Poly:amide based thermoplastic moulding composition

    公开(公告)号:DE19714900A1

    公开(公告)日:1998-10-15

    申请号:DE19714900

    申请日:1997-04-10

    Applicant: BASF AG

    Abstract: A thermoplastic moulding composition (I) contains (A) 10-98 wt.% polyamide (B) 1-20 wt.% red phosphorous (C) 0.1-15 wt.% delaminated layer silicate (phyllosilicate) (D) 0-70 wt.% additional additives and processing aids. An article (II) prepared from the composition (I) is also claimed. Preferably the composition (I) contains 5-40 wt.% fibrous reinforcement as component (D). The polyamide (A) contains at least 5 wt.% units resulting from lactam monomers. (A) comprises 5-95 wt.% (A1) polyamide 6 and 5-95 wt.% (A2) a different polyamide. (A) is polyamide 6, polyamide 12, polyamide 6/66, polyamide 6/6T, polyamide 6/6I, polyamide 66, polyamide 610 and /or polyamide 46. The layer silicate (C) is montmorillonite, smectite, illite, sepiolite, polygorskite, muscovite, allevardite, amesite, hectorite, talc, fluorhectorite, beidellite, nontronite, stevensite, bentonite, mica, vermiculite, fluorvermiculite, halloysite and/or fluorine containing synthetic talc. The moulded article (II) has a layer structure equivalent to 1--2-1-n-Z; 1 = the thermoplastic matrix; and 2 = the delaminated layer silicate, having preferably a 40 deg A gap between layers.

    MULTIMODAL POLYAMIDES, POLYESTERS AND POLYESTERAMIDES

    公开(公告)号:MY134299A

    公开(公告)日:2007-12-31

    申请号:MYPI20022277

    申请日:2002-06-18

    Applicant: BASF AG

    Abstract: A THERMOPLASTIC POLYMER MIXTURE COMPRISING M POLYMERS Pn, WHERE M IS A NATURAL NUMBER GREATER THAN 1 AND N IS A NATURAL NUMBER FROM 1 TO M, WHERE N IS A NATURAL NUMBER FROM 1 TO M, WHERE EACH OF THE POLYMERS HAS ONE OR MORE FUNCTIONAL GROUPS OF THE STRUCTURE-(R1)X -C(O) -(R2)Y ?PRESENT AS REPEAT UNITS IN THE MAIN CHAIN OF POLYMER PnWHEREx AND y, INDEPENDENTLY OF ONE ANOTHER, ARE 0 OR 1, AND x + y = 1R1 AND R2, INDEPENDENTLY OF ONE ANOTHER, ARE OXYGEN OR NITROGEN BONDED INTO'' THE MAIN POLYMER CHAIN,WHERE IN THE DIFFERENTIAL DISTRIBUTION CURVE W(M) DETER- MINED TO DIN 55672-2 IN HEXAFLUOROISOPROPANOL AS ELUENT THE POLYMER MIXTURE HAS AT LEAST TWO MAXIMA OF THE RELATIVE FREQUENCY W,AND AFTER AGING OF THE POLYMER MIXTURE AT THE MELTING POINT OF THE POLYMER MIXTURE DETERMINED TO ISO 11357-1 AND 11357-3 FOR 5 MINUTES, THE POLYMER MIXTURE HAS IN THEDIFFERENTIAL DISTRIBUTION CURVE W(M) DETERMINED TO DIN 55672-2 IN HEXAFLUOROISOPROPANOL AS ELUENT AT LEAST 2 MAXIMA OF THE RELATIVE FREQUENCY W, ANDTHE POSITION OF THE MAXIMA HERE AFTER AGING OF THE POLYMER MIXTURE AT THE MELTING POINT OF THE POLYMER MIXTURE IS WITHIN THREE TIMES THE RECURRENT STANDARD DEVIATION SIGMA(R) OF MP IN PERCENTAGE OF THE VALUE MEASURED TO DIN 55672-2, BASED ON THE POSITION OF THE MAXIMA PRIOR TO AGING OF THE POLYMER MIXTURE AT THE MELTING POINT OF THE POLYMER MIXTURE.

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