Pressure sensitive macromolecular adhesive polymers and compositions capable of integrating fluoropolymeric properties with a catechol-amine functionality to form an adhesive system that allows bonding between metallic substrates and fluoropolymers are disclosed. Also disclosed are core-shell polymeric particles comprised of a core and a shell comprising a thermoplastic polydopamine polymer that may be prepared as a colloidal suspension and used as a hot-melt pressure sensitive adhesive capable of binding low surface energy materials, such as polyolefins and fluoropolymers, to diverse materials including metals.

A bonding material is described that is well suited to bonding polymer films, such as polyester films, to other substrates. In one embodiment, for instance, the bonding material can be used to bond a polyester film to a polypropylene article. The bonding material generally comprises an adhesive agent combined with a cross-linking agent. The adhesive agent may comprise a carboxylic acid modified polypropylene homopolymer, copolymer or ionomer. In one embodiment, the adhesive agent comprises a polypropylene modified by an unsaturated dicarboxylic acid anhydride. The cross-linking agent, on the other hand, may comprise an oxazoline polymer.

A method of producing a laminate comprising a heat treatment step under a temperature condition of 80-140 C. for 5-120 minutes, wherein the laminate satisfies the following requirements: (1) an adhesive layer (I) with 97-70% by weight of a propylene copolymer (A) and 3-30% by weight of a copolymer (B) having a structural unit derived from butane (100% by weight); (2) the copolymer (A) has a melting point within a specific range and includes less than 1 mol % of structural unit from butane; (3) the copolymer (B) has a melting point within a specific range and includes 1 mol % or more of structural unit from butane; (4) the adhesive layer (I) has a polymer (C) with a structural unit from at least one graft monomer selected unsaturated carboxylic acids and derivatives thereof, and, (5) a substrate layer (II) includes a polyester resin.

A method of producing a laminate comprising a heat treatment step under a temperature condition of 80-140 C. for 5-120 minutes, wherein the laminate satisfies the following requirements: (1) an adhesive layer (I) with 97-70% by weight of a propylene copolymer (A) and 3-30% by weight of a copolymer (B) having a structural unit derived from butane (100% by weight); (2) the copolymer (A) has a melting point within a specific range and includes less than 1 mol % of structural unit from butane; (3) the copolymer (B) has a melting point within a specific range and includes 1 mol % or more of structural unit from butane; (4) the adhesive layer (I) has a polymer (C) with a structural unit from at least one graft monomer selected unsaturated carboxylic acids and derivatives thereof, and, (5) a substrate layer (II) includes a polyester resin.

An adhesive composition, an adhesive film comprising the same, a backplate film comprising the adhesive film, and a plastic organic light emitting display comprising the adhesive film are provided. The adhesive composition includes a (meth)acrylate-based resin, and a polymer having a melting temperature (Tm) of 35 C. or higher, wherein the polymer is a copolymer of a monofunctional polysiloxane and two or more types of monomers.

The instant disclosure provides a thermal-curable adhesive composition and adhesive sheet. The thermal-curable adhesive composition has a rate of change of adhesion ranging from 80% to 98% and defined by the following equation: V=[(V0V1)/V0]100, wherein V is the rate of change of adhesion of the thermal-curable adhesive composition, V0 is the adhesion of the thermal-curable adhesive composition under room temperature, and V1 is the adhesion of the thermal-curable adhesive composition after being heated to a predetermined temperature then cooled to the room temperature.

The present invention provides an adhesive film including a resin having a silsesquioxane in a side chain and a urethane bond in a main chain, together with a method for forming the same. The inventive adhesive film has excellent stretchability and strength, with the film surface having higher adhesion and thinner film thickness.

A curable composition containing a polymerizable compound (A) and a polymerization initiator (B). A half width of a temperature-loss tangent (tan ) graph is 90 C. or higher and 150 C. or lower, where the half width is obtained by measuring a dynamic viscoelasticity of a cured substance of this curable composition under measurement conditions of frequency: 1.0 Hz, mode: tensile mode, measurement temperature range: 50 C. to 200 C., and temperature rising rate: 2 C./min.

Disclosed is an environment-friendly hot-melt composition for a vehicle interior material, the hot-melt composition including: 65 wt % to 85 wt % of an aromatic polyamide; 10 wt % to 30 wt % of an aliphatic polyamide; 1 wt % to 5 wt % of an olefinic elastomer graft-polymerized with maleic anhydride; and 0.1 wt % to 2 wt % of an antioxidant.

A hot-melt adhesive resin film includes a first adhesive layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second adhesive layer, which are laminated in this order, in which the first adhesive layer and the second adhesive layer include an acid-modified polyolefin resin.