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    Wyświetlanie 1-6 z 6
    Tytuł:
    Manufacturing of solvent-free acrylic pressure-sensitive adhesives in form of self-adhesive layers
    Autorzy:
    Czech, Z.
    Sowa, D.
    Ragańska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/412416.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    pressure-sensitive
    acrylics
    adhesive
    polymerization
    solvent-free
    UV-crosslinking
    Opis:
    The present publication is related to a process for producing the non-solvent acrylic pressure-sensitive adhesive (PSA). New applications and technical specifications stimulate the continuous development of new methods of polymerization of solvent-free acrylate. New synthesis of solvent-free acrylics includes polymerization in the reactor with removal of the solvent and polymerization of the carrier. The polymerization process is connected with UV-crosslinking.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 8, 2; 147-159
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    New copolymerizable photoinitiators for radiation curing of acrylic PSA
    Autorzy:
    Czech, Z.
    Sowa, D
    Ragańska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/411993.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    copolymerizable photoinitiators
    UV-crosslinking
    pressure-sensitive adhesive (PSA)
    acrylics
    tack
    peel adhesion
    shear strength
    Opis:
    This article presents a new class of copolymerizable photoinitiators containing vinyloxycarbonyl groups, known such as organic carbonate or carbamate. Novel copolymerizable photoinitiators have been prepared through the reaction between vinyl chloroformate and hydroxyl groups containing photoreactive derivatives such as benzophenone-, acetophenone-, benzoine-and anthrachinone-derivatives. The main emphasis is given to the influence of this new class of unsaturated photoinitiators on UV-crosslinking process of acrylic pressure-sensitive adhesives (PSA). Moreover, the paper describes the influence of various parameters such as UV-initiated crosslinking time and concentration of unsaturated photoinitiators on relevant PSA properties like tack, peel adhesion and shear strength (cohesion).
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 8, 1; 57-65
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    UV-crosslinkable photoreactive pressure-sensitive adhesives synthesized from butyl acrylate and 4-acryloyloxy benzophenone
    Autorzy:
    Czech, Z.
    Sowa, D.
    Kowalska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/412260.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    butyl acrylate
    4-acryloyloxy benzophenone
    acrylics
    pressure-sensitive adhesives (PSA)
    UV-crosslinking
    peel adhesion
    shear strength
    Opis:
    The manuscript describes synthesized of photoreactive UV-crosslinkable solvent-borne acrylic pressure-sensitive adhesives (PSA) based on butyl acrylate (BA) and copolymerizable photoinitiator 4-acryloyloxy benzophenone (ABP) characterized by molecular mass in the range of 180 000 to 480 000 Dalton. These copolymers were tacky but possessed insufficient cohesive strength after UV-crosslinking to be useful as PSA. They resulted in materials having a balance of cohesive and adhesive characteristics required of good PSA. Some of the parameters affecting the pressure-sensitive adhesive properties of the copolymer are: amount of the 4-acryloyloxy benzophenone, molecular mass of the polymeric components, UV-reactivity and such important properties like tack, peel adhesion and shear strength.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 3; 21-28
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    UV-crosslinkable photoreactive self-adhesive hydrogels based on acrylics
    Autorzy:
    Czech, Z.
    Antosik, A.K.
    Bednarczyk, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/778227.pdf
    Data publikacji:
    2016
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    self-adhesive hydrogels
    acrylics
    UV-crosslinking
    tack
    peel adhesion
    water adsorption
    Opis:
    Hydrogels are a unique class of macromolecular networks that can hold a large fraction of an aqueous solvent within their structure. They are suitable for biomedical area including controlled drug delivery and for technical applications as self-adhesive materials for bonding of wet surfaces. This paper describes photoreactive self-adhesive hydrogels based on acrylics crosslinked using UV radiation. They are prepared in ethyl acetate through radical polymerization of monomers mixture containing 2-ethylhexyl acrylate (2-EHA), butyl acrylate (BA), acrylic acid (AA) and copolymerizable photoinitiator 4-acryloyloxy benzophenone (ABP) at presence of radical starter 2.2’-azobis-diisobutyronitrile AIBN. The synthesized acrylic copolymers were determined by viscosity and GPC analysis and later modified using ethoxylated amines. 4-acryloyloxy benzophenone (ABP) was used as crosslinking monomer. After UV crosslinking the properties of these novel synthesized hydrogels, such as tack, peel adhesion, shears strength, elongation and water adsorption were also studied.
    Źródło:
    Polish Journal of Chemical Technology; 2016, 18, 2; 126-130
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    UV-crosslinkable warm-melt pressure-sensitive adhesives based on acrylics
    Autorzy:
    Czech, Z.
    Butwin, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/778081.pdf
    Data publikacji:
    2010
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    akryl
    klej topliwy
    sieciowanie UV
    rozcieńczalniki reaktywne
    kleje samoprzylepne
    ciepło topnienia
    acrylics
    hot-melts
    UV-crosslinking
    reactive diluents
    pressure-sensitive adhesives
    warm-melts
    Opis:
    The target of this article is to show the preparation of new generation of UV-crosslinkable warm-melt acrylic pressure-sensitive adhesives (PSAs) and the experimental test of their adhesive properties in comparison with typical conventional hot-melts adhesives. New generation of UV-crosslinkable acrylic warm-melts PSAs containing unsaturated photoinitiator, incorporated during polymerization process into polymer chain, and photoreactive diluents added to PSA systems after polymerization allows producing of wide range of selfadhesive materials, such as labels, mounting tapes, masking and splicing tapes, and sign and marking films.
    Źródło:
    Polish Journal of Chemical Technology; 2010, 12, 4; 58-61
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Water-borne pressure-sensitive adhesives acrylics modified using amorphous silica nanoparticles
    Autorzy:
    Czech, Z.
    Maciejewski, Z.
    Kondratowicz-Maciejewska, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/779506.pdf
    Data publikacji:
    2016
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    water-borne pressure-sensitive adhesives
    acrylics
    amorphous silica
    tack
    peel adhesion
    shear strength
    Opis:
    The application of water-borne pressure-sensitive adhesives (PSA) based on acrylics is increasing in a variety of industrial areas. The have been used for manufacturing of double sided and carrier free mounting tapes, splicing tapes, marking and sign films, self-adhesive labels, packaging tapes, protective films and diverse high quality medical materials. Nano-sized inorganic fillers can modify diverse adhesive and self-adhesive coating properties such as tack, peel adhesion, shear strength at 20°C and 70°C, and removability Amorphous synthetic silica nanoparticles in form of water dispersions: Ludox PX-30 (30 wt.% silica stabilizing with counter ion sodium), Ludox PT-40 (40 wt.% silica stabilizing with counter ion sodium), Ludox PT-40AS (40 wt.% silica stabilizing with counter ion ammonium), and Ludox PW-50 (50 wt.% silica stabilizing with counter ion sodium) (from Grace) in concentrations between 1 and 5wt.% were used for modifying of water-born pressure-sensitive adhesive acrylics: Acronal 052, Acronal CR 516 (both BASF) and Plextol D273 (Synthomer) properties. It has been found in this study that the nano-technologically reinforced system containing of Acronal 052 and amorphous silica Ludox PX-30 showed a great enhancement in tack, peel adhesion and shear strength. In this paper we evaluate the performance of Acronal 052 modified with amorphous silica Ludox PX-30.
    Źródło:
    Polish Journal of Chemical Technology; 2016, 18, 4; 124-128
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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