Natural Rubber

Vaysse, Laurent; Bonfils, Frédéric; Sainte‐Beuve, Jérôme; Cartault, Marie

doi:10.1016/b978-0-444-53349-4.00267-3

Cited by 37 publications

(33 citation statements)

References 45 publications

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“…Natural rubber, also known as cis-1,4-polyisoprene and denoted as (C 5 H 8 )n, is a hydrocarbon with a molecular weight ranging from 1 to 2.5 e10 6 . 66,67 Rubber is recovered from liquid latex through coagulation and addition of acids, such as formic acid. The coagulum, a soft solid slab, is squeezed through a series of rollers to remove excess water and increase surface area.…”

Section: Natural Rubber and Its Sources Natural Rubbermentioning

confidence: 99%

Potential use of natural rubber to produce liquid fuels using hydrous pyrolysis – a review

2016

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Natural rubber is a tropical plantation crop that mainly consists of hydrocarbon polyisoprene (cis-1,4-polyisoprene). Rubber can be converted through depolymerization into liquid, which can be used as fuels or chemical feedstock. This paper provides information on natural rubber and its alternative sources worldwide. Although we focus on hydrous pyrolysis, we also introduced various depolymerization processes, including pyrolysis, gasification, chemical degradation, catalytic cracking and hydrogenation. Hydrous pyrolysis improves the depolymerization process, such that raw materials can be fed without requiring a drying process. This process can also be conducted at low temperatures, and water can be solely used as reaction medium and can be easily separated from the oil product. This paper also reviews the role of process parameters such as temperature, rubber to water ratio, reaction time, and type of gases on product quality and quantity. Moreover, this study highlights the environmental and economic feasibility of hydrous pyrolysis.

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Section: Natural Rubber and Its Sources Natural Rubbermentioning

confidence: 99%

Potential use of natural rubber to produce liquid fuels using hydrous pyrolysis – a review

2016

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“…In 2010, 75% of NR consumption was dedicated to the tire industry (Vaysse et al . ). Indeed, NR is an indispensable material for applications like airplane or big truck tires.…”

Section: Introductionmentioning

confidence: 97%

“… nd, no data; A, (Vaysse et al . ); B, (D'Auzac et al . ); C, (Subramaniam ); D, (Liengprayoon et al .…”

Section: Introductionmentioning

confidence: 99%

“…In 2012, 11 million tons of NR have been consumed (International Rubber Study Group statistics), which represents 42Á2% of the world consumption of natural and synthetic rubbers. In 2010, 75% of NR consumption was dedicated to the tire industry (Vaysse et al 2012). Indeed, NR is an indispensable material for applications like airplane or big truck tires.…”

Section: Introductionmentioning

confidence: 99%

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Micro-organisms in latex and natural rubber coagula ofHevea brasiliensisand their impact on rubber composition, structure and properties

et al. 2014

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Summary Natural rubber, produced by coagulation of the latex from the tree Hevea brasiliensis, is an important biopolymer used in many applications for its outstanding properties. Besides polyisoprene, latex is rich in many nonisoprene components such as carbohydrates, proteins and lipids and thereby constitutes a favourable medium for the development of micro‐organisms. The fresh rubber coagula obtained by latex coagulation are not immediately processed, allowing the development of various microbial communities. The time period between tree tapping and coagula processing is called maturation, during which an evolution of the properties of the corresponding dry natural rubber occurs. This evolution is partly related to the activity of micro‐organisms and to the modification of the biochemical composition. This review synthesizes the current knowledge on microbial populations in latex and natural rubber coagula of H. brasiliensis and the changes they induce on the biochemistry and technical properties of natural rubber during maturation.

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“…As reported, Hevea brasiliensis tree is the most important source of natural rubber (NR), which has a significant share (more than 40%) in the elastomeric market for decades (Vaysse et al, 2012). Apart from the two major industrial applications as antivibratory parts and tires, natural rubber latex (NRL) has consistently been the most satisfactory raw material for manufacturing health care products like medical gloves.…”

Section: Introductionmentioning

confidence: 98%

Immobilization of the proteins in the natural rubber with dialdehyde sodium alginate

Gong¹,

Liu²,

Peng³

et al. 2013

Carbohydrate Polymers

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Natural Rubber

Cited by 37 publications

References 45 publications

Potential use of natural rubber to produce liquid fuels using hydrous pyrolysis – a review

Potential use of natural rubber to produce liquid fuels using hydrous pyrolysis – a review

Micro-organisms in latex and natural rubber coagula ofHevea brasiliensisand their impact on rubber composition, structure and properties

Immobilization of the proteins in the natural rubber with dialdehyde sodium alginate

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