Well-Defined Renewable Polymers Derived from Gum Rosin

Zheng, Yijun; Yao, Kejian; Lee, James; Chandler, David; Wang, Jifu; Wang, Chunpeng; Chu, Fuxiang; Tang, Chuanbing

doi:10.1021/ma101071p

Cited by 115 publications

(128 citation statements)

References 30 publications

(48 reference statements)

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“…The DAMEA has a bulky hydrophenanthrene ring, and DAMEA homopolymer has a high T g ($90 C). 51 Therefore, we expect that the increase of DAEMA content in the gra copolymers leads to lower chain mobility and thus higher T g values. Comparing the two kinds of gra copolymers with similar DAMEA molar content, Cell-g-P(LMA-co-DAEMA) copolymers always have lower T g values than the corresponding Cell-g-P(BAco-DAEMA) copolymers, probably due to the longer exible alkyl chains of LMA compared to the more compact BA monomers.…”

Section: Thermal Propertiesmentioning

confidence: 99%

Sustainable thermoplastic elastomers derived from renewable cellulose, rosin and fatty acids

et al. 2014

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Two series of graft copolymers, cellulose-g-poly(n-butyl acrylate-co-dehydroabietic ethyl methacrylate) (Cell-g-P(BA-co-DAEMA))and cellulose-g-poly(lauryl methacrylate-co-dehydroabietic ethyl methacrylate) (Cell-g-P(LMA-co-DAEMA)), were prepared by "grafting from" atom transfer radical polymerization (ATRP). In these novel graft copolymers, cellulose, DAEMA (derived from rosin), and LMA (derived from fatty acids) are all sourced from renewable natural resources. The "grafting from" ATRP strategy allows the preparation of high molecular weight graft copolymers consisting of a cellulose main chain with acrylate copolymer side chains. By manipulating the monomer ratios in the P(BA-co-DAEMA)and P(LMA-co-DAEMA) side chains, graft copolymers with varying glass transition temperatures (À50-60 C) were obtained. Tensile stress-strain and creep compliance testing were employed to characterize mechanical properties. These novel graft copolymers did not exhibit linear elastic properties above about 1% strain, but they did manifest remarkable elasticity at strains of 500% or more. These results suggest that these cellulose-based, acrylate side-chain polymers are potential candidates for service as thermoplastic elastomers materials in applications requiring high elasticity without rupture at high strains.

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Section: Thermal Propertiesmentioning

confidence: 99%

Sustainable thermoplastic elastomers derived from renewable cellulose, rosin and fatty acids

et al. 2014

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“…88 Rosin acids have been converted into vinyl, acrylic or allyl ester groups that can undergo radical polymerisation (Scheme 15). 91 Controlled radical polymerisation of monomers derived from gum rosin enables the preparation of well-defined polymers with high molecular weight and functionality; these could be developed into advanced materials such as thermoplastic elastomers and composites.…”

Section: Rosin Acidsmentioning

confidence: 99%

“…Zheng et al 91 have developed a series of well-defined rosincontaining (meth)acrylic polymers by controlled polymerisation. The conversion of the carboxylic acid group of 88 and 86 to acrylate and methacrylate groups, respectively, resulted in the synthesis of monomers containing a vinyl group which was highly susceptible to radical polymerisation of 87a-87c and 89.…”

Section: Rosin Acidsmentioning

confidence: 99%

Progress in the synthesis of sustainable polymers from terpenes and terpenoids

et al. 2016

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The imminent depletion of resources derived from fossil fuels is a major concern for today's society. 300 Mt of polymers are used every year in the form of plastics, most commonly derived from fossil fuels, hence the necessity to find new materials based on renewable resources. This review explores the utilisation of monoterpenes and terpenoids -a family of abundant and inexpensive natural products -as promising renewable monomers. Terpenes can be directly used in polymerisations or converted into bespoke monomers through organic transformations. The use of terpenes for the production of renewable plastics has been a prevalent topic of research for the past few decades. Early research focused on cationic polymerisation of terpenes by way of their alkene moieties; however, more recently terpenes are being functionalised to incorporate handles for a larger range of polymerisation techniques. Herein an assessment of the future prospects for the use of these small functional molecules to synthesise novel and valuable renewable materials is presented.

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“…In particular, I would like to highlight the leadership of Chuanbing Tang and Qing Wang who led our first Themed Issue on Next-Generation Renewable Polymers. Chuanbing develops renewable polymers from rosins 13 and renewable monomers, 14 with strength in both ring-opening and controlled radical polymerizations. Qing is pioneering ferroelectric nanocomposites and conjugated polymers as attractive alternatives to traditional ceramics.…”

Section: Ice | Sciencementioning

confidence: 99%

The development of Green Materials

Shaver¹

2013

Green Materials

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Well-Defined Renewable Polymers Derived from Gum Rosin

Cited by 115 publications

References 30 publications

Sustainable thermoplastic elastomers derived from renewable cellulose, rosin and fatty acids

Sustainable thermoplastic elastomers derived from renewable cellulose, rosin and fatty acids

Progress in the synthesis of sustainable polymers from terpenes and terpenoids

The development of Green Materials

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