NEUTRALIZED COPOLYMER CRUMB AND PROCESSES FOR MAKING SAME
摘要
The invention concerns copolymer crumb derived from the copolymerization of para-phenylenediamine, 5(6)-amino-2-(p-aminophenyl)benzimidazole, and terephthaloyl dichloride having an inherent viscosity of at least 3 dl/g having less than 0.4 mol/Kg of titrate-able acid. In addition, the invention concerns filaments and yarn formed from such polymer crumb and processes for forming the filaments and yarn.
申请公布号
WO2012097236(A1)
申请公布日期
2012.07.19
申请号
WO2012US21220
申请日期
2012.01.13
申请人
E. I. DU PONT DE NEMOURS AND COMPANY;LEE, KIU-SEUNG;MALLON, FREDERICK, K.;NEWTON, CHRISTOPHER, WILLIAM
发明人
LEE, KIU-SEUNG;MALLON, FREDERICK, K.;NEWTON, CHRISTOPHER, WILLIAM