EXPANDED THERMOPLASTIC POLYURETHANE PARTICLES AND EXPANDED THERMOPLASTIC POLYURETHANE PARTICLE MOLDED ARTICLE
    2.
    发明公开
    EXPANDED THERMOPLASTIC POLYURETHANE PARTICLES AND EXPANDED THERMOPLASTIC POLYURETHANE PARTICLE MOLDED ARTICLE 审中-公开
    膨胀型热塑性聚氨酯颗粒及膨胀型热塑性聚氨酯颗粒模塑制品

    公开(公告)号:EP3305837A1

    公开(公告)日:2018-04-11

    申请号:EP16803172.2

    申请日:2016-05-25

    申请人: JSP CORPORATION

    IPC分类号: C08J9/18 C08J9/228

    摘要: Provided are expanded beads capable of providing an expanded thermoplastic polyurethane beads molded article which is excellent in physical properties, such as compression characteristics, repulsion elasticity, etc., and an expanded thermoplastic polyurethane beads molded article. Expanded beads of thermoplastic polyurethane, wherein a Shore A hardness of the thermoplastic polyurethane is 85 or more; an average cell diameter of the expanded beads is 50 to 300 µm; and a closed cell ratio when bisecting the expanded thermoplastic polyurethane bead is 60% or more; and an expanded thermoplastic polyurethane beads molded article obtained through in-mold molding of the same are disclosed.

    摘要翻译: 本发明提供能够提供压缩特性,回弹弹性等物性优异的发泡性热塑性聚氨酯珠粒成型体和发泡热塑性聚氨酯珠粒成型体的发泡粒子。 热塑性聚氨酯的膨胀珠,其中热塑性聚氨酯的肖氏A硬度为85或更高; 发泡珠粒的平均泡孔直径为50至300μm; 并且当使发泡热塑性聚氨酯珠粒二等分时的闭孔比例为60%或更多; 公开了通过模内成型获得的发泡热塑性聚氨酯珠粒模塑制品。

    FOAMED PARTICLES OF PROPYLENE HOMOPOLYMER AND MOLDINGS OF SAID PARTICLES
    3.
    发明授权
    FOAMED PARTICLES OF PROPYLENE HOMOPOLYMER AND MOLDINGS OF SAID PARTICLES 失效
    丙烯聚合物和GAY DAURAUS模塑部件的发泡粒子

    公开(公告)号:EP0775722B1

    公开(公告)日:2002-02-06

    申请号:EP96908358.3

    申请日:1996-04-05

    申请人: JSP CORPORATION

    IPC分类号: C08J9/16 B29C44/00

    摘要: Conventional moldings of foamed particles of propylene polymers have been estimated to be excellent in cushioning effect and impact resilience but not necessarily satisfactory in stiffnesses such as compressional stress. The formed particles of propylene homopolymers of the invention have a modulus in tension of 15,000-25,000 kg/cm2 and a crystal structure which exhibits both of proper and high-temperature peaks as the endothermic peak in the DSC curve obtained by differential scanning calorimetry, the high-temperature peak having a heat quantity of 30-60 J/g. Moldings produced from the above foamed particles have a density of 0.01-0.3 g/cm3 and a modulus in tension of 15,000-25,000 kg/cm2. The DSC curves thereof reveal that, as in the case of the foamed particles per se, the crystal structures exhibit both of the proper and high-temperature peaks and the high-temperature peak has a heat quantity of 30-60 J/g, as well.

    POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS, AND MOLDED ARTICLES OF POLYVINYLIDENE FLUORIDE RESIN EXPANDED BEADS

    公开(公告)号:EP2407504A1

    公开(公告)日:2012-01-18

    申请号:EP10750529.9

    申请日:2010-03-05

    申请人: JSP CORPORATION

    IPC分类号: C08J9/18 C08L27/16

    摘要: Provided are polyvinylidene fluoride resin expanded beads which can be molded by in-mold molding and thus stably provide, without impairing excellent characteristics inherent in polyvinylidene fluoride resin, molded articles having excellent mechanical properties. Polyvinylidene fluoride resin expanded beads, characterized in that when 1 to 3 mg of the expanded beads are subjected to heat-flux type differential scanning calorimetry (DSC) wherein the beads are heated from 25°C to 200°C at a temperature rise rate of 10 °C/min, the obtained DSC curve (of first heating ) has both an inherent endothermic peak which is inherent in polyvinylidene fluoride resin and one or more higher-temperature endothermic peaks which appear on the higher-temperature side of the inherent endothermic peak, the quantity of heat of melting of the higher-temperature endothermic peaks being at least 0.5 J/g.

    摘要翻译: 提供可以通过模内成型而成型的聚偏二氟乙烯树脂发泡珠粒,从而稳定地提供聚偏二氟乙烯树脂固有的优异特性,而且其机械性能优异的成型品。 聚偏二氟乙烯树脂发泡珠,其特征在于当1〜3mg的发泡珠经受热通量型差示扫描量热法(DSC)时,其中珠子以25℃至200℃的升温速率加热 10℃/分钟,得到的DSC曲线(第一次加热)具有聚偏二氟乙烯树脂固有的固有吸热峰和出现在固有吸热峰的高温侧的一个或多个较高温度的吸热峰 ,高温吸热峰的熔化热量至少为0.5J / g。

    PROPYLENE RESIN FOAM PARTICLES AND FOAM PARTICLE MOLDED ARTICLE
    9.
    发明公开
    PROPYLENE RESIN FOAM PARTICLES AND FOAM PARTICLE MOLDED ARTICLE 审中-公开
    丙烯树脂泡沫颗粒和泡沫颗粒模塑制品

    公开(公告)号:EP3243868A1

    公开(公告)日:2017-11-15

    申请号:EP15876892.9

    申请日:2015-01-09

    申请人: JSP Corporation

    IPC分类号: C08J9/18 C08J9/228

    摘要: Provided is an expanded propylene resin bead including a core layer in a foamed state, which includes a propylene-based resin composition (a) satisfying the following (i) and (ii); and a cover layer which includes an olefin-based resin (b) satisfying the following (iii) or (iv):
    (i) the propylene-based resin composition (a) is a mixture of 65% by weight to 98% by weight of a propylene-based resin (a1) having a melting point of 145°C to 165°C and a flexural modulus of 1,200 MPa or more and 35% by weight to 2% by weight of a propylene-based resin (a2) having a melting point of 100°C to 145°C and a flexural modulus of 800 MPa to 1,200 MPa;
    (ii) a difference in a melting point between the resin (a1) and the resin (a2) is 5°C to 25°C;
    (iii) the olefin-based resin (b) is a crystalline olefin-based resin having a melting point (TmB) that is lower than a melting point (TmA) of the composition (a) and being in a relation of (0°C
    (iv) the olefin-based resin (b) is a non-crystalline olefin-based resin having a softening point (TsB) that is lower than the TmA and being in a relation of (0°C

    摘要翻译: 提供一种包含发泡状态的芯层的丙烯系树脂发泡粒子,其含有满足下述(i)和(ii)的丙烯系树脂组合物(a)。 (iii)或(iv)的烯烃系树脂(b)的覆盖层:(i)丙烯系树脂组合物(a)为65重量%〜98重量% 的熔点为145℃〜165℃,弯曲弹性模量为1200MPa以上且35重量%〜2重量%的丙烯类树脂(a2)的丙烯类树脂(a1) 熔点为100℃至145℃,挠曲模量为800MPa至1200MPa; (ii)树脂(a1)和树脂(a2)的熔点差为5℃〜25℃, (iii)烯烃类树脂(b)为结晶性烯烃类树脂,其熔点(TmB)低于组合物(a)的熔点(TmA),且为(0° C <[TmA-TmB]≤80°C); (iv)烯烃类树脂(b)为软化点(TsB)低于TmA且处于(0℃<[TmA-TsB]的关系的非结晶烯烃类树脂, ≤100°C)。