Results 21 to 30 of about 111,793 (200)

Optimization of cellulose acrylate and grafted 4-vinylpyridine and 1-vinylimidazole synthesis [PDF]

open access: yesHemijska Industrija, 2010
Optimization of cellulose acrylate synthesis by reaction with sodium cellulosate and acryloyl chloride was carried out. Optimal conditions for conducting the synthesis reaction of cellulose acrylate were as follows: the molar ratio of cellulose/potassium-
Bojanić Vaso
doaj   +1 more source

Worker Exposure to Vinyl Chloride and Poly(Vinyl Chloride) [PDF]

open access: yesEnvironmental Health Perspectives, 1981
The National Institute for Occupational Safety and Health (NIOSH) in early 1974 began industrial hygiene studies of vinyl chloride exposed workers. Three VC monomer plants, three VC polymerization plants, and seven PVC fabrication plants were surveyed.
openaire   +2 more sources

Photostability Study of Some Modified Poly(vinyl chloride) Containing Pendant Schiff’s Bases

open access: yesمجلة بغداد للعلوم, 2016
The polymers modified Poly(vinyl chloride) differ in their tendency to photo oxidation comparing with that unmodified. It has been studied Photostability for modified Poly(vinyl chloride) chains using Schiff’s bases derivative of (5-amino-1, 3, 4 ...
Baghdad Science Journal
doaj   +1 more source

Heavy metal free thermal stabilizing-flame retarding modifier for plasticized poly(vinyl chloride)

open access: yesMaterials Research Express, 2020
Our research aimed to find a new material that can be an efficient heavy metal free flame retardant for plasticized poly(vinyl chloride) comparable to the conventional flame retardants.
Ali I Al-Mosawi, Kálmán Marossy
doaj   +1 more source

Toxicity of Vinyl Chloride and Poly(Vinyl Chloride): A Critical Review [PDF]

open access: yesEnvironmental Health Perspectives, 1983
In 1974, vinyl chloride (VC) was first reported in the open scientific literature to induce angiosarcoma of the liver both in humans and in animals. Additional research has now demonstrated the carcinogenicity of VC to other organs and at lower concentrations.
openaire   +2 more sources

Biodegradation of blend films PVA/PVC, PVA/PCL in soil and soil with landfill leachate

open access: yesBrazilian Archives of Biology and Technology, 2011
This study investigated the biodegradation of blends films of poly(vinyl alcohol)/poly(vinyl chloride) (PVA/PVC) and poly(vinyl alcohol)/poly(caprolactone) (PVA/PCL) blends films prepared with dimethylformamide under a variety of conditions by ...
Adriana de Campos   +2 more
doaj   +1 more source

ZnS Nanocrystals as an Additive for Gamma-Irradiated Poly (Vinyl Chloride) [PDF]

open access: yesMaterials Research, 2018
Zinc sulfide (ZnS) was synthesized by sonochemical method and nanoparticles with crystallite size around 2 nm were obtained. PVC containing ZnS nanoparticles at concentrations of 0.10; 0.30; 0.50; 0.7 and 1.00 wt% were gamma irradiated (60Co) at room ...
Roberta Cristina da Silva   +5 more
doaj   +1 more source

Screening of poly vinyl chloride degrading bacteria from plastic contaminated area of Baddi

open access: yesJournal of Applied Pharmaceutical Research, 2017
Plastic wastes are posing ever increasing environmental concerns. Recent research works have shown that most of the constituents of plastics can be degraded by microbes and the film plastics can be treated by microbial systems.
Sahni Kumar   +2 more
doaj   +1 more source

Photo Stabilization of Poly (Vinyl Chloride) Films by Some Nickel Complexes

open access: yesAcademic Science Journal, 2023
This study looked at the utilization of certain nickel complexes and their effects on the photodegradation of poly vinyl chloride. PVC films were cast using a 0.05 w/w by weight compound concentration Tetrahydrofuran (THF) solvent (80µm thickness ...
Ahmed Salim Ibrahim
doaj   +1 more source

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

open access: yesPolymers, 2020
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.
Alaa Mohammed   +5 more
semanticscholar   +1 more source

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