The present invention relates to a biodegradable polyester resin, in which the first repeat unit comprising a first diol residue and an aromatic dicarboxylic acid residue and the second repeat unit comprising a second diol residue and an aliphatic dicarboxylic acid residue satisfy a ratio of the number of repeat units in a specific range, and the softness index of the resin satisfies a specific range, and to a process for preparing the same. Since the biodegradable polyester resin can provide a biodegradable polyester sheet or film that can be simultaneously enhanced in productivity, processability, and moldability and is excellent in tensile strength, tear strength, and friction coefficient and excellent in biodegradability and water degradability, it can be utilized in more diverse fields.

Provided is a biodegradable resin composition having a high degradation rate. The biodegradable resin composition is a biodegradable resin composition having water holding properties. The biodegradable resin composition preferably contains a biodegradable resin and is preferably capable of holding 0.007 g or more and 15.0 g or less of water relative to 1 g of the biodegradable resin. The biodegradable resin composition preferably contains a seaweed-derived polysaccharide as a hydrolysis accelerator that improves the water holding properties and accelerates hydrolysis of the biodegradable resin. The seaweed-derived polysaccharide is preferably, for example, fucoidan, laminarin, alginic acid, or an alginate. The biodegradable resin composition preferably contains a photocatalytically active substance that degrades the biodegradable resin.

A method for producing bioplastic granules includes the steps of subjecting an olive pit waste (prina) from olive oil factories to two different chemical shredding processes, extracting a necessary material for a bioplastic production from a shredded olive pit waste and adding natural polymerizer form holders into the necessary material.

A process that removes chlorine or other halogens from plastic mixtures by passing a plastic mixture through an extruder, a mixer, and one or more devolatilization vessels.

Renewably-sourced biodegradable polyolefin packaging, utensils, and containers include a renewably-sourced polyolefin (for example, polyethylene and polypropylene) and a biodegrading agent. The renewably-sourced biodegradable polyolefin packaging is made from plant materials typically by polymerizing olefins that are made from reducing alcohols created by fermenting plant materials. An example of a suitable plant material is sugarcane and its derivatives. The biodegrading agent accelerates the biodegradation of polyolefin packaging even in anaerobic and dark (i.e., absent of ultraviolet light) environments. Such a packaging is particularly useful for packaging frozen food that is to be microwaved in the packaging. The package is also particularly usable as packaging for frozen comestibles, which are often stored at dry-ice temperatures. Ultimately, the renewably-sourced biodegradable polyolefin packaging provides a start-to-finish green packaging that meets the requirements of being renewably sourced, biodegradable in landfills, and having similar performance as traditional polyolefin packaging.

The present invention relates to a masterbatch composition comprising high concentration of biological entities having a polymer-degrading activity and uses thereof for manufacturing biodegradable plastic articles.

A biocomposite of algae and a plant material is provided. The biocomposite of algae comprises glycerol and a plant material including at least one of Abelmoschus esculentus (Okra), and Lepidium sativum (Cress). The biocomposite may optionally include a plasticizer. The algae may be green marine algae (Codium sp). The biocomposite is biodegradable and moldable into any suitable shape. Thus, the biocomposite may be used to form containers, such as for potting plants or seedlings, as a mulching or fertilizing material, or for any applications where a moldable, biodegradable material is desired.

An eco-friendly biodegradable polyester resin composition includes: a polyester resin including a diol, an aromatic dicarboxylic acid and an aliphatic dicarboxylic acid; and 5000 ppm to 20000 ppm of a hydrophilic regulator having a molecular weight of 400 to 1300.

The invention provides a process to orient a high molecular weight polymer film, formed from molten, dispersed or dissolved state, characterised in that as a start of this orientation process the film becomes embossed in a pattern of closely spaced dots or thin short lines, 5 thereby becoming oriented within these embossments, whereafter the orientation process is continued in one or more steps by m.d. stretching, t.d. stretching, or combined m.d. and t.d. stretching, whereby the embossed and oriented dots or lines gradually grow and develop until essentially the entire film has become oriented.

This document discloses a process for manufacturing recyclable injection molded microcellular foams for use in, footwear components, seating components, protective gear components, and watersport accessories, The process includes the steps of providing a thermoplastic polymer which comprises at least one monomer derived from depolymerized postconsumer plastic, inserting a fluid into a barrel of a molding apparatus. The fluid is introduced under temperature and pressure conditions to produce a super critical fluid. The process further includes mixing the thermoplastic polymer and super critical fluid so as to create a single phase solution, and injecting the single phase solution into a mold of an injection molding machine under gas counter pressure. The process further includes foaming the single phase solution by controlling the head and temperature conditions within the mold.