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 Methods for manufacturing polyurethanes US10715552 2003-11-19 US20050107563A1 2005-05-19 Jinlian Hu; Zhuohong Yang; Kwok-Wing Yeung; Subrata Mondal
This invention provides water-dispersible polyurethanes made by a difunctional alcohol, a difunctional isocyanate, and a chain extender containing reactive hydrogen groups.
162 Shape memory polyurethane or polyurethane-urea polymers US10054742 2002-01-22 US06858680B2 2005-02-22 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): A—[(CH2)m—O]n—(CH2)m—A′, 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.
163 Polyester urethanes US10418615 2003-04-17 US20040014929A1 2004-01-22 Andreas Lendlein; Annette Schmidt; Karl Kratz; Jurgen 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.
164 Polyurethane elastomer article with "shape memory" and medical devices therefrom US09728617 2000-11-30 US20020065373A1 2002-05-30 Mohan Krishnan
A polyurethane article with shape memory, comprising a mixture of thermoplastic polyurethane and reactive monomer cross-linker which is formed into a shaped article, irradiated, expanded and applied to a medical device, specifically a biomedical electrical lead.
165 Compositions that soften at predetermined temperatures and the method of making same US478261 1995-06-07 US5814705A 1998-09-29 Robert S. Ward; Judy S. Riffle
The present invention provides a composition that softens at a predetermined temperature, preferably between about 20.degree. C. and 90.degree. C., and more preferably between about 20.degree. C. and about 62.degree. C., comprising at least one block copolymer having at least two thermal transition temperatures. The composition is characterized by at least two thermal transition temperatures, one of which is a predetermined lower transition temperature, preferably between about 20.degree. C. to 90.degree. C., and more preferably between about 20.degree. C. to about 62.degree. C., and one of which is an upper transition temperature. The present invention also provides a method of making the composition, a method of making biomedical materials and articles, and toys and toy components, with shape-memory properties from the composition, and biomedical materials and articles, and toys and toy components, with shape-memory properties made from the composition.
166 Compositions that soften at predetermined temperatures and the method of making same US19248 1993-02-18 US5506300A 1996-04-09 Robert S. Ward; Judy S. Riffle
The present invention provides a composition that softens at a predetermined temperature, preferably between about 20.degree. C. and 90.degree. C., and more preferably between about 20.degree. C. and about 62.degree. C., comprising at least one block copolymer having at least two thermal transition temperatures. The composition is characterized by at least two thermal transition temperatures, one of which is a predetermined lower transition temperature, preferably between about 20.degree. C. to 90.degree. C., and more preferably between about 20.degree. C. to about 62.degree. C., and one of which is an upper transition temperature. The present invention also provides a method of making the composition, a method of making biomedical materials and articles, and toys and toy components, with shape-memory properties from the composition, and biomedical materials and articles, and toys and toy components, with shape-memory properties made from the composition.
167 Shape memory polyurethane elastomer molded article US413771 1989-09-28 US5145935A 1992-09-08 Shunichi Hayashi
A shape memory polyurethane elastomer molded article formed from a polyurethane elastomer which has a degree of crystallinity of 3.about.50 wt %, contains approximately equal amounts of [NCO] groups and [OH] groups at the terminals of the polymer, and is polymerized by the prepolymer method from a difunctional diisocyanate, a difunctional polyol, and a difunctional chain extender containing active hydrogen groups, which are formulated in a molar ratio of diisocyanate: polyol: chain extender=2.00.about.1.10: 1.00: 1.00.about.0.10, preferably 1.80.about.1.20: 1.00: 0.80.about.0.20. It is capable of melt molding such as injection molding, extrusion molding, and blow molding, and can be manufactured freely without being restricted by the shape of the molded article.
168 Shape memory film US420565 1989-10-12 US5139832A 1992-08-18 Shunichi Hayashi; Hiroshi Fujimura; Makoto Shimizu
A shape memory film formed from a shape memory transparent polymer, said shape memory film being capable of remembering a basic shape such as plane configuration and dead folds, taking on a second shape when the basic shape is modified (by changing the plane configuration and adding dead folds, twists, three-dimensional configurations, etc.) at a temperature higher than the glass transition point of the polymer and lower than the molding temperature of the polymer, and having the second shape set when cooled to a temperature lower than the glass transition point while being kept in the second shape; and a method of using said shape memory film by setting the second shape and subsequently heating the film to a temperature higher than the glass transition point, thereby causing the film to restore its basic shape.
169 Low-hygroscopic sulfur-containing urethane resin, coating material and adhesive US483768 1990-02-23 US5126425A 1992-06-30 Katsuyoshi Sasagawa; Yoshinobu Kanemura; Masao Imai
There are here provided a low-hygroscopic sulfur-containing and crosslinked structure-having urethane resin, urethane resin plate and shape-recoverable molding article which is prepared by first selecting a polyisocyanate compound having m (which is an integer of 2 or more) isocyanate groups in one molecule and a polythiol compound having n (which is an integer of 2 or more) thiol groups in one molecule so that the total number of m+n may be 5 or more, and then polymerizing the composition of the polyisocyanate compound and the polythiol compound; a low-hygroscopic sulfur-containing urethane coating material which comprises the above composition; and a low-hygroscopic sulfur-containing urethane adhesive which comprises the composition. In the resin of the present invention, its water absorption is as low as a level of 0.02 to 0.20% by weight, and its adhesion to a hard coating film is also good. The coating material and the adhesive of the present invention have a long pot life, a low water absorption and a high adhesive force even after dipping in warm water.
170 Shape memory polymer foam US413770 1989-09-28 US5049591A 1991-09-17 Shunichi Hayashi; Hiroshi Fujimura
A shape memory polymer foam which takes on a deformed shape and an as-molded shaped, said deformed shape being produced when the polymer foam is compressed at a temperature higher than the glass transition point (Tg) of the polymer and then kept compressed at a temperature lower than the Tg until compression sets, said as-molded shape being produced when the compressed polymer foam is heated again to a temperature higher than the Tg until it recovers its original shape.
171 医療デバイス用放射線不透過性形状記憶ポリマー JP2013523376 2011-08-05 JP5954669B2 2016-07-20 グッドリッチ, ステファン, ディーン; ライオンズ, マイケル; キャッスルベリー, ジェフリー, ポール
172 放熱装置及び電子機器 JP2014227302 2014-11-07 JP5916831B2 2016-05-11 川住 民生; 江里口 真男; 西川 茂雄
173 構造用接着剤に基づく形状記憶材料 JP2015196932 2015-10-02 JP2016041812A 2016-03-31 マティアス・ゲーシ; ユルゲン・フィンター
【課題】構造用接着剤の機械的性質に影響を与えることなく、キャビティと補強要素との間のギャップを閉じることを可能にする補強要素の提供。
【解決手段】i)少なくとも一つの硬化性構造用接着剤で少なくとも一つの熱可塑性エラストマー、を含み、熱可塑性エラストマーが貫入ポリマーネットワークとして構造用接着剤中に存在する組成物。硬化性構造用接着剤がエポキシ樹脂組成物又はポリウレタン組成物から選択される硬化性構造用接着剤組成物。エポキシ樹脂組成物である場合、23〜95℃のガラス転移温度であり、ポリウレタン組成物である場合、23〜95℃の融点を有する硬化性構造用接着剤組成物。
【選択図】なし
174 双方向性形状−記憶ポリマー、その製造方法及びその使用 JP2015548658 2013-12-20 JP2016500408A 2016-01-12 マルク ベール,; カール クラッツ,; ウルリッヒ ノッヘル,; ティルマン ザウター,; ヨーク ゾッツマン,; スリニヴァサ レディ チャガンティ,; アンドレアス レントライン,
本発明は、双方向性形状-記憶ポリマー(bSMP)からなる又はそれを含む物品に関するものであり、上記bSMPは、第一相分離ドメイン(AD)と、第二相分離ドメイン(SD)と、共有結合又は物理的結合と、を有し、上記第一相分離ドメイン(AD)は、上記第一ドメイン(AD)の結晶化転移又はガラス転移に対応する第一転移温度(Tt,AD)を有し、上記第二相分離ドメイン(SD)は、上記第二ドメイン(SD)の結晶化転移又はガラス転移に対応する第二転移温度(Tt,SD)を有し、上記第二転移温度(Tt,SD)は、上記第一転移温度(Tt,AD)よりも高く、上記共有結合又は物理的結合は、上記bSMPのポリマー鎖を架橋させることによって上記第一及び第二ドメイン(AD、SD)と相互接続し、上記第二相分離ドメイン(SD)は、上記第一相分離ドメイン(AD)に少なくとも部分的に組み込まれている骨格を形成し、且つ、上記第一ドメイン(AD)を形成している上記bSMPのポリマー鎖セグメントは、共通方向に実質的に配向し、その結果、上記bSMPは、外部応を加えることなく、Tlow< Tt,AD< Thigh< Tt,SDにて、第一温度(Thigh)と第二温度(Tlow)との間の温度の変化に応じて上記第一温度(Thigh)の第一形状(A)と上記第二温度(Tlow)の第二形状(B)との間で、上記第一相分離ドメイン(AD)の結晶化及び溶融又はガラス化及び溶融によって駆動する可逆的形状-シフトが可能になる。
175 ポリウレタン発泡体 JP2012007114 2012-01-17 JP5777216B2 2015-09-09 林 俊一
176 Multi-modal shape memory polymers JP2010504268 2008-04-18 JP5520814B2 2014-06-11 マルコム・ブラウン; マイケル・ホール; オラシオ・モンテ・ドゥ・オカ・バルデラス; ジョン・ローズ
177 High air permeability of polyurethane visco-elastic foam JP2013516648 2011-06-20 JP2013529702A 2013-07-22 アオウ,カオル; アール. ガンボア,ロゲリオ; イー. オビ,バーナード; シャフィ,アシャド
ポリウレタンフォーム、およびポリウレタンフォームを作製する方法が提供される。 該方法は、トルエンジイソシアネート(TDI)成分と、1つまたは複数のプロピレンオキシドリッチ(POリッチ)ポリオール、総イソシアネート反応性成分の10〜28重量%を構成する、組合せ数平均当量重量100〜500を有する1つまたは複数のエチレンオキシドリッチ(EOリッチ)ポリオールを含むイソシアネート反応性成分と、と、少なくとも1種の触媒を含む触媒成分とを含有する反応混合物を形成するステップ、およびその反応混合物が膨張し硬化するのに十分な条件に反応混合物を付して、ASTM D3574 Test Hに従って測定した場合、25%未満の反発弾性を有する粘弾性ポリウレタンフォームを形成するステップを含み得る。
178 Way to shape memory polymer and preparation JP2012535282 2010-10-18 JP2013508509A 2013-03-07 ウォルター イー. ヴォイト,; タイラー ウェアー,; ケニース ゴール,
本明細書において調整型形状記憶ポリマー(SMP)および本開示のSMPの製造方法を開示する。 a)約50重量%〜約99.9重量%の1種類以上の熱可塑性ポリマー;およびb)約0.1重量%〜約50重量%の1種類以上の橋かけ剤を含む熱硬化前混合物を硬化させることを含む方法によって調製される熱硬化性形状記憶ポリマーであって、得られる前記形状記憶ポリマーが、約−40℃〜約200℃のガラス転移温度 、約0.01MPa〜約100MPaのゴム弾性率E 、および0より大きいゲル分率を有するものである、熱硬化性形状記憶ポリマーが提供される。
179 A shape memory polymer and using a polyester and polyester pieces, processing for its preparation and programming JP2008558806 2007-03-13 JP5072867B2 2012-11-14 ステファン ケルシェ; インゴー ベリン; アンドレア レンドリン
180 Re-moldable and molded body made from cross-linked product of excellent shape memory resin and the resin in shape recovery ability JP2005516192 2004-12-10 JP5040112B2 2012-10-03 和彦 井上; 正年 位地; 緑 志村
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