Patent classifications
C08J2301/00
Cellulose nanocrystal polymer composite
A reinforced polymer composite includes a polymer matrix and a strengthening agent. The strengthening agent includes highly crystalline cellulose nanocrystals (CNC) and a stabilizing agent. The crystalline cellulose nanocrystals (CNC) have dimensions of about 3 to 5 nm in width and about 100 to 300 nm in length and a density of about 1.6 g/cm.sup.3 and the stabilizing agent may be one of Boehmite nanoclay (Boe) and Cetyltrimethylammonium Bromide (CTAB) or a combination of both.
METHOD FOR PRODUCING A FILM HAVING GOOD BARRIER PROPERTIES
The present invention relates to a method for manufacturing a film having an oxygen transmission rate in the range of from 1 cc/m.sup.2/24 h to 500 cc/m.sup.2/24 h according to ASTM D-3985, at a relative humidity of more than 50% at 25 C., or higher than 75% at 25 C., or higher than 85% at 25 C., wherein the method comprises the steps of: providing a first suspension comprising a microfibrillated cellulose, wherein the dry content of the suspension is in the range of from 0.1 to 10% by weight, adding a wet strength additive to said first suspension, at an amount of from 0.1 to 10 weight-% based on the amount of microfibrillated cellulose (dry/dry), thereby forming a mixture of the microfibrillated cellulose and the wet strength additive, applying said mixture to a substrate to form a fibrous web and drying said web to form said film. The present invention also relates to a film produced according to the method.
Method for producing porous cellulose beads and adsorbent employing same
The objective of the present invention is to provide a method for easily and efficiently producing cellulose beads which have pore shape suitable for an adsorbent and of which adsorption performance is excellent without using highly toxic and highly corrosive auxiliary raw material and without industrially disadvantageous cumbersome step. The method for producing porous cellulose beads according to the present invention is characterized in comprising (a) the step of preparing a fine cellulose dispersion by mixing a low temperature alkaline aqueous solution and cellulose, (b) the step of preparing a mixed liquid by adding a crosslinking agent to the fine cellulose dispersion, (c) the step of preparing an emulsion by dispersing the mixed liquid in a dispersion medium, (d) the step of contacting the emulsion with a coagulating solvent.
Filter cartridge
A filter cartridge includes a radio frequency identification, RFID, tag positioned on a casing. A compressed cellulose foam is positioned over the RFID tag on the casing. An impermeable material is positioned over the cellulose foam on the casing at an outer surface of the casing. The impermeable material defines a passage that extends through the impermeable material to the cellulose foam. The passage is configured such that water is flowable through the passage to the cellulose foam. The compressed cellulose foam is configured for wicking the water from the passage to the RFID tag.
A METHOD OF RECYCLING TEXTILE WASTE CELLULOSE
The present invention provides a method of recycling cellulose for use as a textile fibre feedstock, the method comprising: (i) providing a waste textile feedstock comprising greater than 50 wt % cellulose by weight of the waste textile feedstock; (ii) shredding the waste textile feedstock to provide a shredded waste textile feedstock comprising fibres which have a fibre length of less than 5 mm; (iii) mixing the shredded waste textile feedstock with an aqueous alkali solution having a pH of greater than 11 to produce a first mixture; (iv) filtering the first mixture to obtain an alkali treated shredded waste textile feedstock; (v) mixing the alkali treated shredded waste textile feedstock with an aqueous acid solution having a pH of less than 5 to produce a second mixture; and (vi) filtering the second mixture to obtain cellulose.
BARRIER COATING FOR PAPER AND PAPERBOARD
The present invention relates to an aqueous barrier coating composition comprising: 20-80% by weight of a dissolved first polysaccharide having a first degree of polymerization (DP1) of at least 150, based on the total solids content of the aqueous barrier coating composition; and 20-80% by weight of a dissolved second polysaccharide having a second degree of polymerization (DP2) of 100 or less, based on the total solids content of the aqueous barrier coating composition; wherein the ratio of DP1:DP2 is at least 10:1; and wherein the aqueous barrier coating composition has a total solids content in the range of 10-90% by weight.
PROCESS AND PLANT FOR RECYCLING TEXTILES
A process of treatment of waste blend textiles comprising polyester fibers and cotton fibres depolymerizes polyester in a controlled environment to obtain treated textile comprising cotton staple fibers suitable to be recycled into cotton yarns.
AQUEOUS COATING COMPOSITION
The present invention relates to an aqueous coating composition. The aqueous coating composition comprises (a) a polymer A comprising units derived from an alpha-olefin and one or more comonomers selected from the group of methacrylates, acrylates, methacrylic acid, acrylic acid, maleates, maleic acid, maleic anhydride, and salts thereof; (b) a polymer B comprising units derived from one or more monomers selected from the group of methacrylates, acrylates, methacrylic acid, acrylic acid, maleates, maleic acid, maleic anhydride, and salts thereof; (c) a calcium carbonate-containing material in an amount in the range of 0.1 to below 20 wt. %, based on the total dry weight of the coating composition; and (d) optionally a wax. Furthermore, the invention relates to a process for preparing an aqueous coating composition according to invention, and to a coated article.
MOLD, METHOD FOR FORMING MOLD, AND CASTING METHOD
A mold includes a hydrogel material. The hydrogel material includes a hydrogel and a cross-linked structure. The hydrogel contains a temperature-responsive hydrogel-forming polymer A having a sol-gel transition temperature. The temperature-responsive hydrogel-forming polymer A is solated at a temperature lower than the sol-gel transition temperature and is gelated at a temperature higher than the sol-gel transition temperature. In the cross-linked structure, a cross-linking water-soluble polymer B to reinforce the hydrogel is cross-linked.
Mercapto-modified biocompatible macromolecule derivatives with low degree of mercapto-modification and the cross-linked materials and uses thereof
The present invention discloses a mercapto-modified biocompatible macromolecule derivative with a low degree of modification. The mercapto-modified biocompatible macromolecule derivative not only maintains the initial structure, physiological function and biocompatibility as much as possible, but also allows the preparation of the biocompatible macromolecule cross-linked material with a low degree of cross-linking through the effectively chemical cross-linking with the introduced mercapto group. The present invention further discloses a disulfide-bond cross-linked biocompatible macromolecule material with a very low degree of cross-linking. The disulfide-bond cross-linked biocompatible macromolecule material not only maintains the initial structure, physiological function and biocompatibility of the biocompatible macromolecule as much as possible, but also effectively prolongs turn over and reduces the solubility of the biocompatible macromolecule in vivo, better meeting the requirements of various clinical applications. The present invention further relates to the application of the disulfide-bond cross-linked biocompatible macromolecule material in the field of medicine and pharmacy.