2-Methylene propane phosphonic acid esters
    2.
    发明授权
    2-Methylene propane phosphonic acid esters 失效
    2-亚甲基丙烷膦酸酯

    公开(公告)号:US3925515A

    公开(公告)日:1975-12-09

    申请号:US31141372

    申请日:1972-12-01

    Applicant: BAYER AG

    Abstract: 2-METHYLENE PROPANE PHOSPHONIC ACID ESTERS AND THEIR COPOLYMERS WITH ACRYLONITRILE ARE THE OBJECTS OF THE INVENTION. The fibres produced from the copolymers are flame-resistant and show increased thermal stability, improved affinity for dyes and fastness to light. The copolymers of acrylonitrile and 2methylene propane phosphonic acid esters - in addition to other comonomers - are produced by polymerizing the monomers in solution or - preferably - in an aqueous suspension or emulsion. Formed articles, such as fibres from said copolymers can be prepared by spinning a solution of the copolymer in an organic solvent p.i. in dimethyl formamide.

    Abstract translation: 2-甲基丙酸膦酸酯及其与丙烯腈共聚物是本发明的目的。 由共聚物生产的纤维具有阻燃性,并且显示出增加的热稳定性,改善对染料的亲和力和耐光牢度。 除了其它共聚单体之外,丙烯腈和2-亚甲基丙烷膦酸酯的共聚物是通过在溶液中或优选在水性悬浮液或乳液中聚合单体制备的。 形成的制品,例如来自所述共聚物的纤维可以通过将共聚物溶液旋转在有机溶剂p.i中来制备。 在二甲基甲酰胺中。

    Acid-modified polyterephthalic acid esters
    3.
    发明授权
    Acid-modified polyterephthalic acid esters 失效
    酸改性聚对苯二甲酸酯

    公开(公告)号:US3882185A

    公开(公告)日:1975-05-06

    申请号:US36146673

    申请日:1973-05-18

    Applicant: BAYER AG

    CPC classification number: C08G63/6886 Y10S8/04

    Abstract: Acid-modified terephthalic acid polyesters containing structural elements of 2-sulfonatomethyl-propanediol-(1,3). The polyesters are easily dyeable with basic dyestuffs and can be spun from the melt into filaments.

    Abstract translation: 含有2-磺酸甲基 - 丙二醇 - (1,3)的结构单元的酸改性对苯二甲酸聚酯。 聚酯易于用碱性染料染色,并且可以从熔体纺丝成长丝。

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