Resin - Jushi (English spelling) resin

Japanese: 樹脂 - じゅし(英語表記)resin
Resin - Jushi (English spelling) resin

Originally, it was the name given to a natural product commonly known as rosin, but it has come to be used widely today. There are two types: natural resin and synthetic resin. The former is a metabolic product of plants (shellac is an insect secretion), and pine resin is secreted when pine bark is scratched. It is not a so-called polymer compound, but its main component is terpenes. On the other hand, synthetic resin is like the Japanese name for plastic, and this name was born because phenolic resin exhibited properties similar to pine resin (it is actually a completely different thing). Although it is a historical term, it is still used as a resin, for example alkyd resin.

[Hiroshi Kakiuchi]

[Reference item] | Natural resin | Plastic

Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

本来は俗に脂(やに)とよばれる天然物に与えられた名称であるが現在では広く用いられるようになった。天然樹脂と合成樹脂の2種類があり、前者は植物の代謝生成物(セラックのみは昆虫の分泌物)であり、マツの樹皮に傷をつけると松脂が分泌する。これはいわゆる高分子化合物ではなくテルペン類が主成分である。一方、合成樹脂はプラスチックの日本名のようなもので、フェノール樹脂が松脂のような性状を示したので(実はまったく違うものである)、このような名称が生まれてきた。歴史的なものであるが、たとえばアルキド樹脂のように、樹脂としていまでも使われている。

[垣内 弘]

[参照項目] | 天然樹脂 | プラスチック

出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例

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