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    21.
    发明专利
    未知

    公开(公告)号：DE19742013A1

    公开(公告)日：1999-03-25

    申请号：DE19742013

    申请日：1997-09-24

    Applicant: BASF AG

    Inventor： HEINZ MARION ,  WIEGMANN WERNER ,  ROTERMUND UDO DR ,  BIEDERMANN ANJA DR ,  REICHELT MICHAEL

    IPC: C08J9/02 ,  C08G18/28 ,  C08G18/48 ,  C08G18/66 ,  C08G101/00 ,  C08J9/14 ,  C08G18/36 ,  C08G18/42 ,  C08G18/79 ,  F25D23/06 ,  F16L59/00

    Abstract: In a process for producing open-celled rigid foams by reacting a) polyisocyanates with b) compounds containing hydrogen atoms which are reactive toward isocyanates, in the presence of c) water, d) if desired, organic compounds acting as physical blowing agents, e) catalysts, auxiliaries and/or additives, the compounds containing reactive hydrogen atoms used are substances having the structure I: is 0-1 q is 0-15 r is 0-1 s is 0-15 t is 0-1 u is 0-10 v is 0-15 x is 1-5 y is 1-4 or mixtures of 1-3 where r+n NOTEQUAL 0 z is 0-3 zi is 0.1-3 R1 is an aliphatic structure without OH groups based on the structure of polyhydric alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol and dipropylene glycol, 1,4-butanediol, 1,6-hexanediol, neopentyl glycol, 1,3-butanediol, trimethylolpropane, trimethylolethane, glycerol, pentaerythritol, where these substances can also be used in the esterification as any mixture among one another and R1 can therefore also be a mixture of the corresponding structures, R2 is the radical of a polycarboxylic acid without COOH groups, eg. adipic acid, terephthalic acid, o-phthalic acid, R3 is an alcohol radical like R1.

    22.
    发明专利
    未知

    公开(公告)号：DE19742010A1

    公开(公告)日：1999-03-25

    申请号：DE19742010

    申请日：1997-09-24

    Applicant: BASF AG

    Inventor： ROTERMUND UDO DR ,  HEINZ MARION ,  BIEDERMANN ANJA DR ,  HEMPEL RENATE ,  WIEGMANN WERNER

    IPC: C08J9/00 ,  C08G18/00 ,  C08G18/28 ,  C08G18/34 ,  C08G18/36 ,  C08G18/40 ,  C08G18/42 ,  C08G18/65 ,  C08G18/66 ,  C08G101/00 ,  C08J9/08 ,  C08J9/14 ,  C09K23/34 ,  C08L75/06 ,  C08J9/18 ,  C08G18/48 ,  B01F17/34

    Abstract: Storage-stable emulsion, used in the manufacture of fine celled hard foamed materials, contains a polyester alcohol propellant of specified formula as emulsifier. Emulsion contains: (a) compounds containing hydrogen atoms reactive towards isocyanates; (b) a polyester alcohol propellant of formula (I) as emulsifier; and (c) usual polyurethane catalysts, auxiliary aids and/or additives. (b) is emulsified in components (b) and (c). m = 0-15; n = 0-1; o = 0-15; p = 0-1; q = 0-15; r = 0-1; s = 0-15; t = 0-1; u = 0-10; v = 0-15; x = 1-5; y = 1-4 or mixtures between 1-3 with r + n is not 0; R1 = aliphatic structure based on the structure of multivalent alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol 1,2-propylene glycol, and dipropylene glycol; 1,4-butane diol, 1,6-hexane diol, neopentyl glycol, 1,3-butane diol, trimethylol propane, trimethylol ethane, glycerin, pentaerythrite; R2 = polycarboxylic acid without COOH groups, e.g. adipic acid, terephthalic acid, or o-phthalic acid; and R3 = alcohol as in R1.

    23.
    发明专利
    未知

    公开(公告)号：DE19709867A1

    公开(公告)日：1998-09-17

    申请号：DE19709867

    申请日：1997-03-11

    Applicant: BASF AG

    Inventor： HENSIEK RAINER ,  MALOTKI PETER VON DR ,  REICHELT MICHAEL ,  ROTERMUND UDO DR

    IPC: C08G18/66 ,  C08J9/14 ,  C08L75/06 ,  C08L75/08 ,  C08L75/12 ,  C08K5/01 ,  C08G18/40 ,  C08G18/65 ,  C09K21/14 ,  F16L59/14 ,  E04B1/74

    Abstract: The production of flameproofed rigid isocyanate-based foam (I) by reacting (a) polyisocyanates and/or modified polyisocyanates with (b) high-mol. wt. compound(s) with at least two reactive hydrogens and optionally (c) low-mol. wt. chain-extenders and/or crosslinkers in presence of (d) fire retardants, (e) water, (f) blowing agents and (g) other additives etc. Component (f) consists of a mixture of (f-1) at least one liquid (at room temperature) hydrocarbon with 5 or more carbon atoms and (f-2) at least one gaseous hydrocarbon with 4 carbon atoms or fewer. Also claimed is a blowing agent mixture for the production of (I), consisting of mixture (f) as above and the carbon dioxide from the isocyanate/water reaction.

    26.
    发明专利
    未知

    公开(公告)号：DE50309195D1

    公开(公告)日：2008-04-03

    申请号：DE50309195

    申请日：2003-11-13

    Applicant: BASF AG

    Inventor： HEINZ MARION ,  ROTERMUND UDO DR ,  HUNTEMANN PETER ,  SCHILLING UDO

    IPC: C08G18/48 ,  C08G18/08 ,  C08G18/66 ,  C08G18/76 ,  C08K7/28 ,  F16L59/14

    Abstract: Isocyanate adducts (I) made by reacting polyisocyanate(s) with compounds containing at least 2 NCO-reactive hydrogens, showing a crystallinity of less than 10 J/g by DSC, and an aromatics content of less than 31 wt.%, given as carbon atoms in aromatic rings. An Independent claim is also included for a method for the production of (I) by reacting (a) at least difunctional isocyanates with (b) compound(s) with at least 2 NCO-reactive H atoms in presence of (c) catalysts, in which (b) comprise (bi) polyether-polyol(s) with a functionality of more than 2.5 and a mol. wt. of more than 300 (preferably 300-1000) and (bii) polyol(s) with a functionality of 1.7-3 and a mol. wt. of more than 1000, and the reaction is carried out with an isocyanate index of less than 200.

    27.
    发明专利
    未知

    公开(公告)号：AT283877T

    公开(公告)日：2004-12-15

    申请号：AT98117893

    申请日：1998-09-22

    Applicant: BASF AG

    Inventor： ROTERMUND UDO DR ,  HEINZ MARION ,  BIEDERMANN ANJA ,  HEMPEL RENATE E ,  WIEGMANN WERNER

    IPC: C08J9/00 ,  C08G18/00 ,  C08G18/28 ,  C08G18/34 ,  C08G18/36 ,  C08G18/40 ,  C08G18/42 ,  C08G18/65 ,  C08G18/66 ,  C08G101/00 ,  C08J9/08 ,  C08J9/14 ,  C09K23/34

    Abstract: Storage-stable emulsion, used in the manufacture of fine celled hard foamed materials, contains a polyester alcohol propellant of specified formula as emulsifier. Emulsion contains: (a) compounds containing hydrogen atoms reactive towards isocyanates; (b) a polyester alcohol propellant of formula (I) as emulsifier; and (c) usual polyurethane catalysts, auxiliary aids and/or additives. (b) is emulsified in components (b) and (c). m = 0-15; n = 0-1; o = 0-15; p = 0-1; q = 0-15; r = 0-1; s = 0-15; t = 0-1; u = 0-10; v = 0-15; x = 1-5; y = 1-4 or mixtures between 1-3 with r + n is not 0; R1 = aliphatic structure based on the structure of multivalent alcohols, preferably ethylene glycol, diethylene glycol, triethylene glycol 1,2-propylene glycol, and dipropylene glycol; 1,4-butane diol, 1,6-hexane diol, neopentyl glycol, 1,3-butane diol, trimethylol propane, trimethylol ethane, glycerin, pentaerythrite; R2 = polycarboxylic acid without COOH groups, e.g. adipic acid, terephthalic acid, or o-phthalic acid; and R3 = alcohol as in R1.

    28.
    发明专利
    未知

    公开(公告)号：AT276298T

    公开(公告)日：2004-10-15

    申请号：AT98118033

    申请日：1998-09-23

    Applicant: BASF AG

    Inventor： ROTERMUND UDO DR ,  HEMPEL RENATE ,  SEIFERT HOLGER DR ,  SCHMIADE WERNER

    IPC: C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/66 ,  C08G18/67 ,  C08G101/00 ,  C08J9/14

    Abstract: Emulsions containing polyether alcohols and polyester alcohols are used in the production of hard foams based on isocyanates to improve the temperature stability of the foams. Temperature-stable hard foams based on isocyanates are produced by reacting (a) polyisocyanates with (b) compounds with at least two hydrogen atoms reactive with isocyanate groups and (c) water in the presence of (d) propellants and optionally catalysts and auxiliary aids and additives. (b) comprises (bi) a polyether alcohol present in an amount of 0.2-80 wt.% and having a functionality of at least 1.5 and an OH number of 10-100 mg KOH/g, and (bii) a polyester alcohol present in an amount of 5-90 wt.%. (c) is present in an amount of maximum 2 wt.%. (d) contains hydrocarbons and/or hydrocarbons containing fluorine in an amount of 5-30 wt.%.

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