Influence of the Molecular Weight of Oligoisobutylenes on the Properties of Uncured Sealants

Perova, M. S.; Galimzyanova, R. Yu.; Khakimullin, Yu. N.; Вольфсон, С. И.

doi:10.1177/0307174x1103801203

Cited by 12 publications

(8 citation statements)

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“…By combining butyl elastomeric adhesives with a polyethylene layer, the passage of both water and oxygen through the coating is effectively impeded. As water and oxygen are the essential factors required for corrosion to transpire, their access to the steel substrate surface is essentially obstructed, thereby mitigating corrosion [ 147 , 148 , 149 , 150 , 151 ].…”

Section: Materials Joined Using Hot Meltsmentioning

confidence: 99%

Organosilicon Compounds in Hot-Melt Adhesive Technologies

Czakaj,

Sztorch,

Romanczuk-Ruszuk

et al. 2023

Polymers

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Hot-melt adhesives (HMAs) are thermoplastic materials that can bond various substrates by solidifying rapidly upon cooling from the molten state, and their modification with organosilicon compounds can result in crosslinking behavior, characteristic of gels. Organosilicon compounds are hybrid molecules that have both inorganic and organic components and can enhance the properties and performance of HMAs. The gel aspect of HMA with and without organosilicon modifiers can be considered in organosilicon-modified systems, the modifiers are often either sol–gel condensation products or their mechanism of action on the adherent surface can be considered of sol–gel type. The purpose of this manuscript is to present the current state of the art on the formulation, characterization, and application of HMAs and optimize their performance with organosilicon compounds for application in various industries such as automotive, construction, and photovoltaics. This review covers articles published within the period of 2018–2022. The article is divided into sections, in which information about hot-melt adhesives is described at the beginning. The following part of the presented review focuses on the composition of hot-melt adhesives, which takes into account the use of organosilicon compounds. The last part of this review outlines the future trends in hot-melt adhesives.

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Section: Materials Joined Using Hot Meltsmentioning

confidence: 99%

Organosilicon Compounds in Hot-Melt Adhesive Technologies

Czakaj,

Sztorch,

Romanczuk-Ruszuk

et al. 2023

Polymers

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“…Such materials are made from the most affordable polymer -polypropylene. Despite all the advantages (high strength characteristics, lintfree structure, non-toxicity, anti-static) non-woven spanmelt materials based on polypropylene, have low resistance to radiation sterilization [11][12][13][14][15][16], which is one of the main industrial methods of sterilization of medical devices. Ionizing radiation leads to a decrease in the strength characteristics of non-woven materials based on polypropylene and then products from such materials cease to meet the requirements that apply to them.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Radiation Sterilization on the Stress-Strain Properties of Non-Woven Materials -Based on Polypropylene

Rakhmatullina

Lisanevich

Galimzyanova

et al. 2020

MSF

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Non-woven materials are widely used for the manufacture of disposable medical clothing and underwear. Radiation is widely used to sterilize single-use medical devices. The paper analyzes the effect of ionizing radiation at absorbed doses of 0-60 kGy on the stress-strain properties of medical non-woven spanmelt material based on polypropylene obtained by blow-molding technology. It has been established that ionizing radiation significantly reduces the breaking load and elongation in the machine and cross directions of the web. For this type of material, the most critical is the decrease in strength in the cross direction of the web, primarily because the level of strength in the cross direction of spanmelt materials is generally low. Sterilization by ionizing radiation further reduces strength and leads to the fact that non-woven materials irradiated with an absorbed dose of 50-60 kGy are close to unacceptable values in accordance with the requirements of EN 13975-2011.

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“…For these products is often used sterilization with ionizing radiation [7,8]. However, polymers having tertiary or quaternary carbon atoms in their structure, when exposed to ionizing radiation, are mainly destructed by a radical mechanism [9][10][11]. These polymers are polypropylene.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Polyquinone and Phenol-Phosphite Stabilizer on the Resistance of Polypropylene to Ionizing Radiation

Lisanevich

Rakhmatullina

Khakimullin

et al. 2019

KEM

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For polymeric materials intended for the manufacture of disposable sterile medical devices, resistance to sterilization methods is important. For the manufacture of disposable medical products is widely used polypropylene, destructive during radiation sterilization. It is established that the addition of polyquinone leads to a decrease in the destruction of polypropylene, which is manifested in a decrease in the values of the melt flow index and an increase in the degradation temperature of polypropylene of the irradiated compositions.

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Influence of the Molecular Weight of Oligoisobutylenes on the Properties of Uncured Sealants

Cited by 12 publications

References 0 publications

Organosilicon Compounds in Hot-Melt Adhesive Technologies

Organosilicon Compounds in Hot-Melt Adhesive Technologies

The Effect of Radiation Sterilization on the Stress-Strain Properties of Non-Woven Materials -Based on Polypropylene

The Effect of Polyquinone and Phenol-Phosphite Stabilizer on the Resistance of Polypropylene to Ionizing Radiation

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