Thermally bonded fiber

Description

/ 2 DESCRIPTIVE REPORT ON THERMALLY BONDED FIBER

[001] The present invention relates to a thermal insulation fiber that is thermally bonded to itself and to polyester films, more specifically this invention comprises thermally bonded polymeric microfibers with different thicknesses on an aluminized polyester film resulting in an aluminized fiber.

[002] In the state of the art there is patent PI9917032-9 in the public domain, which reports melt-processed polymeric microfibers and a process for preparing a microfibrillated article, which are provided by imparting fluid energy to a surface of a highly crystalline melt-processed polymeric film.

[003] A patent MU202012022859-4 in the public domain describes a constructive arrangement applied to a thermoacoustic blanket made of composite polypropylene and aluminized laminated film. The production unit uses a polypropylene extruder to produce the composite fiber insulation blanket on a conveyor belt and laminated film arranged in a metal cylinder, both unified by a metal cylinder, a heating bar with resistors, a compaction cylinder at the end that sucks the polypropylene fibers onto the conveyor belt and burr cutting blades for the blanket, arranged laterally on an intermediate conveyor belt.

[004] This invention comprises polymeric microfibers composed of extruded polyester, thermally bonded together, of different thicknesses from 0.03 microns to 100 millimeters, bonded by fusion and gravitational force to an aluminized polyester film, which can also be of a thickness from 0.1 microns to 1 millimeter, resulting in aluminization on one or both sides of the fiber. Petition 870250071175, dated 08 / 13 / 2025, page 7 / 32 / 2

[005] The joining of smooth or grooved polyester fiber with the aluminized film is done by heating microfiber and aluminum rollers at a specific temperature to compress them together, forming a single piece aluminized on one or both sides.

[006] One advantage of this junction is the creation of a space between the fibers, where the flow of oxygen circulates, absorbing the sound waves between the fibers, called a sound barrier, thus increasing performance.

[007] Another advantage of using polyester fibers is the formation of a barrier against solar radiation, known as a thermal barrier.

[008] Another advantage is the fact that the polyester fiber component has a longer service life than other polymers used in the state of the art, and after compression with the aluminum foil it can return to its original thickness reinforced by the aluminum foil.

[009] For a better understanding and comprehension of the present invention, the attached figures are presented below, defined as follows: Figure (1) rear view. Figure (2) front view. Figure (3) seen in perspective. Figure (4) bottom view. Figure (5) top view. The figure (6) on the left side. The figure (7) right side. Petition 870250071175, dated 08 / 13 / 2025, page 8 / 32

Claims

CLAIMS THERMALLY BONDED FIBER 1. ARRANGEMENT INTRODUCED IN THERMAL INSULATION FIBER characterized by polymeric microfibers composed of extruded polyester thermally bonded together with different thicknesses from 0.01 microns to 1 millimeter bonded by fusion and gravitational force to an aluminized polyester film which may also be of a thickness from 0.3 microns to 100 millimeters, resulting in aluminization on one or both sides of the fiber.

2. ARRANGEMENT INTRODUCED IN THERMAL INSULATION FIBER characterized by a junction of smooth or grooved polyester fiber with aluminized film by means of heating microfiber and aluminum rollers at a specific temperature for compression between them, forming a single piece aluminized on one or both sides. Petition 870250071175, dated 08 / 13 / 2025, page 9 / 32

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