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    • 8. 发明授权
    • Method of branching polyesters
    • 分支聚酯的方法
    • US5064914A
    • 1991-11-12
    • US447492
    • 1989-12-07
    • Niles R. RosenquistEdgar E. Bostick
    • Niles R. RosenquistEdgar E. Bostick
    • B29C67/24C08G63/64C08G64/18
    • B29C67/246C08G63/64C08G64/18
    • 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.
    • 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。
    • 10. 发明授权
    • Composite produced by impregnating with cyclic carbonate oligomer and
polymerizing
    • 通过用环状碳酸酯低聚物浸渍并聚合制得的复合材料
    • US4778874A
    • 1988-10-18
    • US51804
    • 1987-05-20
    • Niles R. Rosenquist
    • Niles R. Rosenquist
    • C07D323/00C08G64/00C08G64/30C08G63/62B32B27/36
    • C07D323/00C08G64/00C08G64/30Y10T428/31507
    • 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.
    • 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。