Converting natural rubber waste into ring-opening metathesis polymers with oligo-1,4-cis-isoprene sidechains†,Polymer Chemistry

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Converting natural rubber waste into ring-opening metathesis polymers with oligo-1,4-cis-isoprene sidechains†
Polymer Chemistry ( IF 4.1 ) Pub Date : 2018-03-12 00:00:00 , DOI: 10.1039/c8py00233a
Mudassar Abbas _{1,

2,

3,

4,

5} , Maximilian Neubauer _{1,

2,

3,

4,

5} , Christian Slugovc _{1,

2,

3,

4,

5}

Affiliation

A chemical recycling of natural rubber waste via a degradation/polymerisation approach is described. The vulcanized rubber waste was degraded by cross metathesis with ethyl acrylate as the key-step yielding enoate end-capped oligo-cis-isoprenes, which were subsequently converted into norbornenes via a cycloaddition reaction with cyclopentadiene. Ring-opening Metathesis Polymerisation (ROMP) then yielded main-chain unsaturated polymers bearing oligo-1,4-cis-isoprene side chains with appealing thermal stability and a glass transition temperature of −60 °C.

中文翻译：

将天然橡胶废料转化为带有oligo-1,4-顺式-异戊二烯侧链的开环复分解聚合物†

描述了通过降解/聚合方法化学回收天然橡胶废料的方法。硫化橡胶废物通过交叉复分解降解与丙烯酸乙酯作为关键步骤，得到烯酸酯封端的低聚-顺-isoprenes，随后被转化为降冰片烯通过与环戊二烯进行环化加成反应。然后开环复分解聚合（ROMP）产生了带有低聚1,4-顺式异戊二烯侧链的主链不饱和聚合物，该链具有引人注目的热稳定性和-60°C的玻璃化转变温度。

更新日期：2018-03-12

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