Vegetable oil thermosets reinforced by tannin-lipid formulations

Chunhua Luo; Warren J. Grigsby; Neil R. Edmonds; Jafar Al-Hakkak

doi:10.1016/j.actbio.2012.08.048

Vegetable oil thermosets reinforced by tannin-lipid formulations

Chunhua Luo
, Warren J. Grigsby^*
, Neil R. Edmonds
, Jafar Al-Hakkak

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Totally bio-based thermosetting polymers which are comparable to synthetic polyester thermosets have been prepared from copolymerization of condensed tannin-fatty acid esters with vegetable oils. Oxidative copolymerization of tannin linoleate/acetate mixed esters with linseed oil and tung oil produced polymer films ranging from soft rubbers to rigid thermosets. Tannin incorporation into the formulations was essential for the final product to achieve necessary mechanical strength. Films had ambient modulus values between 0.12 and 1.6 GPa, with glass transition temperatures ranging from 32 to 72°C and calculated crosslink densities of 1020-57,700 mol m^-3. Film stiffness, T_g and crosslink density increase with greater tannin linoeate/acetate content due mainly to this tannin component providing rigidity through polyphenolic aromatic rings and unsaturated chains as crosslinking sites.

Original language	English
Pages (from-to)	5226-5233
Number of pages	8
Journal	Acta Biomaterialia
Volume	9
Issue number	2
DOIs	https://doi.org/10.1016/j.actbio.2012.08.048
State	Published - Feb 2013
Externally published	Yes

Keywords

Condensed tannin
Oxidation polymerization
Thermosets
Vegetable oil-based polymers

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10.1016/j.actbio.2012.08.048

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title = "Vegetable oil thermosets reinforced by tannin-lipid formulations",

abstract = "Totally bio-based thermosetting polymers which are comparable to synthetic polyester thermosets have been prepared from copolymerization of condensed tannin-fatty acid esters with vegetable oils. Oxidative copolymerization of tannin linoleate/acetate mixed esters with linseed oil and tung oil produced polymer films ranging from soft rubbers to rigid thermosets. Tannin incorporation into the formulations was essential for the final product to achieve necessary mechanical strength. Films had ambient modulus values between 0.12 and 1.6 GPa, with glass transition temperatures ranging from 32 to 72°C and calculated crosslink densities of 1020-57,700 mol m-3. Film stiffness, Tg and crosslink density increase with greater tannin linoeate/acetate content due mainly to this tannin component providing rigidity through polyphenolic aromatic rings and unsaturated chains as crosslinking sites.",

keywords = "Condensed tannin, Oxidation polymerization, Thermosets, Vegetable oil-based polymers",

author = "Chunhua Luo and Grigsby, \{Warren J.\} and Edmonds, \{Neil R.\} and Jafar Al-Hakkak",

year = "2013",

month = feb,

doi = "10.1016/j.actbio.2012.08.048",

language = "英语",

volume = "9",

pages = "5226--5233",

journal = "Acta Biomaterialia",

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}

TY - JOUR

T1 - Vegetable oil thermosets reinforced by tannin-lipid formulations

AU - Luo, Chunhua

AU - Grigsby, Warren J.

AU - Edmonds, Neil R.

AU - Al-Hakkak, Jafar

PY - 2013/2

Y1 - 2013/2

N2 - Totally bio-based thermosetting polymers which are comparable to synthetic polyester thermosets have been prepared from copolymerization of condensed tannin-fatty acid esters with vegetable oils. Oxidative copolymerization of tannin linoleate/acetate mixed esters with linseed oil and tung oil produced polymer films ranging from soft rubbers to rigid thermosets. Tannin incorporation into the formulations was essential for the final product to achieve necessary mechanical strength. Films had ambient modulus values between 0.12 and 1.6 GPa, with glass transition temperatures ranging from 32 to 72°C and calculated crosslink densities of 1020-57,700 mol m-3. Film stiffness, Tg and crosslink density increase with greater tannin linoeate/acetate content due mainly to this tannin component providing rigidity through polyphenolic aromatic rings and unsaturated chains as crosslinking sites.

AB - Totally bio-based thermosetting polymers which are comparable to synthetic polyester thermosets have been prepared from copolymerization of condensed tannin-fatty acid esters with vegetable oils. Oxidative copolymerization of tannin linoleate/acetate mixed esters with linseed oil and tung oil produced polymer films ranging from soft rubbers to rigid thermosets. Tannin incorporation into the formulations was essential for the final product to achieve necessary mechanical strength. Films had ambient modulus values between 0.12 and 1.6 GPa, with glass transition temperatures ranging from 32 to 72°C and calculated crosslink densities of 1020-57,700 mol m-3. Film stiffness, Tg and crosslink density increase with greater tannin linoeate/acetate content due mainly to this tannin component providing rigidity through polyphenolic aromatic rings and unsaturated chains as crosslinking sites.

KW - Condensed tannin

KW - Oxidation polymerization

KW - Thermosets

KW - Vegetable oil-based polymers

UR - https://www.scopus.com/pages/publications/84872066151

U2 - 10.1016/j.actbio.2012.08.048

DO - 10.1016/j.actbio.2012.08.048

M3 - 文章

C2 - 22975626

AN - SCOPUS:84872066151

SN - 1742-7061

VL - 9

SP - 5226

EP - 5233

JO - Acta Biomaterialia

JF - Acta Biomaterialia

IS - 2

ER -

Vegetable oil thermosets reinforced by tannin-lipid formulations

Abstract

Keywords

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