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| Название (рус.): | Пластмассы. Термопласты на основе полипропилена и сополимеров пропилена. Определение показателя стереорегулярности |
| Название (англ.): | Plastics; Polypropylene (PP) and propylene-copolymer thermoplastics; Determination of isotactic index |
| Описание (англ.): | 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. |
| Дата регистрации: | 01.11.86 |
| Дата введения: | 01.10.86 |
| Код КГС: | Л29 |
| Код ОКСТУ: | 2209;2211 |
| Код ОКС(МКС): | 83.080.20 |
| Код ОКП: | 2209;2211 |
| Нормативные ссылки: | NF ISO 9113(1987/AFNOR), EQV*NEN-ISO 9113(1989/NNI), EQV*NF T51-624(1987/AFNOR), EQV |
| Ключевые слова: | DESIGNATION DESIGNATIONS EXTRACTION METHODS OF ANALYSIS PLASTICS POLYPROPYLENE TESTING TESTS THERMOPLASTIC POLYMERS THERMOPLASTIC RESINS EXTRACTION METHODS OF AN |
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