C08J7/08

Curable resin composition

Disclosed is a curable resin composition that has excellent curability by irradiation of light and heating and that is suitable for such applications as liquid encapsulants, liquid adhesives, adhesives for camera modules, and liquid crystal sealants. The curable resin composition contains (A) an aromatic epoxy resin having an allyl group, (B) a thiol-based curing agent, (C) a photoradical initiator, and (D) a thermally latent curing agent. Preferably, (A) the compound having an allyl group and an epoxy group is an aromatic epoxy resin having an allyl group. Preferably, the thiol-based curing agent, which is component (B), is in liquid form at 25 C.

Biodegradable polymeric substrate and a method of producing the substrate
12247109 · 2025-03-11 ·

The present invention discloses a method of making a non-biodegradable flexible packaging substrate biodegradable. The method comprises the steps of (i) providing a substrate web from an unwind to a coating station (402), (ii) applying thin layer of uniform deposition of a curable coating on at least one surface of the substrate partially or completely by the coating station wherein the external surface of the substrate is essentially coated, (iii) curing the coating applied on the substrate web by a curing unit, and (iv) collecting the coated substrate web in roll at rewind. Further, the thickness of the thin layer of uniform deposition is in the range of 0.01 gsm to 10 gsm.

Multilayer coating for covering vehicle body parts

The present invention relates to a method for manufacturing a multilayer coating for covering vehicle body parts. The method comprises providing a polymeric facestock layer (3) providing a polymeric top coat layer (4), providing a polymeric adhesive layer (2), and sandwiching the polymeric facestock layer (3) between the polymeric top coat layer (4) comprising at least partially cross-linked polyurethane and the polymeric adhesive layer (2) between a polymeric top coat layer (4) and a polymeric adhesive layer (2). The partially cross-linked polyurethane is a reaction product of a composition comprising a first part and a second part, wherein: the first part comprises between 0.1 and 99.9 wt. % of solvent- or waterborne thermally curable polyurethane precursor material, as based on the total weight of said composition; and the second part comprises between 0.1 and 99.9 wt. % of UV-curable polyurethane precursor material, as based on the total weight of said composition.

POLYESTER FILM AND MANUFACTURING METHOD THEREOF

The present invention relates to a transfer polyester film. More particularly, the present invention relates to a transfer polyester film and a method for manufacturing the same, wherein the transfer polyester film has a coating layer with an excellent releasing property so that at the time of forming a hard coating layer in order to impart a surface gloss to an interior product, the transfer polyester film may be attached to a surface of the hard coating layer so as to allow the surface of the hard coating layer to be smoothly formed in a step of coating and curing a hard coating solution and may be removed after completely curing the hard coating layer.

THERMOPLASTIC/THERMOSET GRAFTED COMPOSITES
20170044337 · 2017-02-16 ·

Disclosed are thermoset/thermoplastic composites that include a thermoset component directly or indirectly bonded to a thermoplastic component via a crosslinked binding layer between the two. The crosslinked binding layer is bonded to the thermoplastic component via epoxy linkages and is either directly or indirectly bonded to the thermoset component via epoxy linkages. The composite can be a laminate and can provide a route for addition of a thermoplastic implant to a thermoset structure.

Post electron beam conditioning of polymeric medical devices

Methods are disclosed for conditioning a polymeric stent after sterilization, and/or after crimping and before packaging, such that the properties of the polymeric stent fall within a narrower range of values. The stent is exposed to a controlled temperature at or above ambient for a period of time after radiation sterilization and/or after crimping and before sterilization. As a result, the polymeric stent properties, particularly radial strength and number-average molecular weight of the polymer of the polymeric stent, fall within a narrower range.

METHOD OF PRODUCING A POLYMER PART AND POLYMER PART

A method of producing a polymer part comprising the following steps: (a) incorporating a hydrophobic small molecule into the polymer before, during or after manufacture of the polymer part, the hydrophobic small molecule and the polymer being essentially inert to one another; and (b) annealing the polymer part to induce migration of the hydrophobic small molecules to a surface of the polymer part to provide that surface with a specified degree of hydrophobicity defined by the combination of the polymer and the hydrophobic small molecule; is described. Polymer parts made according to the method are also described.

Polymeric piezoelectric material and process for producing the same

A polymeric piezoelectric material is provided that includes an aliphatic polyester (A) with a weight-average molecular weight of from 50,000 to 1,000,000 and having optical activity, and a stabilizing agent (B) with a weight-average molecular weight of from 200 to 60,000 having at least one kind of functional group selected from the group consisting of a carbodiimide group, an epoxy group and an isocyanate group, wherein the crystallinity of the material obtained by a DSC method is from 20% to 80%, a content of the stabilizing agent (B) is from 0.01 part by mass to 10 parts by mass with respect to 100 parts by mass of the aliphatic polyester (A), and internal haze with respect to visible light is 50% or less, as well as a process for producing the same.

GAS BARRIER FILM AND MANUFACTURING METHOD THEREFOR

The present invention relates to a gas barrier film and a manufacturing method therefor, the gas barrier film comprising: a base; and a barrier layer formed on one surface of the base, wherein the barrier layer has a nitrogen (N) atomic percent of about 1% to about 6%. The gas barrier film, according to the present invention, has an excellent gas barrier property, scratch resistant property, flexibility, transparency and crack prevention effect, and the method for manufacturing the same can be performed by non-vacuum wet coating, and thus a manufacturing time is short, and process performance is excellent.

LAMINATED POLYESTER FILM, LAMINATE, AND METHOD FOR PRODUCING LAMINATED POLYESTER FILM

There are provided a laminated polyester film which is excellent in coating uniformity and adhesiveness of water-based coating, a laminate using the same, and a method for producing a laminated polyester film. The laminated polyester film of the present invention includes an easy-adhesion layer (X) on an outermost surface of at least one side of a polyester base material, in which a ratio (h/d) of hydrogen bonds (h) to a dispersive force (d) in surface free energy of the easy-adhesion layer (X) is 0.250 or less. In addition, the laminated polyester film according to another aspect of the present invention includes an easy-adhesion layer (X) on an outermost surface on at least one side of a polyester base material, in which an advancing angle a of water in the easy-adhesion layer (X) is 75.0 or more and 110.0 or less, and a receding angle r of water is 5.0 or more and 40.0 or less.