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    • 7. 发明申请
    • MULTILAYER TUBE FOR TRANSPORTING WATER OR GAS
    • 用于运输水或气的多层管
    • WO2008017790A3
    • 2009-07-16
    • PCT/FR2007051793
    • 2007-08-07
    • ARKEMA FRANCEBONNET ANTHONYLAPPRAND AUDESEBIRE PASCAL
    • BONNET ANTHONYLAPPRAND AUDESEBIRE PASCAL
    • B32B27/30B32B1/08B32B27/32C08L27/12F16L11/04F24D3/14
    • B32B27/30B32B1/08B32B27/32C08L27/12F24D3/146C08L2666/24
    • The invention relates to a multilayer tube comprising (in the order starting from the inside to the outside of the tube) layers arranged one on top of the other: an optional layer L1 comprising at least one fluorinated polymer, preferably a PVDF; a layer L2 comprising at least one functionalized PVDF, obtained by radiation grafting of at least one unsaturated polar monomer onto a PVDF; an optional layer L3 of an adhesive binder; a layer L4 comprising at least one polyolefin optionally mixed with at least one functionalized polyolefin; an optional barrier layer L5; an optional layer L6 comprising at least polyolefin, optionally in a mixture with at least one functionalized polyolefin; characterized in that the PVDF onto which the unsaturated polar monomer is grafted is a VDF copolymer whose weight content is at least 50%, preferably at least 75% and at least one monomer copolymerisable with the VDF, having the following characteristics: a crystallization temperature Tc (measured by DSC as per the ISO Standard 11357-3) ranging from 50 to 120°C, preferably from 85 to 110°C; a constraint to the y threshold ranging from 10 to 40 MPa, preferably from 10 to 30 MPa; a viscosity v in the molten state (measured with a capillary rheometer at 230°C at 100 s-1) ranging from 100 to 1,500 Pa s, preferably from 400 to 1200 Pa s.
    • 本发明涉及一种多层管,其包括一个彼此排列的(从管的内部到外部的顺序)层;包括至少一种氟化聚合物,优选PVDF的任选的层L1; 包含至少一种官能化PVDF的层L2,其通过将至少一种不饱和极性单体辐射接枝到PVDF上获得; 粘合剂粘合剂的可选层L3; 包含任选与至少一种官能化聚烯烃混合的至少一种聚烯烃的层L4; 可选的阻挡层L5; 任选的层L6至少包含聚烯烃,任选地与至少一种官能化聚烯烃的混合物; 其特征在于不饱和极性单体接枝的PVDF是重量含量至少为50%,优选至少75%的VDF共聚物和至少一种可与VDF共聚的单体,具有以下特征:结晶温度Tc (根据ISO标准11357-3通过DSC测量),范围为50至120℃,优选为85至110℃; 对y阈值的限制为10至40MPa,优选10至30MPa; 在100〜1500Pa·s,优选400〜1200Pa·s的熔融状态下的粘度v(用毛细管流变仪在230℃,100秒-1下测定)。
    • 9. 发明申请
    • MULTILAYER INSULATION STRUCTURE
    • 多层绝缘结构
    • WO2007006897A2
    • 2007-01-18
    • PCT/FR2006001571
    • 2006-07-04
    • ARKEMA FRANCEBONNET ANTHONYWERTH MICHAEL
    • BONNET ANTHONYWERTH MICHAEL
    • B32B27/16B32B27/08B32B27/304B32B27/306B32B27/32B32B2307/206B32B2323/04B32B2327/12B32B2333/12B32B2457/04G02B6/443H01B3/44
    • The invention relates in a first form to the use of an insulation structure for electric or optical cables, comprising an internal layer L 1 of: a) at least one polyolefin, b) or at least one functionalised polyolefin, c) or a mixture of the two, a layer L 2 of adhesive binder, a layer L 3 with at least one fluorinated polymer to which at least one unsaturated monomer has been grafted by radiation, optionally mixed with at least one fluorinated polymer, optionally a layer L 4 with at least one fluorinated polymer. In a second form the structure comprises an internal layer L' 1 of: a) at least one functionalised polyolefin Pl with chemical functions reacting with the grafted unsaturated monomer on the graft fluorinated polymer L' 2 , b) optionally at least one polyolefin, c) and/or optionally one other functionalised polyolefin P2, a layer L' 2 with at least one fluorinated polymer to which at least one unsaturated monomer has been grafted by radiation and optionally mixed with at least one fluorinated polymer, optionally a layer L' 3 comprising at least one fluorinated polymer. The invention further relates to the electric and/or optical cable itself.
    • 本发明以第一种形式涉及使用用于电缆或光缆的绝缘结构,其包括:a)至少一种聚烯烃,b)或至少一种官能化聚烯烃的内层L 1 ,c)或两者的混合物,粘合剂粘合剂的层L 2 2,具有至少一种不饱和单体的至少一种氟化聚合物的层L 3 3 通过辐射接枝,任选地与至少一种含氟聚合物任选混合,任选地与至少一种含氟聚合物一起混合层L 4。 在第二种形式中,结构包括:a)至少一种具有化学功能的接枝氟化聚合物L'2上的接枝不饱和单体的官能化聚烯烃P1的内层L' b)任选的至少一种聚烯烃,c)和/或任选的一种其它官能化聚烯烃P2,与至少一种氟化聚合物的层L'2,至少一种不饱和单体 已经通过辐射接枝并任选地与至少一种含氟聚合物任选混合,任选地包含至少一种含氟聚合物的层L'3 3。 本发明还涉及电缆和/或光缆本身。