A method of making an article comprising injecting an admixture of a cellulosic material and a thermoplastic polymer into a mold cavity with single point of injection, wherein the cellulosic material is present in quantities ranging from about 10 to about 70 percent by weight with respect to the total weight of the admixture, wherein the admixture has about a melt flow rate of about 1 to 30 g/10 min, (2.16 kg; 210° C.), and wherein the article has a length-to-diameter ratio of at least about 5:1.

The system comprises a grinder for crushing and pulverizing waste phenolic polymer material, wood fiber and porous material to form a powder; a homogenizer for mixing waste phenolic polymer material powder uniformly with resin for bonding the powder of the waste phenolic polymer material, wherein resin is added for bonding the powder of the waste phenolic polymer material, the powder of wood fiber and powder of porous material; a mixing chamber for mixing powder of waste phenolic polymer material, wood fiber and porous material uniformly; a pressing device for applying one of the methods of hot pressing, cold pressing, injection by an injection machine, extrusion by an extruder, or foaming of the obtained mixture to form desired solid material; and an analysis unit for determining a physical and mechanical properties of these boards using a series of tests such as compressive, tensile, flexural, thickness swelling, water absorption, and moisture content.

The system comprises a grinder for crushing and pulverizing waste phenolic polymer material, wood fiber and porous material to form a powder; a homogenizer for mixing waste phenolic polymer material powder uniformly with resin for bonding the powder of the waste phenolic polymer material, wherein resin is added for bonding the powder of the waste phenolic polymer material, the powder of wood fiber and powder of porous material; a mixing chamber for mixing powder of waste phenolic polymer material, wood fiber and porous material uniformly; a pressing device for applying one of the methods of hot pressing, cold pressing, injection by an injection machine, extrusion by an extruder, or foaming of the obtained mixture to form desired solid material; and an analysis unit for determining a physical and mechanical properties of these boards using a series of tests such as compressive, tensile, flexural, thickness swelling, water absorption, and moisture content.

The system comprises a grinder for crushing and pulverizing waste phenolic polymer material, wood fiber and porous material to form a powder; a homogenizer for mixing waste phenolic polymer material powder uniformly with resin for bonding the powder of the waste phenolic polymer material, wherein resin is added for bonding the powder of the waste phenolic polymer material, the powder of wood fiber and powder of porous material; a mixing chamber for mixing powder of waste phenolic polymer material, wood fiber and porous material uniformly; a pressing device for applying one of the methods of hot pressing, cold pressing, injection by an injection machine, extrusion by an extruder, or foaming of the obtained mixture to form desired solid material; and an analysis unit for determining a physical and mechanical properties of these boards using a series of tests such as compressive, tensile, flexural, thickness swelling, water absorption, and moisture content.

A building panel including a water resistant core including thermoplastic material and a surface layer including thermosetting resins. Also, production methods to form a board material with a dry blend of thermoplastic particles in powder form and fillers in powder form and to apply a surface layer with a hot-hot lamination process to a core including such board material.

A building panel including a water resistant core including thermoplastic material and a surface layer including thermosetting resins. Also, production methods to form a board material with a dry blend of thermoplastic particles in powder form and fillers in powder form and to apply a surface layer with a hot-hot lamination process to a core including such board material.

A process for preparing polypropylene particles by using recyclable coffee grounds plant fibers includes the following preparation steps: S1) preparing raw materials; S2) processing the raw materials; S3) mixing the raw materials to obtain a mixture; and S4) performing mixing and extrusion granulation on the mixture. The raw materials in S1 include 35-40 parts of coffee grounds powder, 60-80 parts of polypropylene resin, 2-5 parts of compatibilizer, 4-8 parts of toughening agent, 1-3 parts of diffusing agent, 1-3 parts of maleic anhydride, 0.7-1.6 parts of anti-UV agent, 3-6 parts of antioxidant, and 1-2 parts of white oil. The present disclosure adopts coffee grounds for mixing preparation, the discarded coffee grounds can be reused, the prepared polypropylene particles contain fiber components, and the performance of a material is improved.

A process for preparing polypropylene particles by using recyclable coffee grounds plant fibers includes the following preparation steps: S1) preparing raw materials; S2) processing the raw materials; S3) mixing the raw materials to obtain a mixture; and S4) performing mixing and extrusion granulation on the mixture. The raw materials in S1 include 35-40 parts of coffee grounds powder, 60-80 parts of polypropylene resin, 2-5 parts of compatibilizer, 4-8 parts of toughening agent, 1-3 parts of diffusing agent, 1-3 parts of maleic anhydride, 0.7-1.6 parts of anti-UV agent, 3-6 parts of antioxidant, and 1-2 parts of white oil. The present disclosure adopts coffee grounds for mixing preparation, the discarded coffee grounds can be reused, the prepared polypropylene particles contain fiber components, and the performance of a material is improved.

A method of completely dissolving lignocellulosic biomass. The method includes the steps of dissolving a sample of biomass in an aqueous solution of strong acid and an amine-thiol to yield a first solution. A method for measuring lignin concentration in biomass via absorbance of the first solution at a wavelength of about 283 nm by comparing the measured absorbance to a standard curve of absorbance values made from solutions of known lignin concentration.

The present invention provides a chitosan-based composition that can be converted into a self-supporting casted object having good tensile and compressive strength that can also biodegrade at the end of its lifecycle. The composition comprises entirely bio-based or bio-sourced reagents that can be converted to the final product via a polymerization process that does not require the addition of inorganic catalysts, synthetic materials, or otherwise hazardous chemicals to strengthen or modify its water resistance.