Two-component composite filament and method of producing same专利检索-塑性收缩建筑材料专利检索查询-专利查询网

Two-component composite filament and method of producing same

阅读：588发布：2023-04-01

专利汇可以提供Two-component composite filament and method of producing same专利检索，专利查询，专利分析的服务。并且A two-component composite filament having an unbiased dyeability and a suppressed crimpability wherein three distinctly sectioned portions including respectively a part of the periphery of the unitary filament are disposed in a side-by-side relation and extends uniformly throughout the entire length of the filament, two portions among said three portions are separated by an adherent intervened portion therebetween, said separated two portions are composed of one thermoplastic synthetic linear polymer and said intervened portion is composed of another thermoplastic synthetic linear polymer which has different heat shrinkability from that of the former polymer.，下面是Two-component composite filament and method of producing same专利的具体信息内容。

权利要求

2. The unitary composite filament of claim 1, wherein the total length of the periphery in the cross-section occupied by the second component comprises about 50 percent of the total peripheral length of the filament.

3. The unitary composite filament of claim 1, wherein theta is between pi /3 radian and 8/9 pi radian.

4. The unitary composite filament of claim 1, wherein theta is between 4/9 pi radian and 7/9 pi radian.

5. The unitary composite filament of claim 1, wherein the cross-sectional area of each of said distinct portions is substantially equal.

6. The unitary composite filament of claim, wherein said thermoplastic synthetic linear polymer is a polyamide, polyester, polyetherester, polyolefin, polycarbonate, polyoxymethylene, polystyrene, polyvinyl chloride, polyvinylidene chloride, or a copolymer or mixture thereof.

7. The unitary composite filament of claim 1, wherein said thermoplastic synthetic linear polymer is a polyamide selected from the group consisting of nylon-6, nylon-7, nylon-9, nylon-11, nylon-12, nylon-66, nylon-610, polymetaxylylene adipamide, polyparaxylylene adipamide and copolyamides derived from at least two polyamide-forming substances selected from the group consisting of epsilon -caprolactam, nylon-66 salt, nylon-610 salt, nylon-12 salt, metaxylylene diammonium adipate, paraxylylene diammonium adipate, hexamethylene diammonium terephthalate and hexamethylene diammonium isophthalate.

8. A fibrous article comprising said unitary composite filament of claim 1.

9. A fibrous article comprising two filaments which are a. a first filament corresponding to said unitary composite filament of claim 1; and b. a second filament which is a conventional side-by-side two component composite filament.

10. A hosiery of improved appearance and shape for women''s wear which comprises a. welt, heel and toe portions knit with said unitary composite filament of claim 1; and b. a leg portion knit with a conventional side-by-side type two-component composite filament.

11. A knit fabric consisting essentially of said unitary composite filament of claim 1.

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