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    • 4. 发明申请
    • COMPOSITION BASED UPON A POLYAMIDE THAT IS AMORPHOUS AND TRANSPARENT OR HAS VERY LOW CRYSTALLINITY, AND UPON A COPOLYAMIDE WITH ETHER AND AMIDE UNITS
    • 基于非晶态和透明或非常低的结晶性的聚酰胺,以及与醚和酰胺单体的共聚酰胺的组合物
    • WO2008006991A3
    • 2008-03-20
    • PCT/FR2007051394
    • 2007-06-08
    • ARKEMA FRANCEMONTANARI THIBAUTBLONDEL PHILIPPE
    • MONTANARI THIBAUTBLONDEL PHILIPPE
    • C08L77/06C08L77/00
    • C08L77/06C08L77/00C08L77/02C08L77/12C08L2203/02C08L2205/02C08L2666/20
    • Composition composed of a mixture of: - 60 to 99% by weight of a polymer component (A) formed from at least one of the homopolyamides or copolyamides a. that are transparent and amorphous or present crystallinity such that the enthalpy of fusion during the second heating of a DSC ISO (delta Hm(2)) is at most 30 J/g, the mass being related to the number of amide units contained or polyamide contained, this melting corresponding to that of the amide units; b. presenting a glass transition temperature (Tg) greater than 90 °C; and c. composed at least in part of cycloaliphatic and/or aromatic units, and/or alloys based on at least one previously cited homopolyamide or copolyamide, said alloys being amorphous or presenting crystallinity meeting the same definition as hereinabove; - 40 at 1% by weight of a polymer component (B) formed by at least one copolyamide based upon ether units and amide units; - the polymer components (A) + (B) representing 100% by weight; - where at least one among (A) and (B) may additionally contain at least on additive usual for thermoplastic polymers and copolymers, without the content of said additive(s) in each of the polymers components (A) and (B) representing more than 30% by weight of said polymer component.
    • 由以下混合物组成的组合物: - 由至少一种均聚酰胺或共聚酰胺a形成的聚合物组分(A)为60至99重量%。 这是透明和无定形或呈现结晶度,使得在DSC ISO(ΔHm(2))的第二次加热期间的熔化焓最多为30J / g,该质量与所含酰胺单元或聚酰胺的数量有关 这种熔融对应于酰胺单元; 湾 呈现大于90℃的玻璃化转变温度(Tg); 和c。 至少部分由脂环族和/或芳族单元组成的组合物,和/或基于至少一种先前引用的均聚酰胺或共聚酰胺的合金,所述合金是无定形的或呈现出与上述相同定义的结晶度; - 40%,基于醚单元和酰胺单元由至少一种共聚酰胺形成的聚合物组分(B)为1重量% - 代表100重量%的聚合物组分(A)+(B) (A)和(B)中的至少一个可以另外至少包含热塑性聚合物和共聚物通常的添加剂,而不包含每种聚合物组分(A)和(B)中的所述添加剂的含量,代表 大于30重量%的所述聚合物组分。
    • 5. 发明申请
    • BLENDS AND ALLOYS BASED ON AN AMORPHOUS TO SEMICRYSTALLINE COPOLYMER, COMPRISING AMIDE UNITS AND COMPRISING ETHER UNITS, WHEREIN THESE MATERIALS HAVE IMPROVED OPTICAL PROPERTIES
    • 基于非晶形式的半合成共聚物的混合和合金,包括酰胺单元和包含醚单元,由于这些材料具有改进的光学性质
    • WO2007144531A2
    • 2007-12-21
    • PCT/FR2007051406
    • 2007-06-11
    • ARKEMA FRANCEMONTANARI THIBAUTBLONDEL PHILIPPE
    • MONTANARI THIBAUTBLONDEL PHILIPPE
    • C08L77/00B29B9/00
    • C08L77/00C08L2205/02C08L2666/20
    • Transparent blend or alloy comprising, by weight, the total being 100%: (A) 1 to 99% of at least one copolymer constituent: which is amorphous or has a crystallinity ranging up to semi-crystallinity; and - which comprises: (A1) amide units, among which is at least one cycloaliphatic unit; (A2) flexible ether units; (B) 99 to 1% of at least one polymer constituent selected from: (Ba) semi-crystalline copolyamides comprising amide units (Ba1) and comprising ether units (Ba2), (Bb) semi-crystalline polyamides or copolyamides without ether units, (Bc) transparent polyamides or copolyamides, without ether units, which are amorphous or weakly crystalline, and alloys based on such polyamides or copolyamides; and (C) 0 to 50% by weight of at least one polyamide, copolyamide, copolyamide comprising ether units or alloy based on such polyamides or copolyamides other than those used in (A) and (B) above. The resulting blend or alloy has a high transparency such that the transmittance at 560 nm on a plate 2 mm thick is greater than 50%.
    • 包含总重量为100%的透明共混物或合金:(A)1至99%的至少一种共聚物组分:其是无定形的或具有高达半结晶度的结晶度; 和 - 其包含:(A1)酰胺单元,其中至少一个脂环族单元; (A2)柔性醚单元; (B)99至1%的至少一种聚合物成分,其选自:包含酰胺单元(Ba1)和包含醚单元(Ba2),(Bb)半结晶聚酰胺或无醚单元的共聚酰胺的(Ba)半结晶共聚酰胺, (Bc)透明聚酰胺或不含醚单元的共聚酰胺,它们是无定形或弱结晶的,以及基于这种聚酰胺或共聚酰胺的合金; 和(C)0至50重量%的至少一种聚酰胺,共聚酰胺,包含醚单元的共聚酰胺或基于除上述(A)和(B)中使用的那些之外的这种聚酰胺或共聚酰胺的合金。 所得到的共混物或合金具有高透明度,使得在2mm厚的板上560nm处的透射率大于50%。