我們都知道，油畫是用快干性的植物油調和顏料，在亞麻布、紙板或木板上進行制作的一個畫種，收購名人字畫作畫時使用的稀釋劑為揮發性的松節油和干性的亞麻仁油等。畫面所附著的顏料有較強的硬度，當畫面干燥后，能長期保持光澤。但是在收藏保存時也需注意以下幾點：
We all know that the painting is fast dry vegetable oil paint, making a kind of painting on the linen cloth, cardboard or wood, the use of the acquisition of celebrity calligraphy and painting when painting as the diluent of volatile oil of turpentine and dry linseed oil. The pigment attached to the screen has a strong hardness, and can keep luster for a long time when the screen is dry. However, we should pay attention to the following points in the collection and preservation:


1、定期清潔：油畫的清潔做法其實很簡單，準備個軟毛刷或是羊毛筆，固定一個順勢輕輕刷除表面附著的灰塵即可。油畫作品背后的框架下緣內側，是比較容易被忽略的但卻是重要的，灰塵的囤積會吸收濕氣，接著濕氣會被畫布纖維吸收，久了背面便會產生水漬甚是一道水紋，如果嚴重了會引起作品正面的顏料層變色、脫膠、起甲以及剝落等狀況，所以定時取下作品清潔背后的灰塵是必要的。
1, regular cleaning: oil painting cleaning practice is actually very simple, prepare a soft brush or a wool pen, fixed a homeopathic brush gently, except the surface of the dust can be attached. Frame behind the lower edge of the paintings inside, is easily overlooked but it is the most important, the dust absorbs moisture and moisture accumulation, will be the canvas fiber absorption, long back will produce water or a water, if serious works will cause positive discoloration, degumming, pigment layer from a condition of dust and peeling, so take the timing behind clean works is necessary.
2、選擇適當位置：作品懸掛的地方應該要避開浴室、廚房，盡量不要靠近水分較多或濕氣較重的地方，尤其懸掛的墻面也要仔細考慮，墻面里不要有水管埋藏。
2, select the appropriate location: the work place should avoid hanging bathroom, kitchen, try not to close more water or moisture heavier, especially hanging wall has to be carefully considered, not buried pipe wall.
3、避免陽光直射：陽光的紫外線其實是無形的殺手，尤其對某些特定的顏料，例如鋅白、檸檬黃等，這類顏料在紫外線的強照下會嚴重褪色甚消失。而紫外線對畫面也會產生其他影響，嚴重的甚會造成顏色粉化。
3, avoid direct sunlight, the sun's ultraviolet rays are invisible killer, especially for certain pigments, such as white, lemon yellow, will seriously fade or even disappear this kind of pigment in the ultraviolet irradiation intensity. Ultraviolet light also has other effects on the screen, which can even cause color to be pulverized.
4、保持通風：油畫怕的就是潮濕，潮濕所衍生的問題很多，當濕氣積累于基底材的畫布纖維中會導致畫布膨脹，而干燥時又會使畫布收縮，如此長時間的一脹一縮便會造成附著于畫布上的顏料層起甲、剝離、脫落以及龜裂、變色等，而濕氣若積久不散便容易長霉。盡量不要加裝玻璃或亞克力，不但不易散發濕氣也容易助于霉菌生長。
4, maintain ventilation: oil painting is the most humid and humid, derived a lot of problems, when the moisture accumulation in the basal material of canvas fiber will lead to canvas expansion, when it is dry and will make such an expansion and contraction of the canvas, a long time will cause shrinkage of pigment layer on the canvas of a play and debonding and cracking, discoloration, and moisture or not if it is easy to mildew powder. Try not to add glass or acrylic, not only not easy to emit moisture, but also easy to mold growth.
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