C08L1/08

Use of molar mass controlled cellulose

According to an example aspect of the present invention, there is provided a use of molar mass controlled cellulose in injection molding, extrusion and three dimensional printing applications.

Cellulose resin composition, molded body and product using same, and a method for producing cellulose resin composition

A cellulose resin composition comprising a cellulose derivative (A) and a lubricant (B), wherein the cellulose derivative (A) is a cellulose derivative obtained by substituting at least a part of hydrogen atoms of hydroxyl groups of a cellulose with a short-chain organic group having 2 to 4 carbon atoms and a long-chain organic group having 8 to 30 carbon atoms with specific degrees of substitution; the lubricant (B) is at least one selected from the group consisting of a urea compound (B1) having a urea group (—NH—C(═O)—NH—) and an acyclic aliphatic group having 6 to 33 carbon atoms, an amide compound (B2) having an amide group (—C(═O)—NH—) and an acyclic aliphatic group having 6 to 33 carbon atoms, a fatty acid metal salt (B3), and a silicone-based lubricant (B4); and a content of the lubricant (B) is in a range of 0.1 to 10% by mass. A cellulose resin composition capable of forming a molded body having a high-quality appearance and scratch resistance is provided.

FIBROUS CELLULOSE COMPOSITE RESIN AND PRODUCTION METHOD THEREFOR
20220282076 · 2022-09-08 · ·

A fibrous cellulose composite resin excellent in strength, and a method for producing the same. The fibrous cellulose composite resin includes microfiber cellulose, a resin, and an acid-modified resin, wherein the microfiber cellulose has hydroxyl groups, which are substituted with carbamate groups, and has been washed and defibrated into an average fiber width of 0.1 μm or larger, in which the amount of the byproduct is 10% or less per 100 parts by mass of a carbamate-modified cellulose. The production method includes heat-treating a cellulose raw material and urea to obtain a carbamate-modified cellulose, washing the carbamate-modified cellulose, defibrating the carbamate-modified cellulose to obtain a dispersion of carbamate-modified microfiber cellulose having an average fiber width of 0.1 μm or larger, mixing the dispersion and an acid-modified resin to obtain a material containing carbamate-modified microfiber cellulose, and kneading the material with a resin to obtain a composite resin.

FIBROUS CELLULOSE COMPOSITE RESIN AND PRODUCTION METHOD THEREFOR
20220282076 · 2022-09-08 · ·

A fibrous cellulose composite resin excellent in strength, and a method for producing the same. The fibrous cellulose composite resin includes microfiber cellulose, a resin, and an acid-modified resin, wherein the microfiber cellulose has hydroxyl groups, which are substituted with carbamate groups, and has been washed and defibrated into an average fiber width of 0.1 μm or larger, in which the amount of the byproduct is 10% or less per 100 parts by mass of a carbamate-modified cellulose. The production method includes heat-treating a cellulose raw material and urea to obtain a carbamate-modified cellulose, washing the carbamate-modified cellulose, defibrating the carbamate-modified cellulose to obtain a dispersion of carbamate-modified microfiber cellulose having an average fiber width of 0.1 μm or larger, mixing the dispersion and an acid-modified resin to obtain a material containing carbamate-modified microfiber cellulose, and kneading the material with a resin to obtain a composite resin.

WATER-ABSORBENT COMPOSITION AND PRODUCTION METHOD THEREFOR
20220297084 · 2022-09-22 · ·

An absorbent composition containing cellulose nanofibers and a water-soluble polymer and having a specific surface area of at least 1.0 m.sup.2/g and a method for producing the same. The water-soluble polymer is preferably a cellulose derivative or its salt. The cellulose derivative preferably has a degree of etherification of 1.0 or lower. The absorbent composition is preferably produced by mixing cellulose nanofibers and the water-soluble polymer in a liquid and freeze-drying the resulting mixed solution.

WATER-ABSORBENT COMPOSITION AND PRODUCTION METHOD THEREFOR
20220297084 · 2022-09-22 · ·

An absorbent composition containing cellulose nanofibers and a water-soluble polymer and having a specific surface area of at least 1.0 m.sup.2/g and a method for producing the same. The water-soluble polymer is preferably a cellulose derivative or its salt. The cellulose derivative preferably has a degree of etherification of 1.0 or lower. The absorbent composition is preferably produced by mixing cellulose nanofibers and the water-soluble polymer in a liquid and freeze-drying the resulting mixed solution.

EMULSIFICATION COMPOSITION CONTAINING HYDROPHOBIC-MODIFIED CELLULOSE FIBERS

The present invention relates to the provision of an aqueous emulsion composition for producing a film showing slippery properties containing hydrophobically modified cellulose fibers and at the same time improving water resistance and durability of the film. Since the emulsion composition of the present invention is capable of forming a film having slippery properties, which can be utilized on various surfaces, for example, those in the fields of coatings for ships and bridges, cosmetics, and the like.

VARIABLE-SIZE HYDROPHOBICALLY-MODIFIED POLYMERS
20220243039 · 2022-08-04 ·

In various aspects, the invention provides compositions of variable-length hydrophobically-modified polymers. These variable-length hydrophobes decorated along the hydrophilic polymer backbone provide advanced properties and allow for precise control over the behavior of the resulting amphiphilic polymer, including in aqueous solution. Such control allows for enhanced functionality of the amphiphilic polymer relative to standard single-length hydrophobe grafting designs, including for hemostasis.

HYDROPHOBICALLY MODIFIED CHITOSAN COMPOSITIONS
20220227974 · 2022-07-21 ·

Disclosed herein is a polymer composition comprising an effective amount of a hydrophobically-modified polymer having functional groups along the backbone occupied by a fatty anhydride moiety. The polymer composition has a potent hemostatic action by gelling blood upon contact, and is suitable for treating internal and external bleeds. As disclosed herein, the modified polymer can be generated without the use of toxic reagents that would require removal from the product. Further, compositions are shelf stable even in a flowable form. That is, the hydrophobic grafts are not lost under product storage conditions (e.g., room temperature storage).

Slurry composition for non-aqueous secondary battery functional layers, non-aqueous secondary battery functional layer, and non-aqueous secondary battery
11394029 · 2022-07-19 · ·

A slurry composition for non-aqueous secondary battery functional layers contains non-conductive particles, a water-soluble polymer having an average degree of polymerization of 50 or more and 450 or less, a binder, and water.