Evidence map›Paper›PMID 32326307›Full record

ArticlePolymers2020

Protection of Poly(Vinyl Chloride) Films against Photodegradation Using Various Valsartan Tin Complexes.

Alaa Mohammed, Gamal A El-Hiti, Emad Yousif, Ahmed A Ahmed, Dina S Ahmed, Mohammad Hayal Alotaibi

Abstract read
In one paragraph

Article in Polymers, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
–field-weighted citation impact
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

12 citing papers in PubMed.

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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

6 authors.

Alaa MohammedDepartment of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq.
Gamal A El-HitiCornea Research Chair, Department of Optometry, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia.ORCID 0000-0001-6675-3126
Emad YousifDepartment of Chemistry, College of Science, Al-Nahrain University, Baghdad 64021, Iraq.ORCID 0000-0003-1458-4724
Ahmed A AhmedPolymer Research Unit, College of Science, Al-Mustansiriyah University, Baghdad 10052, Iraq.
Dina S AhmedDepartment of Medical Instrumentation Engineering, Al-Mansour University College, Baghdad 64021, Iraq.
Mohammad Hayal AlotaibiNational Center for Petrochemicals Technology, King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Saudi Arabia.ORCID 0000-0001-5435-5200

Funding

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

Abstract

Poly(vinyl chloride) is a common plastic that is widely used in many industrial applications. Poly(vinyl chloride) is mixed with additives to improve its mechanical and physical properties and to enable its use in harsh environments. Herein, to protect poly(vinyl chloride) films against photoirradiation with ultraviolet light, a number of tin complexes containing valsartan were synthesized and their chemical structures were established. Fourier-transform infrared spectroscopy, weight loss, and molecular weight determination showed that the non-desirable changes were lower in the films containing the tin complexes than for the blank polymeric films. Analysis of the surface morphology of the irradiated polymeric materials showed that the films containing additives were less rough than the irradiated blank film. The tin complexes protected the poly(vinyl chloride) films against irradiation, where the complexes with high aromaticity were particularly effective. The additives act as primary and secondary stabilizers that absorb the incident radiation and slowly remit it to the polymeric chain as heat energy over time at a harmless level.

Indexed as

additivesaverage molecular weightfunctional group indexpoly(vinyl chloride)tin compoundsvalsartanweight loss

Identifiers

PMID32326307
PMCPMC7240378

What OpenQuestion holds

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Registered trials

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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.