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1. 发明授权

EP3095811B1 PROPYLENE-BASED RESIN FOAM PARTICLE AND FOAM PARTICLE MOLDED BODY 有权
公开(公告)号：EP3095811B1
公开(公告)日：2020-08-26
申请号：EP14879190.8
申请日：2014-12-24
申请人： JSP CORPORATION
发明人： ONO, Michitoshi , KITAHARA, Taizo , TSURUGAI, Kazuo
IPC分类号： C08J9/224

2. 发明公开

EP3095811A1 PROPYLENE-BASED RESIN FOAM PARTICLE AND FOAM PARTICLE MOLDED BODY 有权
标题翻译： PROPYLENBASIERTE HARZSCHAUMPARTIKELFORMKÖRPERAUS SCHAUMPARTIKEL
公开(公告)号：EP3095811A1
公开(公告)日：2016-11-23
申请号：EP14879190.8
申请日：2014-12-24
申请人： JSP CORPORATION
发明人： ONO, Michitoshi , KITAHARA, Taizo , TSURUGAI, Kazuo
IPC分类号： C08J9/16
摘要： The present invention is concerned with expanded propylene resin beads including a core layer being in a foamed state and constituted of a propylene-based resin composition (a) and a cover layer constituted of an olefin-based resin (b), the propylene-based resin composition (a) satisfying the following (i) and (ii), and the olefin-based resin (b) satisfying the following (iii) or (iv).
(i) A mixture of 75% by weight to 98% by weight of a propylene-based resin (a1) having a melting point of 100°C to 140°C and 25% by weight to 2% by weight of a propylene-based resin (a2) having a melting point of 140°C to 165°C.
(ii) A difference between the melting point of the resin (a2) and the melting point of the resin (a1) is 15°C or more.
(iii) A crystalline olefin-based resin having a melting point TmB that is lower than a melting point TmA of the composition (a) and having a relation of 0°C
(iv) A non-crystalline olefin-based resin having a softening point TsB that is lower than TmA and having a relation of 0°C
摘要翻译：本发明涉及包括发泡状态的芯层和由丙烯类树脂组合物（a）构成的发泡丙烯树脂珠和由烯烃类树脂（b）构成的覆盖层，丙烯类满足以下（i）和（ii）的树脂组合物（a）和满足以下（iii）或（iv）的烯烃类树脂（b）。（i）75重量％〜98重量％的熔点为100〜140℃的丙烯系树脂（a1）和25重量％〜2重量％的丙烯 - （a2），熔点为140℃〜165℃。（ii）树脂（a2）的熔点和树脂（a1）的熔点之间的差为15℃以上。（iii）具有低于组合物（a）的熔点TmA的熔点TmB并且具有0℃<[TmA-TmB]‰80℃的结晶烯烃类树脂。（iv）软化点TsB低于TmA并具有0℃<[TmA-TsB]‰100℃的非结晶烯烃类树脂。

3. 发明授权

EP3309197B1 PROPYLENE RESIN FOAMED PARTICLE AND FOAMED PARTICLE MOLDED BODY 有权
公开(公告)号：EP3309197B1
公开(公告)日：2019-05-15
申请号：EP16824474.7
申请日：2016-07-13
申请人： JSP Corporation
发明人： KITAHARA, Taizo , ONO, Michitoshi , TSURUGAI, Kazuo
IPC分类号： C08J9/18 , C08J9/232

4. 发明公开

EP3309197A1 PROPYLENE RESIN FOAMED PARTICLE AND FOAMED PARTICLE MOLDED BODY 有权
标题翻译：丙烯树脂泡沫颗粒和泡沫颗粒模塑体
公开(公告)号：EP3309197A1
公开(公告)日：2018-04-18
申请号：EP16824474.7
申请日：2016-07-13
申请人： JSP Corporation
发明人： KITAHARA, Taizo , ONO, Michitoshi , TSURUGAI, Kazuo
IPC分类号： C08J9/18
CPC分类号： C08J9/232 , C08J9/18 , C08J2323/10 , C08K5/0066 , C08K5/01 , C08K5/02 , C08K5/136 , C08L2205/025
摘要： The present invention is concerned with expanded propylene resin beads including a core layer being in a foamed state, having a tubular shape, and being constituted of a propylene-based resin composition (a) satisfying the following (i) and (ii) and a cover layer being constituted of an olefin-based resin (b) satisfying the following (iii) or (iv).
(i) A mixture of 75% by weight to 98% by weight of a propylene-based resin (a1) having a melting point of 100°C to 140°C and 25% by weight to 2% by weight of a propylene-based resin (a2) having a melting point of 140°C to 165°C.
(ii) A difference between the melting point of the resin (a2) and the melting point of the resin (a1) is 15°C or more.
(iii) A crystalline olefin-based resin having a melting point TmB that is lower than a melting point TmA of the composition (a) and having a relation of 0°C
(iv) A non-crystalline olefin-based resin having a softening point TsB that is lower than TmA and having a relation of 0°C
摘要翻译：本发明涉及一种发泡丙烯类树脂珠，该发泡丙烯类树脂珠包含发泡状的芯层，该芯层呈管状，并且由满足以下（i）和（ii）的丙烯类树脂组合物（a）和覆盖层由满足以下（iii）或（iv）的烯烃类树脂（b）构成。（i）将75重量％〜98重量％的熔点为100℃〜140℃的丙烯系树脂（a1）和25重量％〜2重量％的丙烯系树脂（a2），熔点为140℃〜165℃。（ii）树脂（a2）的熔点与树脂（a1）的熔点之差为15℃以上。（iii）熔点TmB低于组合物（a）的熔点TmA且具有0℃<[TmA-TmB]≤80℃的关系的结晶烯烃基树脂。（iv）软化点TsB低于TmA且具有0℃<[TmA-TsB]≤100℃的关系的非晶性烯烃类树脂。

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