摘要:
This invention concerns a non-woven fabric obtained by interweaving fibers, and relates to non-woven fabrics in which the constituent fibers have three dimensional randomicity in view of the directionality, a production method and a production apparatus therefor, and a non-woven fabric suitable to cushion materials, filters and non-woven fabric structures using the same.
摘要:
The invention relates to a fibrous acoustical material for reducing noise transmission. This fibrous acoustical material comprises first, second and third fibers. The first fiber has a first fineness of 1.5-20 deniers and a first softening point. The second fiber has a second fineness of 1.5-15 deniers. At least a surface of the second fiber has a second softening point which is at least 30° C. lower than the first softening point. The third fiber has a third fineness of 1.5-15 deniers. At least a surface of the third fiber has a third softening point which is lower than the second softening point and at least 80° C. lower than the first softening point. The first, second and third fibers are respectively in amounts of 10-90 wt %, 5-85 wt % and 5-85 wt %, based on a total weight of the first, second and third fibers. The first, second and third fibers are each within a range of from 20 to 100 mm in average fiber length. The fibrous acoustical material has an average apparent density of from 0.01 to 0.8 g/cm3. The fibrous acoustical material is light in weight and superior in acoustical capability, heat resistance and resistance to compressive force.
摘要:
The invention relates to a fibrous acoustical material for reducing noise transmission. This fibrous acoustical material comprises first, second and third fibers. The first fiber has a first fineness of 1.5-20 deniers and a first softening point. The second fiber has a second fineness of 1.5-15 deniers. At least a surface of the second fiber has a second softening point which is at least 30.degree. C. lower than the first softening point. The third fiber has a third fineness of 1.5-15 deniers. At least a surface of the third fiber has a third softening point which is lower than the second softening point and at least 80.degree. C. lower than the first softening point. The first, second and third fibers are respectively in amounts of 10-90 wt %, 5-85 wt % and 5-85 wt %, based on a total weight of the first, second and third fibers. The first, second and third fibers are each within a range of from 20 to 100 mm in average fiber length. The fibrous acoustical material has an average apparent density of from 0.01 to 0.8 g/cm.sup.3. The fibrous acoustical material is light in weight and superior in acoustical capability, heat resistance and resistance to compressive force.
摘要:
This ultra-bulky fiber aggregate is obtained by blending (A) a polyester fiber and (B) a core-sheath type composite fiber wherein a low melting point component lower in melting point than the core is used for the sheath. The interlacing portions of three-dimensionally continuous fibers are fused by melting of the sheath portions of the core-sheath type composite fiber. The fiber aggregate has a thickness of at least 200 mm and a density of 0.02 to 0.1 g/cm.sup.3, and varies in density within .+-.5% in all of the longitudinal and transverse directions and the direction of height. The fiber aggregate can be used as a shoulder pad and a cushion material when it is cut. The production method of this fiber aggregate comprises blending (A) a polyester fiber and (B) a core-sheath type composite fiber using a low melting point component lower in melting point than the core for the sheath to obtain a card web, temporarily fusing card webs by far infrared rays or a hot air heater to laminate webs as required by a predetermined density and a predetermined thickness, and heat-treating the resulting laminate so as to mutually fuse the layers forming the laminate, wherein the heat-treatment is carried out by placing the laminate into a steam oven while it is compressed and clamped between two upper and lower plates and introducing the steam, the laminate being subjected to the heat-treatment while kept erect.
摘要:
A carpet material for a floor carpet to be used in a passenger compartment of an automotive vehicle. The carpet material comprises a pile layer formed of nonwoven fabric and serving as a skin. A base fabric layer is provided for supporting the pile layer and is formed of nonwoven fabric and integral with the pile layer. A backing layer is located at the opposite side of the base fabric with respect to the pile layer. The backing layer is formed of nonwoven fabric and integral with the base fabric layer. The nonwoven fabric forming the backing layer has a surface density ranging from 100 to 1000 g/m2 and is formed of polyester-based fiber having a diameter ranging from 20 to 130 &mgr;m.
摘要翻译:用于在机动车辆的乘客室中使用的地板地毯的地毯材料。 地毯材料包括由非织造织物形成并用作皮肤的绒头层。 提供基布层用于支撑绒毛层,并由非织造织物形成并与桩层成一体。 背衬层相对于绒毛层位于基底织物的相对侧。 背衬层由非织造织物形成并与基底织物层成一体。 形成背衬层的无纺布的表面密度为100〜1000g / m 2,由直径为20〜130μm的聚酯类纤维形成。