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 3 sets of hot press rollers at a post-process, where one set of the rollers consists of two rollers vertically arranged. Compared to the conventional products, the fiber sheet of the present invention has improved desurfacing property and bending strength, and good workability and interior property, as well as having improved texture, sound absorbing property and moisture resistance by regulating the size of surface pores.