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2018 Fiscal Year Final Research Report

Photostabilization of environmentally-benign polypropylene blends with photoluminescence nanocarbon

Research Project

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Project/Area Number 16K14456
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Properties in chemical engineering process/Transfer operation/Unit operation
Research InstitutionKanazawa University

Principal Investigator

Nitta Koh-hei  金沢大学, フロンティア工学系, 教授 (70260560)

Co-Investigator(Kenkyū-buntansha) 比江嶋 祐介  金沢大学, フロンティア工学系, 准教授 (10415789)
Research Collaborator Takubo Etsuko  
Project Period (FY) 2016-04-01 – 2019-03-31
KeywordsPhotostability / Nanocarbon / Polymer blend / Degradation
Outline of Final Research Achievements

We have fabricated polymer blends based on isotactic polypropylene (iPP)with high photostability, maintaining mechanical properties. The iPP-based blends are composed of poly(propylene carbonate) as the binder and the photoluminescent nanocarbon (CDs) as the ultraviolet (UV) absorber. It is also found that the deterioration in mechanical properties can be predicted by the decrease of photoluminescence of CDs embedded in the iPP-based blend.

Free Research Field

高分子材料物性

Academic Significance and Societal Importance of the Research Achievements

iPPは汎用樹脂として日用品に広く用いられているが、紫外線に対する耐光性が低く、また寿命予測が困難であることが、大型部材など長期用途への展開の妨げとなっている。本研究で開発したブレンド材料は、、iPPとほぼ同等の力学物性をもつ上に、iPPよりも耐光性に優れており、iPPの耐候性向上のための添加剤開発や物性改質のための技術開発に対して、新しい指針を提供するものである。

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Published: 2020-03-30  

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