Anti-Static Fleece, Brushed Fabric and Composite Yarn for Their Manufacture
a technology of brushed fabric and composite yarn, which is applied in the field of fabric and yarn, can solve the problems of difficult to achieve permanent static dissipation of brushed fabrics, and the extremely high surface area of brushed fabrics is especially prone to static buildup, so as to achieve the effect of minimising the impact of aesthetics
Inactive Publication Date: 2017-11-02
ASCEND PERFORMACE MATERIALS OPERATIONS LLC
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Benefits of technology
The invention provides an anti-static fleece or brushed fabric with minimal impact on its appearance and hand. The fabric contains a small amount of anti-static fiber which is masked by being mixed with other fibers or incorporated into a composite anti-static filamentary yarn. The anti-static properties of the fabric are excellent, with a static decay time of less than 4 seconds. The composite anti-static filamentary yarn comprises anti-static bicomponent filament wrapped with non-conductive filament. The anti-static fiber is maintaining its continuity even after the aggressive manufacturing process. The invention offers a solution for creating anti-static textile products with improved static control.
Problems solved by technology
Permanent static dissipation in fleece and brushed fabrics is difficult to achieve.
Without intending to be bound by any theory, it is believed the extremely high surface area of fleece and brushed fabrics is especially prone to static buildup through tribological interaction with adjacent surfaces.
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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[0082]A polyester cotton intimate blended yarn (49.5% / 49.5% / 1% No-Shock® staple) with 1.5 inch staple length is used to create a circular knit fabric which generates the back of a fleece garment. A pile is created through brushing or sueding. The No-Shock® staple portion of the fiber may be a 3 surface stripe product. The resulting fabric provides a resistance rating of 107 ohms per square and eliminates nuisance static that builds up in normal use by a child wearer. With lack of nuisance static build up, the garment prevents nuisance shock as well as dust build up under industry standard conditions (low humidity environment).
[0083]Brushed or suede polycotton knitted fabric can be used to produce onesies for infant wear. This is one application for the inventive fleece garment.
[0084]A non-exhaustive list of products currently available which are next-to-skin fleece but do not have permanent antistatic properties include those found for sale by online retailers as follows. In general...
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Abstract
An anti-static fleece or brushed fabric consisting essentially of acrylic fiber, polyester fiber, cotton fiber, wool fiber, nylon fiber or combinations of 2 or more thereof, characterized in that the fleece or brushed fabric has a basis weight of from 65 gsm to 400 gsm, contains from 0.1 wt % to 2 wt % of bicomponent anti-static fiber and is further characterized in that the fleece or brushed fabric exhibits a static decay time of less than 4 seconds The woven or knit fleece or brushed fabric has permanent anti-static properties which do not wash out during laundering. A preferred yarn for making the fleece or brushed fabric is a composite anti-static filamentary yarn comprising anti-static bicomponent filament wrapped with non-conductive filament in a weight ratio of non-conductive filament:anti-static bicomponent filament of from 2:1 to 8:1.
Description
CROSS REFERENCE TO RELATED APPLICATIONS[0001]This is a non-provisional patent application based on co-pending U.S. Provisional Patent Application Ser. No. 62 / 328,770 (Attorney Docket No. APM 15-7 / 27620) titled “Antistatic Fleece for Apparel”, filed on Apr. 28, 2016, the priority of which is hereby claimed and the disclosure of which is incorporated herein by reference in its entirety.FIELD OF THE INVENTION[0002]The present invention is directed to fabrics and yarns which have permanent antistatic (dissipative) properties when made into fleece or brushed fabrics. Garments made with the fleece or brushed fabric are suitable for children and adult next-to-skin wear.BACKGROUND OF THE INVENTION[0003]It is an object of the present invention to produce a synthetic based, or combination of synthetic and natural fiber, apparel weight, fleece or brushed fabric with permanent antistatic properties. Knitted fleece and brushed fabrics such as flannel, brushed polyester / cotton fabrics, brushed de...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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IPC IPC(8): D02G3/44D03D15/00
CPCD03D15/0005D02G3/441D01F1/09D01F8/04D04B1/16D10B2401/16D10B2403/0111D03D15/533
Inventor SCHOOTS, HARRIE P.UZUNPINAR, CIHANLOWERY, GREGG T.
Owner ASCEND PERFORMACE MATERIALS OPERATIONS LLC