求翻译：1938年，美国杜邦公司首先研究出PTFE，拉开了氟聚合物研究的序幕。1946年，PTFE开始市场化，不过当时的氟碳涂料需要在高温下进行固化，不能满足大型户外构件的应用要求。是什么意思？

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In 1938, US Du Pont Company first studied PTFE, has begun the fluorine polymer research prologue.In 1946, PTFE started the marketability, but the fluorine carbon coating then needed to carry on the solidification under the high temperature, could not satisfy the large-scale outdoors component the ap

In 1938, the United States first of all, DuPont developed PTFE, opened the prelude of fluoro-polymer research. In 1946, PTFE began market-oriented, but there was need to set out amid high temperature curing of fluorocarbon coatings, not for large outdoor component of application requirements.

In 1938, the United States first of all, DuPont developed PTFE, opened the prelude of fluoro-polymer research. In 1946, PTFE began market-oriented, but there was need to set out amid high temperature curing of fluorocarbon coatings, not for large outdoor component of application requirements.