| 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 | Composite articles having an aesthetic visual surface for use in aqueous environments, and compositions suitable for the preparation thereof | US10950086 | 2004-09-24 | US20050075450A1 | 2005-04-07 | Robert Raday; Curtis Reichel |
| Highly damage resistant fiber reinforced composites are prepared from polyurethane systems employing a highly hydrophobic polyol component and an isocyanate prepolymer, the combination having a combined functionality greater than 5. The polyurethane systems may be used for gel coats and matrix resins, and produce substantially no volatile emissions. The systems are particularly useful for boat hulls and like products. | ||||||
| 162 | Material consisting of a polyurethane gel, production method and uses thereof | US10484528 | 2004-01-16 | US20040234726A1 | 2004-11-25 | Barbara Pause; Adolf Stender; Peter Gansen |
| The invention relates to polyurethane gel materials containing finely-dispersed phase change materials (PCMs), (e.g. crystalline saturated hydrocarbons). Said materials permit a thermal regulation by means of thermal absorption and thermal dissipation in the phase transition range of the PCMs, which becomes apparent in terms of improved comfort in the use of the novel material for shoe soles, bicycle saddles, chair cushions or similar. | ||||||
| 163 | Water-blown foams of low apparent density | US10282706 | 2002-10-29 | US06822011B2 | 2004-11-23 | Rolf Albach; Eduard Mayer; Juan Cirujeda-Ranzenberger |
| The invention relates to foam having an apparent density of less than 100 kg/m3, in which water is predominantly used as the blowing agent, and to products that contain such foams. The mentioned foams have a large proportion of open cells (>80%). | ||||||
| 164 | Multilayer coating systems containing a gel-like base layer and a polyurethane topcoat, and their production and use | US09917457 | 2001-07-27 | US06762243B2 | 2004-07-13 | Adolf Stender; Claus Kobusch; Wolfram Küttner |
| The present invention relates to a coating system containing I) anhydrous, gel-like, high molecular weight polyurethane compositions, which may contain active substances, based on (1) 15 to 62 wt. %, based on the weight of 1) and 2), of a high molecular weight covalently crosslinked polyurethane matrix and (2) 38 to 85 wt. %, based on the weight of 1) and 2), of a liquid dispersing agent firmly bound in the matrix by secondary valence bonds, wherein the liquid dispersing agent contains one or more polyhydroxyl compounds having a number average molecular weight of 1000 to 12000 and an OH number of 20 to 112, wherein the dispersing agent is substantially free from hydroxyl compounds having a molecular weight below 800, and II) solvent-containing, solvent-free and/or aqueous polyurethane topcoats. | ||||||
| 165 | Gel coat composition for in mold finish process | US10623922 | 2003-07-21 | US20040023050A1 | 2004-02-05 | Sheila F. Kia; Devi N. Rai; Hamid G. Kia |
| Composite articles are prepared by a spray up operation. In a first step, a gel coat is applied onto a mold surface which has been optionally pretreated with a mold release coating. Next, a barrier coat is applied over the gel coat in the mold and thereafter a laminate formula is applied over the barrier coat. The laminate contains from 20-60% by weight reinforcing fibers. In a preferred embodiment, the multilayer composite has a thickness of about 15 mm or less, and is useful as an automobile body panel. The gel coat contains a curable polyester polyurethane acrylate resin, and the composite article has a surface that has high gloss and color retention after prolonged exposure to ultraviolet radiation. The laminate preferably comprises a low shrink, low density glass fiber filled polyester resin. In a preferred embodiment, the paste of the laminate contains a dicyclopentadiene unsaturated polyester resin, polymeric hollow microspheres, and an initiator capable of initiating curing at room temperature or at temperature of 50null C. or less. | ||||||
| 166 | Material made from a polyurethane gel, production process and uses | US10199795 | 2002-07-19 | US20030088019A1 | 2003-05-08 | Barbara Pause; Adolf Stender; Peter Gansen |
| Polyurethane gel materials comprising finely divided Phase Change Materials (PCMs)nullfor example crystalline saturated hydrocarbonsnullfacilitate heat regulation due to heat absorption and heat release in the phase transition range of the PCM, which improves comfort when using the gel material in items such as shoe soles, bicycle seats, chair cushions and the like. | ||||||
| 167 | Multilayer coating systems containing a gel-like base layer and a polyurethane topcoat, and their production and use | US09917457 | 2001-07-27 | US20020123562A1 | 2002-09-05 | Adolf Stender; Claus Kobusch; Wolfram Kuttner |
| The present invention relates to a coating system containing I) anhydrous, gel-like, high molecular weight polyurethane compositions, which may contain active substances, based on (1) 15 to 62 wt. %, based on the weight of 1) and 2), of a high molecular weight covalently crosslinked polyurethane matrix and (2) 38 to 85 wt. %, based on the weight of 1) and 2), of a liquid dispersing agent firmly bound in the matrix by secondary valence bonds, wherein the liquid dispersing agent contains one or more polyhydroxyl compounds having a number average molecular weight of 1000 to 12000 and an OH number of 20 to 112, wherein the dispersing agent is substantially free from hydroxyl compounds having a molecular weight below 800, and II) solvent-containing, solvent-free and/or aqueous polyurethane topcoats. | ||||||
| 168 | Hydrophilic, self-adhesive polyurethane gel substances | US09180288 | 1998-11-03 | US06191216B1 | 2001-02-20 | Otto Ganster; Jörg Büchner; Jochen Werner Kenndoff; Günther Sachau |
| The invention relates to improved hydrophilic, polyurethane gel substances and foams, the use of polyurethane gel substances for pressure-distributing, in particular self-adhesive polyurethane-(foam) gels, and the use of said polyurethane gel substances for moulded structures and adhesive coatings. | ||||||
| 169 | Polyurethane pressure-sensitive adhesives | US768735 | 1996-12-18 | US5952422A | 1999-09-14 | Tak-lung Chang; Sheng-hung Kuo; Kishore Shah; Agis Kydonieus |
| Method for forming a polyurethane based adhesive composition in which a reaction mixture of at least one NCO-terminated prepolymer and a polyhydroxy compound is heated at a temperature and for a length of time sufficient to provide a gel content of from about 30 to 42% by weight and a molecular weight of extractables of at least about 45,000. Polyurethane based adhesives prepared by the method and medical devices employing the same are also disclosed. | ||||||
| 170 | Curable composition containing unsaturated polyester and isocyanate prepolymer | US832794 | 1997-04-04 | US5936034A | 1999-08-10 | Stuart Smith |
| The present invention provides a process for producing gel-coated, shaped articles wherein the total processing time is decreased compared to conventional processes and the physico-mechanical properties of the gel-coated, shaped articles produced therefrom are maintained. | ||||||
| 171 | Encapsulated materials | US390349 | 1995-02-17 | US5932285A | 1999-08-03 | E. C. Lupton; Xiaohong Yu; Lev Bromberg; Barry Joseph Hand |
| Methods and compositions for encapsulated polymeric gels swollen with nonaqueous reactive materials are provided. The methods include gel synthesis, swelling of a gel precursor with a first nonaqueous reactive material, and encapsulation of the swollen gel with a second nonaqueous reactive material. Gels precursors may be synthesized from crosslinking polymers, or alternatively, may be formed by crosslinking and polymerizing a monomer starting material. An accelerator may be utilized to facilitate swelling of the gel precursor with the first nonaqueous reactive material. Foams and composites may also be swollen with the first nonaqueous reactive material. The swollen gel is then contacted with a second nonaqueous reactive material such that an encapsulation layer is formed thereby. The encapsulated gels may be stored for subsequent use. The methods further include release of the first nonaqueous reactive material encapsulated within the gel under conditions which compromise the integrity of the encapsulation layer. The released first nonaqueous reactive material is then reacted with a nonaqueous reactive material, the reaction product being a useful product for a variety of applications such as coatings, adhesives, sealings, caulking, laminating materials, electrical coatings and the like. | ||||||
| 172 | Process for the production of gel-coated shaped articles | US951489 | 1997-10-16 | US5904986A | 1999-05-18 | Stuart Smith |
| The present invention provides a process for producing gel-coated, shaped articles wherein the total processing time is decreased compared to conventional processes and the physico-mechanical properties of the gel-coated, shaped articles produced therefrom are maintained. | ||||||
| 173 | Encapsulated materials | US487857 | 1995-06-07 | US5726456A | 1998-03-10 | E. Cornelius Lupton; Xiaohong Yu; Lev Bromberg; Barry Joseph Hand |
| Methods and compositions for encapsulated polymeric gels swollen with nonaqueous reactive materials are provided. The methods include gel synthesis, swelling of a gel precursor with a first nonaqueous reactive material, and encapsulation of the swollen gel with a second nonaqueous reactive material. Gels precursors may be synthesized from crosslinking polymers, or alternatively, may be formed by crosslinking and polymerizing a monomer starting material. An accelerator may be utilized to facilitate swelling of the gel precursor with the first nonaqueous reactive material. Foams and composites may also be swollen with the first nonaqueous reactive material. The swollen gel is then contacted with a second nonaqueous reactive material such that an encapsulation layer is formed thereby. The encapsulated gels may be stored for subsequent use. The methods further include release of the first nonaqueous reactive material encapsulated within the gel under conditions which compromise the integrity of the encapsulation layer. The released first nonaqueous reactive material is then reacted with a nonaqueous reactive material, the reaction product being a useful product for a variety of applications such as coatings, adhesives, sealings, caulking, laminating materials, electrical coatings and the like. | ||||||
| 174 | Self-adhesive sheet-like structures, process for their preparation and their use | US669402 | 1984-11-08 | US4661099A | 1987-04-28 | Miklos von Bittera; Dietmar Schapel; Ulrich von Gizycki; Roland Rupp |
| The present disclosure is concerned with self-adhesive sheet-like structures made by adhering an adhesive polyurethane gel material to a supporting substrate and the utilization of such structures in the medical field to adhere materials such as plasters, wound dressings and appliances to the human body, and in other fields to connect articles, such as the parts of a fractured or cracked object, to one another by means of an adhesive bond. The gel is formed by immobilizing a high molecular weight polymeric polyol in the matrix of a covalently crosslinked polyurethane which is prepared by reacting polyisocyanates having an isocyanate functionality of at least 2 with higher molecular weight polyhydroxyl compounds having a hydroxyl functionality of at least 3. These reactants are selected in accordance with the following formula which relates the isocyanate number, K, (isocyanate to hydroxyl equivalents ratio times 100) to the average functionalities of the polyisocyanates (F.sub.I) and of the polyhydroxyl compounds (F.sub.P) as follows: ##EQU1## wherein X is less than or equal to 120. These reactants are also selected to give a weight ratio of matrix to immobilized polymeric polyol of between about 15:85 and 62:38. | ||||||
| 175 | Liquid compositions comprising gelled urethane polymer | US3748294D | 1971-08-02 | US3748294A | 1973-07-24 | KERSHAW R; POLGAR L |
| A PROCESS IS DISPERSED WHEREBY LIQUID, SELF-STABILIZED GELS OF URETHANE POLYMER FREE OF VISIBLE GEL PARTICLES, IN AN INERT ORGANIC LIQUID ARE PREPARED FROM POLYISOCYANATE AND POLYHYDROXY REACTANTS WHICH WOULD OTHERWISE COREACT TO FORM VISIBLE GELS. THE LIQUIDS ARE USEFUL PER SE FOR THE MANUFACTURE OF SURFACE COATINGS AND BLENDS THEREOF WITH CONVENTIONAL COATINGS COMPOSITIONS, ESPECIALLY OF THE AIR-DRYING ALKYD RESIN TYPE, ENHANCE THROUGH-DRYING RATES AND RETARD WRINKLING.
|
||||||
| 176 | Organic polyisocyanate gels and urethane polymers therefrom | US3523917D | 1967-07-07 | US3523917A | 1970-08-11 | DICKERT EUGENE A; SILVERWOOD HARTLEY A |
| 177 | 폴리에테르기를 갖는 폴리유기실록산 겔 | KR1020167015968 | 2014-12-15 | KR101883580B1 | 2018-07-30 | 크뇌르세바스티안 |
| 본발명은 (1a) 불포화유기폴리실록산수지및 (1b) 폴리옥시알킬화된, 말단불포화알콜과, (2) 일반식 I: HRSiO(RSiO)(RHSiO)SiRH[상기식 중에서, c는 0 또는 1이고, R은동일하거나또는상이할수 있고, 탄화수소기당 1 내지 18개의탄소원자를포함하는, 경우에따라치환되는 1가의탄화수소기이며, a 및 b는정수이나, 단, a+b의총합은 66 내지 248이고, 유기폴리실록산 (2)는 0.011 내지 0.044 중량%의양으로 Si-결합된수소를함유하며, 분자당 Si-H 기의개수는평균적으로 2개초과, 5개미만임]의 Si-H 작용성유기폴리실록산과 (2') 하기일반식 I': HRSiO(RSiO)(RHSiO)SiRH[상기식 중에서, R과 c는상기정의된바와같으며, a 및 b는정수이나, 단, a+b의총합은 8 내지 248이고, 유기폴리실록산 (2')는 0.045 내지 0.35 중량%, 바람직하게는 0.045 내지 0.156 중량%의양으로 Si-결합된수소를함유함]의 Si-H 작용성유기폴리실록산의혼합물을, (3) Si-결합된수소의지방족다중결합을촉진하는촉매에의부착의존재하에반응시킴으로써제조되는신규한폴리유기실록산겔로서, (1a), (1b) 및 (2)와 (2')의혼합물이 (4) 희석제, 바람직하게는 2 내지 200개의 Si 원자를갖는유기폴리실록산중에, 또는유기희석제중에분산되는것인유기폴리실록산겔에관한것이다. | ||||||
| 178 | 향상된 열안정성을 갖는 겔 | KR1020147012181 | 2012-02-09 | KR1020140094533A | 2014-07-30 | 뱅웨이거도랍이.; 현대섭; 메싱켈리제이.; 라슨켄트알. |
| Gel has improved thermal stability and is a hydrosilylation reaction product of (A) organic polysiloxane having 0.1 or more silicon-bonded alkenyl groups per molecule on average and (B) a cross bonding agent having two or more silicon-bonded hydrogen atoms per molecule on average. (A) and (B) react through hydrosilylation under the presence of (C) a hydrosilylation catalyst and (D) phthalocyanine. The amount of (D) the phthalocyanine is 0.05-30 wt% based on the total weight of (A) and (B). The hardness of the gel is about less than 1,500 g when measured after performing thermal aging at 225°C for 1,000 hours, and the hardness is calculated in weight required to insert a TA-23 detection probe into the gel until the depth of 3 mm. | ||||||
| 179 | 지방족 이소시아네이트로부터 유도된 단위를 갖는폴리우레탄을 포함하는 폴리에스테르-폴리우레탄 혼성 수지성형 조성물 | KR1020087005021 | 2006-08-21 | KR101318682B1 | 2013-10-16 | 모리스래리; 홀리우디; 서루지켄; 보쉐프레데릭 |
| 하기를 포함하는 조성물을 포함하는, 혼성 수지 조성물이 개재되어 있다: A. 지방족 다관능성 이소시아네이트 화합물 및 자유 라디칼 중합 개시제를 포함하는 A 부분 조성물; 및 B. 에틸렌성 불포화된, 실질적으로 무수(water-free)인, 폴리에스테르 폴리올 및 폴리우레탄 촉매를 포함하는 B 부분 조성물. A 부분 조성물은 비-간섭(non-interfering) 용매, 예를 들어, 스티렌을 함유할 수 있고, B 부분 조성물은 전형적으로 산가(acid value) 5 이하(고체에 기초함)를 갖는다. 실외 용도를 위해, B 부분 조성물에 바람직하게는 3차 수소, 에테르 글리콜 및 테레프탈산 잔류물이 부재한다. 혼성 수지, 이소시아네이트, 폴리에스테르 폴리올, 폴리우레탄, 열경화성 수지 | ||||||
| 180 | 폴리우레탄 겔 및 이의 제조방법 | KR1020117002271 | 2009-03-25 | KR1020120034585A | 2012-04-12 | 쪼네프,쯔베토미르; 파울만,우베; 베렌트,게르하르트 |
| 본 발명은 특이 조성물 및 특이 첨가물로 사용되고, 다양한 적용분야에서 다양한 종류의 기능을 수행할 수 있는 폴리우레탄 겔 및 이의 제조방법에 관한 것이다.
보다 구체적으로, 상기 폴리우레탄 겔은 폴리우레탄 형성을 위한 하나 이상의 촉매(A5) 존재 하에서 이하를 포함하는 폴리우레탄 시스템의 전환으로 생산 가능한 것이다: (A1) 주로 하이드록시 기능기가 2 내지 4개인 출발분자에 프로필렌옥사이드를 가해 제조되고, 하이드록실 수가 28 내지 90 mg KOH/g인 하나 이상의 폴리에터 알코올, (A2) 주로 하이드록시 기능기가 2 내지 4개인 출발분자에 프로필렌옥사이드를 가해 제조되고, 하이드록실 수가 240 내지 850 mg KOH/g인 하나 이상의 폴리에터 알코올, (B1) 하나 이상의 디이소시아네이트, (B2) 바람직하게는 디이소시아네이트의 삼량체화로 제조되는 하나 이상의 트리이소시아네이트, (A3) 주어진 기능을 만족하는 적어도 하나의 첨가물, 및 (A4) 입자 크기가 1 내지 650 nm인 적어도 하나의 첨가물. |
||||||
QQ群二维码
意见反馈
意见反馈