The synthesis, constitution, and uses of bakelite
The synthesis, constitution, and uses of bakelite
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DOI：
10.1021/ie50003a004
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发表时间：
1909-03-01
影响因子：
--
通讯作者：
Baekeland, LH
中科院分区：
文献类型：
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作者：
Baekeland, LH
工业与工程化学杂志。作用并不那么简单，这一事实表明，根据操作条件或反应物质的改变量，可以得到非常不同的结果；因此，化学和物理性质非常不同的物体可能由相同的原料产生。这些所谓的冷凝产物有些可溶于水，有些是结晶的，还有一些是无定形的，像树脂一样。然后，在后一种树脂产品中，有些产品易熔，可溶于酒精或类似溶剂，而另一些产品在所有solveñts中都完全不溶，不溶。本文将讨论后一类的产物。我的主题的复杂性迫使我做一个简短的历史概述，这将使我们对我的工作范围形成一个更清晰的概念，并将其与以前或当代在类似主题上的尝试区分开来。早在1872年，Ad。拜耳和其他公司。这些研究人员获得的物质仅具有理论价值，并没有试图将其用于商业用途；此外，他们的制备方法太昂贵，太不确定，他们的一些树脂产品的性质太不确定，无法表明将它们用于技术目的的可能性。
150 THE JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY. Mar., 1909 action is not so very simple is shown by the fact, that according to conditions of operating or to modified quantities of reacting materials, very different results may be obtained; so that bodies very unlike in chemical and physical properties may be produced by starting from the same raw materials. Some of these so-called condensation products are soluble in water, other ones are crystalline, while some others are amorphous and resin-like. Then again, among the latter resinous prod-ucts some are easily fusible and soluble in alcohol or similar solvents while other ones are totally insoluble in all solveñts and infusible. This paper will deal with a product of the latter class. The complexity of my subject compels me to make a brief historical outline which will allow us to form a clearer idea of the scope of my work and differentiate it from prior or contemporary at-tempts in subjects somewhat similar. That phenols and aldehydes react upon each other was shown as far back as 1872 by Ad. Bayer and others. 1The substances obtained by these investigators were merely of theoretical interests and no attempt was made to utilize them commercially; further-more their method of preparation was too ex-pensive and too uncertain andthe properties of some of their resinous products were too undecided to suggest the possibility of utilizing them for technical purposes..