The present disclosure discloses a modified hydroxyethyl methyl cellulose for an enhanced ceramic tile adhesive, which is prepared from the following raw materials by mass percent: 54%-94% of hydroxyethyl methyl cellulose, 5%-40% of starch ether, 0.5%-3% of dispersing agent and 0.5%-3% of rheological agent, wherein the hydroxyethyl methyl cellulose is prepared from cellulose powder, granular caustic soda, liquid caustic soda, chloromethane and ethylene oxide. A preparation method includes: (1) weighing the raw materials; (2) mixing the cellulose powder, the granular caustic soda, the liquid caustic soda, the chloromethane and the ethylene oxide, carrying out etherification reaction, and then sequentially carrying out neutralization, washing, centrifugation, drying and crushing to obtain the hydroxyethyl methyl cellulose; and (3) mixing and stirring the hydroxyethyl methyl cellulose, the starch ether, the dispersing agent and the rheological agent to obtain the modified hydroxyethyl methyl cellulose.

The present disclosure discloses a modified hydroxyethyl methyl cellulose for an enhanced ceramic tile adhesive, which is prepared from the following raw materials by mass percent: 54%-94% of hydroxyethyl methyl cellulose, 5%-40% of starch ether, 0.5%-3% of dispersing agent and 0.5%-3% of rheological agent, wherein the hydroxyethyl methyl cellulose is prepared from cellulose powder, granular caustic soda, liquid caustic soda, chloromethane and ethylene oxide. A preparation method includes: (1) weighing the raw materials; (2) mixing the cellulose powder, the granular caustic soda, the liquid caustic soda, the chloromethane and the ethylene oxide, carrying out etherification reaction, and then sequentially carrying out neutralization, washing, centrifugation, drying and crushing to obtain the hydroxyethyl methyl cellulose; and (3) mixing and stirring the hydroxyethyl methyl cellulose, the starch ether, the dispersing agent and the rheological agent to obtain the modified hydroxyethyl methyl cellulose.

There is provided a film-forming composition, including: a first water-soluble cellulose ether (WSCE) having a viscosity at 20° C. of 2.5 to 45 mPa.Math.s, a second WSCE having a viscosity at 20° C. of 6.0 to 50.0 mPa.Math.s, a third WSCE having a viscosity at 20° C. of 4.5 to 15.0 mPa.Math.s, each viscosity being determined in a 2% by mass aqueous solution, and a solvent, wherein the first WSCE is selected from four members of hydroxypropyl methyl celluloses Ia and Ib in Group I and hydroxypropyl methyl cellulose IIa and methyl cellulose IIb in Group II, the second WSCE is the same member as that of the first WSCE, provided that the substitution degree(s) of the second WSCE may be the same as or different from that of the first WSCE, and the third WSCE is selected from members in a Group different from the Group of the first WSCE.

The present invention provides: a binder for inorganic fibers, the binder being characterized by containing (B) an ammonia-modified maleic anhydride-containing copolymer at a quantity of 3 parts by mass or more relative to 100 parts by mass of (A) a cellulose ether having a viscosity at 20° C. of 500 mPa.Math.s or less when in the form of a 2 mass % aqueous solution: and an inorganic fiber mat comprising inorganic fibers treated with the binder for inorganic fibers. By using this binder for inorganic fibers, it is possible to produce an inorganic fiber mat having a high recoverability similar to that of a phenol resin, and the amount of volatile organic compounds released from the inorganic fiber mat is extremely low.

The present disclosure relates to a preparation method for a super absorbent polymer film. Specifically, it relates to a preparation method for a new type of super absorbent polymer film, which is thin and exhibits excellent absorption performance. In addition, the super absorbent polymer film of the present disclosure has excellent flexibility and excellent mechanical properties, is free from scattering or leaking, and does not require an auxiliary substance such as pulp, so that products can be made thinner and the manufacturing process and costs may be reduced.

The present invention provides moldable, fully scalable cellulose silica-based hydrogels for use as low-cost and safe carriers and aqueous viscosity modifiers in various industrial and medical applications.

The present invention provides moldable, fully scalable cellulose silica-based hydrogels for use as low-cost and safe carriers and aqueous viscosity modifiers in various industrial and medical applications.

The technology disclosed herein concerns a methodology for modifying properties of raw materials, offer final composites with preselected and unique mechanical properties.

The technology disclosed herein concerns a methodology for modifying properties of raw materials, offer final composites with preselected and unique mechanical properties.

The present invention provides absorbent materials comprising a hydrogel-forming swellable polymer and a plasticizer, wherein the absorbent material demonstrates an advantageous performance characteristic such as advantageous fluid absorption capacity, fluid absorption rate, and rewetting, wherein the advantageous performance characteristic is within at least about 80% of a similar characteristic exhibited by a crosslinked polyacrylate superabsorbent polymer, or wherein the cumulative performance of the advantageous performance characteristics is comparable or superior to performance exhibited by the crosslinked polyacrylate superabsorbent polymer. The present invention also relates to articles of manufacture comprising such absorbent materials, and methods of manufacture.