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SYNTHESIS AND CHARACTERISATION OF BISPHENOL A NOVOLAC EPOXY RESINS FOR COATING APPLICATIONS

Article

Last updated: 03 Jan 2025

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Tags

Chemistry

Abstract

Bisphenol A novolacs were synthesized in a melting process using para formaldehyde, and in a solution process using formalin solution and oxalic acid catalyst. 1H-NMR investigations show a higher content of methylene bridges in the novolacs synthesized by the melting process. These novolacs were analyzed by GPC and FT-IR spectroscopy. The bisphenol A novolac was cured with 1,2-amino ethyl piperazine (AEP ) as a curing agent for epoxy resins. The networks synthesized were evaluated as organic coatings for steel. The mechanical properties of the cured epoxy resins were tested and the chemical resistances of the cured resins were evaluated through salt spray resistance, hot water, solvents, acid and alkali resistance measurements. The data indicate that the cured epoxy resins have excellent chemical resistance as organic coatings among other resins.

DOI

10.21608/absb.2008.9913

Keywords

Bisphenol, NOVOLAC EPOXY RESINS

Authors

First Name

N.

Last Name

SHAKER

MiddleName

O.

Affiliation

Egyptian Petroleum Research Institute, Nasr City 11727, Cairo, Egypt

Email

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City

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Orcid

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Volume

19

Article Issue

Issue 1-A

Related Issue

1639

Issue Date

2008-06-01

Receive Date

2008-01-12

Publish Date

2008-06-01

Page Start

205

Page End

222

Print ISSN

1110-2535

Online ISSN

2636-3305

Article File

ABSB_Volume 19_Issue Issue 1-A_Pages 205-222.pdf

PDF . 2.8MB

Link

https://absb.journals.ekb.eg/article_9913.html

Detail API

https://absb.journals.ekb.eg/service?article_code=9913

Order

14

Type

Original Article

Type Code

520

Publication Type

Journal

Publication Title

Al-Azhar Bulletin of Science

Publication Link

https://absb.journals.ekb.eg/

MainTitle

SYNTHESIS AND CHARACTERISATION OF BISPHENOL A NOVOLAC EPOXY RESINS FOR COATING APPLICATIONS

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Type

Article

Created At

22 Jan 2023