201221723 六、發明說明： 【發明所屬之技術領域】 本發明係一種改善羽毛和羽絨顏色的方法，特別係指一種使用含 碗化合物來改善羽毛和羽絨顏色且不會對消費者健康產生危害的方法， 其主要係利用含硫化合物將發生黃變的羽毛和羽絨進行除黃，再以氧 化劑將羽毛和羽絨增白，同時使羽毛表面官能基達到最高氧化態，防 止羽毛和羽絨再發生黃變效應，最後進行將羽毛和羽絨進行清洗及乾 燥以除去多餘的過氧化氫，並且使得羽毛和羽織達到絲光化的效果， 本發明之方法可以完全保有羽毛和羽絨的柔順手感，並具有提升漂洗 良率及操作簡單之特性。 【先前技術】201221723 VI. Description of the Invention: [Technical Field] The present invention relates to a method for improving the color of feathers and downs, and more particularly to a method for using a bowl-containing compound to improve feather and down color without causing harm to consumers' health It mainly uses the sulfur-containing compound to remove the yellowing feathers and feathers, and then whitens the feathers and feathers with oxidants, and at the same time makes the surface functional groups of the feathers reach the highest oxidation state, preventing the yellowing effect of feathers and feathers. Finally, the feathers and feathers are washed and dried to remove excess hydrogen peroxide, and the feathers and feathers are smoothed. The method of the invention can completely maintain the smooth feel of feathers and feathers, and has the improved rinsing yield. And simple operation features. [Prior Art]
使用細丹尼數的布料進行製衣的需求越來越大，對於填充於此細丹 尼數布料+内容物的顏色和亮度的要求摘來越高。由於該類布料透 光度高’所以内容物的色度品質必須均勻化，否則可能會使得衣物的 外觀;^起來顏色不均，而影響㈣者購買愁望…般來說，常用於填 充在這類布射的内容物大？為羽毛和賴，並靖洗方式來降低羽 毛和羽絨間的色差但是這些羽毛和羽絨即使來自自鶴或自鴨即便顏 色已屬偏白但是實際上仍較為暗沉，或是容易呈現黃變的狀況，一旦 填入此類細丹尼歸料的錄巾，絲法完全改轉料成衣服外觀 看起來顏Μ均之舰，耻_毛和賴”除黃增自，，便成為相關羽毛 及羽絨業者致力改善的目標。 現有大多改善羽毛顏色的方法係沿用羊毛漂自的方法主要以強 =劑，如雙氧水及魏酸料，進行氧漂和氣漂，以去除羊毛令的 色=黑色素和類__並增進羊毛的白度，整趙製程時 至8 [S】 小時，且需在碑7龜听)_灯方驗行。纽羊毛漂白法應 3 201221723 用於白鶴或白_羽毛和職時賴可以達到漂白的目的但是也 造成如下之問題： i製，時間過長’並且過度耗費能源進行增溫； 2. f品無光澤，必須糾添加螢光增_，使其具有絲光化的效果； 3. 容易翻毛造成損傷，舰產生賴及絲狀產品之*良率增加； 及 热活這到改善羽毛黃變的效果。The demand for garments using fine Denier fabrics is increasing, and the requirements for color and brightness of the fabrics + contents filled with fine denier are higher. Since the fabric has a high transparency, the chromaticity of the contents must be uniform, otherwise the appearance of the clothes may be caused; the color is uneven, and the influence is (4). What kind of content is this type of cloth? Feather and Lai, and wash the way to reduce the color difference between feathers and feathers. But these feathers and feathers are actually darker, even if they come from cranes or ducks, even though the color is already white, or it is easy to appear yellow. In the condition, once the record of such fine Danny's returning is filled in, the silk method is completely changed into a ship that looks like a clothing, and the shame_Mao and Lai, in addition to Huang Zengzi, become related feathers. The down-spinners are committed to the goal of improvement. Most of the existing methods for improving the color of feathers are based on the method of wool bleaching, mainly using strong agents such as hydrogen peroxide and ferulic acid, for oxygen bleaching and air bleaching to remove the color of wool and melanin. __ and increase the whiteness of the wool, the whole process of the Zhao process to 8 [S] hours, and need to be heard in the monument 7 turtles. _ lamp side inspection. New wool bleaching method should be 3 201221723 for white crane or white _ feather and job Time can achieve the purpose of bleaching but also causes the following problems: i system, the time is too long 'and excessive energy consumption for temperature increase; 2. f product is dull, must add fluorescing increase _, make it mercerized Effect; 3. Easy to roll Damage, ship and produce increased yields * Lai filamentous products; and to improve this hot live feather yellowing effect.
一，前三項缺點，在中國第孔屬1〇〇37856」公開號專利中揭露 種色羽毛及闕快速脫色增自方法其以硫酸亞鐵方法，於常溫 ’羽毛和賊⑽酸雜進行預處理，使碰亞鐵可以滲透入羽 朗蛋白紙軸’讓亞鐵離子與色素充分錢再以溫水沖洗 漂白處 1絨從ΐίί應的亞鐵離子洗去’再以雙氧水於常溫下，進行 和氣Ϊ以irf顯示，所得到的羽毛和羽域其損傷較傳統的氧漂 你."、J手感較為柔順，可是其製程時間需長達12小時，且 光澤’雖然較傳統氧漂和氯漂好，但顯得暗淡，又加工 (咖姑-=水中含有大量的硫酸和鐵離子，易造成化學需氧量 (COD)過向，容易對環境產生危害。 羽毛善已經產生黃變的白鶴或白鴨 述即已無法達到除黃增白的效果，並且除了如上所 =有大量增加的趨勢之外，就手感上而言，相當_二= 去羽毛和羽絨原有的柔順，並且造成漂洗良率下降。 全失 在羊毛的如方法裡，另有還原漂白法，其以亞麵 順，：===是 有一定的ί難t 硫酸及其鹽類，其廢水的處理上， 理音2目知的方法裡，仍然切—個聽的方法，可以直接處 黃變的羽毛和，並且增加白亮度。絕大多數的方法⑸ 4 201221723 - 自劑’於清洗程序完成後，進行添加。軸該種藥#|可增白，並且造 • 成視覺上的紐，但是簡_目前證實對於消費者健康有其風險性， 所以禁用於羽毛和羽絨湖製品。航亮白的羽毛和羽絨對於細丹尼 布料的衣服有其需求性，並且增進衣服的顏色明亮度。所以目前仍大 多採用較高單價的歐洲白麟，但卻具有增加製造成本的缺點。 所以如何改善禽類羽毛和羽絨的顏色，並提升其應用潛力及價值， 為業界所需要的重要技術。 【發明内容】 # 本發明係提供一種改善羽毛和羽絨顏色的方法，其主要係利用含硫 化合物將發生黃變的羽毛和羽絨進行除黃，再以氧化劑將羽毛和羽& 增白，同時使羽毛表面官能基達到最高氧化態，防止羽毛和羽絨再黃 ，效應，最後進行將羽毛和羽絨進行清洗及乾燥以除去多餘的過氧化 氫’並且使得羽毛和羽絨達到絲光化的效果β 本發明中之含硫化合物係具有還原劑的特性，可將羽毛和羽絨表面 含硫、氨、氫氧官能基等胺基酸進行還原作用，以去除外來的化學物 質，而氧化劑則可使被還原的胺基酸進行氧化作用達到最高氧化態， 以防止外來化學物質再與其產生氧化反應，阻斷其再次黃變的可能 性。 ® 本發明除了具有良好的除黃增白效果外，也不會具有類似過去的對 於羽毛漂白方法所造成的生溫手感，完全仍保有羽毛和羽絨原有的柔 順手感，提升漂洗良率，整體操作最長時間為丨2〇分鐘，並且可根據 不同的毛種和黃變程度，適度調整操作時間和藥劑量，增加現場操作 的彈性並且達到節省成本的目的。 請參考第1圖所示，本發明改善羽毛和羽絨顏色的方法包括 有下列步驟： 除黃：將羽毛或羽絨浸泡於第一液體中，再於第一液體中添加一 含硫化合物； 增白：完成除黃步驟的羽毛和羽織浸泡於第二液體中，並於第二 液體中添加1至3次氧化劑；及 『 5 201221723 /月洗及乾燥：將完成增白步㈣羽毛和賴進行清洗及乾燥。 發^的方法中第一液體和第二液體係溫度保持於40至60 ’’ 7 ’第-液體中可更進-步添加有顧誠清軸，第二液體 中可更進一步添加有鹼性物質。 驟中所使㈣含硫化合物具有進行還原作㈣特性，係 :ί! 險粉和二氧化硫脲(Thi〇ureadi〇xide)的群、㈣硫化 加4為每公升第—賴巾添加Q1至3公克，除黃無之作用 時間係20分鐘至1小時。 在增白步驟中，係在酸鹼值為ρΗ 8 〇至1〇 〇的條件下進行反應，First, the first three shortcomings, in China's Dijon 1 〇〇 37856" public patent disclosed in the color of feathers and cockroaches rapid decolorization increased from the method of ferrous sulfate method, at room temperature 'feather and thief (10) acid pre-pre- Treatment, so that the touch of ferrous iron can penetrate into the Yulang protein paper shaft 'Let the ferrous ions and pigments full of money and then wash the bleaching place with warm water 1 velvet from the ferrous metal ions of ΐίί should be washed again with hydrogen peroxide at room temperature The air and the Ϊ 显示 Ϊ ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir ir Drifting, but it appears dim, and processing (Gaku-= water contains a lot of sulfuric acid and iron ions, easy to cause chemical oxygen demand (COD) over the direction, easy to harm the environment. Feather good has yellowed crane or The white duck said that it has been unable to achieve the effect of removing yellow and whitening, and in addition to the above-mentioned = there is a large increase trend, in terms of the hand, it is quite _ two = the feathers and feathers are soft, and the rinsing yield is reduced. Full loss In the method of wool, there is a reduction bleaching method, which is sub-smooth, and: === there is a certain amount of sulphuric acid and its salts, in the treatment of wastewater, in the method of sounding 2, Still cut - a method of listening, you can directly yellow the feathers and increase the white brightness. The vast majority of methods (5) 4 201221723 - self-agent 'after the cleaning process is completed, add. Axis this medicine #| can Whitening, and made a visual new, but Jane _ has now proved to be risky for consumers' health, so it is forbidden in feathers and down lake products. Hang bright white feathers and downs for fine Danny cloth clothes It is demanding and enhances the color brightness of clothes. Therefore, most of the higher price of European white lining is still used, but it has the disadvantage of increasing manufacturing cost. So how to improve the color of poultry feathers and down, and enhance its application potential and Value, an important technology required by the industry. [Invention] The present invention provides a method for improving the color of feathers and downs, which mainly utilizes a sulfur-containing compound to cause yellowing of feathers. And feathers to remove yellow, then whiten feathers and feathers with oxidant, while the feather surface functional groups reach the highest oxidation state, prevent feathers and feathers from yellowing, effect, and finally remove the feathers and feathers to dry and remove Excess hydrogen peroxide' and the effect of the feathering and feathering on the mercerization. The sulfur-containing compound in the present invention has the characteristics of a reducing agent, and the amine and the surface of the feather and the feather are rich in amino acids such as sulfur, ammonia and hydrogen-oxygen functional groups. Reduction is carried out to remove foreign chemicals, and the oxidizing agent can oxidize the reduced amino acid to the highest oxidation state to prevent the external chemical from reacting with it and blocking the possibility of yellowing again. In addition to the good yellowing and whitening effect, the invention does not have the same raw temperature feel as the feather bleaching method in the past, and still retains the original feel of feathers and feathers, improves the rinsing yield, and the overall operation. The maximum time is 丨2〇 minutes, and the operation time can be adjusted moderately according to different hair types and yellowing degree. And the amount of dosage, increasing the flexibility of field operations and achieving cost savings. Please refer to FIG. 1 , the method for improving the color of feathers and feathers of the present invention comprises the following steps: removing yellow: soaking feathers or feathers in the first liquid, and then adding a sulfur-containing compound to the first liquid; : Complete the yellowing step feather and feather weave in the second liquid, and add 1 to 3 times of oxidant in the second liquid; and 『 5 201221723 / month wash and dry: will complete the whitening step (four) feather and lai cleaning And dry. In the method of the method, the temperature of the first liquid and the second liquid system is maintained at 40 to 60 ''7', and the liquid can be further added to the liquid phase, and the second liquid can be further added with a basic substance. (4) The sulfur-containing compound has the characteristics of reduction (4), which is: ί! Group of dangerous powder and thiourea dioxide (Thi〇ureadi〇xide), (4) vulcanization plus 4, adding Q1 to 3 grams per liter of the first ray. In addition to Huang Wuzhi's action time is 20 minutes to 1 hour. In the whitening step, the reaction is carried out under the conditions of a pH value of ρΗ 8 〇 to 1〇 ,,
=使用的氧化_魏化氫(亦可_雙氧水），其添加量為每次每公升 第二液體巾添加5錢公克，進行ω分鐘至2()分綱增白反應。 在清洗及乾燥步轉中，係以清水清洗羽毛和羽域，並以至少1〇〇 f之溫度將羽毛和羽絨進行錢。以下即以實施例說明本發明的詳細 嘗方tfL方我。 【實施方式】 在本實施方式中，所使用的第一液體和第二液體皆為清水。 本發明於水溫贼錢。C下，縣彿f树添純i至3公克含硫 化合物，並將羽毛或羽絨浸泡45分鐘至丨小時，浸泡過程中，不斷地 麟，以絲舰夠隨雜_勻散布;魏完錢，財溫水沖洗二 次以上’絲未反應的_含硫化合物。沖洗後_毛和贼，浸入 40 C至60t的溫水。娜至完全分散均勻後，加入每公升〇1公克至2 公克的氫氧化鈉’調整酸驗值㈣8.G至1G频湖^ 5健，直至完全 均勻。加入每公升〇1公克至〇 5公克雙氧水安定劑授摔均句。再以 分段添加方式，每次加人每公升5錢錢錢的濃度·過氧化氮， 獅並浸泡12分鐘至I?分鐘，進行氧化纽。絲後，以大量的清 水沖洗和排脫，並且以10(rc以上的熱風進行乾燥。最後進行冷卻，使 其達到自然絲光化。 以下所述實關不祕鱗·，改善縣和賴的方法， 201221723 特別係指-種制含軌合物纽善羽毛和賴顏色賴離本發明 的精神，則均屬本發明申請專利範圍。 實施例1 以韓國白鴨為例，該白鴨毛色呈現暗白。水洗設備中，充入槽重1〇〇 a種毛。加人）量清侧或濕糊與種毛混合，並且添加3 ^亞硫 酸鹽混合雜子清細。_ 5分猶，浸泡齡鐘。完舰，以冷 水沖排3 *。每公升〇·45公錢氧化鈉及每公升Q 5纟克雙氧水安定 劑-起加人’齡丨紐。添段每公升2G錢·過氧化氮， 擾拌1分鐘後’浸泡30分鐘，第二段每公升1〇公克5〇%過氧化氣加 入’授拌1分鐘後’浸泡3G分鐘，完成後，以冷水沖排4次，最後以 120 C乾熱風進行乾燥;最後於常溫條件下，授拌冷卻。 實施例2 以韓國白鴨為例，該白鴨毛色呈現暗白。水洗設備中，充入槽重1〇〇 公斤種毛。加入少量清潔劑或濕潤劑與種毛混合，並且添加15g/L二 氧化硫脲混合非離子清潔劑。攪拌5分鐘後，浸泡60分鐘《完成後， 以冷水沖排3次。1 g/L 45%液鹼及0.5 g/L雙氧水安定劑一起加入，搜 拌1分鐘。添加第一段20 g/L 50%過氧化氫，攪拌1分鐘後，浸泡30 分鐘，第二段10 g/L 50%過氧化氫加入，攪拌1分鐘後，浸泡30分鐘， 完成後，以冷水沖排4次，最後以12(TC乾熱風進行乾燥;最後於常溫 條件下，攪拌冷卻。 實施例3 以大陸白鴨為例，該白鴨貨源毛色呈現鵝黃色，並且有腥臭味。水 洗設備中，充入槽重100公斤種毛。加入少量清潔劑或濕潤劑與種毛 滿合，並且添加5 g/L亞硫酸鹽，再加入非離子性清潔劑^搜拌5分鐘 後，浸泡70分鐘》完成後，以冷水沖排3次》2 g/L 45%液鹼及〇.5 g/L 雙氧水安定劑一起加入，搜拌1分鐘。添加第一段20g/L50%過氧化氫，[s] 7 201221723 攪拌1分鐘後，浸泡30分鐘，第二段20 g/L 50%過氧化氫加入，擾拌 1分鐘後，浸泡30分鐘，第三段5 g/L 50%過氧化氫加入，攪拌1分鐘 後，浸泡30分鐘，完成後，以冷水沖排4次，最後以120°C乾熱風進 行乾燥;最後於常溫條件下，攪拌冷卻。 實施例4 以大陸白鴨為例，該白鴨貨源毛色呈現鵝黃色，並且有腥臭味。水 洗設備中，充入槽重100公斤種毛。加入少量清潔劑或濕潤劑與種毛 混合，並且添加3 g/L二氧化硫腺(Thiourea dioxide)，再加入非離子性 清潔劑。攪拌5分鐘後，浸泡70分鐘。完成後，以冷水沖排3次。2 g/L 45%液鹼及0.5 g/L雙氧水安定劑一起加入，攪拌1分鐘。添加第一段 2〇 g/L 5〇%過氧化氫’攪拌1分鐘後，浸泡30分鐘，第二段20 g/L 50% 過氧化氩加入，攪拌1分鐘後’浸泡30分鐘，完成後，以冷水沖排4 次，最後以120°C乾熱風進行乾燥;最後於常溫條件下，攪拌冷卻》 實施例5 以東歐白鵝為例’該白鴨毛色呈現暗白，但是整體較白鴨潔白。水 洗設備中’充入槽重50公斤種毛。加入少量清潔劑或濕潤劑與種毛混 合，並且添加0.4 g/L亞硫酸鹽混合非離子清潔劑。攪拌5分鐘後，浸 泡60分鐘。完成後，以冷水沖排4次。0.1 g/L 45%液鹼及0.2 g/L雙氧 水安定劑一起加入，攪拌1分鐘，添加第一段10 g/L 50%過氧化氫，授 拌1分鐘後，浸泡30分鐘’第二段6 g/L 50%過氧化氫加入，攪拌1 分鐘後’浸泡30分鐘。完成後’以冷水沖排4次，最後以120°C乾熱 風進行乾燥;最後於常溫條件下，攪拌冷卻。 實施例6 以東歐白鵝為例’該白鴨毛色呈現暗白，但是略偏黃色。水洗設 備中，充入槽重50公斤種毛。加入少量清潔劑或濕潤劑與種毛混合， 並且添加0.1 g/L二氧化硫脲混合非離子清潔劑《攪拌5分鐘後，浸泡 70分鐘。完成後’以冷水沖排4次。〇·ι g/L 45°/。液鹼及0.2 g/L雙氧水 201221723 安定劑一起加入，攪拌1分鐘，添加第一段10 g/L50%過氧化氩，攪拌 1分鐘後，浸泡30分鐘，第二段6 g/L 50%過氧化氩加入，攪拌1分鐘 後，浸泡30分鐘，完成後，以冷水沖排4次，最後以120°C乾熱風進 行乾燥;最後於常溫條件下，攪拌冷卻。= Oxidation _ Wei hydrogen (also _ hydrogen peroxide) used, the amount of addition is 5 gram per liter of the second liquid towel, ω minutes to 2 () sub-whitening reaction. In the washing and drying steps, the feathers and feather fields are cleaned with water and the feathers and down are carried out at a temperature of at least 1 〇〇 f. Hereinafter, the detailed description of the present invention will be described by way of examples. [Embodiment] In the present embodiment, both the first liquid and the second liquid used are clean water. The invention is in the water temperature thief money. Under C, the county Buddha f tree adds pure i to 3 grams of sulfur-containing compounds, and soaks the feathers or feathers for 45 minutes to 丨 hours. During the soaking process, the lining is continued, and the silk ship is enough to disperse _ evenly spread; , the financial temperature water rinses more than two 'silk unreacted _ sulfur compounds. After rinsing, haired and thief, immersed in 40 ° to 60 t of warm water. After the Na to completely dispersed evenly, add 1 gram to 2 gram of sodium hydroxide per liter ‘ adjust the acid value (4) 8.G to 1G frequency lake ^ 5 health until completely uniform. Add 1 gram per liter to 〇 5 grams of hydrogen peroxide stabilizer to give a sentence. Then add the concentration of 5 yuan per liter per person per liter of nitrogen peroxide, lion and soak for 12 minutes to 1 minute to carry out oxidation. After the wire, rinse and remove with a large amount of water, and dry it with hot air of 10 (rc or more. Finally, cool it to achieve natural mercerization. The following is a description of how to improve the county and Lai.) 201221723 In particular, it refers to the spirit of the invention, and the spirit of the present invention belongs to the scope of the present invention. Example 1 Taking Korean white duck as an example, the white duck coat color is dark. White. In the washing equipment, fill the tank with a weight of 1〇〇a. Add the amount of clear side or wet paste mixed with the seed hair, and add 3 ^ sulfite mixed miscellaneous. _ 5 points still, soak the age bell. Finish the ship, rushing 3 * with cold water. Each liter of 〇45 cents of sodium oxide and each liter of Q 5 gram of hydrogen peroxide stabilizer - from the Canadian 丨 age 丨 New Zealand. Add 2G of liter per liter of nitrogen peroxide, soak for 30 minutes after 1 minute of disturbance, 2 gram per liter of gram of gram per liter of hydrazine, add 5 minutes of peroxidation after 'mixing for 1 minute', and then soak for 3G minutes. It is rushed 4 times with cold water, and finally dried with 120 C dry hot air; finally, it is cooled under normal temperature conditions. Example 2 Taking Korean white duck as an example, the white duck coat color was dark. In the washing equipment, the tank is filled with 1 kg of hair. A small amount of detergent or humectant is added to the hair, and 15 g/L of thiourea dioxide is added to mix the nonionic detergent. After stirring for 5 minutes, soak for 60 minutes. When finished, rinse 3 times with cold water. Add 1 g/L 45% liquid caustic soda and 0.5 g/L hydrogen peroxide stabilizer together for 1 minute. Add the first 20 g / L 50% hydrogen peroxide, stir for 1 minute, soak for 30 minutes, add the second 10 g / L 50% hydrogen peroxide, stir for 1 minute, soak for 30 minutes, after completion, The cold water is flushed 4 times, and finally dried by 12 (TC dry hot air; finally, it is stirred and cooled under normal temperature conditions. Example 3 Take the continental white duck as an example, the white duck supply color is yellowish and has a stench. Washing In the equipment, fill the tank with a weight of 100 kg of hair. Add a small amount of detergent or humectant to the hair, and add 5 g / L of sulfite, then add non-ionic detergent ^ after mixing for 5 minutes, soak After the completion of 70 minutes, it is added 3 times with cold water, 2 g/L 45% liquid caustic soda and 〇5 g/L hydrogen peroxide stabilizer. Mix for 1 minute. Add the first stage 20g/L 50% hydrogen peroxide. , [s] 7 201221723 After stirring for 1 minute, soak for 30 minutes, add the second stage 20 g / L 50% hydrogen peroxide, stir for 1 minute, soak for 30 minutes, the third paragraph 5 g / L 50% peroxidation Add hydrogen, stir for 1 minute, soak for 30 minutes, after completion, rush four times with cold water, and finally dry with 120 ° C dry hot air; finally Under the condition of temperature, stirring and cooling. Example 4 Take the continental white duck as an example, the white duck has a yellow color and has a scent. In the washing equipment, the tank is filled with 100 kg of hair. Add a small amount of detergent or moist. The agent was mixed with the hairy hair, and 3 g/L of sulfur dioxide gland (Thiourea dioxide) was added, and then a nonionic detergent was added. After stirring for 5 minutes, it was immersed for 70 minutes. After completion, it was washed 3 times with cold water. 2 g/L Add 45% liquid caustic soda and 0.5 g/L hydrogen peroxide stabilizer together, stir for 1 minute. Add the first stage 2〇g/L 5〇% hydrogen peroxide. Stir for 1 minute, soak for 30 minutes, the second stage 20 g/ L 50% argon peroxide was added, after stirring for 1 minute, 'soaked for 30 minutes. After completion, it was washed 4 times with cold water, and finally dried with dry hot air at 120 ° C; finally, it was stirred and cooled under normal temperature conditions. Example 5 For example, the white goose in Eastern Europe is white, but it is whiter than the white duck. The washing equipment is filled with 50 kg of hair. It is mixed with a small amount of detergent or humectant and added with 0.4 g. /L sulfite mixed nonionic detergent. Stir for 5 minutes Soak for 60 minutes. After completion, rush 4 times with cold water. Add 0.1 g/L 45% liquid caustic soda and 0.2 g/L hydrogen peroxide stabilizer. Stir for 1 minute and add the first 10 g/L 50% peroxidation. Hydrogen, after mixing for 1 minute, soak for 30 minutes 'The second stage 6 g / L 50% hydrogen peroxide is added, after stirring for 1 minute, 'soak for 30 minutes. After finishing', it is washed 4 times with cold water, and finally at 120 ° C Dry hot air is dried; finally, it is stirred and cooled under normal temperature conditions. Example 6 Taking the white goose in Eastern Europe as an example, the white duck coat is dark, but slightly yellowish. In the washing equipment, the tank is filled with 50 kg of hair. Add a small amount of detergent or humectant to the hair, and add 0.1 g / L of thiourea mixed with non-ionic detergent. After stirring for 5 minutes, soak for 70 minutes. After completion, rush 4 times with cold water. 〇·ι g/L 45°/. Liquid alkali and 0.2 g / L hydrogen peroxide 201221723 stabilizer were added together, stirred for 1 minute, the first 10 g / L 50% argon peroxide was added, stirred for 1 minute, soaked for 30 minutes, the second segment 6 g / L 50% Argon oxide was added, stirred for 1 minute, and immersed for 30 minutes. After completion, it was washed 4 times with cold water, and finally dried at 120 ° C dry hot air; finally, it was stirred and cooled under normal temperature conditions.