Invention Grant
- Patent Title: Process for bonding the fibers of a non-woven textile fabric
- Patent Title (中): 用于粘合非织造织物纤维的方法
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Application No.: US3776799DApplication Date: 1972-05-02
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Publication No.: US3776799APublication Date: 1973-12-04
- Inventor: GRUBER E , KLENK L , HAMMER K
- Applicant: KALLE AG
- Assignee: Kalle Ag
- Current Assignee: Kalle Ag
- Priority: DE2122142 1971-05-05
- Main IPC: D04H1/4334
- IPC: D04H1/4334 ; D04H1/435 ; D04H1/488 ; D04H1/552 ; D04H1/645 ; D04H1/65 ; C09J5/00
Abstract:
A BONDED NON-WOVEN TEXTILE FABRIC IS MADE BY INCORPORATING IN THE FABRIC AN AQUEOUS THERMOSENSITIVE LIQUID CONTAINING AN ELASTIC POLYMER CAPABLE OF BINDING THE FIBERS OF THE FABRIC AND THE POLYMER IS DIFFERENTIALLY COAGULATED THROUGHOUT THE THICKNESS OF THE FABRIC BY APPLYING COAGULATING HEAT CONDITIONS TO ONE SURFACE AND NONCOAGULATING HEAT CONDITIONS TO THE OTHER SURFACE, THE COAGULATING HEAT CONDITIONS BEING INDUCED BY A HEAT-CARRYING LIQUID, AND UNCOAGULATED POLYMER BEING THEN REMOVED BY WASHING OUT.
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