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    12.
    发明专利
    未知

    公开(公告)号：DE3315382A1

    公开(公告)日：1984-10-31

    申请号：DE3315382

    申请日：1983-04-28

    Applicant: BASF AG

    Inventor： STRAEHLE WOLFGANG DR ,  BUETHE INGOLF DR ,  MARX MATTHIAS DR

    IPC: C07C69/80 ,  C08G18/42 ,  C08G18/48 ,  C08G65/26 ,  C08G65/32 ,  C08G18/14 ,  C08G18/18 ,  C08G18/20 ,  C08G18/66

    Abstract: 1. A process for preparing an elastic, compact or cellular polyurethane by reacting a) an organic polyisocyanate with b) an organic polyhydroxy compound in the presence of c) a catalyst and optionally d) a chain extending or crosslinking agent, e) a blowing agent, f) an assistand and/or an additive, wherein polyhydroxy compound b) comprises to an extent not less than 30% by weight, based on total component b), a di-, tri- or tetrafunctional polyether polyester polyol having a hydroxyl number of from 10 to 200 and having been prepared by esterification of i) a di-, tri- or tetrafunctional polyetherol having a hydroxyl number of from 15 to 250 with a carboxylic anhydride in the presence of N-methylimidazole and/or triethylenediamine as a catalyst to give a carboxylic monoester and subsequent ii) alkoxylation of the carboxylic monoester with an alkylene oxide in the presence of a mixture of N-methylimidazole and/or triethylenediamine and triphenylphosphine and/or a thiodialkylene glycol as a catalyst, the amount of catalyst being from 0.05 to 2.0 parts by weight, based on 100 parts by weight of the mixture of polyol and carboxylic anhydride or on 100 parts by weight of carboxylic monoester.

    13.
    发明专利
    未知

    公开(公告)号：DE3669723D1

    公开(公告)日：1990-04-26

    申请号：DE3669723

    申请日：1986-05-30

    Applicant: BASF AG

    Inventor： MUELLER GERHARD DR ,  MARX MATTHIAS DR ,  JARRE WOLFGANG DR ,  BAUMANN EDWIN ,  BUETHE INGOLF DR

    IPC: C08G18/10 ,  C08G18/32 ,  C08G18/48 ,  C08J9/00

    Abstract: The invention is a process for the preparation of elastic polyurethane flexible foams having densities from approximately 25 to 60 kg/m3, and producing molded articles in closed molds at temperatures from 25 DEG to 80 DEG C., comprising reacting (A) an organic polyisocyanate prepolymer having an isocyanate content from 6 to 20 percent by weight prepared by reacting a toluene diisocyanate and/or a diphenylmethane diisocyanate with a di- to tetrafunctional polyether polyol having a hydroxyl number from 20 to 50 and oxyethylene terminal group content of at least 10 to 30 percent by weight (B) a mixture of compounds containing reactive hydrogen atoms, comprising a mixture of (a) from 55 to 89.5 parts by weight of at least one di- to tetrafunctional polyether polyol having a hydroxyl number of from 20 to 80 and less than 10 percent by weight terminal oxyethylene groups, (b) from 0.5 to 20 parts by weight of at least one alkanolamine, and (c) from 10 to 25 parts by weight water, in the presence of (C) a blowing agent, (D) a catalyst, and optionally (E) auxiliaries and/or additives.

    14.
    发明专利
    未知

    公开(公告)号：DE3342864A1

    公开(公告)日：1985-06-05

    申请号：DE3342864

    申请日：1983-11-26

    Applicant: BASF AG

    Inventor： BUETHE INGOLF DR ,  MARX MATTHIAS DR ,  SCHOENLEBEN WILLIBALD DR

    IPC: C07C265/12 ,  C07C275/28 ,  C08G18/10 ,  C08G18/32 ,  C08G18/42 ,  C08G18/44 ,  C08G18/48 ,  C08G18/50 ,  C08G18/56 ,  C08G18/60 ,  C08G18/72 ,  C08G18/78 ,  C08G18/80 ,  C08L75/00 ,  C08L75/04 ,  C08G18/14 ,  C08J9/00

    Abstract: The invention relates to urea group-containing polyisocyanate mixtures which are liquid at room temperature and have an isocyanate group content of from 15 to 30 weight percent and a diphenylmethane diisocyanate content of from 55 to 90 weight percent, obtained through the reaction of (A) polyoxyalkylene polyamines having a functionality of from 2 to 5 and an amine number from 20 to 250 with a polyisocyanate (B) selected from the group consisting of (B1) a mixture of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates having a diphenylmethane diisocyanate content of from 55 to 90 weight percent or (B2) at least one diphenylmethane diisocyanate isomer. The polyisocyanate mixtures claimed in the invention are used to prepare dense or cellular polyurethane and/or polyisocyanurate plastics, in particular, flexible polyurethane foams.

    ACYLPHOSPHINE OXDE COMPOUNDS, THEIR PREPARATION AND USE
    15.
    发明专利
    ACYLPHOSPHINE OXDE COMPOUNDS, THEIR PREPARATION AND USE 未知

    公开(公告)号：DE2967264D1

    公开(公告)日：1984-11-22

    申请号：DE2967264

    申请日：1979-07-09

    Applicant: BASF AG

    Inventor： LECHTKEN PETER DR ,  BUETHE INGOLF DR ,  JACOBI MANFRED DR ,  TRIMBORN WERNER DR

    IPC: C07F9/32 ,  C07F9/40 ,  C07F9/46 ,  C07F9/48 ,  C07F9/53 ,  C07F9/58 ,  C08F2/50 ,  C08F4/00 ,  C08F4/32 ,  C08K5/53 ,  G03F1/88 ,  G03F7/029 ,  C07F9/65 ,  G03C1/68 ,  G03F1/02

    Abstract: Acylphosphine oxide compounds of the general formula where R1 is alkyl, cyclohexyl, cyclopentyl, aryl which is unsubstituted or substituted by halogen, alkyl or alkoxy, or an S-containing or N-containing five-membered or six-membered heterocyclic radical, R2 has one of the meanings of R1 (but R1 and R2 may be identical or different) or is alkoxy, aryloxy or aralkoxy, or R1 and R2 together form a ring and R3 is an at least disubstituted phenyl, pyridyl, furyl or thienyl radical which carries, at least at the two carbon atoms adjacent to the linkage point of the carbonyl group, the substituents A and B, which may be identical or different, and each of which is alkyl, alkoxy or alkylthio of 1 to 6 carbon atoms, cycloalkyl of 5 to 7 carbon atoms, phenyl or halogen, or R3 is alpha -naphthyl substituted by A and B at least in the 2- and 8-positions or is beta -naphthyl substituted by A and B at least in the 1- and 3-positions, a process for the preparation of these acylphosphine oxide compounds from acid halides of the general formula where X is chlorine or bromine, and a phosphine of the general formula and the use of these acylphosphine oxide compounds as photoinitiators in photopolymerizable surface coatings, finishes and printing inks.

    PROCESS FOR THE PRODUCTION OF ELASTIC, COMPACT OR CELLULAR POLYURETHANES
    18.
    发明专利
    PROCESS FOR THE PRODUCTION OF ELASTIC, COMPACT OR CELLULAR POLYURETHANES 未知

    公开(公告)号：DE3477387D1

    公开(公告)日：1989-04-27

    申请号：DE3477387

    申请日：1984-04-25

    Applicant: BASF AG

    Inventor： STRAEHLE WOLFGANG DR ,  BUETHE INGOLF DR ,  MARX MATTHIAS DR

    IPC: C07C69/80 ,  C08G18/42 ,  C08G18/48 ,  C08G65/26 ,  C08G65/32

    Abstract: 1. A process for preparing an elastic, compact or cellular polyurethane by reacting a) an organic polyisocyanate with b) an organic polyhydroxy compound in the presence of c) a catalyst and optionally d) a chain extending or crosslinking agent, e) a blowing agent, f) an assistand and/or an additive, wherein polyhydroxy compound b) comprises to an extent not less than 30% by weight, based on total component b), a di-, tri- or tetrafunctional polyether polyester polyol having a hydroxyl number of from 10 to 200 and having been prepared by esterification of i) a di-, tri- or tetrafunctional polyetherol having a hydroxyl number of from 15 to 250 with a carboxylic anhydride in the presence of N-methylimidazole and/or triethylenediamine as a catalyst to give a carboxylic monoester and subsequent ii) alkoxylation of the carboxylic monoester with an alkylene oxide in the presence of a mixture of N-methylimidazole and/or triethylenediamine and triphenylphosphine and/or a thiodialkylene glycol as a catalyst, the amount of catalyst being from 0.05 to 2.0 parts by weight, based on 100 parts by weight of the mixture of polyol and carboxylic anhydride or on 100 parts by weight of carboxylic monoester.

    PROCESS FOR THE PREPARATION OF ESTERS OF (METH)-ACRYLIC ACID, AND THEIR USE
    19.
    发明专利
    PROCESS FOR THE PREPARATION OF ESTERS OF (METH)-ACRYLIC ACID, AND THEIR USE 未知

    公开(公告)号：DE3476535D1

    公开(公告)日：1989-03-09

    申请号：DE3476535

    申请日：1984-04-30

    Applicant: BASF AG

    Inventor： SCHORNICK GUNNAR DR ,  BUETHE INGOLF DR ,  JACOBI MANFRED DR ,  LENZ WERNER DR ,  LEHNERER WOLFGANG DR

    IPC: C07C67/08 ,  C07C67/26 ,  C07C69/54 ,  C08F290/06 ,  C08G63/47 ,  C08G65/332 ,  C09D4/00 ,  C09D163/00 ,  C09D167/06 ,  C09D3/80

    Abstract: 1. A process for preparing an ester of acrylic or methacrylic acid with a hydroxyl-containing organic compound, which comprises esterifying a saturated polyester which contains no fewer than 2 free hydroxyl groups per molecule and may contain ether groups or a saturated polyether which contains no fewer than 2 free hydroxyl groups per molecule, this polyester or polyether having an average molecular weight ~Mn of from 400 to 4,000, with from 100 to 150 mol %, based on the OH groups of the polyester or polyether, of acrylic acid or methacrylic acid in the presence of an acidic esterification catalyst and one or more hydrocarbons forming an azeotropic mixture with water and a small amount of a polymerization inhibitor at elevated temperature with azeotropic removal of the resulting water, after the esterification removing the hydrocarbon by distillation and after neutralization of the esterification catalyst reacting the remaining acrylic or methacrylic acid with an amount, equivalent to the acid number, of an epoxy compound having no fewer than two epoxy groups per molecule until an acid number =

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