Abstract

The present disclosure relates to a polyethylene fiber and a method for preparing thereof, and more particularly to a polyethylene fiber, a method for preparing thereof, and an apparatus for preparing thereof, which has excellent wearing and touch sensation with processing convenience into woven fabrics and knitted fabrics in use in applied products by reducing the stiffness of fiber having the same physical properties using an enforced necking method in a spinning process.

IPC Classes  ?

• D01F 6/04 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
• D01D 5/098 - Melt-spinning methods with simultaneous stretching
• D01D 10/02 - Heat treatment
• D04B 1/24 - Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machinesFabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel
• D02J 1/22 - Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
• D02J 13/00 - Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass

Abstract

The present invention relates to a polyethylene article formed of a high-strength polyethylene fiber prepared from a polyethylene resin composition having a melting point of 0.6-2 g/10 min and a molecular weight distribution index of 5-10 and, specifically, to a knitted polyethylene article, which is characterized by having a friction coefficient of 0.5 or smaller, a stiffness of 2 gf or smaller, and an index according to the cut-resistance standard of 3 or greater.

IPC Classes  ?

• D04B 1/16 - Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
• D04B 1/28 - Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machinesFabrics or articles defined by such processes specially adapted for knitting goods of particular configuration wearing apparel gloves

Abstract

The present invention relates to a high strength polyethylene multifilament fiber made from a composition comprising a polyethylene resin (PE) having a melt index of 0.6 to 2 g/10 min and a molecular weight distribution index of 5 to 10, and a manufacturing method thereof, wherein the high strength polyethylene multifilament fiber has a strength of 12 to 16g/d, and a hairiness index of 10 or less per 100,000 m.

IPC Classes  ?

• D01F 8/06 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one polyolefin as constituent
• D01D 5/088 - Cooling filaments, threads or the like, leaving the spinnerettes
• D01D 5/098 - Melt-spinning methods with simultaneous stretching
• D01D 10/02 - Heat treatment

Abstract

The present invention relates to a PET bottle having improved heat-resistance or cold-resistance and comprising a polyester resin formed from: an acid component comprising terephthalic acid or an ester-formable derivative thereof; and a diol component comprising 2-methyl-1,3-propanediol (MPD) and ethylene glycol (EG).

IPC Classes  ?

• C08L 67/03 - Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
• B65D 1/02 - Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
• B65D 65/16 - Wrappers or flexible covers with provision for excluding or admitting light
• C08G 63/183 - Terephthalic acids
• C08K 5/1539 - Cyclic anhydrides

Abstract

Provided are a high-strength polyethylene multifilament fiber, and a method of manufacturing a high-strength polyethylene multifilament fiber, the manufacturing method comprising: a step for forming an undrawn yarn by melt-spinning a high-density polyethylene resin (HDPE) having a melt index of 0.5 to 5 g/10 min, and cooling and solidifying the high-density polyethylene resin; and a step for putting the undrawn yarn through drawing-heatsetting-relaxation-winding processes by using multistep drawing rollers.

IPC Classes  ?

• D01F 8/04 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers

Abstract

The present invention provides a low melting point conjugate fiber prepared by conjugate spinning of, as a core component, general polyester, and a sheath component, a copolymerized polyester resin for a low melting point binder, which is prepared by copolymerization of acidic ingredients and diol ingredients, the acidic ingredients including terephthalic acid and isophthalic acid, or ester-forming derivatives thereof, the diol ingredients including 2-methyl-1,3-propanediol, diethylene glycol, and ethylene glycol.

IPC Classes  ?

• D01D 5/34 - Core-skin structureSpinnerette packs therefor
• D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one polyester as constituent

Abstract

The present invention relates to: a polyethylene tarpaulin in which a low-density polyethylene (LDPE) resin is coated on one surface or both surfaces of a fabric or knitted core body woven from a material of polyethylene multi-filament yarn, such that the polyethylene tarpaulin can exhibit high strength characteristics of 1,000 N/cm or higher and can be easily reused; and a preparation method therefor, wherein the polyethylene tarpaulin has advantages of having industrially required high strength and enabling ecofriendly reuse.

IPC Classes  ?

• D06M 15/21 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• D01F 8/06 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one polyolefin as constituent
• D03D 15/00 - Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
• D03D 1/00 - Woven fabrics designed to make specified articles
• D01D 5/098 - Melt-spinning methods with simultaneous stretching
• D01F 1/10 - Other agents for modifying properties
• D01D 5/088 - Cooling filaments, threads or the like, leaving the spinnerettes
• D01D 5/30 - Conjugate filamentsSpinnerette packs therefor
• D04B 21/20 - Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machinesFabrics or articles defined by such processes specially adapted for knitting articles of particular configuration

Goods & Services

Semi-synthetic fiber thread and yarn for textile use; Yarn and thread for textile purposes; Synthetic fibers thread and yarn; Chemical fiber base mixed thread and yarn; Yarn; Semi-synthetic fiber thread and yarn [chemically treated nature]; Synthetic thread and yarn; Spun cotton; Sanitary worked synthetic mixture of cotton thread and yarn; Spun thread and yarn; Sewing thread and yarn; Yarn and thread for textile purposes; Threads of plastic materials for textile use; Synthetic fiber thread and yarn for textile use; Chemical-fiber threads and yarns for textile use; Darning thread and yarn; Knitting yarn; Cotton base mixed thread and yarn; Mixed thread and yarn; Mixed spun threads and yarns.

Goods & Services

Leisure suits; Caps as headwear; Winter clothes; Winter face masks as clothing; Winter gloves; Winter coats; Winter jackets; Winter boots; Mittens; Boots; Stocking suspenders; Sportswear; Suits for men; Sock suspenders; Dress shirts; Athletic uniforms; Clothing; Gloves as clothing; Work clothing; Vests.

Goods & Services

Pet cushions; Mat bed; Beds not for medical purposes; Sofas; Korean cushions named Bangsuk; Pillows; Chair cushions, Bedding except linen; Cushions; Sleeping bags for camping; Bed and mattress; Sleeping mats; Fancy mattress used as cushion; Pillow forms; Mattress cushions; Cushions in the nature of furniture; Sofa beds; Chair pads; Head support cushions for babies; Futon mattresses.

Goods & Services

Blankets; Quilts; Synthetic fiber fabrics; Non-woven fabrics and felts; Down quilts; Semi-synthetic fiber fabrics; Pillow covers; Synthetic fibre fabrics; Quilt/sheet; Sheet covers, Quilt covers, Textile fabrics for the manufacture of clothing; Fabric; Elastic woven material; Polyester fabric; Bed covers; Mixed fiber fabrics; Chemical fiber base mixed fabrics; Chemical fiber fabrics; Knitted fabrics of chemical-fiber yarn.

Goods & Services

Semi-synthetic fibers for textile use; Aramid fibers for textile use; Regenerated fibers for textile use; Polyester fibers for textile use; Plastic fibers for textile use; Synthetic fibers for textile use; Chemical fibers for textile use; Inorganic fibers for textile use; Textile fibers; Fiberfill; Padding materials made not of rubber, plastics, paper or cardboard; Cotton batting for futon; Cotton tow; Wadding for padding and stuffing upholstery; Cotton waddings for clothes; Cotton waddings for textile use; Down feathers for use as stuffing; Cotton waste as flock for padding and stuffing; Polyester stuffing fibers; Polyester batting.

Abstract

The present invention relates to a polyethylene fiber and a manufacturing method thereof. More particularly, the present invention relates to a polyethylene fiber which, when in use in applied products, is convenient in terms of fabric and knitting process, and has excellent wearing and touch sensation by reducing the stiffness of fiber having the same physical properties using an enforced necking method in a spinning process; a manufacturing method thereof; and a manufacturing apparatus thereof.

IPC Classes  ?

• D01F 6/04 - Monocomponent man-made filaments or the like of synthetic polymersManufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins

Abstract

The present invention provides a modified cross-section hollow fiber, wherein the fiber comprises a hollow part, a shape maintaining part and a volume control part, the volume control part can have a shape protruding in the direction opposite to the center of the fiber, and an end part has a round shape.

IPC Classes  ?

• D01D 5/253 - Formation of filaments, threads, or the like with a non-circular cross sectionSpinnerette packs therefor
• D01D 5/24 - Formation of filaments, threads, or the like with a hollow structureSpinnerette packs therefor

Abstract

The present invention relates to a thermal bonding conjugate fiber for a nonwoven binder, comprising: a polyester-based resin or a polypropylene resin as a first component; and a polyolefin-based resin, as a second component, having a melting point lower than that of the polyester-based resin by 20°C or more.

IPC Classes  ?

• D01F 8/14 - Conjugated, i.e. bi- or multicomponent, man-made filaments or the likeManufacture thereof from synthetic polymers with at least one polyester as constituent
• D01D 5/34 - Core-skin structureSpinnerette packs therefor

Goods & Services

Bed and mattress; Pet cushions; Mat bed; Beds (not for medical purposes); Sofas; Pillows; Korean cushions (Bangsuk); Chair cushions; Bedding (except linen); Cushions; Mats for infant playpens; Tent pegs (not of metal); Sleeping bags for camping; Life-size forms of the human body to display clothes. Textile fibers; Chemical fibers for textile use; Semi-synthetic fibers for textile use; Aramid fibers for textile use; Artificial wools for textile use; Regenerated fibers for textile use; Polyester fibers for textile use; Plastic fibers for textile use; Synthetic fibers for textile use; Inorganic fibers for textile use; Fiberfill; Padding materials (not of rubber, plastics, paper or cardboard); Stuffing (not of rubber, plastics, paper or cardboard); packing (cushioning, stuffing) materials (not of rubber, plastics, paper or cardboard); Micro-fiber. Yarn; Yarn and thread for textile purposes; Semi-synthetic fiber thread and yarn for textile use; Regenerated fiber thread and yarn for textile use; Synthetic fibers thread and yarn; Chemical fiber base mixed thread and yarn. Fitted toilet lid covers of fabric; Filtering materials of textile; Mattress covers; Blankets; Quilts; Bed clothes; Sleeping bags (sheeting); Blankets; Bedsheets; Bed pads; Fabrics; Chemical fiber base mixed fabrics; Non-woven fabrics and felts; Synthetic fiber fabrics.

Goods & Services

Threads for textile use, rayon thread and yarn, spun thread and yarn, sewing thread and yarn, semi-synthetic fiber tread and yarn for textile use, threads of plastic materials for textile use, synthetic fiber thread and yarn for textile use, chemical fiber thread and yarn for textile use.

Goods & Services

Synthetic resin materials for exclusive use in building and construction; fiber reinforcing materials for building and construction; soil reinforcing materials, not of metal; soil stabilizing materials, not of metal; reinforcing materials, not of metal, for buildings; trellises, not of metal; structure construction, not of metal or plastic net, not of metal, for buildings.

Goods & Services

(1) Fabrics; upholstery fabrics; fabrics for boots and shoes; flags; cloth handkerchiefs; table cloths; table linens; bed coverings; and bed linens.

Goods & Services

(1) Carbon fibers for textile use, glass fibers for textile use, plastic fibers for textile use, raw fibrous textile, raw cotton, raw or treated wool, raw linen, raw silk, textile fibers, vitreous silica fibers for textile use.