There are provided a resin composition capable of affording a cross-linked foam excellent in heat storage performance, a cross-linked product of the resin composition, and a method for producing the cross-linked product. Specifically, there is provided a resin composition containing an olefin polymer comprising a main chain containing monomer units derived from ethylene and branch chains having 5 or more carbon atoms, the number of the branch chains being within the range of 20 chains to 40 chains per 1000 carbon atoms constituting the olefin polymer, and having a melting peak temperature measured with DSC of within the range of 10°C to 50°C, a crystallization peak temperature measured with DSC of within the range of 0°C to 40°C, and a melt enthalpy measured with DSC of 50 J/g or more, and an olefin polymer having a melting peak temperature measured with DSC of within the range of 50°C to 180°C.
本发明提供了一种能够产生蓄热性能优异的交联泡沫的
树脂组合物、该
树脂组合物的交联产品以及生产该交联产品的方法。具体地说,提供了一种含有烯烃聚合物的
树脂组合物,该烯烃聚合物由含有来自
乙烯的单体单元的主链和具有 5 个或更多碳原子的支链组成,构成烯烃聚合物的每 1000 个碳原子中支链的数量在 20 至 40 个范围内、用
DSC 测得的熔融峰值温度在 10°C 至 50°C 范围内,用
DSC 测得的结晶峰值温度在 0°C 至 40°C 范围内,用
DSC 测得的熔融焓在 50 J/g 或以上,以及用
DSC 测得的熔融峰值温度在 50°C 至 180°C 范围内的烯烃聚合物。