TWI331158B - - Google Patents

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TWI331158B
TWI331158B TW94124615A TW94124615A TWI331158B TW I331158 B TWI331158 B TW I331158B TW 94124615 A TW94124615 A TW 94124615A TW 94124615 A TW94124615 A TW 94124615A TW I331158 B TWI331158 B TW I331158B
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Taiwan
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polyurethane
substrate
layer
coating
polyurethane layer
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TW94124615A
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Chinese (zh)
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TW200704676A (en
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Jenn Shung Wang
Chia Hsun Chen
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Far East College
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/141Feedstock
    • Y02P20/143Feedstock the feedstock being recycled material, e.g. plastics
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

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  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)

Description

、發明說明: 【發明所屬之技術領域】 本發明係關於-種具聚氨g旨層披覆的基材回收分離方 法’特別是指具聚氨醋層的基材置於化學溶液環境中,由 於聚氨醋層殘留會影響後續回收製程,且脫除基材上附著 的聚氨㈣㈣是分離技術義所在,彻化學溶液脫附 聚钱層,進—步分離出聚氨自旨,不需要長時間加熱基板 以去除聚氨s旨’加上水對基材性質影響小,故可減少基板 ,材質劣化’如此,可大幅增加分離效率,且有助於回收 ^品質基板㈣之松者。本發啊叫赌底且快速的 有利於量產,具有快速、簡單和低成本的優點。 【先前技術】 2材料披覆_的目的可在於材料表面提供抗紫 處硬化處理、防起霧處理、抗反射(防眩) 缺戟^、理等’藉以增加魏美觀,且補償材料的 ,點,舒特殊的性質,提高製品之耐熱性,耐候性= 庫用在雷子1 t 已有大量塑膠披覆薄膜產品 應用在電子、夂車、家庭用品等工業上。 現行的覆膜塑膠都具備構成任何—種塑膠的 石基51屬,層;該基材為結構支撐用材料,例如由聚 科,例如中華民國專利公告第57294Gst「p 1331158 / »[Technical Field] The present invention relates to a method for recovering and separating a substrate having a polyurethane coating layer, in particular, a substrate having a polyurethane layer is placed in a chemical solution environment, Since the residual polyurethane layer will affect the subsequent recycling process, and remove the polyamine attached to the substrate (4) (4) is the separation technology, the chemical solution desorbs the poly layer, and further separates the ammonia from the purpose. The substrate is heated for a long time to remove the ammonia s. The addition of water has little effect on the properties of the substrate, so that the substrate can be reduced and the material is deteriorated. Thus, the separation efficiency can be greatly increased, and the quality of the substrate (4) can be recovered. This is a gambling and fast mass production, with the advantages of fast, simple and low cost. [Prior Art] 2 The purpose of material coating _ can be to provide anti-purple hardening treatment, anti-fogging treatment, anti-reflection (anti-glare), lack of defects, and so on. Point, Shu special properties, improve the heat resistance of the product, weather resistance = library used in Leizi 1 t a large number of plastic coated film products are used in electronics, brakes, household goods and other industries. The current film-coated plastics are provided with 51 types of stone bases of any type of plastic; the substrate is a structural support material, for example, by Polykee, for example, the Republic of China Patent Publication No. 57294Gst "p 1331158 / »

其設備」、聚氨基曱酸乙酯泡綿化學裂解技術基礎研究(李 俊坤,國立台灣大學環境工程學研究所,85年碩士論文) 和廢PU泡綿再利用研究(鄭建民,大葉大學,89年碩士論 文)都以塊材為研究對象。Its equipment", basic research on chemical cracking technology of polyamino phthalate foam (Li Junkun, 85-year master's thesis, National Taiwan University, Institute of Environmental Engineering) and recycling of waste PU foam (Zheng Jianmin, Da Ye University, 89 years) Master's thesis) is based on blocks.

一般聚氨酯(PU)由兩相來組成,包括軟段和硬段,軟 #又疋長鏈多元醇,硬段是由異氰酸醋和擴鏈劑構成。聚氨酉旨 疋由異氰酸酯和多元醇反應先生成預聚體,然後與擴鏈劑反 應硫化制得。树制“―步法”來合錢氨自旨崎低成本 和增加反應速度。所謂“一步法,,就是將多元醇、異氰酸酯 及擴鏈劑混合,直接反應生成聚氨酯。 至於覆膜塑膠部分’例如中華民國專利公告第162116 號「非破壞性塑膠鍍層剝離技術」,係使用於塑膠電鍍後 之不良品、廢棄後之電鍍塑膠回收品等表面金屬鍍層的回 收;其特徵係在於:回收時,先以機械方法喷擊而剝除佔 塑膠表面積95%以上的金屬鍍層,紐將該瓣浸入氯化Generally, polyurethane (PU) consists of two phases, including a soft segment and a hard segment, a soft #又疋 long chain polyol, and a hard segment composed of isocyanic acid vinegar and a chain extender. Polyurethane is prepared by reacting isocyanate and polyol into a prepolymer and then reacting with a chain extender. The tree-based “step method” combines the cost of ammonia with the low cost and increases the reaction speed. The so-called "one-step method" is to mix a polyol, an isocyanate and a chain extender to directly react to form a polyurethane. As for the plastic part of the film, for example, the Republic of China Patent Publication No. 162116 "non-destructive plastic coating peeling technology" is used in Recycling of surface metal coatings such as defective products after plastic plating and recycled plastics after recycling; characterized by: mechanically spraying and stripping metal coatings occupying more than 95% of the surface area of plastics. Immersion chlorination

銅或氣化鐵溶液中_〜齡鐘左右,即可完全除去殘餘 的金屬鍍層者。 歸納而言,是採機械外力先將薄膜材料層刮除,續以 化學溶液去除’但機械方㈣行轉過料造成基材電鐘 面粗糙化,難以重新電鍍再使用,且噴擊有其死角,加上 回收所得齡巾混有金;|、研練和高分子;、造成後續的 解離問題或二次污染,时所得麵無法使用在高價的原 用途在處理過程巾容易使基材表面材料產生物性變化, 難以確保回收基材的預期品f,窄化循環使用基材材料的 4 1331158 、· ·*In the case of copper or gasified iron solution, the residual metal plating layer can be completely removed. In summary, it is the mechanical external force to scrape off the film material layer, and continue to remove with chemical solution 'but the mechanical side (four) line turns over the material to make the substrate clock face rough, difficult to re-plating and then use, and the spray has its dead angle , plus the recycled age towel mixed with gold; |, training and polymer;, causing subsequent dissociation problems or secondary pollution, when the resulting surface can not be used in the high-cost original use in the process towel is easy to make the substrate surface material It is difficult to ensure the expected product f of the recovered substrate, and the narrowing cycle uses the substrate material 4 1331158 , · ·*

回收塑膠料 範圍,降低其再利用的價值,只能論為低價的 然而,該等公報中所記載的處理方法,只適用於破壞 金屬膜’至於具雜的高分子膜層則完全失效,因此,如 何加速化學溶液反應’減少製程_,更重要的待解決問 題在於減少化學溶賴高分子紐之傷#,藉啸高回收 高分子基材的回收價值,目前並未提出相關專利。 【發明内容】 本發明係關於一種具聚氨酯層披覆的基材回收分離方 法,特別是指具聚氨酯層的高分子材置於化學溶液環境中, 由於聚氨s旨層殘留會影響後續回收製程,且脫除基材上附著 的聚氨層材料是分離技術關鍵所在,利用化學溶液脫附聚 氨醋層,即使是相疊成塊的⑽·或形狀複_結構零件 ,因水分的滲入而易分離,降低疊塊相黏的強度,進一步分Recycling the range of plastic materials and reducing the value of their reuse can only be considered as low-cost. However, the treatment methods described in these publications are only applicable to the destruction of metal films' to the complete failure of the polymer film layer. Therefore, how to accelerate the chemical solution reaction 'reducing the process _, the more important problem to be solved is to reduce the chemical dissolution of the polymer New Zealand's injury #, borrowing high recovery polymer substrate recycling value, no relevant patents have been proposed. SUMMARY OF THE INVENTION The present invention relates to a method for recovering and separating a substrate having a polyurethane layer, in particular, a polymer material having a polyurethane layer is placed in a chemical solution environment, and the residue of the polyurethane layer may affect the subsequent recycling process. And removing the polyurethane layer material attached to the substrate is the key to the separation technology, and the chemical solution is used to desorb the polyurethane layer, even if the layers are stacked together (10) or the shape of the composite part, due to the infiltration of moisture. Easy to separate, reduce the strength of the stack, and further divide

離出聚氨s旨’不需要長時間加熱基板以去除聚氨酿,加H 對基材性質影響小,故可減少基板的材質劣化,如此,可大 幅增加分離效率,且有助於回收高品f基板材料之方法。本 發明可以完整徹底域速的去除,翻於量產具有快速、簡 單和低成本的優點。 、 曰 過去冒用域解法回收廢舊聚氨酯,域解法即⑽It is not necessary to heat the substrate for a long time to remove the polyurethane. The effect of adding H on the properties of the substrate is small, so that the deterioration of the material of the substrate can be reduced, so that the separation efficiency can be greatly increased and the recovery is high. The method of the material of the substrate. The present invention is capable of complete and complete domain speed removal, and has the advantages of being fast, simple, and low cost in mass production.曰 In the past, the domain solution was used to recover waste polyurethane. The domain solution is (10)

Li、K、%、ca之—或多種的混合物)為分解劑,綱廢料分 解為聚趟與芳香二胺; R-NHCOOR* -^R-NC0+R, -oh R-NHCONH-R* -^R-NCO+R* -NH2 5Li, K, %, ca—or a mixture of multiples) is a decomposing agent, and the waste material is decomposed into polyfluorene and aromatic diamine; R-NHCOOR* -^R-NC0+R, -oh R-NHCONH-R* - ^R-NCO+R* -NH2 5

R-NCO-f2NaOH->R-Nfj2+Na2CO _每乂? 域解過程由分解反應、甲苯二胺分離回收與聚醚精製三 部分組成。 例如’按PU廢料:moh :多元醇或醚=ι: 〇.丨〜〇. 5: 〇.丨5〜〇. 45 (質里比)的比例心料,加熱到域解,生成物經遽網從 反應爸下部放出,經脫色、财,先後加人0. 3〜3倍的非極性 ,劑(賴或齒代煙)和水,攪拌,靜止或離心分液,油層 洛去水和溶劑’得多元醇㈣,可直接用於生細泡泳。 塊材其反應過程和溫度等變數完全異於本申請案,而且 不適用於赌料,回收物和反紐產物相差更多,想法與 本案相差甚多。 【實施方式】 接著,茲列舉一些具體實施例,詳細介紹本發明之内容 及其所能達成之功效: 以下為其可行步驟之一: 1 ·分類:將各式覆膜材料依覆層材質歸類。例如PU和 有機石夕等之不同而分類; 2 ·去除覆層:續將此pu覆膜材料置入鹼性溶液中。 3取出沖洗:即可完全去除覆臈層,其顯微結構如圖 一所示。 例如’將待處删覆_PG瓣置人容Μ,在蚊加溫 的2件下’以2〇Wt%氫氧化納中浸置,授拌進行時間5min,或 +入的條件下,以5〇μ%氫氧化錢中浸置,取出沖洗,即可 完全去除覆膜層,並保留基材原始物性以供高價值之再利用 例如,將待處理Ρϋ覆膜的PC塑膠置入容器中,在常溫的 條件下,以15wt%高錳硝鉀中浸置,或2〇wt%以上的次氯酸鈣, 授拌進行時間15min,取出沖洗,即可完全去除覆膜層,並保 留基材原始物性以供高價值之再利用。 例如,將待處理PU覆膜的PC塑膠置入容器中,在常溫的 條件下’以5〜25wt%雜中浸置,或3wt%以上的氮氣酸或高 乳酸或次紐或亞硫酸或物或氣雜,麟進行時間 L ’取出沖洗,即可完全去除覆膜層,雜留基材原始物 性以供高價值之再利用。 例如’將待處理卯覆膜的PC塑膠置入容器中,在常溫的 條件下,以乙醇、異丙醇、情、丁烯、丁二稀中浸置,授 2進行’取出沖洗,即可拉絲覆膜層,並保留 基材原始物性以供高價值之再利用。 合 亦即可使㈣化學藥劑包括酸、驗、鹽和有機溶劑之集 述的膜材料進人分離程料,係將待處理之覆膜材 於水溶液中,婦PH值和溶液溫度,配合清洗分離程 ==採取觸,、魏、加熱和超音波等方法提 冋>月洗速度和清洗質量。 另外,各類覆膜材料因㈣、來源、製作參數和品管等 女’可月b有多種覆膜’但需要有分離pu覆膜層製程部分, 而有進-步料㈣齡離之步驟 道製程之其中—部份。 頌層了為夕 m修正 另外,經過化學藥劑預分離之品,係可再施予 至少有機械力、電弧、電磁波和超音波中一種方法,以進一 步徹底解離;或者,先扣至少有機械力、魏、電磁波和 超音波中一種方法部分解離,再續以化學藥劑分離辅助解離 等,有利於完全解離;即化學藥劑溶液分離輔助解離可為多 道製程之其中一部份。 另外,各類PU覆膜因基地材質、製作參數和品管等差異, 故上段所述之有機械力可包括破碎、研磨和到除,化學藥劑 可包括酸、驗、鹽和有機溶劑,電磁波可包括微波,但其他 可產生分層或破壞之電磁波’均屬本設案可適用的範圍。覆 膜材料的型態包括成形零件、粉體和碎片等。 此外,上述基地材質包括金屬、塑膠、陶瓷和複合材料, 覆膜製作包括賴、喷塗和塗覆。此聚氨關的原料包括: 異氰酸酷、聚醋多元醇和聚峻多元醇中至少一種,覆膜解 離時’可同時外加流體將剝離層移離,如此可節省分離的 間與能源。 ’ 又,有關將PU覆膜材料置入化學藥劑環境之方式, 下列方式: 1 .批次式,pu覆膜材料分批進出於化學藥劑環境; 2 ·半連續式,PU覆膜材料以輸送帶輸送至化學藥劑環 境中’其停止行進接受解離,俟解離完畢再由輸送帶二‘ 學藥劑環境; 3連續式’ PU覆膜材料以輸送帶輸送至化學藥劑環境 中,其持續進行接收解離,解離完畢時,_膜材料適被送R-NCO-f2NaOH->R-Nfj2+Na2CO _ per 乂? The domain solution process consists of three parts: decomposition reaction, separation and recovery of toluene diamine and purification of polyether. For example, 'press PU waste: moh: polyol or ether = ι: 〇.丨~〇. 5: 〇.丨5~〇. 45 (mass ratio), the proportion of the heart material, heated to the domain solution, the product through the 遽The net is released from the lower part of the reaction dad, after decolorization, wealth, has added 0.3 to 3 times the non-polar, agent (lai or tooth to replace the smoke) and water, stirring, static or centrifugal liquid separation, oil layer Luo water and solvent 'Get polyol (four), can be directly used for raw bubble swimming. The parameters of the reaction process and temperature of the block are completely different from the application, and it is not suitable for the gambling. The recycled matter and the anti-new product are more different, and the idea is quite different from the case. [Embodiment] Next, some specific embodiments will be described in detail, and the contents of the present invention and the effects thereof can be described in detail: The following are one of the feasible steps: 1 · Classification: various types of coating materials are classified according to the coating material class. For example, PU and organic Shi Xi are differently classified; 2 · Removing the coating: Continue to place the pu coating material in an alkaline solution. 3 Take out the rinse: the cover layer can be completely removed, and its microstructure is shown in Figure 1. For example, 'put the _PG flap to be placed in the room, and immerse it in 2 〇Wt% sodium hydroxide under the 2 pieces of mosquito heating, and mix the mixing time for 5 min, or + into the condition, Immerse in 5〇μ% hydrogen peroxide, remove and rinse, completely remove the coating layer, and retain the original physical properties of the substrate for high-value reuse. For example, put the PC plastic to be treated into the container. Under normal temperature conditions, immersed in 15wt% high manganese nitrate potassium, or more than 2% by weight of calcium hypochlorite, the mixing time is 15min, the rinse is taken out, the coating layer can be completely removed, and the base is retained. Raw material properties for high value reuse. For example, the PC plastic of the PU film to be treated is placed in a container, and is immersed in 5 to 25 wt% of impurities under normal temperature conditions, or more than 3 wt% of nitrogen acid or high lactic acid or secondary or sulfurous acid or Or the gas is mixed, the lining is carried out at a time L', and the coating layer can be completely removed, and the original physical properties of the mixed substrate are used for high-value reuse. For example, 'put the PC plastic to be treated with the enamel film into a container, and immerse it in ethanol, isopropyl alcohol, butyl, butylene, and dibutyl sinter under normal temperature conditions. The coating layer is drawn and the original physical properties of the substrate are retained for high value reuse. The film material of the chemical agent including acid, test, salt and organic solvent can be separated into the material, and the film to be treated is in an aqueous solution, the pH value of the woman and the temperature of the solution are matched with the cleaning. Separation process == Take measures such as touch, Wei, heating and ultrasonic to improve the monthly washing speed and cleaning quality. In addition, all kinds of coating materials have various coatings due to (4), source, production parameters and quality control, but need to have a part of the separation process of the pu coating layer, and there are steps to separate the material (four). Part of the Tao process. In addition, the chemical layer pre-separated product can be further applied with at least mechanical force, arc, electromagnetic wave and ultrasonic wave to further dissociate completely; or, at least mechanical force is deducted first. Partial dissociation of one method in Wei, electromagnetic wave and ultrasonic wave, and further separation by chemical separation assisted dissociation, etc., is beneficial to complete dissociation; that is, chemical reagent solution separation assisted dissociation can be part of a multi-channel process. In addition, various types of PU coatings vary in base material, manufacturing parameters, and quality control, so the mechanical forces described in the previous paragraph may include crushing, grinding, and removal. Chemicals may include acids, tests, salts, and organic solvents. Microwaves may be included, but other electromagnetic waves that can cause delamination or destruction are within the scope of this design. The type of coating material includes shaped parts, powders and fragments. In addition, the above base materials include metal, plastic, ceramics and composite materials, and the film production includes laying, spraying and coating. The raw material of the polyurethane comprises: at least one of isocyanic acid, polyglycol polyol and poly-thin polyol. When the film is dissociated, the fluid can be removed at the same time, so that the separation and energy can be saved. 'In addition, the way to put the PU film material into the chemical environment, the following methods: 1. Batch type, pu film material in batches into the chemical environment; 2 · Semi-continuous, PU film material to transport The belt is transported to the chemical environment, where it stops traveling and receives dissociation, and the disintegration is completed by the conveyor belt. The 3 continuous-type PU coating material is transported to the chemical environment by the conveyor belt, which continuously receives and dissociates. When the dissociation is completed, the _membrane material is sent

9E9E

離; 中,於- 該批次式係利用容器盛裝覆蹄料整批置人 一疋時間後將其料,以完鑛離,科連 固定排列於輸送帶上,利用輸送帶間雜輸 時間内輸送—纽量之覆赌料,進出通過 應槽’以完成解離,又連續式係綱覆膜材料逐個固 列於輸送帶上,利用輸送帶連續不斷的進出通齡 以完成解離。 、义In the batch type, the container is filled with the hoof material and placed in the batch for a period of time, and then the material is finished, and the Kelian is fixedly arranged on the conveyor belt, and is transported by the conveyor belt. - The amount of gambling material is fed, and the in and out of the tank is used to complete the dissociation, and the continuous type of laminating material is fixed on the conveyor belt one by one, and the conveyor belt is continuously in and out of the working age to complete the dissociation. Righteousness

上述方式皆可達到解離目的,皆適於本方法。 唯以上所述者’僅為本創作之—較佳實施例而已,當不 月匕以之限疋本創作實施之範圍。如浸泡槽内可進_步搭配紫 外線、臭氧、刷洗、高壓水柱沖洗、攪動、噴射、循環、加 熱、超音波、有機溶劑、真空洗淨、流水式錢械_方式 可縮短去除_等方法,均屬可行之例,皆闕本創作專利 涵蓋之範圍内。All of the above methods can achieve the purpose of dissociation, and are all suitable for the method. The above description is only for the purpose of the present invention, and is not limited to the scope of the present invention. For example, the soaking tank can be combined with ultraviolet light, ozone, scrubbing, high-pressure water column washing, agitation, spraying, circulation, heating, ultrasonic, organic solvent, vacuum washing, flowing water-type _ way to shorten the removal method, etc. All are examples of feasibility and are covered by this patent.

上段所述之有機賴,可包括清潔力強、閃火點高且與 水互洛,或可以軟化層P指度的軟化溶劑,或可以降低軟化 /谷劑對基材的知姓性緩衝助劑,或可以加速軟化溶劑對層狀 結構的解料度之添加促it劑,或可崎低6魏之黏著物 回沾到基材的情形之添加抗靜電助劑等溶劑混合而成。 如此,若使用前述之處理製程,則僅以簡單的處理方法 即可以自廢棄覆膜材料回收未產生變質之基材材料,而且回 收純度高的基材材料,並使得循環使用成為可能。且由於高 效率地實施自廢棄覆膜材料除掉不要的薄層,並回收基材材 9 II -- II --1331158 料’因此具有可以大幅削減覆膜材料成本之優“ 在實施態樣中,雖以基材層上有PU層之覆膜塑膠做為广 理對象,惟在此鋪膜瓣製造針產生損傷者,或在製^ 後最終的檢查過程中變成孩品者,或達到水準後之剩餘ς 存品等中之任-種也都可以;易言之,無論基材層上有何声 狀組織,只要具有驟結構都可以_和前軸同的處理^ 法,而確實地實施基材材料之回收者。 本發明提供之處财法_於從製輕財發生損傷的 PU覆膜歸,或在製造後之最終的檢查触巾成為不良品, 或變成剩制庫存品等,回收其基材材料賴環使用。由於 可以回收純度高的紐㈣,因此所时的紐材料理所當 然的可以制做魏瓣的基材,也可以與其他材質混推和 膠等廣,_途中加以個,且容易循環使料轉原料, 具有極同崎效S,並可有效避免覆卿齡 中所造叙材質料者。 過私 综上所述,當知本創作具有新穎性,且本創作未見之於 任何刊物,當符合專利法第21、22條之規定。 、 心唯以上所述者,僅為本創作之一較佳實施例而已,當不 能以之限定本創作之範圍。即大凡依本創作申請專利範圍所 作之均等變化與修飾,皆應仍屬本創作專利涵蓋之範圍内。The organic layer mentioned in the above paragraph may include a softening solvent with strong cleaning power, high flash point and mutual water, or softening layer P can be softened, or can reduce the softening/valency agent to the substrate. The agent may be prepared by accelerating the addition of a stimulating agent to the degree of dissolution of the layered structure of the softening solvent, or by adding an antistatic agent or the like in the case where the adhesive of the smear is 6 Å back to the substrate. As described above, by using the above-described treatment process, the substrate material which has not been deteriorated can be recovered from the waste film material by a simple treatment method, and the substrate material having high purity can be recovered, and recycling can be made possible. Moreover, since the unnecessary thin layer is removed from the waste film material and the substrate material 9 II -- II --1331158 is recovered efficiently, it is excellent in the cost of the film material. Although the plastic film with the PU layer on the substrate layer is used as the object of the widening, the needle is made to cause damage to the needle, or it becomes a child during the final inspection process, or reaches the standard. Any of the remaining ς 存 存 等 ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; ; Recycling of the substrate material is carried out. The present invention provides a method for the production of a PU film which is damaged by the light weight, or the final inspection touch towel after manufacture becomes a defective product, or becomes a residual inventory. Recycling of the substrate material Lai ring. Because it can recover high purity (4), the new material can be used to make the Wei petal substrate, and it can also be mixed with other materials and glue. Add one, and it is easy to recycle the material to the raw material, With the effect of Saki, and can effectively avoid the material materials written in the Qing Dynasty. In the above, when the knowledge of the creation is novel, and the creation is not seen in any publication, it is in compliance with the Patent Law. The provisions of Articles 21 and 22, and the above mentioned, only for the preferred embodiment of this creation, can not be used to limit the scope of this creation. That is, the equivalent change of the patent application scope of this creation and Modifications shall remain within the scope of this Creative Patent.

1331158 N 气3 -3 fif^j 年月θ ___補充 【圖式簡單說明】 第一圖:彼覆聚氨酯之顯微結構,圖的左邊為處理 中結構,圖的右邊為處理後結構。 【主要元件符號說明】1331158 N Gas 3 -3 fif^j Year θ ___Supplement [Simple description of the diagram] First: The microstructure of the polyurethane is covered. The left side of the figure is the structure in process, and the right side of the figure is the structure after treatment. [Main component symbol description]

Claims (1)

七 ‘申請專·圍··一 亦」 β.一種具聚氨酯層披覆的基材回收分離方法,特別 疋心具長鏈多70g|和異氰賊經硫化反應構成的高分子層 披覆材加/皿’置於個別溶有5耐%氫氧化敍、心伐高链硝 H〇Wt%以上的次氣酸每、5〜25wt%瑣酸、3wt%以上的氫氟 酸或高氣酸或:欠驗或亞赌或侦或氯·、乙醇或異丙 醇或甲搭或T烯或丁二稀巾浸置麟,脫附聚氨酯層,而進 一步分離出聚氨g旨’有助於回收高品f基板材料之方法者 2 ·如申請專利範圍第i項所述具聚氨醋層披覆的基 材回收分離方法’其中分離聚氨S旨層可為回收製程之1中 一部份。 /' 3 ·如申請專利範圍第丄項所述具聚氨醋層披覆的基 材回收分離方法,其巾此製程適用於從製造過程中發生損 傷’或在製造後之最終的檢查過程中成為不良的,或變成剩 餘的庫存品之具聚氨g旨層披紐料,包括成形零件、粉體和 碎片型態。 4 ·如申請專利範圍第1項所述具聚氨酯層披覆的基 材回收分離方法,其中此聚氨g旨層的原料包括:異氣酸 醋、聚酯多元醇和聚醚多元醇之集合。 5 ·如申請專利範圍第1項所述具聚氨酯層披覆的基 材回收分離方法,其中此聚氨g旨層的原料可添加包括:句 泡劑、固化劑、擴鏈劑、溶劑、發泡劑、阻燃劑、中間體、 脫模劑、增塑劑、助劑、相關顏料、色漿之集合。 12 丄丄丄二 9 iirji: 補充; 姑⑽:申請專利获訂雨^具^^層披覆的ϊ _離方法,其中基材包括金屬、_、喊和複合 材料。 可同時外加流體將 申吻專利範圍第1項所述具聚氨酯層披覆的基 回收分離枝,其巾Ρϋ覆赌離時, 剝離層移離。 8 ·如巾請專利範圍第1項所述具聚氨S旨層披覆的基 m 回收刀離方法’其中該覆膜材料之聚氨g旨係、至少具有一 層0 9 ’如冑請專利範㈣1項所述具聚氨8旨層披覆的基 . #时分離方法’其中該伽材料置人反應環境中之方式 係為批次式置入、半連續式置入或連續式置入者,其中該 • 批-人式係利用容器盛裝覆膜材料整批置入,於一定時間後 將其取出’以完成解離,而半連續式係將覆膜材料逐個固 定排列於輸送帶上,利用輸送帶間歇性輸送,而在一定之 • 肖間内輸送一定數量,以完成解離,又連續式係將覆膜材 料逐個固定排列於輸送帶上,利用輸送帶連續不斷的進出 通過反應環境,以完成解離。 13VII. Application for specialization · ··一一” β. A method for the recovery and separation of substrates with polyurethane coating, especially for long-chain 70g| and polycyanoprene sulphide Adding / dish 'placed with 5%% hydrogen hydroxide, heart-cut high-chain nitrate H〇Wt% or more, 5~25wt% tribasic acid, 3wt% or more hydrofluoric acid or high gas acid Or: under-test or sub-gambling or detection or chlorine, ethanol or isopropanol or ketone or T-ene or butyl wipes soaked in the lining, de-bonding the polyurethane layer, and further separating the polyurethane Method for recovering high-quality f-substrate material 2 ·Recovering and separating method of substrate with polyurethane coating as described in item i of claim patent 'The separation of polyamine S layer can be one of the recycling process 1 Share. /' 3 · The method for recycling and separating the substrate with a polyurethane layer as described in the scope of the patent application, the process of which is suitable for damage from the manufacturing process or during the final inspection process after manufacture Become a bad, or become the remaining inventory of the polyurethane layer, including molded parts, powder and debris. 4. The method for recovering and separating a substrate having a polyurethane layer as described in claim 1, wherein the raw material of the polyurethane layer comprises: a mixture of an isophthalic acid vinegar, a polyester polyol, and a polyether polyol. 5) The method for recovering and separating a substrate having a polyurethane layer coating according to claim 1, wherein the raw material of the polyurethane layer may include: a foaming agent, a curing agent, a chain extender, a solvent, and a hair A collection of foaming agents, flame retardants, intermediates, mold release agents, plasticizers, auxiliaries, related pigments, and colorants. 12 丄丄丄二 9 iirji: Supplement; 姑(10): Apply for a patented ^ _ 方法 method, in which the substrate includes metal, _, shout and composite materials. At the same time, the fluid may be applied to the base of the polyurethane-coated layer according to the first aspect of the patent application, and the peeling layer is removed when the towel is covered. 8 · For the towel, please refer to the method for the base m recovery knife with the cover of the polyurethane layer as described in the first paragraph of the patent scope. The polyurethane material of the coating material is intended to have at least one layer of 0 9 ' The method of the present invention is characterized in that the method of placing the gamma material in the reaction environment is batch placement, semi-continuous insertion or continuous placement. The batch-human system uses the container to hold the coating material in batches, and takes it out after a certain time to complete the dissociation, and the semi-continuous system arranges the coating materials one by one on the conveyor belt. The conveyor belt is intermittently conveyed, and a certain amount is transported in a certain distance to complete the dissociation, and the continuous coating system is arranged on the conveyor belt one by one, and the conveyor belt continuously enters and exits through the reaction environment. To complete the dissociation. 13
TW094124615A 2005-07-19 2005-07-19 The recycling and separation method of substrate coated with polyurethane layer TW200704676A (en)

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