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    2.
    发明专利
    未知

    公开(公告)号：ES2059415T3

    公开(公告)日：1994-11-16

    申请号：ES88104301

    申请日：1988-03-18

    Applicant: BASF AG

    Inventor： MATZKE GUENTER DR ,  HORN PETER DR ,  SCHMIDT HANS ULRICH

    IPC: C08G18/30 ,  B29C45/00 ,  C08G18/00 ,  C08G18/10 ,  C08G18/32 ,  C08G18/50 ,  C08G18/65 ,  C08G18/66 ,  C08G18/80 ,  C08G65/32

    Abstract: The subject of this invention is elastomers containing polyamide groups and polyurea groups in bonded form, which are prepared by the reaction of (a) at least one organic polyisocyanate and/or a modified polyisocyanate mixture having an NCO content of from 8 to 33.6 weight percent, (b) at least one polyazomethine and (c) at least one alkyl-substituted aromatic polyamine having a molecular weight up to 500, in the presence of or in the absence of (d) catalysts, whereby reaction products of polyoxyalkylenepolyamines, having a functionality of from 2 to 4 and an average molecular weight of from 180 to 10,000 and at least one organic aldehyde and/or preferably ketone, are used as the polyazomethines.

    Void-free two-part polyurethane adhesive for bonding - by reaction of poly-isocyanate with poly:azo:methine(s) obtd. from aldehyde(s) or ketone(s) and 2-4 functional polyoxyalkylene-polyaminee(
    3.
    发明专利
    Void-free two-part polyurethane adhesive for bonding - by reaction of poly-isocyanate with poly:azo:methine(s) obtd. from aldehyde(s) or ketone(s) and 2-4 functional polyoxyalkylene-polyaminee( 未知

    公开(公告)号：DE4006537A1

    公开(公告)日：1991-09-05

    申请号：DE4006537

    申请日：1990-03-02

    Applicant: BASF AG

    Inventor： VORSPOHL KLAUS DR ,  MATZKE GUENTER DR

    IPC: C08G18/32 ,  C08G18/50 ,  C09J175/04

    Abstract: Two-component adhesives (I) are claimed, which are obtd. by reaction of (a) opt. modified polyisocyanate(s) with (b) poly-azomethine(s) in the presence of (c) auxiliary substances and/or additives; (b) are reaction prods. of polyoxyalkylene-polaymines with functionality 2-4 and mol.wt. 180-10,000 (II) and aldehyde(s) and/or ketone(s) (III). Pref. (b) are polyketimines (IV) obtd. by reaction of (II) (with mol.wt. 220-5500) with (cyclo)aliphatic ketones, pref. mixts. of (II) and (IV) contg. not above 20% prim. amino gps. from (II) and at least 80% ketimine gps. from (IV) as above; (II) are polyoxypropylene-polyoxyethylene-polyamines or polyoxypropylene-polyamines; (b) are used in the form of a mixt. with at least difunctional poly-hydroxy cpds. (V), in which at least 40% of the NCO-reactive gps. are aldimine and/or ketimine gps.; (V) are high-mol. wt. polyoxyalkylene-polyols, high-mol. wt. polyester-polyols or mixts. thereof with low-mol.wt. chain extenders and/or crosslinkers; NCO-reactive gps. are prim. amino and/or OH and aldimine and/or ketimine gps. (at least 40%); (a) contain (i) carbodi-imide and/or urethane gp.-contg. polyisocyanates contg. 33.6-8 wt.% NCO based on 4,4'-MDI or a mixt. thereof with 2,4'-MDI, and/or (ii) an NCO gp.-contg. prepolymer contg. 8-25 wt.% NCO obtd. by reaction of polyoxyalkylene-polyols with functionality 2-4 and mol.wt. 600-6000 with MDI as above; amts. of (a) and (b) are such that the ratio of NCO gps. in (a) to aldimine and/or ketimine gps. or to the sum of NCO-reactive gps. in (b) is (0.8:1)-(1.2:1).

    4.
    发明专利
    未知

    公开(公告)号：DE4000013A1

    公开(公告)日：1991-07-04

    申请号：DE4000013

    申请日：1990-01-02

    Applicant: BASF AG

    Inventor： BECKER JOHANNES DR ,  MATZKE GUENTER DR ,  SCHMIDT HANS ULRICH DIPL ING ,  SCHOENLEBEN WILLIBALD DR

    IPC: C08J9/14 ,  C08G18/10 ,  C08G18/30 ,  C08G18/50 ,  C08G18/66 ,  C08G18/76 ,  C08G18/79 ,  C08G18/80 ,  C08G65/32 ,  C08G65/331 ,  C08G65/338

    Abstract: The invention relates to a process for the production of elastic, compact or cellular mouldings based on elastomers containing bonded N-benzylurea groups, by reacting …… a) at least one organic and/or modified organic polyisocyanate with … b) N-benzylpolyoxyalkylenepolyamines or mixtures of N-benzylpolyoxyalkylenepolyamines and polyoxyalkylenepolyamines containing 2 to 4 primary amino groups and … c) at least one alkyl-substituted aromatic polyamine having a molecular weight of up to 500, in the presence or absence of … d) catalysts and optionally … e) blowing agents, … f) assistants and/or … g) additives, … and to the N-benzylpolyoxyalkylenepolyamines and mixtures of N-benzylpolyoxyalkylenepolyamines and polyoxyalkylenepolyamines containing 2 to 4 primary amino groups which can be used for this purpose, and to the elastomers prepared.

    6.
    发明专利
    未知

    公开(公告)号：ES2076283T3

    公开(公告)日：1995-11-01

    申请号：ES90123847

    申请日：1990-12-11

    Applicant: BASF AG

    Inventor： BECKER JOHANNES DR ,  MATZKE GUENTER DR ,  SCHMIDT HANS ULRICH ,  SCHOENLEBEN WILLIBALD DR

    IPC: C08J9/14 ,  C08G18/10 ,  C08G18/30 ,  C08G18/50 ,  C08G18/66 ,  C08G18/76 ,  C08G18/79 ,  C08G18/80 ,  C08G65/32 ,  C08G65/331 ,  C08G65/338

    Abstract: The invention relates to a process for the production of elastic, compact or cellular mouldings based on elastomers containing bonded N-benzylurea groups, by reacting …… a) at least one organic and/or modified organic polyisocyanate with … b) N-benzylpolyoxyalkylenepolyamines or mixtures of N-benzylpolyoxyalkylenepolyamines and polyoxyalkylenepolyamines containing 2 to 4 primary amino groups and … c) at least one alkyl-substituted aromatic polyamine having a molecular weight of up to 500, in the presence or absence of … d) catalysts and optionally … e) blowing agents, … f) assistants and/or … g) additives, … and to the N-benzylpolyoxyalkylenepolyamines and mixtures of N-benzylpolyoxyalkylenepolyamines and polyoxyalkylenepolyamines containing 2 to 4 primary amino groups which can be used for this purpose, and to the elastomers prepared.

    7.
    发明专利
    未知

    公开(公告)号：DE59007635D1

    公开(公告)日：1994-12-08

    申请号：DE59007635

    申请日：1990-12-11

    Applicant: BASF AG

    Inventor： BECKER JOHANNES DR ,  MATZKE GUENTER DR ,  SCHMIDT HANS ULRICH ,  SCHOENLEBEN WILLIBALD DR

    IPC: C08J5/00 ,  C08G18/50 ,  C08G18/66 ,  C08G18/76 ,  C08G18/79 ,  C08G18/80 ,  C08J9/14

    Abstract: The invention relates to a process for the production of elastic, compact or cellular moldings based on elastomers containing N-substituted urea and amide groups in bound form, by reacting a) one or more organic and/or modified organic polyisocyanate with b) a polyazomethine-containing polyoxyalkylene-polyamine mixture (b) which contains: bi) one or more polyoxyalkylene-polyaldimine and/or polyketimine, bii) one or more polyoxyalkylene-polyamine containing terminal secondary amino groups, and, if desired, biii) one or more polyoxyalkylene-polyamine containing terminal primary amino groups and c) one or more alkyl-substituted aromatic polyamine having a molcular weight of up to 500, in the presence or absence of d) catalyst, and, if appropriate, e) blowing agents, f) auxiliaries and/or g) additives, to polyazomethine containing polyoxyalkylene - polyamine mixtures which can be used for this purpose and to the prepared elastomers.

    9.
    发明专利
    未知

    公开(公告)号：DK0573873T3

    公开(公告)日：1998-02-23

    申请号：DK93108756

    申请日：1993-06-01

    Applicant: BASF AG

    Inventor： HINZ WERNER DR ,  BECKER JOHANNES DR ,  MALETZKO CHRISTIAN DR ,  MATZKE GUENTER DR

    IPC: C08G18/66 ,  C08G18/10 ,  C08G18/50 ,  C08G18/65 ,  C08G101/00 ,  C08J9/02 ,  C08J9/14

    Abstract: The invention relates to a process for the preparation of compact or cellulose elastomers containing urethane and urea groups by reacting a) at least one organic and/or modified organic polyisocyanate with b) at least one N-propoxylated polyoxyalkylene-polyamine containing at least 50% of secondary amino groups or a mixture of said N-propoxylated polyoxyalkylene-polyamines and polyoxyalkylene-polyamines having 2 to 4 primary amino groups and molecular weights of from 1,000 to 8,000, and c) at least alkyl-substituted aromatic polyamine having a molecular weight of up to 500, in the presence or absence of d) catalysts, and optionally e) blowing agents, f) auxiliaries and/or g) additives. om

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