| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Polyurethane Elastic Memory Material that Emits Nano-negative Ion Far Infrared Rays and a Method for Preparing the Same | US12510943 | 2009-07-28 | US20100029798A1 | 2010-02-04 | Kwok Wah Yau |
| A polyurethane elastic memory material that emits nano-negative ion far infrared rays and a method for preparing the same is disclosed. A nano-negative ion far infrared ray emitting additive that belongs to the Lianfuya Established Series is added to polyester and/or polyether polyol to create a polyurethane elastic memory foam material that emits negative ions at a rate of 3,000 negative ions/cm3 or more. The negative ions and far infrared rays provide for a positive effect in the treatment of many ailments. | ||||||
| 242 | SHAPE MEMORY POLYMERS BASED ON SEMICRYSTALLINE THERMOPLASTIC POLYURETHANES BEARING NANOSTRUCTURED HARD SEGMENTS | US12403410 | 2009-03-13 | US20090253842A1 | 2009-10-08 | Patrick T. Mather; Changdeng Liu; Qing Ge |
| Thermoplastic polyurethanes having an alternating sequence of hard and soft segments in which a nanostructured polyhedral oligosilsesquioxane diol is used as a chain extender to form a crystalline hard segment constituting SMPs. The polyurethanes are formed by reacting a polyol, a chain extender dihydroxyl-terminated polyhedral oligosilsesquioxane and a diisocyanate. The polyurethanes have multiple applications including for example, implants for human health care, drug delivery matrices, superabsorbant hydrogels, coatings, adhesives, temperature and moisture sensors, etc. | ||||||
| 243 | SHAPE MEMORY POLYMER WITH POLYESTER AND POLYACRYLATE SEGMENTS AND PROCESS FOR ITS PRODUCTION AND PROGRAMMING | US12248905 | 2008-10-10 | US20090076223A1 | 2009-03-19 | Steffen Kelch; Andreas Lendlein; Ingo Bellin |
| The invention relates to a shape memory polymer, to a process for its production and to a process for its programming. The inventive shape memory polymer has at least two switching segments with different transition temperatures (Ttrans,1, Ttrans,2) such that the polymer, depending on the temperature, as well as a permanent shape (PF), can also assume at least two temporary shapes (TF1, TF2). The first switching segment is based essentially on a polyester of the general formula (I) where n=1 . . . 6 or a copolyester of the general formula (I) with different n or a derivative thereof. The second switching segment is based essentially on a polyacrylate of the general formula (II) in which R is H or CH3, and R1 is a saturated or unsaturated, cyclic or aliphatic, unsubstituted or substituted C1-C10 radical. | ||||||
| 244 | POLYMER BLEND FOR PRODUCING SHAPE-MEMORY FOAM, FOAM THEREOF AND METHOD FOR PRODUCING THE FOAM | US11864929 | 2007-09-29 | US20090036563A1 | 2009-02-05 | Chia-Hon Tai; Hong-Fan Lin; Fu-Yu Tsai; Yu-Hsin Tsai |
| A shape-memory polymer foam is disclosed, which is formed by kneading a shape-memory copolyester with a polymeric material having a relatively lower crystallinity in a weight ratio of 15:85 to 85:15 and then conducting a foaming process. The shape-memory copolyester is a random copolymer formed from a dicarboxylic acid mixture and a diol in excess through esterfication and polycondensation. The dicarboxylic acid mixture includes 30-99 mol % of an aromatic dicarboxylic acid and 70-1 mol % of a straight aliphatic dicarboxylic acid of C4-C10. The diol includes a straight aliphatic diol of C2-C10. | ||||||
| 245 | Amorphous Polyester Urethane Networks Having Shape Memory Properties | US10570073 | 2004-08-16 | US20080319132A1 | 2008-12-25 | Andreas Lendlein; Armin Alteheld |
| In order to avoid structural heterogeneities in the networks, in accordance with the invention under consideration, a novel system of amorphous polymer networks comprising one or several segments with shape memory properties is provided. The networks are preferably composed of biodegradable and biocompatible components and open up the possibility for use in the medical domain. The systemic character of the materials allows the thermal and mechanical properties as well as the decomposition behavior to be adjusted in a specific manner. The invention under consideration particularly makes it possible to produce polyphase amorphous networks. | ||||||
| 246 | Shape memory polymers | US11820693 | 2007-06-20 | US20080177303A1 | 2008-07-24 | Mitchell L. Anthamatten; Jiahui Li |
| The present disclosure relates to Shape Memory Polymers (SMP's) comprising function groups that allow the polymers to be elastically deformed, utilized in the elastically deformed state, and subsequently returned to the original polymorphic shape. | ||||||
| 247 | Polyester compositions, methods of manufacturing said compositions, and articles made therefrom | US11541514 | 2006-09-28 | US20080081881A1 | 2008-04-03 | Brian J. Swetlin; Kenneth A. Mazich; Shaun Adkins Leone |
| Crosslinked polymer compositions have backbones with first and second divalent saturated aliphatic moieties, a divalent saturated aliphatic secondary alcohol moiety, and a trivalent saturated aliphatic moiety. Hydrolytically labile ester bonds joined together these moieties. These polyesters may be polycondensation reaction products of a diol, a triol and a diacid. A molar ratio of the first divalent saturated aliphatic moiety, the divalent saturated aliphatic secondary alcohol moiety, and the trivalent saturated aliphatic moiety to the second divalent saturated aliphatic moiety is in the range of about 0.85 to about 1.5. Preferably, these polyesters are non-cytotoxic, biocompatible, bioabsorbable, or exhibit shape memory behavior with at least one transition temperature of greater than about 30° C. and less than about 100° C. and most preferably exhibit each of these qualities. The compositions may be adapted for a wide variety of uses, including medical applications. | ||||||
| 248 | Blends with shape memory characteristics | US10552654 | 2004-03-23 | US20070088135A1 | 2007-04-19 | Andreas Lendlein; Ute Ridder |
| The invention relates to a polymer blend with shape-memory characteristic comprising two different block copolymers each containing at least one hard segment and at least one soft segment, whereby the two different block copolymers comprise the same soft segment and only differ with regard to the hard segment. | ||||||
| 249 | Interpenetrating networks | US10418885 | 2003-04-17 | US07037984B2 | 2006-05-02 | Andreas Lendlein; Annette Schmidt |
| The present invention relates to the penetrating networks comprising a covalently crosslinked polymer component and a polyester urethane component. The materials in accordance with the present invention are suitable in particular as materials for medicinal purposes, as implants, for target controlled stimuli-sensitive drug release, as ligament augmentation and as replacement material for inter-vertebrae disks. | ||||||
| 250 | Matrix resin composition for fiber-reinforced plastics and process for production of fiber-reinforced plastics | US10492940 | 2002-10-31 | US20050072522A1 | 2005-04-07 | Noriya Hayashi; Shunichi Hayashi; Norio Miwa; Toshikatsu Nohara |
| Provided are a matrix resin composition for fiber reinforced plastic, which comprises a bifunctional or trifunctional liquid diisocyanate, a bifunctional polyol and a bifunctional chain extender containing an active hydrogen group, with a molar ratio of the functional groups of the diisocyanate, polyol and chain extender of 5.0 to 1.0:1.0:4.0 to 0, respectively; and a process for producing fiber reinforced plastic, which comprises impregnating a fibrous material with the resin composition and then curing. The present invention makes it possible to produce a molding containing fibers densely, having excellent strength and inflatability, in the production of an FRP molding by using a thermosetting resin having an extended pot life. | ||||||
| 251 | Polyester urethanes | US10418615 | 2003-04-17 | US06852825B2 | 2005-02-08 | Andreas Lendlein; Annette Schmidt; Karl Kratz; Jürgen Schulte |
| The present invention relates to polyester urethanes comprising polypentadecalactone segments. These polyester urethanes do show good properties which may be adjusted in a controlled manner. In preferred embodiments the polyester urethanes display additionally polycaprolactone segments. Such polymer may show shape memory effects. | ||||||
| 252 | Shape memory polyurethane or polyurethane-urea polymers | US10054742 | 2002-01-22 | US20020161114A1 | 2002-10-31 | Pathiraja A. Gunatillake; Simon J. McCarthy; Gordon F. Meijs; Raju Adhikari |
| A shape memory polyurethane or polyurethane-urea polymer including a reaction product of: (A) (a) silicon-based macrodiol, silicon-based macrodiamine and/or polyether of the formula (I): Anullnull(CH2)mnullOnullnnull(CH2)mnullAnull, wherein A and A are endcapping groups; m is an integer of 6 or more; and n is an integer of 1 or greater; (b) a diisocyanate; and (c) a chain extender; or (B) (b) a diisocyanate: and (c) a chain extender, said polymer having a glass transition temperature which enables the polymer to be formed into a first shape at a temperature higher than the glass transition temperature and maintained in said first shape when the polymer is cooled to a temperature lower than the glass transition temperature, said polymer then being capable of resuming its original shape on heating to a temperature higher than the glass transition temperature. The present invention also relates to a shape memory composition which includes a blend of two or more of the shape memory polyurethane or polyurethane-urea polymers defined above or at least one shape memory polyurethane or polyurethane-urea polymer defined above in combination with another material. The present invention further relates to processes for preparing materials having improved mechanical properties, clarity, processability, biostability and/or degradation resistance and devices or articles containing the shape memory polyurethane or polyurethane-urea polymer and/or composition defined above. | ||||||
| 253 | Polyurethane foams | US174908 | 1993-12-29 | US5418261A | 1995-05-23 | Stefan E. L. Helsemans; Gerhard Bleys |
| A method for the preparation of shape memory polyurethane foams by reacting a polyisocyanate component and a polyol composition in the presence of a foaming agent comprising water wherein the polyisocyanate component contains at least 85% by weight of 4,4'-diphenylmethane diisocyanate or a variant thereof and the polyol composition comprises at least one polyoxyalkylene polyol containing oxyethylene residues, said polyol composition having an average nominal hydroxyl functionality of from 2.2 to 6, an average oxyethylene content of at least 86% by weight and an average hydroxyl equivalent weight from 250 to 1500. | ||||||
| 254 | Shape memory Transparent body and method of using the same | US671098 | 1991-03-18 | US5135786A | 1992-08-04 | Shunichi Hayashi; Yoshiaki Wakita |
| A shape memory transparent body formed from a shape memory transparent polymer having a glass transition point higher than the temperature at which the transparent body is used, said transparent body remembering a basic shape, taking on a second shape upon heating to a temperature higher than the glass transition point and subsequent cooling to a temperature lower than the glass transition point, with the transparent body kept deformed by an external force for the setting of the deformed shape, and restoring the basic shape upon heating to a temperature higher than the glass transition point; and a method of using the shape memory transparent body. | ||||||
| 255 | Densifiable and re-expandable polyurethane foam | US547648 | 1990-07-02 | US5032622A | 1991-07-16 | Ronald M. Herrington; Robert B. Turner; Robert M. Harnden |
| Polyurethane foams having a specified glass transition temperature are densified for transportation or other purposes by heating the foam to a temperature above its T.sub.g, compressing the heated foam, and then cooling the compressed foam to a temperature below its T.sub.g. The cooled foam remains in a densified state until re-heated to a temperature above its T.sub.g, whereupon it re-expands to assume its original dimensions. | ||||||
| 256 | Articles with polyurethane resin having memory shape characteristics and method of utilizing same | US401862 | 1989-09-01 | US4990545A | 1991-02-05 | Kouzi Hourai; Yoshio Kobayashi; Katsuhiko Ikegami |
| A thermoplastic or thermoset article, a porous sheet, a paint composition, and a synthetic leather which are characterized with a memory shape or a healable characteristics comprising a polyurethane resin obtained by reacting a polyisocyanate and aromatic and/or alicyclic polyol is disclosed. The polyurethane comprises at least 15% by weight in total of a ring component derived from the above polyol.The original (memorized) shape of the article or the porous sheet is reshaped into another desired form below 130.degree. C., and locked into below 40.degree. C. Those material can be reverted back to their original shape by heating above 40.degree. C. The memorized shape as an original shape of the thermoplastic article or the porous sheet can be changed by maintaining it in a desired shape at a temperature 130.degree..about.230.degree. C.When the paint or the synthetic leather is scratched or creased to its surface, they can be healed by heating above 40.degree. C. | ||||||
| 257 | Squeezable toy with dimensional memory | US25849 | 1987-03-16 | US4725627A | 1988-02-16 | Sigurdur I. Arnason; Michael A. Kunke |
| Disclosed is a sculpted, hand-squeezable toy which possesses dimensional memory and has a predetermined dimensional memory restoration time. The toy is made by blending a foamable hydrophilic polyurethane isocyanate-functional prepolymer, a vinyl or acylic polymer emulsion recovery rate modifier, water, and an organic cosolvent. The blend then is charged to a mold for the foamed toy to be made therein. The proportion of organic cosolvent present and the temperature of the blend being molded are variables for determining the predetermined dimensional memory restoration time of the toy after it has been squeezed. | ||||||
| 258 | CURABLE RESIN COMPOSITION, COMPOSITION FOR MOLDING, RESIN MOLDED ARTICLE, AND METHOD FOR PRODUCING RESIN MOLDED ARTICLE | US15753015 | 2016-08-12 | US20180237599A1 | 2018-08-23 | Toshiaki SHIRASAKA; Kosuke YOKOYAMA; Kazumasa TAKEUCHI; Bungo OCHIAI; Kazuki CHIBA; Tomonari KIRYU |
| Disclosed is a curable resin composition that includes radical polymerizable monomers including a monofunctional radical polymerizable monomer, a linear or branched polymer containing a polyoxyalkylene chain, and a radical polymerization initiator. | ||||||
| 259 | STRUCTURED SURFACE COMPRISING A SHAPE MEMORY POLYMER FOR MANIPULATING LIQUID DROPLETS | US15878622 | 2018-01-24 | US20180207641A1 | 2018-07-26 | Seok Kim; Jun Kyu Park |
| A device for manipulating liquid droplets comprises a structured surface including an array of larger pillars and a number of smaller pillars distributed among the larger pillars, where each of the larger pillars comprises a shape memory polymer having a glass transition temperature Tg. The structured surface has an undeformed initial configuration, and, upon compression of the larger pillars, the structured surface comprises a deformed configuration. The undeformed initial configuration is recoverable from the deformed configuration by heating the shape memory polymer at or above the Tg. When exposed to a liquid droplet, the structured surface comprises a first wettability in the deformed configuration and a second wettability in the undeformed initial configuration. Thus, the structured surface exhibits a dynamic wettability for manipulating liquid droplets. | ||||||
| 260 | SHAPE-MEMORY POLYMERS AND METHODS OF MAKING AND USE THEREOF | US15579629 | 2016-06-06 | US20180155492A1 | 2018-06-07 | Mitchell ANTHAMATTEN; Yuan MENG |
| Described are shape-memory polymers that have a composite prepolymer crosslinked with a stoichiometric amount of a multifunctional crosslinker, the composite prepolymer having a branched or telechelic prepolymer having a low polydispersity reacted with a non-crystalline chain extender. Also described are methods of making shape-memory polymers by reacting a branched or telechelic prepolymer having a low polydispersity with a non-crystalline chain extender to form a composite prepolymer, and crosslinking a stoichiometric amount of a multifunctional crosslinker with the composite prepolymer, thereby forming the shape-memory polymer. | ||||||
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