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    • 61. 发明申请
    • Reversible Shape Memory Polymers Exhibiting Ambient Actuation Triggering
    • 可逆形状记忆聚合物展示环境激励触发
    • US20160017870A1
    • 2016-01-21
    • US14771928
    • 2014-03-14
    • SYRACUSE UNIVERSITY
    • Patrick T. Mather
    • F03G7/06B29C51/10B29C51/00C08J5/00
    • F03G7/065A61L2400/16B29C51/002B29C51/10B29K2021/006C08J5/00C08J2300/12C08J2300/26
    • Shape memory polymers featuring reversible actuation capability under ambient stimulus for integration with apparel. One approach is to use a multiblock polymer consisting of two (or potentially more) blocks in which the one block is the crystalline switching block with relatively low melting transitions, the other block has a higher thermal transition, and the two blocks are linked together by a linker molecule. Another approach is to use a graft copolymer having high and low melting transitions where the graft copolymer has a first polymer serving as cool heat the backbone and a second polymer being grafted to or from the backbone at certain graft locations. A further approach is to use latent crosslinking of a semicrystalline polymer with reactive groups placed on the backbone. Finally, these polymers may be formed as actuators that undergo curling, twisting and even volumetric expansion.
    • 形状记忆聚合物在环境刺激下具有可逆的致动能力,与服装集成。 一种方法是使用由两个(或潜在的更多)嵌段组成的多嵌段聚合物,其中一个嵌段是具有相对低的熔融转变的结晶切换嵌段,另一个嵌段具有较高的热转变,并且两个嵌段通过 连接分子。 另一种方法是使用具有高和低熔融转变的接枝共聚物,其中接枝共聚物具有用作主链的冷热的第一聚合物,并且在某些接枝位置处将第二聚合物接枝到骨架上或从骨架上接枝。 另一种方法是使用半结晶聚合物与置于骨架上的反应性基团的潜在交联。 最后,这些聚合物可以形成为经历卷曲,扭曲甚至体积膨胀的致动器。
    • 67. 发明授权
    • Resin particle and method for producing the same
    • 树脂粒子及其制造方法
    • US08309681B2
    • 2012-11-13
    • US13057906
    • 2009-07-22
    • Takao MukaiKoji Ota
    • Takao MukaiKoji Ota
    • C08F6/00
    • C08J3/12C08J7/04C08J2300/12C08J2367/04G03G9/0804G03G9/08755G03G9/08797Y02P20/544
    • There is provided a method for producing a resin particle capable of unprecedentedly realizing both excellent heat resistant keeping property and melting property. The present invention is a method for producing a resin particle (X) comprising the step of treating a resin particle (B) containing a resin (A) composed of a crystalline part (a) containing, as an essential constitutional component, a lactone ring-opening polymer (p), and a noncrystalline part (b), with liquid or supercritical carbon dioxide (C), and removing (C), wherein a heat of fusion measured by differential scanning calorimetry (DSC) of the obtained (X) satisfies the following relational formula (1): 0≦H2/H1≦0.9  (1) [in the relational formula (1), H1 represents a measurement value of a heat of fusion (J/g) at the time of the initial temperature elevation measured by DSC; and H2 represents a measurement value of a heat of fusion (J/g) at the time of the second temperature elevation measured by DSC].
    • 提供一种能够以前所未有的优异的耐热保持性和熔融性实现的树脂粒子的制造方法。 本发明是一种树脂粒子(X)的制造方法,其特征在于,包括以下步骤:处理含有由含有作为必需构成成分的内酯环的结晶性部分(a)构成的树脂(A)的树脂粒子(B) (C),通过差示扫描量热法(DSC)测得的熔化热(C),其中, 满足以下关系式(1):0≦̸ H2 / H1≦̸ 0.9(1)[在关系式(1)中,H1表示初始温度时的熔解热(J / g) 通过DSC测量的高程; H2表示通过DSC测定的第二升温时的熔解热的测定值(J / g)。