The present disclosure provides a method for producing a cell-culturing polyvinyl alcohol-based nanofiber structure, the method comprising: electrospinning an electrospun solution to form a nanofiber mat, wherein the electrospun solution contains polyvinyl alcohol (PVA), polyacrylic acid (PA) and glutaraldehyde (GA); crosslinking the nanofiber mat via a hydrochloric acid (HCl) vapor treatment; and treating the crosslinked nanofiber mat with dimethylformamide (DMF) solvent to crystallize the nanofiber mat.

Provided are an artificial cornea having sufficient strength and optical properties, in which deviation or infection of the artificial cornea is restrained, and a method for manufacturing the artificial cornea. According to the present invention, the method for manufacturing the artificial cornea includes a nonwoven fabric preparation step of preparing a nonwoven fabric formed therein with a through-hole, and a gel arrangement step of arranging an aqueous polymer gel to cover the through-hole.

Provided is surface-metalized fiber, yarn, or fabric comprising: (a) a fiber, yarn, or fabric having a surface; (b) a graphene layer having a thickness from 0.34 nm to 20 m and comprising multiple graphene sheets and an optional conducive filler coated on or bonded to the surface, with or without using an adhesive resin, to form a graphene-coated fiber, yarn, or fabric; and (c) a metal layer comprising a plated metal deposited on the graphene-coated fiber, yarn, or fabric; wherein the graphene sheets contain single-layer or few-layer graphene sheets selected from a pristine graphene, graphene oxide, reduced graphene oxide, graphene fluoride, graphene chloride, graphene bromide, graphene iodide, hydrogenated graphene, nitrogenated graphene, doped graphene, chemically functionalized graphene, or a combination thereof. This film exhibits a high scratch resistance, strength, hardness, electrical conductivity, thermal conductivity, light reflectivity, gloss, etc.

An electrically-actuated artificial muscle fiber with bidirectional linear strain and a preparation method thereof are provided. The artificial muscle fiber includes a fiber matrix, electrode layers and insulating layers. The artificial muscle fiber takes the fiber matrix as a skeleton, upper and lower layers of the fiber matrix are covered with one electrode layer respectively, and one insulating layer is covered on a surface of each of electrode layers. A helical fiber body is formed by winding. Finally, the artificial muscle fiber is formed through packaging, where metal wires are taken as leads and respectively connected to upper and lower layers of electrodes.

A substantially hollow structured elastic core-spun yarn has a dissoluble core and main stretch core covered with single or multiple slivers. The dissoluble core would be partially or totally removed in yarn processing, or fabric finishing, or garment finishing, and removed with combination of different stages' processing.

The method for producing a surface-modified base material according to the present invention includes a step of bringing a base material having a polar group present on a surface thereof into contact with a hydrosilane compound having a molecular structure A and having a SiH group composed of a silicon atom of the molecular structure A and a hydrogen atom bonded to the silicon atom in the presence of a borane catalyst so as to allow a dehydrocondensation reaction to take place between the base material and the compound, thereby forming the base material surface-modified with the molecular structure A. This production method is capable of surface-modifying a base material at a lower temperature in a shorter time than conventional methods and allows a wide variety of options for the form, type, and application of the base material, the mode of the modification reaction, and the type of the molecular structure with which the base material is surface-modified.

Methods of treating fibers comprising a polymer including at least one of a vinyl acetate moiety or a vinyl alcohol moiety, and resulting fibers or the products comprising the resulting fibers are disclosed. In an example embodiment, a fiber having a surface region and an interior region, includes a polymer comprising at least one of a vinyl acetate moiety or a vinyl alcohol moiety chemically modified with a modification agent. The fiber has a transverse cross-section including the interior region comprising the polymer having a first degree of modification and the surface region comprising the polymer having a second degree of modification greater than the first degree of modification.

An electrically-actuated artificial muscle fiber with bidirectional linear strain and a preparation method thereof are provided. The artificial muscle fiber includes a fiber matrix, electrode layers and insulating layers. The artificial muscle fiber takes the fiber matrix as a skeleton, upper and lower layers of the fiber matrix are covered with one electrode layer respectively, and one insulating layer is covered on a surface of each of electrode layers. A helical fiber body is formed by winding. Finally, the artificial muscle fiber is formed through packaging, where metal wires are taken as leads and respectively connected to upper and lower layers of electrodes.

Fibers with crystallization seeds attached to its surface, method of making such composite fibers by surface treatment of fibers followed by either treating such fibers with premade crystallization seeds or by precipitation and direct crystallization of seeds onto pretreated fibers. Controlling and tuning the properties of inorganic binder compositions with fiber-bound crystallization seeds and thereby generating inorganic binder compositions with tailor-made characteristics.

A cloth containing a fiber having on a surface a polyacetal copolymer containing a prescribed amount of oxyalkylene unit(s), wherein the cloth exhibits a q.sub.max value of at least 0.2 W/cm.sup.2, when the cloth is brought into contact with a heat storing plate of 40 C. under a contact pressure of 0.098 N/cm.sup.2 in an environment at a temperature of 20 C. and at a relative humidity of 65%, is superior in contact cold sensation, colorfastness, quick drying property and gloss.