| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | INTEGRAL POLYURETHANE FOAMS COMPRISING DIALKYL CYCLOHEXANEDICARBOXYLATES AS INTERNAL MOLD RELEASE AGENT | US12742267 | 2008-11-25 | US20100286297A1 | 2010-11-11 | Marco Ortalda; Tony Spitilli |
| The present invention relates to a process for producing integral polyurethane foams, in which a) organic polyisocyanates are mixed with b) relatively high molecular weight compounds having at least two reactive hydrogen atoms, c) blowing agents, d) dialkyl cyclohexanedicarboxylates and, if appropriate, e) chain extenders and/or crosslinkers, f) catalysts and g) other auxiliaries and/or additives to form a reaction mixture, the reaction mixture is introduced into a mold and allowed to react to form an integral polyurethane foam. The present invention further relates to integral polyurethane foams comprising dialkyl cyclohexanedicarboxylates, the use of such foams in the interior of road vehicles or as shoe soles and the use of dialkyl cyclohexanedicarboxylates as internal mold release agents in the production of integral polyurethane foams. | ||||||
| 162 | HEAT BONDING POLYURETHANE FOAMS | US12670936 | 2008-07-17 | US20100215942A1 | 2010-08-26 | Francois M. Casati; Weber D. Felippe; Saeed Siavoshani |
| A process for producing a laminate or composite structure comprises heat bonding a substrate to a polyurethane foam, wherein the polyurethane foam is produced using at least one natural oil derived polyol as at least a portion of the polyol used in making the polyurethane foam. The resulting laminate or composite structure comprises at least one foam produced from a polyol composition comprising at least one natural oil derived polyol and at least one substrate with the interface between the foam and substrate being that formed by heat bonding. The invention also includes any article comprising such a laminate or composite structure. | ||||||
| 163 | POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, AND METHOD FOR PREPARING THE OPTICAL MATERIAL | US12535745 | 2009-08-05 | US20100075154A1 | 2010-03-25 | Hidetoshi HAYASHI; Masaru Kawaguchi; Akinori Ryu; Hironori Kuboi; Mamoru Takashina; Seiichi Kobayashi; Touru Miura |
| The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane. | ||||||
| 164 | Composite elements made from polyurethane materials having surfaces consisting of thermoplastic or metallic layers and a process for their production | US11044972 | 2005-01-27 | US07638197B2 | 2009-12-29 | Peter Haas; Dirk Wegener; Reiner Paul; Detlef Mies |
| The present invention relates to composite elements constructed from an outer layer (i), a fiber-reinforced polyurethane (PU) material which contains in-mold release additives as a supporting layer (ii), and optionally, a decorative inner layer (iii). This invention also relates to suitable processes for the production of these composite elements and to body components comprising these composite elements. | ||||||
| 165 | Composition for Biodegradable Starch Bowl and Biodegradable Starch Bowl Using The Same | US11579619 | 2005-02-04 | US20070243346A1 | 2007-10-18 | Heon Kim; Sung Yoon; Yun Bang |
| Disclosed is a composition for biodegradable starch bowl consisting of unmodified starch of 20-60 wt. %, pulp fiber powder of 5-30 wt. %, solvent of 30-60 wt. %, photo catalyst of 0.1-2.0 wt. %, preservative of 0.01-1 wt. % and releasing agent of 0.5-5 wt. %. In the present invention, further disclosed is a biodegradable starch bowl being prepared by heating and pressurizing said composition for biodegradable starch bowl so as to have a desired shape. The composition for a biodegradable starch bowl and the biodegradable starch bowl using the same according to the present invention have improved sterilizing, deodorizing, preservative and releasing properties. | ||||||
| 166 | Pultrusion systems and process | US11392345 | 2006-03-29 | US20060173128A1 | 2006-08-03 | Michael Connolly |
| Polyisocyanate-based reaction systems, a pultrusion process employing those systems to produce reinforced matrix composites, and to composites produced thereby. The polyisocyanate-based systems are mixing activated reaction systems that include a polyol composition, a catalyst composition which comprises a combination of at least two different metals in effective amounts, an optional chain extender or crosslinker, and a polyisocyanate. The polyisocyanate-based systems facilitate the practical use of higher line speeds in the manufacture of fiber reinforced thermoset composites via reactive pultrusion. | ||||||
| 167 | Soft polyurethaneurea spray elastomers with improved abrasion resistance | US10737605 | 2003-12-16 | US20050131136A1 | 2005-06-16 | James Rosthauser; John Perry; James Charron |
| The present invention relates to novel spray elastomers which exhibit improved abrasion resistance. Other aspects of this invention are soft molded composites and processes of making these composites. These composites may also be decorative and/or pigmented composites. | ||||||
| 168 | Molded foam articles prepared with reduced mold residence time and improved quality | US10458821 | 2003-06-11 | US20040034113A1 | 2004-02-19 | Trent A. Shidaker; David W. Bareis; Herbert R. Gillis |
| Foamed molded articles produced by reaction injection molding (RIM) are provided. The molded articles are formed by reaction of a polyisocyanate component with an isocyanate reactive component in a mold using a blowing agent. The molded articles are preferably composites formed in the presence of a fibrous reinforcing material. The foamed articles are characterized by relatively short minimum mold residence times, and can thereby be produced more economically than prior art composites. The foamed articles are further characterized by a reduction in physical defects, such as splits and voids. | ||||||
| 169 | Release agents | US10321517 | 2002-12-18 | US20030160363A1 | 2003-08-28 | Joseph F. Massidda; Alan P. Short |
| The invention provides release agents and methods for preparing textiles and molded articles there from. Lignocellulosic materials, concrete and polyurethane foam can be molded with these release agents. The release agents comprise the salt of tall oil fatty acids, preferably of very high purity. A synthetic wax and/or silicone resin is used with the tall oil fatty acids in preferred embodiments. The tall oil fatty acids contain less than 10 wt % , based on the total weight of the tall oil fatty acid, of unsaponifiables and less than 1 wt %, based on the total weight of the tall oil fatty acid, of rosin acid. | ||||||
| 170 | Polyisocyanurate foams | US09677839 | 2000-10-02 | US06602927B1 | 2003-08-05 | Andreas Rothacker |
| The invention provides polyisocyanurate systems for manufacture of polyisocyanurate foam components such as those from SRIM processes. The reaction systems include a polyisocyanate and a polyisocyanate reactive component that includes a trimerization catalyst, polyol, and a carboxylic acid blowing agent, optionally with water as a co-blowing agent. The reaction systems can be blown exclusively with carboxylic acid to produce SRIM products which can be demolded with reduced mold residence time. | ||||||
| 171 | Thermoplastic resins having incorporated mold release agents | US09357272 | 1999-07-20 | US06552153B1 | 2003-04-22 | Wolfgang Kaufhold; Friedemann Müller; Wolfgang Bräuer; Hans-Georg Hoppe; Hans-Georg Wussow |
| A mixture of hydroxy-terminated hydrocarbons useful as a mold release agent for polymers is disclosed. The polymers suitable in the present context are the ones prepared by polyaddition or polycondensation, in particular, thermoplastic polyurethane and polyurethane urea. | ||||||
| 172 | Compatabilization of internal mold release agents | US09767085 | 2001-01-22 | US20010005736A1 | 2001-06-28 | Andreas H. Rothacker |
| The disclosed invention relates to isocyanate reactive systems which have an internal mold release agents having improved stability. The isocyanate reactive system includes (1) at least one compound containing a plurality of isocyanate-reactive groups and (2) an internal mold release system comprising (a) a carboxylic acid and (b) a compound selected from the group consisting of a fatty polyester, a fatty acid ester and a fatty amide, and a surfactant selected rom the group consisting of ethoxylated alcohols, propoxylated alcohols or blends thereof. | ||||||
| 173 | Inner parting agents for producing self-parting moldings made of polyisocyanate polyaddition products | US09308265 | 1999-05-14 | US06169124A | 2001-01-02 | Peter Horn; Dietrich Scherzer; Karl H{umlaut over (a)}berle; Ulrich Treuling; Georg Partusch; G{umlaut over (u)}nter T{umlaut over (a)}nny; Axel Kistenmacher |
| In a process for producing self-releasing, compact or cellular moldings which comprise polyisocyanate polyaddition products and may contain reinforcing material by reacting a) organic and/or modified organic polyisocyanates with b) at least one compound containing at least two reactive hydrogen atoms and having a molecular weight of from 62 to 10,000 and, if desired, c) chain extenders and/or crosslinkers in the presence of d) internal mold release agents and in the presence of or absence of e) catalysts, f) blowing agents, g) reinforcing materials and h) auxiliaries in an open or closed mold, the internal mold release agents (d) used are diesters and/or monoesters of alkylsuccinic acids and/or diesters and/or monoesters of alkenylsuccinic acids. | ||||||
| 174 | Internal mold release compositions containing phosphate esters | US207040 | 1998-12-08 | US5962561A | 1999-10-05 | Yassin Yusef Turshani; Richard William Neuzil, Jr.; Joseph Boryslawski |
| Internal mold release compositions for molding polyurethane and polythiourethane is disclosed herein. The composition includes a mixture of: (a) a mono C.sub.2 -C.sub.6 alkyl phosphate; (b) a di C.sub.2 -C.sub.6 alkyl phosphate, wherein the alkyl groups of the di-alkyl phosphate may be the same or different, and wherein the alkyl groups of the mono- and di-alkyl phosphate may be the same or different; and (c) a C.sub.7 -C.sub.18 mono- and/or di-alkyl phosphate. Also disclosed is a polymerizable composition which includes (a) one or more monomers containing two or more isocyanate groups; (b) one or more monomers containing two or more functional groups selected from a thiol group and a hydroxyl group; (c) a mixture of a mono- C.sub.2 -C.sub.6 alkyl phosphate and a di- C.sub.2 -C.sub.6 alkyl phosphate, wherein the alkyl groups of the di-alkyl phosphate may be the same or different and wherein the alkyl groups of the mono- and di-alkyl phosphate mixture may be the same or different, wherein the mono- C.sub.2 -C.sub.6 alkyl phosphate is present in an amount of .gtoreq.20 wt %, based on the total weight of the mixture of the mono- C.sub.2 -C.sub.6 alkyl phosphate and the di- C.sub.2 -C.sub.6 alkyl phosphate. The composition can also optionally include the C.sub.7 -C.sub.18 mono- and/or di-alkyl phosphate. | ||||||
| 175 | Two-colored molded product of polyurethanes made by RIM and process for manufacturing the same | US827008 | 1997-03-25 | US5962142A | 1999-10-05 | Katsumi Tachi; Toshihiko Asaya; Satoru Ono; Hisashi Mizuno |
| A small amount of a non-yellowing surface-forming polyurethane material containing a polyether polyol, a hexamethylene diisocyanate trimer, a coloring agent and an organic bismuth catalyst is initially injected into a mold cavity under reduced pressure to form e.g. the surface portion of a polyurethane covering for a steering wheel. An inner-forming polyurethane material is subsequently injected into the cavity under reduced pressure to form an inner portion of the covering. | ||||||
| 176 | Internal mold release compositions | US375883 | 1995-01-20 | US5916939A | 1999-06-29 | Herbert Russell Gillis; Paul William Mackey |
| An internal mold release system is provided which comprises (a) a polysiloxane compound; and (b) an amine salt of a carboxylic acid. | ||||||
| 177 | Thermoplastic polyurethane-urea elastomers | US655784 | 1996-05-31 | US5739250A | 1998-04-14 | Stephan Kirchmeyer; Hanns-Peter Muller; Jurgen Fahndrich; Hans-Georg Hoppe |
| A process for the preparation of thermoplastic polyurethaneurea elastomers is disclosed. Accordingly, organic polyisocyanates (A) and a mixture (B) containing Zerewitinoff active hydrogen atoms, are reacted to yield an intermediate product. The intermediate product is then chain extended by thermal decomposition. Reactant (B) contains B1) 40 to 85 equivalent-% (relative to isocyanate groups in (A)) at least compound having an average of at least 1.8 to 3.0, preferably 2.0, Zerewitinoff active hydrogen atoms and a molecular weight of 400 to 10000, and B2) 10 to 60 equivalent-% (relative to isocyanate groups in (A)) of at least one specifically recited tertiary hydroxyl compounds. | ||||||
| 178 | Polyurethane compositions having internal mold release properties | US572466 | 1995-12-14 | US5700869A | 1997-12-23 | James Turnbach |
| The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate reactive polyol (A) having a number average molecular weight from 100 to about 10,000 and an effective amount of internal mold release composition (B) having a silicon-containing polymer (a) and an at least diester functional compound (b) which is the reaction product of (i) an aromatic carboxylic acid, and (ii) alcohols having from 2 to 30 carbons. The invention further provides an SRIM polyurethane composition useful in the preparation of molded polyurethane articles having internal mold release properties, the composition comprising an isocyanate component (I) and the isocyanate reactive polyol composition (component (II)) disclosed above. In another aspect of the invention, the invention provides methods of using the claimed compositions as well as the rigid cellular polyurethane SRIM articles resulting from such processes. | ||||||
| 179 | Polyurethane SRIM compositions having internal mold release properties | US448712 | 1995-05-24 | US5605762A | 1997-02-25 | Richard P. Harrison; Bari W. Brown; Richard C. Rossio; Gladys M. Aviles; Edward M. Dexheimer; David Ho |
| The invention provides polyurethane components and compositions capable of providing internal mold release properties in SRIM applications. The polyol composition of the invention has an isocyanate reactive polyol (A) having a number average molecular weight from 100 to about 10,000 and an effective amount of internal mold release composition (B) having a silicon-containing polymer (a) and an epoxidized ester (b). The invention further provides an SRIM polyurethane composition useful in the preparation of molded polyurethane articles having internal mold release properties, the composition comprising an isocyanate component (I) and the isocyanate reactive polyol composition (component (II)) disclosed above. In another aspect of the invention, the invention provides methods of using the claimed compositions as well as the rigid cellular polyurethane SRIM articles resulting from such processes. | ||||||
| 180 | Compatibilising agents | US481728 | 1995-06-07 | US5587414A | 1996-12-24 | Jan W. Leenslag; Hans G. G. Verbeke |
| Compatibilizing agent being the reaction product of an organic mono- or polyfunctional isocyanate and a compound corresponding to the following general formula (I) ##STR1## wherein Y.sub.1 and Y.sub.2 (same or different) represent O or S; n and n' (same or different) represent an integer of from 0 to 1, R and R' (same or different) represent an aliphatic hydrocarbon radical containing from 1 to 30 carbon atoms and wherein the sum of the total number of carbon atoms of R and R' is between 7 and 40, and its use for improving the release performance of metal carboxylate containing polyisocyanate compositions for woodbinding. | ||||||
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