Process for the preparation of aqueous solution or dispersion containing cationic polymer
    1.
    发明授权
    Process for the preparation of aqueous solution or dispersion containing cationic polymer 失效
    制备含有阳离子聚合物的水溶液或分散体的方法

    公开(公告)号:US06602940B1

    公开(公告)日:2003-08-05

    申请号:US09076370

    申请日:1998-05-11

    IPC分类号: C08K506

    摘要: A process for the preparation of an aqueous solution or dispersion containing a cationic polymer, which comprises the steps of: polymerizing a monomer including an N-vinyl-carboxylic acid amide represented by the general formula CH2═CHNHCOR, wherein R represents a hydrogen atom or methyl group, in an aqueous medium in the presence of either or both of a polyethylene glycol and polypropylene glycol; and then modifying the resulting polymer with an acid or base. Furthermore, an aqueous composition containing a cationic polymer, which comprises (A) a modified N-vinylcarboxylic acid amide polymer, (B) either or both of a polyethylene glycol and polypropylene glycol, and (C) water is disclosed.

    摘要翻译: 一种制备含有阳离子聚合物的水溶液或分散体的方法,其包括以下步骤:使包含由通式CH 2 = CHNHCOR表示的N-乙烯基 - 羧酸酰胺的单体聚合,其中R表示氢原子或 甲基,在水性介质中,在聚乙二醇和聚丙二醇中的任一种或两者的存在下; 然后用酸或碱改性得到的聚合物。 此外,公开了包含(A)改性N-乙烯基羧酸酰胺聚合物,(B)聚乙二醇和聚丙二醇中的任一种或两者的阳离子聚合物和(C)水的含水组合物。

    Process for producing an aromatic polycarbonate
    2.
    发明授权
    Process for producing an aromatic polycarbonate 失效
    芳香族聚碳酸酯的制造方法

    公开(公告)号:US06750314B2

    公开(公告)日:2004-06-15

    申请号:US10396408

    申请日:2003-03-26

    IPC分类号: C08G6400

    摘要: To produce an aromatic polycarbonate excellent in physical properties and hue by a simplified step as compared with a conventional one. A process for producing an aromatic polycarbonate, which comprises the following steps (1) to (3): (1) a step of reacting phenol with acetone in the presence of an acid catalyst to convert part of the phenol into bisphenol A, to obtain a bisphenol A/phenol composition, (2) a step of supplying the bisphenol A/phenol composition held in a molten state in a liquid form to an aromatic polycarbonate production step, and (3) a step of reacting the bisphenol A and a carbonate material to produce an aromatic polycarbonate.

    摘要翻译: 一种芳族聚碳酸酯的制造方法,其特征在于,包括以下的工序(1)〜(3):(1)使反应的工序 苯酚与丙酮在酸催化剂存在下反应,将一部分苯酚转化为双酚A,得到双酚A /苯酚组合物,(2)将保持在熔融状态的双酚A /苯酚组合物供给液体的步骤 形成芳族聚碳酸酯制备步骤,和(3)使双酚A和碳酸酯材料反应以制备芳族聚碳酸酯的步骤。

    Polycarbonate resin, optical information recording medium substrate comprising the same, and optical information recording medium
    3.
    发明授权
    Polycarbonate resin, optical information recording medium substrate comprising the same, and optical information recording medium 有权
    聚碳酸酯树脂,包含该聚碳酸酯树脂的光学信息记录介质基材和光学信息记录介质

    公开(公告)号:US06288205B1

    公开(公告)日:2001-09-11

    申请号:US09570576

    申请日:2000-05-12

    IPC分类号: C08G6400

    CPC分类号: C08G64/14 G11B7/2534

    摘要: A polycarbonate resin having an improved hue is provided, which is suitable for use as a substrate for transfer type optical recording media such as optical disks. The polycarbonate resin is one obtained by reacting starting materials comprising a dihydric phenol, a carbonate material, and a chain terminator comprising a p-(long chain)-substituted phenol (hereinafter referred to as a para isomer), characterized in that the amount of an o-(long chain)-substituted phenol (hereinafter referred to as an ortho isomer) contained as an impurity in the chain terminator used satisfies the following relationship: ( ortho ⁢   ⁢ isomer ⁢   ⁢ amount ) ( para ⁢   ⁢ isomer ⁢   ⁢ amount ) + ( ortho ⁢   ⁢ isomer ⁢   ⁢ amount ) × 10 6 ≤ 10 ( 0.31 × ( number ⁢   ⁢ of ⁢   ⁢ C ' ⁢ s ) + 0.8 ) ( i ) (wherein “number of C's” represents the number of carbon atoms in the substituent organic group of the substituted phenols).

    摘要翻译: 提供了具有改善的色调的聚碳酸酯树脂,其适合用作光盘等转印型光学记录介质的基材。聚碳酸酯树脂是通过使包含二元酚,碳酸酯材料和 包括对 - (长链)取代的苯酚(以下称为对位异构体)的链终止剂,其特征在于,以( 使用的链终止剂中的杂质满足以下关系:(其中“C数”表示取代酚的取代基有机基团中的碳原子数)。

    Colored aromatic polycarbonate resin composition, process for producing the same and colored hollow container
    5.
    发明申请
    Colored aromatic polycarbonate resin composition, process for producing the same and colored hollow container 有权
    着色芳香族聚碳酸酯树脂组合物,其制造方法和彩色中空容器

    公开(公告)号:US20070129471A1

    公开(公告)日:2007-06-07

    申请号:US11604904

    申请日:2006-11-28

    IPC分类号: C08K5/34

    摘要: There is provided an aromatic polycarbonate resin composition which is free from unevenness of color and exhibits a good heat resistance and a good hydrolysis resistance. The aromatic polycarbonate resin composition of the present invention comprises: (a) 100 parts by weight of an aromatic polycarbonate resin having a viscosity-average molecular weight of not less than 16000 and containing a branched constitutional unit in an amount of 0.3 to 0.95 mol % on the basis of a constitutional unit represented by the general formula (1): (wherein X is a single bond, an alkylene group having 1 to 8 carbon atoms, an alkylidene group having 2 to 8 carbon atoms, a cycloalkylene group having 5 to 15 carbon atoms, a cycloalkylidene group having 5 to 15 carbon atoms, or a divalent connecting group selected from the group consisting of —O—, —S—, —CO—, —SO— and —SO2—); (b) 0.00001 to 0.05 part by weight of at least one colorant selected from the group consisting of phthalocyanine-based compounds, anthraquinone-based compounds and ultramarine blue; and (c) 0.0001 to 0.5 part by weight of a polyalkyleneglycol compound having a number-average molecular weight of 62 to 4000, which is represented by the general formula (2): HO—{—CHR1—CHR2—}m—OH  (2) (wherein R1, R2, R3 and R4 are independently a hydrogen atom or an alkyl group, and m is a natural number of 1 to 1000).

    摘要翻译: 提供了一种没有颜色不均匀并具有良好的耐热性和良好的耐水解性的芳族聚碳酸酯树脂组合物。 本发明的芳香族聚碳酸酯树脂组合物包含:(a)100重量份粘均分子量为16000以上,含有0.3〜0.95摩尔%的分支结构单元的芳香族聚碳酸酯树脂, 基于由通式(1)表示的结构单元:(其中X是单键,具有1至8个碳原子的亚烷基,具有2至8个碳原子的亚烷基,具有5至 15个碳原子,具有5至15个碳原子的亚环烷基或选自-O - , - S-,-CO-,-SO-和-SO 2 2的二价连接基团 > - ); (b)0.00001〜0.05重量份选自酞菁类化合物,蒽醌类化合物和群青蓝色中的至少一种着色剂; 和(c)0.0001〜0.5重量份数均分子量为62〜4000的聚亚烷基二醇化合物,由通式(2)表示:&lt;?in-line-formula description =“In-line 公式“end =”lead“?HO - { - CHR <1> -CHR 2 - } - - - (2) -line-formula description =“In-line Formulas”end =“tail”?>(其中R 1,R 2,R 3, R 4独立地为氢原子或烷基,m为1〜1000的自然数)。

    Process for preparing water-soluble polymers
    7.
    发明授权
    Process for preparing water-soluble polymers 失效
    制备水溶性聚合物的方法

    公开(公告)号:US5464908A

    公开(公告)日:1995-11-07

    申请号:US128318

    申请日:1993-09-29

    摘要: Disclosed herein is a process for preparing a water-soluble polymer comprising subjecting an N-vinylcarboxylic acid amide alone or a mixture of the N-vinylcarboxylic acid amide and other water-soluble vinyl compound(s) copolymerizable therewith to suspension polymerization, and adding hydroxylamine followed by acidic hydrolysis. A water-soluble can be polymerized efficiently without forming gel.

    摘要翻译: 本文公开了一种制备水溶性聚合物的方法,包括将N-乙烯基羧酰胺单独或N-乙烯基羧酸酰胺与其可共聚合的其它水溶性乙烯基化合物的混合物进行悬浮聚合,并加入羟胺 然后酸性水解。 水溶性可以有效地聚合而不形成凝胶。

    Colored aromatic polycarbonate resin composition, process for producing the same and colored hollow container
    8.
    发明授权
    Colored aromatic polycarbonate resin composition, process for producing the same and colored hollow container 有权
    着色芳香族聚碳酸酯树脂组合物,其制造方法和彩色中空容器

    公开(公告)号:US07511114B2

    公开(公告)日:2009-03-31

    申请号:US11604904

    申请日:2006-11-28

    IPC分类号: C08G64/00 C08G63/02

    摘要: Colored aromatic polycarbonate resin compositions are prepared by dispersing a colorant (b) selected from phthalocyanine-based compounds, anthraquinone-based compounds and ultramarine blue in a polyalkyleneglycol compound (c) having a number-average molecular weight of 62 to 4000 of formula (2): HO—[—CHR1—CHR2—]m—OH  (2) where R1, R2, R3 and R4 are independently hydrogen atoms or alkyl groups, and m is not less than 1. The dispersion is added to an aromatic polycarbonate resin (a) kept in a molten state which has a viscosity-average molecular weight of not less than 16000 and contains a branched constitutional unit of formula (1): in an amount of 0.3 to 0.95 mol % where X is a single bond, an alkylene group having 1 to 8 carbon atoms, an alkylidene group having 2 to 8 carbon atoms, a cycloalkylene group having 5 to 15 carbon atoms, a cycloalkylidene group having 5 to 15 carbon atoms, or a divalent connecting group —O—, —S—, —CO—, —SO— and —SO2—.

    摘要翻译: 通过将选自酞菁类化合物,蒽醌类化合物和群青蓝中的着色剂(b)分散在数均分子量为62〜4000的式(2)的聚亚烷基二醇化合物(c)中来制备着色的芳族聚碳酸酯树脂组合物 ):<?in-line-formula description =“In-line Formulas”end =“lead”?HO - [ - CHR1-CHR2-] m-OH(2)<?in-line-formula description =“In 其中R 1,R 2,R 3和R 4独立地为氢原子或烷基,m为不小于1.将该分散体加入到保持在...中的芳族聚碳酸酯树脂(a)中, 粘度平均分子量为16000以上且含有式(1)的支链结构单元的熔融状态:其中X为单键为0.3〜0.95摩尔%,具有1〜8的亚烷基 碳原子数为2〜8的亚烷基,碳原子数5〜15的亚环烷基,碳原子数为5的亚环烷基 至15个碳原子,或二价连接基团-O - , - S - , - CO - , - SO-和-SO 2 - 。

    Production of N-(.alpha.-alkoxyethyl) formamide
    9.
    发明授权
    Production of N-(.alpha.-alkoxyethyl) formamide 失效
    制备N-(α-烷氧基乙基)甲酰胺

    公开(公告)号:US5574185A

    公开(公告)日:1996-11-12

    申请号:US346605

    申请日:1994-11-16

    CPC分类号: C07C231/08 C07C231/24

    摘要: An improved process for producing N-(.alpha.-alkoxyethyl)formamide by reacting formamide with acetaldehyde in the presence of a basic catalyst, thereby giving N-(.alpha.-hydroxyethyl)formamide, and reacting it with a primary or secondary alcohol in the presence of an acid catalyst, thereby giving N-(.alpha.-alkoxyethyl)formamide, characterized in that the basic catalyst is alkali metal bicarbonate or alkali metal hydrogenphosphate.

    摘要翻译: 一种用于在碱性催化剂存在下使甲酰胺与乙醛反应生成N-(α-烷氧基乙基)甲酰胺的改进方法,从而得到N-(α-羟乙基)甲酰胺,并在伯或仲醇的存在下使其与伯醇或仲醇反应, 酸催化剂,从而得到N-(α-烷氧基乙基)甲酰胺,其特征在于碱性催化剂是碱金属碳酸氢盐或碱金属磷酸氢盐。