公开(公告)号：US3433861A

公开(公告)日：1969-03-18

申请号：US3433861D

申请日：1966-01-12

申请人： CELANESE CORP

发明人： HAMILTON ROBERT L ,  QUYNN RICHARD G

IPC分类号： D01F6/66 ,  D02J1/22 ,  D06P3/00 ,  D06P7/00 ,  D01F1/06

CPC分类号： D06P7/005 ,  D01F1/06 ,  D01F6/66 ,  D02J1/221 ,  D06P3/004

公开(公告)号：US3558763A

公开(公告)日：1971-01-26

申请号：US3558763D

申请日：1965-06-16

申请人： CELANESE CORP

发明人： QUYNN RICHARD G ,  JAMISON SAUNDERS E ,  SOBERING SIMON E

IPC分类号： D01F6/60 ,  B29C25/00

CPC分类号： D01F6/72 ,  D01F6/60 ,  D01F6/605

摘要： A METHOD OF TREATING FILAMENTARY MATERIALS FORMED FROM DIFFICULTLY MELTABLE POLYMERS (AMIDE) AND PARTICULARLY TO THE STEP OF RELAXING THE SHAPED WET FORMED FILAMENT BY CONTACTING THE FILAMENT FOR A PERIOD OF TIME AND AT A TEMPERATURE SUFFICIENT TO IMPROVE THE DYE RECEPTIVITY OF THE FIBER WITH A STRONG INORGANIC ACID SHRINKING AGENT OF A SPECIFIED CONCENTRATION. MORE PARTICULARLY, AQUEOUS SOLUTIONS OF SULFURIC ACID, HYDROCHLORIC ACID AND PHOSPHORIC ACID ARE USED AS THE SHRINKING AGENT.

公开(公告)号：US3475771A

公开(公告)日：1969-11-04

申请号：US3475771D

申请日：1965-06-28

申请人： CELANESE CORP

发明人： QUYNN RICHARD G

IPC分类号： D06P1/651 ,  D06P1/653 ,  D06P3/24 ,  D06P3/26 ,  D06M3/30

CPC分类号： D06P1/65156 ,  D06P1/653 ,  D06P3/241 ,  D06P3/26 ,  Y10S8/924 ,  Y10S8/925