Dissociation of a macroscale version of an aramid fiber leads to the nanofiber form of this polymer. Indefinitely stable dispersions of uniform high-aspect-ratio aramid nanofibers (ANFs) with diameters between 3 and 30 nm controlled by the media composition and up to 10 m in length are obtained. ANFs can be processed in transparent thin films using layer-by-layer assembly (LBL) with superior mechanical performance.

Dissociation of a macroscale version of an aramid fiber leads to the nanofiber form of this polymer. Indefinitely stable dispersions of uniform high-aspect-ratio aramid nanofibers (ANFs) with diameters between 3 and 30 nm controlled by the media composition and up to 10 m in length are obtained. ANFs can be processed in transparent thin films using layer-by-layer assembly (LBL) with superior mechanical performance.

Provided is a preparation method of a yeast cell immobilization medium, which comprises the following steps: (1) boiling a fiber material in boiling water and drying the fiber material; (2) soaking the fiber material in a surface modified aqueous solution with a concentration of 1-100 g/L, using hydrochloric acid to adjust a PH of the solution to 7.0, fully rinsing the fiber material in deionized water and drying the fiber material; (3) soaking the fiber material in a cross-linking agent aqueous solution with a concentration of 1-100 g/L, fully rinsing the fiber material in deionized water and drying the fiber material; and (4) attaching the fiber material to supporting framework. Also provided is the yeast cell immobilization medium prepared using the preparation method and a method for producing ethanol using the yeast cell immobilization medium.

Provided is a preparation method of a yeast cell immobilization medium, which comprises the following steps: (1) boiling a fiber material in boiling water and drying the fiber material; (2) soaking the fiber material in a surface modified aqueous solution with a concentration of 1-100 g/L, using hydrochloric acid to adjust a PH of the solution to 7.0, fully rinsing the fiber material in deionized water and drying the fiber material; (3) soaking the fiber material in a cross-linking agent aqueous solution with a concentration of 1-100 g/L, fully rinsing the fiber material in deionized water and drying the fiber material; and (4) attaching the fiber material to supporting framework. Also provided is the yeast cell immobilization medium prepared using the preparation method and a method for producing ethanol using the yeast cell immobilization medium.

An aqueous post-coat composition for coating a fiber tow is disclosed. The aqueous composition includes about 0.5 to about 5.0 wt. % solids of a film former and about 0.05 to about 2.0 wt. % solids of a compatibilizer. The compatibilizer may be at least one of a silicone-based coupling agent, a titanate coupling agent, a zirconate coupling agent, gluteric dialdehyde, and a quaternary ammonium antistatic agent.

An aqueous post-coat composition for coating a fiber tow is disclosed. The aqueous composition includes about 0.5 to about 5.0 wt. % solids of a film former and about 0.05 to about 2.0 wt. % solids of a compatibilizer. The compatibilizer may be at least one of a silicone-based coupling agent, a titanate coupling agent, a zirconate coupling agent, gluteric dialdehyde, and a quaternary ammonium antistatic agent.

Methods, apparatus and kits for modifying natural feathers that are used in sporting goods that result in long lasting feathers with increased mechanical stability, reliability and durability as well as improved flight consistency is disclosed. Some of the sporting goods that use natural feathers are badminton shuttlecocks, arrow fletchings, and darts. The disclosed methods consist of controlled treatment of feather shuttlecocks with crosslinking agents to crosslink the keratin protein present on the natural feathers of the shuttlecock.

The present invention relates to a composition for fiber adhesion, and more particularly, a composition for fiber adhesion including titanium dioxide, flame retardants, ultraviolet absorbers and heat stabilizers; and coated yarns, fabrics and articles comprising the composition.

The present invention can provide a fiber bonding composition with excellent heat shielding property, light shielding property, ultraviolet and infrared reflection characteristics, weather resistance, heat resistance, heat insulation, durability, etc.

In addition, the present invention can provide a coating yarn which can be widely used for blinds, shade film, interior materials, etc. because of excellent thermal shielding property, light shielding property, ultraviolet ray and infrared ray reflection property, weather resistance, heat resistance.

Furthermore, the present invention can provide a fabric for blind, sunscreen or interiors where it is possible to implement various colors because the fabric is a white color, and the energy can be dramatically reduced because the fabric lowers the indoor temperature and reduces the cooling.

The present invention relates to a composition for fiber adhesion, and more particularly, a composition for fiber adhesion including titanium dioxide, flame retardants, ultraviolet absorbers and heat stabilizers; and coated yarns, fabrics and articles comprising the composition.

The present invention can provide a fiber bonding composition with excellent heat shielding property, light shielding property, ultraviolet and infrared reflection characteristics, weather resistance, heat resistance, heat insulation, durability, etc.

In addition, the present invention can provide a coating yarn which can be widely used for blinds, shade film, interior materials, etc. because of excellent thermal shielding property, light shielding property, ultraviolet ray and infrared ray reflection property, weather resistance, heat resistance.

Furthermore, the present invention can provide a fabric for blind, sunscreen or interiors where it is possible to implement various colors because the fabric is a white color, and the energy can be dramatically reduced because the fabric lowers the indoor temperature and reduces the cooling.

The subject of the invention is a method of obtaining an antimicrobially active nonwoven fabric, which is prepared in an aqueous solution containing: from 0.1 to 30 wt % citric acid, from 0.1 to 20 wt % chitosan, from 0.1 to 15 wt % zinc oxide, from 0.01 to 3 wt % lawsone, and and preferably natural essential oils in an amount of 0.01 to 5 wt %, especially of mint or lavender. In the next step, the prepared solution is applied to the non-woven fabric, which is then dried.