The present invention relates to a method for manufacturing a cord for a power transmission belt, including a first treatment step of treating an untreated yarn of a cord for a power transmission belt with a first treatment agent containing: a rubber composition (A) containing a condensate (A1) of a resorcin and formaldehyde, a rubber component (A2) containing a carboxy-modified latex, and a curing agent (A3) containing a polycarbodiimide resin having a plurality of carbodiimide groups; and a hydrophilic solvent (B).

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 method for manufacturing precursor yarn comprising lignin, which may be further processed into intermediate carbon fibers and finally also carbon fibers. It also relates to carbon fibers and uses of said fibers. Said method involves applying a water-free spin finish.

The present invention relates to a method for manufacturing precursor yarn comprising lignin, which may be further processed into intermediate carbon fibers and finally also carbon fibers. It also relates to carbon fibers and uses of said fibers. Said method involves applying a water-free spin finish.

A method of reversible swelling and collapsing of the latent pores of natural fiber welded biopolymer by way of sequential solvent treatment to i) regenerate mesoporous biopolymeric structures, comprising the steps of providing a nonporous natural fiber welded biopolymer composite, submerging the nonporous composite in polar solvent, exchanging submersion solvents, typically starting from a solvent of polar identity and ending with a solvent of nonpolar identity, then removing the solvent; and ii) regenerate nonporous biopolymeric structures, comprising the steps of providing a mesoporous natural fiber welded biopolymer composite, submerging the mesoporous composite in polar solvent, then removing the solvent. A mesoporous biopolymeric structure wherein the NFW nonporous composite expresses a BET surface area change of <5 m.sup.2 g.sup.1 to >40 m.sup.2 g.sup.1. A nonporous biopolymeric structure wherein the NFW mesoporous composite expresses a BET surface area change of >40 m.sup.2 g.sup.1 to <5 m.sup.2 g.sup.1.

A method of reversible swelling and collapsing of the latent pores of natural fiber welded biopolymer by way of sequential solvent treatment to i) regenerate mesoporous biopolymeric structures, comprising the steps of providing a nonporous natural fiber welded biopolymer composite, submerging the nonporous composite in polar solvent, exchanging submersion solvents, typically starting from a solvent of polar identity and ending with a solvent of nonpolar identity, then removing the solvent; and ii) regenerate nonporous biopolymeric structures, comprising the steps of providing a mesoporous natural fiber welded biopolymer composite, submerging the mesoporous composite in polar solvent, then removing the solvent. A mesoporous biopolymeric structure wherein the NFW nonporous composite expresses a BET surface area change of <5 m.sup.2 g.sup.1 to >40 m.sup.2 g.sup.1. A nonporous biopolymeric structure wherein the NFW mesoporous composite expresses a BET surface area change of >40 m.sup.2 g.sup.1 to <5 m.sup.2 g.sup.1.

Provided is a sun protection composition including a UV absorber and a plurality of porous titanium dioxide microspheres. The UV absorber absorbs light of at least one of UVA radiation and UVB radiation. The particle size of the porous titanium dioxide microspheres is 100 nm to 300 nm, and the porous titanium dioxide microspheres can scatter light in a wavelength range between 200 nm and 400 nm. A cosmetic and a fabric containing the sun protection composition can also scatter light in a wavelength range between 200 nm and 400 nm, such that the UV protection capability of the cosmetic and the fabric is enhanced.

Provided is a sun protection composition including a UV absorber and a plurality of porous titanium dioxide microspheres. The UV absorber absorbs light of at least one of UVA radiation and UVB radiation. The particle size of the porous titanium dioxide microspheres is 100 nm to 300 nm, and the porous titanium dioxide microspheres can scatter light in a wavelength range between 200 nm and 400 nm. A cosmetic and a fabric containing the sun protection composition can also scatter light in a wavelength range between 200 nm and 400 nm, such that the UV protection capability of the cosmetic and the fabric is enhanced.

The present disclosure provides a method for processing an all-polyester fiber cotton-like fabric with sunlight resistance. The method includes: 1) weaving a PTT/PET bicomponent composite stretch yarn into a fabric; 2) dyeing processing the fabric; and 3) finalizing and finishing, wherein the finalizing and finishing comprises: a) preparing a finishing liquor obtained by mixing a crosslinking agent and an emulsion of benzophenone-containing polyorganosiloxane; b) padding the fabric; and c) drying and finalizing at a high temperature.