1228978 玖、發明說明： 【發明所屬之技術領域】 本發明係關於一種以聚苯乙烯開孔發泡體作為載體之長效 揮發物，係能控制香精、除臭劑或殺蟲劑等揮發性溶劑之揮發速 率，長時間維持其除臭、除蟲之功效 【先前技術】 使用長效芳香劑以去異味，是日常生活中維持室内空氣清新 的方法之-；然而，多數的芳香劑均極易揮發，僅能短時間維持 去除異味的效果，為了韦保室内芳香必須定時噴灑芳香劑。因 此，有不少相關發明即著重在開發長效芳香劑或長效芳香材料。 曰本特許出願公開第平3-57456號（1991)係揭露將含有香水 的凝膠放入容器，上面放入分隔體，分隔體與凝膠的接觸，香水 會沿分隔體滲透，散發出香味。日本特許出願公開第2〇〇2-159568 號係揭露將聚氣醋（pu)原料、介面活性劑、水和香料混合在模内 形成含有香味之親水性聚氨酯發泡體。日本特許出願公開 59-056434號是將交聯開孔聚烯烴（polyolefin)發泡體熔融表面造 成表皮層，再將香精、除臭劑和殺蟲劑注入發泡體（具有彈性）形 成可以長時間釋放香味的發泡體。日本特許出願公開第平 2-280760號係利用苯酚樹酯或尿素樹酯製造出開孔的發泡體，其 氣泡大小為0.3 "m〜1000# m、開孔率為50〜99%，再將發泡體浸 入香精使其慢慢吸入發泡體内成為含香味的發泡體。此外’美國 專利第6,213,409號揭示一種可以長時間釋放香料的香袋，此香 袋結構是壁上含有小孔或開孔的容器’容器内部有許多熱塑性塑 膠製成的小球，這些可以由低密度聚乙烯（LDPE)、高密度聚乙浠 (HDPE)、聚丙烯（PP)或乙烯一醋酸乙烯共聚物（EVA)等材料製成 含香料的發泡小球，香料可以逐漸釋放再由壁上的孔進入大氣。 美國專利第4,387,849號揭示一種中空的容器’其内部可以放香 1228978 水、去臭劑、驅蟲劑，外部是一種有孔洞的發泡薄膜可用聚氨酯 形式來控制香水擴散速率。 近年來開發的聚苯乙烯(PS)發泡體為開孔結構，其開孔率可 以達90%以上，可應用於建築上例如隔熱體、吸音體或裝飾體等。 本發明即利用高開孔率之聚苯乙烯發泡體作為揮發性液體之載 體，經由注射或吸取方式將香精或其他液狀物注入聚苯乙烯開孔 發泡體内，並經由加熱、黏著或黏貼方式，將開孔發泡體形成不 良透氣的表皮層，僅留下適當可散發香氣之窗口，形成成能長期 芳香釋放的聚苯乙烯發泡體。 【發明内容】 本發明係關於一種長效揮發物，係包含聚苯乙烯開孔發泡 體及揮發性液體，係貯存於前述聚苯乙烯開孔發泡體中；其申該 I本乙浠開孔發泡體除預設開口外，表面均密封以降低揮發性液 體之揮發速率。 前述之聚苯乙烯開孔發泡體，其開孔率係在9〇〜99 %;較佳 係在95〜99 %。 前述之聚苯乙烯開孔發泡體，其氣泡尺寸係在30〜200μιη 之間；較佳係在50〜ΙΟΟμπι。 前述之聚苯乙烯開孔發泡體，其密度係在0 04〜〇 15g/cm3; 較佳係在0.06〜0.1g/cm3。 月述之預設開口之形狀不受限制’且可設置於該聚苯乙烯 開孔發泡體表面之任何地方’衫特職制。其開σ之大小視該 聚苯乙稀開孔發泡體體積之大小決定，不受特別限制。 椒聚苯乙烯開孔發泡體，其表面密封方式係包含加熱 溶融、黏著劑塗覆、帶狀物黏貼或置於袋+中，並不受特別限制。 前述之揮發性液體包含芳香劑、除臭劑、殺錢或任何其 他具揮發性液體。 1228978 前述之揮發性液體，其主溶劑較佳為乙醇或異丙醇。 本發明係關於一種長效揮發物之製造方法，係包含： (a) 提供一聚苯乙烯開孔發泡體，其開孔率係在90〜99 %，氣泡尺寸係在30〜200μιη，密度係在0.04〜0.15g/cm3 ; (b) 在前述聚苯乙烯開孔發泡體中注入揮發性液體；及 (c) 密封前述聚苯乙烯開孔發泡體除預留開口之外的 表面，即獲得一長效揮發物。 前述步驟（b)及（c)之施行順序係可交換。 前述（a)係提供一聚苯乙烯開孔發泡體，其較佳之開孔率係在 95〜99 %，氣泡尺寸係在50〜ΙΟΟμηι，密度係在0.06〜0· lg/cm3。 前述步驟（c)之密封方式係包含加熱熔融、黏著劑塗覆、帶狀 物黏貼或置於袋子中，不受特別限制。 前述之揮發性液體包含芳香劑、除臭劑、殺蟲劑或其他揮發 性液體。 前述之揮發性液體，其主溶劑較佳為乙醇或異丙醇。 前述步驟（b)係可使用中空針狀物將揮發性液體注入聚苯乙 烯開孔發泡體内，或利用針狀物抽出聚苯乙烯開孔發泡體内部氣 體，造成負壓，再浸泡於揮發性液體中，使揮發性液體進入聚苯 乙烯開孔發泡體内。 本發明係使用聚苯乙烯開孔發泡體作為揮發性液體之載 體，與先前技術相較，開孔聚苯乙烯發泡體較聚烯烴發泡體容易 得到高的開孔率，可達90%以上的開孔率，並且開孔聚烯烴發泡 體應用於釋放芳香的產品必須交聯，其製造程序比開孔聚苯乙烯 發泡體製造過程更複雜。苯酚樹脂或尿素樹脂也能製造出開孔的 發泡體應用於釋放芳香的產品，但這類樹脂屬於熱固性樹脂，其 發泡體較硬，而聚苯乙烯樹脂屬於熱塑性樹脂可以回收。本發明 提供一新穎之長效揮發物及其製造方法，可用於製作長效芳香 Μ'除臭劑或除蟲劑。 【實施方式】 本發明係將液體的芳香劑、除臭劑、驅蟲劑等漆入開孔結構 的聚笨乙烯發泡體，形成含有香味或特殊味道的長效揮發物。 第-圖係為本發明之長效揮發物1G，係包含I》乙=開孔發 泡體11及揮發性液體（圖未顯示），係貯存於前述聚，乙烯開 孔發泡體u中；其中該聚笨乙稀開孔發泡體11除預设開口 12 外，表面均密封（圖中斜線部分）以降低揮發性液體之揮發速率， 達到長期釋放氣味之效果。 本發明係選擇開孔結構的聚苯乙烯發泡體11，其密度必須在 〜0.15g/cm3 ,最好介於〇·〇6〜ojg/cm3。發泡體内的開孔率必 項在90〜99 %，如能達到95〜99% ,將會更佳。發泡體内的氣泡 尺寸必須在30〜200/zm，最好能夠在50〜100//m之間，當平=氣 >包的尺寸小於100//m稱微結發泡。 ：乳 前述之聚苯乙烯開孔發泡體1丨，其表面密封方式係包含加熱 炫融、黏著劑塗覆、帶狀物黏貼或置於袋子中。 匕3 σ”、、 前述之揮發性液體包含芳香劑、除臭劑或殺蟲劑 性液體，其主溶劑較佳為乙醇或異丙醇。 〜、禪 第二圖係為本發明之長效揮發物製造方法流程圖，首先提供 一聚苯乙烯開孔發泡體，其開孔率係在9〇〜99 %，較佳係在95 % ;氣泡尺寸係在30〜200μπι，較佳係在50〜lOOiLtm •金* ^ Λ ^ , 3 , , μΠ1，进度係在 0.04 〜〇.15g/cm3，較佳係在 〇.〇6〜0.1g/cm3。 接著’在前述聚苯乙烯開孔發泡體中注入揮發性)夜體；前述 揮發性液體可利用中空針狀物吸取後，注入發泡體内，揮發 體如芳香劑、除臭劑、驅蟲劑等經給予適當壓力由φ T $針狀物的 中空管道流入開孔結構的發泡體；由於液狀物在開孔社構的發、、包 體内流動非常緩慢，必須要一段時間，才能讓聚笨乙^門孔發泡 1228978 體内充滿液狀物。以相同的原理也能先透過中空針狀物將聚苯乙 烯開孔發泡體内造成負壓，再讓揮發性液體由發泡體外部滲入發 泡體内部，聚苯乙烯開孔發泡體是貯存液狀的芳香劑、除臭劑或 驅蟲劑的地方。 然後，密封前述聚苯乙烯開孔發泡體的表面，但留下至少一 個開口，即獲得本發明之長效揮發物。前述該開口之形狀、位置 及大小不受特別限制；密封開孔發泡體的方法很多，例如使用加 熱方式將各表面發泡地方熔融，使表面之開孔結構變成閉孔結 構，但内部仍維持開孔結構；或用黏著劑塗於發泡體各表面處密 封開孔結構；或用帶狀物黏貼於表面處；或將整個發泡體放入透 氣袋子内等，如此都可以減低揮發物揮發速率，延長使用的時間。 前述長效揮發物製造方法亦可先將聚苯乙烯開孔發泡體除 預設開口外的表面密封，然後再注入揮發性液體。 以下係藉由實施例進一步瞭解本發明之功效，然其並非用以 限制本發明，任何熟悉本技術領域之人士皆可依據本發明之精神 作任何可能的更動與修飾，其皆包含在本發明之申請專利範圍 内。 實施例1 選擇一聚苯乙烯開孔發泡體，其密度為〇.〇8g/cm3，開孔率約 94%，氣泡大小約50 // m〜80 # m，切成邊長為25mm的正立方體， 體積為25mmx 25mmx 25mm。在此聚苯乙浠開孔發泡體注入2.1 公克的芳香物（市售的芳香劑），發泡體的六面沒有封閉完全開 放，放在室溫觀察芳香物在發泡體内重量變化。 實施例2 與實施例1相同體積及物性的聚苯乙烯開孔發泡體，其内部 注入4.1公克的芳香物，發泡的六面沒有封閉完全開放，放在室 1228978 溫觀察芳香物在發泡體内重量變化。 第二圖係為實施例1和實施例2六面未密封聚苯乙烯開孔發 泡體重量與時間關係圖，由結果顯示，發泡體内的芳香劑在大約 在5天左右即幾乎完全揮發，發泡體内只殘餘微量的芳香物。 實施例3 與貫施例1相同體積及物性的聚苯乙烯開孔發泡體，然後在 内部注入4·4公克的芳香物，其發泡體的五面完全封閉，第六面 部份封閉留下面積為25mmx 8mm的窗口，使芳香物揮發至空氣 中。將此含芳香物的發泡體放在室溫觀察芳香物在發泡體内重量 鲁 變化。 實施例4 與實施例1相同體積及物性的聚苯乙烯開孔發泡體，然後在 内部注入4.3公克的芳香物，發泡體的五面完全封閉，第六面部 份封閉留下面積為25mmx 3mm的窗口，使芳香物釋放到空氣 中。將此含芳香物的發泡體放在室溫觀察芳香物在發泡體内重量 變化。 第四圖係為實施例3和實施例4之聚苯乙烯開孔發泡體重量 與時間關係圖。由結果顯示，當發泡體五面被封閉，第六面留下 不同大小的揮發窗口，則芳香物釋放到空氣中的速度明顯下降， 實施例3的樣品其芳香物大約可以維持一個月，實施例4的樣 品，釋放窗口較小則可以維持約2個月。 由上述實施例之結果顯示，本發明利用聚苯乙烯開孔發泡體 注入揮發性液體，並密封該發泡體之表面只留下一開孔之方法， 係可有效延長揮發性液體於載體中滯留之時間，並發揮長效型釋 10 1228978 放芳香劑、除臭劑或驅蟲劑氣味之效果。1228978 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to a long-lasting volatile matter using a polystyrene open-cell foam as a carrier, which can control the volatility of flavors, deodorants or pesticides. The volatilization rate of the solvent maintains its deodorizing and insect-removing effects for a long time. [Previous technology] The use of long-acting fragrances to remove odors is one of the methods to maintain indoor air freshness in daily life-however, most of the fragrances are extremely It is volatile and can only maintain the effect of removing odor for a short period of time. In order to maintain the fragrance in Weibao, you must spray the fragrance regularly. Therefore, many related inventions focus on the development of long-lasting fragrances or long-lasting fragrances. The Japanese Patent Publication No. Hei 3-57456 (1991) discloses that a gel containing perfume is put in a container, and a separator is placed on the top. The contact between the separator and the gel will allow the perfume to permeate along the separator and emit a fragrance. . Japanese Patent Publication No. 20002-159568 discloses the mixing of polyacetic acid (pu) raw materials, surfactants, water, and fragrances in a mold to form a hydrophilic polyurethane foam containing fragrance. Japanese Patent Publication No. 59-056434 is to melt the surface of the cross-linked open-cell polyolefin foam to form a skin layer, and then inject the essence, deodorant and insecticide into the foam (with elasticity) to form a long skin. Time release fragrance foam. Japanese Patent Publication No. Hei 2-280760 is an open-cell foam made of phenol resin or urea resin. Its foam size is 0.3 " m ~ 1000 # m and the open cell ratio is 50 ~ 99%. Then, the foam is dipped into the essence to be slowly sucked into the foam to become a flavor-containing foam. In addition, 'U.S. Patent No. 6,213,409 discloses a sachet that can release fragrance for a long time. The sachet structure is a container with small holes or openings in the wall. The container has many small balls made of thermoplastic plastic. Density polyethylene (LDPE), high-density polyethylene (HDPE), polypropylene (PP), or ethylene-vinyl acetate copolymer (EVA) and other materials made of foam beads containing fragrance, fragrance can be gradually released and then by the wall The upper hole enters the atmosphere. U.S. Patent No. 4,387,849 discloses a hollow container 'which can contain perfume 1228978 water, deodorant, insect repellent, and a porous foam film on the outside, which can be used to control the diffusion rate of perfume. The polystyrene (PS) foam developed in recent years has an open-cell structure, and its open-cell ratio can reach 90% or more. It can be applied to buildings such as heat insulators, sound absorbing bodies, or decorative bodies. The invention uses a high-porosity polystyrene foam as a carrier of a volatile liquid, and injects essence or other liquid substances into the polystyrene open-cell foam through injection or suction, and heats and adheres Or the sticking method will form the open-cell foam into a poorly breathable skin layer, leaving only a suitable window for emitting fragrance, and forming a polystyrene foam capable of long-term aroma release. [Summary of the Invention] The present invention relates to a long-acting volatile matter, which includes a polystyrene open-cell foam and a volatile liquid, and is stored in the aforementioned polystyrene open-cell foam; Except for the preset opening, the surface of the open-cell foam is sealed to reduce the volatilization rate of the volatile liquid. The above-mentioned polystyrene open-cell foam has an open cell ratio of 90-99%; preferably, it is 95-99%. The aforementioned polystyrene open-cell foam has a bubble size between 30 and 200 μm; preferably, it is between 50 and 100 μm. The aforementioned polystyrene open-cell foam has a density of 0 04 to 15 g / cm3; preferably, it is 0.06 to 0.1 g / cm3. The shape of the preset openings described in the month is not limited and can be set anywhere on the surface of the polystyrene open-cell foam body. The size of the opening σ is determined depending on the volume of the polystyrene open-cell foam and is not particularly limited. The surface sealing method of the pepper polystyrene open-cell foam includes heating and melting, adhesive coating, tape sticking or placing in a bag +, and is not particularly limited. The aforementioned volatile liquids include fragrances, deodorants, money killers or any other volatile liquids. 1228978 For the aforementioned volatile liquid, the main solvent is preferably ethanol or isopropanol. The invention relates to a manufacturing method of long-lasting volatiles, which comprises: (a) providing a polystyrene open-cell foam with an open cell ratio of 90 to 99%, a bubble size of 30 to 200 μιη, and a density At 0.04 ~ 0.15g / cm3; (b) injecting a volatile liquid into the aforementioned polystyrene open-cell foam; and (c) sealing the surface of the aforementioned polystyrene open-cell foam except for the reserved openings , To obtain a long-lasting volatile matter. The execution sequence of the aforementioned steps (b) and (c) is interchangeable. The aforementioned (a) system provides a polystyrene open-cell foam. The preferred open cell ratio is 95 to 99%, the cell size is 50 to 100 μηι, and the density is 0.06 to 0 · lg / cm3. The sealing method in the aforementioned step (c) includes heating and melting, adhesive coating, tape sticking or placing in a bag, and is not particularly limited. The aforementioned volatile liquids include fragrances, deodorants, insecticides or other volatile liquids. The main solvent of the aforementioned volatile liquid is preferably ethanol or isopropanol. In the foregoing step (b), a hollow needle can be used to inject a volatile liquid into the polystyrene open-cell foam, or use the needle to extract the gas inside the polystyrene open-cell foam, causing negative pressure, and then soaking. In the volatile liquid, the volatile liquid is allowed to enter the polystyrene open-cell foam. The present invention uses a polystyrene open-cell foam as a carrier of a volatile liquid. Compared with the prior art, an open-cell polystyrene foam is easier to obtain a higher open cell ratio than a polyolefin foam, which can reach 90. The open cell ratio of more than%, and the application of open-cell polyolefin foams to release aromatic products must be cross-linked, and its manufacturing process is more complicated than that of open-cell polystyrene foams. Phenol resin or urea resin can also be used to produce open-cell foams used to release aromatic products, but these resins are thermosetting resins, whose foams are hard, and polystyrene resins are thermoplastic resins that can be recycled. The invention provides a novel long-acting volatile matter and a manufacturing method thereof, which can be used for making a long-acting aromatic M 'deodorant or insecticide. [Embodiment] The present invention is a polystyrene foam in which a liquid fragrance, a deodorant, an insect repellent and the like are lacquered into an open-cell structure to form a long-lasting volatile matter containing a fragrance or a special taste. The first figure is the long-acting volatile matter 1G of the present invention, which contains I》 B = open-cell foam 11 and a volatile liquid (not shown in the figure), which are stored in the aforementioned poly, ethylene open-cell foam u The surface of the polystyrene foamed open-cell foam 11 except for the preset opening 12 is sealed (the oblique line in the figure) to reduce the volatilization rate of the volatile liquid and achieve the effect of long-term odor release. In the present invention, the polystyrene foam 11 having an open cell structure is selected, and its density must be in the range of 0.15 g / cm3, and preferably in the range of 0.06 to ojg / cm3. The open cell ratio in the foam must be 90 ~ 99%, if it can reach 95 ~ 99%, it will be better. The size of the bubbles in the foam must be 30 ~ 200 / zm, preferably 50 ~ 100 // m. When the size of the bag is less than 100 // m, it is called micro-junction foam. : Milk The aforementioned polystyrene open-cell foam 1 丨, the surface sealing method includes heating, melting, adhesive coating, tape sticking or placing in a bag. The above-mentioned volatile liquid contains aromatic, deodorant or pesticide liquid, and its main solvent is preferably ethanol or isopropanol. ~ The second picture is the long-acting effect of the present invention. Flow chart of volatiles manufacturing method. First, a polystyrene open-cell foam is provided. The open cell ratio is 90-99%, preferably 95%. The bubble size is 30-200μm, preferably 50 ~ 100iLtm • Gold * ^ Λ ^, 3,, μΠ1, progress is 0.04 ~ 0.15g / cm3, preferably 0.06 ~ 0.1g / cm3. Then 'open the hole in the aforementioned polystyrene The volatile body is injected into the foam body; the aforementioned volatile liquid can be sucked by hollow needles and then injected into the foam body. The volatile bodies such as fragrance, deodorant, and insect repellent are given a proper pressure from φ T The needle-shaped hollow pipe flows into the foam of the open-cell structure; because the liquid flows very slowly in the body of the open-cell structure, the package body, it takes a period of time for the gate to be opened. Bubble 1228978 The body is full of liquids. Using the same principle, the polystyrene open-cell foam can also be passed through the hollow needles first. Create a negative pressure, and then let the volatile liquid penetrate the inside of the foam from the outside of the foam. The polystyrene open-cell foam is a place to store liquid fragrance, deodorant or insect repellent. Then, seal the aforementioned The surface of the polystyrene open-cell foam, but leaving at least one opening, obtains the long-acting volatiles of the present invention. The shape, position, and size of the aforementioned opening are not particularly limited; a method for sealing the open-cell foam Many, for example, use heating to melt the foamed areas on each surface to make the open-cell structure on the surface into a closed-cell structure, but still maintain the open-cell structure inside; or use adhesive to coat the open-cell structure on each surface of the foam; Or use a tape to stick to the surface; or put the entire foam in a breathable bag, etc., which can reduce the volatilization rate and prolong the use time. The aforementioned long-acting volatile matter manufacturing method can also first polystyrene The surface of the ethylene open-cell foam except the preset opening is sealed, and then a volatile liquid is injected. The following is to further understand the effect of the present invention through examples, but it is not intended to limit the present invention. Any person skilled in the art can make any possible changes and modifications according to the spirit of the present invention, which are all included in the scope of the patent application of the present invention. Example 1 A polystyrene open-cell foam is selected and its density It is 0.08g / cm3, the open rate is about 94%, the bubble size is about 50 // m ~ 80 # m, cut into a cube with a side length of 25mm, and the volume is 25mm x 25mm x 25mm. Here polystyrene is opened Cell foam was injected with 2.1 grams of fragrance (commercially available fragrance), the six sides of the foam were completely closed without being closed, and placed at room temperature to observe the weight change of the fragrance in the foam. Example 2 and Examples 1 Polystyrene open-cell foam with the same volume and physical properties. The inside is filled with 4.1 grams of fragrance, and the six sides of the foam are completely closed without being closed. Place in a room 1228978 to observe the weight change of the fragrance in the foam. The second figure is a graph of the relationship between the weight and time of the six-sided unsealed polystyrene open-cell foams of Example 1 and Example 2. The results show that the fragrance in the foam is almost complete in about 5 days. Volatile, only traces of aromatics remain in the foam. Example 3 A polystyrene open-cell foam with the same volume and physical properties as in Example 1, and then injected 4 · 4 g of aromatic substance into the inside. The foam was completely closed on five sides and partially closed on the sixth side. Leave a window with an area of 25mm x 8mm to allow the fragrance to evaporate into the air. This aromatic-containing foam was placed at room temperature to observe the weight change of the aromatic in the foam. Example 4 A polystyrene open-cell foam having the same volume and physical properties as in Example 1, and then injecting 4.3 grams of fragrance into the inside, the five sides of the foam were completely closed, and the sixth side was partially closed to leave an area of A 25mm x 3mm window allows fragrance to be released into the air. This aromatic-containing foam was left at room temperature to observe the weight change of the aromatic in the foam. The fourth graph is a graph showing the relationship between the weight and time of the polystyrene open-cell foams of Examples 3 and 4. The results show that when the five sides of the foam are closed and the volatility windows of different sizes are left on the sixth side, the release rate of the fragrance into the air is significantly reduced. The sample in Example 3 can maintain the fragrance for about one month. The sample of Example 4 has a small release window and can be maintained for about 2 months. The results of the above examples show that the method of injecting a volatile liquid with a polystyrene open-cell foam and sealing the surface of the foam with only one open cell is effective in extending the volatile liquid to the carrier. Medium retention time, and exert the effect of long-acting release 10 1228978 release fragrance, deodorant or insect repellent.
11 1228978 【圖式簡單說明】 第- 第二 第三 泡體 圖係為本發明之長效揮發物。 圖係為本發明之長效揮發物製造么、 决流程圖。 乙烯開孔發 圖係為實施例1及實施例2之六面未密封聚苯 重量與時間關係圖。 Λ 第四圖係為實施例3及實施例4之五面密封聚苯乙烯開孔發泡 體重量與時間關係圖。 【主要元件符號對照說明】11 1228978 [Brief description of the figure] The second-third third bubble The picture shows the long-acting volatiles of the present invention. The figure is the flow chart of the production of long-lasting volatile matter according to the present invention. Ethylene perforated hair The figure shows the relationship between the weight and time of six-sided unsealed polybenzene in Example 1 and Example 2. Λ The fourth graph is a graph showing the relationship between the weight and time of the five-sided sealed polystyrene open-cell foams of Examples 3 and 4. [Comparison of main component symbols]
…長效揮發物 聚苯乙烯開孔發泡體 12…預設開口… Long-lasting volatile matter Polystyrene open-cell foam 12… Preset opening
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