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1. 发明专利

JP2002105145A POLYMER POLYOL COMPOSITION 失效
公开(公告)号：JP2002105145A
公开(公告)日：2002-04-10
申请号：JP2000301317
申请日：2000-09-29
申请人： SANYO CHEMICAL IND LTD
发明人： OTA HIDEFUMI , HORIGUCHI HIDEMASA
IPC分类号： C08F2/44 , C08F283/01 , C08G18/63
摘要： PROBLEM TO BE SOLVED: To provide a polymer polyol composition having low viscosity despite its high polymer particle concentration and capable of giving a polyurethane foam with higher foam hardness than those of conventional foams. SOLUTION: This polymer polyol composition comprises (A) a polyol and (B) polymer particles dispersed in the polyol A; wherein the polymer particles B has been formed by polymerization of (b) an ethylenically unsaturated compound, and >=5 mass% of the component b is characterized by being (b1) an unsaturated polyester where 50-98 mol% of the maleic acid unit in an esterified product from (p) an unsaturated carboxylic acid consisting of maleic acid (anhydride) and (q) a polyol is isomerized into fumaric acid unit.

2. 发明专利

JP2003113219A METHOD FOR PRODUCING POLYURETHANE RESIN 审中-公开
公开(公告)号：JP2003113219A
公开(公告)日：2003-04-18
申请号：JP2002224024
申请日：2002-07-31
申请人： SANYO CHEMICAL IND LTD
发明人： KAKU MOTONAO , NISHIYAMA KENJI , OTA HIDEFUMI
IPC分类号： C08G18/48 , C08G65/26
摘要： PROBLEM TO BE SOLVED: To obtain a polyurethane resin having high resin physical properties hardly depended on humidity and further having especially high heat-resistant performance, and to obtain a polyurethane foam. SOLUTION: This method for producing the foamed or non-foamed polyurethane resin, comprising reacting and curing (A) an active hydrogen component with (B) a polyisocyanate in the presence or absence of a foaming agent, is characterized in that the component (A) is (a) a polyether polyol obtained by adding a >=3C 1,2-alkylene oxide to an active hydrogen compound, having a terminal primary OH group ratio of >=40%, and satisfies a relation of formula (1): y )x [(x) is a hydroxyl group equivalent; (y) is a total unsaturation degree (meq/g)] and/or (a') the modified product of the polyether polyol.

3. 发明专利

JP2001172356A METHOD FOR MANUFACTURING SOFT POLYURETHANE FOAM AND POLYOL COMPOSITION 失效
公开(公告)号：JP2001172356A
公开(公告)日：2001-06-26
申请号：JP36198099
申请日：1999-12-21
申请人： SANYO CHEMICAL IND LTD , TOYOTA MOTOR CORP , NIPPON POLYURETHANE KOGYO KK
发明人： TSUJI TAKAYUKI , KONO SHOICHIRO , OTA HIDEFUMI , KUDO YASUTAKE , OCHIAI TOSHIAKI , HAYASHI KOICHIRO , SATO TERUO , OMORI NAOYUKI , SUGAWARA MANABU
IPC分类号： A47C27/14 , C08G18/48 , C08G18/63 , C08G18/76 , C08G101/00
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a soft polyurethane foam for a hard cushion material having a low density, good formability and high hardness. SOLUTION: In a method for manufacturing a soft polyurethane foam from a polyisocyanate component, a polyol component, a foaming agent, a catalyst and a foam controlling agent, the polyisocyante component comprises diphenylmethane diisocyanate, polymethylenepolyphenylene polyisocyanate and/or a modified compound thereof of not less than 50 mass % and other polyisocyantes of 0 to 50 mass %: the polyol component is a polymer polyol (A) obtained by polymerizing a vinyl monomer (b) in a polyol (a) or a polyol component containing (A) and a polyol (B), three specific polyols each having a specific composition being contained in the polyol (a) and/or (B); and the foaming agent is water.

4. 发明专利

JPH0959343A PRODUCTION OF NON-RIGID POLYURETHANE FOAM 失效
公开(公告)号：JPH0959343A
公开(公告)日：1997-03-04
申请号：JP24369795
申请日：1995-08-28
申请人： SANYO CHEMICAL IND LTD
发明人： OTA HIDEFUMI , AKIYAMA HAJIME
IPC分类号： C08G18/66 , C08G18/65 , C08G101/00
摘要： PROBLEM TO BE SOLVED: To obtain a nonrigid polyurethane foam by foaming a specific polyol and an organic polyisocyanate in the presence of a blowing agent, etc., under specific conditions, excellent in air permeability, durability and impact resilience without deteriorating moldability and physical properties of foam. SOLUTION: This nonrigid polyurethane foam is obtained by reacting and foaming (A) a polyol such as a polyether polyol having 5-25 coefficient of resinification and 700-3,000 active hydrogen equivalent and (B) an organic polyisocyanate such as tolylene diisocyanate in the presence of a blowing agent such as water, a catalyst such as sodium acetate, a foam stabilizer such as a dimethylsiloxane-based foam stabilizer and (C) preferably 0.1-30 pts.wt. (based on 100 pts.wt. of A) of a compound prepared by modifying at least a part of the hydroxyl group of the component A into a group which is substantially nonreactive to isocyanate and has 9.5-20.0 solubility parameter (SP value). The component C is preferably the cyanoethylated substance or the cyanoisopyropylated substance of the component A.

5. 发明专利

JPH0995549A PRODUCTION OF POLYURETHANE FOAM INTEGRATED WITH SKIN 失效
公开(公告)号：JPH0995549A
公开(公告)日：1997-04-08
申请号：JP27643795
申请日：1995-09-28
申请人： SANYO CHEMICAL IND LTD
发明人： HIYAMA SHIGEHIRO , OTA HIDEFUMI , AKIYAMA HAJIME
IPC分类号： C08J9/02 , B29C39/02 , C08G18/00 , C08G18/08 , C08G18/48 , C08G18/76 , C08G101/00
摘要： PROBLEM TO BE SOLVED: To produce a polyurethane foam integrated with a skin and excellent in vibration characteristics in a low to medium frequency region from a raw material of low viscosity with high productivity by reacting a polyol component and an organic isocyanate component in a mold having a skin set therein. SOLUTION: A foam layer and a skin comprising, e.g. a sheet formed from, e.g. a vinyl chloride resin having a filler added thereto are molded in a mold to produce an integral article. 100 pts.wt. polyol component comprising a mixture of a polyether polyol having an average functionality of 2.5 to 6.0 and an active hydrogen equivalent of 1,500 to 3,000 and a polyoxyalkylene monool at a weight ratio of (65 to 99):(35 to 1), an organic isocyanate component comprising a modified diphenylmethane diisocyanate and/or a polymethylene polyphenylene polyisocyanate and tolylene diisocyanate, and 1-50 pts.wt. liquid hydrocarbon resin are reacted with water, etc.

6. 发明专利

JPH0952932A PRODUCTION OF MOLDED SOFT POLYURETHANE FOAM 失效
公开(公告)号：JPH0952932A
公开(公告)日：1997-02-25
申请号：JP22569395
申请日：1995-08-09
申请人： SANYO CHEMICAL IND LTD
发明人： OTA HIDEFUMI , TAKAMURA RYOICHI , AKIYAMA HAJIME
IPC分类号： C08G18/40 , C08G18/48 , C08G101/00
摘要： PROBLEM TO BE SOLVED: To obtain the subject foam having high moldability without necessitating the control of a mold temperature in a narrow range in the pouring of raw materials by using a polyol containing a specific polyether polyol. SOLUTION: The objective polyurethane foam is produced by reacting (A) a polyol containing 2-70wt.% of a polyester polyol composed of a polyoxyethylene polyoxypropylene polyol having an average functional group number of 2.5-6, a hydroxyl value of 20-40, an oxyethylene unit content of 20-35wt.% and a terminal oxyethylene content of 10-18wt.% with (B) an organic polyisocyanate (preferably 2,4- or 2,6-tolylene diisocyanate, etc.) in the presence of a foaming agent (preferably water), a catalyst (preferably t-amines, etc.) and a foam stabilizer in a mold. The component A other than the polyester polyol is preferably a polymer polyol having improved dispersion stability and produced by polymerizing a vinyl monomer in a polyol.

7. 发明专利

JPH0586223A PRODUCTION OF POLYURETHANE FOAM 失效
公开(公告)号：JPH0586223A
公开(公告)日：1993-04-06
申请号：JP27451791
申请日：1991-09-26
申请人： TOYOTA MOTOR CORP , SANYO CHEMICAL IND LTD
发明人： OCHIAI TOSHIAKI , SUGITA HIROAKI , KONDO KANEMITSU , TAKAMURA RYOICHI , OTA HIDEFUMI , AKIMOTO KEIICHI
IPC分类号： C08G18/00 , C08G101/00 , C08J9/02 , C08L75/04
摘要： PURPOSE:To obtain a polyurethane foam not breaking the environment of the earth by reacting an active hydrogen-containing compound with an organic polyisocyanate in the presence of a specific foaming agent, a nonionic surfactant, a catalyst and a foam stabilizer. CONSTITUTION:(A) An active hydrogen-containing compound such as the alkylene oxide adduct of an alcohol is reacted with (B) an organic polyisocyanate such as 2,4-diphenylmethane diisocyanate in the presence of (C) a foaming agent comprising water and 1,1,1,2-tetrafluoroethane, (D) a catalyst and (F) a non-ionic surfactant having a HLB value of 1-15 to obtain the objective polyurethane foam.

8. 发明专利

JPH04146916A POLYOL COMPOSITION FOR FLEXIBLE POLYURETHANE FOAM AND PRODUCTION OF FLEXIBLE POLYURETHANE FOAM 失效
公开(公告)号：JPH04146916A
公开(公告)日：1992-05-20
申请号：JP27091990
申请日：1990-10-08
申请人： SANYO CHEMICAL IND LTD
发明人： OTA HIDEFUMI , MATSUNAGA MINORU , TAKAGI JUN , AKIMOTO KEIICHI
IPC分类号： C08J9/02 , C08G18/48 , C08G18/65 , C08G18/66 , C08G101/00 , C08L75/04
摘要： PURPOSE:To form a polyol composition having good moldability at a mold temperature of 35-60 deg.C and being desirable for the production of a polyurethane foam of low foam hardness by mixing two specified polyether polyols with a specified monool. CONSTITUTION:This composition comprises a polyether polyol (a) having a functionality of 2 or above and a molecular weight of 800-1700 per hydroxyl group, a polyether polyol (b) having a functionality of 3 or above and a molecular weight of 300-800 per hydroxyl group and a monool (c) having a functionality of 1 and a molecular weight of 100-2000. Component (b) is used in an amount of about 40-5wt.% based on the whole polyol composition. A compound of a structure derived by effecting an addition reaction of a hydrocarbon alcohol having one active hydrogen atom with an alkylene oxide is desirable as component (c), and it is used in an amount of about 20-0.1% based on the whole polyol composition.

9. 发明专利

JP2001002748A PRODUCTION OF POLYISOCYANURATE 失效
公开(公告)号：JP2001002748A
公开(公告)日：2001-01-09
申请号：JP17526599
申请日：1999-06-22
申请人： SANYO CHEMICAL IND LTD
发明人： FURUTA TSUYOSHI , KAKU MOTONAO , OTA HIDEFUMI
IPC分类号： C08G18/08 , C08G18/09
摘要： PROBLEM TO BE SOLVED: To produce a polyisocyanurate that has higher mechanical strength than that of its conventional polymer, gives molded products of excellent dimensional stability and shows good moldability. SOLUTION: A polyol and an organic polyisocyanate are allowed to react with each other in the presence of a trimerization catalyst and, when necessary, a foaming agent to produce a polyisocyanurate. In this case, the content of residual isocyanate group is

10. 发明专利

JP2000169541A PRODUCTION OF POLYURETHANE FOAM 失效
公开(公告)号：JP2000169541A
公开(公告)日：2000-06-20
申请号：JP36185798
申请日：1998-12-04
申请人： SANYO CHEMICAL IND LTD
发明人： OTA HIDEFUMI , NAKANISHI TORU , AKIYAMA HAJIME
IPC分类号： C08G18/00 , C08G18/62 , C08G101/00
摘要： PROBLEM TO BE SOLVED: To obtain a polyurethane foam having high mechanical strengths by using an active hydrogen component containing a specified polymer polyol and simultaneously performing the polymerization of the addition-polymerizable functional groups and the reaction of forming a polyurethane. SOLUTION: This foam is prepared by using an active hydrogen component comprising an addition-polymerizable active hydrogen component (A) and a polymer (B) dispersed therein. In the active hydrogen component, component A comprises a compound having an active hydrogen containing group and an addition-polymerizable functional group or a compound having an active hydrogen containing group and having no addition-polymerizable functional group, and component B is a polymer polyol comprising a polymer of an addition polymerizable functional group containing compound having no active hydrogen containing group and/or component A comprises a compound having an active hydrogen containing group and having no addition-polymerizable functional group and a compound having an addition-polymerizable functional group and having no active hydrogen containing group, and component B is a polymer polyol comprising a polymer of a compound having an addition-polymerizable functional group and having no active hydrogen containing group and having a content of the compound having an addition-polymerizable functional group and having no active hydrogen-containing group of 1-80 mass %.

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