Results 1 to 10 of about 563 (165)

The production of novolac oligomers

open access: yesChimica Techno Acta, 2016
The paper presents the improvement of production technology of novolac phenol-formaldehyde oligo-mers by introducing the new scheme of capture of exhaust gases due to waste production, which leads to a reduction of costs and increase economic efficiency.
A. N. Galushchinsky, K. L. Obydennov
doaj   +4 more sources

The effect of B4C addition on the shielding properties of polydimethylsiloxane-novolac composite [PDF]

open access: yesScientific Reports
This research aims to make a polymer composite of polydimethylsiloxane (PDMS)/Novolac base reinforced by B4C particles. The hot press method was used to produce a polymer composite with an optimum ratio of 85/15 PDMS/Novolac and 7, 12, 15, 20, and 30 ...
Morteza Sarvari, Hamzeh Foratirad
doaj   +2 more sources

How to speed up ion transport in nanopores [PDF]

open access: yesNature Communications, 2020
Narrowing pores filled with an electrolyte usually slows down their charge-discharge dynamics. Here the authors demonstrate through molecular dynamics simulations and experiments with novolac-derived carbon electrodes how non-linear voltage sweeps can ...
Konrad Breitsprecher   +6 more
doaj   +2 more sources

Epoxy and epoxy novolac adhesive binders for structural reinforcement systems of building structures [PDF]

open access: yesE3S Web of Conferences, 2021
Today, along with the conventional materials and technologies for reinforcement of building structures, structural reinforcement systems based on polymer composites are on the rise.
Starovoitova Irina, Nizamiev Rustem
doaj   +1 more source

Synthesis and Calculation of Some Linear Optical Properties and the Oscillator Strength Parameters of a New Azo Dye Polymer Compound [PDF]

open access: yesEngineering and Technology Journal, 2014
In this paper, azo dye polymer materials was synthesis from P-toludine with Novolac by Fox method. The optical properties of an azo dye polymer film with thickness 10µm have been investigated by the transmittance and absorbance spectra in the wavelength ...
Maged A. nattiq
doaj   +1 more source

Effect of Composition and Type of Phenolic Resin on Mechanical Properties andMorphology of Phenolic Nanocomposites [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2013
Nanocomposites based on phenolic resol and novolac resins and Cloisite 30B were prepared. Different kinds of phenolic resins and clay content were studied with respect to the morphology and mechanical properties of the polymer silicate layers.
G. Naderi   +2 more
doaj   +1 more source

Synthesis of Cardanol-Based Acetaldehyde Novolac Resin from Cashew Nut Shell Liquid (CNSL)

open access: yesJurnal Kimia Sains dan Aplikasi, 2022
Polymers are currently in the limelight. Phenolic resin is one of the polymer products obtained from the polymerization process, either from natural or synthetic sources. One of the natural compounds that can be applied to polymers is cardanol.
Surya Dewi Marliyana   +2 more
doaj   +1 more source

The Effect of Novolac and Graphite Polycrystal on the Acetone Penetration and Thermal Resistance of Nanocomposites Based on Nitrile Rubber [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2015
Developments of high diffusive environments in coincidence with emerging fluids with strong ability to destroy polymeric systems have resulted in rapid deformation and destruction of polymeric parts when in contact with such aggressive environments ...
Rasool Mahboudi   +2 more
doaj   +1 more source

Evaluation of the effect of the novolac resin ratio on the high temperature performance of the brake pads

open access: yesInternational Journal of Automotive Science and Technology, 2022
The resin is a widely used binder in the brake pads. Determining the optimum, resin ratio is important for the brake pad to show the best wear and braking performance. In this article, the impression of the novolac resin ratio (15% and 30%) on the perfor-
Gülşah Akıncıoğlu
doaj   +1 more source

Thermal and Mechanical Properties of Novolac-Silica Hybrid Aerogels Prepared by Sol-Gel Polymerization in Solvent-Saturated Vapor Atmosphere [PDF]

open access: yesعلوم و تکنولوژی پلیمر, 2015
Nowadays organic–inorganic hybrid aerogel materials have attracted increasing interests due to improved thermal and mechanical properties. In the present research, initially, novolac type phenolic resin-silica hybrid gels with different solid ...
Mohamad Mehdi Seraji1, Seraji   +2 more
doaj   +1 more source

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