[미국특허]
Optical fiber cable having improved properties
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
D02G-003/00
H01B-003/00
출원번호
US-0559595
(2000-04-28)
우선권정보
FR-0005764 (1999-05-06)
발명자
/ 주소
Prigent, Madeleine
Vanpoulle, Sophie
출원인 / 주소
Alcatel
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
3인용 특허 :
17
초록
A cable containing at least one optical fiber and at least one covering layer containing a material including an organic compound and an inorganic compound, wherein the inorganic compound has a layered structure and the organic compound is inserted between the layers of the inorganic compound.
대표청구항▼
1. A cable comprising at least one optical fiber and at least one covering layer comprising (a) an organic compound selected from the group consisting of polymers, monomers, and oligomers and (b) a composite material, wherein:said composite material is in the form of particles; said particles have a
1. A cable comprising at least one optical fiber and at least one covering layer comprising (a) an organic compound selected from the group consisting of polymers, monomers, and oligomers and (b) a composite material, wherein:said composite material is in the form of particles; said particles have a size of nanometer order and include an inorganic compound; said inorganic compound (i) is graphite or an inorganic oxide, (ii) has a layered structure, and (iii) has been treated to allow a partial amount of said organic compound to be inserted between the layers of said inorganic compound; and the partial amount of said organic compound is inserted between the layers of said inorganic compound. 2. A cable according to claim 1, in which said inorganic oxide is selected from the group consisting of a metal oxide of layered structure and a silicate of layered structure.3. A cable according to claim 2, in which said silicate of layered structure is selected from the group consisting of mica and clay.4. A cable according to claim 3, in which said clay is selected from the group consisting of talc, vermiculite, kaolinite, smectite, and mixtures thereof.5. A cable according to claim 4, in which said smectite is selected from the group consisting of montmorillonite, bentonite, beidellite, nontronite, saponite, hectorite, and mixtures thereof.6. A cable according to claim 5, in which said smectite is selected from the group consisting of montmorillonite and bentonite.7. A cable according to claim 1, in which said organic compound is a polymer selected from the group consisting of polyesters, polyethers, polyvinyl ethers, polyurethanes, polyurethane acrylates, maleates, fumarates, polythiols, polyenes, and copolymers and mixtures thereof.8. A cable according to claim 1, in which said organic compound is a polymer selected from the group consisting of polyolefins, polybutylene-terephtalates, vinyl polymers, elastomers, silicones, and copolymers and mixtures thereof.9. A cable according to claim 1, in which said organic compound is a polymer selected from the group consisting of epoxy resins, polyesters, polyamides, polyimides, polyetherimides, polyamidimides, polyurethanes, silicones, and mixtures thereof.10. A cable according to any one of claims 1, 2-6 and 7-9, comprising an optical fiber surrounded by a protective coating including at least one layer constituted essentially by said organic compound (a) and said composite material (b).11. A cable according to any one of claims 1, 2-6 and 7-9, including a plurality of optical fibers and an outer sheath including at least one layer constituted essentially by said organic compound (a) and said composite material (b).12. A cable according to any one of claims 1, 2-6 and 7-9, comprising a bundle of optical fibers and an insulating covering having at least one layer constituted essentially by said organic compound (a) and said composite material (b).13. A method of manufacturing the cable according to any one of claims 1, 2-6, and 7-9, comprising:treating said inorganic compound, which is in the form of particles having an initial size of micron order with an agent so as to ensure that said inorganic compound particles are compatible with said organic compound; and mixing said treated inorganic compound with said organic compound at a temperature higher than the softening temperature or melting temperature of said organic compound, thereby obtaining said organic compound (a) and said composite material (b), wherein said composite material (b) is in the form of said particles having a size of nanometer order and comprising said partial amount of said organic compound inserted between the layers of said inorganic compound. 14. A method according to claim 13, in which said inorganic compound is a clay and said compatibility agent is selected from the group consisting of quaternary ammonium salts, polyethylene oxides, and phosphorous-containing derivatives.
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