Her employers at DuPont had found huge success with nylon, the world's first synthetic fiber, and they wanted Kwolek to create something even stronger they could use to mass produce durable, lightweight tires.
It was stumbled upon accidentally in 1938 by a 27-year-old American chemist named Roy Plunkett, while he was trying to develop a non-toxic refrigerant fluid for DuPont, a chemicals company.
它于1938年被一位27岁的美国化学家偶然发现,他的名字叫做 Roy Plunkett,当时他正为邦公司开发一种无毒制冷剂,那是一家化学公司。
But outside of cars, Banks was no airhead. The first in her family to go to college, she was making six figures as a materials engineer at DuPont when a new calling beckoned.
And so he called in all the young people, DuPont and people like that and they tried this machine with a thicker yarn and that's how they came up with the jersey fabric.
I saw it firsthand last week when we got the update from DuPont, which is splitting into two companies, a fast-growing electronics business and a very steady industrials, healthcare and water business.
And when they told DuPont about this, and DuPont then tested the children of employees in their Teflon division, they found that of seven births, two had eye defects.
The bevy of retaliatory measures from Beijing includes restrictions on exports of rare earth minerals, controls on several American companies, and a probe into U.S. chemicals manufacturer DuPont.
Called Merrily We Roll Along and starring comedian Groucho Marx, the special was sponsored by DuPont, which at the time owned a 23% stake in General Motors.