Provided is an infrared-absorbing fiber, knit fabric, or non-woven fabric containing an infrared-absorbing pigment, wherein L* in the CIE 1976 color space is at least 30, and the color difference ΔE in the CIE 1976 color space between said infrared-absorbing fiber, knit fabric, or non-woven fabric and an infrared-absorbing fiber, knit fabric, or non-woven fabric containing no infrared-absorbing pigment is at most 10.

A laminar velour knitted fabric is disclosed, which has an top side and a bottom side, the top side including a pile and the bottom side including a knitted fabric of at least one pile material and a base material. The at least one pile material in the knitted fabric is formed as at least one pile yarn and the base material in the knitted fabric is formed as at least one base yarn. Further, the pile includes the at least one pile material. The at least one pile material of the pile has individual fibrils with a fineness of at most 2 dtex per fibril.

A comfortable fabric with a strong three-dimensional effect is woven from warps and wefts. The warps and the wefts are woven into a 1/1 pattern, wherein the warp density is 11 threads/cm and the weft density is 10 threads/cm. The warps and the wefts each include a cationic dyeable polyester hollow yarn that comprises two different polyester yarns which can be dyed with two different colors. The warps and wefts comprise big-belly yarns and the cationic dyeable polyester hollow yarns. The resulting fabric has protruding patterns, a strong three-dimensional effect, good air permeability, a rough feel to the touch, and a unique aesthetic appearance.

Disclosed herein are implementations of a weighted fabric and a method of construction thereof. The method for constructing the weighted fabric includes loading a first yarn on a cylinder of a double-knit circular knit machine. The method includes loading the first yarn on a dial of the double-knit circular knit machine. The method includes loading a second yarn on the dial of the double-knit circular knit machine. The method includes knitting the first yarn and the second yarn to construct the weighted fabric. The first yarn may be knitted at a first feed rate. The second yarn may be knitted at a second feed rate. The first feed rate may be greater than the second feed rate. The method may include dyeing the weighted fabric. The method may include framing the weighted fabric.

A type of easy-to-dye porous modified polyester fibers and preparing method thereof are disclosed. The preparing method is using the modified polyester melt through a porous spinneret with FDY process; wherein the modified polyester is a product of an esterification and successive polycondensation reactions of an evenly mixed terephthalic acid, ethylene glycol, main chain silicated diol, 2,2,3,4,5,5-hexamethyl-3,4-hexanediol, and metal oxide doped Sb.sub.2O.sub.3 powder; wherein the main chain silicated diol is selected from the group consisting of dimethylsiloxane diol, dimethyldiphenyldisiloxane glycol and tetramethyldisiloxane diol. The structural formula of 2,2,3,4,5,5-hexamethyl-3,4-hexanediol is as follows: ##STR00001## The dye uptake and the K/S value of the prepared easy-to-dye porous modified polyester fiber are high. This invention features a method with ease of application and a product with good dyeing performance and good quality.

A type of cationic dyeable polyester fiber and preparing method thereof are disclosed. The preparing method is to manufacture a fiber from a cationic modified polyester through a fully drawn yarn (FDY) process, wherein the cationic modified polyester is composed of terephthalic acid segments, ethylene glycol segments, sodium salt of diethylene ester of 5-sulfoisophthalic acid segments and tert-butyl branched diol segments and a molecular formula of tert-butyl branched diol is as following:

##STR00001##

The cationic modified polyester is further dispersed with a high temperature calcined solid heteropolyacid. A final fiber has a dye uptake of 87.8-92.2% and a K/S value of 23.27-25.67 when dyed at 120° C., as well as an intrinsic viscosity drop of 13-17% when stored at 25° C. and R.H. 65% for 60 months.

A polyamide fiber which has a single fiber fineness of less than 5 dtex, and has a stress per unit fineness of 0.7 cN/dtex or more in 3% elongation in a tensile test of the fiber, in which a stress F1 in 3% elongation in a tensile test of the fiber before 100° C. boiling water treatment and a stress F2 in 3% elongation in a tensile test of the fiber after the treatment satisfy Formula (1):
F2/F1>0.7  (1).

A type of easy-to-dye porous modified polyester fibers and preparing method thereof are disclosed. The preparing method is using the modified polyester melt through a porous spinneret with FDY process; wherein the modified polyester is a product of an esterification and successive polycondensation reactions of an evenly mixed terephthalic acid, ethylene glycol, main chain silicated diol, 2,2,3,4,5,5-hexamethyl-3,4-hexanediol, and metal oxide doped Sb.sub.2O.sub.3 powder; wherein the main chain silicated diol is selected from the group consisting of dimethylsiloxane diol, dimethyldiphenyldisiloxane glycol and tetramethyldisiloxane diol. The structural formula of 2,2,3,4,5,5-hexamethyl-3,4-hexanediol is as follows:

##STR00001##

The dye uptake and the K/S value of the prepared easy-to-dye porous modified polyester fiber are high. This invention features a method with ease of application and a product with good dyeing performance and good quality.

Compositions containing spandex and quaternary amine additives for use in filaments, fiber and articles of manufacture having improved wash fastness when dyed with acid dyes are provided. Methods for production of these compositions are also provided.

The invention addresses the problem of providing a cloth that is excellent not only in flame retardancy and antistatic properties but also in appearance quality and preferably also has protection performance against electric arcs, a method for producing the same, and a textile product. A means for resolution is a cloth including a meta-type wholly aromatic polyamide fiber and an electrically conductive fiber, wherein both the meta-type wholly aromatic polyamide fiber and the electrically conductive fiber are colored.