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Article
New Hybrid Sublayers for Heat- and Water-Resistant Adhesive Joints of Cast Polyurethane with Metals
New hybrid epoxyurethane adhesive compositions for attaching cast polyether urethane to the surface of AMg6 aluminum alloy are presented. Polyetherurethane elastomers and adhesive compounds based on them were ...
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Article
The Influence of Microwave Radiation on the Deformation-Strength Properties of a Polyurethane Binder Based on the PDI-3B Oligomer
The influence of microwave radiation on the vulcanizate of a polyurethane binder based on PDI-3B low-molecular rubber has been studied. The densities of the thermal energy of microwave radiation absorbed by th...
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Article
Structure and Properties of Urethane-Containing Elastomers Based on Adipic Acid Polyester and Ethylene Glycol, Isophorone Disocyanate, and Aromatic Diamine
The effect that the molecular weight of oligoethylene adipate exerts on the properties of urethane-containing elastomers is studied. Three oligoethylene adipates have been obtained by means of adipic acid and ...
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Article
Relationship between the Abrasion Resistance of Urethane-Containing Elastomers and Their Structure
Effect of the chemical structure of urethane-containing elastomers on their abrasion resistance is studied. Dependence of the degree of volumetric wear on the hard segment content for the studied elastomers ha...
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Article
Influence of Relative Air Humidity on the Abrasion Resistance of Polyurethane Ureas with Different Hard Segment Content in a Polymer Chain
It is shown that the abrasion resistance of polyurethane ureas based on polyoxytetramethylene diol oligoether Polyfurite-1000 deteriorates significantly upon moistening. This effect is related to the weakening...
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Article
Polyurethane Elastomers Based on Epoxy-Terminated Oligomers
This work is devoted to the synthesis of polyurethane elastomers based on oligoetherurethane diepoxides, as well as to the study of the correlation of their physical and mechanical properties with the phase an...
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Article
A New Method to Identify Rubbers and Elastomers using Swelling in Various Solvents
A method to identify cross-linked rubbers and elastomers is presented in this report. Three series of polyurethane elastomers with various chemical structures were swollen in selected solvents. The obtained re...
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Article
Relationship between Abrasive Wear of Urethane-Containing Elastomers and Their Physical and Mechanical Properties
The relationship between abrasive wear and physical and mechanical properties of cast polyurethane and polyurethane urea elastomers based on polyester P-6BA was studied in a wide range of variation of their el...
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Article
Effect of a Plasticizer on the Properties of Elastomers Based on Polyester with Urethane–Hydroxyl Hard Blocks
Urethane-containing elastomers based on polyesters with various urethane–hydroxyl hard blocks were studied. The strength and glass transition point of the elastomers with urethane–hydroxyl hard blocks can diff...
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Article
The Influence of Fillers on Abrasive Wear of Segmented Polyurethane Urea
The well-known elastic polymeric material polyether urethane urea SKU-PFL, which is a typical segmented block copolymer, was chosen as an object of study. Powdered microdispersed fillers capable of improving w...
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Article
A Frost-Resistant Urethane-Containing Compound
Heterogeneous elastomers were obtained on the basis of mixtures of oligobutadiene tetraurethane diepoxide and ED-20 epoxy-diane resin with low thermodynamic compatibility of the components, and their propertie...
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Article
Frost-Resistant Elastomers with Controllable Microphase Segregation, Based on Epoxy–Ether–Urethane Oligomers
The influence exerted by the molecular mass of the oligoether and structure of the diisocyanate (starting compounds in the synthesis of epoxy–urethane oligomers) on the thermal behavior and physicomechanical p...
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Article
Microheterogeneous Polyetherhydroxylurethane Elastomers with Controlled Phase Structure for Structural Adhesives
Polyetherhydroxylurethane elastomers were prepared from mixtures of epoxy urethane oligomers and diglycidyl urethane, synthesized using isophorone diisocyanate, and the properties of the products obtained were...
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Article
Preparation and Properties of Frost-Resistant Materials Based on Compounds of Oligoether Urethane Epoxides and Diglycidyl Urethane
A procedure was suggested for preparing epoxy ether urethane oligomers via intermediate oligodiisocyanates with increased content of the starting 2,4-toluene diisocyanate. The procedure allows preparation of e...
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Article
Frost-Resistant Polyurethane-Urea Materials Based on Oligoethers
Physicomechanical behavior of cross-linked segmented polyester urethane ureas with poly(tetramethylene oxide) segments of varied molecular mass, plasticized with di-(2-ethylhexyl) cebacate, was considered. Dat...
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Article
Preparation and Properties of Frost-Resistant Room-Temperature-Curable Compounds Based on Oligoethertetraurethane Diepoxides of Various Chemical Structures
New polytetraurethane diepoxides were prepared from oligo(tetramethylene oxide)diols of various molecular masses, various diisocyanates, and glycidol. High-strength frost-resistant cold-curable elastic compoun...
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Article
Tetrablock Copolymers Based on Oligoether Diols, 2,4-toluene diisocyanate, Isophorone Diisocyanate, and Methylene-bis-о-chloroaniline
Tetrablock polyurethane ureas with mixed soft segments and dissimilar hard urethane urea blocks, based on oligo(propylene oxide)diol, oligo(tetramethylene oxide)diol, 2,4-toluene diisocyanate, isophorone diiso...
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Article
Fast-Curing Silanized Polyetherurethane Sealants
The possibility of shortening the curing time of glue sealants based on silanized polyetherethanes has been studied. It is shown that fast-curing sealants with high physicomechanical characteristics can be obt...
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Article
Characteristics of polyether urethanes with mixed soft segments, prepared by two- and three-step procedures
A three-step procedure for preparing polyurethanes with mixed polyether segments was suggested. It involves preparation of the “inverse” prepolymer by the reaction of one of oligodiisocyanates with 1,4-butaned...
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Article
Influence of the molecular mass of soft segments on the thermodynamic stability and physicomechanical properties of plasticized polyether urethane
The physicomechanical properties and thermodynamic stability of segmented polyether urethane containing poly(tetramethylene oxide) segments of different molecular masses (М ∼ 1000, 1400, 1950) and plasticized wit...
