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影响挤塑板自身阻燃性的因素?
作者:admin 来源:本站 发布时间:2020-11-13 15:58:18 浏览次数:3

挤塑板的使用可以达到良好的保温的效果,从而有利于保证建筑物的保温以及建筑物的防冻的措施,在选择使用挤塑板时它良好的抗压性和强度以及它的阻燃性优势突出,受到大众广泛的欢迎,其中它的阻燃性对使用时产生的影响较大,接下来挤塑板厂家就为大家具体介绍一下。

The use of extruded board can achieve good thermal insulation effect, which is conducive to ensure the building's thermal insulation and antifreeze measures. When choosing to use extruded panel, its good compression resistance and strength as well as its flame retardant advantages are prominent, which is widely welcomed by the public, among which its flame retardant has a greater impact on the use. Next, the extruded panel manufacturers will be for you Let's introduce it in detail.

一、人为因素

1、 Human factors

挤塑板中阻燃剂的添加量很少,一般小于10%。混合是使阻燃剂均匀分布在材料中的关键部分。为了使每100克材料均匀地含有约5克阻燃剂,可以想象需要大量的人工混合或专用混合器来混合。大多数厂家直接将阻燃剂撒在材料表面,送到给料器。加料器虽然有自己的混合方式,但只能在短时间内形成小面积,难以混合均匀,造成区域性阻燃。

The amount of flame retardant is less than 10%. Mixing is the key part to make the flame retardant evenly distributed in the material. In order to contain about 5 grams of flame retardant per 100 grams of material, it is conceivable that a large number of manual mixing or special mixers are required to mix. Most manufacturers directly spread the flame retardant on the surface of the material and send it to the feeder. Although the feeder has its own mixing mode, it can only form a small area in a short time, so it is difficult to mix evenly, resulting in regional flame retardant.

二、生产工艺因素

2、 Production process factors

不同的设备制造商对设备的内部结构有不同的设计,导致材料在设备中的塑化、分散和停留时间不同。常规阻燃剂以六面体十二烷为主,分解温度低,与普通挤塑板的加工温度相矛盾。普通的高温足以使大部分阻燃剂分解失效,所以我们通常以熔体温度作为阻燃板的标准,而不是加热温度。

Different equipment manufacturers have different designs for the internal structure of the equipment, resulting in different plasticization, dispersion and residence time of materials in the equipment. The conventional flame retardant is mainly hexahedral dodecane with low decomposition temperature, which is in contradiction with the processing temperature of ordinary extruded board. Ordinary high temperature is enough to make most of the flame retardants decompose, so we usually take the melt temperature as the standard of flame retardant board, not the heating temperature.

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实际生产证明,厂家可根据设备条件,将较高的熔融温度调整在175-190度之间,生产出质量和阻燃性较好的挤塑板效果。这个加工温度与大多数设备厂家提供的工艺温度相反,主要是因为设备生产工艺是指新制造的聚苯乙烯颗粒的熔融温度。

The actual production shows that the manufacturer can adjust the higher melting temperature between 175-190 degrees according to the equipment conditions, and produce better quality and flame retardant extruded board effect. This processing temperature is contrary to the process temperature provided by most equipment manufacturers, mainly because the equipment production process refers to the melting temperature of newly manufactured polystyrene particles.

三、阻燃剂因素

3、 Flame retardant factors

挤塑板厂家提到阻燃剂按外观分为三种:粉状、粒状和母料。母料由阻燃剂、塑料载体、分散剂经挤出机加热制成,其中阻燃剂成分占40%-50%。母料分散性好,使用卫生,无灰尘。其缺点是使用成本高,阻燃剂一次加工不可避免的会损失一点。

Extrusion board manufacturers mentioned that flame retardants are divided into three types according to appearance: powder, granular and masterbatch. The masterbatch is made of flame retardant, plastic carrier and dispersant by extruder heating, in which the flame retardant composition accounts for 40% - 50%. The masterbatch has good dispersibility, hygienic use and no dust. Its disadvantage is the high cost of use, flame retardant processing will inevitably lose a little.

以上就是挤塑板厂家介绍影响挤塑板自身阻燃性的因素,在选择使用时,要确保挤塑板的质量过关,否则在后期的使用中容易产生一些问题,影响到挤塑板的保温性。

The above is the Extrusion board manufacturers introduced the factors that affect the fire resistance of the extruded board itself. When choosing to use, it is necessary to ensure the quality of the extruded board. Otherwise, some problems will easily occur in the later use, which will affect the thermal insulation of the extruded board.