PL426430A1 - Method of producing self-adhesive construction tapes with increased thermal resistance and a combination of materials, in particular metals, containing self-adhesive construction tape with increased thermal resistance - Google Patents
Method of producing self-adhesive construction tapes with increased thermal resistance and a combination of materials, in particular metals, containing self-adhesive construction tape with increased thermal resistanceInfo
- Publication number
- PL426430A1 PL426430A1 PL426430A PL42643018A PL426430A1 PL 426430 A1 PL426430 A1 PL 426430A1 PL 426430 A PL426430 A PL 426430A PL 42643018 A PL42643018 A PL 42643018A PL 426430 A1 PL426430 A1 PL 426430A1
- Authority
- PL
- Poland
- Prior art keywords
- weight
- thermal resistance
- increased thermal
- telomer
- photoreactive
- Prior art date
Links
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób wytwarzania samoprzylepnych taśm konstrukcyjnych o zwiększonej odporności termicznej. Sposób charakteryzuje się tym, że fotoreaktywny telomer epoksyakrylanowy wytwarza się w reakcji 62 - 89% wagowych estrów alkilowych kwasu akrylowego o długości łańcucha węglowego od 4 do 12 atomów, 0 - 5% wagowych estrów kwasu metakrylowego, 5 ÷ 15% wagowych estrów alkilowych kwasu akrylowego zawierających w łańcuchu bocznym grupę hydroksylową i do 4 atomów węgla, 5 ÷ 15% wagowych estrów alkilowych kwasu (met)akrylowego zawierające grupę epoksydową i 1 ÷ 3% wagowych nienasyconego fotoinicjatora II rodzaju. Udział wagowy wszystkich komponentów fotoreaktywnego telomeru wynosi 100%. Reakcję prowadzi się w środowisku rozcieńczalnika epoksydowego o zawartości 20% wagowych w stosunku do mieszany reakcyjnej i w obecności inicjatora polimeryzacji wolnorodnikowej w ilości 0,5 - 2% wagowych oraz telogenu w ilości 5 - 20% wagowych. Tak otrzymany fotoreaktywny telomer, jako 80% wagowy roztwór w rozcieńczalniku epoksydowym modyfikuje się dodając żywicę epoksydową na bazie bisfenolu A lub bisfenolu F w ilości 100 ÷ 200% wagowych w stosunku do masy telomeru oraz 0,5 ÷ 3,0% wagowych fotoinicjatora I rodzaju, 1 ÷ 5% wagowych fotoreaktywnych monomerów lub oligomerów w postaci trójfunkcyjnych lub wielofunkcyjnych monomerów akrylanowych, 0,5 ÷ 5% wagowych promotorów adhezji lub związków obniżających napięcie powierzchniowe w postaci związków na bazie polimetylosiloksanów, poliakrylanów lub poliestrów, 0,5 ÷ 10% wagowych lub w ilości stechiometrycznej utwardzaczy utajonych w postaci adduktów kwasów Lewisa, pochodnych imidazolu, bezwodnika kwasów karboksylowych, związków fenolowych, cieczy jonowych, dicyjanodiamidu bądź modyfikowanego imidazolami dicyjanodiamidu, 0,5 - 5% wagowych żywicy poliwinylobutyralowej oraz 5 - 20% wagowych napełniacza krzemowego. % wagowe komponentów odnoszą się do sumy mas fotoreaktywnego telomeru, rozcieńczalnika epoksydowego i żywicy epoksydowej. Kompozycję klejową powleka się na nośnik i sieciuje się naświetlając promieniami UV w zakresie 200 ÷ 400 nm. Niniejsze zgłoszenie obejmuje również połączenie materiałów, zwłaszcza metali, zawierające samoprzylepną taśmę konstrukcyjną o podwyższonej odporności termicznej umieszczoną pomiędzy dwoma materiałami.The subject of the application is a method of producing self-adhesive construction tapes with increased thermal resistance. The method is characterized by the fact that the photoreactive epoxyacrylate telomer is produced in the reaction of 62 - 89% by weight of acrylic acid alkyl esters with a carbon chain length of 4 to 12 atoms, 0 - 5% by weight of methacrylic acid esters, 5 ÷ 15% by weight of acrylic acid alkyl esters containing a hydroxyl group in the side chain and up to 4 carbon atoms, 5 ÷ 15% by weight of alkyl esters of (meth) acrylic acid containing an epoxy group and 1 ÷ 3% by weight of an unsaturated type II photoinitiator. The proportion by weight of all the photoreactive telomer components is 100%. The reaction is carried out in an epoxy diluent containing 20% by weight of the reaction mixture and in the presence of a free radical polymerization initiator in an amount of 0.5-2% by weight and telogen in an amount of 5-20% by weight. The thus obtained photoreactive telomer, as an 80% by weight solution in epoxy diluent, is modified by adding epoxy resin based on bisphenol A or bisphenol F in the amount of 100 ÷ 200% by weight in relation to the weight of telomer and 0.5 ÷ 3.0% by weight of the type I photoinitiator. , 1 ÷ 5% by weight of photoreactive monomers or oligomers in the form of trifunctional or multifunctional acrylate monomers, 0.5 ÷ 5% by weight of adhesion promoters or compounds lowering surface tension in the form of compounds based on polymethylsiloxanes, polyacrylates or polyesters, 0.5 ÷ 10% by weight or in the stoichiometric amount of latent hardeners in the form of Lewis acid adducts, imidazole derivatives, carboxylic acid anhydride, phenolic compounds, ionic liquids, dicyandiamide or imidazole-modified dicyandiamide, 0.5 - 5% by weight of polyvinyl butyral resin and 5 - 20% by weight of silicon filler. The% by weight of the components are based on the sum of the weights of the photoreactive telomer, the epoxy diluent and the epoxy resin. The adhesive composition is coated on the carrier and crosslinked by irradiating with UV rays in the range of 200 ÷ 400 nm. The present application also covers a combination of materials, especially metals, containing a self-adhesive construction tape with increased thermal resistance sandwiched between two materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL426430A PL244639B1 (en) | 2018-07-25 | 2018-07-25 | Method of producing self-adhesive construction tapes with increased thermal resistance and a combination of materials, in particular metals, containing self-adhesive construction tape with increased thermal resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL426430A PL244639B1 (en) | 2018-07-25 | 2018-07-25 | Method of producing self-adhesive construction tapes with increased thermal resistance and a combination of materials, in particular metals, containing self-adhesive construction tape with increased thermal resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL426430A1 true PL426430A1 (en) | 2020-01-27 |
| PL244639B1 PL244639B1 (en) | 2024-02-19 |
Family
ID=69184925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL426430A PL244639B1 (en) | 2018-07-25 | 2018-07-25 | Method of producing self-adhesive construction tapes with increased thermal resistance and a combination of materials, in particular metals, containing self-adhesive construction tape with increased thermal resistance |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL244639B1 (en) |
-
2018
- 2018-07-25 PL PL426430A patent/PL244639B1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| PL244639B1 (en) | 2024-02-19 |
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