Polyphenylene sulfide fiber
    1.
    发明专利

    公开(公告)号:AU2015325717A1

    公开(公告)日:2017-04-20

    申请号:AU2015325717

    申请日:2015-09-24

    Abstract: Provided is a polyphenylene sulfide fiber for which changes in fiber structure are small and which has excellent long-term heat resistance. That is, the present invention is a polyphenylene sulfide fiber characterized in that the degree of crystallinity is at least 45.0%, the amount of mobile amorphous phases is not more than 15.0%, and the weight average molecular weight is not more than 300,000.

    Polyphenylene sulfide fibers, and manufacturing method therefor

    公开(公告)号:AU2015267804B2

    公开(公告)日:2018-07-05

    申请号:AU2015267804

    申请日:2015-05-22

    Abstract: These polyphenylene sulfide fibers are characterized in that the fibers contain 1-10wt% of a polyphenylene sulfide oligomer having a weight average molecular weight of at most 5,000, in that during the DSC heating process the difference (ΔHm-ΔHc) between the cold crystallization heat (ΔHc) and the crystalline melting heat (ΔHm) is at least 25J/g, and in that the elongation is less than 40% and the strength is at least 3.0cN/dtex. The polyphenylene sulfide fibers have high heat resistance and chemical resistance, as well as high strength, while providing high order workability, such as thermoforming properties, because of the high molecular mobility of the amorphous part thereof.

    Polyphenylene sulfide fiber
    4.
    发明专利

    公开(公告)号:AU2015325717B2

    公开(公告)日:2018-12-06

    申请号:AU2015325717

    申请日:2015-09-24

    Abstract: Provided is a polyphenylene sulfide fiber for which changes in fiber structure are small and which has excellent long-term heat resistance. That is, the present invention is a polyphenylene sulfide fiber characterized in that the degree of crystallinity is at least 45.0%, the amount of mobile amorphous phases is not more than 15.0%, and the weight average molecular weight is not more than 300,000.

    Polyphenylene sulfide fibers, and manufacturing method therefor

    公开(公告)号:AU2015267804A1

    公开(公告)日:2016-12-15

    申请号:AU2015267804

    申请日:2015-05-22

    Abstract: These polyphenylene sulfide fibers are characterized in that the fibers contain 1-10wt% of a polyphenylene sulfide oligomer having a weight average molecular weight of at most 5,000, in that during the DSC heating process the difference (ΔHm-ΔHc) between the cold crystallization heat (ΔHc) and the crystalline melting heat (ΔHm) is at least 25J/g, and in that the elongation is less than 40% and the strength is at least 3.0cN/dtex. The polyphenylene sulfide fibers have high heat resistance and chemical resistance, as well as high strength, while providing high order workability, such as thermoforming properties, because of the high molecular mobility of the amorphous part thereof.

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