Process for separating and polymerizing cyclic oligomeric polycarbonate
    1.
    发明授权
    Process for separating and polymerizing cyclic oligomeric polycarbonate 失效
    环状低聚聚碳酸酯的分离和聚合方法

    公开(公告)号:US4686277A

    公开(公告)日:1987-08-11

    申请号:US812450

    申请日:1985-12-23

    IPC分类号: C08G64/40 C08G63/62

    CPC分类号: C08G64/406

    摘要: A process for separating solid cyclic oligomeric dihydric phenol carbonate from solid high molecular weight linear aromatic polycarbonate which comprises admixing an organic solvent with a composition comprising major quantities of solid high molecular weight linear aromatic polycarbonate and minor quantities of solid cyclic oligomeric dihydric phenol carbonate and separating the cyclic oligomeric dihydric phenol carbonate soluble in the organic solvent from the high molecular weight linear aromatic polycarbonate insoluble in the organic solvent, said organic solvent selected so that a very large fraction of the said solid cyclic oligomer is separated from a very large fraction of the said polycarbonate which remains as a solid in the organic solvent.

    摘要翻译: 一种从固体高分子量线性芳族聚碳酸酯中分离固体环状低聚二元酚酸酯碳酸酯的方法,其包括将有机溶剂与包含大量固体高分子量线性芳族聚碳酸酯和少量固体环状低聚二元酚酸酯的组合物混合并分离 可溶于有机溶剂的环状低聚二元酚碳酸酯,不溶于有机溶剂的高分子量线性芳族聚碳酸酯,选择所述有机溶剂使得非常大部分的所述固体环状低聚物与非常大部分的 所述聚碳酸酯在有机溶剂中保持固体。

    Blow molded article molded from a composition comprising a randomly
branched aromatic polymer
    3.
    发明授权
    Blow molded article molded from a composition comprising a randomly branched aromatic polymer 失效
    由包含无规分支的芳族聚合物的组合物模制的吹塑制品

    公开(公告)号:US5367044A

    公开(公告)日:1994-11-22

    申请号:US928075

    申请日:1992-08-12

    IPC分类号: C08G64/14 C08G64/00

    CPC分类号: C08G64/14

    摘要: A composition comprising a randomly branched aromatic polycarbonate polymer wherein the branching agent 1,1,1-tris-(4-hydroxyphenol)ethane is present in the polymer in quantities ranging from about 0.28 to about 0.36 mole percent compound based on the percent of dihydric phenol present in the polymer.

    摘要翻译: 一种包含随机支化的芳族聚碳酸酯聚合物的组合物,其中支化剂1,1,1-三(4-羟基苯酚)乙烷以约0.28至约0.36摩尔%的量存在于聚合物中,基于二元的百分比 苯酚存在于聚合物中。

    Preparation of cross-linked polycarbonate with cross-linker
polycarbonate resin
    4.
    发明授权
    Preparation of cross-linked polycarbonate with cross-linker polycarbonate resin 失效
    用交联聚碳酸酯树脂制备交联聚碳酸酯

    公开(公告)号:US5081205A

    公开(公告)日:1992-01-14

    申请号:US542623

    申请日:1990-06-25

    IPC分类号: C08G64/14

    CPC分类号: C08G64/14

    摘要: A polycarbonate resin, containing in the polymer chain at least one divalent moiety of the formula: ##STR1## wherein E is selected from the group consisting of alkylene containing from 1 to 15 carbon atoms, inclusive, and halogen-substituted alkylene containing from 1 to 15 carbon atoms, inclusive, a is an integer of 0 or 1 and R' is hydrogen or hydrocarbyl or halogen substituted hydrocarbyl amenable to beta elimination upon thermal degradation.

    摘要翻译: 在聚合物链中含有下式的至少一个二价部分:(I)的聚碳酸酯树脂,其中E选自含有1至15个碳原子的亚烷基,和含有卤素取代的亚烷基 1至15个碳原子,包括端值,a为0或1的整数,R'为氢或烃基或卤素取代的烃基,可在热降解时进行β消除。

    Method of branching polyesters
    5.
    发明授权
    Method of branching polyesters 失效
    分支聚酯的方法

    公开(公告)号:US5064914A

    公开(公告)日:1991-11-12

    申请号:US447492

    申请日:1989-12-07

    IPC分类号: B29C67/24 C08G63/64 C08G64/18

    摘要: Linear polyester are branched by transesterification with resins having repeating or recurring polymer chain units of the formula: ##STR1## wherein m, n and p are each independent integers of 0 or 1; R represents hydrocarbyl; and E represents alkylene containing from 1 to 15 carbon atoms, inclusive, halogen- substituted alkylene of 1 to 15 carbon atoms, inclusive, alkylene of 1 to 15 carbon atoms, inclusive, substituted with a --COOR group where R is as previously defined, or alkylene having 1 to 15 carbon atoms substituted with a monovalent group of the formula: ##STR2## wherein X represents one of hydrogen, hydrocarbyl or ##STR3## wherein R is as defined above; provided there is at least one moiety present, containing an R group.

    摘要翻译: 线性聚酯通过与具有下式的重复或重复的聚合物链单元的树脂进行酯交换而支化:其中m,n和p各自独立的整数为0或1; R表示烃基; E表示含有1至15个碳原子的亚烷基,包括1至15个碳原子的卤素取代的亚烷基,包括1至15个碳原子的亚烷基,包括它们被-COOR基团取代,其中R如前所定义, 或具有1至15个碳原子的亚烷基,其被下式的单价基团取代:其中X表示氢,烃基或者其中R如上定义; 条件是存在至少一个含有R基团的部分。

    Copolyester-carbonate resins having trimellitic acid units in the
polymer backbone and their use as crosslinking or branching agents
    6.
    发明授权
    Copolyester-carbonate resins having trimellitic acid units in the polymer backbone and their use as crosslinking or branching agents 失效
    在聚合物主链中具有偏苯三酸单元的共聚酯 - 碳酸酯树脂及其作为交联剂或支链剂的用途

    公开(公告)号:US4826928A

    公开(公告)日:1989-05-02

    申请号:US234789

    申请日:1988-08-22

    IPC分类号: C08G63/64

    CPC分类号: C08G63/64

    摘要: Thermoplastic copolyester-carbonate resins are described, having included in their polymer chains, a moiety of the formula: ##STR1## wherein a and b are each whole number integers of from 0 to 1; and the sum of a+b is 1.The resins are useful intermediates for branched or cross-linked molding compositions.

    摘要翻译: 描述了在其聚合物链中包含下式的部分的热塑性共聚酯 - 碳酸酯树脂:其中a和b各自的整数为0至1; 并且a + b的总和为1.树脂是支链或交联模塑组合物的有用的中间体。

    Composite produced by impregnating with cyclic carbonate oligomer and
polymerizing
    7.
    发明授权
    Composite produced by impregnating with cyclic carbonate oligomer and polymerizing 失效
    通过用环状碳酸酯低聚物浸渍并聚合制得的复合材料

    公开(公告)号:US4778874A

    公开(公告)日:1988-10-18

    申请号:US51804

    申请日:1987-05-20

    摘要: A composition comprising at least one oligomer of the formula ##STR1## wherein X is selected from the group consisting of alkylene of two to twelve carbon atoms, inclusive, alkylidene of one to twelve carbon atoms, inclusive, cycloalkylene of four to twelve carbon atoms, inclusive, cycloalkylidene of four to twelve carbon atoms, inclusive, ##STR2## a is zero or 1; n is an integer of one to about fifteen;R is alkylene of two to eight carbon atoms, inclusive, or alkylidene of one to eight carbon atoms, inclusive;R.sup.1 and R.sup.2 are the same or different and are alkyl or one to four carbon atoms, inclusive or halo;b and c are the same or different and are an integer of zero to four; andR.sup.3 and R.sup.4 are the same or different and are alkyl of one to eight carbon atoms, inclusive, or phenyl; andd and e are individually integers of 0.1 or 2 with the proviso that d & e is at least one.

    摘要翻译: 一种组合物,其包含至少一种式Ⅰ的低聚物,其中X选自2至12个碳原子的亚烷基,包括1至12个碳原子的亚烷基,包括4-12个碳的亚环烷基 原子(包括),四至十二个碳原子的环烷叉基,包括α,a为零或1; n是1至约15的整数; R是2至8个碳原子的亚烷基,包括1或8个碳原子的亚烷基,包括1至8个碳原子的亚烷基; R1和R2相同或不同,为烷基或一至四个碳原子,包括或卤素; b和c相同或不同,为0〜4的整数。 并且R 3和R 4相同或不同,为1-8个碳原子的烷基,或苯基; d和e分别为0.1或2的整数,条件是d&e为至少一个。

    Copolyester-carbonate resin containing recurring divalent units from
trimellitic acid derivative
    8.
    发明授权
    Copolyester-carbonate resin containing recurring divalent units from trimellitic acid derivative 失效
    含有来自偏苯三酸衍生物的重复二价单元的共聚酯 - 碳酸酯树脂

    公开(公告)号:US4701516A

    公开(公告)日:1987-10-20

    申请号:US814398

    申请日:1985-12-30

    CPC分类号: C08G63/64

    摘要: A thermoplastic polyester-carbonate resin containing in the polymer chain, divalent moieties of the formula: ##STR1## wherein R represents aliphatic hydrocarbyl of from 1 to 9 carbon atoms, inclusive, halogen substituted aliphatic hydrocarbyl of 1 to 9 carbon atoms, inclusive, aralkyl of 7 to 10 carbon atoms, inclusive and halogen substituted aralkyl of 7 to 10 carbon atoms, inclusive; a and b are each whole number integers of from 0 to 1; and the sum of a+b is 1 and wherein there are sufficient linkages of formula I to lower the glass transition temperature of the polymer.

    摘要翻译: 包含在聚合物链中的热塑性聚酯 - 碳酸酯树脂,其具有下式的二价部分:其中R表示1至9个碳原子的脂族烃基,包括1至9个碳原子的卤素取代的脂族烃基, 包括7至10个碳原子的芳烷基和包含7至10个碳原子的卤素取代的芳烷基; a和b各自为0〜1的整数; 并且a + b的总和为1,并且其中存在式I的足够连接以降低聚合物的玻璃化转变温度。

    Flame retardant polycarbonate compositions
    9.
    发明授权
    Flame retardant polycarbonate compositions 失效
    阻燃聚碳酸酯组合物

    公开(公告)号:US4533690A

    公开(公告)日:1985-08-06

    申请号:US603920

    申请日:1984-04-26

    IPC分类号: C08K5/42

    CPC分类号: C08K5/42

    摘要: A composition comprising an admixture of an aromatic polycarbonate and a flame retardant effective amount of a compound of the formula ##STR1## wherein M is an alkali or alkaline earth metal;R is alkyl, halo, nitro, trihalomethyl or cyano;m is an integer of one to about ten;n is an integer of zero, one, two, three or four; andp is an integer of two, three, four, five or six.

    摘要翻译: 一种组合物,其包含芳族聚碳酸酯和阻燃剂有效量的下式化合物的混合物,其中M为碱金属或碱土金属; R是烷基,卤素,硝基,三卤甲基或氰基; m为1〜10的整数; n是零,一,二,三或四的整数; 并且p是二,三,四,五或六的整数。