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荧光增白剂在塑猜中的运用方法


网址:http://www.scvc8.com  时间:2018-11-16 11:52:53

荧光增白剂在塑猜中的运用方法
Application of fluorescent whitening agents in plastic guessing
一般来说荧光增白剂在塑猜中的运用方法有三种,分别为:干法增白、湿法增白和色母粒增白。接下来,小编就详细的为我们介绍下三种工艺的不同,以及试用的终端产品。
Generally speaking, there are three ways to use fluorescent whitening agents in plastic guessing: dry whitening, wet whitening and color masterbatch whitening. Next, Xiaobian will give us a detailed introduction of the three different processes, as well as the trial end products.
1.塑料干法增白就是将一定量的荧光增白剂干粉直接添加于成塑前的塑料基材中,先与塑料基材进行混合,待挤出机到达塑料镕融温度时,将混合料挤入螺杆熔融,以使荧光增白剂在熔体中均匀分布,比较终进行造粒或限制成型。干法增白剂首要用于硬质聚录乙烯、聚乙烯、聚丙烯、ABS以及其他热塑性树脂的注塑成型增白。用于干法增白剂的荧光增白剂价格相对廉价,但是有粉尘飞散性大、污染环境的缺陷。
1. Plastic dry whitening is to add a certain amount of fluorescent whitening agent dry powder directly to the plastic base material before plasticizing. It is first mixed with the plastic base material. When the extruder reaches the melting temperature of the plastic picks, the mixture is extruded into the screw to melt, so that the fluorescent whitening agent can be evenly distributed in the melt, and finally granulated or restricted. Dry whitening agent is mainly used in injection moulding whitening of rigid polyvinyl, polyethylene, polypropylene, ABS and other thermoplastic resins. Fluorescent whitening agent for dry whitening agent is relatively cheap, but it has the defects of large dust dispersion and environmental pollution.
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2.湿法增白为了改善涣散作用,有时还需要在荧光增白剂中参加一定量的粘合剂,使荧光增白剂较好地粘附于物料外表,以削减其粉尘飞扬和污染。也能够将荧光增白剂涣散在助剂溶液中,以助剂涣散体的方式分批参加,如用于软质聚录乙烯(PVC)中,可将其配成10%的邻苯二甲酸二辛酯增塑剂溶液后,再分批参加。在湿法增白中荧光增白剂呈纤细的涣散状浆料,因有非灰发性有机溶剂混入增塑剂中,所以有发黏的缺陷。这种方法首要用于软质聚录乙烯增白。
2. In order to improve the dispersion effect of wet whitening, it is sometimes necessary to add a certain amount of adhesives in the fluorescent whitening agent to make the fluorescent whitening agent adhere to the surface of the material better, so as to reduce its dust flying and pollution. Fluorescent whitening agents can also be dispersed in auxiliaries solution and participated in batches in the form of auxiliaries. For example, when used in soft polyethylene (PVC), they can be mixed into 10% dioctyl phthalate plasticizer solution, and then participated in batches. In wet whitening, the fluorescent whitening agent is a fine and loose slurry. Because non-gray organic solvents are mixed into the plasticizer, it has the defect of stickiness. This method is mainly used for soft vinyl polymerization and whitening.
3.现在塑料运用“色母粒”已成为塑料上色的中重要手法。在运用色母粒时,只要将色母粒和树脂按份额混合均匀,即可直接用来进行塑料制品的成型加工。少数的拌和只需用手,在加工量较大的状况下,为了保证色母粒的涣散性,能够运用机械拌和。色母粒与树脂塑料机械混合今后即可送到带预塑设备的注塑机,边预塑边上色。
3. now the use of plastic masterbatch has become an important method of plastic coloring. When using color masterbatch, as long as the color masterbatch and resin are mixed evenly according to their share, they can be directly used for plastic products forming. In order to ensure the dispersibility of color masterbatch, mechanical mixing can be used under the condition of large amount of processing. In the future, the color masterbatch mixed with resin plastic can be sent to the injection moulding machine with pre-moulding equipment, while pre-moulding and coloring.
荧光增白剂在塑猜中的运用方法,详细采纳哪种还需要终端客户依据本身状况来挑选。
The application method of fluorescent whitening agent in plastic guess, which one to adopt in detail also needs to be selected by the end-user according to their own situation.
综上所述有山东吉凌化工178彩票注册提供,想了解更多荧光增白剂厂家知识,欢迎关注我们的网址:http://www.wfzhongtebao.com谢谢支持!
In summary, all of the above-mentioned information provided by Shandong Jiling Chemical Co., Ltd. would like to know more about fluorescent whitening agent manufacturers. Welcome to our website: http://www.wfzhongtebao.com. Thank you for your support!

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