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    • 3. 发明申请
    • EXTRUSION AGENT BASED ON A HETEROGENEOUS PVDF
    • 基于异质PVDF的挤出剂
    • WO2007080338A3
    • 2007-08-23
    • PCT/FR2007050612
    • 2007-01-05
    • ARKEMA FRANCEBONNET ANTHONYLAFFARGUE JOHANNBEAUME FRANCOIS
    • BONNET ANTHONYLAFFARGUE JOHANNBEAUME FRANCOIS
    • C08L23/00C08K5/00C08L27/16
    • C08L27/16C08K5/0008C08K5/06C08K5/10C08K5/32C08L23/00C08L23/0815C08L71/02C08L2205/06C08L2666/02C08L2666/04C08L2666/14
    • The invention relates to an extrusion agent comprising: at least one heterogeneous PVDF (A), in other words a copolymer of VDF and at least one comonomer of VDF, comprising by weight at least 50%, advantageously at least 75%, of VDF which has a melting point Tm (expressed in °C) > 172-549 m, preferably > 1.1 × (172-549 m), where m denotes the overall molar percentage of comonomer(s); and at least one interface agent (B), which are optionally diluted in a polyolefin (C). The heterogeneous PVDF preferably has a Tm of between 160 and 172°C. Advantageously it is also a VDF-HFP copolymer containing, by weight, from 88% to 92% of VDF and from 8% to 12% of HFP. The extrusion agent is used to reduce or eliminate the surface defects which arise during the extrusion of a thermoplastic resin (D). This resin may be a polyolefin, a styrenic resin, a polyester or a PVC. Optionally it may also be filled, i.e., may contain dispersed organic or inorganic particles.
    • 本发明涉及一种挤出剂,其包括:至少一种非均相PVDF(A),换言之,VDF和至少一种VDF共聚单体的共聚物,包含至少50%,有利地至少75%的VDF, 熔点Tm(以℃表示)>172-549μm,优选> 1.1×(172-549μm),其中m表示共聚单体的总摩尔百分数。 和至少一种界面剂(B),其任选地在聚烯烃(C)中稀释。 非均相PVDF优选具有160至172℃的Tm。 有利地,它也是含有重量百分比为88%至92%的VDF和8%至12%的HFP的VDF-HFP共聚物。 挤出剂用于减少或消除在挤出热塑性树脂(D)期间出现的表面缺陷。 该树脂可以是聚烯烃,苯乙烯树脂,聚酯或PVC。 任选地,它也可以被填充,即可以含有分散的有机或无机颗粒。
    • 5. 发明申请
    • THERMOSET MATERIALS WITH IMPROVED IMPACT RESISTANCE
    • 具有改善抗冲击性的热敏材料
    • WO2006077153A3
    • 2006-11-02
    • PCT/EP2006000564
    • 2006-01-18
    • ARKEMA FRANCEGUERRET OLIVIERGERARD PIERREPASCAULT JEAN-PIERREBONNET ANTHONY
    • GUERRET OLIVIERGERARD PIERREPASCAULT JEAN-PIERREBONNET ANTHONY
    • C08L53/00C08L33/00C08L63/00C08L69/00C08L101/00
    • C08L53/00C08L101/00C08L2666/14C08L2666/02C08L2666/04
    • The present invention relates to a thermoset material with improved impact resistance comprising, by weight: 99 to 20% of a thermoset resin, 1 to 80% of an impact modifier comprising at least one copolymer chosen from copolymers comprising A-B-C and A-B blocks, in which: each block is connected to the other by means of a covalent bond or of an intermediate molecule connected to one of the blocks via a covalent bond and to the other block via another covalent bond, A is a copolymer of methyl methacrylate and of at least one water-soluble monomer, C is either (i) a PMMA (homopolymer or copolymer) this PMMA comprising optionally a water-soluble monomer or (ii) a polymer based on vinyl monomers or mixture of vinyl monomers, B is incompatible or partially compatible with the thermoset resin and incompatible with the A block and the optional C block and its glass transition temperature Tg is less than the operating temperature of the thermoset material. The invention also relates to the use of these impact modifiers in thermo- sets.
    • 本发明涉及具有改进的抗冲击性的热固性材料,其包含按重量计:99-20%的热固性树脂,1至80%的抗冲改性剂,其包含至少一种选自包含ABC和AB嵌段的共聚物的共聚物,其中 :每个嵌段通过共价键或通过共价键连接到其中一个嵌段的中间分子连接,另一个通过另一个共价键连接到另一个嵌段,A是甲基丙烯酸甲酯和至少 一种水溶性单体,C是(i)PMMA(均聚物或共聚物),该PMMA包含任选的水溶性单体或(ii)基于乙烯基单体或乙烯基单体混合物的聚合物,B是不相容或部分相容的 与热固性树脂并且与A块和任选的C嵌段不相容,并且其玻璃化转变温度Tg小于热固性材料的操作温度。 本发明还涉及这些抗冲改性剂在热敏电阻中的应用。
    • 6. 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)。
    • 8. 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。