Credits: 3 (3-0-0)
Prerequisites: TXL232 and EC 75
Description
Definitions of nonwoven and their scopes and limitations. Staple fibre preparation processes. Staple fibre web formation processes: carding, air-laying, and wet-laying. Staple fibre web stacking processes: parallel-laying, cross-laying, and perpendicular-laying, Mechanical bonding processes: needle-punching and hydroentanglement. Thermal bonding processes: calendar, through-air, impingement, infra-red, and ultrasonic bonding. Chemical bonding process. Spunmelt processes: spunbonding and meltblowing, Medical nonwovens, Hygiene nonwovens, Nonwoven wipes, Nonwoven filters, Geononwovens, Automotive nonwovens, Case studies.
Prerequisite Tree
flowchart TD
TXL734-799[TXL734]
TXL734-799 --> EC75-799[EC75]
TXL232-799 --- Or800[Any one of]:::empty
TXL231-801 --- Or802[Any one of]:::empty
Or802 -.-> TXL111-803[TXL111]
Or802 -.-> TXL130-804[TXL130]
Or800 -.-> TXL231-801[TXL231]
TXP231-805 --- Or806[Any one of]:::empty
Or806 -.-> TXL111-807[TXL111]
Or806 -.-> TXL130-808[TXL130]
Or800 -.-> TXP231-805[TXP231]
TXL734-799 --> TXL232-799[TXL232]
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classDef trueEmpty height:0px, width:0px;