Provided is a method of producing a film by cryogenically grinding polypropiolactone to form a powder, and extruding the powder to form the film. Provided herein are also polypropiolactone films having certain biocontent and compostability, as well as certain mechanical and physical properties. Such films may also be suitable for use as packaging materials.

This invention relates to the flexible packaging, either as sheet, roll, bag, sachet, or other forms, which is biodegradable and edible, and could be used as packaging for solid, semisolid, and liquid, which is featured by the composition of biopolymers, at least two of different natural and renewable biopolymers, and the manufacturing method thereof.

A method for producing a stabilized lignin fiber from softwood alkaline lignin by heat treatment in the absence of oxidant is disclosed. The stabilized lignin fiber can be further treated to obtain carbon fiber.

The present disclosure is directed to recyclable lined molded fiber articles (e.g., bowls) that provide the necessary performance characteristics for storing frozen and refrigerated foods (acceptable oil resistance, water resistance, and water vapor barrier). The disclosed articles and methods for manufacturing such articles include bonding a thermoformable cellulose-based acetate film to a molded bagasse fiber article to form an impervious liner.

Anthropogenic derivatives of native lignin are disclosed, having specific viscoelastic metrics which selectively facilitate the processing of these lignin derivatives into particular finished products. Such lignin derivatives are characterized by rheological metrics that include minimum storage modulus (G′.sub.min), onset of softening temperature (T.sub.1), and/or cross-over temperature (T.sub.2) from predominately viscous to predominately elastic behaviour.

The present invention relates to a template for a positioning, fixation, mobilization or immobilization device, wherein the template comprises a sheet of a thermoplastic material, wherein the thermoplastic material comprises between 3.0 and 95.0 wt. % of a poly--caprolactone polymer, preferably a poly--caprolactone homopolymer, and at least 5.0 wt. % of at least one second polymer material with a melting temperature of between 40 and 85 C., wherein the at least one second polymer material is selected from the group of one or more of a polyalkenamer or a thermoplastic linear polyurethane which contains as a polyol a poly -caprolactone or a polyester polyol, wherein the poly--caprolactone polymer and the second thermoplastic material are cross-linked.

The pipe structure according to the present invention includes: a fiber-reinforced plastic pipe 5; moisture-proof foils 11, 12 which individually cover an outer circumferential surface of the pipe 5 and an inner circumferential surface thereof; and an intermediate part 4 which is made of metal and fitted to an end of the pipe 5, wherein end portions of the moisture-proof foils 11, 12 are tightly sandwiched between the pipe 5 and the intermediate part 4. This configuration reliably prevents an FRP pipe from absorbing moisture, and thus, prevents the FRP pipe from shrinking due to moisture exhaustion in outer space, whereby it is possible to obtain the pipe structure having excellent dimensional stability.

Provided is a method of producing a film by cryogenically grinding polypropiolactone to form a powder, and extruding the powder to form the film. Provided herein are also polypropiolactone films having certain biocontent and compostability, as well as certain mechanical and physical properties. Such films may also be suitable for use as packaging materials.

Flares with consumable weights connected to a forward end of the grain of the flare are disclosed. Also disclosed are consumable weight components for flares. The consumable weight components include a metal material within a matrix. Also disclosed are methods for fabricating a flare and methods for using a flare. Use of the consumable weights in the flares may reduce the amount of debris falling to ground.

The present invention relates to a method for manufacturing shoes that includes: (a) preparing a midsole material and performing a multi-functional treatment by irradiation of a defined amount of UV energy to provide adhesive-friendly properties; (b) molding the midsole material from the UV irradiation step to form a midsole having a defined shape; (c) preparing a multi-functional adhesive primer used to provide stable adhesive strength for the molded midsole and secure surface modification and adequate applicability of the midsole material; (d) applying the multi-functional adhesive primer to the molded midsole; (e) irradiating UV radiation to the midsole coated with the multi-functional adhesive primer to perform a curing; and (f) bonding an outsole, an upper, and other shoe parts to the midsole from the step (e) to complete a shoe. Unlike the conventional method for manufacturing shoes, the present invention enables to skip the steps of washing and using an additional primer for midsole to reduce the process, enhance the adhesion and increase productivity.