序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
41 Polyols derived from a vegetable oil using an oxidation process US13195646 2011-08-01 US09045581B2 2015-06-02 Eric J. Geiger; Nicole M. Becker; Lawrence A. Armbruster
A method for producing a vegetable oil-derived polyol having increased hydroxyl functionality by reacting a vegetable oil with an oxidizing agent in the presence of an organometallic catalyst is provided. The resulting higher functionality polyols derived from vegetable oil produced by the process are also provided. Also provided is a method for decreasing the acid value of a vegetable oil-derived polyol by reacting the vegetable oil-derived polyol with an epoxide component in the presence of a Lewis base catalyst. Urethane products produced using higher functional vegetable oil-derived polyols and/or lower acid vegetable oil-derived polyols are also provided.
42 Internal mold release agent for production of polythiourethane optical material US12280312 2007-02-19 US08022163B2 2011-09-20 Masanori Iwazumi; Nobuo Kawato; Hidetoshi Hayashi; Mamoru Tanaka; Seiichi Kobayashi
Disclosed is an internal mold release agent for the production of polythiourethane optical materials, which is obtained by mixing an acidic phosphate ester compound and at least one metal selected from the group consisting of Zn, Cu, Fe, Ga, Bi, Al and Zr. The internal mold release agent for the production of polythiourethane optical materials contains the metal in an amount of 0.01 to 20 weight %.
43 Composition for biodegradable starch bowl and biodegradable starch bowl using the same US11579619 2005-02-04 US07931950B2 2011-04-26 Heon Moo Kim; Sung Hwan Yoon; Yun Mi 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.
44 INTERNAL MOLD RELEASE AGENT FOR PRODUCTION OF POLYTHIOURETHANE OPTICAL MATERIAL US12280312 2007-02-19 US20100234498A1 2010-09-16 Masanori Iwazumi; Nobuo Kawato; Hidetoshi Hayashi; Mamoru Tanaka; Seiichi Kobayashi
Disclosed is an internal mold release agent for the production of polythiourethane optical materials, which is obtained by mixing an acidic phosphate ester compound and at least one metal selected from the group consisting of Zn, Cu, Fe, Ga, Bi, Al and Zr. The internal mold release agent for the production of polythiourethane optical materials contains the metal in an amount of 0.01 to 20 weight %.
45 Internal mold release for low density reaction injection molded polyurethane foam US09762545 1999-08-26 US07195726B1 2007-03-27 Ron H. Niswander
A method for preparing a molded polyurethane foam article using an internal mold release composition is provided. More specifically, a method using an IMR agent and an IMR-enhancer compound to prepare a molded polyurethane foam article is provided. The method comprises (a) forming a polyurethane-forming mixture by mixing (i) a fatty acid condensation product, (ii) an IMR-enhancer compound, (iii) an isocyanate, (iv) a polyol, (v) a catalyst, and (vi) a blowing agent; (b) filling a mold with the polyurethane-forming mixture; (c) forming a molded foam article; and (d) removing the molded foam article from the mold. The IMR-enhancer compound is any liquid petroleum product within the viscosity range of products called oils.
46 Release agents US10321517 2002-12-18 US07018461B2 2006-03-28 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.
47 Internal mold release compositions US10799234 2004-03-12 US20040171784A1 2004-09-02 Trent A. Shidaker; David W. Bareis
Internal mold release systems that include an internal mold release agent that includes any one of fatty acids, fatty acid esters and metal carboxylates, and employ a poly(dimethylsiloxane) surfactant with the following formula: (CH3)3SinullOnullnull(CH3)2SinullOnullnullnnullnullCH3nullSi(R)nullOnullnullmnullSi(CH3)3 wherein, Rnullnull(CH2)3nullOnullnullEOnullxnullRnull; Rnull is H; C1 to C20 alkyl; or C6 to C25 aryl; x is a number from greater than 1 up to about 24; m is a number from 1 to about 25; and n is a number from 0 to about 100. Isocyanate compositions, isocyanate reactive compositions and polyurethane reaction systems that employ the surfactant also are disclosed.
48 Thermoplastic polyurethane elastomers US08655783 1996-05-31 US06417312B1 2002-07-09 Stephan Kirchmeyer; Hanns-Peter Müller; Martin Ullrich; Ulrich Liesenfelder
A process for the production of thermoplastic polyurethane elastomer is disclosed. The process entails (a) introducing and homogeneously mixing in a first static mixer (A) an isocyanate and (B) a mixture of compounds having an average of 1.8 to 3.0 Zerewitinoff active hydrogen atoms having a molecular weight of 400 to 10000 with and chain extenders having an average of 1.8 to 3.0 Zerewitinoff active hydrogen atoms and a molecular weight of 62 to 400 and optional auxiliaries to form a substantially unreacted mixture and (b) reacting said substantially unreacted mixture in a second static mixer to form thermoplastic polyurethane elastomer. The elastomer thus produced has improved mechanical properties and is suitable for the production of moldings.
49 Internal mold release compositions US09954311 2001-09-13 US20020077398A1 2002-06-20 Trent A. Shidaker; David W. Bareis
Internal mold release systems which include an internal mold release agent that includes any one of fatty acids, fatty acid esters and metal carboxylates, and employ a poly(dimethylsiloxane) surfactant of Formula I: 1 where R is H, C1 to C20 alkyl, or C6 to C25 aryl; x is about 1 to about 24; y is 0 to about 10; m is about 1 to about 25; n is about 0 to about 100 are disclosed. Isocyanate compositions, isocyanate reactive compositions and polyurethane reaction systems which employ the surfactant also are disclosed.
50 Device and process for producing plastic components, especially polyurethane moldings US142445 1998-09-04 US6136238A 2000-10-24 Werner Rasshofer; Henry Muller; Achim Symannek
The present invention relates to a process for preparing solid, microcellular or expanded plastic molded items, characterized in that said molded items are produced in molds in which the internal surfaces consist of steel with the percentage composition:a) Fe: having a wt % greater than 0 wt % and less than 100 wt %;b) at least one element selected from the group consisting of W, Mo, or V, wherein if W is selected, W is present from a range greater than 0 wt % to 40 wt %; wherein if Mo is selected, Mo is present from a range greater than 0 wt % to 12 wt %; and if V is selected, V is present from a range greater than 0 wt % to 5 wt %;c) at least one element selected from the group consisting of Cr, Al, wherein if Cr is selected, Cr is present in a concentration of greater than 0 wt % to 15 wt %; and if Al is selected, Al is present in a concentration of greater than 0 wt % to 15 wt %;d) optionally, carbon at a concentration ranging from 0.1 to 1.5 wt %;e) optionally, cobalt at a concentration ranging from 0.1 to 10 wt %; andf) optionally, nitrogen in a nitriding layer at a concentration ranging from greater than 0 wt % to 10 wt %.
51 Internal mold release compositions US859358 1997-05-20 US5993528A 1999-11-30 Paul William Mackey
An internal mold release system is provided which comprises (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.
52 Internal mold release compositions US476525 1995-06-07 US5852107A 1998-12-22 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.
53 Internal mold release compositions US52027995 1995-08-25 US5576409B1 1998-09-22 MACKEY PAUL W
54 Process for producing compression molded article of lignocellulose type material US890292 1997-07-09 US5744079A 1998-04-28 Tadashi Kimura; Toshihide Kobayashi; Katsuhiko Sakurai; Kensuke Tani; Mitsuhiro Yoshida
A process is provided for producing a compression molded article of a lignocellulose type material by use of an organic polyisocyanate compound as a binder. The process comprises carrying out adhesion by use of the following components (A) an organic polyisocyanate, (B) an aqueous emulsion of a wax having a melting point ranging from 50.degree. C. to 160.degree. C., and (C) an organic phosphate ester derivative and optionally (D) water. The compression molded article can readily be released from the mold, and has excellent physical properties.
55 Internal mold release compositions US572345 1995-12-14 US5716439A 1998-02-10 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.
56 Isocyanate-reactive compositions containing internal mold release agents US604146 1996-02-20 US5710231A 1998-01-20 Brian Fogg; Herbert Russell Gillis; Nai Wen Lin
An isocyanate-reactive composition is provided which comprises: (a) at least one compound having a plurality of isocyanate-reactive groups; and (b) a fatty polyamine having the formula: R.sup.1 --(NH--R.sup.2).sub.x --NH.sub.2 wherein R.sup.1 is an alkyl group containing 8 to 40 carbon atoms, R.sup.2 is a divalent linking group containing 1 to 8 carbon atoms and x has a value of 1 to 4. Methods for preparing flexible foam articles utilizing the isocyanate-reactive compositions are also provided.
57 Polyol compositions having internal mold release properties US572565 1995-12-14 US5700390A 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.
58 Process of making molded polyurethane articles US572460 1995-12-14 US5686526A 1997-11-11 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.
59 Molded polyurethane SRIM articles US572377 1995-12-14 US5686187A 1997-11-11 James Turnbach
The invention provides a molded polyurethane article having internal mold release properties. The polyurethane article comprises the reaction product of an isocyanate component (I) and an isocyanate-reactive polyol component (II). The polyol component comprises an isocyanate-reactive polyol (A) having a molecular weight from 100 to about 10,000 and an effective amount of an internal mold release composition (B). The internal mold release composition comprises a silicon-containing polymer (a) and a diester functional compound (b). The diester compound comprises the reaction product of an aromatic dicarboxylic acid (i) and an alcohol having from 2 to 30 carbons.
60 Use of polyol derivatives as internal lubricants in the production of molded parts of polyurethane US534853 1995-09-27 US5681915A 1997-10-28 Josef Lechner; Karl Lechner
The use of polyol derivatives with at least two alcoholic hydroxy groups and at least one fatty acid residue per molecule obtainable by reacting a starting polyol with a fatty acid or a fatty acid derivative, which can be obtained by using as a starting polyol diethanolamine, triethanolamine, diisopropanolamine, triisopropanolamine, dibutanolamine, and reaction products of ethylene oxide and/or propylene oxide with ethanolamine, isopropanolamine, butanolamine, or primary or secondary, aliphatic or aromatic amines, as internal lubricants and/or polyol with internal lubricant properties in the production of molded polyurethane parts is described. In this manner a much more uniform distribution of the internal mold lubricant and thus an increase in the ductility of the reaction mixture can be achieved, and even crosslinked polyurethane profiles can be produced by extrusion.
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