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公开(公告)号：DE19924804C2
公开(公告)日：2003-09-25
申请号：DE19924804
申请日：1999-05-29
Applicant: BASF AG
Inventor： ZASCHKE BERND , SCHMALER KIRSTEN , FALKE PETER
Abstract: In a process for producing sound-absorbing PUR foams having an adhesive surface by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f), the polyetherol mixture (b) comprisesb1) at least one bifunctional to eight-functional polyetherol based on ethylene oxide and propylene oxide and having an OH number of from 20 to 80 mg KOH/g and a proportion of primary OH groups of >50%,b2) at least one polyetherol based on ethylene oxide and propylene oxide and/or butylene oxide and a bifunctional to eight-functional initiator and having an OH number of from 20 to 80 mg KOH/g, where the proportion of ethylene oxide in the polyetherol is >30% by weight, in amounts of from 10 to 50 parts by weight, andb3) at least one polyetherol based on propylene oxide and/or butylene oxide and, if desired, ethylene oxide and a bifunctional to eight-functional initiator and having an OH number of from 30 to 400 mg KOH/g, where the proportion of ethylene oxide in the polyetherol is
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公开(公告)号：CA2308701A1
公开(公告)日：2000-11-29
申请号：CA2308701
申请日：2000-05-15
Applicant: BASF AG
Inventor： FALKE PETER , ROTERMUND INGE , SCHMUTZER KLAUS , SCHMALER KIRSTEN
Abstract: Sound-damping and energy-absorbing flexible PUR foams are produced by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f), wherein the polyetherol mixture (b) comprises b1) at least one bifunctional to eight-functional polyetherol based on propylene oxide and/or butylene oxide and ethylene oxide, where the proportion of ethylene oxide, based on the total amount of alkylene oxide used, is more than 40% by weight, and having an OH number of from 20 to 1000 mg KOH/g and a proportion of primary OH groups of greater than 50%, with the proviso that b1) comprises at least one at least bifunctional polyetherol b1.1) having an OH number of from 20 to 100 mg KOH/g, b2) at least one bifunctional to six-functional polyetherol based on propylene oxide and/or butylene oxide and having an OH number of greater than 30 mg KOH/g and b3) at least one further polyetherol based on ethylene oxide and propylene oxide and having a proportion of primary OH groups of more than 25%, where the component b1) is used in a proportion of more than 30% by weight, based on the total weight of the polyetherol mixture (b). The sound-damping and energy-absorbing PUR foams produced by this process can be used as energy absorbers, damping material and for filling hollow spaces.
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公开(公告)号：CA2308540A1
公开(公告)日：2000-11-29
申请号：CA2308540
申请日：2000-05-15
Applicant: BASF AG
Inventor： ZASCHKE BERND , FALKE PETER , SCHMALER KIRSTEN
IPC: C08G18/48 , C09J175/08 , C08G18/76
Abstract: In a process for producing sound-absorbing PUR foams having an adhesive surface by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f), the polyetherol mixture (b) comprises b1) at least one bifunctional to eight-functional polyetherol based on ethylene oxide and propylene oxide and having an OH number of from 20 to 80 mg KOH/g and a proportion of primary OH groups of > 50%, b2) at least one polyetherol based on ethylene oxide and propylene oxide and/or butylene oxide and a bifunctional to eight-functional initiator and having an OH number of from 20 to 80 mg KOH/g, where the proportion of ethylene oxide in the polyetherol is > 30% by weight, in amounts of from 10 to 50 parts by weight, and b3) at least one polyetherol based on propylene oxide and/or butylene oxide and, if desired, ethylene oxide and a bifunctional to eight-functional initiator and having an OH number of from 30 to 400 mg KOH/g, where the proportion of ethylene oxide in the polyetherol is
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Patent Agency Ranking
公开(公告)号：DE19936481A1
公开(公告)日：2001-02-08
申请号：DE19936481
申请日：1999-08-03
Applicant: BASF AG
Inventor： ZASCHKE BERND , FALKE PETER , ROTERMUND INGE , SCHMALER KIRSTEN
Abstract: Easily processed soft PUR foams of good noise damping properties and high loss factor can be prepared from special polyurethane mixtures. Easily processed PUR foams of good noise damping properties and high loss factor can be prepared from special polyetherol mixtures, i.e. by: (a) reaction of organic and/or modified organic polyisocyanates; with (b) a polyetherol mixture; and optionally with (c) other compounds having a hydrogen atom reactive to isocyanates in the presence of water and/or other propellant, catalysts, and optionally adjuvants and additives. The polyether mixture (b) comprises: (1) at least 2-8-functional polyetherols based on ethylene oxide and propylene oxide and optionally butylene oxide, of OH number 20-80 mg KOH/g and more than 50% primary OH groups; and (2) at least one castor oil polyetherol based on ethylene oxide and optionally propylene oxide and/or butylene oxide of OH number 50-160 mg KOH/g. An Independent claim is included for a polyurethane foam material having noise damping properties prepared as above.
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公开(公告)号：DE19924804A1
公开(公告)日：2000-11-30
申请号：DE19924804
申请日：1999-05-29
Applicant: BASF AG
Inventor： ZASCHKE BERND , SCHMALER KIRSTEN , FALKE PETER
Abstract: A polyether-ol (PEOL) mixture for production of adhesive polyurethane foam comprises: (b1) 2- to 8-functional PEOL based on ethylene and propylene oxides (EO, PO); (b2) PEOL based on EO and PO and/or butylene oxide (BO) and a 2- to 8-functional starter; and (b3) PEOL based on PO and/or BO and less than 30 wt% EO with a 2- to 8-functional starter. A process for the production of sound-absorbing polyurethane (PUR) foam with an adhesive surface by reacting: (a) optionally modified polyisocyanates; with (b) a PEOL mixture and (c) optionally other compounds with isocyanate-reactive hydrogen atoms; in presence of (d) water and/or other blowing agents; (e) catalysts; and (f) optionally other additives. Component (b) comprises: (b1) di- to octa-functional PEOL(s) based on EO and PO, with an OH number of 20-80 mg KOH/g and a primary OH group content of more than 50%; (b2) PEOL(s) based on EO and PO and/or BO with a di- to octa-functional starter, with an OH number of 20-80 and an EO content of more than 30 wt%, in amounts of 10-50 parts by weight; and (b3) PEOL(s) based on PO and/or BO and optionally EO with a di- to octa-functional starter, with an OH number of 30-400 and an EO content of less than 30 wt%. An Independent claim is also included for PUR foam with an adhesive surface, obtained by this process.
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公开(公告)号：DE19924802B4
公开(公告)日：2008-02-28
申请号：DE19924802
申请日：1999-05-29
Applicant: BASF AG
Inventor： FALKE PETER , ROTERMUND INGE , SCHMUTZER KLAUS , SCHMALER KIRSTEN
Abstract: Sound-damping and energy-absorbing flexible PUR foams are produced by reacting organic and/or modified organic polyisocyanates (a) with a polyetherol mixture (b) and, if desired, further compounds (c) bearing hydrogen atoms which are reactive toward isocyanates, in the presence of water and/or other blowing agents (d), catalysts (e) and, if desired, further auxiliaries and additives (f).
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公开(公告)号：DE10044712A1
公开(公告)日：2002-03-21
申请号：DE10044712
申请日：2000-09-08
Applicant: BASF AG
Inventor： WOO PETER , SCHMUTZER KLAUS , DERAIL YVES , SCHMALER KIRSTEN , FALKE PETER
Abstract: A process for the production of polyurethane foams comprises reaction of polyisocyanates with a mixture of polyether alcohols and polyester alcohols in a ratio of polyether alcohol to polyester alcohol of greater than 1.5 in the presence of propellant and catalyst. A process for the production of polyurethane foams (I) comprises reaction of (A) polyisocyanates with (B) compounds having at least 2 isocyanate reactive hydrogen atoms in the presence of (C) propellant and (D) catalyst whereby (B) comprises a mixture of (B1) polyether alcohols (B2) polyester alcohols in a ratio of (B1)/(B2) of greater than 1.5 whereby (B1) comprises a polyether alcohol (B11) based on propylene oxide and ethylene oxide having an ethylene oxide end block and a polyether alcohol (B12) based on propylene oxide and (B2) comprises a polyether alcohol (B21) having a secondary OH-group content of greater than 70% and/or a polyester alcohol (B22) having methyl side chains. An Independent claim is included for flexible polyurethane foam prepared using the process.
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公开(公告)号：DE19924802A1
公开(公告)日：2000-11-30
申请号：DE19924802
申请日：1999-05-29
Applicant: BASF AG
Inventor： FALKE PETER , ROTERMUND INGE , SCHMUTZER KLAUS , SCHMALER KIRSTEN
Abstract: A polyether-ol (PEOL) mixture for the production of flexible polyurethane foam comprises (b1) 2- to 8-functional PEOL with more than 50% prim. OH groups based on propylene and/or butylene oxide (PO/BO) and ethylene oxide (EO), (b2) 2- to 6-functional PEOL based on PO and/or BO and (b3) other PEOL with more than 25% prim. OH groups, based on EO and PO. A process for the production of sound-damping and energy-absorbing flexible polyurethane (PUR) foam by reacting: (a) optionally modified polyisocyanates; with (b) a polyether-ol mixture; and optionally (c) other compounds with isocyanate-reactive hydrogen atoms; in presence of (d) water and/or other blowing agents; (e) catalysts; and optionally (f) other additives, etc.. Component (b) comprises (b1) di- to octa-functional polyether-ol(s) based on a mixture of PO and/or BO and more than 40 wt.% EO, with an OH number of 20-1000 mg KOH/g and a primary OH group content of more than 50%, with the proviso that (b1) contains at least one at least difunctional polyether-ol (b1.1) with an OH number of 20-100, (b2) di- to hexa-functional polyether-ol(s) with an OH number of more than 30, based on PO and/or BO, and (b3) other polyether-ol(s) based on EO and PO with a prim. OH group content of more than 25%, with the proviso that the content of (b1) in (b) is more than 30 wt%. An Independent claim is also included for PUR foam obtained by this process.
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