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    • 1. 发明授权
    • Process for producing an aromatic polyester copolymer
    • 芳香族聚酯共聚物的制造方法
    • US4362858A
    • 1982-12-07
    • US327038
    • 1981-12-03
    • Senzo ShimizuIsao NomuraMotohachi UsuiMashahiro Harada
    • Senzo ShimizuIsao NomuraMotohachi UsuiMashahiro Harada
    • C08G63/00C08G63/19C08G63/40
    • C08G63/40C08G63/19
    • A process for producing an aromatic polyester copolymer wherein the alternating configuration of the components making up the copolymer is highly regular, said process comprising a first step of reacting a dihydric phenolic compound with an aromatic dicarboxylic acid dichloride A in a reaction medium consisting of water and a water-immiscible solvent in the presence of a basic inorganic compound to give a phenolic hydroxyl-terminated aromatic oligoester containing predominantly an oligomer having a degree of polymerization of 1-2, and a second step of reacting the aromatic dihydroxy oligoester obtained in the first step with an aromatic dicarboxylic acid dichloride B in the presence of a basic inorganic compound in an amount at least sufficient to neutralize the free phenolic hydroxyl groups remaining in the reaction product mixture obtained in the first step.
    • 一种制备芳族聚酯共聚物的方法,其中构成共聚物的组分的交替配置是高度规则的,所述方法包括使二羟基酚化合物与芳族二羧酸二氯化物A在由水和 在碱性无机化合物的存在下,与水不混溶的溶剂,得到主要含有聚合度为1-2的低聚物的酚羟基封端的芳族低聚酯,第二步是使第一 在碱性无机化合物的存在下,用至少足以中和残留在第一步获得的反应产物混合物中的游离酚羟基的量与芳族二羧酸二氯B步骤。
    • 2. 发明授权
    • Process for the isolation of polyarylene esters
    • 分离聚亚芳基酯的方法
    • US4212951A
    • 1980-07-15
    • US964441
    • 1978-11-28
    • Senzo ShimizuIsao NomuraMotohachi UsuiMasahiro Harada
    • Senzo ShimizuIsao NomuraMotohachi UsuiMasahiro Harada
    • C08G63/00C08G63/19C08G63/89C08G63/72C08G63/74
    • C08G63/89
    • A process for the isolation of particulate polyarylene esters having good thermal stability and hydrolytic stability, which comprises adding to a solution of a polyarylene ester in an organic solvent a poor solvent for the polyarylene ester at least in an amount such that said solution reaches a cloud point, followed by subjecting said mixed solution to an aging treatment whereby the polyarylene ester precipitates as solids, characterized in that said poor solvent is a mixed poor solvent consisting of 5-95% by weight of an aliphatic alcohol with 1-5 carbons and the other poor solvent for the polyarylene ester, the amount of said mixed poor solvent added being within the range of 100-200% by weight of the amount such that said solution reaches the cloud point and not exceeding the amount of said solution.
    • 一种用于分离具有良好的热稳定性和水解稳定性的颗粒状聚亚芳基酯的方法,其包括将聚亚芳基酯在有机溶剂中的溶液加入到聚亚芳基酯的不良溶剂中,至少使得所述溶液达到云 点,然后对所述混合溶液进行时效处理,由此聚亚芳基酯作为固体沉淀,其特征在于所述不良溶剂是由5-95重量%的具有1-5个碳原子的脂族醇组成的混合不良溶剂, 聚芳酯的其它不良溶剂,所加入的混合不良溶剂的量在所述溶液达到浊点且不超过所述溶液量的量的100-200重量%的范围内。
    • 3. 发明授权
    • Process for producing aromatic polyester carbonate resin
    • 制备芳香族聚酯碳酸酯树脂的方法
    • US4395534A
    • 1983-07-26
    • US322244
    • 1981-11-17
    • Senzo ShimizuIsao NomuraMasahiro HaradaMotohachi UsuiSusumu TaniyamaShigeo Yanada
    • Senzo ShimizuIsao NomuraMasahiro HaradaMotohachi UsuiSusumu TaniyamaShigeo Yanada
    • C08G63/64
    • C08G63/64
    • A process for producing an aromatic polyester carbonate resin in which the molar ratio of the dihydric phenolic compound residue to aromatic dicarboxylic acid residue to carbonate bond is in the range of 2:0.5:1.5-2:1.4:0.6 and these constituent components form an alternating configuration of high regularity, said process comprising a first step wherein in producing a hydroxyl-terminated aromatic oligocarbonate by reacting a dihydric phenolic compound with a halogenated carbonyl compound in a reaction medium consisting of water and a water-immiscible solvent in the presence of a basic inorganic compound, the reaction is carried out by using the basic inorganic compound in an amount of 0.6-1.6 moles per mole of the dihydric phenolic compound and the halogenated carbonyl compound in an amount of 0.3-0.8 mole per mole of the dihydric phenolic compound to form a reaction product mixture consisting predominantly of a phenolic hydroxyl-terminated oligocarbonate of a degree of polymerization of 1-3, and a second step in which an esterification reaction is carried out by reacting the reaction product mixture obtained in the first step with an aromatic dicarboxylic acid dichloride in the presence of a basic inorganic compound in an amount at least sufficient to neutralize the free phenolic hydroxyl groups that remain in the reaction product mixture.
    • 一种芳族聚酯碳酸酯树脂的制造方法,其中二羟基酚类化合物残基与芳族二羧酸残基与碳酸酯键的摩尔比在2:0.5:1.5-2:1.4:0.6的范围内,并且这些组成成分形成 所述方法包括第一步骤,其中通过在由水和水不混溶溶剂组成的反应介质中在二元酚化合物与卤代羰基化合物的反应介质中反应来制备羟基封​​端的芳族低聚碳酸酯 碱性无机化合物,通过使用每摩尔二元酚类化合物和卤代羰基化合物的0.6-1.6摩尔量的碱性无机化合物,其量为每摩尔二羟基酚化合物0.3-0.8摩尔 以形成主要由聚合度为酚羟基封端的低聚碳酸酯组成的反应产物混合物 为1-3,第二步是在碱性无机化合物存在下使至少足以中和的第一步获得的反应产物混合物与芳族二羧酸二氯化物反应进行酯化反应 保留在反应产物混合物中的游离酚羟基。