Back SearchTitle: IMPROVEMENT OF METAL CORD FOR TYRES
Page Range: T/1-4
Author(s): Shmurak I L
File size: 83K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
Recent developments in metal (steel) and polymer (nylon-6, nylon-6,6, polyester or viscose) tyre breaker cords aimed at improving cost efficiency and corrosion resistance are reviewed in terms of different types of construction. The use of coatings to improve the bonding of metal cords to rubber is also discussed. 5 refs.
Title: INORGANIC ELASTIC MATERIALS
Page Range: T/5-6
Author(s): Zuev Y S
File size: 34K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The feasibility of fabrication of inorganic elastic materials based on a porous material with closed microcells, on cylindrical microsprings filled with magnetic powder, and on fluted foils are discussed. 5 refs.
Title: DR-PACK: A REVOLUTION IN BLOWN FILM TECHNOLOGY
Page Range: T/7-11
Author(s): Pelcz A; Illes T; Horvath Z
File size: 127K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The design and development of machinery for the production of blown films which incorporates several innovations, including a film-blowing head with rotating core, a ceramic temperature-control unit and an intensive cooling system, is described. The advantages of the new design over conventional equipment are discussed. 0 refs.
Title: MODIFIED POLYBUTENES AND NEW LOW-FLAMMABILITY COMPOSITES
Page Range: T/13-22
Author(s): Ronkin G M
File size: 113K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The chemical modification of polybutene by chlorination, bromination, chlorobromination, chlorosulphonation and bromosulphonation reactions followed by vulcanisation was investigated and the properties of the products were studied. Applications of the products as elastomers, coatings, adhesives, as impact modifiers for poly(vinyl chloride), and as flame retardants for polyethylene, polypropylene and polystyrene are discussed. 9 refs.
Title: NEW COPOLYMERS OF PROPYLENE CARBONATE WITH CONTROLLABLE PROPERTIES
Page Range: T/23-28
Author(s): Beilin I L; Arkhireev V P; Galibeev S S
File size: 89K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The synthesis of ternary copolymers of 2,4-toluene diisocyanate and various proportions of propylene carbonate and N-methylpyrrolidone in the presence of triethylamine as catalyst, and their characterisation by FTIR, proton NMR, elemental analysis, tensile and thermal properties, is described. The kinetics and mechanism of the copolymerisation were investigated, and the effects of monomer ratio on properties of the products are discussed. 7 refs.
Title: STUDY OF THE DIRECT CROSSLINKING OF POLYETHYLENE DURING PROCESSING
Page Range: T/29-30
Author(s): Guseinova Z N; Rustamova Z O
File size: 69K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The crosslinking of polyethylene with acrylonitrile in the presence of t-butyl peroxide and tellurium was investigated by extrusion through a capillary viscometer. The effects of reaction temperature and time on the degree of crosslinking and formation of a three-dimensional crosslinked structure were studied and the results are discussed. 5 refs.
Title: INFLUENCE OF THE PHYSICOMECHANICAL CHARACTERISTICS OF HOLLOW GLASS MICROSPHERES ON THE PROPERTIES OF SPHERE-FILLED PLASTICS
Page Range: T/31-35
Author(s): Sokolov I I; Dolmatovskii M G; Deev I S; Stetsenko V Y
File size: 124K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The effects of the physico-mechanical characteristics of various types of hollow glass microspheres on the properties of composites with epoxy resin binders were investigated by SEM, density and compression strength measurements. The results are discussed in terms of applications as strengthening fillers for honeycomb panels used in the aviation industry 7 refs.
Title: STUDY OF THE EFFECT OF ACCELERATOR CONTENT ON THE PROPERTIES OF AN ADHESIVE COMPOSITE BASED ON EPOXY RESIN ED-22 AND DICYANODIAMINE
Page Range: T/37-41
Author(s): Kolyshkin V A; Kerber M L; Gorbunova I Y
File size: 70K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The effects of tertiary amine accelerator content and curing conditions of an adhesive composite based on epoxy resin and dicyanodiamine on the physico-mechanical properties of adhesive joints and on glass transition temperatures were investigated by shear adhesive strength, viscosity, dynamic modulus and gel content measurements. Changes in properties of composites with different accelerator contents during storage were also studied. 6 refs.
Title: ELECTRICAL PROPERTIES OF COMPOSITES BASED ON UNSATURATED POLYESTER RESIN
Page Range: T/43-47
Author(s): Yakovenko T T; Slimakovskii I V; Suberlyak O V
File size: 109K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The electrical properties of composites based on an unsaturated polyester resin with various proportions of a number of conductive (graphite, copper and aluminium powders) and dielectric (glass microspheres) fillers, and also basalt flakes and polystyrene foam packaging waste, were investigated by dielectric permittivity and loss measurements at various frequencies. The effects of different fillers on dielectric properties are discussed. 5 refs.
Title: CHARACTERISTICS OF COMBUSTION OF FILLED POLYURETHANE FOAMS
Page Range: T/49-52
Author(s): Uspenskaya M V; Sirotinkin N V; Sharapov S V
File size: 50K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The combustion characteristics of polyurethane open-pore and closed-pore foam composites filled with hollow glass microspheres were investigated at different pyrolysis temperatures. The effects of the inert filler on the maximum surface temperature and on the time taken to reach that temperature are discussed in terms of the heat loss and insulation properties of the glass spheres. 8 refs.
Title: BENZOPHENONE-MODIFIED PLASTIC COMPOSITES AS ECOLOGICALLY SAFE FRICTION UNITS
Page Range: T/53-54
Author(s): Davydova O A; Vakar A A; Klimov E S
File size: 41K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The effects of ultraviolet irradiation on polyethylene containing mineral and synthetic oils, higher fatty acids and esters as plasticisers and benzophenone as photosensitiser were investigated by FTIR and ESR spectroscopy. Changes in the friction properties of the surface modified polymers are discussed in terms of oxidation, crosslinking and graft polymerisation processes. 6 refs.
Title: TEMPERATURE LIMIT FOR FULLERENE C60 AS AN ANTIOXIDANT IN THE THERMAL OXIDATION OF POLYMERS
Page Range: T/55-57
Author(s): Troitskii B B; Khokhlova L V; Konev A N; Denisova V N; Novikova M A
File size: 57K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The effects of fullerene C60 on the thermo-oxidative degradation of solution-cast films of polycarbonate (PC) derived from diphenylolpropane and phosgene were investigated by DSC and TGA. The results are compared with those for PC without additives, and with poly(methyl methacrylate) with or without the addition of fullerene C60, and the maximum temperature limit for fullerene C60 as an antioxidant in the thermal oxidation of polymers is discussed. 12 refs.
Title: USE OF BORON COMPOUNDS AS FLAME RETARDANTS FOR POLYMERIC MATERIALS
Page Range: T/59-61
Author(s): Borukaev T A; Sablirova Y M
File size: 62K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The effects of various proportions of boron oxide and boric acid as fireproofing agents on the flammability, rheological and mechanical properties of high density polyethylene and poly(butylene terephthalate) were investigated by combustion testing, capillary viscometry and tensile testing. The results are discussed in terms of optimisation of the fire resistance properties with retention of the physicochemical properties. 8 refs.
Title: EFFECT OF CELLULOSE-CONTAINING WASTE ON THE PHYSICOCHEMICAL PROPERTIES OF ION-EXCHANGE COMPOSITES
Page Range: T/63-66
Author(s): Tadzhikhodzhaev Z A; Dzhalilov A T
File size: 55K
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Issue Year: ipsat
Volume: 33
Issue No: No. 3
Abstract
The properties of sulphonated polymer cation-exchange resins and of amphoteric ion-exchange resins incorporating cellulose-containing waste sawdust were investigated by porosity and ion exchange capacity measurements. The results are discussed in terms of the effects of the addition of the structure-forming component, sawdust, on the pore volume of the ion-exchange resins. 12 refs.