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    • 54. 发明申请
    • Thermoplastic fluorinated polymers
    • 热塑性氟化聚合物
    • US20010023283A1
    • 2001-09-20
    • US09781218
    • 2001-02-13
    • Ausimont S.p.A.
    • Julio A. AbuslemeClaudia Manzoni
    • C08F014/24C08F014/04C08F014/26C08F014/18C08F014/02C08F214/02C08F214/04C08F214/18C08F214/24C08F214/26
    • C08L27/12C08L2205/02C08L2666/04
    • A composition comprising a polymer mixture A of polymers formed by: (a) from 10 to 70% by moles of ethylene (E), (b) from 30 to 90%, by moles of a fluorinated monomer selected from tetrafluoroethylene (TFE), chlorotrifluoroethylene (CTFE), or mixtures thereof, (c) from 0.1 to 30% by moles, with respect to the total amount of monomers (a) and (b), of one or more acrylic monomers; characterized in that the polymer mixture A comprises polymer fractions having a different content of the acrylic comonomer such that the elastic modulus at 23null C. (ASTM D1708) of said polymer mixture A is lower than at least 10% of the elastic modulus of a polymer formed by monomers a), b) and c) wherein the polymer fractions have substantially an equal content of the acrylic comonomer.
    • 一种组合物,其包含通过以下形成的聚合物混合物A:(a)10至70摩尔%的乙烯(E),(b)30至90摩尔的选自四氟乙烯(TFE), 氯三氟乙烯(CTFE)或其混合物,(c)相对于单体(a)和(b)的总量为0.1至30摩尔%的一种或多种丙烯酸类单体; 其特征在于,所述聚合物混合物A包含具有不同含量的丙烯酸共聚单体的聚合物级分,使得所述聚合物混合物A的23℃下的弹性模量(ASTM D1708)低于所述聚合物混合物A的弹性模量的至少10% 由单体a),b)和c)形成的聚合物,其中聚合物部分具有基本相等的丙烯酸共聚单体含量。