中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

10 records (took 0.02 seconds)

    Biologically degradable polyesters useful for bristle production includes specified acid component, diol component and component selected from dihydoxy compound
    3.
    发明专利
    Biologically degradable polyesters useful for bristle production includes specified acid component, diol component and component selected from dihydoxy compound 未知

    公开(公告)号：DE19848505A1

    公开(公告)日：2000-04-27

    申请号：DE19848505

    申请日：1998-10-21

    Applicant: BASF AG

    Inventor： WITT UWE ,  SKUPIN GABRIEL ,  WORF GUENTHER

    IPC: A46D1/00 ,  C08G63/199 ,  C08G63/672 ,  C08G69/44 ,  D01F6/84 ,  C08G63/181 ,  C08G63/60 ,  D01F6/92

    Abstract: The use of biologically degradable polyesters for the manufacture of bristles is new. The polyesters are partially aromatic polyesters containing: (A) an acid component from: (a1) 30-95 mol% of at least one aliphatic or at least one cycloaliphatic dicarboxylic acid, an ester forming derivative of this, or their mixtures, (a2) 5-70 mol% of at least one aromatic dicarboxylic acid, an ester forming derivative of this, or their mixtures, and (a3) 0-5 mol% of sulfonate group containing compounds; (B) a diol component selected from at least one 2-12C alkanediol and at least one 5-10C cycloalkanediol or their mixtures, and optionally one or more components selected from: (C) a component selected from (c1) at least one ether function containing dihydroxy compound of formula (I). HO-((CH2)n-O)m-H (I) HO-(-C(O)-G-O-)pH (IIa) n = 2,3, or 4, and m = 2-250, (c2) at least one hydroxycarboxylic acid of formula (IIa) or (IIb): p = 1-1500, r = 1-4, and G = a residue selected from phenylene, -(H2)q-, where q = 1-5, -C(R)H-, and -C(R)HCH2, where R = Me or Et, (c3) at least one 2-12C aminoalkanol or at least one 5-10C aminocycloalkanol, or their mixtures, (c4) at least one 1-8C aminoalkane, (c5) at least one 2,2-bisoxazoline of formula (III): where R = a single compound, (CH2)z alkylene, where z = 2,3, or 4, or phenylene, (c6) at least one aminocarboxylic acid selected from a group consisting of natural amino acids, polyamides of maximum molecular weight 18000 g/mole, obtainable by polycondensation of a 4-6C dicarboxylic acid and a 4-10C diamine, compounds of formula (IVa): and IVb): where s = 1-1500, t = 1-4, and T = a residue selected from phenylene, -(CH2)n-, where n = 1-12, -C(R )H-, and -C(R )HCH2, where R = Me, Et, or polyoxazoline with the recurring unit (V): where R = H, 1-6C alkyl, 5-8C cycloalkyl, optionally substituted with 1-4X alkyl up to 3-fold substituted with phenyl or = tetrahydrofuryl, or mixtures of (c1) to (c6); (D) a component selected from: (d1) at least one compound with at least 3 ester forming groups, (d2) at least one isocyanate, (d3) at least one divinylether, or mixtures of (d1) to (d3). An Independent claim is included for bristles obtainable by biological degradation of polyesters.

Patent Agency Ranking