A decorative film for a vehicle exterior of an embodiment of the present disclosure includes a resin layer and an adhesive layer, wherein tearing strength of the resin layer is approximately 8.0 N or more at 20° C., the adhesive layer includes a reaction product of a crosslinking agent and a (meth)acrylate polymer obtained from a material containing a monoethylenically unsaturated monomer and an unsaturated monomer containing a carboxyl group, a glass transition temperature of the (meth)acrylate polymer is approximately −58° C. or more and approximately −40° C. or less, and the unsaturated monomer containing a carboxyl group is incorporated by an amount of approximately 3 mass % or more and approximately 10 mass % or less of a total amount of 100 mass % of the monoethylenically unsaturated monomer and the unsaturated monomer containing a carboxyl group is described. The decorative film may be capable of reducing a defect such as lifting p even in exposure to wind, rain, wind pressure and the like.

An objective of the present invention is to provide a hot melt composition which (i) is excellent in adhesion and heat resistance, and (ii) is not transferred to a surface of a substrate when the substrates pre-coated with the hot melt composition are stacked and stored. The present invention relates to a hot melt composition comprising: a hot melt composition comprising: (A) an amorphous poly-α-olefin, (B) a crystalline propylene-based polymer, (C) a tackifier resin, and (D) a Fischer-Tropsch wax, wherein an amount of the Fischer-Tropsch wax (D) based on 100 parts by weight of the total amount of the components (A) to (D) is 1 to 15 parts by weight.

An objective of the present invention is to provide a hot melt composition which (i) is excellent in adhesion and heat resistance, and (ii) is not transferred to a surface of a substrate when the substrates pre-coated with the hot melt composition are stacked and stored. The present invention relates to a hot melt composition comprising: (A) an amorphous poly-α-olefin, (B) a crystalline propylene-based polymer, and (C) a tackifier resin, wherein the amorphous poly-α-olefin (A) comprises (A1) an amorphous poly-α-olefin having a softening point of 150° C. or more.

The present disclosure relates to a (meth)acrylate adhesive composition comprising a (meth)acrylated polymer, a crosslinking agent and a silane copolymer, wherein the silane copolymer comprises 70 to 95 weight parts of an acrylate monomer containing C.sub.1-C.sub.4 alkyl group and 5 to 30 weight parts of a silane represented by the following formula (I):

X—R.sup.1—SiR.sup.2.sub.3-a(OR.sup.3).sub.a  (I)

wherein the weight-average molecular weight of the silane copolymer is ranging from 40,000 to 150,000. The silane copolymer can enhance the initial adhesion strength, rework ability and weather resistance of the (meth)acrylate adhesive composition. Furthermore, the (meth)acrylate adhesive composition can be used in the flexible optical film with a good bending restoring property and adhesion.

A water comprising, two component polyurethane dispersion adhesive comprising an anionic polyester polyurethane resin and a solvent-free liquid aliphatic polyisocyanate cross-linker. The dispersion can be reactivated one or more times for edge bonding a flexible sheet material onto a substrate having a main surface, a peripheral surface and an edge connecting the main surface and the peripheral surface.

A one-component thermosetting epoxy resin adhesive, including a) at least one epoxy resin A of formula (II) ##STR00001##
wherein substituents R′ and R″ independently of one another are H or CH.sub.3 and index s has value of 0-12, fraction of epoxy resin A being from 20-70 wt.-%, based on total weight of one-component thermosetting epoxy resin adhesive; and b) at least one epoxy novolac EN of formula ##STR00002##
where R2= ##STR00003##
or CH.sub.2, R1=H or methyl and z=0-7, fraction of epoxy novolac EN being from 1-8 wt.-% based on total weight of one-component thermosetting epoxy resin adhesive; and c) at least one latent hardener B for epoxy resins; and d) at least one accelerator C for epoxy resins; and e) at least at least one toughness improver D, fraction of toughness improver D being from 5-40 wt.-%, based on total weight of one-component thermosetting epoxy resin adhesive.

The present disclosure provides a two-component polyurethane adhesive composition and a bonding method thereof. The two-component polyurethane adhesive composition includes A) a polyol component, and B) an isocyanate component. The polyol component includes A1) one or more polyether polyols, and the isocyanate component includes B1) a first isocyanate prepolymer, wherein the first isocyanate prepolymer is polymerized from isocyanate and a non-linear chain extender. The two-component polyurethane adhesive composition of the present disclosure has good mechanical properties, in particular, high G modulus and high elongation. The polyol component in the two-component polyurethane adhesive composition has good phase stability, and good miscibility with the isocyanate component. The two-component polyurethane adhesive composition of the present disclosure can be used for the production and manufacture of mechanical parts such as automobile components.

Adhesive tapes suitable for bonding to clearcoat materials and exhibiting a good shear strength and a bond strength compatible with requirements. Methods apply the adhesive tapes onto clearcoat materials. The adhesive tapes comprise a carrier layer and a layer of pressure-sensitive adhesive, arranged on the outside in the structure of the adhesive tape. The layer of pressure-sensitive adhesive comprises: at least one polymer selected from poly(meth)acrylates and polydiene block copolymers, or at least one blend of at least one poly(meth)acrylate and at least one polydiene block copolymer; and a tackifier resin component comprising at least one terpene phenolic resin, wherein the terpene phenolic resin has a softening temperature as determined by the ring-and-ball method according to ASTM E28, of not more than 140° C.

To provide a composite laminate having excellent adhesiveness to a resin material imparted to a metal base material, such as an aluminum, and a method for producing the same, and a metal-resin bonded article using the composite laminate and a method for producing the same. A composite laminate 1 includes a metal base material 2 and one layer or plural layers of a resin coating layer 4 laminated on the metal base material 2, the resin coating layer 4 is laminated on a surface-treated surface of the metal base material 2, and at least one layer of the resin coating layer 4 is formed of a resin composition containing an in situ polymerizable phenoxy resin.

A method is provided for bonding substrates having dissimilar coefficients of thermal expansion, using a thermoset adhesive. The method involves a pre-cure step using radio-frequency energy, followed by a heat-curing step.