|Title:||Activated poly(hydromethylsiloxane)s as novel adhesion promoters for metallic surfaces|
|Authors :||Hirayama, Martina|
|Published in :||Journal of Adhesion|
|Publisher / Ed. Institution :||Taylor & Francis|
|Language :||Englisch / English|
|Subjects :||Coating; Siloxane; Polymer; Adhesion promotion|
|Subject (DDC) :||540: Chemie|
|Abstract:||A poly(hydromethylsiloxane) (PHMS) was bound to aluminium, copper, and steel surfaces via activation with cis-[PtCl2(PhCH=CH2)2] in solution at room temperature. The attached polymer promotes the adhesion to two-component silicone resins where the curing process is based on catalytic hydrosilylation of olefines. In lap-shear or peel tests, cohesive failure was always observed. An example shows that the adhesive joint withstood boiling water for 200 h without considerable loss of adhesive strength. It is suggested that a small fraction of the olefinic component of the resin, e.g., a poly(dimethylsiloxane) containing some olefinic groups, is also connected with the attached PHMS via catalytic hydrosilylation, thus binding the silicone resin to the surface via the PHMS layer.|
|Departement:||School of Engineering|
|Publication type:||Beitrag in wissenschaftlicher Zeitschrift / Article in scientific Journal|
|Type of review:||Peer review (Publikation)|
|License (according to publishing contract) :||Lizenz gemäss Verlagsvertrag / Licence according to publishing contract|
|Appears in Collections:||Publikationen School of Engineering|
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