Thermal cracking technology

Shanghai BaoshengThermal cracking technologyIt is a method of decomposing polymer materials into small molecular fragments at high temperatures and using gas chromatography-The technique of qualitative and quantitative analysis using mass spectrometry (GC-MS) is widely used in fields such as materials science, environmental monitoring, and cultural relic protection. Its core equipment is the Pyrolysis Gas Chromatography Mass Spectrometry (PY-GCMS), which has the following main features and functions.

1、Technical Principle

By strictly controlling the high temperature environment (above room temperature) 10℃～1050At ℃, the sample is rapidly decomposed into volatile small molecule products. After gas chromatography separation, characteristic fragment ions are detected using a mass spectrometer to infer the composition and structure of the original sample.

2、Instrument advantages

①High temperature and rapid response: the highest cracking temperature reaches 1050℃, supported8 Segment program heating up（1～600℃/min）It can simulate complex pyrolysis processes.

②Multi mode analysis: supports cracking gas mode（EGA）And the two-step cracking mode（Double-Shot）Balancing the analysis of macromolecular polymers and low boiling point components.

③High sensitivity and precision: With a small sample size (in milligrams), it can detect trace components and provide reliable qualitative and quantitative results.

④Compatibility and flexibility: Suitable for various forms of samples such as solids, liquids, powders, etc., without the need for complex preprocessing.

3、Main functions

1)Polymer Material Analysis

²Component identification: used for qualitative analysis of polymer materials such as rubber, plastics, resins, fibers, etc., such as based on GB/T 39699-2020Standard identification of rubber types.

²Structural analysis: Inferring the crosslinking degree, additives (such as antioxidants), and copolymer composition of the material through the fingerprint spectrum of the pyrolysis products.

2)Research on Environment and Microplastics

²Microplastic detection: directly analyzing the composition of microplastics in environmental samples to assist in marine pollution monitoring.

²Source tracing of pollutants: Analyzing the sources of organic pollutants in complex matrices such as paints and coatings.

3)Cultural Relics Protection and Archaeology

²Analysis of the Composition of Ancient Lacquerware: Through Thermal Cracking -Mass spectrometry technology is used to identify components such as lacquer liquid, drying oil, and protein in paint films, and to restore ancient lacquer techniques (such as the research conducted by the Wuhan University team on multi-layer lacquerware).

²Cultural relic restoration support: providing scientific basis for cultural relic protection, ensuring that restoration materials match the original components.

4)Industrial and Energy Applications

Tire pyrolysis utilization: Decompose waste tires into resources such as fuel oil, carbon black, and steel wire to promote a circular economy.

Petrochemical analysis: used for catalyst evaluation, oil composition research, etc.

5)Quality Control and Standard Testing

RoHSCompliance testing: Quickly screen for harmful substances such as phthalates in electronic and electrical products.

Material quality assessment: Monitor the thermal stability of materials and process optimization during the production process.

4、Typical application scenarios

①Rubber and plastic products: component identification, aging analysis.

②Electronic materials: Qualitative analysis of organic components in polishing solution.

③Archaeology and Cultural Relics: Micro Damage Detection of Ancient Lacquerware and Wooden Artifacts.

④Environmental protection field: microplastics, soil pollutant analysis.

⑤Energy industry: research on biomass pyrolysis products.

Shanghai BaoshengThermal cracking technologyWith its efficient and accurate characteristics, it has become an important tool for complex sample analysis, especially playing a key role in the fields of polymer materials, environmental science, and cultural heritage protection.

The main technical parameters of Shanghai Baosheng Thermal Cracking:

1. Cracking temperature range: usually from room temperature to1050°C.

2. Heating rate: adjustable, range:0.1°C/minto100°C/min.

3. Cracking chamber material: stainless steel, high temperature and corrosion resistant.

4. Carrier gas type: inert gas：Nitrogen gas（N₂）.

5. Flow control: precise control, with a range of0.1 mL/minto100 mL/min.

6. andGC/MSInterface: Equipped with standard interfaces for easy integration with gas chromatography-Mass spectrometry combined（GC-MS）Wait for the analysis instrument to connect.

7. Temperature control: The interface part has independent temperature control to prevent condensation and contamination.

8. Control software operation interface:Chinese and English operating interface,Easy to set and monitor experimental parameters.

9. Data collection: Supports real-time data collection and analysis, facilitating subsequent processing.

10. Over temperature protection: Built in over temperature protection device to prevent equipment from overheating.

11. Gas leak detection: equipped with gas leak detection function to ensure experimental safety.