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    Wyświetlanie 1-8 z 8
    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:
    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 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:
    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:
    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:
    Influence of the unsaturated photoinitiators kind on the properties of uv-crosslinkable acrylic pressure-sensitive adhesives
    Autorzy:
    Czech, Z.
    Kowalczyk, A.
    Górka, K.
    Głuch, U.
    Shao, L.
    Świderska, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/779106.pdf
    Data publikacji:
    2012
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    pressure-sensitive adhesive
    photoreactive
    UV-crosslinking
    tack
    peel adhesion
    shear strength
    shrinkage
    Opis:
    UV-crossinkable pressure-sensitive adhesives (PSA) materials are called, in the adhesives trade photoreactive self-adhesive. UV-crosslinkable PSAs are designed after the UV-initiated crosslinking reaction to stick to almost any surface by a simple contact under light pressure. This special class of adhesives does not undergo any physical transformation or chemical reaction during the bonding process. Because of the rheological properties the adhesive must be fi nely tuned for the application, combining a carefully chosen polymer architecture and monomer composition with the proper addition of small additives called photoinitiators. The best way is using the unsaturated copolymerizable photoinitiators and their direct incorporation into polymer chain during the polymerization process. Progress in the coating technology and the development of novel photoreactive acrylic adhesives will open the door to new applications and an extended market penetration of UV-crosslinkable acrylic adhesive raw materials containing unsaturated copolymerizable photoinitiators incorporated into the polymer backbone. Photoreactive UV-crosslinkable acrylic PSA are characterized by good tack, good adhesion, excellent cohesion and very low shrinkage.
    Źródło:
    Polish Journal of Chemical Technology; 2012, 14, 3; 83-87
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Copolymerizable photoinitiators based on benzophenones and their influence on shrinkage of photoreactive acrylic PSAs
    Autorzy:
    Czech, Z.
    Kowalczyk, A.
    Sowa, D.
    Kowalska, J
    Ragańska, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/412523.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    copolymerizable benzophenone photoinitiators
    UV-crosslinking
    acrylic
    pressure-sensitive adhesive (PSA)
    shrinkage
    viscosity
    molecular
    mass
    Opis:
    This manuscript describes a novel class of copolymerizable benzophenone photoinitiators and their influence on viscosity and molecular mass of acrylic pressure-sensitive adhesives (PSAs) during radical solvent polymerization and shrinkage of acrylic PSAs coated on PVC film and crosslinked using UV radiation.
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 8, 1; 49-56
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives
    Autorzy:
    Czech, Z.
    Butwin, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/778713.pdf
    Data publikacji:
    2009
    Wydawca:
    Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
    Tematy:
    akrylan butylu
    4-akryloiloksybenzofenon
    kopolimery akrylanowe
    kleje samoprzylepne
    sieciowanie UV
    kleistość
    adhezja
    kohezja
    butyl acrylate
    4-acryloyloxy benzophenone
    acrylic copolymers
    pressure-sensitive adhesives (PSAs)
    UV-crosslinking
    tack
    peel adhesion
    cohesion
    Opis:
    It has previously been shown that copolymers of butyl acrylate with 4-acryloyloxy benzophenone can be used as pressure-sensitive adhesives (PSAs). This paper presents the synthesis and application of a solvent-borne polymer system for the preparation of photoreactive UV-crosslinkable acrylic pressure-sensitive adhesives. Butyl acrylate/benzophenone copolymers with molecular mass in the range 180 000 to 480 000 Dalton were prepared by carrying out free-radical solution polymerization. These copolymers were found to be tacky but in some cases to possess insufficient cohesive strength after UV-crosslinking to be useful as PSAs. The other copolymers resulted in materials with the balance of cohesive and adhesive characteristics required of good PSAs. Some of the parameters affecting the pressure-sensitive adhesive properties of the copolymers are the concentration of 4-acryloyloxy benzophenone, the molecular mass of the polymeric components, the UV-reactivity, and properties such as tack, peel adhesion, and cohesion.
    Źródło:
    Polish Journal of Chemical Technology; 2009, 11, 3; 1-4
    1509-8117
    1899-4741
    Pojawia się w:
    Polish Journal of Chemical Technology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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