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판매
ISO 6721-11:2019
Plastics — Determination of dynamic mechanical properties — Part 11: Glass transition temperature- 발행일 : 2019-05-29
- 발행기관 : ISO
상세정보
| 분야 | ISO/TC 61/SC 5 : Physical-chemical properties |
|---|---|
| 적용범위 | This document specifies methods for determining a value of the glass transition temperature (Tg) from the dynamic mechanical properties measured during a linear temperature scan under heating conditions. The glass transition temperature is an indicator of the transition from a hard and relatively brittle glassy state to a rubbery or viscous liquid state in an amorphous polymer or in amorphous regions of a partially crystalline polymer. Usually referred to as dynamic mechanical analysis (DMA), the methods and their associated procedures can be applied to unreinforced and filled polymers, foams, rubbers, adhesives and fibre-reinforced plastics/composites. The methods are limited to materials that are inherently stable above Tg, i.e. amorphous materials that transform into a rubbery state or partially crystalline materials that keep their shape due to crystallinity. Different modes (e.g. flexure, torsion, shear, compression, tension) of dynamic mechanical analysis can be applied, as appropriate, to the form of the source material. Measured Tg values using instrumentation can vary as a result of material characteristics and/or the test set-up. The temperature sensor in a DMA instrument is not in contact with the test specimen and therefore measures temperature of the environment surrounding the specimen under test. The resulting data can vary with the heating rate applied. A procedure is included to take into account the thermal lag influencing the measured data. |
| 국제분류(ICS)코드 | 83.080.01 : 플라스틱 일반 |
| 페이지수 | 14 |
| Edition | 2 |
이력정보
| No. | 표준번호 | 표준명 | 발행일 | 상태 |
|---|---|---|---|---|
| 1 | ISO 6721-11:2019상세보기 | Plastics — Determination of dynamic mechanical properties — Part 11: Glass transition temperature | 2019-05-29 | 표준 |
| 2 | ISO 6721-11:2012상세보기 | Plastics — Determination of dynamic mechanical properties — Part 11: Glass transition temperature | 2012-03-21 | 구판 |
관련상품
- ISO 6721-1:2001/DAmd 1 - Plastics — Determination of dynamic mechanical properties — Part 1: General principles — Amendment 1
- ISO 6721-4:1994/DAmd 1 - Plastics — Determination of dynamic mechanical properties — Part 4: Tensile vibration — Non-resonance method — Amendment 1
- ISO 6721-8:2019 - Plastics — Determination of dynamic mechanical properties — Part 8: Longitudinal and shear vibration — Wave-propagation method
- ISO 6721-9:2019 - Plastics — Determination of dynamic mechanical properties — Part 9: Tensile vibration — Sonic-pulse propagation method
- ISO 6721-7:2019 - Plastics — Determination of dynamic mechanical properties — Part 7: Torsional vibration — Non-resonance method
다른 사람이 함께 구입한 상품
- ISO 307:2019 - Plastics — Polyamides — Determination of viscosity number
- ISO 6721-12:2022 - Plastics — Determination of dynamic mechanical properties — Part 12: Compressive vibration — Non-resonance method
- SAE J2527_201709 - Performance Based Standard for Accelerated Exposure of Automotive Exterior Materials Using a Controlled Irradiance Xenon-Arc Apparatus
- ISO 4664-3:2021 - Rubber, vulcanized or thermoplastic — Determination of dynamic properties — Part 3: Glass transition temperature (Tg)
- ISO 2921:2019 - Rubber, vulcanized — Determination of low-temperature characteristics — Temperature-retraction procedure (TR test)
추천 상품
- IEC TS 63134:2020 - Active assisted living (AAL) use cases
- IEC 60034-5:2020 RLV - Rotating electrical machines - Part 5: Degrees of protection provided by the integral design of rotating electrical machines (IP code) - Classification
- KS B ISO TS 25740-1 - 에스컬레이터 및 무빙워크에 대한 안전요건 — 제1부: 세계공통 필수 안전요건(GESRs)
- KS B ISO TS 8100-21 - 승객 및 화물 운송용 엘리베이터 —제21부: 세계공통 필수안전요건(GESRs)을 충족하는 세계공통 안전 파라미터(GSPs)
- KS C IEC TS 62872 - 산업 시설과 스마트 그리드 사이의 산업 공정 측정, 제어 및 자동화 시스템 인터페이스
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