洗滌酒店布草是一件細心活，在正確使用洗滌化料的同時，其次就是洗滌工藝，布草水洗全過程應包括檢查分類、去漬處理、預洗、主洗、漂洗、投水、脫水、過酸中和、柔軟處理、上漿、烘干、熨平等工藝操作內容。然而，織物的用途不同，質料不同，臟污狀況不同，布草水洗主要工藝和操作內容也應有所區別。

Washing hotel linen is a meticulous task. While using washing chemicals correctly, the next step is the washing process. The entire process of linen washing should include inspection and classification, stain removal, pre washing, main washing, rinsing, water addition, dehydration, acid neutralization, softening treatment, sizing, drying, ironing, and other process operations. However, due to the different uses, materials, and dirt conditions of fabrics, the main process and operation content of fabric washing should also be different.

大部分賓館、飯店的客房部使用的布草以白色為主，所以對白度十分重視。如果只采用漂白，只能獲得一定的白度。但仔細觀察，你會發現還有淺黃色或褐色，這主要是織物本身對自然光線中的蘭色光有微量的吸收。因此要使織物的白色達到一個理想的狀態，可定期定量對布草實施增白。那么，白色布草怎么亮白如新呢？下面來介紹兩種方法。

Most hotels and hotel rooms use white linen as the main fabric, so whiteness is highly valued. If only bleaching is used, only a certain degree of whiteness can be obtained. But upon careful observation, you will find that there is also a light yellow or brown color, which is mainly due to the fabric's slight absorption of blue light in natural light. Therefore, to achieve an ideal white state of the fabric, regular and quantitative whitening of the fabric can be carried out. So, how can white linen shine as white as new? Here are two methods to introduce.

1加蘭增白

1 Galan Whitening

進行加蘭處理時，應根據不同織物選用不同染料，以求達到最佳效果。在學染整學中，有一個互補色，而恰怡黃色和蘭色是互補色。當這二種顏色混合時，可以給人以白的感覺，因為白色織物上帶有一定的黃色和褐色，加上一定量的蘭色，調補白色織物上的黃色，使之顯現白色。利用了色彩互補原理，利用一些蘭色或蘭紫色的分散染料，使其均勻吸附在白色織物上以去除織物上的黃色或褐色，這就是加蘭增白的原理。

When carrying out Galan treatment, different dyes should be selected according to different fabrics to achieve the best effect. In dyeing and finishing, there is a complementary color, and Chayi yellow and blue are complementary colors. When these two colors are mixed, they can give people a feeling of white, because the white fabric has a certain amount of yellow and brown, plus a certain amount of blue, to complement the yellow on the white fabric and make it appear white. By utilizing the principle of color complementarity, some dispersed blue or purple dyes are uniformly adsorbed on white fabrics to remove yellow or brown from the fabric. This is the principle of adding blue to enhance whiteness.

a分散蘭染料:可用于滌棉混紡，用量為005克/升，時間五分鐘溫度40℃。在進行增白前，應先將染料用水充分溶解，然后中水位使用。經過這樣處理后的白色織物外觀相對美觀。

Disperse blue dye: can be used for polyester cotton blending, with a dosage of 005 g/L and a time of five minutes at a temperature of 40 ℃. Before whitening, the dye should be fully dissolved in water and then used at medium water level. The white fabric treated in this way has a relatively beautiful appearance.

b.直接耐曬蘭:可用于纖維素纖維織物，一般建議用量0.006克-0.003克/升，時間五分鐘。

b. Direct sun resistant blue: can be used for cellulose fiber fabrics, with a recommended dosage of 0.006 grams to 0.003 grams per liter and a duration of five minutes.

2熒光劑增白

2. Fluorescent agent whitening

熒光增白是將不可見的紫外線轉變為藍色或紫色的可見光，增加了織物的白度與反射率，給人一種潔凈感覺。它是一種涂料，與纖維有較好的親和力，因此增白效果較好。直接性熒光境白劑（VBL）主要用于纖維素纖維，也可用于維綸、錦綸等白色織物的，以及其淺色或印花織物的增白，分散性熒光增白劑，主要用于取酯纖維的白色織物增白，酸性熒光增白劑主要用于羊毛、錦綸、醋酸纖維、腈綸、滌綸的白色織物增白。

Fluorescent whitening is the process of converting invisible ultraviolet rays into visible blue or purple light, increasing the whiteness and reflectivity of the fabric, giving a clean feeling. It is a coating that has a good affinity with fibers, therefore it has a better whitening effect. Direct fluorescent whitening agent (VBL) is mainly used for cellulose fibers, as well as for white fabrics such as vinylon and nylon, as well as for whitening light or printed fabrics. Dispersive fluorescent whitening agent is mainly used for whitening white fabrics made of ester fibers, while acidic fluorescent whitening agent is mainly used for whitening white fabrics made of wool, nylon, acetate fibers, acrylic, and polyester.

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