Temat: solvent polymerization - Katalog OPAC zbiorów

Skocz do pozycji: 1.

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

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Skocz do pozycji: 2.

Tytuł:: Oxidative polymerization of lignins by laccase in water-acetone mixture
Autorzy:: Fiţigău, Ionița
Peter, Francisc
Boeriu, Carmen
Powiązania:: https://bibliotekanauki.pl/articles/1039496.pdf
Data publikacji:: 2013
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: lignin
organic solvent
laccase
enzymatic polymerization
Opis:: The enzymatic oxidative polymerization of five technical lignins with different molecular properties, i.e. Soda Grass/Wheat straw Lignin, Organosolv Hardwood Lignin, Soda Wheat straw Lignin, Alkali pretreated Wheat straw Lignin, and Kraft Softwood was studied. All lignins were previously fractionated by acetone/water 50:50 (v/v) and the laccase-catalyzed polymerization of the low molecular weight fractions (Mw < 4000 g/mol) was carried out in the same solvent system. Reactivity of lignin substrates in laccase-catalyzed reactions was determined by monitoring the oxygen consumption. The oxidation reactions in 50% acetone in water mixture proceed with high rate for all tested lignins. Polymerization products were analyzed by size exclusion chromatography, FT-IR, and 31P-NMR and evidence of important lignin modifications after incubation with laccase. Lignin polymers with higher molecular weight (Mw up to 17500 g/mol) were obtained. The obtained polymers have potential for applications in bioplastics, adhesives and as polymeric dispersants.
Źródło:: Acta Biochimica Polonica; 2013, 60, 4; 817-822
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Synthesis of photoreactive solvent-free acrylic pressure-sensitive adhesives in the recovered system
Autorzy:: Milker, R.
Czech, Z.
Wesołowska, M.
Powiązania:: https://bibliotekanauki.pl/articles/779928.pdf
Data publikacji:: 2007
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: polimeryzacja
fotoinicjator nienasycony
rozpuszczalnik organiczny
poliakrylanowe kleje samoprzylepne
kleje poliakrylanowe
kleje samoprzylepne
oddestylowanie rozpuszczalnika
polymerization
unsaturated photoinitiator
organic solvent
acrylic PSA
devolatilizing of solvent
Opis:: The present paper discloses a novel photoreactive solvent-free acrylic pressure-sensitive adhesive (PSA) systems, especially suitable for the so much adhesive film applications as the double-sided, single-sided or carrier-free technical tapes, self-adhesive labels, protective films, marking and sign films and wide range of medical products. The novel photoreactive solvent-free pressure-sensitive adhesives contain no volatile organic compounds (residue monomers or organic solvent) and comply with the environment and legislation. The synthesis of this new type of acrylic PSA is conducted in common practice by solvent polymerisation. After the organic solvent are removed, there remains a non-volatile, solvent-free highly viscous material, which can be processed on a hot-melt coating machine at the temperatures of about 100 to 140°C.
Źródło:: Polish Journal of Chemical Technology; 2007, 9, 2; 5-9
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Thermal degradation of poly(alkyl methacrylates) and polyurethane pressure-sensitive adhesives
Autorzy:: Zych, K.
Pełech, R.
Czech, Z.
Powiązania:: https://bibliotekanauki.pl/articles/778075.pdf
Data publikacji:: 2010
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: chromatografia
poli(akrylany alkilowe
poliuretany
rozpuszczalnik polimeryzacji
degradacja termiczna
piroliza
chromatography
poly(alkyl acrylates)
polyurethanes
solvent polymerization
thermal degradation
pyrolysis
Opis:: Gas chromatography, coupled with the temperature controlled pyrolysis technique, can be used as a quick method of identification of polymers such as acrylates, methacrylates and polyurethanes. Polymers based on alkyl methacrylates are widely used as construction materials and coatings. Polyurethanes are widely used as self-adhesives, sealants and electrical products (due to polyurethane's low glass transition temperature Tg). The aim of this work is to investigate which products can be obtained from polymethacrylates and polyurethanes.
Źródło:: Polish Journal of Chemical Technology; 2010, 12, 4; 40-43
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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