Tropical tannin for engineering application: a review

There is a great concern to protect the steel surfaces from corrosion phenomenon in the environment of oil and gas industry. Several approaches have been proposed to introduce alternative new compounds in the paint which are green sources that can reduce environmental risks. Tannins in actuality are...

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Main Authors:	Zulkafli, Hassan, W. A., Ibrahim, Azizul Helmi, Sofian, Noor Aishah, Rosli
Format:	Conference or Workshop Item
Language:	English
Published:	2018
Subjects:	TP Chemical technology
Online Access:	http://umpir.ump.edu.my/id/eprint/23801/ http://umpir.ump.edu.my/id/eprint/23801/1/19.%20Tropical%20tannin%20for%20engineering%20application%20-%20a%20review.pdf

id	ump-23801
recordtype	eprints
spelling	ump-238012019-01-16T01:23:45Z http://umpir.ump.edu.my/id/eprint/23801/ Tropical tannin for engineering application: a review Zulkafli, Hassan W. A., Ibrahim Azizul Helmi, Sofian Noor Aishah, Rosli TP Chemical technology There is a great concern to protect the steel surfaces from corrosion phenomenon in the environment of oil and gas industry. Several approaches have been proposed to introduce alternative new compounds in the paint which are green sources that can reduce environmental risks. Tannins in actuality are large and diverse family of phenolic compound with varying structure and widely distributed through the plant kingdom. It has myriad supplemental functions in a plant’s life cycle, as protective tissue and defense strategies. The phenolic compound is consist of hydroxyl group bonded to an aromatic compound and has the properties to interact with aqueous solution. Phenolic compound is an active compound due to the lower bond dissociation energies of OH group and easier to lose H atom [1]. Hence, tannin containing enough hydroxyl group for encourage effective cross linking of other compounds. Tannin can be divided into two groups called condensed tannins and hydrolysable tannins. Hydrolysable tannins are hydrolysed by enzyme or acid and can be subdivided into ellagitannin and gallotannin while condensed tannins are not readily hydrolysable to simpler molecules and they do not contain a sugar moiety. Condensed tannin have the ability to synthesize mixtures of polymers and oligomers that makes their chemistry typically quite demanding. Tannin contain four flavonoid namely: catechin, epitechin, epigallocatechin and epicatechin gallate which is showed in Figure 1. Due to its flavonoid monomer, tannin have the prospective as corrosion inhibitors for steel in acidic environment [2]. 2018 Conference or Workshop Item PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/23801/1/19.%20Tropical%20tannin%20for%20engineering%20application%20-%20a%20review.pdf Zulkafli, Hassan and W. A., Ibrahim and Azizul Helmi, Sofian and Noor Aishah, Rosli (2018) Tropical tannin for engineering application: a review. In: 4th International Conference Of Chemical Engineering And Industrial Biotechnology (ICCEIB 2018), 1-2 Aug 2018 , Seri Pacific Hotel, Kuala Lumpur. pp. 201-203.. (In Press)
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TP Chemical technology
spellingShingle	TP Chemical technology Zulkafli, Hassan W. A., Ibrahim Azizul Helmi, Sofian Noor Aishah, Rosli Tropical tannin for engineering application: a review
description	There is a great concern to protect the steel surfaces from corrosion phenomenon in the environment of oil and gas industry. Several approaches have been proposed to introduce alternative new compounds in the paint which are green sources that can reduce environmental risks. Tannins in actuality are large and diverse family of phenolic compound with varying structure and widely distributed through the plant kingdom. It has myriad supplemental functions in a plant’s life cycle, as protective tissue and defense strategies. The phenolic compound is consist of hydroxyl group bonded to an aromatic compound and has the properties to interact with aqueous solution. Phenolic compound is an active compound due to the lower bond dissociation energies of OH group and easier to lose H atom [1]. Hence, tannin containing enough hydroxyl group for encourage effective cross linking of other compounds. Tannin can be divided into two groups called condensed tannins and hydrolysable tannins. Hydrolysable tannins are hydrolysed by enzyme or acid and can be subdivided into ellagitannin and gallotannin while condensed tannins are not readily hydrolysable to simpler molecules and they do not contain a sugar moiety. Condensed tannin have the ability to synthesize mixtures of polymers and oligomers that makes their chemistry typically quite demanding. Tannin contain four flavonoid namely: catechin, epitechin, epigallocatechin and epicatechin gallate which is showed in Figure 1. Due to its flavonoid monomer, tannin have the prospective as corrosion inhibitors for steel in acidic environment [2].
format	Conference or Workshop Item
author	Zulkafli, Hassan W. A., Ibrahim Azizul Helmi, Sofian Noor Aishah, Rosli
author_facet	Zulkafli, Hassan W. A., Ibrahim Azizul Helmi, Sofian Noor Aishah, Rosli
author_sort	Zulkafli, Hassan
title	Tropical tannin for engineering application: a review
title_short	Tropical tannin for engineering application: a review
title_full	Tropical tannin for engineering application: a review
title_fullStr	Tropical tannin for engineering application: a review
title_full_unstemmed	Tropical tannin for engineering application: a review
title_sort	tropical tannin for engineering application: a review
publishDate	2018
url	http://umpir.ump.edu.my/id/eprint/23801/ http://umpir.ump.edu.my/id/eprint/23801/1/19.%20Tropical%20tannin%20for%20engineering%20application%20-%20a%20review.pdf
first_indexed	2023-09-18T22:35:49Z
last_indexed	2023-09-18T22:35:49Z
_version_	1777416587659182080

Tropical tannin for engineering application: a review

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