Fiber sheet with heat-treated surface layer

• Main Authors: JUNG SANG-MIN, HWANG SUNG-SU, SHIM SUNG-YOUNG, JEONG MYONG-GUK, LEE JUN
• Format: Patent
• Language: English
• Published: 15.04.2004
• Edition: 7
• Subjects: ACOUSTICS; ACOUSTICS NOT OTHERWISE PROVIDED FOR; BRAIDING; BUILDING; CEILINGS; COTTON-WOOL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS,NON-WOVEN FABRICS; FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS; FIXED CONSTRUCTIONS; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; KNITTING; LACE-MAKING; LAUNDERING; MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARYMATERIAL; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; MUSICAL INSTRUMENTS; NON-WOVEN FABRICS; PHYSICS; ROOFS; SOUND-PRODUCING DEVICES; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE; TRIMMINGS; WADDING; WALLS, e.g. PARTITIONS

Disclosed is a fiber sheet having a heat-treated surface layer, comprising a polyester fiber applicable as heat insulating and sound absorbing materials. The fiber sheet is prepared by forming a surface layer at a particular level by continuously heat-treating a surface of the fiber sheet using 1 to...