D01D5/088

Method for preparing fully-degradable non-woven fabric by spun-bonding

Disclosed is a method for preparing a fully-degradable non-woven fabric by spun-bonding, including: (S1) preparation of a poly(caprolactone-co-lactide acid) (P(CL-co-LA)); (S2) preparation of a copolymerized-modified poly(lactide acid) (PLA); and (S3) preparation of a full-degradable non-woven fabric using a spun-bond method. In this disclosure, the PLA is modified in gradient several times to prepare the full-degradable non-woven fabric in combination with an optimized spun-bonding method.

METHOD OF MANUFACTURING YARN AND YARN OBTAINED IN THAT MANNER
20240191404 · 2024-06-13 ·

Method for manufacturing yarn, wherein said yarn comprises a plurality of continuous filaments, wherein said method comprises at least the following steps: the step of spinning, preferably melt spinning, a plurality of continuous filaments; andthe step of treating said plurality of continuous filaments by means of a pressurized fluid supplied by two or more nozzles, and wherein one or more of said nozzles deliver said fluid at a varying pressure and/or rate and/or temperature.

METHOD OF MANUFACTURING YARN AND YARN OBTAINED IN THAT MANNER
20240191404 · 2024-06-13 ·

Method for manufacturing yarn, wherein said yarn comprises a plurality of continuous filaments, wherein said method comprises at least the following steps: the step of spinning, preferably melt spinning, a plurality of continuous filaments; andthe step of treating said plurality of continuous filaments by means of a pressurized fluid supplied by two or more nozzles, and wherein one or more of said nozzles deliver said fluid at a varying pressure and/or rate and/or temperature.

METHOD FOR MANUFACTURING ELASTIC FIBER AND ELASTIC FIBER

A method for manufacturing an elastic fiber and the elastic fiber are provided. The method includes: providing a thermoplastic polyester elastomer; drying the thermoplastic polyester elastomer; melting the thermoplastic polyester elastomer by an extruder to form a melt; extruding the melt by a spinneret plate to form a plurality of filamentous streams; feeding the filamentous streams into a spinning channel for cooling and curing to form a plurality of monofilaments; and bundling and oiling the monofilaments by an oil wheel, after extending and guiding the monofilaments by a first godet roller and a second godet roller, and winding the monofilaments by a winder to obtain a thermoplastic polyester elastic fiber.

METHOD FOR MANUFACTURING ELASTIC FIBER AND ELASTIC FIBER

A method for manufacturing an elastic fiber and the elastic fiber are provided. The method includes: providing a thermoplastic polyester elastomer; drying the thermoplastic polyester elastomer; melting the thermoplastic polyester elastomer by an extruder to form a melt; extruding the melt by a spinneret plate to form a plurality of filamentous streams; feeding the filamentous streams into a spinning channel for cooling and curing to form a plurality of monofilaments; and bundling and oiling the monofilaments by an oil wheel, after extending and guiding the monofilaments by a first godet roller and a second godet roller, and winding the monofilaments by a winder to obtain a thermoplastic polyester elastic fiber.

Method for preparing PET/PTT parallel complex filament with high self-crimpiness

The present invention discloses a method for preparing a PET/PTT parallel complex filament with high self-crimpiness, wherein PET and PTT are sliced, dried and crystallized, and then fused separately and subjected to extrusion molding through a parallel-type spinneret plate; oil is applied after cooling; then level 1-3 drafting and heat setting treatment are adopted; and during drafting, a total drafting rate is controlled to be 3 to 3.5, wherein the level-1 drafting rate is 2.8 to 3.0 at a temperature controlled to be 75 to 80? C., according to the method for preparing the PET/PTT parallel complex filament with high self-crimpiness, methods like multi-level drafting for increasing the drafting rate are adopted, and the effects of improving the fiber strength, moderately lowering the breaking elongation, and greatly improving the self-crimpiness are achieved.

NONWOVEN RECYCLABLE FABRIC AND ASSOCIATED METHODS

A nonwoven recyclable fabric and associated methods are provided. The fabric is formed from 100% polyester, and may also include surface coatings such as hydrophilic coatings to promote heat transfer as well moisture vapor transmission rates and/or a silicone coating to promote fabric smoothness and reduce abrasiveness of the fabric.

Multifilament and braid

It is provided that a multifilament and a braid that are capable of being processed into products in a wide range of temperature and are excellent in dimensional stability and abrasion resistance. A multifilament comprising 5 or more monofilaments, wherein the multifilament contains polyethylene having an intrinsic viscosity [] of 5.0 dL/g or more and 40.0 dL/g or less and substantially including ethylene as a repeating unit, and wherein a difference between a maximum value and a minimum value in a ratio of a diffraction peak intensity of orthorhombic crystal (200) plane to a diffraction peak intensity of orthorhombic crystal (110) plane in a monofilament cross section is 0.22 or less.

LOAD PLAN GENERATION

Load Plan Generator (LPG) is a BIAPPS utility for generating ODI load plans based on desired subset of fact tables for loading BIAPPS Data Warehouse. The tool simplifies the configurations process by minimizing the manual steps and configurations and provides a guided list of configurations steps and checklists. The load plan components can include different sets of load plans that will be stitched together by the load plan generator to create one load plan for loading chosen fact groups in the warehouse sourcing from different transaction systems.

APPARATUS FOR MANUFACTURING NON-WOVEN FABRIC AND METHOD OF MANUFACTURING NON-WOVEN FABRIC

Apparatus for manufacturing a non-woven fabric includes a diffusing shaft, which includes a first shaft portion in a defined location and provided with a slit-shaped air guide, wherein filaments are supplied together with air from an inlet side of the air guide to an outlet side of the air guide; a second shaft portion in a defined location, having an inlet side that is communicated with an outlet side of the first shaft portion and an outlet side that is disposed to face a filament collecting unit, wherein an opening width along a machine direction of the inlet side of the second shaft portion is larger than an opening width along a machine direction of the first shaft portion; and a stepped portion provided at a connecting portion between the outlet side of the first shaft portion and the inlet side of the second shaft portion and connecting the same.