改性聚合物作为循环注射成型过程中材料追踪的标记剂的影响分析
Tom Eggers1, Sonja Marit Blumberg1, Frank von Lacroix1
1Volkswagen AG Wolfsburg, Berliner Ring 2, 38440 Wolfsburg, Germany.
Materials (Basel, Switzerland)
|September 28, 2023
概括
在注塑成型 (IM) 中集成的改性聚合物 (MP) 为回收塑料提供可靠的可追溯性. 这种标记技术确保了产品数据的完整性,并监测了聚合物老化,而不会影响材料性能.
科学领域:
- 材料科学与工程 材料科学与工程
- 聚合物加工和制造 聚合物加工和制造
- 可持续的塑料技术 可持续的塑料技术
背景情况:
- 注塑成型 (IM) 是一种关键的聚合物制造技术,它面临着利用回收材料增加的挑战.
- 经济和生态驱动因素需要提高IM的可靠性,可重复性和可验证的回收度.
- 需要在聚合物中进行材料识别和数据存储,以满足监管和质量控制要求.
研究的目的:
- 评估改性聚合物 (MP) 作为注塑成型过程中固有的标记技术.
- 调查MP对材料工艺行为和组件性能的影响.
- 通过IM过程和回收阶段评估MP的可追溯性.
主要方法:
- 在注塑成型 (IM) 过程中整合改性聚合物 (MP).
- 对MP对材料工艺行为的影响进行实验评估.
- 分析机械和热组件的性能.
- 从原始材料到回收产品的MP可追溯性的调查.
主要成果:
- 改性聚合物 (MP) 对所研究的材料,工艺或组件属性没有明显的影响.
- 从初始材料到回收过程中证实了MP的可追溯性.
- 与MP结合的IM工艺被证明是高质量的可重复制造的可行方法.
结论:
- 改性聚合物 (MP) 适用于注射成型中的固有标记,确保可追溯性和数据完整性.
- 这项技术支持使用可循环材料,使可验证的回收度和产品监控成为可能.
- 在注塑成型和回收生命周期期间,MP可以有效监测聚合物的老化状态.
关键词:
循环经济是一个循环经济.注塑成型的注射成型是什么标记剂 标记剂是一种标记剂.改性聚合物 改性聚合物聚合物是一种聚合物.过程优化优化过程优化过程的可预测性,过程的可预测性.回收回收是回收的方法.可以追溯的可追溯性.追踪 追踪 追踪更多相关视频
相关概念视频
Polymer Classification: Architecture
2.8K
Polymers are classified as linear or branched on the basis of their chain architecture. The polymer chains in linear polymers have a long chain-like structure with minimal to no branching at all. Even if a polymer features large substituent groups on the monomer, which appear as branches to the skeleton, it is not considered a branched polymer. A branched polymer contains secondary polymer chains that arise from the main polymer chain. The branching occurs when the polymer growth shifts from...
2.8K
Polymer Classification: Stereospecificity
2.5K
Polymerization generates chiral centers along the entire backbone of a polymer chain. Accordingly, the stereochemistry of the substituent group has a significant effect on polymer properties. Polymers formed from monosubstituted alkene monomers feature chiral carbons at every alternate position in the polymer backbone. Relative to the predominant orientation of substituents at the adjacent chiral carbons, the polymer can exist in three different configurations: isotactic, syndiotactic, and...
2.5K
Ziegler–Natta Chain-Growth Polymerization: Overview
3.3K
Ziegler–Natta polymerization is another form of addition or chain‐growth polymerization used for synthesizing linear polymers over branched polymers. The catalyst used for polymerization is the Ziegler–Natta catalyst, named after Karl Ziegler and Giulio Natta, who developed it in 1953. This catalyst is an organometallic complex of titanium tetrachloride and triethyl aluminum, with the active form of the catalyst being an alkyl titanium compound. Using the Ziegler–Natta...
3.3K
Polymer Classification: Crystallinity
2.9K
Unlike ionic or small covalent molecules, polymers do not form crystalline solids due to the diffusion limitations of their long-chain structures. However, polymers contain microscopic crystalline domains separated by amorphous domains.
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...
Crystalline domains are the regions where polymer chains are aligned in an orderly manner and held together in proximity by intermolecular forces. For example, chains in the crystalline domains of polyethylene and nylon are bound together by van der Waals...
2.9K
Anionic Chain-Growth Polymerization: Overview
2.1K
The polymerization process that involves carbanion as an intermediate is called anionic polymerization. It is also a type of addition or chain-growth polymerization. Anionic polymerization gets initiated by a strong nucleophile such as an organolithium or a Grignard reagent. The most commonly used initiator for anionic polymerization is butyl lithium. Monomers involved in anionic polymerization must possess a vinyl group bonded to one or two electron-withdrawing groups. For instance,...
2.1K
Molecular Weight of Step-Growth Polymers
2.2K
Step growth polymerization involves bi or multifunctional monomers. Bifunctional monomers react to form linear step growth polymers, whereas multifunctional monomers react to form non-linear or branched polymers.
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
As the step-growth polymerization involves step-wise condensation of monomers, the molecular weight also builds up eventually. Consequently, high molecular weight polymers are obtained at the late stages of the polymerization, where 99% of monomers have been consumed.
The extent of the...
2.2K


