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    5.
    发明专利
    未知

    公开(公告)号：DE1694997A1

    公开(公告)日：1971-09-16

    申请号：DE1694997

    申请日：1967-02-11

    Applicant: TORAY INDUSTRIES

    Inventor： OKAZAKI KAORU ,  SHIMOKAWA YOICHI ,  NAKAGAWA ASAHARU

    IPC: C08L77/00 ,  C08G41/04

    Abstract: 1,180,403. Antistatic polyamide compositions. TOYO RAYON K.K. 9 Feb., 1967 [11 Feb., 1966], No. 6309/67. Heading C3R. Polyamides are rendered antistatic by incorporating therein a block polyether-polyamide made up of polyether blocks containing at least 45 O atoms and polyamide blocks derivable from a C 6 or higher lactam or a diamine and a C 6 or higher dicarboxylic acid in an amount providing 0À1 to 20 wt. per cent polyether segments in the final composition. Various polyamide monomers for the main and block polymers are specified. Mention is also made of other polymers which may be blended with or provide copolymer units in the polymers. The block copolymers may be prepared by producing the polyamide from its monomers in the presence of an amino or carboxyl terminated polyether or by reacting preformed polymer having terminal amino and carboxyl groups. In Example 1 polyethyleneglycol is cyanoethylated and hydrogenated to obtain an amino-terminated polyether while in Example 4 the cyanoethylated polyether is hydrolysed to give terminal carboxyl groups. In Example 5 a polyether C 4 H 9 O(C 2 H 4 O) n H was chlorinated with thionyl chloride and reacted with sodamide to give NH 2 at one end, the product being block copolymerized with nylon 6. Blends according to the invention are melt shaped into fibres, films and pipes. Optional ingredients mentioned are viscosity stabilizers, delustrants, heat and light stabilizers, dyes, pigments, plasticizers, fillers, polyesters, polyethers, polyureas, polyurethanes and polyimides.

    6.
    发明专利
    未知

    公开(公告)号：DE1645514A1

    公开(公告)日：1972-03-23

    申请号：DE1645514

    申请日：1967-05-17

    Applicant: TORAY INDUSTRIES

    Inventor： OKAZAKI KAORU ,  NAKAGAWA ASAHARU ,  NAKAYAMA YUZABURO MINAMI ,  SUGII KENJI

    IPC: C08G69/44 ,  C08L67/02 ,  C08G20/20

    Abstract: 1,141,118. Block copolymers. TOYO RAYON K.K. 16 May, 1967 [18 May, 1966; 24 May, 1966], No. 22734/67. Heading C3R. Block copolymers of polyamide and polyester are prepared by heating a solid mixture of polyamide and polyester at a temperature above the second order transition point of the polymer component having the highest second order transition but below the m.p. of the polymer having the lowest m.p. The solid phase reaction may take place at reduced pressure or at atmospheric pressure in an inert gas stream. An intimate mixture of polyamide and polyester is desirable and may be obtained by melt blending the polymers prior to reaction or by dissolving in a solvent and then either distilling off the latter or pouring the resultant solution into a non-solvent liquid. The solid mixture used in the reaction may be a powder or be in the form of chips, pellets or flakes. The polyamide may have M.W. 1000-30,000 and the polyester M.W. 2000-30,000. Although the resultant block copolymers are fibre forming the constituent polyamide and polyester need not be fibre forming. At least 50% of the polyamide terminal groups may be amino or carboxyl and at least 50% of the polyester terminal groups may be hydroxyl. Suitable polyamides are polycapramide, polyhexamethylene adipamide. A suitable polyester is polyethylene terephthalate. Mixing may be achieved by melt blending at 260-320‹ C. for up to 20 minutes; reaction may take place between 150‹ C. and the m.p. of the component having the lowest m.p. Fibres may be obtained by melt spinning. Composite fibres may be obtained by melt-spinning a block copolymer prepared by the process according to the invention with another fibre-forming polymer.

    A COMPOSITION COMPRISING A POLYESTER COMPONENT AND POLYETHER-POLYAMIDE BLOCKCOPOLYMER
    9.
    发明专利
    A COMPOSITION COMPRISING A POLYESTER COMPONENT AND POLYETHER-POLYAMIDE BLOCKCOPOLYMER 未知

    公开(公告)号：GB1211118A

    公开(公告)日：1970-11-04

    申请号：GB658968

    申请日：1968-02-09

    Applicant: TORAY INDUSTRIES

    Inventor： OKAZAKI KAORU ,  NAKAGAWA ASAHARU ,  NAKAYAMA YUZABURO ,  ICHIKAWA YOSHIMITSU

    IPC: C08L67/02 ,  C08L77/00 ,  D01F8/14

    Abstract: 1,211,118. Polyester/block polyamide-polyether filaments. TORAY INDUSTRIES Inc. 9 Feb., 1968, No. 6589/68. Heading B5B. [Also in Division C3] Filaments with improved antistatic and dyeing properties over polyesters comprise a high molecular weight linear polyester (or a block copolymer of the polyester with up to 30 weight per cent polyamide) and a polyetherpolyamide block copolymer having 0À05 to 20 weight per cent polyether based on the total polymer content. The polyether-polyamide may contain less than 85 weight per cent of the polyether segments, and the block copolymer may be obtained from polyethylene glycol and polycaproamide. The polyester may be polyethylene terephthalate and when in the form of a block copolymer the polyamide may be polycaproamide. The filament may be melt extruded as an intimate blend, or a conjugate sheath-core or side-by-side filament. The latter conjugate filament develops crimps in boiling water. In Example 8 compositions containing 5 weight per cent of additional polymers of polyethylene adipate, polypropylene or polystyrene are disclosed. The fibres are heat drawn after extrusion.

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