B-PINENE POLYMER COMPOSITION AND MOLDED OBJECT OBTAINED BY USING THE SAME,申请号WO2009JP03546-传众专利搜索

B-PINENE POLYMER COMPOSITION AND MOLDED OBJECT OBTAINED BY USING THE SAME

申请公布号：WO2010013446(A1)

申请号：WO2009JP03546

申请日期：2009.07.28

申请公布日期：2010.02.04

申请人：

KURARAY CO., LTD.;NATIONAL UNIVERSITY CORPORATION NAGOYA UNIVERSITY;YASUHARA CHEMICAL CO., LTD.;SATO, TAKAKO;NAKAHARA, ATSUHIRO;OHGI, HIROYUKI;KAMIGAITO, MASAMI;SATOH, KOTARO

发明人：SATO, TAKAKO;NAKAHARA, ATSUHIRO;OHGI, HIROYUKI;KAMIGAITO, MASAMI;SATOH, KOTARO

分类号：C08L23/20;C08L53/02

主分类号：C08L23/20

摘要：<p>Disclosed are: a polymer composition from which is obtained a molded body that has high heat resistance, low water absorbency, a low specific gravity, and excellent shock resistance; and a molded object which uses the polymer composition. The polymer composition is manufactured by combining a) a b-pinene polymer having a specific gravity of 0.85 or higher but less than 1.0 and a glass transition temperature of 80°C or higher and b) an aromatic series vinyl block copolymer that comprises 10-35 mass% of an aromatic series vinyl polymer block and 65-90 mass% of a hydrogenated conjugate diene polymer block and that has a weight-average molecular weight of 100,000-250,000, these being combined such that the component a) is 60-95 parts by mass and the component b) is 5-40 parts by mass, with the total amount of component a) and component b) being 100 parts by mass.</p>