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Recent Advances in the Preparation and Characterization of Long-chain Branched Polypropylene (LCBPP): A Review
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DOI：10.11777/j.issn1000-3304.2026.25263.png)
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Abstract
En 中文
Long-chain branched polypropylene (LCBPP) exhibits superior melt strength, enhanced thermal stability, and a broader processing temperature window than conventional linear polypropylene (PP), improving its suitability for diverse industrial applications. This review focuses on recent advancements in LCBPP preparation methodologies, including macromonomer incorporation, direct copolymerization, radiation-induced branching, cross-linking techniques, and reactive melt processing, with a systematic comparison of their advantages and limitations. Characterization protocols for differentiating LCBPP from linear PP architectures were also addressed. This review outlines future research priorities, emphasizing that while China's LCBPP research is gaining momentum, substantial R&D investment remains imperative to develop high-value-added materials and strengthen China's global market competitiveness. [GRAPHICS]
Keywords:
Polypropylene
Melt strength
Long-chain branched polypropylene
Preparation method
Characterization of long-chain structure
Journal
A
IF:
1.3
Papers:
180
Citations:
1.2K
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No organization information available
Cited Papers