Gum guayule (English spelling) gumguayule

Japanese: gum guayule(英語表記)gumguayule
Gum guayule (English spelling) gumguayule

…This raw rubber is used as a raw material, and when it is mixed with vulcanizing agents and fillers, kneaded, and then molded and vulcanized, the rubber products we use every day are obtained. Recently, guayule rubber has been attracting attention. It is extracted from guayule (Parthenium argentatum A. Gray), a shrub of the Asteraceae family that grows in dry areas with little rainfall, such as southern North America and Mexico. It has the same cis-1,4 bond polyisoprene structure as natural rubber obtained from the Para rubber tree, and its performance is almost the same. …

*Some of the terminology explanations that mention "gum guayule" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この生ゴムを原料として,これに加硫剤,充てん剤などを配合,混練りしたのち成形加硫すると,われわれが日常使用するゴム製品が得られる。 最近グアユールゴムgum guayuleが注目されている。これは北アメリカ南部,メキシコなど降雨量の少ない乾燥地帯に生えるキク科の灌木グアユールParthenium argentatum A.Grayから抽出されるもので,パラゴムノキから得られる天然ゴムと同じシス‐1,4結合ポリイソプレン構造をもち,性能的にもほとんどかわらない。…

※「gum guayule」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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