A soft thermoplastic resin composition comprising: 100 parts by weight of a resin component (A) containing 15 to 65 parts by weight of a vinyl chloride resin having a degree of polymerization of 2000 or less, and 35 to 85 parts by weight of a polyhydroxyalkanoate; and 0.1 to 8 parts by weight of a resin component (B) which is one or more resins selected from the group consisting of a (meth)acrylate resin and an acrylonitrile-styrene resin, and has a weight average molecular weight, in terms of the polystyrene, of 400,000 or more.

Heat sealable food packaging films, methods for the production thereof, and food packages comprising heat sealable food packaging films are provided. The heat sealable food packaging film includes a humidity-dependent permeable film having a moisture vapor transmission rate that increases with an increase in relative humidity (RH). An outer coating comprises a coating material on at least one surface of the humidity-dependent permeable film. The coating material is selected from a nanoclay dispersed in a poly-vinylidene chloride (PVdC) polymer or a stretchable urethane polymer, a stretchable acrylic polymer, or a combination of stretchable urethane polymer and stretchable acrylic polymer. The coating material may further comprise an anti-blocking agent. The heat sealable food packaging film is biaxially oriented.

A fire-stopping material in a panel for an interior building wall is provided. The fire-stopping material includes a resilient, porous material at least partially impregnated with an intumescent agent.

A method for the treatment of flexible laminar covers is described. One aspect includes selecting a low-quality material with a visible surface. A first layer of a first resin in a liquid state with a weight of a first predetermined value is deposited on the first surface. The resin is dried by applying a heat source to obtain an intermediate laminar semi-finished product, A second layer of a second resin in a liquid state with a weight of a second predetermined value is deposited on an active surface of a laminar support. The resin is dried by applying a heat source. The laminar support is coupled with the laminar semi-finished product so as to face the active surface to obtain a coupled sandwich. The sandwich is calendered by applying predetermined pressure and temperature. The sandwich is heated to a predetermined temperature so as to obtain a laminar finished product.

A fire-stopping material in a panel for an interior building wall is provided. The fire-stopping material includes a resilient, porous material at least partially impregnated with an intumescent agent. A method of providing a service penetration through an internal building wall having fire-stopping material therein.

The present disclosure provides a cholesteric liquid crystal film including a first cholesteric liquid crystal layer having a stripe pattern in which dark portions and bright portions, which are observed with a microscope, are alternately arranged and a second cholesteric liquid crystal layer which is disposed in contact with the first cholesteric liquid crystal layer and has a stripe pattern in which dark portions and bright portions, which are observed with a microscope, are alternately arranged, in which, at an interface between the first cholesteric liquid crystal layer and the second cholesteric liquid crystal layer, the dark portions observed in the second cholesteric liquid crystal layer is connected to the dark portions observed in the first cholesteric liquid crystal layer.