Perfluoroalkylated amines, and polymers made therefrom
    3.
    发明授权
    Perfluoroalkylated amines, and polymers made therefrom 失效
    全氟烷基化胺,和由其制成的聚合物

    公开(公告)号:US5280103A

    公开(公告)日:1994-01-18

    申请号:US899896

    申请日:1992-06-17

    摘要: 1-[2,2-bis(trifluoromethyl)-3,3,4,4,5,5,5-heptafluoropentyl]-3,5-diaminobenzene and 1-[2,2-bis(trifluoromethyl)-3,3,4,4,5,5,5-heptafluoropentyl]-4-aminobenzene, as well as fluorinated polymers, preferably polyimides. The perfuuoroalkyl group of these amines is connected to the benzene ring through a tertiary carbon atom followed by a methylene group. This renders the amines more reactive than other amines, where the perfluoroalkyl group is connected directly to the benzene ring. The absence of hydrogen from the group containing the tertiary carbon atom which is adjacent to the perfluorinated groups, prohibits dehydrofluorination.

    摘要翻译: 1- [2,2-双(三氟甲基)-3,3,4,4,5,5,5-七氟戊基] -3,5-二氨基苯和1- [2,2-双(三氟甲基) 3,4,4,5,5,5-七氟戊基] -4-氨基苯基,以及氟化聚合物,优选聚酰亚胺。 这些胺的全氟烷基通过叔碳原子和亚甲基与苯环连接。 这使得胺比其它胺更具反应性,其中全氟烷基直接与苯环连接。 与含有与全氟化基团相邻的叔碳原子的基团不含氢禁止脱氟化氢。

    Perfluoroalkylated amines, and polymers made therefrom
    4.
    发明授权
    Perfluoroalkylated amines, and polymers made therefrom 失效
    全氟烷基胺和聚合物

    公开(公告)号:US5145999A

    公开(公告)日:1992-09-08

    申请号:US680486

    申请日:1991-04-04

    IPC分类号: C07C211/52 C08G73/10

    摘要: 1-[2,2-bis(trifluoromethyl)-3,3,4,4,5,5,5-heptafluoropentyl]-3,5-diaminobenzene and 1-[2,2-bis(trifluoromethyl)-3,3,4,4,5,5,5-heptafluoropentyl]-4-aminobenzene, as well as fluorinated polymers, preferably polyimides. The perfluoroalkyl group of these amines is connected to the benzene ring through a tertiary carbon atom followed by a methylene group. This renders the amines more reactive than other amines, where the perfluoroalkyl group is connected directly to the benzene ring. The absence of hydrogen from the group containing the tertiary carbon atom which is adjacent to the perfluorinated groups, prohibits dehydrofluorination.

    摘要翻译: 1- [2,2-双(三氟甲基)-3,3,4,4,5,5,5-七氟戊基] -3,5-二氨基苯和1- [2,2-双(三氟甲基) 3,4,4,5,5,5-七氟戊基] -4-氨基苯基,以及氟化聚合物,优选聚酰亚胺。 这些胺的全氟烷基通过叔碳原子和亚甲基与苯环连接。 这使得胺比其它胺更具反应性,其中全氟烷基直接与苯环连接。 与含有与全氟化基团相邻的叔碳原子的基团不含氢禁止脱氟化氢。

    Acid-dyeable polymer compositions
    6.
    发明授权
    Acid-dyeable polymer compositions 失效
    酸可染色聚合物组合物

    公开(公告)号:US06723799B2

    公开(公告)日:2004-04-20

    申请号:US09938760

    申请日:2001-08-24

    IPC分类号: C08L7700

    摘要: An acid-dyeable polymer composition comprising (a) polymer and (b) polymeric additive comprising repeating units having the formula: or salts thereof, wherein A, B and Q, which may be the same or different, are selected from aliphatic or aromatic substituents provided that at least four carbon atoms separate any two nitrogen groups, R is an aliphatic or aromatic group, a is 1 to 5, and n is 3 to about 1,000. In addition, an acid-dyed composition prepared from the composition, a process of acid dyeing the composition and a process for preparing the composition.

    摘要翻译: 一种酸可染色聚合物组合物,其包含(a)聚合物和(b)包含具有下式的重复单元或其盐的聚合添加剂:其中A,B和Q可以相同或不同,选自脂族或芳族取代基 条件是至少四个碳原子分离任何两个氮基团,R是脂族或芳族基团,a为1至5,n为3至约1,000。 此外,由该组合物制备的酸染色组合物,对该组合物进行酸性染色的方法和该组合物的制备方法。

    Method for removal of water from activated carbon
    8.
    发明授权
    Method for removal of water from activated carbon 失效
    从活性炭中除去水的方法

    公开(公告)号:US4287089A

    公开(公告)日:1981-09-01

    申请号:US131979

    申请日:1980-03-20

    摘要: A method of removing water from activated carbon is disclosed. Briefly, the method comprises (a) passing liquid 1,2-dichloroethane through a bed of activated carbon until a bulk water phase ceases to exit the bed or until from about 60 to about 80 weight percent of the water present in a water-saturated bed has been removed and (b) passing vapor phase 1,2-dichloroethane through the bed of activated carbon to remove substantially all of the remaining water.

    摘要翻译: 公开了从活性炭中除去水的方法。 简而言之,该方法包括(a)使液体1,2-二氯乙烷通过活性炭床直到主体水相停止离开床,或直到存在于饱和水中的水的约60至约80重量% 床已经被去除,并且(b)使气相1,2-二氯乙烷通过活性炭床以基本上除去剩余的所有水。

    Continuous process for separating high boiling, heat sensitive materials
    9.
    发明授权
    Continuous process for separating high boiling, heat sensitive materials 失效
    用于分离高沸点,热敏材料的连续工艺

    公开(公告)号:US4166773A

    公开(公告)日:1979-09-04

    申请号:US863353

    申请日:1977-12-22

    摘要: This invention is concerned with a continuous process for separating higher boiling, heat sensitive components from a liquid product stream. It involves a rapid evaporation of the desired product of the stream in an evaporator which minimizes residence time, such as a falling film evaporator, and feeding the vapors and the remainder of the stream to a separation column where the vaporized products rise in the column. Part of the vaporized products are removed after condensation and then recycled back to the column as a reflux. This reflux after contacting one or more trays is collected and recycled to the evaporator and mixed with the product feed being treated. The liquid remainder of the feed stream is collected at the bottom of the column. The bottom of the column can be kept at a temperature which minimizes any breakdown of the heat sensitive components present therein and, if desired, the bottoms in the column can be quickly withdrawn for treatment elsewhere or for recycling back to the process. A desirable embodiment is to recycle a portion of the residue at the bottom of the column back to the evaporator.

    摘要翻译: 本发明涉及从液体产物流中分离较高沸点的热敏组分的连续方法。 它涉及在蒸发器中快速蒸发所需产物,其使停留时间最小化,例如降膜蒸发器,并将蒸气和剩余物流送入蒸发产物在柱中升高的分离塔。 部分蒸发产物在冷凝后除去,然后作为回流再循环回塔。 收集一个或多个塔盘后的回流并循环到蒸发器中并与待处理的产品进料混合。 进料流的剩余液体在柱的底部收集。 柱的底部可以保持在最小化其中存在的热敏组分的任何破坏的温度,并且如果需要,可以快速地将塔中的塔底物撤回用于在别处处理或用于回收到该方法。 一个理想的实施例是将塔底部残留物的一部分再循环回蒸发器。

    Polyamines and polymers made therewith

    公开(公告)号:US06812325B2

    公开(公告)日:2004-11-02

    申请号:US10455883

    申请日:2003-06-06

    申请人: David P. Higley

    发明人: David P. Higley

    IPC分类号: C08G7802

    CPC分类号: C08G69/26 C07C211/14

    摘要: A polyamine having the formula: H2N—A[NR—B]aNH2 or salt thereof, wherein A and B, which may be the same or different, are selected from aliphatic or aromatic substituents provided that at least four carbon atoms separate any two nitrogen groups, R is an aliphatic or aromatic group, and a is 2 to 5. In addition, a polymer having the formula: or salt thereof, wherein A, B and Q, which may be the same or different, are selected from aliphatic or aromatic substituents provided that at least four carbon atoms separate any two nitrogen groups, R is an aliphatic or aromatic group, a is greater than 1 to about 5, and n is 3 to about 1,000. The polymers are useful for improving acid-dyeability of polymer compositions, fibers, fabrics, films and other articles.