推荐回答（1个）
如果你的鞋已经穿过，并且已经发黄，那么在洗的时候洗干净还带水的时候在鞋上面包一张面巾纸，最好让面巾纸贴在湿鞋上面，这样晒干以后你就会神奇的发现，贴在鞋上的纸黄黄的，而鞋变的很洁白。
如果用了上面的方法，你觉得你的鞋还不够白，那就试试漂白水吧~鞋子先洗干净，然后把漂白水跟清水按说明书稀释，再把鞋子泡进去二十分钟左右拿出来，再用清水冲洗一遍，晒的时候再贴上纸巾晒。
如果你上面两样东西都没有，那好吧，你总刷牙吧？用你那美白型的牙膏好好的让你发黄的球鞋白回来吧。
小苏打，不管是发黄的球鞋还是衣服，统统秒杀，只要把一勺小苏打溶解在一小盆清水里，然后把要洗的鞋浸泡进去一会，再涂上肥皂洗，如果黄的很顽固，就用热水兑小苏打来泡鞋，保证鞋鞋白回来。
最后还有一样美白织物的佳品，那就是家家都有的淘米水，鞋子洗净以后在淘米水里浸泡一会再晒，鞋子也会白回来。
还有把草木灰敷在鞋子上，然后再洗，鞋子也会白回来，我觉得不靠谱，所以没试过，有兴趣的同学可以试试啊~估计就跟黑炭美白的原理一样的。
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【简介】：橡胶发泡底是用天然或人造橡胶制造的橡胶闭孔或开孔发泡材料制造的铺底面料。在半个世纪以前，人们将这种材料大量用于球鞋、运动鞋、旅游鞋、解放鞋、休闲鞋等。它具有弹性优良、抗撕裂性能好、耐老化、耐腐蚀、电绝缘等性能。
【材料成分】：天然胶 ：重量份，再生胶： 100， 磺 8，氧化锌 3，硬脂酸 17，促进剂M 2，促进剂D 4，黑油膏 或机油 30，明矾 细粉粒 6，发泡剂 H 8，碳酸氢钠 12，陶 土 25，碳酸钙 180，总计 1000 含胶率10%。
【制作说明】：采用价廉的碳酸氢钠作发泡剂它分解出二氧化碳气体。此种气体在橡胶中渗透性大只能制造出开孔的海绵。 难于制造孔眼小和气孔结构大小均匀的闭孔海绵胶，加入并用有机发泡剂，则可制成混合联孔结构、孔眼大小较均匀的海绵发泡剂H的分解温度较高但碳酸氢钠在130度以下就能逐渐分解产二氧化碳生气体使橡胶发泡发泡剂H在胶料中加入助发泡剂后可使其热分解温度大大降，加入硬脂酸、明矾等助发泡剂后不仅能降低发泡温，而且能使发泡剂充分逸出气体，减少发泡剂H的用量，降低成本 提高发泡质量明矾是带来结晶水的硫酸钾铝它是助80℃发泡剂，低温下明矾含结晶水以上的高温，结晶水逐渐析出 此种结晶水能促进或加速发泡剂的热分解。碳酸氢钠、明矾、发泡剂、等都应研成细小粉粒，用200目筛网过筛后方可加入混炼，否则它们将分散不均匀，这将导致胶料局部地区发泡不均匀，气孔结构不良。
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