為將本發明彈性護具的一第二較佳實施例， 201130546 在本實施例中，該彈性護具是被製成一腕部護具3的型式 。該腕部護具3同樣包含由二層織物層ίο所形成的多數層 織物結構’及一層聚氨酯發泡體層2〇。 進一步地’將由下列實施例進一步說明該具開放式泡 孔結構的彈性發泡體層20。惟以下所述者僅為明確說明本 發明之實施例而已’當不能以此限定本發明實施之範圍。 實施例 用於製備具開放式泡孔結構的彈性發泡體的發泡原料 配方（1) 取100重量份的聚醚多元醇（包含40重量份的lmpranil LP RSC 1380與60重量份的Impranil DLU(皆購自拜耳 (Bayer)’ 粒徑為 200-300 nm，固形份（s〇iid content)含量為 60%)與下列組成物混合： 以該多元醇的總固形份的重量為基準，2〜8重量份的交 聯劑（TDI Desmodur N3900，購自拜耳）； 以該多元醇的總固形份的重量為基準，2〜6重量份的發 泡劑（琥 ίό 酸 S旨’ Stockal SR ’ 購自 Bozzetto Group); 以該多元醇的總固形份的重量為基準，2〜8重量份的發 泡穩定劑（Stockal STA ’ 購自 Bozzetto Group); 以該多元醇的總固形份的重量為基準，1〜5重量份的增 稠劑（Borchi Gel ALA ’ 購自 〇MG Borchers Gmbh); 以該多元醇的總固形份的重量為基準，3〜6重量份的白 色色料；及 重量份的填充劑。 10 201130546 配方（2) 取100重量份的聚酯型多元醇（包含70重量份的201130546 VI. Description of the Invention: [Technical Field] The present invention relates to an elastic brace, and more particularly to a resilient protective wrap for a sheath and a body part supporting a user. Prior Art] Existing elastic protectors, such as wrist bands, hand braces, waist bands, and ankle support, can be performed by a user. The treatment, physical activity, exercise, and other activities are used to sheath a specific part of the body of the user to protect the limb, especially to protect the joint. The existing elastic protector is usually made of a fabric material having a plurality of layers, and has a two-layer stretchable fabric layer, and the layer is sandwiched between the two layers & the layer is composed of synthetic rubber or chloroprene. a rubber layer made of rubber. The rubber material has high elasticity and can provide flexibility, and can exhibit better recovery (rest〇Hng f〇rce) to provide sufficient compressibility to conform to the user's body part. In addition, the rubber material can also pass through. High tensile strength provides high durability. However, the use of rubber as a raw material and its process has the disadvantage of causing environmental pollution, and the inability to dissipate heat and to be airtight and heavier in weight also causes the user to be uncomfortable when wearing the protective device. Water-based p〇lyurethane is a solvent-free and environmentally friendly material. The foam having an open cell structure produced by the aqueous polyurethane system has gas permeability. ϋ It has been widely used in synthetic leather products and textile products which do not require high elasticity and good recovery. At present, the two-water-filled 201130546 polyurethane has an open-cell type, and the foam of the structure is usually made of a coating layer having a thickness of less than 1 mm. SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a heat-dissipating and breathable elastic protector. k for the protection of the soil and has a good hair (4) elastic protective gear, is suitable for sheathing in the body part of the user to prevent injury, including at least a layer of elastic fabric layer capable of stretching in at least one direction, and a layer Forming an aqueous polyurethane foam layer laminated to the elastic fabric layer-g release/perforation structure, the aqueous polyurethane foam layer being made of a foamed raw material, the foamed raw material comprising An aqueous polyurethane that can be dispersed in an aqueous solution. Wherein, the thickness of the polyurethane foam layer is greater than or equal to 1 mm, and has a maximum elongation of 2 GG% to 45 G% (1 St St 〇 〇 ation), an elastic modulus 2f y (7) of 2 to 7 kgf/cm 2 , greater than The tensile strength (tensile st Qing) of 4 kgf/em2 and the density of 180~600 g/i. The main function of the elastic cooker of the present invention is that by combining the elastic fabric layer and the aqueous polyurethane foam layer having an open cell structure, it is still able to provide elastic stretch characteristics by the elastic fabric layer, and the hair The elastic body has the characteristics of elongation, elastic modulus and tensile strength, so that the elastic protective device still has practical performance, and the open cell structure of the foam layer makes the elastic heat retaining better heat dissipation. It is breathable and light in weight, and is provided with a comfortable wearing feeling. In addition, since the foam layer is made of a solvent-free aqueous PU, the present invention has (4) (4) (4) (4) 201130546. On the other hand, the present invention also Providing an aqueous polyurethane foam having an open cell structure. The aqueous polyoxyacetate foam is made of a foamed raw material comprising an aqueous polyurethane capable of being dispersed in an aqueous solution. And the thickness of the polyurethane foam is greater than or equal to i _, and has a large elongation of %% to 450%, an elastic modulus of 2 to 7 kgf/cm2, a tensile strength of 4 kgfW or more and 18〇 ~_g/i The main effect of the aqueous polyurethane foam having the open cell structure of the present invention is that the foam is formed into a predetermined thickness and imparts a predetermined elongation and elasticity to the foam. The material properties such as modulus and tensile strength make the foam economical and can be made into a practical product. In addition, since the foam layer is made of a solvent-free aqueous pu, it has both The above-mentioned and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the accompanying drawings. Before the invention is described in detail, it should be noted that the following description of the like elements in the inner valley is represented by the same number. Referring to FIG. 1 and FIG. 2, a first comparison of the elastic protective device of the present invention is shown. In a preferred embodiment, in the present embodiment, the elastic brace is made of a knee brace 1 _ 弋 X knee 卩 ° vine 1 comprises an upper fabric layer 10 and a lower fabric layer 1 / into a layer of fabric structure, and a a polyurethane foam layer 20 having an open cell structure between the upper and lower fabric layers 1 〇 201130546. The upper fabric layer 10 is made of a stretchable fabric material, and the fabric can be It is a woven fabric or a knitted fabric, wherein the fabric layer ι can be a #4 fabric and can be stretched along the length of the knee protector i, or a bi-directional stretch fabric, and along the same The longitudinal direction of the knee protector is expanded and contracted in a width direction. The polyurethane S-shaped foam layer 2G having an open cell structure is made of a foamed raw material, and the foamed raw material includes a dispersion capable of being dispersed. Aqueous polyurethane (abbreviated as pu) in an aqueous solution. The water-repellent PU used in the present invention can be prepared via a polyol component and a crosslinking agent. The polyol component may comprise a poly-slit polyol or a polyester polyol. The crosslinking agent may include an amine resin or an isocyanane compound. However, the kind of the polyol and the crosslinking agent should not be limited, and any polyol component or crosslinking agent suitable for the preparation of the aqueous pu can be used in the present invention. In addition to the aqueous PU, the foaming raw material of the polyurethane foam layer 20 having an open cell structure further includes other components, for example, a foaming agent component, a foaming stabilizer component. (f0am stabiUzer) ' A thickener, a pigment, and a filler or extender. The foaming agent component, the foaming stabilizer component, the builder component, the color component, and the filler component can be selected from those generally used in the preparation of a PU foam molded article. The filler component used in the present invention may be wood flour, carbonic acid or mica or the like. And preferably the filler component is a nanoparticle. The aqueous gas-gathering layer 20 can be produced in a conventional manner. In the present embodiment of 201130546, the composition of the foamed raw material is mixed and foamed through a foaming mixer. Finally, the foamed primaries which have been foamed are bonded to the fabric layer 10 in a lamellar form by an existing lamination method. For example, the foam primordial may be laid on one of the surfaces of the fabric layer introduced with a conveyor and the movement may be removed by heating. Moisture in the embryo of the foam. Since the moisture is gradually removed by the progressive heating method, another layer of the fabric layer can be laid on the surface of the foam primordial when the foam primordial becomes a semi-solid state. Next, the enamel foam priming is further heated until it is fully cooked and hardened. Thereby, after the foam priming is cooled, the polyurethane foam layer 20 which is simultaneously bonded to the upper and lower fabric layers can be formed without using a binder. In the manufacturing process, the thickness of the foam priming laid on the fabric layer 1G can be controlled by a d刮ct〇r blade. Preferably, the polyurethane foam layer 20 & thickness is greater than or equal to the i-plane, and more preferably, the polyurethane/package layer 20 has a thickness of from 〜6 mm, optimally, the polyurethane The thickness of the foam layer 20 is 2 to 5 mm. The degree of foaming or density of the polyurethane foam layer 20 can be adjusted by controlling the foaming time of the foaming machine or the foaming material. Generally, when the density of the foamed layer 2G of the polyurethane S is lowered, its maximum elongation will increase, but the tensile strength and the modulus of elasticity will decrease. #(四)Ammonia When the density of the layer 20 increases, the tensile strength and the elastic modulus increase, but the maximum elongation decreases. Therefore, the density of the polyimide foam layer 2 is preferably controlled to be in the range of 180 to _g/1, more preferably in the range of 200 to 450 g/i. ▲ When the elastic protector is worn on the user, in order to enable the elastic protector to provide better tightness and sufficient dust shrinkage to the user, the polyurethane foam layer 2G is required to have The elastic modulus of 2 to 7 kgf/em2 is more than the range of 3 to 6 kgf/cm 2 , and more preferably, the number of the magazines is 4.0 to 5.5 kgf/cm 2 . If the modulus of elasticity of the polyurethane layer 2 is less than 2 kgf/cm 2 , the elastic protector will be too loose. The method of providing the user with better tightness and sufficient Cover the jacket pressure. If the polyurethane foam layer 2 弹性 $ elastic modulus value is higher than 7 kgf / cm 2 , $ causes the β elastic 6 vine to be too tight and causes the user to wear less. The maximum elongation of the polyurethane foam layer 20 is preferably in the range of 200% to 450%, more preferably 25% to 35% by weight. If the maximum elongation is less than %, the poly-U foam layer 2G will not provide the complementary elastic elasticity, and the elastic protector is too tight at the time of wearing. If the maximum elongation is higher than 450%, the elastic elasticity of the polyurethane foam layer 2 is too high, so that the elastic protector cannot provide sufficient tightness, so that when the elastic 2 protector is worn in the use When the specific joint part of the person is located, it will not be able to provide sufficient support protection for the Guanlang part. In order to make the poly-IU foam layer 2G have sufficient durability, it is preferable to have a tensile strength of 4 kgf/cm2 or more, and more preferably a tensile strength of 6 kgf/cm2 or more. Referring to Fig. 3' is a second preferred embodiment of the elastic brace of the present invention, 201130546. In the present embodiment, the elastic brace is of a type that is formed as a wrist brace 3. The wrist brace 3 also comprises a plurality of layers of fabric structure formed by two layers of fabric layers and a layer of polyurethane foam layer 2 . Further, the elastic foam layer 20 having an open cell structure will be further described by the following examples. However, the following description is only intended to be illustrative of the embodiments of the present invention. EXAMPLES A foaming raw material formulation for preparing an elastic foam having an open cell structure (1) 100 parts by weight of a polyether polyol (containing 40 parts by weight of lmpranil LP RSC 1380 and 60 parts by weight of Impranil DLU) (All purchased from Bayer's particle size of 200-300 nm, s〇iid content of 60%) mixed with the following composition: based on the weight of the total solids of the polyol, 2 ~ 8 parts by weight of a crosslinking agent (TDI Desmodur N3900, available from Bayer); 2 to 6 parts by weight of a blowing agent based on the weight of the total solids of the polyol (succinic acid S means 'Stockal SR ' Available from Bozzetto Group); 2 to 8 parts by weight of foam stabilizer (Stockal STA' from Bozzetto Group) based on the weight of the total solids of the polyol; the weight of the total solids of the polyol is a reference, 1 to 5 parts by weight of a thickener (Borchi Gel ALA ' from 〇 MG Borchers Gmbh); 3 to 6 parts by weight of white color based on the weight of the total solids of the polyol; and parts by weight Filler 10 201130546 Formulation (2) Take 100 parts by weight of polyester Polyol (comprising 70 parts by weight
Impranil LP RSC 1554 與 30 重量份的 impranil LP RSC 1537 (皆購自拜耳，粒徑為200〜300 nm，固形份含量為60%)與 下列組成物混合： 以該多元醇的總固形份的重量為基準，2〜8重量份的交 聯劑（TDI Desmodur N3900，購自拜耳）； 以該多元醇的總固形份的重量為基準，5〜1〇重量份的 發泡劑（Dicrylan FLN，購自 Huntsman); 以該多元醇的總固形份的重量為基準，1〜5重量份的增 稠劑（Mirox Am，購自 Bozzetto Group); 以該多元醇的總固形份的重量為基準，3〜6重量份的白 色色料；及 1〜4重量份的填充劑。 實施例1〜12 實梅例1〜12為使用配方（1)製備，並分別使用表卜3中 所列的不同種類填充劑。其中，實施例i及實施例5〜12是 使用粒徑5〜20 nm的雲母顆粒作為其填充劑。 製造聚氨酯發泡體 將實施例1〜12中的各組成物分別投料到一造泡機中進 行混合與發泡。將每-實施例已發泡過的混合物初胚舖設 在一離型基材上以形成-發泡體層，並以漸進升溫方式逐 漸加熱到溫度約14代以使水分完全自該發泡體初胚中移除 。舖設在該離型基材上的發泡體層的厚度是使用一刮刀 11 201130546 (doctor blade)控制。 由實鈿例1 12所製得的樣品以標準方法進 行拉力強1冑大L伸率與彈性模數的測試。該等樣品的 性質如表1〜3所示。 丄 實施例 填充劑 厚度 (mm) 密度 (g/1) 拉力強度 (kgf/cm2) 最大 延伸率 (%) 彈性模數 (at 200%) (kg:f/cm2) 1 雲母1% 3.0 230 8.184 297.628 5.22 2 CaC03l°/〇 3.0 230 7.478 318.878 4.36 3 木粉1% 3.0 230 6.721 262.502 5.15 4 無填充劑 3.0 23 0 7.923 311.503 4.91 表 2 實施例 填充劑 厚度 (mm) 密度 (g/1) 拉力強度 (kgf/cm2) 最大 延伸率 (%) 彈性模數 (at 200%) (kgf/cm2) 5 雲母1% 2.3 159 4.648 431.477 2.14 6 雲母1% 2.3 306 7.289 366.047 3.51 7 雲母1% 2.3 459 10.08 339.798 5.00 8 雲母1% 2.3 609 10.932 269.625 6.376 表3 實施例 _____ 填充劑 厚度 (mm) 密度 (g/1) 拉力強度 (kgf/cm2) ^最大 延伸率 (%) 彈性模數 (at 200%) (kgf/cm2) 9 雲母2% 2.3 240 5.147 345.755 2.69 10 雲母3% 2.3 23 8 4.784 342.003 2.80 12 201130546 11 雲母5% 2.3 236 4.421 333.294 2.69 12 雲母7% 2.3 236 4.189 313.211 3.03 表1的結果顯示實施例1的拉力強度與彈性模數高於 實施例2〜4。據此說明實施例1的樣品可提供較佳的緊密性 與壓縮性且不會造成使用者使用上的不舒服。 表2的結果顧示’當該聚氨酯發泡體的密度增加時， 其拉力強度與彈性模數也隨著增加，而最大延伸率則隨著 減少。 表3的結果顯示，添加在該聚氨酯發泡體中的雲母含 量會影響該聚氨酯發泡體的性質。 歸納上述，本發明的彈性護具包含具開放性泡孔結構 的聚氨酯發泡體所形成的發泡體層，因此，相較於現有以 不具透氣性的橡膠所製成的腕部護具或足踝支撐保護用品 ，能夠提供較佳的散熱性與透氣及質輕效果。此外，由於 製造该聚氨酯發泡體的材料不含溶劑，使本發明的彈性護 具還具有符合環保的優點。 惟以上所述者，僅為本發明之較佳實施例而已，當不 月&以此限定本發明實施之範圍，即大凡依本發明申請專利 範圍及發明說明内容所作之簡單的等效變化與修飾，皆仍 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 圖1疋一使用示意圖，說明本發明彈性護具的一第一 較佳實施例是製成一膝部護具的型式； 圖2是一沿圖1中的線2:2所取的剖面圖；及 13 201130546 圖3是一使用示意圖，說明本發明彈性護具的一第二 較佳實施例是製成一腕部護具的型式。Impranil LP RSC 1554 and 30 parts by weight of impranil LP RSC 1537 (both from Bayer, with a particle size of 200 to 300 nm and a solids content of 60%) were mixed with the following composition: the weight of the total solids of the polyol For reference, 2 to 8 parts by weight of a crosslinking agent (TDI Desmodur N3900, available from Bayer); 5 to 1 part by weight of a blowing agent based on the weight of the total solids of the polyol (Dicrylan FLN, purchased From Huntsman); 1 to 5 parts by weight of a thickener (Mirox Am, available from Bozzetto Group) based on the weight of the total solids of the polyol; based on the weight of the total solids of the polyol, 3 ～6 parts by weight of a white colorant; and 1 to 4 parts by weight of a filler. Examples 1 to 12 Examples 1 to 12 were prepared using the formulation (1), and the different types of fillers listed in Table 3 were used, respectively. Among them, Example i and Examples 5 to 12 are mica particles having a particle diameter of 5 to 20 nm as a filler. Production of Polyurethane Foam Each of the compositions of Examples 1 to 12 was fed to a bubbler for mixing and foaming. Each of the foamed mixture primaries of each of the examples was laid on a release substrate to form a foam layer, and gradually heated to a temperature of about 14 passages in a progressively elevated temperature manner to allow the moisture to completely from the foam. Remove from the embryo. The thickness of the foam layer laid on the release substrate is controlled using a doctor blade 11 201130546 (doctor blade). The sample prepared by the actual example 1 12 was subjected to a test for tensile strength 1 胄 large L elongation and elastic modulus by a standard method. The properties of these samples are shown in Tables 1-3.丄Examples Filler Thickness (mm) Density (g/1) Tensile Strength (kgf/cm2) Maximum Elongation (%) Elastic Modulus (at 200%) (kg: f/cm2) 1 Mica 1% 3.0 230 8.184 297.628 5.22 2 CaC03l°/〇3.0 230 7.478 318.878 4.36 3 Wood flour 1% 3.0 230 6.721 262.502 5.15 4 No filler 3.0 23 0 7.923 311.503 4.91 Table 2 Example filler thickness (mm) Density (g/1) Tensile strength (kgf/cm2) Maximum elongation (%) Elastic modulus (at 200%) (kgf/cm2) 5 Mica 1% 2.3 159 4.648 431.477 2.14 6 Mica 1% 2.3 306 7.289 366.047 3.51 7 Mica 1% 2.3 459 10.08 339.798 5.00 8 Mica 1% 2.3 609 10.932 269.625 6.376 Table 3 Example _____ Filler Thickness (mm) Density (g/1) Tensile Strength (kgf/cm2) ^Maximum Elongation (%) Elastic Modulus (at 200%) (kgf/cm2) 9 Mica 2% 2.3 240 5.147 345.755 2.69 10 Mica 3% 2.3 23 8 4.784 342.003 2.80 12 201130546 11 Mica 5% 2.3 236 4.421 333.294 2.69 12 Mica 7% 2.3 236 4.189 313.211 3.03 The results in Table 1 show implementation The tensile strength and elastic modulus of Example 1 were higher than those of Examples 2 to 4. It is thus stated that the sample of Example 1 provides better tightness and compressibility without causing discomfort to the user. The results of Table 2 show that as the density of the polyurethane foam increases, the tensile strength and the modulus of elasticity also increase, and the maximum elongation decreases. The results in Table 3 show that the mica content added to the polyurethane foam affects the properties of the polyurethane foam. In summary, the elastic brace of the present invention comprises a foam layer formed of a polyurethane foam having an open cell structure, and therefore, a wrist brace or foot made of a rubber having no gas permeability as compared with the prior art.踝Support protection products provide better heat dissipation and breathability and light weight. Further, since the material for producing the polyurethane foam contains no solvent, the elastic protector of the present invention is also environmentally friendly. However, the above is only the preferred embodiment of the present invention, and the scope of the present invention is limited to the scope of the invention, that is, the simple equivalent change according to the scope of the invention and the description of the invention. And modifications are still within the scope of the invention patent. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing a first preferred embodiment of the elastic brace of the present invention in the form of a knee brace; Fig. 2 is a line 2 in Fig. 1: 2 taken sectional view; and 13 201130546 Fig. 3 is a schematic view showing a second preferred embodiment of the elastic protective device of the present invention in the form of a wrist brace.
14 201130546 ^ 【主要元件符號說明】 . 1 ..........膝部護具 20.........發泡體層 10.........織物層 3 ..........腕部護具14 201130546 ^ [Explanation of main component symbols] . 1 .......... knee brace 20......foam layer 10.........fabric layer 3 .......... wrist protectors
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