标准号:ISO 9113-1986
中文标准名称:塑料 聚丙烯(PP)和丙烯共聚物热塑塑料 全立规指数的测定
英文标准名称:Plastics; Polypropylene (PP) and propylene-copolymer thermoplastics; Determination of isotactic index
标准类型:G31
发布日期:1999/12/31 12:00:00
实施日期:1999/12/31 12:00:00
中国标准分类号:G31
国际标准分类号:83.080.20
适用范围:Specifies a method for determining the percentage of matter which can be extracted from crystalline propylene plastics by boiling n-heptane under standard conditions of testing. A powdered test portion is carefully dried, weighed and extracted in as Soxhlet-apparatus with n-heptane during 24 h. The mass of residue of the test portion is determined and according to ISO 1873-1 reported as isotactic.