<p>Yarns of copoly(p-phenylene terephthalamide/2,6-naphthalamide) are disclosed which exhibit toughness and tenacity greater than the toughness and tenacity of yarns of poly(p-phenylene terephthalamide) having the same dimensions and made by the same process.</p>
申请公布号
DE3788259(D1)
申请公布日期
1994.01.05
申请号
DE19873788259
申请日期
1987.09.15
申请人
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US
