GB/T 8826-2019 in English
VALIDRubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline(TMQ)
- Issued on:2019-08-30
- Implemented on:2020-07-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$214.00
| Standard No: | GB/T 8826-2019 |
| Document status: | VALID |
| Title in English: | Rubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline(TMQ) |
| Title in Chinese: | 橡胶防老剂 2,2,4-三甲基-1,2-二氢化喹啉聚合物（TMQ） |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2019-08-30 |
| Implemented on: | 2020-07-01 |
| Superseding: |
GB/T 8826-2011 Rubber antioxidant TMQ
|
| ICS Classification: | 83.040.20-Rubber compounding ingredients |
| Chinese Classification: | G71-Chemical additive |
| Professional Classification: | GB-National Standard |
| Related Keywords: | rubber antioxidant
antioxidant 2 2 4-trimethyl-1 2-dihydroquinoline polymer antioxidant polymerized 8826-2019 rubber rubber |
| Related Topics: | trimethylbenzene and rubber
Trimethyl Antiaging agent trimethylbenzene and rubber Hydrogen chloride dimer compound dimer trimer ammonium trihydrogen aggregate aging Three anti-adhesive. GBT8826 GB/T 8826-2003 GB/T 8826-2011 GB/T 8826-2019 gb/t8826-2011 |
《GB/T 8826-2019橡胶防老剂 2,2,4-三甲基-1,2-二氢化喹啉聚合物（TMQ）》由TC35（全国橡胶与橡胶制品标准化技术委员会）归口，TC35SC12（全国橡胶与橡胶制品标准化技术委员会化学助剂分会）执行，主管部门为中国石油和化学工业联合会。
Introduction
1. Background and significance of the standard
GB/T 8826-2019 Rubber antioxidant 2,2,4-trimethyl-1,2-dihydroquinoline polymer (TMQ) is an important standard in the field of rubber antioxidant, which aims to standardize the quality and technical requirements of TMQ. This revision has added high-content classification and primary amine content indicators, further improving the scientificity and practicality of the standard.
2. Comparative analysis of standard frameworks
| Items | Requirements of the 2011 edition | New/modified contents of the 2019 edition |
|---|---|---|
| Product classification | Unclear classification | Two new categories: ordinary type and high-content type |
| Technical indicators | Includes basic indicators such as appearance and softening point | Increase primary amine content (see Table 1) |
| Test methods | Mainly rely on visual inspection and physical testing | Introduce high-performance liquid chromatography and ultraviolet spectrophotometry detection technology |
3. Recommendations for the implementation of the standard
Key indicator interpretation:The total amount of dimers, trimers and tetramers required for high-content products has been increased from 40% to 70%, which significantly improves the anti-aging performance.
Test method optimization:The newly added method for determining the content of primary amines uses high-performance liquid chromatography, which has higher accuracy and more standardized operation. It is recommended that enterprises establish a special quality laboratory and equip it with a liquid chromatograph and a ultraviolet spectrophotometer.
Quality control:It is recommended to calibrate production equipment and process parameters regularly to ensure product consistency. At the same time, we will strengthen communication with customers and adjust product quality indicators according to their needs.
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