A pressure sensitive adhesive article is described comprising a pressure sensitive adhesive in contact with the release layer. The release layer comprises a thermoplastic polymer and a block copolymer additive having the general structure: A[LB]n wherein A is a polyorganosiloxane block, L is a covalent bond or a divalent linking group B is independently a C16-C70 alkyl group, and n is at least 1. In other embodiments, compositions are described comprising a thermoplastic polymer the described block copolymer additive; as well as methods of making a release composition.

A multilayer self-adhesive fouling release coating composition includes an optional removable underlying liner; an adhesive layer applied over and to the optional underlying liner when the latter is present; and a synthetic material layer applied over and to the adhesive layer. Optionally, an intermediate silicone tie coat is applied over and to the synthetic material layer. A silicone fouling release top coat is applied over and to the synthetic material layer, or, when present, over and to the intermediate silicone tie coat. Optionally, a removable polymeric film is applied over and to the fouling release top coat.

A polysiloxane is prepared by hydrosilylation reaction of a polyorganosilicate resin and an SiH terminated polydiorganosiloxane. The polysiloxane acts as a controlled release additive when formulated into a release coating composition. The release coating composition can be coated on a surface of a substrate and cured to form a release liner.

Provided is a silicone adhesive composition having (A) a condensation product of a linear or branched diorganopolysiloxane having a silicon atom-bonded hydroxy group and/or a silicon atom-bonded alkoxy group having 1 to 10 carbon atoms at a terminal and having no alkenyl group, a linear or branched diorganopolysiloxane having at least two alkenyl groups, and an organopolysiloxane comprising an R.sup.1.sub.3SiO.sub.0.5 unit and an SiO.sub.2 unit and having a silicon atom-bonded hydroxy group and/or a silicon atom-bonded alkoxy group having 1 to 6 carbon atoms, (B) an organohydrogenpolysiloxane having at least three SiH groups and an average polymerization degree of 80 or less in an amount of 0.1 to 5 parts by mass, relative to 100 parts by mass of component (A), and (C) a platinum group metal catalyst in a catalytic amount.

Article comprising, in order: a first polymeric film having first and second, opposed major surfaces; a first primer layer having first and second opposed, major surfaces on the first major surface of the first polymeric film, wherein for a distance of at least 25 nm starting from the first major surface of the first 5 primer layer toward the second major surface of the first primer layer there is an average Si content, on a theoretical elemental basis, not greater than 15 atomic percent; and a first release layer having first and second opposed, major surfaces, wherein the second major surface of the first release layer is in direct contact with the first major surface of the first primer layer, wherein the first release layer comprises, on a theoretical elemental basis, Si. Articles described herein are useful, for example, as a release liner for 10 casting pressure sensitive adhesives thereon.

Silicon-based protective film for adhesive or self-adhesive elements, characterized in that said protective film is based on silicone and has a level of extractible silicone less than or equal to 100 ng/cm.sup.2, preferably less than or equal to 50, preferably less than or equal to 20 ng/cm.sup.2, and even more preferably less than 10 ng/cm.sup.2, the method of production thereof and uses thereof.

A curable composition is disclosed. The curable composition comprises: (A) an organopolysiloxane containing at least two silicon-bonded aliphatically unsaturated groups per molecule; (B) an organohydrogensiloxane containing at least two silicon-bonded hydrogen atoms per molecule; (C) a hydrosilylation-reaction catalyst; (D) a hydrosilylation-reaction inhibitor; and (E) a catalyst different from component (C) and capable of deactivating the (D) hydrosilylation-reaction inhibitor at an elevated temperature of from 50 to 120 C such that components (A) and (B) react in the presence of at least component (C) at the elevated temperature. A process of preparing a coated substrate with the curable composition is also disclosed.

An antimicrobial metallized thin film is provided that can be quickly and easily attached to surfaces of objects. This film includes a polymer substrate onto which a metallized layer is formed. The metallized layer comprises an exposed antimicrobial metal physical contact surface. Ions from this physical contact surface destroy the viral coating and ribonucleic acid of contacting viruses rendering the viruses inactive and noninfectious. The film can be attached via an adhesive layer disposed between and in contact with the polymer substrate and the communal surface. This arrangement allows the film to economically refurbish communal surfaces with a film overlay rather than completely replacing communal surfaces with antimicrobial materials. The film mitigates the likelihood of viruses such as coronaviruses, noroviruses, rhinoviruses, and the like from spreading due to contact with the refurbished communal surfaces.

An article and a method of making thereof. The article includes a polymeric film having a first major surface and a second major surface; and a plurality of discrete domains of an inkjet printing ink comprising a low adhesion backsize coating composition deposited on the first major surface of the polymeric film; wherein the low adhesion backsize coating composition has a viscosity between 1 to 30 cp at a printing temperature between 20 to 70 degrees Celsius.

An article and a method of making thereof. The article includes a polymeric film having a first major surface and a second major surface; a first plurality of domains of a first inkjet printing ink comprising a first low adhesion backsize coating composition deposited on the first major surface of the polymeric film; and a second plurality of domains of a second inkjet printing ink comprising a second low adhesion backsize coating composition deposited on the first major surface of the polymeric film; wherein the first and second low adhesion backsize coating composition has a viscosity between 1 to 30 cp at a printing temperature between 20 to 70 degrees Celsius; and wherein at least some of the first plurality of domains overlaps some of the second plurality of domains.