This brief outlines the most recent advances in the production of polyols and polyurethanes from renewable resources, mainly vegetable oils, lignocellulosic biomass, starch, and protein. The typical processes for the production of polyols from each of the above mentioned feedstocks are introduced and the properties of the resultant polyols and polyurethanes are also discussed.
This brief outlines the most recent advances in the production of polyols and polyurethanes from renewable resources, mainly vegetable oils, lignocellulosic biomass, starch, and protein. The typical processes for the production of polyols from each of the above mentioned feedstocks are introduced and the properties of the resultant polyols and polyurethanes are also discussed.
In 1982, 20,000 Chinese-American garment workers—most of them women—went on strike in New York City. Every Chinese garment industry employer in the city soon signed a union contract. The successful action reflected the ways women's changing positions within their families and within the workplace galvanized them to stand up for themselves. Xiaolan Bao's now-classic study penetrates to the heart of Chinese American society to explain how this militancy and organized protest, seemingly so at odds with traditional Chinese female behavior, came about. Drawing on more than one hundred interviews, Bao blends the poignant personal stories of Chinese immigrant workers with the interwoven history of the garment industry and the city's Chinese community. Bao shows how the high rate of married women employed outside the home profoundly transformed family culture and with it the image and empowerment of Chinese American women. At the same time, she offers a complex and subtle discussion of the interplay of ethnic and class factors within New York's garment industry. Passionately told and prodigiously documented, Holding Up More Than Half the Sky examines the journey of a community's women through an era of change in the home, on the shop floor, and walking the picket line.
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