Evidence map›Paper›PMID 30813367›Full record

ArticleMolecules (Basel, Switzerland)2019

The Morphology and Performance of Poly(Vinyl Chloride) Containing Melamine Schiff Bases against Ultraviolet Light.

Gamal A El-Hiti, Mohammad Hayal Alotaibi, Ahmed A Ahmed, Basheer A Hamad, Dina S Ahmed, Ahmed Ahmed, Hassan Hashim, Emad Yousif

Open access · goldAbstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
4.6field-weighted citation impact, top 4% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 58 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors at 5 institutions in 2 countries.

Gamal A El-HitiDepartment of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia. gelhiti@ksu.edu.sa.ORCID 0000-0001-6675-3126
Mohammad Hayal AlotaibiNational Center for Petrochemicals Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia. mhhalotaibi@kacst.edu.sa.ORCID 0000-0001-5435-5200
Ahmed A AhmedDepartment of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq. ahmedahmedalazawi@gmail.com.
Basheer A HamadDepartment of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq. basheerali400@gmail.com.
Dina S AhmedDepartment of Medical Instrumentation Engineering, Al-Mansour University College, Baghdad 64021, Iraq. dinasaadi86@gmail.com.
Ahmed AhmedPolymer Research Unit, College of Science, Al-Mustansiriyah University, Baghdad 10052, Iraq. drahmed625@gmail.com.
Hassan HashimDepartment of Physics, College of Science, Al-Nahrain University, Baghdad 64021, Iraq. hassan.albattat@gmail.com.
Emad YousifDepartment of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq. emad_yousif@nahrainuniv.edu.iq.ORCID 0000-0003-1458-4724
Nahrain University · IQMustansiriyah University · IQAl Mansour University College · IQKing Abdulaziz City for Science and Technology · SAKing Saud University · SA

Funding

King Saud University Deanship of Scientific Research
6 · The paper itself

Abstract

Five Schiff bases derived from melamine have been used as efficient additives to reduce the process of photodegradation of poly(vinyl chloride) films. The performance of Schiff bases has been investigated using various techniques. Poly(vinyl chloride) films containing Schiff bases were irradiated with ultraviolet light and any changes in their infrared spectra, weight, and the viscosity of their average molecular weight were investigated. In addition, the surface morphology of the films was inspected using a light microscope, atomic force microscopy, and a scanning electron micrograph. The additives enhanced the films resistance against irradiation and the polymeric surface was much smoother in the presence of the Schiff bases compared with the blank film. Schiff bases containing an ortho-hydroxyl group on the aryl rings showed the greatest photostabilization effect, which may possibly have been due to the direct absorption of ultraviolet light. This phenomenon seems to involve the transfer of a proton as well as several intersystem crossing processes.

Indexed as

Microscopy, Atomic ForceMicroscopy, Electron, ScanningMolecular StructurePhotolysisPolyvinyl ChlorideSchiff BasesTriazinesUltraviolet RaysmelaminePolyvinyl ChlorideSchiff BasesTriazinescarbonyl group indexmelaminephotostabilizationpoly(vinyl chloride)Schiff basesultraviolet irradiationweight loss

Identifiers

PMID30813367
PMCPMC6413115
OpenAlexW2916726269

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.