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    PROCESS FOR PRODUCING IMPROVED RIGID POLYISOCYANURATE FOAMS BASED ON AROMATIC POLYESTER POLYOLS AND ETHYLENE OXIDE-BASED POLYETHER POLYOLS
    1.
    发明专利
    PROCESS FOR PRODUCING IMPROVED RIGID POLYISOCYANURATE FOAMS BASED ON AROMATIC POLYESTER POLYOLS AND ETHYLENE OXIDE-BASED POLYETHER POLYOLS 未知

    公开(公告)号：AU2022372298A1

    公开(公告)日：2024-05-02

    申请号：AU2022372298

    申请日：2022-10-17

    Applicant: BASF SE

    Inventor： KALUSCHKE TOBIAS ,  KOCH SEBASTIAN ,  JACOBMEIER OLAF

    IPC: C08G18/09 ,  C08G18/22 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76 ,  C08J9/08 ,  C08J9/14

    Abstract: The present invention relates to a process for producing rigid polyisocyanurate foams, wherein (A) polyisocyanates are mixed with (B) compounds having isocyanate-reactive hydrogen atoms, (C) flame retardant, (D) blowing agent, (E) catalyst, at an isocyanate index of at least 220 to afford a reaction mixture and cured to afford the rigid polyisocyanate foam, wherein the component (B) contains at least one aromatic polyester polyol (b1) and at least one polyether polyol (b2), the polyester polyol (b1) has an average total functionality of ≤ 3.0 and ≥ 1.7 and the polyether polyol (b2) has a hydroxyl number of 160-350 mg KOH/g and is produced by alkoxylation of a starter or starter mixture having an average total functionality ≤ 3.5 and ≥ 1.5, wherein as the alkylene oxide for producing polyether polyol (b2) at least 80% by weight of ethylene oxide is employed and comprises at least 90% primary hydroxyl end groups and wherein the mass ratio of component (b1) to component (b2) is ≤ 3 and ≥ 1 and the blowing agent (D) contains chemical and physical blowing agents, wherein the chemical blowing agent is selected from the group consisting of formic acid-water mixtures and formic acid. The present invention further relates to a rigid polyisocyanurate foam obtainable by the process according to the invention.

    PROCESS FOR PRODUCING IMPROVED RIGID POLYISOCYANURATE FOAMS BASED ON AROMATIC POLYESTER POLYOLS AND ETHYLENE OXIDE-BASED POLYETHER POLYOLS
    2.
    发明专利
    PROCESS FOR PRODUCING IMPROVED RIGID POLYISOCYANURATE FOAMS BASED ON AROMATIC POLYESTER POLYOLS AND ETHYLENE OXIDE-BASED POLYETHER POLYOLS 未知

    公开(公告)号：CA3235708A1

    公开(公告)日：2023-04-27

    申请号：CA3235708

    申请日：2022-10-17

    Applicant: BASF SE

    Inventor： KALUSCHKE TOBIAS ,  KOCH SEBASTIAN ,  JACOBMEIER OLAF

    IPC: C08G18/09 ,  C08G18/22 ,  C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76 ,  C08J9/08 ,  C08J9/14

    Abstract: The present invention relates to a process for producing rigid polyisocyanurate foams, wherein (A) polyisocyanates are mixed with (B) compounds having isocyanate-reactive hydrogen atoms, (C) flame retardant, (D) blowing agent, (E) catalyst, at an isocyanate index of at least 220 to afford a reaction mixture and cured to afford the rigid polyisocyanate foam, wherein the component (B) contains at least one aromatic polyester polyol (b1) and at least one polyether polyol (b2), the polyester polyol (b1) has an average total functionality of = 3.0 and = 1.7 and the polyether polyol (b2) has a hydroxyl number of 160-350 mg KOH/g and is produced by alkoxylation of a starter or starter mixture having an average total functionality = 3.5 and = 1.5, wherein as the alkylene oxide for producing polyether polyol (b2) at least 80% by weight of ethylene oxide is employed and comprises at least 90% primary hydroxyl end groups and wherein the mass ratio of component (b1) to component (b2) is = 3 and = 1 and the blowing agent (D) contains chemical and physical blowing agents, wherein the chemical blowing agent is selected from the group consisting of formic acid-water mixtures and formic acid. The present invention further relates to a rigid polyisocyanurate foam obtainable by the process according to the invention.

    PRODUCING RIGID POLYURETHANE FOAMS
    4.
    发明专利
    PRODUCING RIGID POLYURETHANE FOAMS 未知

    公开(公告)号：CA2875176C

    公开(公告)日：2020-02-18

    申请号：CA2875176

    申请日：2013-05-29

    Applicant: BASF SE

    Inventor： FABISIAK ROLAND ,  KAMPF GUNNAR ,  SCHON LARS ,  JACOBMEIER OLAF

    IPC: C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76

    Abstract: The invention relates to a process for producing rigid polyurethane foams by reaction of A) one or more organic polyisocyanates, B) one or more polyester polyols, C) optionally one or more polyether polyols, D) a flame-retardant mixture, E) further auxiliaries or addition agents, F) one or more blowing agents, and also G) catalysts, wherein said flame-retardant mixture D) comprises d1) 10 to 90 wt%, based on the amount of flame-retardant mixture, of a flame retardant having a boiling point of not more than 220°C, and d2) 10 to 90 wt%, based on the amount of flame-retardant mixture, of a phosphorus-containing flame retardant having a boiling point of above 220°C, wherein said components d1) and d2) total 100 wt%.

    PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS
    8.
    发明专利
    PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS 未知

    公开(公告)号：MY161399A

    公开(公告)日：2017-04-14

    申请号：MYPI2013003696

    申请日：2012-04-12

    Applicant: BASF SE

    Inventor： DR TOMOVIC ZELJKO ,  JACOBMEIER OLAF ,  DR KAMPF GUNNAR

    IPC: C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08G18/76 ,  C08G101/00

    Abstract: A PROCESS FOR PRODUCING RIGID POLYURETHANE FOAMS BY REACTING A) ORGANIC POLYISOCYANATES WITH B) COMPOUNDS HAVING AT LEAST TWO HYDROGEN ATOMS WHICH ARE REACTIVE TOWARD ISOCYANATE GROUPS IN THE PRESENCE OF C) BLOWING AGENTS, D) CATALYSTS AND OPTIONALLY, E) AUXILIARIES AND ADDITIVES, WHEREIN A MIXTURE OF B1) FROM 20 TO 60 PARTS BY WEIGHT OF ONE OR MORE HIGH-FUNCTIONALITY POLYETHER ALCOHOLS HAVING FUNCTIONALITIES OF FROM 3.5 TO 5.5 AND A HYDROXYL NUMBER OF FROM 400 TO 550 MG KOH/G, B2) FROM 5 TO 25 PARTS BY WEIGHT OF ONE OR MORE POLYETHER ALCOHOLS BASED ON AROMATIC AND/OR ALIPHATIC AMINES AND HAVING FUNCTIONALITIES OF FROM 3.5 TO 4.5 AND A HYDROXYL NUMBER OF FROM 350 TO 500 MG KOH/G, B3) FROM 5 TO 25 PARTS BY WEIGHT OF ONE OR MORE POLYETHER ALCOHOLS HAVING FUNCTIONALITIES OF FROM 2 TO 4 AND A HYDROXYL NUMBER OF FROM 150 TO 450 MG KOH/G B4) FROM 1 TO 15 PARTS BY WEIGHT OF ONE OR MORE LOW MOLECULAR WEIGHT CHAIN EXTENDERS AND/OR CROSSLINKERS HAVING FUNCTIONALITIES OF FROM 2 TO 3 AND A MOLECULAR WEIGHT MW OF

    Method for producing polyurethane hard foams
    10.
    发明专利
    Method for producing polyurethane hard foams 未知

    公开(公告)号：AU2013269724C1

    公开(公告)日：2016-09-29

    申请号：AU2013269724

    申请日：2013-05-29

    Applicant: BASF SE

    Inventor： FABISIAK ROLAND ,  KAMPF GUNNAR ,  SCHON LARS ,  JACOBMEIER OLAF

    IPC: C08G18/40 ,  C08G18/42 ,  C08G18/48 ,  C08G18/76

    Abstract: The invention relates to a method for producing polyurethane hard foams by reacting: A) one or more organic polyisocyanates; B) one or more polyester polyols; C) optionally one or more polyether polyols; D) a fire retardant mixture; E) additional auxiliary agents or additives; F) one or more propellants; and G) catalysts, characterized in that the fire retardant mixture D) contains d1) 10 to 90 wt%, relative to the quantity of the fire retardant mixture, of a fire retardant with a boiling point less than or equal to 220°C, and d2) 10 to 90 wt%, relative to the quantity of the fire retardant mixture, of a phosphorus-containing fire retardant with a boiling point above 220°C, this sum of components d1 ) and d2) yielding 100 wt%.

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