公开(公告)号：JPH03271255A

公开(公告)日：1991-12-03

申请号：JP41167990

申请日：1990-12-19

Applicant: BASF AG

Inventor： OTSUTOO FUORUKERUTO ,  BUERUNAA HINTSU

IPC: B01F17/42 ,  C07C69/63 ,  C07C69/635 ,  C07C69/65 ,  C07C69/76 ,  C07C69/78 ,  C07C271/14 ,  C07C271/24 ,  C07C271/28 ,  C08G65/32 ,  C08G65/332 ,  C08G65/333 ,  C08G65/337 ,  C08J9/00 ,  C08K5/10

公开(公告)号：JPH06329748A

公开(公告)日：1994-11-29

申请号：JP9264094

申请日：1994-04-28

Applicant: BASF AG

Inventor： PEETAA HORUN ,  BUERUNAA HINTSU ,  RUUTOBUIHI YUNGU

IPC: C08G18/08 ,  C08G18/00 ,  C08G18/22 ,  C08G18/30 ,  C08G18/32 ,  C08G18/48 ,  C08G18/50 ,  C08G18/65 ,  C08G18/66 ,  C08G101/00 ,  C08J9/00

Abstract: The invention relates to a process for the production of polyurethane foams, preferably semirigid polyurethane foams, having an improved foam structure by reacting a) organic and/or modified organic polyisocyanates with b) polyhydroxyl compounds having at least 2 reactive hydrogen atoms and c) crosslinking agents comprising at least one polyoxyalkylene polyol having a mean functionality of 3 to 8 and a hydroxyl number of from 200 to 1300 ppm, and having an alkali ion content of from 150 to 1200 ppm, in the presence of d) blowing agents, e) optionally catalysts, f) inorganic and/or organic acids as additive and g) optionally auxiliaries.

公开(公告)号：JPH05239176A

公开(公告)日：1993-09-17

申请号：JP27846392

申请日：1992-10-16

Applicant: BASF AG

Inventor： PEETAA HORUN ,  BUERUNAA HINTSU ,  GEORUKU KUNOOPURAUHO ,  FUARUKO RAMUSUTAINAA ,  GOTSUTOFURIITO KUNORU

IPC: A61L29/00 ,  A61F2/00 ,  A61L27/34 ,  A61M5/00 ,  B01D63/02 ,  C08G18/02 ,  C08G18/10 ,  C08G18/12 ,  C08G18/48 ,  C08G18/50 ,  C08G18/66 ,  C08G18/76

公开(公告)号：JPH03199224A

公开(公告)日：1991-08-30

申请号：JP33099690

申请日：1990-11-30

Applicant: BASF AG

Inventor： HAINTSUUDEIITAA RUTAA ,  BUERUNAA HINTSU ,  BUARUTAA DETSUKAA ,  RAINHARUTO REPUKESU ,  EERUHARUTO RAIHI ,  RAINHARUTO PEETERUSU ,  FUORUKAA HAAZE ,  MIHIYAERU RUUKUMAIRU

IPC: C08G18/48 ,  C08G18/72 ,  C08G65/26 ,  C08G65/28 ,  C08G101/00 ,  C08J9/00

Abstract: Flexible polyurethane foams having low compressive strength and relatively good tensile strength are prepared by reacting a) a block polyoxypropylenepolyoxyethylenepolyol mixture which has a hydroxyl number of from 14 to 65, contains from 2 to 9% by weight, based on the weight of the polyoxypropylene units, of ethylene oxide units bonded in the terminal position and is prepared by anionic polymerization of the alkylene oxides with an initiator mixture having an average functionality of from 2.3 to 2.8 and consisting of water and glycerol and/or trimethylolpropane, or a mixture of these block polyoxypropylenepolyoxyethylenepolyol mixtures with bi- and/or trifunctional polyoxypropylenepolyoxyethylenepolyols having a hydroxyl number of from 20 to 70, and b) if required, low molecular weight chain extenders with c) organic and/or modified organic polyisocyanates in the presence of d) catalysts, e) blowing agents, preferably water, and if required, f) assistants and/or additives.

公开(公告)号：JPH03137116A

公开(公告)日：1991-06-11

申请号：JP21595190

申请日：1990-08-17

Applicant: BASF AG

Inventor： PEETAA HORUN ,  BUERUNAA HINTSU ,  BUARUTAA HETSUKUMAN ,  FUARUKO RAMUSHIYUTAINAA

IPC: A61L31/00 ,  A61L2/07 ,  A61L27/18 ,  A61L27/34 ,  A61L27/44 ,  B01D63/02 ,  B01D65/00 ,  C08G18/10 ,  C08G18/12 ,  C08G18/48 ,  C08G18/66 ,  C08G18/72 ,  C08G18/76

公开(公告)号：JPH0665350A

公开(公告)日：1994-03-08

申请号：JP13486293

申请日：1993-06-04

Applicant: BASF AG

Inventor： BUERUNAA HINTSU ,  KURISUTEIAN MARETSUKO ,  ZARUBANANDA CHIYAKURABARUTEI ,  YOHANESU BETSUKAA ,  BERUNTO BURUFUMAN

IPC: C08G18/60 ,  C08G18/10 ,  C08G18/50 ,  C08G18/65 ,  C08G18/66 ,  C08G18/80

公开(公告)号：JPH0841157A

公开(公告)日：1996-02-13

申请号：JP8539495

申请日：1995-04-11

Applicant: BASF AG

Inventor： BERUNTO BURUFUMAN ,  RUUTO TSUSHIISHIE ,  HAINTSUUDEIITAA RUTAA ,  KURAUDEIA SHIYUPANGU ,  BUERUNAA HINTSU

IPC: C08J9/02 ,  C08G18/18 ,  C08G18/20 ,  C08J9/12

公开(公告)号：JPH0649170A

公开(公告)日：1994-02-22

申请号：JP13581193

申请日：1993-06-07

Applicant: BASF AG

Inventor： BUERUNAA HINTSU ,  KURISUTEIAN MARETSUKO ,  YOHANESU BETSUKAA ,  GIYUNTAA MATSUKE

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

公开(公告)号：JPH05214091A

公开(公告)日：1993-08-24

申请号：JP27847092

申请日：1992-10-16

Applicant: BASF AG

Inventor： BUERUNAA HINTSU ,  SHIYUTEFUAN ADAMUSU ,  URURITSUHI KEERAA ,  KURISUTEIAN MARETSUKO ,  KURAUSU FUORUSUPOORU ,  RUUTO TSUSHIISHIE

IPC: C08G18/50 ,  C08G65/26

Abstract: The invention relates to highly reactive polyoxyalkylenepolyols prepared by oxalkylation of an initiator molecule containing at least 2 reactive hydrogen atoms and at least one tertiary amino group bonded via a spacer bridge, which preferably comprises an alkylene radical having at least 3 carbon atoms, by means of at least one alkylene oxide, preferably ethylene oxide and/or 1,2-propylene oxide, to a process for the preparation of these polyoxyalkylenepolyols, and to their use for the preparation of compact or cellular, preferably flexible, polyisocyanate polyaddition products.

公开(公告)号：JPH04117417A

公开(公告)日：1992-04-17

申请号：JP41279490

申请日：1990-12-21

Applicant: BASF AG

Inventor： HAINTSUUDEIITAA RUTAA ,  RAINHARUTO REPUKESU ,  PEETAA HORUN ,  BUARUTAA DETSUKAA ,  FUORUKAA HAAZE ,  BUERUNAA HINTSU

IPC: C08G18/48 ,  C08G18/66

Abstract: The invention relates to a process for the production of flexible, soft polyurethane foams having viscoelastic, structure borne soundproofing properties in a temperature range of from -20 DEG C to +80 DEG C, by reacting a) a polyoxyalkylene-polyol mixture containing ai) a block polyoxypropylene-polyoxyethylene-polyol mixture having a hydroxyl number of from 14 to 65 and containing from 2 to 9 % by weight, based on the weight of the polyoxypropylene units, of terminally bonded ethylene oxide units, and prepared by anionic polymerisation at elevated temperature of 1,2-propylene oxide onto an initiator molecule mixture having a mean functionality of from 2.3 to 2.8 comprising water and glycerol and/or trimethylolpropane, and polymerisation of ethylene oxide onto the resultant polyoxypropylene adduct, and aii) at least one difunctional and/or trifunctional polyoxypropylene-polyoxyethylene-polyol containing from 60 to 85 % by weight, based on the total weight of polymerised alkylene oxide units, of oxyethylene units, and having a hydroxyl number of from 20 to 80, and b) optionally low-molecular-weight chain extenders with c) organic and/or modified organic polyisocyanates, in the presence of d) catalysts, e) blowing agents, preferably water, and optionally f) assistants and/or additives, and to the polyoxyalkylene-polyol mixtures (a) which can be used for this purpose.