Flame-Retardant Polyamide Composition
    12.
    发明申请

    公开(公告)号:US20180072873A1

    公开(公告)日:2018-03-15

    申请号:US15565618

    申请日:2016-04-04

    IPC分类号: C08K13/04 C09K21/12

    摘要: The invention relates to a flame-retardant polyamide composition comprising as component A) 1 to 96 wt % of one or more thermoplastic polyamides, as component B) 2 to 25 wt % of a dialkylphosphinic salt of the formula (I), and/or of a diphosphinic salt of the formula (II), and/or of polymers thereof, in which R1 and R2 are identical or different and are C1-C6-alkyl, linear, or branched, or H; R3 is C1-C10-alkylene, linear, or branched, C6-C10-arylene, C7-C20-alkylarylene, or C7-C20-arylalkylene; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K and/or a protonated nitrogen base; m is 1 to 4; n is 1 to 4; x is 1 to 4, as component C) 1 to 20 wt % of a salt of phosphorous acid, as component D) 1 to 20 wt % of a phosphazene, as component E) 0 to 50 wt % of filler or reinforcing agent, as component F) 0 to 1 wt % of a phosphonite or of a mixture of a phosphonite and a phosphite, and as component G) 0 to 1 wt % of an ester or salt of long-chain aliphatic carboxylic acids (fatty acids), which typically have chain lengths of C14 to C40, the sum of the components always being 100 wt %.

    FLAME-RETARDANT POLYAMIDE COMPOSITIONS AND USE THEREOF

    公开(公告)号:US20210147676A1

    公开(公告)日:2021-05-20

    申请号:US16637802

    申请日:2018-08-08

    摘要: The invention relates to flame-retardant polyamide compositions comprising polyamide having a melting point of not more than 290° C. as component A, fillers and/or reinforcers as component B, phosphinic salt of the formula (I) as component C in which R1 and R2 are ethyl, M is Al, Fe, TiOp or Zn, m is 2 to 3, and p=(4−m)/2 compound selected from the group of the Al, Fe, TiOp and Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D phosphonic salt of the formula (II) as component E in which R3 is ethyl, Met is Al, Fe, TiOq or Zn, n is 2 to 3, and q=(4−n)/2 melamine polyphosphate having an average degree of condensation of 2 to 200 as component F, and wax selected from the group of the polyolefin waxes, amide waxes, natural waxes, long-chain aliphatic carboxylic acids and/or the esters or salts thereof as component G. The polyamide compositions can be used for production of fibers, films and shaped bodies, especially for applications in the electricals and electronics sector.

    Polyacrylate-polysilane block copolymers

    公开(公告)号:US10968321B2

    公开(公告)日:2021-04-06

    申请号:US16320594

    申请日:2017-07-17

    摘要: The invention relates a polyacrylate-polysilane block copolymer of general structure (I): wherein m and n independent of one another, are integers ranging from 2 to 4000; p is an integer ranging from 0 to 5; q is an integer ranging from 1 to 5; R1 represents hydrogen, straight-chain or branched alkyl group having 1 to 4 carbon atoms; R2 represents hydrogen, straight-chain or branched alkyl group having 1 to 18 carbon atoms; R3 represents hydrogen, hydroxyl group, straight-chain or branched alkyl group having 1 to 4 carbon atoms, or an C6-C14 aryl group; L is a linking moiety representing amine (—NH—) group, amide (—C(O)NH—) group, urea (—NHC(O)NH—) group, urethane (—OC(O)NH—) group or methylene (—CH2—) group; R4, R5 and R6 independent of one another, represents hydrogen, straight-chain or branched, alkyl group having 1 to 8 carbon atoms or polydimethylsiloxane group; and R7 represents hydrogen or methyl group.

    FLAME-RETARDANT POLYESTER COMPOSITIONS AND THE USE THEREOF

    公开(公告)号:US20210061990A1

    公开(公告)日:2021-03-04

    申请号:US16644591

    申请日:2018-08-29

    摘要: The invention relates to flame-retardant polyester compositions comprising thermoplastic polyester as component A, fillers and/or reinforcers as component B, phosphinic salt of the formula (I) as component C in which R1 and R2 are ethyl, M is Al, Fe, TiOp or Zn, m is 2 to 3, and p=(4−m)/2 compound selected from the group of the Al, Fe, TiOp and Zn salts of ethylbutylphosphinic acid, of dibutylphosphinic acid, of ethylhexylphosphinic acid, of butylhexylphosphinic acid and/or of dihexylphosphinic acid as component D phosphonic salt of the formula II as component E in which R3 is ethyl, Met is Al, Fe, TiOq or Zn, n is 2 to 3, and q=(4−n)/2, inorganic phosphonate as component F, and wax selected from the group consisting of the polyolefin waxes, amide waxes, natural waxes, long-chain aliphatic carboxylic acids and/or esters or salts thereof as component G. The polyester compositions can be used for production of fibers, films and moldings, especially for uses in the electricals and electronics sector.

    Use of an additive composition for the preparation of polycondensation polymers

    公开(公告)号:US10920069B2

    公开(公告)日:2021-02-16

    申请号:US16313234

    申请日:2017-06-12

    摘要: The present invention relates to the use of an additive composition for the preparation of polycondensation polymers wherein the additive combination is present in the polycondensation reaction and wherein the additive combination comprises one or more compounds of the formula (A) wherein R11, R12, R13, R14, R15, R16, R17, and R18 are independently selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert.-butyl, linear or branched pentyl, linear or branched hexyl, linear or branched heptyl, linear or branched octyl or linear and branched nonyl groups, and R21 and R22 are independently selected from the group consisting of hydrogen, methyl, O(C1-C6-Acyl) and O—R3, wherein R3 is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, tert.-butyl linear or branched pentyl, linear or branched hexyl, linear or branched heptyl, linear or branched octyl or linear and branched nonyl groups, and one or more sterically hindered organic phosphorous(lll) compounds selected from the group consisting of sterically hindered phenyl phosphonites and sterically hindered phosphites.