| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 201 | Rim polyurethane compositions containing internal mold release agents | US229897 | 1988-08-08 | US4847307A | 1989-07-11 | John E. Dewhurst; Stephen J. Harasin |
| The present invention is directed to a process for the production of optionally cellular, polyurethane elastomer moldings or optionally cellular, rigid structural polyurethanes by reacting a reaction mixture containing(i) a polyisocyanate,(ii) a high molecular weight polymer having at least two hydroxy groups and having a molecular weight of 400 to about 10,000,(iii) about 5 to 50% by weight, based on the weight of component (ii) of a chain-extender having at least two hydroxy groups and(iv) about 0.05 to 10 weight percent, based on the weight of components (ii) and (iii) of a salt based on a carboxy functional siloxane and an amidine group-containing compound of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are straight or branched, saturated or unsaturated hydrocarbon chains having up to 30 carbon atoms which may optionally be substituted by ether groups, ester groups, amide groups or amidine groups and may also optionally be terminated by isocyanate-reactive groups such as hydroxyl or amino groups, R.sub.4 corresponds to the definition of R.sub.1, R.sub.2 and R.sub.3, but may additionally represent an aromatic substituent having 6 to 15 carbon atoms or may represent the group --NR.sub.2 R.sub.3 and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may, with one or both of the amidine nitrogens, also form a heterocyclic ring.The present invention is also directed to the amidine group-containing salt (iv) and to a polyol composition based on components (ii), (iii) and (iv). | ||||||
| 202 | Polymer/polyol composition, processes for making the same and polyurethane therefrom | US130656 | 1987-12-09 | US4820743A | 1989-04-11 | Isao Ishikawa; Tsuyoshi Tomosada |
| Polymer/polyol compositions, obtained by polymerizing one or more ethylenically unsaturated monomers in situ in a blend of a polyether polyol and a polyamine, are of suitably high reactivity. The polymer/polyol compositions provide, by reaction with a polyisocyanate, polyurethanes having improved moldability and physical properties along with self-mold-release characteristics, and are particularly suitable for producing polyurethane by RIM process. | ||||||
| 203 | Process for the production of organic polyisocyanate-based molded polymers | US794989 | 1985-11-04 | US4764330A | 1988-08-16 | Fred A. Stuber; George H. Temme |
| An improved process for the production of organic polyisocyanate-based molded polymers prepared from at least one organic polyisocyanate and at least one polyol wherein there is employed an internal mold release agent comprising an amino-polysiloxane having at least one group of the formulaRNH-alkylene-O-bonded to a silicon atom of a polysiloxane, wherein R is selected from the group consisting of hydrogen, lower-alkyl, cycloalkyl, and ECHR"CHR'- wherein E is an electron withdrawing group and R' and R" are independently selected from the group consisting of hydrogen and methyl. The molding process can be repeated many times before the mold surfaces must be cleaned or treated with release agent. The ease of release of the molded polyurethanes makes the process particularly suitable for RIM production methods. | ||||||
| 204 | Internal mold release compositions | US641883 | 1984-08-17 | US4585803A | 1986-04-29 | Donald L. Nelson; Roney J. Matijega; Dennis P. Miller, deceased |
| Internal mold release compositions suitable for use in preparing polyurethane and polyurea moldings comprise a tertiary amine compound, a metal salt of a carboxylic acid, amidocarboxylic acid, phosphorus-containing acid or boron-containing acid. The metal is from Group IA, IB, IIA, or IIB metal or aluminum, chromium, molybdenum, iron, cobalt, nickel, tin, lead, antimony or bismuth. | ||||||
| 205 | Product | US478128 | 1983-03-23 | US4570010A | 1986-02-11 | Fred A. Stuber; George H. Temme |
| Disclosed is an improved process for the production of organic polyisocyanate-based molded polymers prepared from at least one organic polyisocyanate and at least one polyol wherein there is employed an internal mold release agent comprising an amino-polysiloxane having at least one group of the formulaRNH-alkylene--O--bonded to a silicon atom of a polysiloxane, wherein R is selected from the group consisting of hydrogen, lower-alkyl, cycloalkyl, and ECHR"CHR'-- wherein E is an electron withdrawing group and R' and R" are independently selected from the group consisting of hydrogen and methyl.The molding process can be repeated many times before the mold surfaces must be cleaned or treated with release agent. The ease of release of the molded polyurethanes makes the process particularly suitable for RIM production methods. | ||||||
| 206 | Process for producing molded particulate articles utilizing a self-releasing binder based on a sulfonic acid modified isocyanate | US422407 | 1982-09-20 | US4528153A | 1985-07-09 | Hans-Joachim Scholl; Hanns I. Sachs; Gert Jabs; Gunther Loew |
| The present invention relates to a substantially anhydrous binder having a self-releasing effect for the production of pressed articles comprising:(A) a polyisocyanate; and(B) a sulfonic acid corresponding to the general formula:R--SO.sub.3 H).sub.n whereinn represents an integer of 1 or 2;R represents an aromatic hydrocarbon radical having from 6 to 14 carbon atoms, an aliphatic hydrocarbon radical having from 10 to 18 carbon atoms, a cycloaliphatic hydrocarbon radical having from 6 to 15 carbon atoms, an araliphatic hydrocarbon radical having from 7 to 15 carbon atoms or an alkaromatic hydrocarbon radical having from 7 to 24 carbon atoms; and the equivalent ratio of the components (A) and (B) is 100:0.5 to 100:20.The invention is also directed to the use of such binders in the production of shaped articles by the hot pressing of a wide variety of organic and/or inorganic materials. | ||||||
| 207 | Internal mold release agent for use in reaction injection molding | US643612 | 1984-08-23 | US4519965A | 1985-05-28 | Ronald P. Taylor; Mark E. Cekoric; John E. Dewhurst; Saad M. Abouzahr |
| The present invention is directed to a process for the production of optionally cellular, polyurethane elastomer molding by reacting a reaction mixture containing(I) a polyisocyanate,(II) an isocyanate-reactive polymer having a molecular weight of about 1800 to 12,000,(III) about 5 to 50% by weight, based on the weight of component (II) of a chain extender comprising a sterically hindered aromatic diamine and(IV) an internal mold release agent mixture comprising(a) about 0.5 to 10% by weight, based on the weight of components (II) and (III) of a zinc carboxylate containing 8 to 24 carbon atoms per carboxylate group and(b) a compatibilizer comprising a member selected from the group consisting of nitrogen-containing, isocyanate-reactive, acyclic compounds and nitrogen-containing, isocyanate-reactive polymers in an amount sufficient to solubilize the zinc carboxylate so that when the internal mold release agent mixture is in admixture with components (II) and (III), the zinc carboxylate possesses improved resistance to precipitation,the reaction mixture being processed as a one-shot system by the RIM process at an isocyanate index of about 70 to 130. | ||||||
| 208 | Stable dispersions of polyisocyanates containing polysiloxane mold release agents | US582019 | 1984-02-21 | US4498929A | 1985-02-12 | John R. Robertson |
| The invention is directed to a liquid polyisocyanate dispersions containing an unreacted polysiloxane mold release agent which has isocyanate reactive groups. Specifically, the invention is directed to polyol modified diphenylmethane diisocyanates having dispersed therein a polysiloxane compound having pendant organic chains which contain at least one hydroxyl, amino or carboxyl functional group and a silicone dispersing or inhibiting agent substantially free of isocyanate reactive groups. | ||||||
| 209 | Solid TDI residue-dicarboxylic ester binder composition and lignocellulosic composite materials prepared therefrom | US538705 | 1983-10-03 | US4490517A | 1984-12-25 | Stephen Fuzesi; Robert W. Brown |
| Disclosed is a solid binder composition containing from about 70 to about 98 percent by weight of TDI residue and correspondingly from about 2 to about 30 percent by weight of a select ester derived from a dicarboxylic acid. When the binder composition is used in making lignocellulosic composite materials, such as particle board, the ester acts as an effective internal mold release agent, facilitating release of the composite material from the mold. | ||||||
| 210 | Silicone surfactant/organofunctional polysiloxane internal mold release agents | US497037 | 1983-05-23 | US4477366A | 1984-10-16 | John R. Robertson |
| Blends of silicone surfactants substantially free of isocyanate reactivity and certain polysiloxane compounds having pendant organic chains which have at least one isocyanate reactive functional group are useful as internal mold release agents. These blends form stable dispersions in liquid polyisocyanates for use in reaction injection molding techniques. | ||||||
| 211 | Process for reaction injection molding of silicone containing polyurethanes | US409489 | 1982-08-19 | US4457887A | 1984-07-03 | Arthur F. Porsche |
| A process of reaction injection molding of polyurethanes is disclosed which includes the mixing of one or more of each of polyols, isocyanates, and catalysts, the reaction of the foregoing ingredients, and the molding and curing of the foregoing mixture into the desired configuration, the improvement comprising mixing with the other ingredients a silicone selected from the group consisting ofZ.sub.4-a SiG.sub.a and R.sub.3-d G.sub.d SiO(Y.sub.2-b G.sub.b SiO).sub.n SiG.sub.c X.sub.3-cwherein Z, R, Y, and X are selected from the group consisting of hydrogen, substituted and unsubstituted hydrocarbon radicals, and mixtures thereof; G is a radical of the structure --D(OR").sub.m OH wherein D and R" are selected from the group consisting of substituted and unsubstituted hydrocarbon radicals, and m has a value of 1 to 50; a has a value of 1 to 4; d and c have values of 0 to 3, and b has a value of 0 to 2 wherein d, c, or b has a value of at least 1; and n has a value of 0 to 350.The incorporation of this composition aids in the release of the molded parts, shortens the molding cycle time, and, in the reaction injection molding process of polyurethanes, allows a two-stream process. | ||||||
| 212 | Compositions containing mold release agents | US306997 | 1981-09-30 | US4374222A | 1983-02-15 | Louis W. Meyer |
| Hydroxyl substituted fatty acid amides are employed as mold release agents in the preparation of molded articles from polyurethane-forming compositions. Polyol compositions containing such mold release agents are also disclosed. | ||||||
| 213 | Method of making foamed resins with internal mold-release agents | US58571 | 1979-07-18 | US4254228A | 1981-03-03 | Helmut Kleimann; Wulf von Bonin; Heinz-Georg Schneider |
| A reaction product of a fatty acid ester and an organic polyisocyanate is included in a foamable reaction mixture containing an organic polyisocyanate to provide a molded product which can be removed from a mold whose surface has not been coated with conventional mold release agents. | ||||||
| 214 | NOVEL THERMOPLASTIC POLYURETHANES, USE OF THESE MATERIAL FOR THE PREPARATION OF T-FRAMES FOR INTRAUTERINE SYSTEMS AND T-FRAMES MADE OUT OF THIS MATERIAL | PCT/EP2015078608 | 2015-12-04 | WO2016091730A9 | 2017-01-05 | TJÄDER TAINA; STENROOS NINA; WAMPRECHT CHRISTIAN; KAUFHOLD WOLFGANG |
| The present invention relates to a novel thermoplastic polyurethane (TPU) elastomer, T-frames made thereof as well as the use of the new TPU in manufacturing of T-frames for intrauterine systems for contraception and therapy. | ||||||
| 215 | MOLDED FOAM ARTICLES PREPARED WITH REDUCED MOLD RESIDENCE TIME AND IMPROVED QUALITY | PCT/US0201754 | 2002-01-23 | WO02059175A3 | 2002-10-10 | SHIDAKER TRENT A; BAREIS DAVID W; GILLIS HERBERT R |
| 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. | ||||||
| 216 | IMPROVED INTERNAL RELEASE AGENTS FOR PRODUCING POLYURETHANE MOULDED BODIES | PCT/EP9805873 | 1998-09-16 | WO9916602A9 | 2000-04-06 | HAAS PETER; PAUL REINER |
| The invention relates to improved internal release agents with a base consisting of special ammonium or metal salts of phosphoric acid esters, ammonium salts of carboxylic acids and/or ammonium or metal salts of sulphonic acids for producing cellular or compact polyurethane moulded bodies. Said moulded bodies are optionally reinforced with glass fibres and/or natural fibres. The polyurethane moulded bodies produced according to the inventive method can be laminated or coated with other materials. | ||||||
| 217 | 新規な熱可塑性ポリウレタン、子宮内システム用Ｔ型フレームを調製するためのこれらの材料の使用およびこの材料から作られたＴ型フレーム | JP2017548329 | 2015-12-04 | JP2017538853A | 2017-12-28 | タイナ・ティエデル; ニナ・ステンロース; クリスティアン・ヴァンプレヒト; ヴォルフガング・カウフホルト |
| 本発明は、新規な熱可塑性ポリウレタン(TPU)エラストマー、それでできたT型フレームならびに避妊および治療のための子宮内システム用T型フレームの製造における新たなTPUの使用に関する。 | ||||||
| 218 | 気相中においてキシリレンジイソシアネートを製造するための方法 | JP2016561299 | 2015-04-13 | JP2017517487A | 2017-06-29 | ハルパープ，ラインハルト; ウェーバー，ラルフ; サンダース，ヨーゼフ; リヒテル，フランク; シェートリヒ，エルサ・カロリーネ; シェーミュラ，アーミン; エーリッヒ，マルティン; ホーホ，セバスチャン; マレイカ，ロベルト |
| 本発明は、異性体の1,3−及び/又は1,4−キシリレンジイソシアネートを、対応する1,3−及び/又は1,4−キシリレンジアミンをホスゲンと気相中で反応させることにより製造するための方法に関する。【選択図】図1 | ||||||
| 219 | 透明なポリチオウレタン体を製造するための組成物 | JP2016561372 | 2015-04-13 | JP2017512883A | 2017-05-25 | マレイカ，ロベルト; ランゲンシュテック，フレディ; エッガルト，クリストフ; ラトーレ・マルティネス，イレーネ・クリスティーナ; サンダース，ヨーゼフ |
| 本発明は、A)一分子あたり少なくとも2個のイソシアネート基の官能基を有する少なくとも1つのポリイソシアネートを含むポリイソシアネート成分、B)一分子あたり少なくとも2個のチオール基の官能基を有する少なくとも1つのポリチオールを含むチオール成分、ならびに、任意にC)助剤及び添加剤を含むか、又は、これらからなり、イソシアネート基と、イソシアネートに反応性の基との比が0.5:1〜2.0:1である、透明なポリチオウレタン体を製造するための組成物に関する。当該組成物は、ポリイソシアネート成分A)のポリイソシアネートが、脂肪族、脂環式、芳香族又は芳香脂肪族のポリアミンの気相ホスゲン化により製造されることを特徴とする。また本発明は、この種の組成物の変換により透明なポリチオウレタン体を製造するための方法、このように製造されるポリチオウレタン体、及び、脂肪族、脂環式、芳香族又は芳香脂肪族のポリアミンの気相ホスゲン化により製造される、透明なポリチオウレタン体を製造するためのポリイソシアネートの使用に関する。【選択図】図1 | ||||||
| 220 | 内部離型剤、該内部離型剤を含む組成物および該組成物を用いたプラスチックレンズの製造方法 | JP2016531091 | 2015-12-25 | JPWO2016104744A1 | 2017-04-27 | 岡崎 光樹; 光樹 岡崎; 直志 柿沼; 基治 追木 |
| 本発明の内部離型剤は、下記一般式(1)で表されるリン酸ジエステル化合物を少なくとも1種含む。(式中、R1およびR2は独立して、少なくとも1つの水酸基で置換されていてもよい炭素数1〜30の炭化水素基を表し、R3は炭素数2〜4のアルキレン基を表す。複数存在するR3は同一でも異なっていてもよい。Mは水素原子、アンモニウムイオン、アルカリ金属イオン、または1/2価のアルカリ土類金属イオンを表し、nは1〜60の整数を表す。) | ||||||
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