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    • 2. 发明申请
    • TRANSPARENT POLYCARBONATE-POLYESTER BLENDS WITH IMPROVED PERFORMANCE UNDER CAUSTIC AQUEOUS ENVIRONMENTS
    • 透明聚碳酸酯 - 聚酯纤维,具有改善性能的原始环境环境
    • US20080000917A1
    • 2008-01-03
    • US11612937
    • 2006-12-19
    • Parminder AgarwalRodney W. Fonseca
    • Parminder AgarwalRodney W. Fonseca
    • C08G59/00A47G19/12
    • C08L69/005C08K5/52C08L67/02C08L69/00C08L2666/18
    • A composition comprising a clear thermoplastic blend comprising: (a) a polycarbonate component; and (b) a polyester component comprising (i) a polyester based substantially on 1,4 cyclohexane dimethanol and terephthalic acid monomer units, (ii) copolymers polyester based substantially on 1,4 cyclohexane dimethanol and terephthalic acid monomer units and modified with up to 25 mol % of copolymerizable acid and/or diol monomers, and (iii) combinations thereof. The polycarbonate component and the polyester component are present in sufficient proportions to form a molding composition capable of being molded into an article that exhibits transparency and structural integrity after the article is exposed to a caustic aqueous environment for at least 70 hours. The invention also relates to articles made from the composition, methods for making the compositions, and methods for using articles.
    • 一种包含透明热塑性共混物的组合物,其包含:(a)聚碳酸酯组分; 和(b)聚酯组分,其包含(i)基于1,4-环己烷二甲醇和对苯二甲酸单体单元的聚酯,(ii)基于1,4-环己烷二甲醇和对苯二甲酸单体单元的基于聚酯的共聚物, 25摩尔%的可共聚的酸和/或二醇单体,和(iii)它们的组合。 聚碳酸酯组分和聚酯组分以足够的比例存在以形成能够模制成在制品暴露于苛性碱水溶液环境中至少70小时后具有透明性和结构完整性的制品的模塑组合物。 本发明还涉及由组合物制备的制品,制备组合物的方法和使用制品的方法。
    • 3. 发明授权
    • Transparent polycarbonate-polyester blends with improved performance under caustic aqueous environments
    • 透明聚碳酸酯 - 聚酯混合物,在苛性碱性环境下具有改进的性能
    • US08114929B2
    • 2012-02-14
    • US11612937
    • 2006-12-19
    • Parminder AgarwalRodney W. Fonseca
    • Parminder AgarwalRodney W. Fonseca
    • C08L69/00C08L67/02
    • C08L69/005C08K5/52C08L67/02C08L69/00C08L2666/18
    • A composition comprising a clear thermoplastic blend comprising: (a) a polycarbonate component; and (b) a polyester component comprising (i) a polyester based substantially on 1,4 cyclohexane dimethanol and terephthalic acid monomer units, (ii) copolymers polyester based substantially on 1,4 cyclohexane dimethanol and terephthalic acid monomer units and modified with up to 25 mol % of copolymerizable acid and/or diol monomers, and (iii) combinations thereof. The polycarbonate component and the polyester component are present in sufficient proportions to form a molding composition capable of being molded into an article that exhibits transparency and structural integrity after the article is exposed to a caustic aqueous environment for at least 70 hours. The invention also relates to articles made from the composition, methods for making the compositions, and methods for using articles.
    • 一种包含透明热塑性共混物的组合物,其包含:(a)聚碳酸酯组分; 和(b)聚酯组分,其包含(i)基于1,4-环己烷二甲醇和对苯二甲酸单体单元的聚酯,(ii)基于1,4-环己烷二甲醇和对苯二甲酸单体单元的基于聚酯的共聚物, 25摩尔%的可共聚的酸和/或二醇单体,和(iii)它们的组合。 聚碳酸酯组分和聚酯组分以足够的比例存在以形成能够模制成在制品暴露于苛性碱水溶液环境中至少70小时后具有透明性和结构完整性的制品的模塑组合物。 本发明还涉及由组合物制备的制品,制备组合物的方法和使用制品的方法。