Agent for surface modification of fillers for polyamide composition comprises selected functionalized silane compounds

    公开(公告)号:DE19961973A1

    公开(公告)日:2001-06-28

    申请号:DE19961973

    申请日:1999-12-22

    Applicant: BASF AG

    Abstract: An agent for the surface modification of fillers for polyamide compositions comprises: (A) an amino-functional silane, a bis-aminosilane a tertiary aminosilane or an oligomer of these; (B) a mixture of an amino-functional silane, bis-aminosilane and/or tertiary aminosilane and an alkyl-, alkenyl- or polyether-functional silane and optionally an oligomer of these; or (C) a mixture of an alkyl-functional silane and an alkenyl-functional silane and optionally an oligomer of these. An agent for the surface modification of fillers for polyamide compositions comprises either: (A) an agent comprising: (i) an amino-functional silane of formula (Ia); (ii) a bis-aminosilane (Ib); (iii) a tertiary aminosilane (Ic); or an oligomer of (Ia)-(Ic) with a degree of oligomerization (DO) of 2-20; (B) a mixture of: (i) a component comprising (a) an amino-functional silane of formula (IIa), (b) a secondary aminosilane (IIb) and/or (c) a tertiary aminosilane (IIc); and (ii) a component comprising either (a) an alkyl-functional silane of formula (III), (b) an alkenyl-functional silane of formula (IV), (c) a polyether-functional silane of formula (V); and optionally (iii) an oligomer of (IIa)-(IIc) and (III)-(V) with a DO of 2-20; or (C) a mixture of: (i) an alkyl-functional silane of formula (IIIa); and (ii) an alkyl-functional silane of formula (IV); and optionally (iii) an oligomer of (IIIa) and (IV) with a DO of 2-20. RNH-(CH2)3-Si(Me)x(Z)3-x (Ia) Z = 1-3C alkoxy, OH or Cl; x = 0 or 1; and R = 1-20C alkyl, 5-12C cycloalkyl or 6-12C aryl. R-Si(Me)x(Z)3-x (IIa) Z = 1-3C alkoxy, OH or Cl; x = 0 or 1; R = H2N((CH2)2NH)y(CH2)3; and y = 0-2. R'-Si(Me)x(Z)3-x (IIIa) Z = 1-3C alkoxy, OH or Cl; x = 0-1; and R' = optionally fluorinated 1-16C alkyl or cycloalkyl. CH2=CH(CH2)n-Si(Me)x(Z)3-x (IV) Z = 1-3C alkoxy, OH or Cl; x = 0 or 1; and n = 0-20. R(OCH2CHR')nO(CH2)mSi (Me)x(Z)3-x (V) z = 1-3C alkoxy, OH or Cl; x = 0 or ; R = 1-4C alkyl; R' = H or Me; n = 5-20; and m = 2 or 3. Independent claims are also included for the following: (1) a filler surface-modified with the above agent; (2) an article comprising the surface-modified filler; (3) a filled polyamide composition produced using the surface-modified filler; and (4) an article based on the filled polyamide composition.

    15.
    发明专利
    未知

    公开(公告)号:DE19630787A1

    公开(公告)日:1998-02-05

    申请号:DE19630787

    申请日:1996-07-31

    Applicant: BASF AG

    Abstract: A process for the production of polyurethanes (PUR) with improved curing properties, by reacting (a) unmodified and/or modified di- and/or poly-isocyanates with (b) polyether-polyols based on aromatic amines and obtained by stepwise alkylene oxide addition using special amine combinations (b1) and optionally other co-initiators, optionally together with other high-mol.wt. compounds with at least two reactive hydrogens, and optionally (c) chain extenders and/or crosslinkers, in presence of (d) blowing agents, (e) catalysts and (f) other additives etc. (b1) comprises a mixture of amines of the diphenylmethane series (MDA), containing amines with 4, 3, more than 4, and 2 nuclei in amounts of 5-20, 15-30, 20-35 and 25-50 wt% respectively (total 100 wt%), in combination with other aromatic amines.

    18.
    发明专利
    未知

    公开(公告)号:DE4318962A1

    公开(公告)日:1994-12-15

    申请号:DE4318962

    申请日:1993-06-08

    Applicant: BASF AG

    Abstract: The invention relates to a process for the production of rigid polyurethane foams by reacting a) organic and/or modified organic polyisocyanates with b) at least one relatively high-molecular-weight compound containing at least two reactive hydrogen atoms, and optionally c) low-molecular-weight chain extenders and/or crosslinking agents, in the presence of d) blowing agents, e) catalysts and optionally f) auxiliaries and/or additives, where the relatively high-molecular-weight compounds containing at least two reactive hydrogen atoms (b) are polyoxyproylene-polyols and/or polyoxyethylene-polyoxypropylene-polyols containing up to 20 % by weight, based on the weight of the alkylene oxide units, of pendant oxyethylene units containing secondary hydroxyl groups, and having a functionality of from 3.8 to 4.1, a hydroxyl number of from 385 to 410 mg of KOH/g, a viscosity of from 1,700 to 2,400 mPas at 25@C, preparable by anionic polymerisation of 1,2-propylene oxide and, where appropriate, ethylene oxide onto an initiator (starter) molecule mixture comprising sucrose, pentaerythritol and diethylene glycol.

    19.
    发明专利
    未知

    公开(公告)号:AT260309T

    公开(公告)日:2004-03-15

    申请号:AT97111491

    申请日:1997-07-08

    Applicant: BASF AG

    Abstract: A process for the production of flexible polyurethane foam comprises reacting: (a) optionally modified polyisocyanates with: (b) compounds with reactive hydrogens, and (c) optionally chain extenders and/or crosslinkers, in presence of: (d) blowing agents, (e) catalysts, (f) fire retardants, and optionally: (g) other additives etc. At least 10 wt% of the compounds used in this process comprises polyether-polyols obtained by base-catalysed reaction of lower alkylene oxides with hydroxy-functional starters and subjected, during or after alkylene oxides-addition and with a water content of not more than 0.1 wt.%, to distillation at temperatures above 49 degrees C.

    20.
    发明专利
    未知

    公开(公告)号:DE59610390D1

    公开(公告)日:2003-06-05

    申请号:DE59610390

    申请日:1996-05-30

    Applicant: BASF AG

    Abstract: The prodn. of aromatic polyether-polyols (I) comprises alkoxylation at 70-135 degrees C and 0.1-1.0 MPa of an H-functional starter consisting of a mixt. of at least 95 wt% 2,3- and 3,4- toluylenediamine (TDA), 0.5-4 wt% 2,4- and 2,6-TDA and 0.1-1.5 wt% volatile fractions from TDA prodn. Also claimed are polyols (I) obtd. by this process.

Patent Agency Ranking