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1
Content available remote Polyurethane pressure-sensitive adhesives as raw materials for the manufacturing of protective films
100%
Łągiewczyk M. , Czech Z.
Polish Journal of Chemical Technology
|
2011
|
tom 13
|
nr 1
47-50
EN
The present paper relates to water-borne polyurethane pressure-sensitive adhesives (PU-PSA) systems for self-adhesive protective films, and methods of their preparation. The typical protective films are self-adhesive films with excellent removability. Their manufacture is a film conversion process using common materials developed for the packaging industry (PVC and polyolefins). The most often used carrier for the constructions of protective films is PE. Polyurethane PSA layers are characterized by constant low peel adhesion between 3 and 5 N/2,5 cm.
2
Content available Acrylic Pressure-Sensitive Adhesives Containing SiO2 Nanoparticles
88%
Czech Z. , Kowalczyk A. , Ortyl J. , Świderska J.
Polish Journal of Chemical Technology
|
2013
|
tom Vol. 15, nr 1
12-14
EN
The use of acrylic pressure-sensitive adhesives (PSAs) is increasing in a variety of industrial fi elds. They have been applied in the manufacture of mounting tapes, self-adhesive labels, protective fi lms, mas king tapes, splicing tapes, carrier-free tapes, sign and marking fi lms, and in diverse medical products, such as pads or self-adhesive bioelectrodes. In this study, the application of SiO2 nanoparticles in acrylic PSA was investigated. The properties of the newly synthesized and modifi ed PSA were evaluated via the tack, peel adhesion, shear-strength and shrinkage. It has been found that the nanotechnologically-reinforced systems consisting of monodisperse non-agglomerated SiO2 nanoparticles and self-crosslinked acrylic PSAs showed a great enhancement in tack, peel adhesion, shear resistance and shrinkage, without showing the disadvantages known to result from the use of other inorganic additives. In this paper we evaluate the performance of SiO2 nanoparticles with a size of about 30 nm as inorganic fi ller into the synthesized solvent-borne acrylic PSA.
3
Content available remote Acrylic Pressure-Sensitive Adhesives Containing SiO2Nanoparticles
75%
Czech Z. , Kowalczyk A. , Ortyl J. , Świderska J.
Polish Journal of Chemical Technology
|
2013
|
tom 15
|
nr 1
12-14
EN
The use of acrylic pressure-sensitive adhesives (PSAs) is increasing in a variety of industrial fields. They have been applied in the manufacture of mounting tapes, self-adhesive labels, protective films, masking tapes, splicing tapes, carrier-free tapes, sign and marking films, and in diverse medical products, such as pads or self-adhesive bioelectrodes. In this study, the application of SiO2 nanoparticles in acrylic PSA was investigated. The properties of the newly synthesized and modified PSA were evaluated via the tack, peel adhesion, shear-strength and shrinkage. It has been found that the nanotechnologically-reinforced systems consisting of monodisperse non-agglomerated SiO2 nanoparticles and self-crosslinked acrylic PSAs showed a great enhancement in tack, peel adhesion, shear resistance and shrinkage, without showing the disadvantages known to result from the use of other inorganic additives. In this paper we evaluate the performance of SiO2 nanoparticles with a size of about 30 nm as inorganic filler into the synthesized solvent-borne acrylic PSA.
4
Content available Water-borne pressure-sensitive adhesives acrylics modified using amorphous silica nanoparticles
75%
Czech Z. , Maciejewski Z. , Kondratowicz-Maciejewska K.
Polish Journal of Chemical Technology
|
2016
|
tom Vol. 18, nr 4
124--128
EN
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.
5
Content available UV-crosslinkable photoreactive self-adhesive hydrogels based on acrylics
75%
Czech Z. , Antosik A. K. , Bednarczyk P.
Polish Journal of Chemical Technology
|
2016
|
tom Vol. 18, nr 2
126--130
EN
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.
6
Content available remote Influence of the unsaturated photoinitiators kind on the properties of uv-crosslinkable acrylic pressure-sensitive adhesives
75%
Czech Z. , Kowalczyk A. , Górka K. , Głuch U. , Shao L. , Świderska J.
Polish Journal of Chemical Technology
|
2012
|
tom 14
|
nr 3
83-87
EN
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.
7
Content available Influence of the unsaturated photoinitiators kind on the properties of uv-crosslinkable acrylic pressure-sensitive adhesives
75%
Czech Z. , Kowalczyk A. , Górka K. , Głuch U. , Shao L. , Świderska J.
Polish Journal of Chemical Technology
|
2012
|
tom Vol. 14, nr 3
83-87
EN
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.
8
Content available UV-crosslinkable photoreactive pressure-sensitive adhesives synthesized from butyl acrylate and 4-acryloyloxy benzophenone
75%
Czech Z. , Sowa D. , Kowalska J.
International Letters of Chemistry, Physics and Astronomy
|
2013
|
tom Vol. 3
21-28
EN
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.
9
Content available New copolymerizable photoinitiators for radiation curing of acrylic PSA
75%
Czech Z. , Sowa D. , Ragańska P.
International Letters of Chemistry, Physics and Astronomy
|
2013
|
tom Vol. 8, iss. 1
57--65
EN
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).
10
Content available Adhesion measurement of pressure-sensitive adhesives
63%
Czech Z. , Sowa D. , Kowalczyk A. , Świderska J.
Aparatura Badawcza i Dydaktyczna
|
2012
|
tom T. 17, nr 2
7-11
EN
The term pressure-sensitive adhesive (PSA) has a very precise technical definition and was dealt with extensively in the chemical literature. Pressure-sensitive adhesives (PSA) are nonmetallic materials used to bond other materials, mainly on their surfaces through adhesion and cohesion [1]. Adhesion and cohesion are phenomena, which may be described thermodynamically and chemically, but actually they cannot be measured precisely. It was shown [2] that the most important bonding processes are bonding by adhesion and bonding with pressure-sensitive adhesives. A theoretical treatment of adhesion in terms of intermolecular interaction is not just confined to bond energies; other important factors are the number of contact points of the interacting atoms or molecules, intermolecular distances, the mobility of atomic groups and the structure of neighboring matter. Adhesion on the area of PSA is described by mechanical interlocking, adsorption or thermodynamic theory, electrostatic theory, chemical bonding theory, diffusion theory, adhesive effect of thin liquid films and theory of weak boundary layers. Adhesion of PSA plays the significant role by the application of self-adhesive materials in different industry branches [3].
PL
Pojęcie klej samoprzylepny jest bardzo precyzyjnie zdefiniowane i obszernie opisane w fachowej literaturze chemicznej. Kleje samoprzylepne to niemetaliczne materiały, służące do łączenia powierzchni różnorodnych materiałów poprzez adhezję oraz kohezję [1]. Adhezja oraz kohezja są zjawiskami, które można stosunkowo dokładnie opisać za pomocą termodynamiki oraz znanych reakcji chemicznych, lecz ich pomiar nie pozwala na daleko idącą precyzję. Udowodniono, że najważniejszymi procesami, prowadzącymi do bardzo trwałych połączeń, są połączenia związane z adhezją klejów samoprzylepnych [2]. Teoretyczne podstawy wielu teorii adhezji w połączeniu z oddziaływaniami energetycznymi są bardzo ważne, ale najważniejszymi parametrami zjawiska adhezji są: wielkość sklejanej powierzchni, odległość intermolekularna sklejanych powierzchni, ruchliwość, polarność oraz reaktywność grup funkcyjnych kleju samoprzylepnego. Adhezja klejów samoprzylepnych jest wyjaśniana i opisywana poprzez adhezję mechaniczną, adsorpcję, zależności termodynamiczne, teorię elektrostatyczną, teorię wiązań chemicznych, dyfuzję, teorię cienkich warstw granicznych oraz zwilżalność sklejanych powierzchni przez warstwę polimeru o właściwościach samoprzylepnych [3].
11
Content available remote Water-borne pressure-sensitive adhesives based on polyurethanes
63%
Czech Z. , Kowalczyk A. , Sowa D.
Elastomery
|
2012
|
tom T. 16, nr 3
9-14
EN
The technology ofwater-borne pressure-sensitwe adheswes (PSA) based on polyurethanes has been de-yeloped. The new synthesizedpolyurethane PSAs arę synthesized usingpolyols, hydroxylated polybuta-diene, carboxylic containing hydroxyl groups and aliphatic, aromatic or cycloaliphatic isocyanates. They arę appliedfor manufacturing ofdwerse self-adhesive products, such as: mounting tapes, splicing tapes, sign and marking films, labels and protecting films.
PL
Opracowano technologię syntezy wodnych dyspersyjnych klejów samoprzylepnych na podstawie poliuretanów. Nowe samoprzylepne kleje poliuretanowe otrzymywane są przez poliaddycję mieszanin komponentów zawierających poliole, hydroksylowany polibutadien, hydroksylowany kwas karboksylowy oraz alifatyczne, aromatyczne lub cykloalifatyczne diizocyjaniany.
12
Content available Polyurethane pressure-sensitive adhesives as raw materials for the manufacturing of protective films
63%
Łągiewczyk M. , Czech Z.
Polish Journal of Chemical Technology
|
2011
|
tom Vol. 13, nr 1
47-50
EN
The present paper relates to water-borne polyurethane pressure-sensitive adhesives (PU-PSA) systems for self-adhesive protective films, and methods of their preparation. The typical protective films are self-adhesive films with excellent removability. Their manufacture is a film conversion process using common materials developed for the packaging industry (PVC and polyolefins). The most often used carrier for the constructions of protective films is PE. Polyurethane PSA layers are characterized by constant low peel adhesion between 3 and 5 N/2,5 cm.
13
Content available remote Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives
63%
Czech Z. , Butwin A.
Polish Journal of Chemical Technology
|
2009
|
tom 11
|
nr 3
1-4
EN
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.
14
Content available remote Ultraviolet and thermally initiated crosslinking of solvent-free acrylic PSA
51%
Czech Z. , Malec A.
Polish Journal of Chemical Technology
|
2006
|
tom Vol. 8, nr 2
5-8
EN
Ultraviolet technology is well established in the word industry and allows the production of a wide range of various UV curable solvent-free pressure-sensitive adhesives (PSAs) with interesting performances. Industrial applications of UV curable solvent-free acrylic PSAs (UV-PSAs) have grown tremendously over the last 15 years. The balance between adhesive and cohesive performances within the crosslinked layers is critical for the performance of the UV-PSAs. The combination of ultraviolet and thermal crosslinking enables the manufacturing of self-adhesive products based on solvent-free acrylic PSA films having different adhesion/cohesion properties and offers novel opportunities to develop innovative articles with new unique features. UV radiation is used to induce crosslinking of the acrylic PSA formulations containing photoreactive polymers, prepolymers, diluents and conventional or unsaturated novel photoinitiators. This report describes a new generation of UV curable acrylic PSA containing the dual crosslinking system that uses UV and thermally initiated crosslinking. These solvent-free acrylic PSA are characterized by excellent adhesiveness and cohesiveness.
15
Content available Butyl acrylate/4-acryloyloxy benzophenone copolymers as photoreactive UV-crosslinkable pressure-sensitive adhesives
51%
Czech Z. , Butwin A.
Polish Journal of Chemical Technology
|
2009
|
tom Vol. 11, nr 3
1-4
EN
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.
16
Content available remote Influence of unsaturated benzophenone photoinitiators on acrylic PSA performance
51%
Czech Z. , Kowalska J. , Rogańska J. , Antosik A. K.
Elastomery
|
2014
|
tom T. 18, nr 2
17--22
EN
In the following study, the synthesis and characterization of UV-crosslinkable solvent-based acrylic pressure-sensitive adhesives (PSA) were presented. Different amounts of unsaturated copolymerizable photo-initiators based on substituted benzophenone were incorporated into acrylic PSAs synthesized in ethyl acetate and based on butyl acrylate and acrylic acid. Molecular weight measurements referring to Mw -weight average molecular weight, Mn - number average molecular weight and Pd - polydispersity of the synthesized adhesives were conducted. The synthesized photoreactive acrylic PSA were coated on polyester carrier, dried at 110°C in drying canal and subsequently crosslinked under UV lamp emited UV radiation in the area between 200 and 400 nm. The resulted photoreactive UV-crosslinkable acrylic PSA are characterized by good tack, good adhesion and excellent cohesion.
PL
W niniejszej publikacji omówiono syntezę oraz właściwości sieciowanych promieniowaniem UV rozpuszczalnikowych poliakrylanowych klejów samoprzylepnych. Poliakrylanowe kleje samoprzylepne otrzymano w wyniku rodnikowej polimeryzacji w octanie etylu mieszaniny monomerów: akrylanu butylu, kwasu akrylowego oraz nienasyconych fotoinicjatorów na bazie benzofenonu. Zsyntetyzowane kleje różniły się ciężarem cząsteczkowym oraz polidyspersyjnością. Otrzymane fotoreaktywne kleje rozpuszczalnikowe powlekano na folii poliestrowej, suszono w kanale suszącym 10 min w temperaturze 110°C, a następnie sieciowano pod lampą UV emitującą promieniowanie w obszarze 200-400 nm. Usieciowane poliakrylanowe kleje samoprzylepne charakteryzowały się dobrą kleistością, dobrą adhezją oraz bardzo wysoką kohezją.
17
Content available remote Self-adhesive transfer hydrogel tapes crosslinked by the use of UV radiation
51%
Czech Z. , Sowa D. , Kowalska J. , Ragańska P. , Tyliszczak B.
Elastomery
|
2013
|
tom T. 17, nr 4
24--29
EN
Self-adhesive transfer tapes in form of polymer films crosslinked using UV radiation based on acrylics are prepared in ethyl acetate through radical polymerization of monomers mixture containing butyl acrylate (BA), acrylic acid (AA) and unsaturated photoinitiator 4-acryloyloxy benzophenone (ABP) at presence of radical starter AIBN. The acrylic copolymers were determined by viscosity and GPC analysis and later modified using ethoxylated amines. As crosslinking monomer was used 4-acryloyloxy benzophenone (ABP). After UV-initiated crosslinking the properties of these newly synthesized hydrogels, such as tack, peel adhesion, shears strength, elongation and swelling phenomena (water absorption) were also studied.
PL
Samoprzylepne taśmy transferowe w formie usieciowanych promieniowaniem UV polimerowych filmów na podstawie poliakrylanów uzyskano metodą rozpuszczalnikowej polimeryzacji rodnikowej mieszaniny monomerów zawierającej akrylan butylu (BA), kwas akrylowy (AA) oraz nienasycony fotoinicjator 4-akryloilooksybenzofenon (ABP) w obecności rodnikowego inicjatora AIBN. Otrzymane kopolimery akrylanowe zbadano pod kątem lepkości oraz ciężaru cząsteczkowego, a następnie modyfikowano etoksylowanymi aminami. Jako fotoreaktywny monomer zastosowano 4-akryloilooksybenzofenon (ABP). Po usieciowaniu promieniowaniem UV samoprzylepne filmy hydrożelowe zbadano na tack (lepność), adhezję, kohezję, wydłużenie względne oraz pęcznienie (absorpcję wody).
18
Content available remote Characterization of the crosslinking process of silicone pressure-sensitive adhesives
51%
Czech Z. , Gorący K.
Polimery
|
2005
|
tom T. 50, nr 10
762-764
EN
The process of thermal crosslinking of silicone pressure-sensitive adhesives, catalyzed with dichlorobenzoyl peroxide, was investigated using DSC method. Crosslinking temperature as well as energy evolved during crosslinking process were measured. Peel adhesion and shear strength of thermally crosslinked silicone pressure-sensitive adhesives dependently on crosslinking agent concentration were determined. IR investigations confirmed the course of crosslinking reaction via formation of chemical bonds between methyl groups of silicone pressure-sensitive adhesive.
PL
Metodą DSC zbadano proces sieciowania termicznego silikonowych klejów samoprzylepnych katalizowanego za pomocą nadtlenku dichlorobenzoilu. Zmierzono temperaturę sieciowania jak również ilość energii wydzielającej się wskutek procesu sieciowania (rys. 1 i 2). Wyznaczono adhezję oraz wytrzymałość na ścinanie usieciowanych termicznie silikonowych warstw samoprzylepnych w zależności od stężenia środka sieciującego. Za pomocą badań w podczerwieni potwierdzono przebieg reakcji sieciowania poprzez powstanie wiązań chemicznych pomiędzy grupami metylowymi samoprzylepnego kleju silikonowego.
19
Content available remote Termiczne sieciowanie samoprzylepnych klejów silikonowych nadtlenkami organicznymi
51%
Antosik A. K. , Ragańska P. , Czech Z.
Polimery
|
2014
|
tom T. 59, nr 11-12
792--797
PL
Badano wpływ zawartości (0,5—3,0 % mas.) związków sieciujących — nadtlenku benzoilu (BPO) oraz nadtlenku dichlorobenzoilu (DClBPO) — na proces sieciowania wybranych samoprzylepnych klejów silikonowych (Si-PSA). Wszystkie badane samoprzylepne kleje silikonowe charakteryzowały się doskonałą adhezją oraz dużą wartością kohezji. W większości przypadków zwiększenie udziału związków sieciujących wpływało na zwiększenie kohezji i na zmniejszenie adhezji kleju. Stwierdzono, że odpowiedni dobór nadtlenku organicznego pozwala na uzyskanie określonych wartości kohezji i adhezji silikonowych klejów samoprzylepnych.
EN
The effect of the concentration of crosslinking agent [benzoyl peroxide (BPO) and dichlorobenzoyl peroxide (DClBPO), in the range of 0.5 — 3.0 wt. %] on the crosslinking process of the selected silicone pressure-sensitive adhesives (Si-PSA) was investigated. All of the tested silicone adhesives showed excellent peel adhesion and high cohesion. In most cases, an increase in the crosslinking agent concentration resulted in the improved cohesion and reduced peel adhesion of Si-PSA. The specific parameters of the investigated silicone pressure-sensitive adhesives such as cohesion and peel adhesion can be obtained by a suitable selection of organic peroxide additive.
20
Content available remote UV-crosslinkable s-triazine containing acrylic pressure-sensitive adhesives
51%
Czech Z. , Głuch U. , Kowalski A. , Ortyl J.
Elastomery
|
2011
|
tom T. 15, nr 1
3-8
EN
The present report is related to synthesis of UV-crosslinkable acrylic pressure-sensitive adhesives (PSA) by solvent-borne polymerization. New synthesized photoreactive acrylic PSA have been tested according main properties of self-adhesives such as tack, peel adhesion and shear strength.
PL
Przedstawiony artykuł opisuje syntezę sieciowalnych promieniowaniem UV poliakrylanowych klejów samoprzylepnych zawierających s-triazyny. Otrzymane w wyniku syntezy nowe fotoreaktywne poliakrylanowe kleje samoprzylepne zostały zbadane pod kątem swoich podstawowych właściwości, jak Iepność (tack), adhezja oraz kohezja.
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